diff --git a/Makedefs.in b/Makedefs.in
index 07010f0656..a2342d5c0b 100644
--- a/Makedefs.in
+++ b/Makedefs.in
@@ -1,7 +1,7 @@
 #
 # Common makefile definitions for CUPS.
 #
-# Copyright © 2021 by OpenPrinting.
+# Copyright © 2020-2024 by OpenPrinting.
 # Copyright © 2007-2019 by Apple Inc.
 # Copyright © 1997-2007 by Easy Software Products, all rights reserved.
 #
diff --git a/backend/Makefile b/backend/Makefile
index 9153c87ae1..cd5f447930 100644
--- a/backend/Makefile
+++ b/backend/Makefile
@@ -1,7 +1,7 @@
 #
 # Backend makefile for CUPS.
 #
-# Copyright © 2021-2023 by OpenPrinting.
+# Copyright © 2020-2024 by OpenPrinting.
 # Copyright © 2007-2019 by Apple Inc.
 # Copyright © 1997-2007 by Easy Software Products, all rights reserved.
 #
diff --git a/backend/dnssd.c b/backend/dnssd.c
index 14a6772fb7..be24e0ae34 100644
--- a/backend/dnssd.c
+++ b/backend/dnssd.c
@@ -1,7 +1,7 @@
 /*
  * DNS-SD discovery backend for CUPS.
  *
- * Copyright © 2021-2023 by OpenPrinting.
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2008-2018 by Apple Inc.
  *
  * Licensed under Apache License v2.0.  See the file "LICENSE" for more
diff --git a/backend/ieee1284.c b/backend/ieee1284.c
index 5ecf8a8347..7e44319523 100644
--- a/backend/ieee1284.c
+++ b/backend/ieee1284.c
@@ -1,6 +1,7 @@
 /*
  * IEEE-1284 support functions for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2007-2015 by Apple Inc.
  * Copyright © 1997-2007 by Easy Software Products, all rights reserved.
  *
diff --git a/backend/lpd.c b/backend/lpd.c
index 2089b537df..989986b72b 100644
--- a/backend/lpd.c
+++ b/backend/lpd.c
@@ -1,6 +1,7 @@
 /*
  * Line Printer Daemon backend for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2007-2019 by Apple Inc.
  * Copyright © 1997-2007 by Easy Software Products, all rights reserved.
  *
diff --git a/backend/network.c b/backend/network.c
index f7ee2fbbe3..064975b653 100644
--- a/backend/network.c
+++ b/backend/network.c
@@ -1,6 +1,7 @@
 /*
  * Common backend network APIs for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2007-2016 by Apple Inc.
  * Copyright © 2006-2007 by Easy Software Products, all rights reserved.
  *
diff --git a/backend/pseudo b/backend/pseudo
index e1598b0839..7e8094a5d9 100644
--- a/backend/pseudo
+++ b/backend/pseudo
@@ -2,7 +2,7 @@
 #
 # Psuedo-backend for CUPS testing purposes.
 #
-# Copyright © 2022-2023 by OpenPrinting.
+# Copyright © 2020-2024 by OpenPrinting.
 # Copyright © 2011 by Apple Inc.
 #
 # Licensed under Apache License v2.0.  See the file "LICENSE" for more
diff --git a/backend/runloop.c b/backend/runloop.c
index 418ab25bab..e61ba966bc 100644
--- a/backend/runloop.c
+++ b/backend/runloop.c
@@ -1,6 +1,7 @@
 /*
  * Common run loop APIs for CUPS backends.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2007-2014 by Apple Inc.
  * Copyright © 2006-2007 by Easy Software Products, all rights reserved.
  *
diff --git a/backend/snmp-supplies.c b/backend/snmp-supplies.c
index 687e7ae358..41bee50ef6 100644
--- a/backend/snmp-supplies.c
+++ b/backend/snmp-supplies.c
@@ -1,6 +1,7 @@
 /*
  * SNMP supplies functions for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2008-2015 by Apple Inc.
  *
  * Licensed under Apache License v2.0.  See the file "LICENSE" for more
diff --git a/backend/snmp.c b/backend/snmp.c
index 17a29f8eeb..a2fddee462 100644
--- a/backend/snmp.c
+++ b/backend/snmp.c
@@ -1,7 +1,7 @@
 /*
  * SNMP discovery backend for CUPS.
  *
- * Copyright © 2021-2023 by OpenPrinting.
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2007-2014 by Apple Inc.
  * Copyright © 2006-2007 by Easy Software Products, all rights reserved.
  *
diff --git a/backend/socket.c b/backend/socket.c
index 05ee1925c0..3e63248987 100644
--- a/backend/socket.c
+++ b/backend/socket.c
@@ -1,6 +1,7 @@
 /*
  * AppSocket backend for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2007-2018 by Apple Inc.
  * Copyright © 1997-2007 by Easy Software Products, all rights reserved.
  *
diff --git a/backend/test1284.c b/backend/test1284.c
index 2da1086500..2d58450eae 100644
--- a/backend/test1284.c
+++ b/backend/test1284.c
@@ -1,6 +1,7 @@
 /*
  * IEEE-1284 support functions test program for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2007-2010 by Apple Inc.
  * Copyright © 1997-2006 by Easy Software Products, all rights reserved.
  *
diff --git a/backend/testbackend.c b/backend/testbackend.c
index 2d2b719d9a..fa630e9699 100644
--- a/backend/testbackend.c
+++ b/backend/testbackend.c
@@ -1,6 +1,7 @@
 /*
  * Backend test program for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2007-2014 by Apple Inc.
  * Copyright © 1997-2005 by Easy Software Products, all rights reserved.
  *
diff --git a/backend/testsupplies.c b/backend/testsupplies.c
index 5643ea6d7e..105dce0993 100644
--- a/backend/testsupplies.c
+++ b/backend/testsupplies.c
@@ -1,6 +1,7 @@
 /*
  * SNMP supplies test program for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2008-2011 by Apple Inc.
  *
  * Licensed under Apache License v2.0.  See the file "LICENSE" for more
diff --git a/backend/usb-darwin.c b/backend/usb-darwin.c
index eb2abd40c9..5c6c15c792 100644
--- a/backend/usb-darwin.c
+++ b/backend/usb-darwin.c
@@ -1,6 +1,7 @@
 /*
  * USB backend for macOS.
  *
+ * Copyright © 2022-2024 by OpenPrinting.
  * Copyright © 2005-2021 Apple Inc. All rights reserved.
  *
  * IMPORTANT:  This Apple software is supplied to you by Apple Computer,
diff --git a/backend/usb-libusb.c b/backend/usb-libusb.c
index 281102fee8..a621175be8 100644
--- a/backend/usb-libusb.c
+++ b/backend/usb-libusb.c
@@ -1,7 +1,7 @@
 /*
  * LIBUSB interface code for CUPS.
  *
- * Copyright © 2021 by OpenPrinting.
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2007-2019 by Apple Inc.
  *
  * Licensed under Apache License v2.0.  See the file "LICENSE" for more
diff --git a/backend/usb-unix.c b/backend/usb-unix.c
index d256a813ba..c2cfce2667 100644
--- a/backend/usb-unix.c
+++ b/backend/usb-unix.c
@@ -3,6 +3,7 @@
  *
  * This file is included from "usb.c" when compiled on UNIX/Linux.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2007-2013 by Apple Inc.
  * Copyright © 1997-2007 by Easy Software Products, all rights reserved.
  *
diff --git a/backend/usb.c b/backend/usb.c
index a78bb3ee51..04c620230c 100644
--- a/backend/usb.c
+++ b/backend/usb.c
@@ -1,6 +1,7 @@
 /*
  * USB printer backend for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2007-2012 by Apple Inc.
  * Copyright © 1997-2007 by Easy Software Products, all rights reserved.
  *
diff --git a/berkeley/Makefile b/berkeley/Makefile
index 9415b76dad..848d683e9d 100644
--- a/berkeley/Makefile
+++ b/berkeley/Makefile
@@ -1,6 +1,7 @@
 #
 # Berkeley commands makefile for CUPS.
 #
+# Copyright © 2020-2024 by OpenPrinting.
 # Copyright 2007-2019 by Apple Inc.
 # Copyright 1997-2006 by Easy Software Products, all rights reserved.
 #
diff --git a/berkeley/lpc.c b/berkeley/lpc.c
index 7af10354fc..daf0ebf652 100644
--- a/berkeley/lpc.c
+++ b/berkeley/lpc.c
@@ -1,6 +1,7 @@
 /*
  * "lpc" command for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright 2007-2014 by Apple Inc.
  * Copyright 1997-2006 by Easy Software Products.
  *
diff --git a/berkeley/lpq.c b/berkeley/lpq.c
index 6592d31089..170ca6c177 100644
--- a/berkeley/lpq.c
+++ b/berkeley/lpq.c
@@ -1,7 +1,7 @@
 /*
  * "lpq" command for CUPS.
  *
- * Copyright © 2021-2023 by OpenPrinting.
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2007-2018 by Apple Inc.
  * Copyright © 1997-2006 by Easy Software Products.
  *
diff --git a/berkeley/lpr.c b/berkeley/lpr.c
index 85fa079c52..e2b85a2811 100644
--- a/berkeley/lpr.c
+++ b/berkeley/lpr.c
@@ -1,7 +1,7 @@
 /*
  * "lpr" command for CUPS.
  *
- * Copyright © 2021-2023 by OpenPrinting.
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2007-2019 by Apple Inc.
  * Copyright © 1997-2007 by Easy Software Products.
  *
diff --git a/berkeley/lprm.c b/berkeley/lprm.c
index 83618bf27f..8aa2f00a31 100644
--- a/berkeley/lprm.c
+++ b/berkeley/lprm.c
@@ -1,7 +1,7 @@
 /*
  * "lprm" command for CUPS.
  *
- * Copyright © 2021-2023 by OpenPrinting.
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2007-2018 by Apple Inc.
  * Copyright © 1997-2006 by Easy Software Products.
  *
diff --git a/cgi-bin/Makefile b/cgi-bin/Makefile
index 9053f30572..4256d8f2d3 100644
--- a/cgi-bin/Makefile
+++ b/cgi-bin/Makefile
@@ -1,7 +1,7 @@
 #
 # CGI makefile for CUPS.
 #
-# Copyright © 2022-2023 by OpenPrinting.
+# Copyright © 2020-2024 by OpenPrinting.
 # Copyright © 2007-2019 by Apple Inc.
 # Copyright © 1997-2006 by Easy Software Products.
 #
diff --git a/cgi-bin/cgi-private.h b/cgi-bin/cgi-private.h
index 5d14d8188a..23c3651bd5 100644
--- a/cgi-bin/cgi-private.h
+++ b/cgi-bin/cgi-private.h
@@ -1,6 +1,7 @@
 /*
  * Private CGI definitions for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright 2007-2011 by Apple Inc.
  * Copyright 1997-2006 by Easy Software Products.
  *
diff --git a/cgi-bin/cgi.h b/cgi-bin/cgi.h
index 11acb224d2..2b7497a7de 100644
--- a/cgi-bin/cgi.h
+++ b/cgi-bin/cgi.h
@@ -1,6 +1,7 @@
 /*
  * CGI support library definitions for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2007-2019 by Apple Inc.
  * Copyright © 1997-2006 by Easy Software Products.
  *
diff --git a/cgi-bin/classes.c b/cgi-bin/classes.c
index 718604ab2b..2c54825dda 100644
--- a/cgi-bin/classes.c
+++ b/cgi-bin/classes.c
@@ -1,6 +1,7 @@
 /*
  * Class status CGI for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright 2007-2016 by Apple Inc.
  * Copyright 1997-2006 by Easy Software Products.
  *
diff --git a/cgi-bin/help-index.c b/cgi-bin/help-index.c
index 4a10235f33..1508cbcde9 100644
--- a/cgi-bin/help-index.c
+++ b/cgi-bin/help-index.c
@@ -1,6 +1,7 @@
 /*
  * Online help index routines for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2007-2019 by Apple Inc.
  * Copyright © 1997-2007 by Easy Software Products.
  *
diff --git a/cgi-bin/help-index.h b/cgi-bin/help-index.h
index c486fba05a..c6486f0152 100644
--- a/cgi-bin/help-index.h
+++ b/cgi-bin/help-index.h
@@ -1,6 +1,7 @@
 /*
  * Online help index definitions for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright 2007-2011 by Apple Inc.
  * Copyright 1997-2007 by Easy Software Products.
  *
diff --git a/cgi-bin/help.c b/cgi-bin/help.c
index faa1993d6f..b4342145a7 100644
--- a/cgi-bin/help.c
+++ b/cgi-bin/help.c
@@ -1,6 +1,7 @@
 /*
  * Online help CGI for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright 2007-2011 by Apple Inc.
  * Copyright 1997-2006 by Easy Software Products.
  *
diff --git a/cgi-bin/html.c b/cgi-bin/html.c
index 4c9d82276b..97490bf19c 100644
--- a/cgi-bin/html.c
+++ b/cgi-bin/html.c
@@ -1,6 +1,7 @@
 /*
  * HTML support functions for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright 2007-2011 by Apple Inc.
  * Copyright 1997-2006 by Easy Software Products.
  *
diff --git a/cgi-bin/ipp-var.c b/cgi-bin/ipp-var.c
index 939675e064..317dbfc37b 100644
--- a/cgi-bin/ipp-var.c
+++ b/cgi-bin/ipp-var.c
@@ -1,6 +1,7 @@
 /*
  * CGI <-> IPP variable routines for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright 2007-2016 by Apple Inc.
  * Copyright 1997-2007 by Easy Software Products.
  *
diff --git a/cgi-bin/jobs.c b/cgi-bin/jobs.c
index d6da74444a..36976457a7 100644
--- a/cgi-bin/jobs.c
+++ b/cgi-bin/jobs.c
@@ -1,6 +1,7 @@
 /*
  * Job status CGI for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright 2007-2014 by Apple Inc.
  * Copyright 1997-2006 by Easy Software Products.
  *
diff --git a/cgi-bin/printers.c b/cgi-bin/printers.c
index 2a33b6832d..cf0dd66072 100644
--- a/cgi-bin/printers.c
+++ b/cgi-bin/printers.c
@@ -1,6 +1,7 @@
 /*
  * Printer status CGI for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright 2007-2016 by Apple Inc.
  * Copyright 1997-2006 by Easy Software Products.
  *
diff --git a/cgi-bin/search.c b/cgi-bin/search.c
index 8dc5b32d5c..f9411c19f3 100644
--- a/cgi-bin/search.c
+++ b/cgi-bin/search.c
@@ -1,6 +1,7 @@
 /*
  * Search routines for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright 2007-2018 by Apple Inc.
  * Copyright 1997-2006 by Easy Software Products.
  *
diff --git a/cgi-bin/template.c b/cgi-bin/template.c
index 33d738e9c9..896b6bce28 100644
--- a/cgi-bin/template.c
+++ b/cgi-bin/template.c
@@ -1,6 +1,7 @@
 /*
  * CGI template function.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright 2007-2015 by Apple Inc.
  * Copyright 1997-2006 by Easy Software Products.
  *
diff --git a/cgi-bin/testcgi.c b/cgi-bin/testcgi.c
index a2276f42ea..ed636b5d17 100644
--- a/cgi-bin/testcgi.c
+++ b/cgi-bin/testcgi.c
@@ -1,6 +1,7 @@
 /*
  * CGI test program for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright 2007-2014 by Apple Inc.
  * Copyright 1997-2005 by Easy Software Products.
  *
diff --git a/cgi-bin/testhi.c b/cgi-bin/testhi.c
index dec6bdf765..26f867a976 100644
--- a/cgi-bin/testhi.c
+++ b/cgi-bin/testhi.c
@@ -1,6 +1,7 @@
 /*
  * Help index test program for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright 2007-2017 by Apple Inc.
  * Copyright 1997-2007 by Easy Software Products.
  *
diff --git a/cgi-bin/testtemplate.c b/cgi-bin/testtemplate.c
index 930bd6cac2..7f9ba78e8d 100644
--- a/cgi-bin/testtemplate.c
+++ b/cgi-bin/testtemplate.c
@@ -1,6 +1,7 @@
 /*
  * CGI template test program for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright 2007-2011 by Apple Inc.
  * Copyright 2006 by Easy Software Products.
  *
diff --git a/cgi-bin/var.c b/cgi-bin/var.c
index ed7a98e85e..e4280c646e 100644
--- a/cgi-bin/var.c
+++ b/cgi-bin/var.c
@@ -1,6 +1,7 @@
 /*
  * CGI form variable and array functions for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2007-2019 by Apple Inc.
  * Copyright © 1997-2005 by Easy Software Products.
  *
diff --git a/conf/Makefile b/conf/Makefile
index e249e60692..62aa0c6fd2 100644
--- a/conf/Makefile
+++ b/conf/Makefile
@@ -1,6 +1,7 @@
 #
 # Configuration file makefile for CUPS.
 #
+# Copyright © 2020-2024 by OpenPrinting.
 # Copyright 2007-2015 by Apple Inc.
 # Copyright 1993-2006 by Easy Software Products.
 #
diff --git a/conf/mime.convs.in b/conf/mime.convs.in
index 57b459d732..91f36e0f6f 100644
--- a/conf/mime.convs.in
+++ b/conf/mime.convs.in
@@ -5,6 +5,7 @@
 #
 # Base MIME conversions file for CUPS.
 #
+# Copyright © 2020-2024 by OpenPrinting.
 # Copyright © 2007-2016 by Apple Inc.
 # Copyright © 1997-2007 by Easy Software Products.
 #
diff --git a/conf/mime.types b/conf/mime.types
index fcd6b6effe..c8603b02ed 100644
--- a/conf/mime.types
+++ b/conf/mime.types
@@ -5,6 +5,7 @@
 # VERSIONS OF CUPS.  Instead, create a "local.types" file that
 # reflects your local configuration changes.
 #
+# Copyright © 2020-2024 by OpenPrinting.
 # Copyright © 2007-2017 by Apple Inc.
 # Copyright © 1997-2007 by Easy Software Products.
 #
diff --git a/config-scripts/cups-common.m4 b/config-scripts/cups-common.m4
index b28f676126..613f01ddf5 100644
--- a/config-scripts/cups-common.m4
+++ b/config-scripts/cups-common.m4
@@ -1,7 +1,7 @@
 dnl
 dnl Common configuration stuff for CUPS.
 dnl
-dnl Copyright © 2021-2023 by OpenPrinting.
+dnl Copyright © 2020-2024 by OpenPrinting.
 dnl Copyright © 2007-2019 by Apple Inc.
 dnl Copyright © 1997-2007 by Easy Software Products, all rights reserved.
 dnl
diff --git a/config-scripts/cups-compiler.m4 b/config-scripts/cups-compiler.m4
index 33d444e743..ecb7b2d350 100644
--- a/config-scripts/cups-compiler.m4
+++ b/config-scripts/cups-compiler.m4
@@ -1,7 +1,7 @@
 dnl
 dnl Compiler tests for CUPS.
 dnl
-dnl Copyright © 2021-2023 by OpenPrinting.
+dnl Copyright © 2020-2024 by OpenPrinting.
 dnl Copyright © 2007-2018 by Apple Inc.
 dnl Copyright © 1997-2007 by Easy Software Products, all rights reserved.
 dnl
diff --git a/config-scripts/cups-defaults.m4 b/config-scripts/cups-defaults.m4
index 04a9f533f3..27e5bc4727 100644
--- a/config-scripts/cups-defaults.m4
+++ b/config-scripts/cups-defaults.m4
@@ -1,7 +1,7 @@
 dnl
 dnl Default cupsd configuration settings for CUPS.
 dnl
-dnl Copyright © 2021-2023 by OpenPrinting.
+dnl Copyright © 2020-2024 by OpenPrinting.
 dnl Copyright © 2007-2018 by Apple Inc.
 dnl Copyright © 2006-2007 by Easy Software Products, all rights reserved.
 dnl
diff --git a/config-scripts/cups-directories.m4 b/config-scripts/cups-directories.m4
index 407d053160..069ee7bab1 100644
--- a/config-scripts/cups-directories.m4
+++ b/config-scripts/cups-directories.m4
@@ -1,7 +1,7 @@
 dnl
 dnl Directory stuff for CUPS.
 dnl
-dnl Copyright © 2021-2023 by OpenPrinting.
+dnl Copyright © 2020-2024 by OpenPrinting.
 dnl Copyright © 2007-2017 by Apple Inc.
 dnl Copyright © 1997-2007 by Easy Software Products, all rights reserved.
 dnl
diff --git a/config-scripts/cups-dnssd.m4 b/config-scripts/cups-dnssd.m4
index 0ae7225375..d42198cac0 100644
--- a/config-scripts/cups-dnssd.m4
+++ b/config-scripts/cups-dnssd.m4
@@ -1,7 +1,7 @@
 dnl
 dnl DNS Service Discovery (aka Bonjour) stuff for CUPS.
 dnl
-dnl Copyright © 2021-2023 by OpenPrinting.
+dnl Copyright © 2020-2024 by OpenPrinting.
 dnl Copyright © 2007-2019 by Apple Inc.
 dnl
 dnl Licensed under Apache License v2.0.  See the file "LICENSE" for more
diff --git a/config-scripts/cups-gssapi.m4 b/config-scripts/cups-gssapi.m4
index e90b6a8641..0e78025a54 100644
--- a/config-scripts/cups-gssapi.m4
+++ b/config-scripts/cups-gssapi.m4
@@ -1,7 +1,7 @@
 dnl
 dnl GSSAPI/Kerberos library detection for CUPS.
 dnl
-dnl Copyright © 2021-2023 by OpenPrinting.
+dnl Copyright © 2020-2024 by OpenPrinting.
 dnl Copyright @ 2007-2017 by Apple Inc.
 dnl Copyright @ 2006-2007 by Easy Software Products.
 dnl
diff --git a/config-scripts/cups-largefile.m4 b/config-scripts/cups-largefile.m4
index 4bf0ec1f8e..1537b058a8 100644
--- a/config-scripts/cups-largefile.m4
+++ b/config-scripts/cups-largefile.m4
@@ -1,7 +1,7 @@
 dnl
 dnl Large file support stuff for CUPS.
 dnl
-dnl Copyright © 2021 by OpenPrinting.
+dnl Copyright © 2020-2024 by OpenPrinting.
 dnl Copyright © 2007-2011 by Apple Inc.
 dnl Copyright © 1997-2005 by Easy Software Products, all rights reserved.
 dnl
diff --git a/config-scripts/cups-libtool.m4 b/config-scripts/cups-libtool.m4
index c9b9fafb7f..aa93784248 100644
--- a/config-scripts/cups-libtool.m4
+++ b/config-scripts/cups-libtool.m4
@@ -1,7 +1,7 @@
 dnl
 dnl GNU libtool stuff for CUPS.
 dnl
-dnl Copyright © 2021-2023 by OpenPrinting.
+dnl Copyright © 2020-2024 by OpenPrinting.
 dnl Copyright © 2007-2018 by Apple Inc.
 dnl Copyright © 1997-2005 by Easy Software Products, all rights reserved.
 dnl
diff --git a/config-scripts/cups-manpages.m4 b/config-scripts/cups-manpages.m4
index 04c3853dcb..bd169a2786 100644
--- a/config-scripts/cups-manpages.m4
+++ b/config-scripts/cups-manpages.m4
@@ -1,7 +1,7 @@
 dnl
 dnl Manpage stuff for CUPS.
 dnl
-dnl Copyright © 2021-2023 by OpenPrinting.
+dnl Copyright © 2020-2024 by OpenPrinting.
 dnl Copyright © 2007-2019 by Apple Inc.
 dnl Copyright © 1997-2006 by Easy Software Products, all rights reserved.
 dnl
diff --git a/config-scripts/cups-network.m4 b/config-scripts/cups-network.m4
index 6cbffa400b..57790a7405 100644
--- a/config-scripts/cups-network.m4
+++ b/config-scripts/cups-network.m4
@@ -1,7 +1,7 @@
 dnl
 dnl Networking stuff for CUPS.
 dnl
-dnl Copyright © 2021 by OpenPrinting.
+dnl Copyright © 2020-2024 by OpenPrinting.
 dnl Copyright © 2007-2016 by Apple Inc.
 dnl Copyright © 1997-2005 by Easy Software Products, all rights reserved.
 dnl
diff --git a/config-scripts/cups-opsys.m4 b/config-scripts/cups-opsys.m4
index 04f742ca79..7f4259bea7 100644
--- a/config-scripts/cups-opsys.m4
+++ b/config-scripts/cups-opsys.m4
@@ -1,7 +1,7 @@
 dnl
 dnl Operating system stuff for CUPS.
 dnl
-dnl Copyright © 2021-2023 by OpenPrinting.
+dnl Copyright © 2020-2024 by OpenPrinting.
 dnl Copyright © 2007-2019 by Apple Inc.
 dnl Copyright © 1997-2006 by Easy Software Products, all rights reserved.
 dnl
diff --git a/config-scripts/cups-pam.m4 b/config-scripts/cups-pam.m4
index 5663c1f9eb..cf983b0311 100644
--- a/config-scripts/cups-pam.m4
+++ b/config-scripts/cups-pam.m4
@@ -1,7 +1,7 @@
 dnl
 dnl PAM stuff for CUPS.
 dnl
-dnl Copyright © 2021 by OpenPrinting.
+dnl Copyright © 2020-2024 by OpenPrinting.
 dnl Copyright © 2007-2017 by Apple Inc.
 dnl Copyright © 1997-2005 by Easy Software Products, all rights reserved.
 dnl
diff --git a/config-scripts/cups-sharedlibs.m4 b/config-scripts/cups-sharedlibs.m4
index 0fc90edb63..d4fb939b27 100644
--- a/config-scripts/cups-sharedlibs.m4
+++ b/config-scripts/cups-sharedlibs.m4
@@ -1,7 +1,7 @@
 dnl
 dnl Shared library support for CUPS.
 dnl
-dnl Copyright © 2021-2023 by OpenPrinting.
+dnl Copyright © 2020-2024 by OpenPrinting.
 dnl Copyright © 2007-2018 by Apple Inc.
 dnl Copyright © 1997-2005 by Easy Software Products, all rights reserved.
 dnl
diff --git a/config-scripts/cups-startup.m4 b/config-scripts/cups-startup.m4
index fb08286ac0..6d06a5a60b 100644
--- a/config-scripts/cups-startup.m4
+++ b/config-scripts/cups-startup.m4
@@ -1,7 +1,7 @@
 dnl
 dnl Launch-on-demand/startup stuff for CUPS.
 dnl
-dnl Copyright © 2021 by OpenPrinting.
+dnl Copyright © 2020-2024 by OpenPrinting.
 dnl Copyright © 2007-2017 by Apple Inc.
 dnl Copyright © 1997-2005 by Easy Software Products, all rights reserved.
 dnl
diff --git a/config-scripts/cups-threads.m4 b/config-scripts/cups-threads.m4
index 0bee39b871..9ee993fd16 100644
--- a/config-scripts/cups-threads.m4
+++ b/config-scripts/cups-threads.m4
@@ -1,7 +1,7 @@
 dnl
 dnl Threading stuff for CUPS.
 dnl
-dnl Copyright © 2021 by OpenPrinting.
+dnl Copyright © 2020-2024 by OpenPrinting.
 dnl Copyright © 2007-2017 by Apple Inc.
 dnl Copyright © 1997-2005 by Easy Software Products, all rights reserved.
 dnl
diff --git a/config-scripts/cups-tls.m4 b/config-scripts/cups-tls.m4
index 783eed886d..97c6fa2938 100644
--- a/config-scripts/cups-tls.m4
+++ b/config-scripts/cups-tls.m4
@@ -1,7 +1,7 @@
 dnl
 dnl TLS stuff for CUPS.
 dnl
-dnl Copyright © 2021-2023 by OpenPrinting.
+dnl Copyright © 2020-2024 by OpenPrinting.
 dnl Copyright © 2007-2019 by Apple Inc.
 dnl Copyright © 1997-2007 by Easy Software Products, all rights reserved.
 dnl
diff --git a/cups-config.in b/cups-config.in
index 1f49bb9368..5d850a667a 100755
--- a/cups-config.in
+++ b/cups-config.in
@@ -2,7 +2,7 @@
 #
 # CUPS configuration utility.
 #
-# Copyright © 2021-2023 by OpenPrinting.
+# Copyright © 2020-2024 by OpenPrinting.
 # Copyright © 2007-2019 by Apple Inc.
 # Copyright © 2001-2006 by Easy Software Products, all rights reserved.
 #
diff --git a/cups.pc.in b/cups.pc.in
index eed8099168..9781b8b326 100644
--- a/cups.pc.in
+++ b/cups.pc.in
@@ -1,7 +1,7 @@
 #
 # CUPS pkg-config file
 #
-# Copyright © 2021-2023 by OpenPrinting.
+# Copyright © 2020-2024 by OpenPrinting.
 #
 # Licensed under Apache License v2.0.  See the file "LICENSE" for more
 # information.
diff --git a/cups/Makefile b/cups/Makefile
index 10e4dc6315..1fa8557d7a 100644
--- a/cups/Makefile
+++ b/cups/Makefile
@@ -1,7 +1,7 @@
 #
 # Library Makefile for CUPS.
 #
-# Copyright © 2021-2023 by OpenPrinting.
+# Copyright © 2022-2024 by OpenPrinting.
 # Copyright © 2007-2021 by Apple Inc.
 # Copyright © 1997-2006 by Easy Software Products, all rights reserved.
 #
diff --git a/cups/adminutil.c b/cups/adminutil.c
index dadf5c438c..e3f1dee46d 100644
--- a/cups/adminutil.c
+++ b/cups/adminutil.c
@@ -1,7 +1,7 @@
 /*
  * Administration utility API definitions for CUPS.
  *
- * Copyright © 2021-2023 by OpenPrinting.
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2007-2019 by Apple Inc.
  * Copyright © 2001-2007 by Easy Software Products.
  *
diff --git a/cups/adminutil.h b/cups/adminutil.h
index c3c0dc3b56..4c68dc5359 100644
--- a/cups/adminutil.h
+++ b/cups/adminutil.h
@@ -1,6 +1,7 @@
 /*
  * Administration utility API definitions for CUPS.
  *
+ * Copyright 2020-2024 by OpenPrinting.
  * Copyright 2007-2016 by Apple Inc.
  * Copyright 2001-2007 by Easy Software Products.
  *
diff --git a/cups/api-admin.header b/cups/api-admin.header
index 73625c680f..8ef311dd25 100644
--- a/cups/api-admin.header
+++ b/cups/api-admin.header
@@ -1,6 +1,7 @@
 <!--
   Administrative API header for CUPS.
 
+  Copyright © 2020-2024 by OpenPrinting.
   Copyright © 2016 by Apple Inc.
 
   Licensed under Apache License v2.0.  See the file "LICENSE" for more
diff --git a/cups/api-admin.shtml b/cups/api-admin.shtml
index 3c1c1fa714..94d92f8fe7 100644
--- a/cups/api-admin.shtml
+++ b/cups/api-admin.shtml
@@ -1,6 +1,7 @@
 <!--
   Administrative API documentation for CUPS.
 
+  Copyright © 2020-2024 by OpenPrinting.
   Copyright © 2016 by Apple Inc.
 
   Licensed under Apache License v2.0.  See the file "LICENSE" for more
diff --git a/cups/api-filter.header b/cups/api-filter.header
index f64ef63abd..a6785b3397 100644
--- a/cups/api-filter.header
+++ b/cups/api-filter.header
@@ -1,6 +1,7 @@
 <!--
   Filter and backend programming header for CUPS.
 
+  Copyright © 2020-2024 by OpenPrinting.
   Copyright © 2008-2016 by Apple Inc.
 
   Licensed under Apache License v2.0.  See the file "LICENSE" for more
diff --git a/cups/api-filter.shtml b/cups/api-filter.shtml
index e7ab510146..e4ebc3fbb6 100644
--- a/cups/api-filter.shtml
+++ b/cups/api-filter.shtml
@@ -1,6 +1,7 @@
 <!--
   Filter and backend programming introduction for CUPS.
 
+  Copyright © 2020-2024 by OpenPrinting.
   Copyright © 2007-2016 by Apple Inc.
   Copyright © 1997-2006 by Easy Software Products, all rights reserved.
 
diff --git a/cups/api-ppd.header b/cups/api-ppd.header
index bc555e638f..602dc6300c 100644
--- a/cups/api-ppd.header
+++ b/cups/api-ppd.header
@@ -1,6 +1,7 @@
 <!--
   PPD API header for CUPS.
 
+  Copyright © 2020-2024 by OpenPrinting.
   Copyright © 2008-2019 by Apple Inc.
 
   Licensed under Apache License v2.0.  See the file "LICENSE" for more
diff --git a/cups/api-ppd.shtml b/cups/api-ppd.shtml
index d7a43f48fa..09167501d8 100644
--- a/cups/api-ppd.shtml
+++ b/cups/api-ppd.shtml
@@ -1,6 +1,7 @@
 <!--
   PPD API introduction for CUPS.
 
+  Copyright © 2020-2024 by OpenPrinting.
   Copyright © 2007-2019 by Apple Inc.
   Copyright © 1997-2006 by Easy Software Products, all rights reserved.
 
diff --git a/cups/api-raster.header b/cups/api-raster.header
index f5122d865f..d43eeb3f90 100644
--- a/cups/api-raster.header
+++ b/cups/api-raster.header
@@ -1,6 +1,7 @@
 <!--
   Raster API documentation for CUPS.
 
+  Copyright © 2020-2024 by OpenPrinting.
   Copyright © 2008-2019 by Apple Inc.
 
   Licensed under Apache License v2.0.  See the file "LICENSE" for more
diff --git a/cups/api-raster.shtml b/cups/api-raster.shtml
index 44a6037114..472b19210f 100644
--- a/cups/api-raster.shtml
+++ b/cups/api-raster.shtml
@@ -1,6 +1,7 @@
 <!--
   Raster API introduction for CUPS.
 
+  Copyright © 2020-2024 by OpenPrinting.
   Copyright © 2007-2019 by Apple Inc.
   Copyright © 1997-2006 by Easy Software Products, all rights reserved.
 
diff --git a/cups/array.c b/cups/array.c
index 41289a5c22..c9fbc1c50a 100644
--- a/cups/array.c
+++ b/cups/array.c
@@ -1,6 +1,7 @@
 /*
  * Sorted array routines for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright 2007-2014 by Apple Inc.
  * Copyright 1997-2007 by Easy Software Products.
  *
diff --git a/cups/array.h b/cups/array.h
index e5468a3020..ffa0a8283f 100644
--- a/cups/array.h
+++ b/cups/array.h
@@ -1,6 +1,7 @@
 /*
  * Sorted array definitions for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright 2007-2010 by Apple Inc.
  * Copyright 1997-2007 by Easy Software Products.
  *
diff --git a/cups/auth.c b/cups/auth.c
index dbcc0a8a8f..5cb419458f 100644
--- a/cups/auth.c
+++ b/cups/auth.c
@@ -1,7 +1,7 @@
 /*
  * Authentication functions for CUPS.
  *
- * Copyright © 2021 by OpenPrinting.
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2007-2019 by Apple Inc.
  * Copyright © 1997-2007 by Easy Software Products.
  *
diff --git a/cups/backchannel.c b/cups/backchannel.c
index 77ad60eab1..62d1cda102 100644
--- a/cups/backchannel.c
+++ b/cups/backchannel.c
@@ -1,6 +1,7 @@
 /*
  * Backchannel functions for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright 2007-2014 by Apple Inc.
  * Copyright 1997-2007 by Easy Software Products.
  *
diff --git a/cups/backend.c b/cups/backend.c
index 4f5099be50..152d15e707 100644
--- a/cups/backend.c
+++ b/cups/backend.c
@@ -1,6 +1,7 @@
 /*
  * Backend functions for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright 2007-2015 by Apple Inc.
  * Copyright 2006 by Easy Software Products.
  *
diff --git a/cups/backend.h b/cups/backend.h
index a8c5ec1258..8c2c652acb 100644
--- a/cups/backend.h
+++ b/cups/backend.h
@@ -1,6 +1,7 @@
 /*
  * Backend definitions for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright 2007-2011 by Apple Inc.
  * Copyright 1997-2005 by Easy Software Products.
  *
diff --git a/cups/cups-private.h b/cups/cups-private.h
index e8920208ae..4d4245bf05 100644
--- a/cups/cups-private.h
+++ b/cups/cups-private.h
@@ -1,7 +1,7 @@
 /*
  * Private definitions for CUPS.
  *
- * Copyright © 2021 by OpenPrinting.
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2007-2019 by Apple Inc.
  * Copyright © 1997-2007 by Easy Software Products, all rights reserved.
  *
diff --git a/cups/cups.h b/cups/cups.h
index f57f19eafc..d3753564f0 100644
--- a/cups/cups.h
+++ b/cups/cups.h
@@ -1,7 +1,7 @@
 /*
  * API definitions for CUPS.
  *
- * Copyright © 2021-2023 by OpenPrinting.
+ * Copyright © 2021-202 by OpenPrinting.
  * Copyright © 2007-2020 by Apple Inc.
  * Copyright © 1997-2007 by Easy Software Products.
  *
diff --git a/cups/cupspm.md b/cups/cupspm.md
index c55d2f124f..b8050d08f2 100644
--- a/cups/cupspm.md
+++ b/cups/cupspm.md
@@ -1,7 +1,7 @@
 ---
 title: CUPS Programming Manual
 author: Michael R Sweet
-copyright: Copyright © 2021-2023 by OpenPrinting. All Rights Reserved.
+copyright: Copyright © 2020-2024 by OpenPrinting. All Rights Reserved.
 version: 2.4.0
 ...
 
diff --git a/cups/debug-internal.h b/cups/debug-internal.h
index 2b57854e95..c9dad87c4b 100644
--- a/cups/debug-internal.h
+++ b/cups/debug-internal.h
@@ -1,6 +1,7 @@
 /*
  * Internal debugging macros for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2007-2018 by Apple Inc.
  * Copyright © 1997-2005 by Easy Software Products.
  *
diff --git a/cups/debug-private.h b/cups/debug-private.h
index fb84a2f74e..9139be7b79 100644
--- a/cups/debug-private.h
+++ b/cups/debug-private.h
@@ -1,6 +1,7 @@
 /*
  * Private debugging APIs for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2007-2018 by Apple Inc.
  * Copyright © 1997-2005 by Easy Software Products.
  *
diff --git a/cups/debug.c b/cups/debug.c
index 6b3914ed51..7101badec2 100644
--- a/cups/debug.c
+++ b/cups/debug.c
@@ -1,6 +1,7 @@
 /*
  * Debugging functions for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2008-2018 by Apple Inc.
  *
  * Licensed under Apache License v2.0.  See the file "LICENSE" for more
diff --git a/cups/dest-job.c b/cups/dest-job.c
index f4e5b335c6..631afa48fe 100644
--- a/cups/dest-job.c
+++ b/cups/dest-job.c
@@ -1,6 +1,7 @@
 /*
  * Destination job support for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright 2012-2017 by Apple Inc.
  *
  * Licensed under Apache License v2.0.  See the file "LICENSE" for more information.
diff --git a/cups/dest-localization.c b/cups/dest-localization.c
index 73c6491cf2..528476b721 100644
--- a/cups/dest-localization.c
+++ b/cups/dest-localization.c
@@ -1,6 +1,7 @@
 /*
  * Destination localization support for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2012-2017 by Apple Inc.
  *
  * Licensed under Apache License v2.0.  See the file "LICENSE" for more
diff --git a/cups/dest-options.c b/cups/dest-options.c
index d0d683d7a6..be0be72e55 100644
--- a/cups/dest-options.c
+++ b/cups/dest-options.c
@@ -1,7 +1,7 @@
 /*
  * Destination option/media support for CUPS.
  *
- * Copyright © 2021-2023 by OpenPrinting.
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2012-2019 by Apple Inc.
  *
  * Licensed under Apache License v2.0.  See the file "LICENSE" for more
diff --git a/cups/dest.c b/cups/dest.c
index da775a3901..259e37bf08 100644
--- a/cups/dest.c
+++ b/cups/dest.c
@@ -1,7 +1,7 @@
 /*
  * User-defined destination (and option) support for CUPS.
  *
- * Copyright © 2021-2023 by OpenPrinting.
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2007-2019 by Apple Inc.
  * Copyright © 1997-2007 by Easy Software Products.
  *
diff --git a/cups/dir.c b/cups/dir.c
index 7a6a39c084..fa236be718 100644
--- a/cups/dir.c
+++ b/cups/dir.c
@@ -3,7 +3,7 @@
  *
  * This set of APIs abstracts enumeration of directory entries.
  *
- * Copyright © 2022-2023 by OpenPrinting.
+ * Copyright © 2022-2024 by OpenPrinting.
  * Copyright © 2007-2021 by Apple Inc.
  * Copyright © 1997-2005 by Easy Software Products, all rights reserved.
  *
diff --git a/cups/dir.h b/cups/dir.h
index f6878cbd4b..c82d02f242 100644
--- a/cups/dir.h
+++ b/cups/dir.h
@@ -3,6 +3,7 @@
  *
  * This set of APIs abstracts enumeration of directory entries.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright 2007-2011 by Apple Inc.
  * Copyright 1997-2006 by Easy Software Products, all rights reserved.
  *
diff --git a/cups/encode.c b/cups/encode.c
index 7f0c1d641e..25ec8f23f3 100644
--- a/cups/encode.c
+++ b/cups/encode.c
@@ -1,6 +1,7 @@
 /*
  * Option encoding routines for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2007-2019 by Apple Inc.
  * Copyright © 1997-2007 by Easy Software Products.
  *
diff --git a/cups/file-private.h b/cups/file-private.h
index bb6f2130cc..07328900f8 100644
--- a/cups/file-private.h
+++ b/cups/file-private.h
@@ -6,6 +6,7 @@
  * our own file functions allows us to provide transparent support of
  * different line endings, gzip'd print files, PPD files, etc.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2007-2018 by Apple Inc.
  * Copyright © 1997-2007 by Easy Software Products, all rights reserved.
  *
diff --git a/cups/file.c b/cups/file.c
index ead31aab5f..95054f3c8b 100644
--- a/cups/file.c
+++ b/cups/file.c
@@ -6,7 +6,7 @@
  * our own file functions allows us to provide transparent support of
  * different line endings, gzip'd print files, PPD files, etc.
  *
- * Copyright © 2021-2023 by OpenPrinting.
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2007-2019 by Apple Inc.
  * Copyright © 1997-2007 by Easy Software Products, all rights reserved.
  *
diff --git a/cups/file.h b/cups/file.h
index 49ca58a0c4..024e37e36e 100644
--- a/cups/file.h
+++ b/cups/file.h
@@ -6,6 +6,7 @@
  * our own file functions allows us to provide transparent support of
  * different line endings, gzip'd print files, PPD files, etc.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2007-2018 by Apple Inc.
  * Copyright © 1997-2007 by Easy Software Products, all rights reserved.
  *
diff --git a/cups/fuzzipp.c b/cups/fuzzipp.c
index b9fcb44768..64037aef6e 100644
--- a/cups/fuzzipp.c
+++ b/cups/fuzzipp.c
@@ -1,6 +1,7 @@
 /*
  * IPP fuzzing program for CUPS.
  *
+ * Copyright © 2022-2024 by OpenPrinting.
  * Copyright © 2007-2021 by Apple Inc.
  * Copyright © 1997-2005 by Easy Software Products.
  *
diff --git a/cups/getdevices.c b/cups/getdevices.c
index 175e8656f5..03102d4880 100644
--- a/cups/getdevices.c
+++ b/cups/getdevices.c
@@ -1,7 +1,7 @@
 /*
  * cupsGetDevices implementation for CUPS.
  *
- * Copyright © 2021-2023 by OpenPrinting.
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2008-2016 by Apple Inc.
  *
  * Licensed under Apache License v2.0.  See the file "LICENSE" for more
diff --git a/cups/getifaddrs-internal.h b/cups/getifaddrs-internal.h
index 8e8a413732..a0083c746d 100644
--- a/cups/getifaddrs-internal.h
+++ b/cups/getifaddrs-internal.h
@@ -1,6 +1,7 @@
 /*
  * getifaddrs definitions for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright 2007-2018 by Apple Inc.
  * Copyright 1997-2007 by Easy Software Products, all rights reserved.
  *
diff --git a/cups/getifaddrs.c b/cups/getifaddrs.c
index f751aa8583..a9aa1c173f 100644
--- a/cups/getifaddrs.c
+++ b/cups/getifaddrs.c
@@ -1,6 +1,7 @@
 /*
  * Network interface functions for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2007-2018 by Apple Inc.
  * Copyright © 1997-2006 by Easy Software Products, all rights reserved.
  *
diff --git a/cups/getputfile.c b/cups/getputfile.c
index 9a053c862d..53d3d313de 100644
--- a/cups/getputfile.c
+++ b/cups/getputfile.c
@@ -1,7 +1,7 @@
 /*
  * Get/put file functions for CUPS.
  *
- * Copyright © 2021-2023 by OpenPrinting.
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2007-2018 by Apple Inc.
  * Copyright © 1997-2006 by Easy Software Products.
  *
diff --git a/cups/globals.c b/cups/globals.c
index ddeab667c3..bcb5809647 100644
--- a/cups/globals.c
+++ b/cups/globals.c
@@ -1,7 +1,7 @@
 /*
  * Global variable access routines for CUPS.
  *
- * Copyright © 2021-2023 by OpenPrinting.
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2007-2019 by Apple Inc.
  * Copyright © 1997-2007 by Easy Software Products, all rights reserved.
  *
diff --git a/cups/hash.c b/cups/hash.c
index 5eefa1010e..adefcac111 100644
--- a/cups/hash.c
+++ b/cups/hash.c
@@ -1,7 +1,7 @@
 //
 // Hashing functions for CUPS.
 //
-// Copyright © 2022-2023 by OpenPrinting.
+// Copyright © 2020-2024 by OpenPrinting.
 // Copyright © 2015-2019 by Apple Inc.
 //
 // Licensed under Apache License v2.0.  See the file "LICENSE" for more
diff --git a/cups/http-addrlist.c b/cups/http-addrlist.c
index cffcf184c8..283d5c4b86 100644
--- a/cups/http-addrlist.c
+++ b/cups/http-addrlist.c
@@ -1,7 +1,7 @@
 /*
  * HTTP address list routines for CUPS.
  *
- * Copyright © 2021-2023 by OpenPrinting.
+ * Copyright © 2022-2024 by OpenPrinting.
  * Copyright © 2007-2021 by Apple Inc.
  * Copyright © 1997-2007 by Easy Software Products, all rights reserved.
  *
diff --git a/cups/http-private.h b/cups/http-private.h
index fcf4c74a8e..5f77b8ef00 100644
--- a/cups/http-private.h
+++ b/cups/http-private.h
@@ -1,6 +1,7 @@
 /*
  * Private HTTP definitions for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright 2007-2018 by Apple Inc.
  * Copyright 1997-2007 by Easy Software Products, all rights reserved.
  *
diff --git a/cups/http.c b/cups/http.c
index c7e6e3bc37..198087f274 100644
--- a/cups/http.c
+++ b/cups/http.c
@@ -1,7 +1,7 @@
 /*
  * HTTP routines for CUPS.
  *
- * Copyright © 2021-2023 by OpenPrinting.
+ * Copyright © 2022-2024 by OpenPrinting.
  * Copyright © 2007-2021 by Apple Inc.
  * Copyright © 1997-2007 by Easy Software Products, all rights reserved.
  *
diff --git a/cups/http.h b/cups/http.h
index ad26343084..fbca93f2ff 100644
--- a/cups/http.h
+++ b/cups/http.h
@@ -1,6 +1,7 @@
 /*
  * Hyper-Text Transport Protocol definitions for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2007-2018 by Apple Inc.
  * Copyright © 1997-2007 by Easy Software Products, all rights reserved.
  *
diff --git a/cups/ipp-file.c b/cups/ipp-file.c
index ca4a66075c..86add6e3a1 100644
--- a/cups/ipp-file.c
+++ b/cups/ipp-file.c
@@ -1,6 +1,7 @@
 /*
  * IPP data file parsing functions.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2007-2019 by Apple Inc.
  * Copyright © 1997-2007 by Easy Software Products.
  *
diff --git a/cups/ipp-private.h b/cups/ipp-private.h
index fa5e435503..b3902f05ba 100644
--- a/cups/ipp-private.h
+++ b/cups/ipp-private.h
@@ -1,6 +1,7 @@
 /*
  * Private IPP definitions for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2007-2018 by Apple Inc.
  * Copyright © 1997-2006 by Easy Software Products.
  *
diff --git a/cups/ipp-support.c b/cups/ipp-support.c
index bb0c6c8bd9..b0cbadf8de 100644
--- a/cups/ipp-support.c
+++ b/cups/ipp-support.c
@@ -1,7 +1,7 @@
 /*
  * Internet Printing Protocol support functions for CUPS.
  *
- * Copyright © 2023 by OpenPrinting.
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2007-2018 by Apple Inc.
  * Copyright © 1997-2007 by Easy Software Products, all rights reserved.
  *
diff --git a/cups/ipp.c b/cups/ipp.c
index 23179d6fab..59b04aa1d5 100644
--- a/cups/ipp.c
+++ b/cups/ipp.c
@@ -1,6 +1,7 @@
 /*
  * Internet Printing Protocol functions for CUPS.
  *
+ * Copyright © 2022-2024 by OpenPrinting.
  * Copyright © 2007-2021 by Apple Inc.
  * Copyright © 1997-2007 by Easy Software Products, all rights reserved.
  *
diff --git a/cups/ipp.h b/cups/ipp.h
index b7412a40c4..f7ab6f4232 100644
--- a/cups/ipp.h
+++ b/cups/ipp.h
@@ -1,6 +1,7 @@
 /*
  * Internet Printing Protocol definitions for CUPS.
  *
+ * Copyright © 2022-2024 by OpenPrinting.
  * Copyright © 2007-2018 by Apple Inc.
  * Copyright © 1997-2006 by Easy Software Products.
  *
diff --git a/cups/langprintf.c b/cups/langprintf.c
index bbcbb89161..acffb3dd2c 100644
--- a/cups/langprintf.c
+++ b/cups/langprintf.c
@@ -1,6 +1,7 @@
 /*
  * Localized printf/puts functions for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright 2007-2014 by Apple Inc.
  * Copyright 2002-2007 by Easy Software Products.
  *
diff --git a/cups/language-private.h b/cups/language-private.h
index 7c304dfca7..6c69943717 100644
--- a/cups/language-private.h
+++ b/cups/language-private.h
@@ -1,6 +1,7 @@
 /*
  * Private localization support for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2007-2018 by Apple Inc.
  * Copyright © 1997-2006 by Easy Software Products.
  *
diff --git a/cups/language.c b/cups/language.c
index 96e828332f..6d9474e661 100644
--- a/cups/language.c
+++ b/cups/language.c
@@ -1,6 +1,7 @@
 /*
  * I18N/language support for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright 2007-2017 by Apple Inc.
  * Copyright 1997-2007 by Easy Software Products.
  *
diff --git a/cups/language.h b/cups/language.h
index 4dcca01d0f..e0032f8390 100644
--- a/cups/language.h
+++ b/cups/language.h
@@ -1,6 +1,7 @@
 /*
  * Multi-language support for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright 2007-2011 by Apple Inc.
  * Copyright 1997-2006 by Easy Software Products.
  *
diff --git a/cups/md5-internal.h b/cups/md5-internal.h
index 2cbf78b0e0..426091381d 100644
--- a/cups/md5-internal.h
+++ b/cups/md5-internal.h
@@ -1,6 +1,7 @@
 /*
  * Private MD5 definitions for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright 2007-2010 by Apple Inc.
  * Copyright 2005 by Easy Software Products
  *
diff --git a/cups/md5.c b/cups/md5.c
index 8a0aee663a..8e0a88e482 100644
--- a/cups/md5.c
+++ b/cups/md5.c
@@ -1,7 +1,7 @@
 /*
  * Private MD5 implementation for CUPS.
  *
- * Copyright © 2023 by OpenPrinting.
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2007-2017 by Apple Inc.
  * Copyright © 2005 by Easy Software Products
  * Copyright © 1999 Aladdin Enterprises.  All rights reserved.
diff --git a/cups/md5passwd.c b/cups/md5passwd.c
index 5c9a64e060..40ba83612a 100644
--- a/cups/md5passwd.c
+++ b/cups/md5passwd.c
@@ -1,6 +1,7 @@
 /*
  * MD5 password support for CUPS (deprecated).
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright 2007-2017 by Apple Inc.
  * Copyright 1997-2005 by Easy Software Products.
  *
diff --git a/cups/notify.c b/cups/notify.c
index 590962c76f..7b24367e8d 100644
--- a/cups/notify.c
+++ b/cups/notify.c
@@ -1,6 +1,7 @@
 /*
  * Notification routines for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright 2007-2013 by Apple Inc.
  * Copyright 2005-2006 by Easy Software Products.
  *
diff --git a/cups/options.c b/cups/options.c
index 4fcc281b10..83673335da 100644
--- a/cups/options.c
+++ b/cups/options.c
@@ -1,6 +1,7 @@
 /*
  * Option routines for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright 2007-2017 by Apple Inc.
  * Copyright 1997-2007 by Easy Software Products.
  *
diff --git a/cups/ppd-attr.c b/cups/ppd-attr.c
index c25af26294..33ce5a78e8 100644
--- a/cups/ppd-attr.c
+++ b/cups/ppd-attr.c
@@ -1,6 +1,7 @@
 /*
  * PPD model-specific attribute routines for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright 2007-2015 by Apple Inc.
  * Copyright 1997-2006 by Easy Software Products.
  *
diff --git a/cups/ppd-cache.c b/cups/ppd-cache.c
index 7828ea7293..b87cfb7987 100644
--- a/cups/ppd-cache.c
+++ b/cups/ppd-cache.c
@@ -1,7 +1,7 @@
 /*
  * PPD cache implementation for CUPS.
  *
- * Copyright © 2021-2023 by OpenPrinting.
+ * Copyright © 2022-2024 by OpenPrinting.
  * Copyright © 2010-2021 by Apple Inc.
  *
  * Licensed under Apache License v2.0.  See the file "LICENSE" for more
diff --git a/cups/ppd-conflicts.c b/cups/ppd-conflicts.c
index ffbacadca1..4d6dc78a52 100644
--- a/cups/ppd-conflicts.c
+++ b/cups/ppd-conflicts.c
@@ -1,6 +1,7 @@
 /*
  * Option conflict management routines for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright 2007-2018 by Apple Inc.
  * Copyright 1997-2007 by Easy Software Products, all rights reserved.
  *
diff --git a/cups/ppd-custom.c b/cups/ppd-custom.c
index 8cdd7c8220..fca5c17102 100644
--- a/cups/ppd-custom.c
+++ b/cups/ppd-custom.c
@@ -1,6 +1,7 @@
 /*
  * PPD custom option routines for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright 2007-2015 by Apple Inc.
  * Copyright 1997-2006 by Easy Software Products, all rights reserved.
  *
diff --git a/cups/ppd-emit.c b/cups/ppd-emit.c
index 74908d451c..c7bff4d05e 100644
--- a/cups/ppd-emit.c
+++ b/cups/ppd-emit.c
@@ -1,6 +1,7 @@
 /*
  * PPD code emission routines for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright 2007-2019 by Apple Inc.
  * Copyright 1997-2007 by Easy Software Products, all rights reserved.
  *
diff --git a/cups/ppd-localize.c b/cups/ppd-localize.c
index ea8491532a..320d302088 100644
--- a/cups/ppd-localize.c
+++ b/cups/ppd-localize.c
@@ -1,6 +1,7 @@
 /*
  * PPD localization routines for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright 2007-2018 by Apple Inc.
  * Copyright 1997-2007 by Easy Software Products, all rights reserved.
  *
diff --git a/cups/ppd-mark.c b/cups/ppd-mark.c
index 25797b3761..98e94979f1 100644
--- a/cups/ppd-mark.c
+++ b/cups/ppd-mark.c
@@ -1,6 +1,7 @@
 /*
  * Option marking routines for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2007-2019 by Apple Inc.
  * Copyright © 1997-2007 by Easy Software Products, all rights reserved.
  *
diff --git a/cups/ppd-page.c b/cups/ppd-page.c
index 1f5860a83c..f760ebe559 100644
--- a/cups/ppd-page.c
+++ b/cups/ppd-page.c
@@ -1,6 +1,7 @@
 /*
  * Page size functions for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright 2007-2015 by Apple Inc.
  * Copyright 1997-2007 by Easy Software Products, all rights reserved.
  *
diff --git a/cups/ppd-private.h b/cups/ppd-private.h
index 11324c791e..cc97f8b054 100644
--- a/cups/ppd-private.h
+++ b/cups/ppd-private.h
@@ -1,7 +1,7 @@
 /*
  * Private PPD definitions for CUPS.
  *
- * Copyright © 2021 by OpenPrinting.
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2007-2019 by Apple Inc.
  * Copyright © 1997-2007 by Easy Software Products, all rights reserved.
  *
diff --git a/cups/ppd-util.c b/cups/ppd-util.c
index e0a135bd9d..66f43661d1 100644
--- a/cups/ppd-util.c
+++ b/cups/ppd-util.c
@@ -1,6 +1,7 @@
 /*
  * PPD utilities for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2007-2018 by Apple Inc.
  * Copyright © 1997-2006 by Easy Software Products.
  *
diff --git a/cups/ppd.c b/cups/ppd.c
index 4ce9fcc5cd..a07b02a598 100644
--- a/cups/ppd.c
+++ b/cups/ppd.c
@@ -1,7 +1,7 @@
 /*
  * PPD file routines for CUPS.
  *
- * Copyright © 2021-2023 by OpenPrinting.
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2007-2019 by Apple Inc.
  * Copyright © 1997-2007 by Easy Software Products, all rights reserved.
  *
diff --git a/cups/ppd.h b/cups/ppd.h
index f2ba50db83..0f365c14b9 100644
--- a/cups/ppd.h
+++ b/cups/ppd.h
@@ -4,6 +4,7 @@
  * THESE APIS ARE DEPRECATED.  THIS HEADER AND THESE FUNCTIONS WILL BE REMOVED
  * IN A FUTURE RELEASE OF CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2007-2019 by Apple Inc.
  * Copyright © 1997-2007 by Easy Software Products, all rights reserved.
  *
diff --git a/cups/pwg-media.c b/cups/pwg-media.c
index 3653739703..5b8cc088ef 100644
--- a/cups/pwg-media.c
+++ b/cups/pwg-media.c
@@ -1,7 +1,7 @@
 /*
  * PWG media name API implementation for CUPS.
  *
- * Copyright © 2023 by OpenPrinting.
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2009-2019 by Apple Inc.
  *
  * Licensed under Apache License v2.0.  See the file "LICENSE" for more
diff --git a/cups/pwg-private.h b/cups/pwg-private.h
index e93a7f8794..c8d886cbfd 100644
--- a/cups/pwg-private.h
+++ b/cups/pwg-private.h
@@ -1,6 +1,7 @@
 /*
  * Private PWG media API definitions for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright 2009-2016 by Apple Inc.
  *
  * Licensed under Apache License v2.0.  See the file "LICENSE" for more information.
diff --git a/cups/pwg.h b/cups/pwg.h
index 2d30847635..4b13f71643 100644
--- a/cups/pwg.h
+++ b/cups/pwg.h
@@ -1,6 +1,7 @@
 /*
  * PWG media API definitions for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright 2009-2017 by Apple Inc.
  *
  * Licensed under Apache License v2.0.  See the file "LICENSE" for more information.
diff --git a/cups/raster-error.c b/cups/raster-error.c
index 66f91e45ca..2a831c9a9c 100644
--- a/cups/raster-error.c
+++ b/cups/raster-error.c
@@ -1,6 +1,7 @@
 /*
  * Raster error handling for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2007-2018 by Apple Inc.
  * Copyright © 2007 by Easy Software Products.
  *
diff --git a/cups/raster-interpret.c b/cups/raster-interpret.c
index 653d9ea5e2..1b67e01a65 100644
--- a/cups/raster-interpret.c
+++ b/cups/raster-interpret.c
@@ -1,6 +1,7 @@
 /*
  * PPD command interpreter for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2007-2018 by Apple Inc.
  * Copyright © 1993-2007 by Easy Software Products.
  *
diff --git a/cups/raster-interstub.c b/cups/raster-interstub.c
index 8355d2223a..3443de532e 100644
--- a/cups/raster-interstub.c
+++ b/cups/raster-interstub.c
@@ -1,6 +1,7 @@
 /*
  * cupsRasterInterpretPPD stub for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2018 by Apple Inc.
  *
  * Licensed under Apache License v2.0.  See the file "LICENSE" for more
diff --git a/cups/raster-private.h b/cups/raster-private.h
index 4b03dbc554..41266c3219 100644
--- a/cups/raster-private.h
+++ b/cups/raster-private.h
@@ -1,6 +1,7 @@
 /*
  * Private image library definitions for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2007-2019 by Apple Inc.
  * Copyright © 1993-2006 by Easy Software Products.
  *
diff --git a/cups/raster-stream.c b/cups/raster-stream.c
index 3260cd7b7a..307139fa4c 100644
--- a/cups/raster-stream.c
+++ b/cups/raster-stream.c
@@ -1,6 +1,7 @@
 /*
  * Raster file routines for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright 2007-2019 by Apple Inc.
  * Copyright 1997-2006 by Easy Software Products.
  *
diff --git a/cups/raster-stubs.c b/cups/raster-stubs.c
index 11e0a141e6..a2d50b57bc 100644
--- a/cups/raster-stubs.c
+++ b/cups/raster-stubs.c
@@ -1,6 +1,7 @@
 /*
  * Imaging library stubs for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2018 by Apple Inc.
  *
  * Licensed under Apache License v2.0.  See the file "LICENSE" for more
diff --git a/cups/raster.h b/cups/raster.h
index 6ae004ecb1..e379eb3495 100644
--- a/cups/raster.h
+++ b/cups/raster.h
@@ -1,6 +1,7 @@
 /*
  * Raster file definitions for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2007-2018 by Apple Inc.
  * Copyright © 1997-2006 by Easy Software Products.
  *
diff --git a/cups/rasterbench.c b/cups/rasterbench.c
index e4dee66b5d..22dc735bc1 100644
--- a/cups/rasterbench.c
+++ b/cups/rasterbench.c
@@ -1,6 +1,7 @@
 /*
  * Raster benchmark program for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright 2007-2016 by Apple Inc.
  * Copyright 1997-2006 by Easy Software Products.
  *
diff --git a/cups/request.c b/cups/request.c
index 4526dd687f..5baa512bb6 100644
--- a/cups/request.c
+++ b/cups/request.c
@@ -1,7 +1,7 @@
 /*
  * IPP utilities for CUPS.
  *
- * Copyright © 2021-2023 by OpenPrinting.
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2007-2018 by Apple Inc.
  * Copyright © 1997-2007 by Easy Software Products.
  *
diff --git a/cups/sidechannel.c b/cups/sidechannel.c
index 56a5d01162..f765944999 100644
--- a/cups/sidechannel.c
+++ b/cups/sidechannel.c
@@ -1,6 +1,7 @@
 /*
  * Side-channel API code for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2007-2019 by Apple Inc.
  * Copyright © 2006 by Easy Software Products.
  *
diff --git a/cups/sidechannel.h b/cups/sidechannel.h
index feafab8835..2683a78896 100644
--- a/cups/sidechannel.h
+++ b/cups/sidechannel.h
@@ -1,6 +1,7 @@
 /*
  * Side-channel API definitions for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2007-2019 by Apple Inc.
  * Copyright © 2006 by Easy Software Products.
  *
diff --git a/cups/snmp-private.h b/cups/snmp-private.h
index 3613019546..52b8740169 100644
--- a/cups/snmp-private.h
+++ b/cups/snmp-private.h
@@ -1,6 +1,7 @@
 /*
  * Private SNMP definitions for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2007-2014 by Apple Inc.
  * Copyright © 2006-2007 by Easy Software Products, all rights reserved.
  *
diff --git a/cups/snmp.c b/cups/snmp.c
index 378e9e76e5..88d5c18504 100644
--- a/cups/snmp.c
+++ b/cups/snmp.c
@@ -1,7 +1,7 @@
 /*
  * SNMP functions for CUPS.
  *
- * Copyright © 2022-2023 by OpenPrinting.
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2007-2019 by Apple Inc.
  * Copyright © 2006-2007 by Easy Software Products, all rights reserved.
  *
diff --git a/cups/string-private.h b/cups/string-private.h
index 335e579c86..9fbe02de21 100644
--- a/cups/string-private.h
+++ b/cups/string-private.h
@@ -1,6 +1,7 @@
 /*
  * Private string definitions for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2007-2018 by Apple Inc.
  * Copyright © 1997-2006 by Easy Software Products.
  *
diff --git a/cups/string.c b/cups/string.c
index b4fc12050c..b82ac497cf 100644
--- a/cups/string.c
+++ b/cups/string.c
@@ -1,7 +1,7 @@
 /*
  * String functions for CUPS.
  *
- * Copyright © 2023 by OpenPrinting.
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2007-2019 by Apple Inc.
  * Copyright © 1997-2007 by Easy Software Products.
  *
diff --git a/cups/tempfile.c b/cups/tempfile.c
index 3b52a1547d..e575f931fd 100644
--- a/cups/tempfile.c
+++ b/cups/tempfile.c
@@ -1,6 +1,7 @@
 /*
  * Temp file utilities for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2007-2018 by Apple Inc.
  * Copyright © 1997-2006 by Easy Software Products.
  *
diff --git a/cups/test.ppd b/cups/test.ppd
index 7e2461773a..c5740c35c3 100644
--- a/cups/test.ppd
+++ b/cups/test.ppd
@@ -10,6 +10,7 @@
 *% to create your PPD files - not only will it save you time, it produces
 *% consistently high-quality files.
 *%
+*% Copyright © 2020-2024 by OpenPrinting.
 *% Copyright (c) 2007-2018 by Apple Inc.
 *% Copyright (c) 2002-2006 by Easy Software Products.
 *%
diff --git a/cups/test2.ppd b/cups/test2.ppd
index 9a5b4fd39d..93f245e05f 100644
--- a/cups/test2.ppd
+++ b/cups/test2.ppd
@@ -10,6 +10,7 @@
 *% to create your PPD files - not only will it save you time, it produces
 *% consistently high-quality files.
 *%
+*% Copyright © 2020-2024 by OpenPrinting.
 *% Copyright (c) 2007-2018 by Apple Inc.
 *% Copyright (c) 2002-2006 by Easy Software Products.
 *%
diff --git a/cups/testadmin.c b/cups/testadmin.c
index 58424eae41..7c34684c07 100644
--- a/cups/testadmin.c
+++ b/cups/testadmin.c
@@ -1,6 +1,7 @@
 /*
  * Admin function test program for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright 2007-2013 by Apple Inc.
  * Copyright 2006 by Easy Software Products.
  *
diff --git a/cups/testarray.c b/cups/testarray.c
index 185fcbec57..15729626b5 100644
--- a/cups/testarray.c
+++ b/cups/testarray.c
@@ -1,6 +1,7 @@
 /*
  * Array test program for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright 2007-2014 by Apple Inc.
  * Copyright 1997-2006 by Easy Software Products.
  *
diff --git a/cups/testcache.c b/cups/testcache.c
index 44f75087ee..b68740ba8b 100644
--- a/cups/testcache.c
+++ b/cups/testcache.c
@@ -1,6 +1,7 @@
 /*
  * PPD cache testing program for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright 2009-2018 by Apple Inc.
  *
  * Licensed under Apache License v2.0.  See the file "LICENSE" for more information.
diff --git a/cups/testconflicts.c b/cups/testconflicts.c
index 6ea70fa33a..35ea29fe4e 100644
--- a/cups/testconflicts.c
+++ b/cups/testconflicts.c
@@ -1,6 +1,7 @@
 /*
  * PPD constraint test program for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright 2008-2012 by Apple Inc.
  *
  * Licensed under Apache License v2.0.  See the file "LICENSE" for more information.
diff --git a/cups/testcreds.c b/cups/testcreds.c
index 02d16a8e0c..529af70faf 100644
--- a/cups/testcreds.c
+++ b/cups/testcreds.c
@@ -1,6 +1,7 @@
 /*
  * HTTP credentials test program for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright 2007-2016 by Apple Inc.
  * Copyright 1997-2006 by Easy Software Products.
  *
diff --git a/cups/testcups.c b/cups/testcups.c
index e8271f8dd1..4edbf4ca5d 100644
--- a/cups/testcups.c
+++ b/cups/testcups.c
@@ -1,6 +1,7 @@
 /*
  * CUPS API test program for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2007-2018 by Apple Inc.
  * Copyright © 2007 by Easy Software Products.
  *
diff --git a/cups/testdest.c b/cups/testdest.c
index 9b07e77718..4904c75e53 100644
--- a/cups/testdest.c
+++ b/cups/testdest.c
@@ -1,6 +1,7 @@
 /*
  * CUPS destination API test program for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2012-2018 by Apple Inc.
  *
  * Licensed under Apache License v2.0.  See the file "LICENSE" for more information.
diff --git a/cups/testfile.c b/cups/testfile.c
index e07c69b018..4f8fbefaf4 100644
--- a/cups/testfile.c
+++ b/cups/testfile.c
@@ -1,7 +1,7 @@
 /*
  * File/directory test program for CUPS.
  *
- * Copyright © 2021-2023 by OpenPrinting.
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2007-2018 by Apple Inc.
  * Copyright © 1997-2007 by Easy Software Products.
  *
diff --git a/cups/testgetdests.c b/cups/testgetdests.c
index 5b9069568b..1bf876314a 100644
--- a/cups/testgetdests.c
+++ b/cups/testgetdests.c
@@ -1,6 +1,7 @@
 /*
  * CUPS cupsGetDests API test program for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright 2017 by Apple Inc.
  *
  * Licensed under Apache License v2.0.  See the file "LICENSE" for more information.
diff --git a/cups/testhttp.c b/cups/testhttp.c
index 66a112ed87..48e5fa8ed9 100644
--- a/cups/testhttp.c
+++ b/cups/testhttp.c
@@ -1,7 +1,7 @@
 /*
  * HTTP test program for CUPS.
  *
- * Copyright © 2021-2023 by OpenPrinting.
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2007-2018 by Apple Inc.
  * Copyright © 1997-2006 by Easy Software Products.
  *
diff --git a/cups/testi18n.c b/cups/testi18n.c
index 7be0fa2770..8af6272de3 100644
--- a/cups/testi18n.c
+++ b/cups/testi18n.c
@@ -1,6 +1,7 @@
 /*
  * Internationalization test for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright 2007-2014 by Apple Inc.
  * Copyright 1997-2006 by Easy Software Products.
  *
diff --git a/cups/testipp.c b/cups/testipp.c
index b31aae9ed9..db65a5ff61 100644
--- a/cups/testipp.c
+++ b/cups/testipp.c
@@ -1,7 +1,7 @@
 /*
  * IPP test program for CUPS.
  *
- * Copyright © 2022-2023 by OpenPrinting.
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2007-2019 by Apple Inc.
  * Copyright © 1997-2005 by Easy Software Products.
  *
diff --git a/cups/testlang.c b/cups/testlang.c
index e0cd6b4f42..92f274bc73 100644
--- a/cups/testlang.c
+++ b/cups/testlang.c
@@ -5,7 +5,7 @@
  *
  *   ./testlang [-l locale] [-p ppd] ["String to localize"]
  *
- * Copyright © 2021-2023 by OpenPrinting.
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2007-2017 by Apple Inc.
  * Copyright © 1997-2006 by Easy Software Products.
  *
diff --git a/cups/testoptions.c b/cups/testoptions.c
index 1cc2f74a5c..04285fe328 100644
--- a/cups/testoptions.c
+++ b/cups/testoptions.c
@@ -1,6 +1,7 @@
 /*
  * Option unit test program for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright 2008-2016 by Apple Inc.
  *
  * Licensed under Apache License v2.0.  See the file "LICENSE" for more information.
diff --git a/cups/testppd.c b/cups/testppd.c
index c295d478bf..8836d384a1 100644
--- a/cups/testppd.c
+++ b/cups/testppd.c
@@ -1,6 +1,7 @@
 /*
  * PPD test program for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2007-2018 by Apple Inc.
  * Copyright © 1997-2006 by Easy Software Products.
  *
diff --git a/cups/testpwg.c b/cups/testpwg.c
index 6473c8cf91..1561fd0e59 100644
--- a/cups/testpwg.c
+++ b/cups/testpwg.c
@@ -1,6 +1,7 @@
 /*
  * PWG unit test program for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright 2009-2016 by Apple Inc.
  *
  * Licensed under Apache License v2.0.  See the file "LICENSE" for more information.
diff --git a/cups/testraster.c b/cups/testraster.c
index de72a4bfbb..e952daf03c 100644
--- a/cups/testraster.c
+++ b/cups/testraster.c
@@ -1,6 +1,7 @@
 /*
  * Raster test program routines for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2007-2019 by Apple Inc.
  * Copyright © 1997-2007 by Easy Software Products.
  *
diff --git a/cups/testsnmp.c b/cups/testsnmp.c
index 8071847a78..81d462eef3 100644
--- a/cups/testsnmp.c
+++ b/cups/testsnmp.c
@@ -1,6 +1,7 @@
 /*
  * SNMP test program for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright 2008-2014 by Apple Inc.
  *
  * Licensed under Apache License v2.0.  See the file "LICENSE" for more information.
diff --git a/cups/testthreads.c b/cups/testthreads.c
index 441bc9f152..c7ec4ed095 100644
--- a/cups/testthreads.c
+++ b/cups/testthreads.c
@@ -1,6 +1,7 @@
 /*
  * Threaded test program for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2012-2019 by Apple Inc.
  *
  * Licensed under Apache License v2.0.  See the file "LICENSE" for more
diff --git a/cups/thread.c b/cups/thread.c
index a0d6eced06..066f8e2e8e 100644
--- a/cups/thread.c
+++ b/cups/thread.c
@@ -1,7 +1,7 @@
 /*
  * Threading primitives for CUPS.
  *
- * Copyright © 2021-2023 by OpenPrinting.
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2009-2018 by Apple Inc.
  *
  * Licensed under Apache License v2.0.  See the file "LICENSE" for more
diff --git a/cups/tls.c b/cups/tls.c
index ff64d71325..fba9567159 100644
--- a/cups/tls.c
+++ b/cups/tls.c
@@ -1,7 +1,7 @@
 /*
  * TLS routines for CUPS.
  *
- * Copyright © 2021-2023 by OpenPrinting.
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright @ 2007-2014 by Apple Inc.
  * Copyright @ 1997-2007 by Easy Software Products, all rights reserved.
  *
diff --git a/cups/tlscheck.c b/cups/tlscheck.c
index 11fa477d32..ef26d5c2a5 100644
--- a/cups/tlscheck.c
+++ b/cups/tlscheck.c
@@ -1,7 +1,7 @@
 /*
  * TLS check program for CUPS.
  *
- * Copyright © 2021-2023 by OpenPrinting.
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2007-2017 by Apple Inc.
  * Copyright © 1997-2006 by Easy Software Products.
  *
diff --git a/cups/transcode.c b/cups/transcode.c
index 4267813192..0751c96a84 100644
--- a/cups/transcode.c
+++ b/cups/transcode.c
@@ -1,6 +1,7 @@
 /*
  * Transcoding support for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright 2007-2014 by Apple Inc.
  * Copyright 1997-2007 by Easy Software Products.
  *
diff --git a/cups/transcode.h b/cups/transcode.h
index 844de4d577..e3cbde0d20 100644
--- a/cups/transcode.h
+++ b/cups/transcode.h
@@ -1,6 +1,7 @@
 /*
  * Transcoding definitions for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright 2007-2011 by Apple Inc.
  * Copyright 1997-2006 by Easy Software Products.
  *
diff --git a/cups/usersys.c b/cups/usersys.c
index 4e52ff7a74..1b347cb7ca 100644
--- a/cups/usersys.c
+++ b/cups/usersys.c
@@ -1,7 +1,7 @@
 /*
  * User, system, and password routines for CUPS.
  *
- * Copyright © 2021-2023 by OpenPrinting.
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2007-2019 by Apple Inc.
  * Copyright © 1997-2006 by Easy Software Products.
  *
diff --git a/cups/util.c b/cups/util.c
index e81e4704d4..2de2836e56 100644
--- a/cups/util.c
+++ b/cups/util.c
@@ -1,6 +1,7 @@
 /*
  * Printing utilities for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2007-2018 by Apple Inc.
  * Copyright © 1997-2006 by Easy Software Products.
  *
diff --git a/data/Makefile b/data/Makefile
index 5539e6f7cd..7104766a81 100644
--- a/data/Makefile
+++ b/data/Makefile
@@ -1,6 +1,7 @@
 #
 # Datafile makefile for CUPS.
 #
+# Copyright © 2020-2024 by OpenPrinting.
 # Copyright 2007-2014 by Apple Inc.
 # Copyright 1993-2006 by Easy Software Products.
 #
diff --git a/data/epson.h b/data/epson.h
index 8a3641e63c..d6737882bd 100644
--- a/data/epson.h
+++ b/data/epson.h
@@ -2,6 +2,7 @@
  * This file contains model number definitions for the CUPS sample
  * ESC/P driver.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright 2007 by Apple Inc.
  * Copyright 1997-2005 by Easy Software Products.
  *
diff --git a/data/font.defs b/data/font.defs
index 519a8e1bdd..afa4e4ea27 100644
--- a/data/font.defs
+++ b/data/font.defs
@@ -1,6 +1,7 @@
 /*
  * Standard font definitions for the CUPS PPD file compiler.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2007 by Apple Inc.
  * Copyright © 1997-2005 by Easy Software Products.
  *
diff --git a/data/hp.h b/data/hp.h
index f544fad056..64d6d20b65 100644
--- a/data/hp.h
+++ b/data/hp.h
@@ -2,6 +2,7 @@
  * This file contains model number definitions for the CUPS sample
  * HP driver.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright 2007 by Apple Inc.
  * Copyright 1997-2005 by Easy Software Products.
  *
diff --git a/data/label.h b/data/label.h
index 89372f25a0..3d57983a55 100644
--- a/data/label.h
+++ b/data/label.h
@@ -2,6 +2,7 @@
  * This file contains model number definitions for the CUPS sample
  * label printer driver.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright 2007 by Apple Inc.
  * Copyright 1997-2005 by Easy Software Products.
  *
diff --git a/data/media.defs b/data/media.defs
index 179552d624..f1369f6547 100644
--- a/data/media.defs
+++ b/data/media.defs
@@ -1,6 +1,7 @@
 /*
  * Adobe standard media size definitions for the CUPS PPD file compiler.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2007-2016 by Apple Inc.
  * Copyright © 1997-2005 by Easy Software Products.
  *
diff --git a/data/raster.defs b/data/raster.defs
index 278aac0492..830498d181 100644
--- a/data/raster.defs
+++ b/data/raster.defs
@@ -2,6 +2,7 @@
  * This file contains the standard definitions for enumerated attributes
  * in the CUPS raster page device dictionary.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2007-2018 by Apple Inc.
  * Copyright © 1997-2005 by Easy Software Products.
  *
diff --git a/desktop/Makefile b/desktop/Makefile
index 6e7eb4f2f6..0cfda9addd 100644
--- a/desktop/Makefile
+++ b/desktop/Makefile
@@ -1,6 +1,7 @@
 #
 # Desktop makefile for CUPS.
 #
+# Copyright © 2020-2024 by OpenPrinting.
 # Copyright 2007-2009 by Apple Inc.
 # Copyright 1993-2006 by Easy Software Products.
 #
diff --git a/doc/Makefile b/doc/Makefile
index 5ce55e4028..89ec7c729d 100644
--- a/doc/Makefile
+++ b/doc/Makefile
@@ -1,7 +1,7 @@
 #
 # Documentation makefile for CUPS.
 #
-# Copyright © 2021-2023 by OpenPrinting.
+# Copyright © 2020-2024 by OpenPrinting.
 # Copyright © 2007-2019 by Apple Inc.
 # Copyright © 1997-2007 by Easy Software Products.
 #
diff --git a/doc/help/api-admin.html b/doc/help/api-admin.html
index 62b91c6480..c357a23485 100644
--- a/doc/help/api-admin.html
+++ b/doc/help/api-admin.html
@@ -249,6 +249,7 @@
 <!--
   Administrative API header for CUPS.
 
+  Copyright © 2020-2024 by OpenPrinting.
   Copyright © 2016 by Apple Inc.
 
   Licensed under Apache License v2.0.  See the file "LICENSE" for more
diff --git a/doc/help/api-filter.html b/doc/help/api-filter.html
index c56d63185e..23fb5fb9dc 100644
--- a/doc/help/api-filter.html
+++ b/doc/help/api-filter.html
@@ -249,6 +249,7 @@
 <!--
   Filter and backend programming header for CUPS.
 
+  Copyright © 2020-2024 by OpenPrinting.
   Copyright © 2008-2016 by Apple Inc.
 
   Licensed under Apache License v2.0.  See the file "LICENSE" for more
diff --git a/doc/help/api-ppd.html b/doc/help/api-ppd.html
index 8873a6cd55..5f80f5c38e 100644
--- a/doc/help/api-ppd.html
+++ b/doc/help/api-ppd.html
@@ -249,6 +249,7 @@
 <!--
   PPD API header for CUPS.
 
+  Copyright © 2020-2024 by OpenPrinting.
   Copyright © 2008-2019 by Apple Inc.
 
   Licensed under Apache License v2.0.  See the file "LICENSE" for more
diff --git a/doc/help/cupspm.html b/doc/help/cupspm.html
index f5da8fe9fd..3d692970d8 100644
--- a/doc/help/cupspm.html
+++ b/doc/help/cupspm.html
@@ -8,7 +8,7 @@
 <meta name="generator" content="codedoc v3.7">
 <meta name="author" content="Michael R Sweet">
 <meta name="language" content="en-US">
-<meta name="copyright" content="Copyright © 2021-2023 by OpenPrinting. All Rights Reserved.">
+<meta name="copyright" content="Copyright © 2020-2024 by OpenPrinting. All Rights Reserved.">
 <meta name="version" content="2.4.0">
 <style type="text/css"><!--
 body {
@@ -248,7 +248,7 @@
 <div class="header">
 <h1 class="title">CUPS Programming Manual</h1>
 <p>Michael R Sweet</p>
-<p>Copyright © 2021-2023 by OpenPrinting. All Rights Reserved.</p>
+<p>Copyright © 2020-2024 by OpenPrinting. All Rights Reserved.</p>
 </div>
 <div class="contents">
 <h2 class="title">Contents</h2>
diff --git a/doc/help/man-backend.html b/doc/help/man-backend.html
index 07febd9676..4912ae17d8 100644
--- a/doc/help/man-backend.html
+++ b/doc/help/man-backend.html
@@ -194,7 +194,7 @@ <h2 class="title"><a name="SEE_ALSO">See Also</a></h2>
 <br>
 CUPS Online Help (<a href="http://localhost:631/help">http://localhost:631/help</a>)
 <h2 class="title"><a name="COPYRIGHT">Copyright</a></h2>
-Copyright &copy; 2021-2023 by OpenPrinting.
+Copyright &copy; 2020-2024 by OpenPrinting.
 
 </body>
 </html>
diff --git a/doc/help/man-cancel.html b/doc/help/man-cancel.html
index 068e8611b7..90f543d6f4 100644
--- a/doc/help/man-cancel.html
+++ b/doc/help/man-cancel.html
@@ -81,7 +81,7 @@ <h2 class="title"><a name="SEE_ALSO">See Also</a></h2>
 <a href="man-lpstat.html?TOPIC=Man+Pages"><b>lpstat</b>(1),</a>
 CUPS Online Help (<a href="http://localhost:631/help">http://localhost:631/help</a>)
 <h2 class="title"><a name="COPYRIGHT">Copyright</a></h2>
-Copyright &copy; 2021-2023 by OpenPrinting.
+Copyright &copy; 2020-2024 by OpenPrinting.
 
 </body>
 </html>
diff --git a/doc/help/man-classes.conf.html b/doc/help/man-classes.conf.html
index b1ed9e6f9a..07bed31de4 100644
--- a/doc/help/man-classes.conf.html
+++ b/doc/help/man-classes.conf.html
@@ -26,7 +26,7 @@ <h2 class="title"><a name="SEE_ALSO">See Also</a></h2>
 <a href="man-subscriptions.conf.html?TOPIC=Man+Pages"><b>subscriptions.conf</b>(5),</a>
 CUPS Online Help (<a href="http://localhost:631/help">http://localhost:631/help</a>)
 <h2 class="title"><a name="COPYRIGHT">Copyright</a></h2>
-Copyright &copy; 2021-2023 by OpenPrinting.
+Copyright &copy; 2020-2024 by OpenPrinting.
 
 </body>
 </html>
diff --git a/doc/help/man-client.conf.html b/doc/help/man-client.conf.html
index 1e4815b4c7..81cd73a1a6 100644
--- a/doc/help/man-client.conf.html
+++ b/doc/help/man-client.conf.html
@@ -102,7 +102,7 @@ <h2 class="title"><a name="SEE_ALSO">See Also</a></h2>
 <b>default</b>(1),
 CUPS Online Help (<a href="http://localhost:631/help">http://localhost:631/help</a>)
 <h2 class="title"><a name="COPYRIGHT">Copyright</a></h2>
-Copyright &copy; 2021-2023 by OpenPrinting.
+Copyright &copy; 2020-2024 by OpenPrinting.
 
 </body>
 </html>
diff --git a/doc/help/man-cups-config.html b/doc/help/man-cups-config.html
index ed8adc03f3..e956485b9c 100644
--- a/doc/help/man-cups-config.html
+++ b/doc/help/man-cups-config.html
@@ -101,7 +101,7 @@ <h2 class="title"><a name="SEE_ALSO">See Also</a></h2>
 <b>pkg-config</b>(1),
 CUPS Online Help (<a href="http://localhost:631/help">http://localhost:631/help</a>)
 <h2 class="title"><a name="COPYRIGHT">Copyright</a></h2>
-Copyright &copy; 2021-2023 by OpenPrinting.
+Copyright &copy; 2020-2024 by OpenPrinting.
 
 </body>
 </html>
diff --git a/doc/help/man-cups-snmp.conf.html b/doc/help/man-cups-snmp.conf.html
index b8e42cd39f..abc8cae619 100644
--- a/doc/help/man-cups-snmp.conf.html
+++ b/doc/help/man-cups-snmp.conf.html
@@ -54,7 +54,7 @@ <h2 class="title"><a name="SEE_ALSO">See Also</a></h2>
 <a href="man-cups-snmp.html?TOPIC=Man+Pages"><b>cups-snmp</b>(8),</a>
 CUPS Online Help (<a href="http://localhost:631/help">http://localhost:631/help</a>)
 <h2 class="title"><a name="COPYRIGHT">Copyright</a></h2>
-Copyright &copy; 2021-2023 by OpenPrinting.
+Copyright &copy; 2020-2024 by OpenPrinting.
 
 </body>
 </html>
diff --git a/doc/help/man-cups-snmp.html b/doc/help/man-cups-snmp.html
index 4c823ca402..e5e72c7924 100644
--- a/doc/help/man-cups-snmp.html
+++ b/doc/help/man-cups-snmp.html
@@ -51,7 +51,7 @@ <h2 class="title"><a name="SEE_ALSO">See Also</a></h2>
 <a href="man-lpinfo.html?TOPIC=Man+Pages"><b>lpinfo</b>(8),</a>
 CUPS Online Help (<a href="http://localhost:631/help">http://localhost:631/help</a>)
 <h2 class="title"><a name="COPYRIGHT">Copyright</a></h2>
-Copyright &copy; 2021-2023 by OpenPrinting.
+Copyright &copy; 2020-2024 by OpenPrinting.
 
 </body>
 </html>
diff --git a/doc/help/man-cups.html b/doc/help/man-cups.html
index 5dd1a559aa..1ddeaa494d 100644
--- a/doc/help/man-cups.html
+++ b/doc/help/man-cups.html
@@ -117,7 +117,7 @@ <h2 class="title"><a name="SEE_ALSO">See Also</a></h2>
 OpenPrinting CUPS Web Site (<a href="https://openprinting.github.io/cups">https://openprinting.github.io/cups</a>),
 PWG Internet Printing Protocol Workgroup (<a href="http://www.pwg.org/ipp">http://www.pwg.org/ipp</a>)
 <h2 class="title"><a name="COPYRIGHT">Copyright</a></h2>
-Copyright &copy; 2021-2023 by OpenPrinting.
+Copyright &copy; 2020-2024 by OpenPrinting.
 
 </body>
 </html>
diff --git a/doc/help/man-cupsaccept.html b/doc/help/man-cupsaccept.html
index dc6716f929..c35d24231d 100644
--- a/doc/help/man-cupsaccept.html
+++ b/doc/help/man-cupsaccept.html
@@ -78,7 +78,7 @@ <h2 class="title"><a name="SEE_ALSO">See Also</a></h2>
 <br>
 CUPS Online Help (<a href="http://localhost:631/help">http://localhost:631/help</a>)
 <h2 class="title"><a name="COPYRIGHT">Copyright</a></h2>
-Copyright &copy; 2021-2023 by OpenPrinting.
+Copyright &copy; 2020-2024 by OpenPrinting.
 
 </body>
 </html>
diff --git a/doc/help/man-cupsctl.html b/doc/help/man-cupsctl.html
index 6ddf30bc62..6b7ec2ab76 100644
--- a/doc/help/man-cupsctl.html
+++ b/doc/help/man-cupsctl.html
@@ -85,7 +85,7 @@ <h2 class="title"><a name="SEE_ALSO">See Also</a></h2>
 <br>
 CUPS Online Help (<a href="http://localhost:631/help">http://localhost:631/help</a>)
 <h2 class="title"><a name="COPYRIGHT">Copyright</a></h2>
-Copyright &copy; 2021-2023 by OpenPrinting.
+Copyright &copy; 2020-2024 by OpenPrinting.
 
 </body>
 </html>
diff --git a/doc/help/man-cupsd-helper.html b/doc/help/man-cupsd-helper.html
index f4532df4c2..55301c7cb7 100644
--- a/doc/help/man-cupsd-helper.html
+++ b/doc/help/man-cupsd-helper.html
@@ -81,7 +81,7 @@ <h2 class="title"><a name="SEE_ALSO">See Also</a></h2>
 <a href="man-ppdcfile.html?TOPIC=Man+Pages"><b>ppdcfile</b>(5),</a>
 CUPS Online Help (<a href="http://localhost:631/help">http://localhost:631/help</a>)
 <h2 class="title"><a name="COPYRIGHT">Copyright</a></h2>
-Copyright &copy; 2021-2023 by OpenPrinting.
+Copyright &copy; 2020-2024 by OpenPrinting.
 
 </body>
 </html>
diff --git a/doc/help/man-cupsd-logs.html b/doc/help/man-cupsd-logs.html
index 2f79573ac6..59ca9b0418 100644
--- a/doc/help/man-cupsd-logs.html
+++ b/doc/help/man-cupsd-logs.html
@@ -172,7 +172,7 @@ <h2 class="title"><a name="SEE_ALSO">See Also</a></h2>
 <a href="man-cups-files.conf.html?TOPIC=Man+Pages"><b>cups-files.conf</b>(5),</a>
 CUPS Online Help (<a href="http://localhost:631/help">http://localhost:631/help</a>)
 <h2 class="title"><a name="COPYRIGHT">Copyright</a></h2>
-Copyright &copy; 2021-2023 by OpenPrinting.
+Copyright &copy; 2020-2024 by OpenPrinting.
 
 </body>
 </html>
diff --git a/doc/help/man-cupsd.html b/doc/help/man-cupsd.html
index c232b18e87..d1947703b9 100644
--- a/doc/help/man-cupsd.html
+++ b/doc/help/man-cupsd.html
@@ -114,7 +114,7 @@ <h2 class="title"><a name="SEE_ALSO">See Also</a></h2>
 <b>systemd</b>(8),
 CUPS Online Help (<a href="http://localhost:631/help">http://localhost:631/help</a>)
 <h2 class="title"><a name="COPYRIGHT">Copyright</a></h2>
-Copyright &copy; 2021-2023 by OpenPrinting.
+Copyright &copy; 2020-2024 by OpenPrinting.
 
 </body>
 </html>
diff --git a/doc/help/man-cupsenable.html b/doc/help/man-cupsenable.html
index 8c289a1820..63b19fc25a 100644
--- a/doc/help/man-cupsenable.html
+++ b/doc/help/man-cupsenable.html
@@ -86,7 +86,7 @@ <h2 class="title"><a name="SEE_ALSO">See Also</a></h2>
 <a href="man-lpstat.html?TOPIC=Man+Pages"><b>lpstat</b>(1),</a>
 CUPS Online Help (<a href="http://localhost:631/help">http://localhost:631/help</a>)
 <h2 class="title"><a name="COPYRIGHT">Copyright</a></h2>
-Copyright &copy; 2021-2023 by OpenPrinting.
+Copyright &copy; 2020-2024 by OpenPrinting.
 
 </body>
 </html>
diff --git a/doc/help/man-cupsfilter.html b/doc/help/man-cupsfilter.html
index 187e888c8f..bfef0b2a44 100644
--- a/doc/help/man-cupsfilter.html
+++ b/doc/help/man-cupsfilter.html
@@ -122,7 +122,7 @@ <h2 class="title"><a name="SEE_ALSO">See Also</a></h2>
 <b>mime.types</b>(7),
 CUPS Online Help (<a href="http://localhost:631/help">http://localhost:631/help</a>)
 <h2 class="title"><a name="COPYRIGHT">Copyright</a></h2>
-Copyright &copy; 2021-2023 by OpenPrinting.
+Copyright &copy; 2020-2024 by OpenPrinting.
 
 </body>
 </html>
diff --git a/doc/help/man-cupstestppd.html b/doc/help/man-cupstestppd.html
index 0c0a7494df..1895156663 100644
--- a/doc/help/man-cupstestppd.html
+++ b/doc/help/man-cupstestppd.html
@@ -123,7 +123,7 @@ <h2 class="title"><a name="SEE_ALSO">See Also</a></h2>
 CUPS Online Help (<a href="http://localhost:631/help">http://localhost:631/help</a>),
 Adobe PostScript Printer Description File Format Specification, Version 4.3.
 <h2 class="title"><a name="COPYRIGHT">Copyright</a></h2>
-Copyright &copy; 2021-2023 by OpenPrinting.
+Copyright &copy; 2020-2024 by OpenPrinting.
 
 </body>
 </html>
diff --git a/doc/help/man-filter.html b/doc/help/man-filter.html
index eae8554e49..d3a63a003c 100644
--- a/doc/help/man-filter.html
+++ b/doc/help/man-filter.html
@@ -181,7 +181,7 @@ <h2 class="title"><a name="SEE_ALSO">See Also</a></h2>
 <br>
 CUPS Online Help (<a href="http://localhost:631/help">http://localhost:631/help</a>)
 <h2 class="title"><a name="COPYRIGHT">Copyright</a></h2>
-Copyright &copy; 2021-2023 by OpenPrinting.
+Copyright &copy; 2020-2024 by OpenPrinting.
 
 </body>
 </html>
diff --git a/doc/help/man-ippevepcl.html b/doc/help/man-ippevepcl.html
index 0ee571cc80..b9f204118d 100644
--- a/doc/help/man-ippevepcl.html
+++ b/doc/help/man-ippevepcl.html
@@ -43,7 +43,7 @@ <h2 class="title"><a name="ENVIRONMENT">Environment</a></h2>
 <h2 class="title"><a name="SEE_ALSO">See Also</a></h2>
 <b>ippeveprinter</b>(8)
 <h2 class="title"><a name="COPYRIGHT">Copyright</a></h2>
-Copyright &copy; 2021-2023 by OpenPrinting.
+Copyright &copy; 2020-2024 by OpenPrinting.
 
 </body>
 </html>
diff --git a/doc/help/man-ippeveprinter.html b/doc/help/man-ippeveprinter.html
index a07af8610d..b1373a2060 100644
--- a/doc/help/man-ippeveprinter.html
+++ b/doc/help/man-ippeveprinter.html
@@ -235,7 +235,7 @@ <h2 class="title"><a name="SEE_ALSO">See Also</a></h2>
 <b>ippeveps</b>(7),
 PWG Internet Printing Protocol Workgroup (<a href="http://www.pwg.org/ipp">http://www.pwg.org/ipp</a>)
 <h2 class="title"><a name="COPYRIGHT">Copyright</a></h2>
-Copyright &copy; 2021-2023 by OpenPrinting.
+Copyright &copy; 2020-2024 by OpenPrinting.
 
 </body>
 </html>
diff --git a/doc/help/man-ippfind.html b/doc/help/man-ippfind.html
index be1f60ab0c..77c5fd4a14 100644
--- a/doc/help/man-ippfind.html
+++ b/doc/help/man-ippfind.html
@@ -199,7 +199,7 @@ <h2 class="title"><a name="EXAMPLES">Examples</a></h2>
 <h2 class="title"><a name="SEE_ALSO">See Also</a></h2>
 <a href="man-ipptool.html?TOPIC=Man+Pages"><b>ipptool</b>(1)</a>
 <h2 class="title"><a name="COPYRIGHT">Copyright</a></h2>
-Copyright &copy; 2021-2023 by OpenPrinting.
+Copyright &copy; 2020-2024 by OpenPrinting.
 
 </body>
 </html>
diff --git a/doc/help/man-ipptool.html b/doc/help/man-ipptool.html
index a11dde8a7e..91b2a1c0fb 100644
--- a/doc/help/man-ipptool.html
+++ b/doc/help/man-ipptool.html
@@ -229,7 +229,7 @@ <h2 class="title"><a name="SEE_ALSO">See Also</a></h2>
 PWG Internet Printing Protocol Workgroup (<a href="https://www.pwg.org/ipp">https://www.pwg.org/ipp</a>)
 RFC 8011 (<a href="https://datatracker.ietf.org/doc/html/rfc8011">https://datatracker.ietf.org/doc/html/rfc8011</a>),
 <h2 class="title"><a name="COPYRIGHT">Copyright</a></h2>
-Copyright &copy; 2021-2023 by OpenPrinting.
+Copyright &copy; 2020-2024 by OpenPrinting.
 
 </body>
 </html>
diff --git a/doc/help/man-ipptoolfile.html b/doc/help/man-ipptoolfile.html
index 7c704bea2a..0696018104 100644
--- a/doc/help/man-ipptoolfile.html
+++ b/doc/help/man-ipptoolfile.html
@@ -591,7 +591,7 @@ <h2 class="title"><a name="SEE_ALSO">See Also</a></h2>
 PWG Internet Printing Protocol Workgroup (<a href="https://www.pwg.org/ipp">https://www.pwg.org/ipp</a>),
 RFC 8011 (<a href="https://datatracker.ietf.org/doc/html/rfc8011">https://datatracker.ietf.org/doc/html/rfc8011</a>)
 <h2 class="title"><a name="COPYRIGHT">Copyright</a></h2>
-Copyright &copy; 2021-2023 by OpenPrinting.
+Copyright &copy; 2020-2024 by OpenPrinting.
 
 </body>
 </html>
diff --git a/doc/help/man-lp.html b/doc/help/man-lp.html
index b7754b468b..00002be6dc 100644
--- a/doc/help/man-lp.html
+++ b/doc/help/man-lp.html
@@ -195,7 +195,7 @@ <h2 class="title"><a name="SEE_ALSO">See Also</a></h2>
 <a href="man-lpstat.html?TOPIC=Man+Pages"><b>lpstat</b>(1),</a>
 CUPS Online Help (<a href="http://localhost:631/help">http://localhost:631/help</a>)
 <h2 class="title"><a name="COPYRIGHT">Copyright</a></h2>
-Copyright &copy; 2021-2023 by OpenPrinting.
+Copyright &copy; 2020-2024 by OpenPrinting.
 
 </body>
 </html>
diff --git a/doc/help/man-lpadmin.html b/doc/help/man-lpadmin.html
index 8ef2ecc8d7..4e0106920e 100644
--- a/doc/help/man-lpadmin.html
+++ b/doc/help/man-lpadmin.html
@@ -191,7 +191,7 @@ <h2 class="title"><a name="SEE_ALSO">See Also</a></h2>
 <a href="man-lpoptions.html?TOPIC=Man+Pages"><b>lpoptions</b>(1),</a>
 CUPS Online Help (<a href="http://localhost:631/help">http://localhost:631/help</a>)
 <h2 class="title"><a name="COPYRIGHT">Copyright</a></h2>
-Copyright &copy; 2021-2023 by OpenPrinting.
+Copyright &copy; 2020-2024 by OpenPrinting.
 
 </body>
 </html>
diff --git a/doc/help/man-lpc.html b/doc/help/man-lpc.html
index 8a4764439c..42fe66385a 100644
--- a/doc/help/man-lpc.html
+++ b/doc/help/man-lpc.html
@@ -49,7 +49,7 @@ <h2 class="title"><a name="SEE_ALSO">See Also</a></h2>
 <a href="man-lpstat.html?TOPIC=Man+Pages"><b>lpstat</b>(1),</a>
 CUPS Online Help (<a href="http://localhost:631/help">http://localhost:631/help</a>)
 <h2 class="title"><a name="COPYRIGHT">Copyright</a></h2>
-Copyright &copy; 2021-2023 by OpenPrinting.
+Copyright &copy; 2020-2024 by OpenPrinting.
 
 </body>
 </html>
diff --git a/doc/help/man-lpinfo.html b/doc/help/man-lpinfo.html
index 4d973bce9d..6c702ed8b9 100644
--- a/doc/help/man-lpinfo.html
+++ b/doc/help/man-lpinfo.html
@@ -111,7 +111,7 @@ <h2 class="title"><a name="SEE_ALSO">See Also</a></h2>
 <a href="man-lpadmin.html?TOPIC=Man+Pages"><b>lpadmin</b>(8),</a>
 CUPS Online Help (<a href="http://localhost:631/help">http://localhost:631/help</a>)
 <h2 class="title"><a name="COPYRIGHT">Copyright</a></h2>
-Copyright &copy; 2021-2023 by OpenPrinting.
+Copyright &copy; 2020-2024 by OpenPrinting.
 
 </body>
 </html>
diff --git a/doc/help/man-lpmove.html b/doc/help/man-lpmove.html
index 9ccbe52b9d..1b8fc32410 100644
--- a/doc/help/man-lpmove.html
+++ b/doc/help/man-lpmove.html
@@ -68,7 +68,7 @@ <h2 class="title"><a name="SEE_ALSO">See Also</a></h2>
 <br>
 CUPS Online Help (<a href="http://localhost:631/help">http://localhost:631/help</a>)
 <h2 class="title"><a name="COPYRIGHT">Copyright</a></h2>
-Copyright &copy; 2021-2023 by OpenPrinting.
+Copyright &copy; 2020-2024 by OpenPrinting.
 
 </body>
 </html>
diff --git a/doc/help/man-lpoptions.html b/doc/help/man-lpoptions.html
index a29937da24..cf71723dae 100644
--- a/doc/help/man-lpoptions.html
+++ b/doc/help/man-lpoptions.html
@@ -106,7 +106,7 @@ <h2 class="title"><a name="SEE_ALSO">See Also</a></h2>
 <a href="man-lprm.html?TOPIC=Man+Pages"><b>lprm</b>(1),</a>
 CUPS Online Help (<a href="http://localhost:631/help">http://localhost:631/help</a>)
 <h2 class="title"><a name="COPYRIGHT">Copyright</a></h2>
-Copyright &copy; 2021-2023 by OpenPrinting.
+Copyright &copy; 2020-2024 by OpenPrinting.
 
 </body>
 </html>
diff --git a/doc/help/man-lpq.html b/doc/help/man-lpq.html
index a791d075a5..dffb3220c7 100644
--- a/doc/help/man-lpq.html
+++ b/doc/help/man-lpq.html
@@ -56,7 +56,7 @@ <h2 class="title"><a name="SEE_ALSO">See Also</a></h2>
 <a href="man-lpstat.html?TOPIC=Man+Pages"><b>lpstat</b>(1),</a>
 CUPS Online Help (<a href="http://localhost:631/help">http://localhost:631/help</a>)
 <h2 class="title"><a name="COPYRIGHT">Copyright</a></h2>
-Copyright &copy; 2021-2023 by OpenPrinting.
+Copyright &copy; 2020-2024 by OpenPrinting.
 
 </body>
 </html>
diff --git a/doc/help/man-lpr.html b/doc/help/man-lpr.html
index ee2679ac81..b4e9f29fb8 100644
--- a/doc/help/man-lpr.html
+++ b/doc/help/man-lpr.html
@@ -152,7 +152,7 @@ <h2 class="title"><a name="SEE_ALSO">See Also</a></h2>
 <a href="man-lpstat.html?TOPIC=Man+Pages"><b>lpstat</b>(1),</a>
 CUPS Online Help (<a href="http://localhost:631/help">http://localhost:631/help</a>)
 <h2 class="title"><a name="COPYRIGHT">Copyright</a></h2>
-Copyright &copy; 2021-2023 by OpenPrinting.
+Copyright &copy; 2020-2024 by OpenPrinting.
 
 </body>
 </html>
diff --git a/doc/help/man-lprm.html b/doc/help/man-lprm.html
index 93547d4469..6f5cb79da2 100644
--- a/doc/help/man-lprm.html
+++ b/doc/help/man-lprm.html
@@ -73,7 +73,7 @@ <h2 class="title"><a name="SEE_ALSO">See Also</a></h2>
 <a href="man-lpstat.html?TOPIC=Man+Pages"><b>lpstat</b>(1),</a>
 CUPS Online Help (<a href="http://localhost:631/help">http://localhost:631/help</a>)
 <h2 class="title"><a name="COPYRIGHT">Copyright</a></h2>
-Copyright &copy; 2021-2023 by OpenPrinting.
+Copyright &copy; 2020-2024 by OpenPrinting.
 
 </body>
 </html>
diff --git a/doc/help/man-lpstat.html b/doc/help/man-lpstat.html
index aed35f3bda..d0585c881e 100644
--- a/doc/help/man-lpstat.html
+++ b/doc/help/man-lpstat.html
@@ -128,7 +128,7 @@ <h2 class="title"><a name="SEE_ALSO">See Also</a></h2>
 <a href="man-lprm.html?TOPIC=Man+Pages"><b>lprm</b>(1),</a>
 CUPS Online Help (<a href="http://localhost:631/help">http://localhost:631/help</a>)
 <h2 class="title"><a name="COPYRIGHT">Copyright</a></h2>
-Copyright &copy; 2021-2023 by OpenPrinting.
+Copyright &copy; 2020-2024 by OpenPrinting.
 
 </body>
 </html>
diff --git a/doc/help/man-mailto.conf.html b/doc/help/man-mailto.conf.html
index 1cf4275650..3ac9b31a11 100644
--- a/doc/help/man-mailto.conf.html
+++ b/doc/help/man-mailto.conf.html
@@ -36,7 +36,7 @@ <h2 class="title"><a name="SEE_ALSO">See Also</a></h2>
 <a href="man-cupsd.html?TOPIC=Man+Pages"><b>cupsd</b>(8),</a>
 CUPS Online Help (<a href="http://localhost:631/help">http://localhost:631/help</a>)
 <h2 class="title"><a name="COPYRIGHT">Copyright</a></h2>
-Copyright &copy; 2021-2023 by OpenPrinting.
+Copyright &copy; 2020-2024 by OpenPrinting.
 
 </body>
 </html>
diff --git a/doc/help/man-mime.convs.html b/doc/help/man-mime.convs.html
index 7917c10a7b..c0872e7b4b 100644
--- a/doc/help/man-mime.convs.html
+++ b/doc/help/man-mime.convs.html
@@ -51,7 +51,7 @@ <h2 class="title"><a name="SEE_ALSO">See Also</a></h2>
 <a href="man-mime.types.html?TOPIC=Man+Pages"><b>mime.types</b>(5),</a>
 CUPS Online Help (<a href="http://localhost:631/help">http://localhost:631/help</a>)
 <h2 class="title"><a name="COPYRIGHT">Copyright</a></h2>
-Copyright &copy; 2021-2023 by OpenPrinting.
+Copyright &copy; 2020-2024 by OpenPrinting.
 
 </body>
 </html>
diff --git a/doc/help/man-mime.types.html b/doc/help/man-mime.types.html
index 6f6702e1f8..f60fd56697 100644
--- a/doc/help/man-mime.types.html
+++ b/doc/help/man-mime.types.html
@@ -88,7 +88,7 @@ <h2 class="title"><a name="SEE_ALSO">See Also</a></h2>
 <a href="man-mime.convs.html?TOPIC=Man+Pages"><b>mime.convs</b>(5),</a>
 CUPS Online Help (<a href="http://localhost:631/help">http://localhost:631/help</a>)
 <h2 class="title"><a name="COPYRIGHT">Copyright</a></h2>
-Copyright &copy; 2021-2023 by OpenPrinting.
+Copyright &copy; 2020-2024 by OpenPrinting.
 
 </body>
 </html>
diff --git a/doc/help/man-notifier.html b/doc/help/man-notifier.html
index 4da22f1337..5229a16003 100644
--- a/doc/help/man-notifier.html
+++ b/doc/help/man-notifier.html
@@ -31,7 +31,7 @@ <h2 class="title"><a name="SEE_ALSO">See Also</a></h2>
 <a href="man-filter.html?TOPIC=Man+Pages"><b>filter</b>(7),</a>
 CUPS Online Help (<a href="http://localhost:631/help">http://localhost:631/help</a>)
 <h2 class="title"><a name="COPYRIGHT">Copyright</a></h2>
-Copyright &copy; 2021-2023 by OpenPrinting.
+Copyright &copy; 2020-2024 by OpenPrinting.
 
 </body>
 </html>
diff --git a/doc/help/man-ppdc.html b/doc/help/man-ppdc.html
index f12d23f1ca..63169c6784 100644
--- a/doc/help/man-ppdc.html
+++ b/doc/help/man-ppdc.html
@@ -89,7 +89,7 @@ <h2 class="title"><a name="SEE_ALSO">See Also</a></h2>
 <a href="man-ppdcfile.html?TOPIC=Man+Pages"><b>ppdcfile</b>(5),</a>
 CUPS Online Help (<a href="http://localhost:631/help">http://localhost:631/help</a>)
 <h2 class="title"><a name="COPYRIGHT">Copyright</a></h2>
-Copyright &copy; 2021-2023 by OpenPrinting.
+Copyright &copy; 2020-2024 by OpenPrinting.
 
 </body>
 </html>
diff --git a/doc/help/man-ppdcfile.html b/doc/help/man-ppdcfile.html
index b6e84ea650..c155dcd6dd 100644
--- a/doc/help/man-ppdcfile.html
+++ b/doc/help/man-ppdcfile.html
@@ -93,7 +93,7 @@ <h2 class="title"><a name="SEE_ALSO">See Also</a></h2>
 <a href="man-ppdpo.html?TOPIC=Man+Pages"><b>ppdpo</b>(1),</a>
 CUPS Online Help (<a href="http://localhost:631/help">http://localhost:631/help</a>)
 <h2 class="title"><a name="COPYRIGHT">Copyright</a></h2>
-Copyright &copy; 2021-2023 by OpenPrinting.
+Copyright &copy; 2020-2024 by OpenPrinting.
 
 </body>
 </html>
diff --git a/doc/help/man-ppdhtml.html b/doc/help/man-ppdhtml.html
index f618b22f26..3474e37846 100644
--- a/doc/help/man-ppdhtml.html
+++ b/doc/help/man-ppdhtml.html
@@ -43,7 +43,7 @@ <h2 class="title"><a name="SEE_ALSO">See Also</a></h2>
 <a href="man-ppdpo.html?TOPIC=Man+Pages"><b>ppdpo</b>(1),</a>
 CUPS Online Help (<a href="http://localhost:631/help">http://localhost:631/help</a>)
 <h2 class="title"><a name="COPYRIGHT">Copyright</a></h2>
-Copyright &copy; 2021-2023 by OpenPrinting.
+Copyright &copy; 2020-2024 by OpenPrinting.
 
 </body>
 </html>
diff --git a/doc/help/man-ppdi.html b/doc/help/man-ppdi.html
index bbbc44c9e6..951f3747e2 100644
--- a/doc/help/man-ppdi.html
+++ b/doc/help/man-ppdi.html
@@ -50,7 +50,7 @@ <h2 class="title"><a name="SEE_ALSO">See Also</a></h2>
 <a href="man-ppdcfile.html?TOPIC=Man+Pages"><b>ppdcfile</b>(5),</a>
 CUPS Online Help (<a href="http://localhost:631/help">http://localhost:631/help</a>)
 <h2 class="title"><a name="COPYRIGHT">Copyright</a></h2>
-Copyright &copy; 2021-2023 by OpenPrinting.
+Copyright &copy; 2020-2024 by OpenPrinting.
 
 </body>
 </html>
diff --git a/doc/help/man-ppdmerge.html b/doc/help/man-ppdmerge.html
index 650622be19..d3a1aac4ef 100644
--- a/doc/help/man-ppdmerge.html
+++ b/doc/help/man-ppdmerge.html
@@ -46,7 +46,7 @@ <h2 class="title"><a name="SEE_ALSO">See Also</a></h2>
 <a href="man-ppdcfile.html?TOPIC=Man+Pages"><b>ppdcfile</b>(5),</a>
 CUPS Online Help (<a href="http://localhost:631/help">http://localhost:631/help</a>)
 <h2 class="title"><a name="COPYRIGHT">Copyright</a></h2>
-Copyright &copy; 2021-2023 by OpenPrinting.
+Copyright &copy; 2020-2024 by OpenPrinting.
 
 </body>
 </html>
diff --git a/doc/help/man-ppdpo.html b/doc/help/man-ppdpo.html
index 824d1eaabc..3acb056491 100644
--- a/doc/help/man-ppdpo.html
+++ b/doc/help/man-ppdpo.html
@@ -49,7 +49,7 @@ <h2 class="title"><a name="SEE_ALSO">See Also</a></h2>
 <b>ppdcfile(5),</b>
 CUPS Online Help (<a href="http://localhost:631/help">http://localhost:631/help</a>)
 <h2 class="title"><a name="COPYRIGHT">Copyright</a></h2>
-Copyright &copy; 2021-2023 by OpenPrinting.
+Copyright &copy; 2020-2024 by OpenPrinting.
 
 </body>
 </html>
diff --git a/doc/help/man-printers.conf.html b/doc/help/man-printers.conf.html
index 1935b4c850..7bb6b25a4c 100644
--- a/doc/help/man-printers.conf.html
+++ b/doc/help/man-printers.conf.html
@@ -25,7 +25,7 @@ <h2 class="title"><a name="SEE_ALSO">See Also</a></h2>
 <a href="man-subscriptions.conf.html?TOPIC=Man+Pages"><b>subscriptions.conf</b>(5),</a>
 CUPS Online Help (<a href="http://localhost:631/help">http://localhost:631/help</a>)
 <h2 class="title"><a name="COPYRIGHT">Copyright</a></h2>
-Copyright &copy; 2021-2023 by OpenPrinting.
+Copyright &copy; 2020-2024 by OpenPrinting.
 
 </body>
 </html>
diff --git a/doc/help/man-subscriptions.conf.html b/doc/help/man-subscriptions.conf.html
index 9ac69df0d7..3447ea9a19 100644
--- a/doc/help/man-subscriptions.conf.html
+++ b/doc/help/man-subscriptions.conf.html
@@ -27,7 +27,7 @@ <h2 class="title"><a name="SEE_ALSO">See Also</a></h2>
 <a href="man-printers.conf.html?TOPIC=Man+Pages"><b>printers.conf</b>(5),</a>
 CUPS Online Help (<a href="http://localhost:631/help">http://localhost:631/help</a>)
 <h2 class="title"><a name="COPYRIGHT">Copyright</a></h2>
-Copyright &copy; 2021-2023 by OpenPrinting.
+Copyright &copy; 2020-2024 by OpenPrinting.
 
 </body>
 </html>
diff --git a/doc/help/postscript-driver.html b/doc/help/postscript-driver.html
index 2275ea6b3a..0a27832d18 100644
--- a/doc/help/postscript-driver.html
+++ b/doc/help/postscript-driver.html
@@ -249,6 +249,7 @@
 <!--
   PostScript printer driver documentation for CUPS.
 
+  Copyright © 2020-2024 by OpenPrinting.
   Copyright © 2007-2012 by Apple Inc.
   Copyright © 1997-2007 by Easy Software Products.
 
diff --git a/doc/help/ppd-compiler.html b/doc/help/ppd-compiler.html
index 9f917622f0..f76528307a 100644
--- a/doc/help/ppd-compiler.html
+++ b/doc/help/ppd-compiler.html
@@ -249,6 +249,7 @@
 <!--
   PPD compiler documentation for CUPS.
 
+  Copyright © 2020-2024 by OpenPrinting.
   Copyright © 2007-2012 by Apple Inc.
   Copyright © 1997-2007 by Easy Software Products.
 
diff --git a/doc/help/raster-driver.html b/doc/help/raster-driver.html
index b9f40254cd..b8e5b75d4c 100644
--- a/doc/help/raster-driver.html
+++ b/doc/help/raster-driver.html
@@ -249,6 +249,7 @@
 <!--
   Raster printer driver documentation for CUPS.
 
+  Copyright © 2020-2024 by OpenPrinting.
   Copyright © 2007-2018 by Apple Inc.
   Copyright © 1997-2007 by Easy Software Products.
 
diff --git a/doc/help/spec-banner.html b/doc/help/spec-banner.html
index bacd4a978b..62b40269d1 100644
--- a/doc/help/spec-banner.html
+++ b/doc/help/spec-banner.html
@@ -10,7 +10,7 @@
 <!--
   Banner file format specification for CUPS.
 
-  Copyright © 2022-2023 by OpenPrinting.
+  Copyright © 2020-2024 by OpenPrinting.
   Copyright © 2008-2011 by Apple Inc.
 
   Licensed under Apache License v2.0.  See the file "LICENSE" for more
diff --git a/doc/help/spec-command.html b/doc/help/spec-command.html
index 67d54264d4..8792f85f48 100644
--- a/doc/help/spec-command.html
+++ b/doc/help/spec-command.html
@@ -10,6 +10,7 @@
 <!--
   CUPS command file format specification for CUPS.
 
+  Copyright © 2020-2024 by OpenPrinting.
   Copyright © 2007-2018 by Apple Inc.
   Copyright © 1997-2006 by Easy Software Products.
 
diff --git a/doc/help/spec-ipp.html b/doc/help/spec-ipp.html
index 2ba2179099..ffd5bdb2f9 100644
--- a/doc/help/spec-ipp.html
+++ b/doc/help/spec-ipp.html
@@ -10,6 +10,7 @@
 <!--
   IPP specification for CUPS.
 
+  Copyright © 2020-2024 by OpenPrinting.
   Copyright © 2007-2016 by Apple Inc.
   Copyright © 1997-2007 by Easy Software Products.
 
diff --git a/doc/help/spec-ppd.html b/doc/help/spec-ppd.html
index 2bc8a72c10..1baae85c39 100644
--- a/doc/help/spec-ppd.html
+++ b/doc/help/spec-ppd.html
@@ -249,6 +249,7 @@
 <!--
   PPD extension documentation for CUPS.
 
+  Copyright © 2020-2024 by OpenPrinting.
   Copyright © 2007-2011 by Apple Inc.
   Copyright © 1997-2007 by Easy Software Products.
 
diff --git a/examples/Makefile b/examples/Makefile
index d55dab4af6..00699e72b2 100644
--- a/examples/Makefile
+++ b/examples/Makefile
@@ -1,7 +1,7 @@
 #
 # Example files makefile for CUPS.
 #
-# Copyright © 2021-2023 by OpenPrinting.
+# Copyright © 2020-2024 by OpenPrinting.
 # Copyright © 2007-2019 by Apple Inc.
 # Copyright © 2002-2005 by Easy Software Products.
 #
diff --git a/examples/get-notifications.test b/examples/get-notifications.test
index fa8d00bd20..2c67d03de9 100644
--- a/examples/get-notifications.test
+++ b/examples/get-notifications.test
@@ -1,6 +1,7 @@
 #
 # Get subscription events.
 #
+# Copyright © 2020-2024 by OpenPrinting.
 # Copyright © 2007-2013 by Apple Inc.
 # Copyright © 2001-2006 by Easy Software Products. All rights reserved.
 #
diff --git a/examples/ipp-1.1.test b/examples/ipp-1.1.test
index e406d0ecca..73e933feee 100644
--- a/examples/ipp-1.1.test
+++ b/examples/ipp-1.1.test
@@ -1,6 +1,7 @@
 #
 # IPP/1.1 test suite.
 #
+# Copyright © 2020-2024 by OpenPrinting.
 # Copyright © 2007-2017 by Apple Inc.
 # Copyright © 2001-2006 by Easy Software Products. All rights reserved.
 #
diff --git a/examples/ipp-2.0.test b/examples/ipp-2.0.test
index 3746663ebc..93b4834530 100644
--- a/examples/ipp-2.0.test
+++ b/examples/ipp-2.0.test
@@ -1,6 +1,7 @@
 #
 # IPP/2.0 test suite.
 #
+# Copyright © 2020-2024 by OpenPrinting.
 # Copyright © 2007-2017 by Apple Inc.
 # Copyright © 2001-2006 by Easy Software Products. All rights reserved.
 #
diff --git a/examples/ipp-2.1.test b/examples/ipp-2.1.test
index ca66e057a1..d58372356e 100644
--- a/examples/ipp-2.1.test
+++ b/examples/ipp-2.1.test
@@ -1,6 +1,7 @@
 #
 # IPP/2.1 test suite.
 #
+# Copyright © 2020-2024 by OpenPrinting.
 # Copyright © 2007-2017 by Apple Inc.
 # Copyright © 2001-2006 by Easy Software Products. All rights reserved.
 #
diff --git a/examples/ipp-2.2.test b/examples/ipp-2.2.test
index bd4fecda26..3061dfc24f 100644
--- a/examples/ipp-2.2.test
+++ b/examples/ipp-2.2.test
@@ -1,6 +1,7 @@
 #
 # IPP/2.2 test suite.
 #
+# Copyright © 2020-2024 by OpenPrinting.
 # Copyright © 2007-2017 by Apple Inc.
 # Copyright © 2001-2006 by Easy Software Products. All rights reserved.
 #
diff --git a/examples/ipp-everywhere.test b/examples/ipp-everywhere.test
index d7b0c445ce..6a9e3fe9ee 100644
--- a/examples/ipp-everywhere.test
+++ b/examples/ipp-everywhere.test
@@ -1,6 +1,7 @@
 #
 # IPP Everywhere test suite.
 #
+# Copyright © 2020-2024 by OpenPrinting.
 # Copyright © 2007-2018 by Apple Inc.
 # Copyright © 2001-2006 by Easy Software Products. All rights reserved.
 #
diff --git a/examples/ppdx.c b/examples/ppdx.c
index 0a8c1f6ec1..045cc84fcc 100644
--- a/examples/ppdx.c
+++ b/examples/ppdx.c
@@ -3,6 +3,7 @@
  * This would typically be used in a driver to save configuration/state
  * information that could be used by an application.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright 2012 by Apple Inc.
  *
  * Licensed under Apache License v2.0.  See the file "LICENSE" for more information.
diff --git a/examples/ppdx.h b/examples/ppdx.h
index d14d8a3ec4..4c17654642 100644
--- a/examples/ppdx.h
+++ b/examples/ppdx.h
@@ -1,6 +1,7 @@
 /*
  * Header for PPD data encoding example code.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright 2012 by Apple Inc.
  *
  * Licensed under Apache License v2.0.  See the file "LICENSE" for more information.
diff --git a/examples/testfile.ps b/examples/testfile.ps
index bec63fb0bd..d8c8e692bf 100644
Binary files a/examples/testfile.ps and b/examples/testfile.ps differ
diff --git a/examples/testppdx.c b/examples/testppdx.c
index 7c4a47b650..a3a075ecef 100644
--- a/examples/testppdx.c
+++ b/examples/testppdx.c
@@ -5,6 +5,7 @@
  *
  *     gcc -o testppdx -D_PPD_DEPRECATED="" -g testppdx.c ppdx.c -lcups -lz
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright 2012 by Apple Inc.
  *
  * Licensed under Apache License v2.0.  See the file "LICENSE" for more information.
diff --git a/examples/testppdx.ppd b/examples/testppdx.ppd
index bd72e55df7..17231d45b1 100644
--- a/examples/testppdx.ppd
+++ b/examples/testppdx.ppd
@@ -4,6 +4,7 @@
 *%
 *% This file cannot be used with any known printers.
 *%
+*% Copyright © 2020-2024 by OpenPrinting.
 *% Copyright (c) 2007-2012 by Apple Inc.
 *% Copyright (c) 2002-2006 by Easy Software Products.
 *%
diff --git a/filter/Makefile b/filter/Makefile
index 359db0daa2..903dbfb7e7 100644
--- a/filter/Makefile
+++ b/filter/Makefile
@@ -1,6 +1,7 @@
 #
 # Filter makefile for CUPS.
 #
+# Copyright © 2020-2024 by OpenPrinting.
 # Copyright © 2007-2019 by Apple Inc.
 # Copyright © 1997-2006 by Easy Software Products.
 #
diff --git a/filter/commandtops.c b/filter/commandtops.c
index 829fc95561..c0c38945d0 100644
--- a/filter/commandtops.c
+++ b/filter/commandtops.c
@@ -1,6 +1,7 @@
 /*
  * PostScript command filter for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright 2008-2014 by Apple Inc.
  *
  * Licensed under Apache License v2.0.  See the file "LICENSE" for more information.
diff --git a/filter/common.c b/filter/common.c
index 1d3c73736c..22217be0d5 100644
--- a/filter/common.c
+++ b/filter/common.c
@@ -1,6 +1,7 @@
 /*
  * Common filter routines for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright 2007-2014 by Apple Inc.
  * Copyright 1997-2006 by Easy Software Products.
  *
diff --git a/filter/common.h b/filter/common.h
index 29e7365490..a8e48df548 100644
--- a/filter/common.h
+++ b/filter/common.h
@@ -1,6 +1,7 @@
 /*
  * Common filter definitions for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright 2007-2010 by Apple Inc.
  * Copyright 1997-2006 by Easy Software Products.
  *
diff --git a/filter/gziptoany.c b/filter/gziptoany.c
index 78b7ebbd2d..d3753b5ecc 100644
--- a/filter/gziptoany.c
+++ b/filter/gziptoany.c
@@ -1,7 +1,7 @@
 /*
  * GZIP/raw pre-filter for CUPS.
  *
- * Copyright © 2021 by OpenPrinting.
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2007-2015 by Apple Inc.
  * Copyright © 1993-2007 by Easy Software Products.
  *
diff --git a/filter/postscript-driver.header b/filter/postscript-driver.header
index c8425a0df5..965fac661c 100644
--- a/filter/postscript-driver.header
+++ b/filter/postscript-driver.header
@@ -1,6 +1,7 @@
 <!--
   PostScript printer driver documentation for CUPS.
 
+  Copyright © 2020-2024 by OpenPrinting.
   Copyright © 2007-2012 by Apple Inc.
   Copyright © 1997-2007 by Easy Software Products.
 
diff --git a/filter/ppd-compiler.header b/filter/ppd-compiler.header
index 951373c399..a5b2dee4ad 100644
--- a/filter/ppd-compiler.header
+++ b/filter/ppd-compiler.header
@@ -1,6 +1,7 @@
 <!--
   PPD compiler documentation for CUPS.
 
+  Copyright © 2020-2024 by OpenPrinting.
   Copyright © 2007-2012 by Apple Inc.
   Copyright © 1997-2007 by Easy Software Products.
 
diff --git a/filter/pstops.c b/filter/pstops.c
index 3b10ea221d..41090c8b0d 100644
--- a/filter/pstops.c
+++ b/filter/pstops.c
@@ -1,6 +1,7 @@
 /*
  * PostScript filter for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2007-2018 by Apple Inc.
  * Copyright © 1993-2007 by Easy Software Products.
  *
diff --git a/filter/raster-driver.header b/filter/raster-driver.header
index 797388d1fb..6c80c8bfec 100644
--- a/filter/raster-driver.header
+++ b/filter/raster-driver.header
@@ -1,6 +1,7 @@
 <!--
   Raster printer driver documentation for CUPS.
 
+  Copyright © 2020-2024 by OpenPrinting.
   Copyright © 2007-2018 by Apple Inc.
   Copyright © 1997-2007 by Easy Software Products.
 
diff --git a/filter/rastertoepson.c b/filter/rastertoepson.c
index b9cfa548e9..06cd62585c 100644
--- a/filter/rastertoepson.c
+++ b/filter/rastertoepson.c
@@ -1,6 +1,7 @@
 /*
  * EPSON ESC/P and ESC/P2 filter for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright 2007-2018 by Apple Inc.
  * Copyright 1993-2007 by Easy Software Products.
  *
diff --git a/filter/rastertohp.c b/filter/rastertohp.c
index dd042167f8..f0dc2cf39f 100644
--- a/filter/rastertohp.c
+++ b/filter/rastertohp.c
@@ -1,6 +1,7 @@
 /*
  * Hewlett-Packard Page Control Language filter for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright 2007-2015 by Apple Inc.
  * Copyright 1993-2007 by Easy Software Products.
  *
diff --git a/filter/rastertolabel.c b/filter/rastertolabel.c
index ee6a9314eb..f9135f8e1f 100644
--- a/filter/rastertolabel.c
+++ b/filter/rastertolabel.c
@@ -1,6 +1,7 @@
 /*
  * Label printer filter for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2007-2019 by Apple Inc.
  * Copyright © 2001-2007 by Easy Software Products.
  *
diff --git a/filter/rastertopwg.c b/filter/rastertopwg.c
index 81c25ba9aa..c0701279ff 100644
--- a/filter/rastertopwg.c
+++ b/filter/rastertopwg.c
@@ -1,6 +1,7 @@
 /*
  * CUPS raster to PWG raster format filter for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2011, 2014-2017 Apple Inc.
  *
  * Licensed under Apache License v2.0.  See the file "LICENSE" for more
diff --git a/filter/spec-ppd.header b/filter/spec-ppd.header
index 0d0181e669..7c067336b9 100644
--- a/filter/spec-ppd.header
+++ b/filter/spec-ppd.header
@@ -1,6 +1,7 @@
 <!--
   PPD extension documentation for CUPS.
 
+  Copyright © 2020-2024 by OpenPrinting.
   Copyright © 2007-2011 by Apple Inc.
   Copyright © 1997-2007 by Easy Software Products.
 
diff --git a/install-sh b/install-sh
index bcd89dacb2..5d2c6df174 100755
--- a/install-sh
+++ b/install-sh
@@ -2,6 +2,7 @@
 #
 # Install a program, script, or datafile.
 #
+# Copyright © 2020-2024 by OpenPrinting.
 # Copyright 2008-2012 by Apple Inc.
 #
 # This script is not compatible with BSD (or any other) install program, as it
diff --git a/locale/Makefile b/locale/Makefile
index e150218a7b..21ce7406cf 100644
--- a/locale/Makefile
+++ b/locale/Makefile
@@ -1,7 +1,7 @@
 #
 # Locale file makefile for CUPS.
 #
-# Copyright © 2021-2023 by OpenPrinting.
+# Copyright © 2020-2024 by OpenPrinting.
 # Copyright © 2007-2019 by Apple Inc.
 # Copyright © 1993-2007 by Easy Software Products.
 #
diff --git a/locale/checkpo.c b/locale/checkpo.c
index ad9f9b6b75..8e31aeb13b 100644
--- a/locale/checkpo.c
+++ b/locale/checkpo.c
@@ -2,7 +2,7 @@
  * Verify that translations in the .po file have the same number and type of
  * printf-style format strings.
  *
- * Copyright © 2021-2023 by OpenPrinting.
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2007-2017 by Apple Inc.
  * Copyright © 1997-2007 by Easy Software Products, all rights reserved.
  *
diff --git a/locale/cups.header b/locale/cups.header
index c7ba984d4d..ab0ab009bc 100644
--- a/locale/cups.header
+++ b/locale/cups.header
@@ -1,7 +1,7 @@
 #
 # Message catalog template for CUPS.
 #
-# Copyright © 2021 by OpenPrinting.
+# Copyright © 2020-2024 by OpenPrinting.
 # Copyright © 2007-2019 by Apple Inc.
 # Copyright © 2005-2007 by Easy Software Products.
 #
diff --git a/locale/cups.pot b/locale/cups.pot
index 141c905f5e..5a44a8ffca 100644
--- a/locale/cups.pot
+++ b/locale/cups.pot
@@ -1,7 +1,7 @@
 #
 # Message catalog template for CUPS.
 #
-# Copyright © 2021 by OpenPrinting.
+# Copyright © 2020-2024 by OpenPrinting.
 # Copyright © 2007-2019 by Apple Inc.
 # Copyright © 2005-2007 by Easy Software Products.
 #
diff --git a/locale/cups_ca.po b/locale/cups_ca.po
index 776c638787..d07df413fb 100644
--- a/locale/cups_ca.po
+++ b/locale/cups_ca.po
@@ -1,6 +1,7 @@
 #
 # Catalan message catalog for CUPS.
 #
+# Copyright © 2020-2024 by OpenPrinting.
 # Copyright © 2007-2018 by Apple Inc.
 # Copyright © 2005-2007 by Easy Software Products.
 #
diff --git a/locale/cups_cs.po b/locale/cups_cs.po
index 0f65181280..87124721b5 100644
--- a/locale/cups_cs.po
+++ b/locale/cups_cs.po
@@ -1,6 +1,7 @@
 #
 # Czech message catalog for CUPS.
 #
+# Copyright © 2020-2024 by OpenPrinting.
 # Copyright © 2007-2018 by Apple Inc.
 # Copyright © 2005-2007 by Easy Software Products.
 #
diff --git a/locale/cups_da.po b/locale/cups_da.po
index 6587c3dc4e..6da362370e 100644
--- a/locale/cups_da.po
+++ b/locale/cups_da.po
@@ -2,6 +2,7 @@
 #
 # Message catalog template for CUPS.
 #
+# Copyright © 2020-2024 by OpenPrinting.
 # Copyright © 2007-2019 by Apple Inc.
 # Copyright © 2005-2007 by Easy Software Products.
 #
diff --git a/locale/cups_de.po b/locale/cups_de.po
index 9c321f4562..adadb8e2e4 100644
--- a/locale/cups_de.po
+++ b/locale/cups_de.po
@@ -1,6 +1,7 @@
 #
 # German message catalog for CUPS.
 #
+# Copyright © 2020-2024 by OpenPrinting.
 # Copyright © 2007-2018 by Apple Inc.
 # Copyright © 2005-2007 by Easy Software Products.
 #
diff --git a/locale/cups_en.po b/locale/cups_en.po
index a5bf78ae0f..2daaa60faf 100644
--- a/locale/cups_en.po
+++ b/locale/cups_en.po
@@ -1,6 +1,7 @@
 #
 # English message catalog for CUPS.
 #
+# Copyright © 2020-2024 by OpenPrinting.
 # Copyright © 2007-2019 by Apple Inc.
 # Copyright © 2005-2007 by Easy Software Products.
 #
diff --git a/locale/cups_es.po b/locale/cups_es.po
index fafcf50aca..c37a510ff9 100644
--- a/locale/cups_es.po
+++ b/locale/cups_es.po
@@ -1,6 +1,7 @@
 #
 # Spanish message catalog for CUPS.
 #
+# Copyright © 2020-2024 by OpenPrinting.
 # Copyright © 2007-2018 by Apple Inc.
 # Copyright © 2005-2007 by Easy Software Products.
 #
diff --git a/locale/cups_fr.po b/locale/cups_fr.po
index 4fd10c90aa..d4ab8dde55 100644
--- a/locale/cups_fr.po
+++ b/locale/cups_fr.po
@@ -1,6 +1,7 @@
 #
 # French message catalog for CUPS.
 #
+# Copyright © 2020-2024 by OpenPrinting.
 # Copyright © 2007-2018 by Apple Inc.
 # Copyright © 2005-2007 by Easy Software Products.
 #
diff --git a/locale/cups_it.po b/locale/cups_it.po
index 9f2974196d..0ce598d82d 100644
--- a/locale/cups_it.po
+++ b/locale/cups_it.po
@@ -1,6 +1,7 @@
 #
 # Italian message catalog for CUPS.
 #
+# Copyright © 2020-2024 by OpenPrinting.
 # Copyright © 2007-2018 by Apple Inc.
 # Copyright © 2005-2007 by Easy Software Products.
 #
diff --git a/locale/cups_ja.po b/locale/cups_ja.po
index 8c1847d7bf..19aa100a39 100644
--- a/locale/cups_ja.po
+++ b/locale/cups_ja.po
@@ -1,6 +1,7 @@
 #
 # Japanese message catalog for CUPS.
 #
+# Copyright © 2020-2024 by OpenPrinting.
 # Copyright © 2007-2018 by Apple Inc.
 # Copyright © 2005-2007 by Easy Software Products.
 #
diff --git a/locale/cups_pt_BR.po b/locale/cups_pt_BR.po
index 6ba4a8239b..9145800fb3 100644
--- a/locale/cups_pt_BR.po
+++ b/locale/cups_pt_BR.po
@@ -1,6 +1,7 @@
 #
 # Brazilian Portuguese message catalog for CUPS.
 #
+# Copyright © 2020-2024 by OpenPrinting.
 # Copyright © 2007-2018 by Apple Inc.
 # Copyright © 2005-2007 by Easy Software Products.
 #
diff --git a/locale/cups_zh_CN.po b/locale/cups_zh_CN.po
index 000f00551e..bb77780e45 100644
--- a/locale/cups_zh_CN.po
+++ b/locale/cups_zh_CN.po
@@ -1,6 +1,7 @@
 #
 # Chinese message catalog for CUPS.
 #
+# Copyright © 2020-2024 by OpenPrinting.
 # Copyright © 2007-2018 by Apple Inc.
 # Copyright © 2005-2007 by Easy Software Products.
 #
diff --git a/locale/po2strings.c b/locale/po2strings.c
index e8732407cf..8981490994 100644
--- a/locale/po2strings.c
+++ b/locale/po2strings.c
@@ -1,6 +1,7 @@
 /*
  * Convert a GNU gettext .po file to an Apple .strings file.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright 2007-2017 by Apple Inc.
  *
  * Licensed under Apache License v2.0.  See the file "LICENSE" for more information.
diff --git a/man/Makefile b/man/Makefile
index 621fe60c17..d6e496a2d0 100644
--- a/man/Makefile
+++ b/man/Makefile
@@ -1,6 +1,7 @@
 #
 # Man page makefile for CUPS.
 #
+# Copyright © 2020-2024 by OpenPrinting.
 # Copyright © 2007-2019 by Apple Inc.
 # Copyright © 1993-2006 by Easy Software Products.
 #
diff --git a/man/backend.7 b/man/backend.7
index 4ea1aebcc2..f14e804cc7 100644
--- a/man/backend.7
+++ b/man/backend.7
@@ -1,7 +1,7 @@
 .\"
 .\" Backend man page for CUPS.
 .\"
-.\" Copyright © 2021-2023 by OpenPrinting.
+.\" Copyright © 2020-2024 by OpenPrinting.
 .\" Copyright © 2007-2019 by Apple Inc.
 .\" Copyright © 1997-2006 by Easy Software Products.
 .\"
@@ -218,4 +218,4 @@ Printers that do not support IPP can be supported using applications such as
 .br
 CUPS Online Help (http://localhost:631/help)
 .SH COPYRIGHT
-Copyright \[co] 2021-2023 by OpenPrinting.
+Copyright \[co] 2020-2024 by OpenPrinting.
diff --git a/man/cancel.1 b/man/cancel.1
index 7a917df938..ef510930fb 100644
--- a/man/cancel.1
+++ b/man/cancel.1
@@ -1,7 +1,7 @@
 .\"
 .\" cancel man page for CUPS.
 .\"
-.\" Copyright © 2021-2023 by OpenPrinting.
+.\" Copyright © 2020-2024 by OpenPrinting.
 .\" Copyright © 2007-2019 by Apple Inc.
 .\" Copyright © 1997-2006 by Easy Software Products.
 .\"
@@ -90,4 +90,4 @@ Administrators wishing to prevent unauthorized cancellation of jobs via the \fI\
 .BR lpstat (1),
 CUPS Online Help (http://localhost:631/help)
 .SH COPYRIGHT
-Copyright \[co] 2021-2023 by OpenPrinting.
+Copyright \[co] 2020-2024 by OpenPrinting.
diff --git a/man/classes.conf.5 b/man/classes.conf.5
index b98a4e7ddf..8717360ef0 100644
--- a/man/classes.conf.5
+++ b/man/classes.conf.5
@@ -1,7 +1,7 @@
 .\"
 .\" classes.conf man page for CUPS.
 .\"
-.\" Copyright © 2021-2023 by OpenPrinting.
+.\" Copyright © 2020-2024 by OpenPrinting.
 .\" Copyright © 2007-2019 by Apple Inc.
 .\" Copyright © 1997-2006 by Easy Software Products.
 .\"
@@ -28,4 +28,4 @@ The name, location, and format of this file are an implementation detail that wi
 .BR subscriptions.conf (5),
 CUPS Online Help (http://localhost:631/help)
 .SH COPYRIGHT
-Copyright \[co] 2021-2023 by OpenPrinting.
+Copyright \[co] 2020-2024 by OpenPrinting.
diff --git a/man/client.conf.5 b/man/client.conf.5
index 322d2f9a57..54808c09f9 100644
--- a/man/client.conf.5
+++ b/man/client.conf.5
@@ -1,7 +1,7 @@
 .\"
 .\" client.conf man page for CUPS.
 .\"
-.\" Copyright © 2021-2023 by OpenPrinting.
+.\" Copyright © 2020-2024 by OpenPrinting.
 .\" Copyright © 2007-2019 by Apple Inc.
 .\" Copyright © 2006 by Easy Software Products.
 .\"
@@ -141,4 +141,4 @@ On Linux and other systems using GNU TLS, the \fI/etc/cups/ssl/site.crl\fR file,
 .BR default (1),
 CUPS Online Help (http://localhost:631/help)
 .SH COPYRIGHT
-Copyright \[co] 2021-2023 by OpenPrinting.
+Copyright \[co] 2020-2024 by OpenPrinting.
diff --git a/man/cups-config.1 b/man/cups-config.1
index 729f68be00..018349c0a2 100644
--- a/man/cups-config.1
+++ b/man/cups-config.1
@@ -1,7 +1,7 @@
 .\"
 .\" cups-config man page for CUPS.
 .\"
-.\" Copyright © 2021-2023 by OpenPrinting.
+.\" Copyright © 2020-2024 by OpenPrinting.
 .\" Copyright © 2007-2019 by Apple Inc.
 .\" Copyright © 1997-2006 by Easy Software Products.
 .\"
@@ -113,4 +113,4 @@ Formerly used to add the CUPS imaging library to the list of libraries.
 .BR pkg-config (1),
 CUPS Online Help (http://localhost:631/help)
 .SH COPYRIGHT
-Copyright \[co] 2021-2023 by OpenPrinting.
+Copyright \[co] 2020-2024 by OpenPrinting.
diff --git a/man/cups-files.conf.5 b/man/cups-files.conf.5
index a4a01844f4..29c90aa49a 100644
--- a/man/cups-files.conf.5
+++ b/man/cups-files.conf.5
@@ -1,7 +1,7 @@
 .\"
 .\" cups-files.conf man page for CUPS.
 .\"
-.\" Copyright © 2020-2023 by OpenPrinting.
+.\" Copyright © 2020-2024 by OpenPrinting.
 .\" Copyright © 2007-2019 by Apple Inc.
 .\" Copyright © 1997-2006 by Easy Software Products.
 .\"
@@ -278,4 +278,4 @@ command is used instead.
 .BR subscriptions.conf (5),
 CUPS Online Help (http://localhost:631/help)
 .SH COPYRIGHT
-Copyright \[co] 2020-2023 by OpenPrinting.
+Copyright \[co] 2020-2024 by OpenPrinting.
diff --git a/man/cups-lpd.8 b/man/cups-lpd.8
index 485021b221..a84c149701 100644
--- a/man/cups-lpd.8
+++ b/man/cups-lpd.8
@@ -1,7 +1,7 @@
 .\"
 .\" cups-lpd man page for CUPS.
 .\"
-.\" Copyright © 2020-2023 by OpenPrinting.
+.\" Copyright © 2020-2024 by OpenPrinting.
 .\" Copyright © 2007-2019 by Apple Inc.
 .\" Copyright © 1997-2006 by Easy Software Products.
 .\"
@@ -114,4 +114,4 @@ service using the corresponding control program.
 CUPS Online Help (http://localhost:631/help),
 RFC 2569
 .SH COPYRIGHT
-Copyright \[co] 2020-2023 by OpenPrinting.
+Copyright \[co] 2020-2024 by OpenPrinting.
diff --git a/man/cups-snmp.8 b/man/cups-snmp.8
index b4dd517f71..7b70e2a55b 100644
--- a/man/cups-snmp.8
+++ b/man/cups-snmp.8
@@ -1,7 +1,7 @@
 .\"
 .\" SNMP backend man page for CUPS.
 .\"
-.\" Copyright © 2021-2023 by OpenPrinting.
+.\" Copyright © 2020-2024 by OpenPrinting.
 .\" Copyright © 2012-2019 by Apple Inc.
 .\"
 .\" Licensed under Apache License v2.0.  See the file "LICENSE" for more
@@ -54,4 +54,4 @@ The CUPS SNMP backend uses the information from the Host, Printer, and Port Moni
 .BR lpinfo (8),
 CUPS Online Help (http://localhost:631/help)
 .SH COPYRIGHT
-Copyright \[co] 2021-2023 by OpenPrinting.
+Copyright \[co] 2020-2024 by OpenPrinting.
diff --git a/man/cups-snmp.conf.5 b/man/cups-snmp.conf.5
index 8f5968ef5a..ac25433b28 100644
--- a/man/cups-snmp.conf.5
+++ b/man/cups-snmp.conf.5
@@ -1,7 +1,7 @@
 .\"
 .\" snmp.conf man page for CUPS.
 .\"
-.\" Copyright © 2021-2023 by OpenPrinting.
+.\" Copyright © 2020-2024 by OpenPrinting.
 .\" Copyright © 2007-2019 by Apple Inc.
 .\" Copyright © 2006 by Easy Software Products.
 .\"
@@ -64,4 +64,4 @@ Printers that do not support IPP can be supported using applications such as
 .BR cups-snmp (8),
 CUPS Online Help (http://localhost:631/help)
 .SH COPYRIGHT
-Copyright \[co] 2021-2023 by OpenPrinting.
+Copyright \[co] 2020-2024 by OpenPrinting.
diff --git a/man/cups.1 b/man/cups.1
index 3612eea97d..83f7552068 100644
--- a/man/cups.1
+++ b/man/cups.1
@@ -1,7 +1,7 @@
 .\"
 .\" cups (intro) man page for CUPS.
 .\"
-.\" Copyright © 2021-2023 by OpenPrinting.
+.\" Copyright © 2020-2024 by OpenPrinting.
 .\" Copyright © 2007-2019 by Apple Inc.
 .\" Copyright © 1997-2006 by Easy Software Products.
 .\"
@@ -141,4 +141,4 @@ CUPS Online Help (http://localhost:631/help),
 OpenPrinting CUPS Web Site (https://openprinting.github.io/cups),
 PWG Internet Printing Protocol Workgroup (http://www.pwg.org/ipp)
 .SH COPYRIGHT
-Copyright \[co] 2021-2023 by OpenPrinting.
+Copyright \[co] 2020-2024 by OpenPrinting.
diff --git a/man/cupsaccept.8 b/man/cupsaccept.8
index de70914bc3..c82d0fb553 100644
--- a/man/cupsaccept.8
+++ b/man/cupsaccept.8
@@ -1,7 +1,7 @@
 .\"
 .\" cupsaccept/reject man page for CUPS.
 .\"
-.\" Copyright © 2021-2023 by OpenPrinting.
+.\" Copyright © 2020-2024 by OpenPrinting.
 .\" Copyright © 2007-2019 by Apple Inc.
 .\" Copyright © 1997-2006 by Easy Software Products.
 .\"
@@ -84,4 +84,4 @@ Finally, the CUPS versions may ask the user for an access password depending on
 .br
 CUPS Online Help (http://localhost:631/help)
 .SH COPYRIGHT
-Copyright \[co] 2021-2023 by OpenPrinting.
+Copyright \[co] 2020-2024 by OpenPrinting.
diff --git a/man/cupsctl.8 b/man/cupsctl.8
index 9f68a59e1c..411f318499 100644
--- a/man/cupsctl.8
+++ b/man/cupsctl.8
@@ -1,7 +1,7 @@
 .\"
 .\" cupsctl man page for CUPS.
 .\"
-.\" Copyright © 2021-2023 by OpenPrinting.
+.\" Copyright © 2020-2024 by OpenPrinting.
 .\" Copyright © 2007-2019 by Apple Inc.
 .\" Copyright © 2007 by Easy Software Products.
 .\"
@@ -97,4 +97,4 @@ You cannot set the Listen or Port directives using \fBcupsctl\fR.
 .br
 CUPS Online Help (http://localhost:631/help)
 .SH COPYRIGHT
-Copyright \[co] 2021-2023 by OpenPrinting.
+Copyright \[co] 2020-2024 by OpenPrinting.
diff --git a/man/cupsd-helper.8 b/man/cupsd-helper.8
index 7d91417487..ce7e1bc444 100644
--- a/man/cupsd-helper.8
+++ b/man/cupsd-helper.8
@@ -1,7 +1,7 @@
 .\"
 .\" cupsd-helper man page for CUPS.
 .\"
-.\" Copyright © 2021-2023 by OpenPrinting.
+.\" Copyright © 2020-2024 by OpenPrinting.
 .\" Copyright 2007-2019 by Apple Inc.
 .\" Copyright 1997-2006 by Easy Software Products.
 .\"
@@ -88,4 +88,4 @@ Printers that do not support IPP can be supported using applications such as
 .BR ppdcfile (5),
 CUPS Online Help (http://localhost:631/help)
 .SH COPYRIGHT
-Copyright \[co] 2021-2023 by OpenPrinting.
+Copyright \[co] 2020-2024 by OpenPrinting.
diff --git a/man/cupsd-logs.5 b/man/cupsd-logs.5
index 75078e2116..44028a9ec6 100644
--- a/man/cupsd-logs.5
+++ b/man/cupsd-logs.5
@@ -1,7 +1,7 @@
 .\"
 .\" cupsd-logs man page for CUPS.
 .\"
-.\" Copyright © 2021-2023 by OpenPrinting.
+.\" Copyright © 2020-2024 by OpenPrinting.
 .\" Copyright © 2007-2019 by Apple Inc.
 .\" Copyright © 1997-2006 by Easy Software Products.
 .\"
@@ -220,4 +220,4 @@ The \fIsides\fR field contains a copy of the sides attribute provided with the I
 .BR cups-files.conf (5),
 CUPS Online Help (http://localhost:631/help)
 .SH COPYRIGHT
-Copyright \[co] 2021-2023 by OpenPrinting.
+Copyright \[co] 2020-2024 by OpenPrinting.
diff --git a/man/cupsd.8 b/man/cupsd.8
index 8bbf612b58..9bcfacc6ea 100644
--- a/man/cupsd.8
+++ b/man/cupsd.8
@@ -1,7 +1,7 @@
 .\"
 .\" cupsd man page for CUPS.
 .\"
-.\" Copyright © 2021-2023 by OpenPrinting.
+.\" Copyright © 2020-2024 by OpenPrinting.
 .\" Copyright © 2007-2019 by Apple Inc.
 .\" Copyright © 1997-2006 by Easy Software Products.
 .\"
@@ -124,4 +124,4 @@ in the foreground with a test configuration file called
 .BR systemd (8),
 CUPS Online Help (http://localhost:631/help)
 .SH COPYRIGHT
-Copyright \[co] 2021-2023 by OpenPrinting.
+Copyright \[co] 2020-2024 by OpenPrinting.
diff --git a/man/cupsd.conf.5 b/man/cupsd.conf.5
index 13727a9e30..fd5762dfd0 100644
--- a/man/cupsd.conf.5
+++ b/man/cupsd.conf.5
@@ -1,7 +1,7 @@
 .\"
 .\" cupsd.conf man page for CUPS.
 .\"
-.\" Copyright © 2020-2023 by OpenPrinting.
+.\" Copyright © 2020-2024 by OpenPrinting.
 .\" Copyright © 2007-2019 by Apple Inc.
 .\" Copyright © 1997-2006 by Easy Software Products.
 .\"
@@ -918,4 +918,4 @@ Require authentication for accesses from outside the 10. network:
 .BR subscriptions.conf (5),
 CUPS Online Help (http://localhost:631/help)
 .SH COPYRIGHT
-Copyright \[co] 2020-2023 by OpenPrinting.
+Copyright \[co] 2020-2024 by OpenPrinting.
diff --git a/man/cupsenable.8 b/man/cupsenable.8
index 31ad8d9db2..00bda8f6c7 100644
--- a/man/cupsenable.8
+++ b/man/cupsenable.8
@@ -1,7 +1,7 @@
 .\"
 .\" cupsenable/cupsdisable man page for CUPS.
 .\"
-.\" Copyright © 2021-2023 by OpenPrinting.
+.\" Copyright © 2020-2024 by OpenPrinting.
 .\" Copyright © 2007-2019 by Apple Inc.
 .\" Copyright © 1997-2006 by Easy Software Products.
 .\"
@@ -95,4 +95,4 @@ This differs from the System V versions which require the root user to execute t
 .BR lpstat (1),
 CUPS Online Help (http://localhost:631/help)
 .SH COPYRIGHT
-Copyright \[co] 2021-2023 by OpenPrinting.
+Copyright \[co] 2020-2024 by OpenPrinting.
diff --git a/man/cupsfilter.8 b/man/cupsfilter.8
index bd3d45bab6..28b44e4fe0 100644
--- a/man/cupsfilter.8
+++ b/man/cupsfilter.8
@@ -1,7 +1,7 @@
 .\"
 .\" cupsfilter man page for CUPS.
 .\"
-.\" Copyright © 2021-2023 by OpenPrinting.
+.\" Copyright © 2020-2024 by OpenPrinting.
 .\" Copyright © 2007-2019 by Apple Inc.
 .\"
 .\" Licensed under Apache License v2.0.  See the file "LICENSE" for more
@@ -137,4 +137,4 @@ The following command will generate a PDF preview of job 42 for a printer named
 .BR mime.types (7),
 CUPS Online Help (http://localhost:631/help)
 .SH COPYRIGHT
-Copyright \[co] 2021-2023 by OpenPrinting.
+Copyright \[co] 2020-2024 by OpenPrinting.
diff --git a/man/cupstestppd.1 b/man/cupstestppd.1
index af8abeadb6..41b4c87084 100644
--- a/man/cupstestppd.1
+++ b/man/cupstestppd.1
@@ -1,7 +1,7 @@
 .\"
 .\" cupstestppd man page for CUPS.
 .\"
-.\" Copyright © 2021-2023 by OpenPrinting.
+.\" Copyright © 2020-2024 by OpenPrinting.
 .\" Copyright © 2007-2019 by Apple Inc.
 .\" Copyright © 1997-2006 by Easy Software Products.
 .\"
@@ -145,4 +145,4 @@ Printers that do not support IPP can be supported using applications such as
 CUPS Online Help (http://localhost:631/help),
 Adobe PostScript Printer Description File Format Specification, Version 4.3.
 .SH COPYRIGHT
-Copyright \[co] 2021-2023 by OpenPrinting.
+Copyright \[co] 2020-2024 by OpenPrinting.
diff --git a/man/filter.7 b/man/filter.7
index 1b590c9916..3d165954e4 100644
--- a/man/filter.7
+++ b/man/filter.7
@@ -1,7 +1,7 @@
 .\"
 .\" filter man page for CUPS.
 .\"
-.\" Copyright © 2021-2023 by OpenPrinting.
+.\" Copyright © 2020-2024 by OpenPrinting.
 .\" Copyright © 2007-2019 by Apple Inc.
 .\" Copyright © 1997-2007 by Easy Software Products.
 .\"
@@ -219,4 +219,4 @@ program to use the appropriate filters to do the conversions you need.
 .br
 CUPS Online Help (http://localhost:631/help)
 .SH COPYRIGHT
-Copyright \[co] 2021-2023 by OpenPrinting.
+Copyright \[co] 2020-2024 by OpenPrinting.
diff --git a/man/ippevepcl.7 b/man/ippevepcl.7
index d40489bf71..d09abdbcd5 100644
--- a/man/ippevepcl.7
+++ b/man/ippevepcl.7
@@ -1,7 +1,7 @@
 .\"
 .\" ippevepcl/ps man page for CUPS.
 .\"
-.\" Copyright © 2021-2023 by OpenPrinting.
+.\" Copyright © 2020-2024 by OpenPrinting.
 .\" Copyright © 2019 by Apple Inc.
 .\"
 .\" Licensed under Apache License v2.0.  See the file "LICENSE" for more
@@ -46,4 +46,4 @@ program.
 .SH SEE ALSO
 .BR ippeveprinter (8)
 .SH COPYRIGHT
-Copyright \[co] 2021-2023 by OpenPrinting.
+Copyright \[co] 2020-2024 by OpenPrinting.
diff --git a/man/ippeveprinter.1 b/man/ippeveprinter.1
index 50861ba366..13fe681b0d 100644
--- a/man/ippeveprinter.1
+++ b/man/ippeveprinter.1
@@ -1,7 +1,7 @@
 .\"
 .\" ippeveprinter man page for CUPS.
 .\"
-.\" Copyright © 2021-2023 by OpenPrinting.
+.\" Copyright © 2020-2024 by OpenPrinting.
 .\" Copyright © 2014-2019 by Apple Inc.
 .\"
 .\" Licensed under Apache License v2.0.  See the file "LICENSE" for more
@@ -271,4 +271,4 @@ command whenever a job is sent to the server:
 .BR ippeveps (7),
 PWG Internet Printing Protocol Workgroup (http://www.pwg.org/ipp)
 .SH COPYRIGHT
-Copyright \[co] 2021-2023 by OpenPrinting.
+Copyright \[co] 2020-2024 by OpenPrinting.
diff --git a/man/ippfind.1 b/man/ippfind.1
index 6e8abb979c..99f86d75e0 100644
--- a/man/ippfind.1
+++ b/man/ippfind.1
@@ -1,7 +1,7 @@
 .\"
 .\" ippfind man page.
 .\"
-.\" Copyright © 2021-2023 by OpenPrinting.
+.\" Copyright © 2020-2024 by OpenPrinting.
 .\" Copyright © 2013-2019 by Apple Inc.
 .\"
 .\" Licensed under Apache License v2.0.  See the file "LICENSE" for more
@@ -256,4 +256,4 @@ Similarly, to send a PostScript test page to every PostScript printer, run:
 .SH SEE ALSO
 .BR ipptool (1)
 .SH COPYRIGHT
-Copyright \[co] 2021-2023 by OpenPrinting.
+Copyright \[co] 2020-2024 by OpenPrinting.
diff --git a/man/ipptool.1 b/man/ipptool.1
index 2a02b6c5c8..b0a751a253 100644
--- a/man/ipptool.1
+++ b/man/ipptool.1
@@ -1,7 +1,7 @@
 .\"
 .\" ipptool man page.
 .\"
-.\" Copyright © 2021-2023 by OpenPrinting.
+.\" Copyright © 2020-2024 by OpenPrinting.
 .\" Copyright © 2010-2019 by Apple Inc.
 .\"
 .\" Licensed under Apache License v2.0.  See the file "LICENSE" for more
@@ -258,4 +258,4 @@ IANA IPP Registry (https://www.iana.org/assignments/ipp\-registrations),
 PWG Internet Printing Protocol Workgroup (https://www.pwg.org/ipp)
 RFC 8011 (https://datatracker.ietf.org/doc/html/rfc8011),
 .SH COPYRIGHT
-Copyright \[co] 2021-2023 by OpenPrinting.
+Copyright \[co] 2020-2024 by OpenPrinting.
diff --git a/man/ipptoolfile.5 b/man/ipptoolfile.5
index 9c0718cd6b..30ae527b5d 100644
--- a/man/ipptoolfile.5
+++ b/man/ipptoolfile.5
@@ -1,7 +1,7 @@
 .\"
 .\" ipptoolfile man page.
 .\"
-.\" Copyright © 2021-2023 by OpenPrinting.
+.\" Copyright © 2020-2024 by OpenPrinting.
 .\" Copyright © 2010-2021 by Apple Inc.
 .\"
 .\" Licensed under Apache License v2.0.  See the file "LICENSE" for more
@@ -718,4 +718,4 @@ IANA IPP Registry (https://www.iana.org/assignments/ipp-registrations),
 PWG Internet Printing Protocol Workgroup (https://www.pwg.org/ipp),
 RFC 8011 (https://datatracker.ietf.org/doc/html/rfc8011)
 .SH COPYRIGHT
-Copyright \[co] 2021-2023 by OpenPrinting.
+Copyright \[co] 2020-2024 by OpenPrinting.
diff --git a/man/lp.1 b/man/lp.1
index ebe7b0e162..d22358c6af 100644
--- a/man/lp.1
+++ b/man/lp.1
@@ -1,7 +1,7 @@
 .\"
 .\" lp man page for CUPS.
 .\"
-.\" Copyright © 2021-2023 by OpenPrinting.
+.\" Copyright © 2020-2024 by OpenPrinting.
 .\" Copyright © 2007-2019 by Apple Inc.
 .\" Copyright © 1997-2006 by Easy Software Products.
 .\"
@@ -228,4 +228,4 @@ Print a presentation document 2-up to a printer called "bar":
 .BR lpstat (1),
 CUPS Online Help (http://localhost:631/help)
 .SH COPYRIGHT
-Copyright \[co] 2021-2023 by OpenPrinting.
+Copyright \[co] 2020-2024 by OpenPrinting.
diff --git a/man/lpadmin.8 b/man/lpadmin.8
index ab180bb903..b75b775b07 100644
--- a/man/lpadmin.8
+++ b/man/lpadmin.8
@@ -1,7 +1,7 @@
 .\"
 .\" lpadmin man page for CUPS.
 .\"
-.\" Copyright © 2021-2023 by OpenPrinting.
+.\" Copyright © 2020-2024 by OpenPrinting.
 .\" Copyright © 2007-2019 by Apple Inc.
 .\" Copyright © 1997-2006 by Easy Software Products.
 .\"
@@ -229,4 +229,4 @@ Create an IPP Everywhere print queue:
 .BR lpoptions (1),
 CUPS Online Help (http://localhost:631/help)
 .SH COPYRIGHT
-Copyright \[co] 2021-2023 by OpenPrinting.
+Copyright \[co] 2020-2024 by OpenPrinting.
diff --git a/man/lpc.8 b/man/lpc.8
index e9898c4afc..f951304d16 100644
--- a/man/lpc.8
+++ b/man/lpc.8
@@ -1,7 +1,7 @@
 .\"
 .\" lpc man page for CUPS.
 .\"
-.\" Copyright © 2021-2023 by OpenPrinting.
+.\" Copyright © 2020-2024 by OpenPrinting.
 .\" Copyright © 2007-2019 by Apple Inc.
 .\" Copyright © 1997-2006 by Easy Software Products.
 .\"
@@ -56,4 +56,4 @@ command or another CUPS-compatible client with that functionality.
 .BR lpstat (1),
 CUPS Online Help (http://localhost:631/help)
 .SH COPYRIGHT
-Copyright \[co] 2021-2023 by OpenPrinting.
+Copyright \[co] 2020-2024 by OpenPrinting.
diff --git a/man/lpinfo.8 b/man/lpinfo.8
index 2a1567eca3..3e64066984 100644
--- a/man/lpinfo.8
+++ b/man/lpinfo.8
@@ -1,7 +1,7 @@
 .\"
 .\" lpinfo man page for CUPS.
 .\"
-.\" Copyright © 2021-2023 by OpenPrinting.
+.\" Copyright © 2020-2024 by OpenPrinting.
 .\" Copyright © 2007-2019 by Apple Inc.
 .\" Copyright © 1997-2006 by Easy Software Products.
 .\"
@@ -124,4 +124,4 @@ Printers that do not support IPP can be supported using applications such as
 .BR lpadmin (8),
 CUPS Online Help (http://localhost:631/help)
 .SH COPYRIGHT
-Copyright \[co] 2021-2023 by OpenPrinting.
+Copyright \[co] 2020-2024 by OpenPrinting.
diff --git a/man/lpmove.8 b/man/lpmove.8
index d61a0e9d6b..ef0ce8f646 100644
--- a/man/lpmove.8
+++ b/man/lpmove.8
@@ -1,7 +1,7 @@
 .\"
 .\" lpmove man page for CUPS.
 .\"
-.\" Copyright © 2021-2023 by OpenPrinting.
+.\" Copyright © 2020-2024 by OpenPrinting.
 .\" Copyright © 2007-2019 by Apple Inc.
 .\" Copyright © 1997-2006 by Easy Software Products.
 .\"
@@ -73,4 +73,4 @@ Move all jobs from "oldprinter" to "newprinter":
 .br
 CUPS Online Help (http://localhost:631/help)
 .SH COPYRIGHT
-Copyright \[co] 2021-2023 by OpenPrinting.
+Copyright \[co] 2020-2024 by OpenPrinting.
diff --git a/man/lpoptions.1 b/man/lpoptions.1
index e3af16dd92..9c3a7e63bd 100644
--- a/man/lpoptions.1
+++ b/man/lpoptions.1
@@ -1,7 +1,7 @@
 .\"
 .\" lpoptions man page for CUPS.
 .\"
-.\" Copyright © 2021-2023 by OpenPrinting.
+.\" Copyright © 2020-2024 by OpenPrinting.
 .\" Copyright © 2007-2019 by Apple Inc.
 .\" Copyright © 1997-2006 by Easy Software Products.
 .\"
@@ -117,4 +117,4 @@ The \fBlpoptions\fR command is unique to CUPS.
 .BR lprm (1),
 CUPS Online Help (http://localhost:631/help)
 .SH COPYRIGHT
-Copyright \[co] 2021-2023 by OpenPrinting.
+Copyright \[co] 2020-2024 by OpenPrinting.
diff --git a/man/lpq.1 b/man/lpq.1
index 74d07a8d66..5424c52580 100644
--- a/man/lpq.1
+++ b/man/lpq.1
@@ -1,7 +1,7 @@
 .\"
 .\" lpq man page for CUPS.
 .\"
-.\" Copyright © 2021-2023 by OpenPrinting.
+.\" Copyright © 2020-2024 by OpenPrinting.
 .\" Copyright © 2007-2019 by Apple Inc.
 .\" Copyright © 1997-2006 by Easy Software Products.
 .\"
@@ -63,4 +63,4 @@ Requests a more verbose (long) reporting format.
 .BR lpstat (1),
 CUPS Online Help (http://localhost:631/help)
 .SH COPYRIGHT
-Copyright \[co] 2021-2023 by OpenPrinting.
+Copyright \[co] 2020-2024 by OpenPrinting.
diff --git a/man/lpr.1 b/man/lpr.1
index 2ad6907d31..6757b4f4df 100644
--- a/man/lpr.1
+++ b/man/lpr.1
@@ -1,7 +1,7 @@
 .\"
 .\" lpr man page for CUPS.
 .\"
-.\" Copyright © 2021-2023 by OpenPrinting.
+.\" Copyright © 2020-2024 by OpenPrinting.
 .\" Copyright © 2007-2019 by Apple Inc.
 .\" Copyright © 1997-2006 by Easy Software Products.
 .\"
@@ -180,4 +180,4 @@ Print a presentation document 2-up to a printer called "foo":
 .BR lpstat (1),
 CUPS Online Help (http://localhost:631/help)
 .SH COPYRIGHT
-Copyright \[co] 2021-2023 by OpenPrinting.
+Copyright \[co] 2020-2024 by OpenPrinting.
diff --git a/man/lprm.1 b/man/lprm.1
index fc047f5e9c..cd4fbe9468 100644
--- a/man/lprm.1
+++ b/man/lprm.1
@@ -1,7 +1,7 @@
 .\"
 .\" lprm man page for CUPS.
 .\"
-.\" Copyright © 2021-2023 by OpenPrinting.
+.\" Copyright © 2020-2024 by OpenPrinting.
 .\" Copyright © 2007-2019 by Apple Inc.
 .\" Copyright © 1997-2006 by Easy Software Products.
 .\"
@@ -80,4 +80,4 @@ Cancel all jobs:
 .BR lpstat (1),
 CUPS Online Help (http://localhost:631/help)
 .SH COPYRIGHT
-Copyright \[co] 2021-2023 by OpenPrinting.
+Copyright \[co] 2020-2024 by OpenPrinting.
diff --git a/man/lpstat.1 b/man/lpstat.1
index 9197ed2820..e554fc9566 100644
--- a/man/lpstat.1
+++ b/man/lpstat.1
@@ -1,7 +1,7 @@
 .\"
 .\" lpstat man page for CUPS.
 .\"
-.\" Copyright © 2021-2023 by OpenPrinting.
+.\" Copyright © 2020-2024 by OpenPrinting.
 .\" Copyright © 2007-2019 by Apple Inc.
 .\" Copyright © 1997-2006 by Easy Software Products.
 .\"
@@ -147,4 +147,4 @@ The Solaris \fI\-f\fR, \fI\-P\fR, and \fI\-S\fR options are silently ignored.
 .BR lprm (1),
 CUPS Online Help (http://localhost:631/help)
 .SH COPYRIGHT
-Copyright \[co] 2021-2023 by OpenPrinting.
+Copyright \[co] 2020-2024 by OpenPrinting.
diff --git a/man/mailto.conf.5 b/man/mailto.conf.5
index 3513e5ce5f..0a899512a0 100644
--- a/man/mailto.conf.5
+++ b/man/mailto.conf.5
@@ -1,7 +1,7 @@
 .\"
 .\" mailto.conf man page for CUPS.
 .\"
-.\" Copyright © 2021-2023 by OpenPrinting.
+.\" Copyright © 2020-2024 by OpenPrinting.
 .\" Copyright © 2007-2019 by Apple Inc.
 .\" Copyright © 1997-2006 by Easy Software Products.
 .\"
@@ -42,4 +42,4 @@ Specifies a prefix string for the subject line of an email notification.
 .BR cupsd (8),
 CUPS Online Help (http://localhost:631/help)
 .SH COPYRIGHT
-Copyright \[co] 2021-2023 by OpenPrinting.
+Copyright \[co] 2020-2024 by OpenPrinting.
diff --git a/man/mime.convs.5 b/man/mime.convs.5
index db13efe427..4b7b726b68 100644
--- a/man/mime.convs.5
+++ b/man/mime.convs.5
@@ -1,7 +1,7 @@
 .\"
 .\" mime.convs man page for CUPS.
 .\"
-.\" Copyright © 2021-2023 by OpenPrinting.
+.\" Copyright © 2020-2024 by OpenPrinting.
 .\" Copyright © 2007-2019 by Apple Inc.
 .\" Copyright © 1997-2006 by Easy Software Products.
 .\"
@@ -60,4 +60,4 @@ Printers that do not support IPP can be supported using applications such as
 .BR mime.types (5),
 CUPS Online Help (http://localhost:631/help)
 .SH COPYRIGHT
-Copyright \[co] 2021-2023 by OpenPrinting.
+Copyright \[co] 2020-2024 by OpenPrinting.
diff --git a/man/mime.types.5 b/man/mime.types.5
index da94abe2b5..18b6447f6e 100644
--- a/man/mime.types.5
+++ b/man/mime.types.5
@@ -1,7 +1,7 @@
 .\"
 .\" mime.types man page for CUPS.
 .\"
-.\" Copyright © 2021-2023 by OpenPrinting.
+.\" Copyright © 2020-2024 by OpenPrinting.
 .\" Copyright © 2007-2019 by Apple Inc.
 .\" Copyright © 1997-2006 by Easy Software Products.
 .\"
@@ -106,4 +106,4 @@ Define two MIME media types for raster data, with one being a subset with higher
 .BR mime.convs (5),
 CUPS Online Help (http://localhost:631/help)
 .SH COPYRIGHT
-Copyright \[co] 2021-2023 by OpenPrinting.
+Copyright \[co] 2020-2024 by OpenPrinting.
diff --git a/man/notifier.7 b/man/notifier.7
index 8acf47efc1..e71fec4e73 100644
--- a/man/notifier.7
+++ b/man/notifier.7
@@ -1,7 +1,7 @@
 .\"
 .\" notifier man page for CUPS.
 .\"
-.\" Copyright © 2021-2023 by OpenPrinting.
+.\" Copyright © 2020-2024 by OpenPrinting.
 .\" Copyright © 2007-2019 by Apple Inc.
 .\" Copyright © 1997-2007 by Easy Software Products.
 .\"
@@ -34,4 +34,4 @@ Notifiers inherit the environment and can use the logging mechanism documented i
 .BR filter (7),
 CUPS Online Help (http://localhost:631/help)
 .SH COPYRIGHT
-Copyright \[co] 2021-2023 by OpenPrinting.
+Copyright \[co] 2020-2024 by OpenPrinting.
diff --git a/man/ppdc.1 b/man/ppdc.1
index 6bb048ae47..12acb89888 100644
--- a/man/ppdc.1
+++ b/man/ppdc.1
@@ -1,7 +1,7 @@
 .\"
 .\" ppdc man page for CUPS.
 .\"
-.\" Copyright © 2021-2023 by OpenPrinting.
+.\" Copyright © 2020-2024 by OpenPrinting.
 .\" Copyright © 2007-2019 by Apple Inc.
 .\" Copyright © 1997-2007 by Easy Software Products.
 .\"
@@ -100,4 +100,4 @@ Printers that do not support IPP can be supported using applications such as
 .BR ppdcfile (5),
 CUPS Online Help (http://localhost:631/help)
 .SH COPYRIGHT
-Copyright \[co] 2021-2023 by OpenPrinting.
+Copyright \[co] 2020-2024 by OpenPrinting.
diff --git a/man/ppdcfile.5 b/man/ppdcfile.5
index 12e862cf68..2918d53041 100644
--- a/man/ppdcfile.5
+++ b/man/ppdcfile.5
@@ -1,7 +1,7 @@
 .\"
 .\" ppdcfile man page for CUPS.
 .\"
-.\" Copyright © 2021-2023 by OpenPrinting.
+.\" Copyright © 2020-2024 by OpenPrinting.
 .\" Copyright © 2007-2019 by Apple Inc.
 .\" Copyright © 1997-2007 by Easy Software Products.
 .\"
@@ -159,4 +159,4 @@ Printers that do not support IPP can be supported using applications such as
 .BR ppdpo (1),
 CUPS Online Help (http://localhost:631/help)
 .SH COPYRIGHT
-Copyright \[co] 2021-2023 by OpenPrinting.
+Copyright \[co] 2020-2024 by OpenPrinting.
diff --git a/man/ppdhtml.1 b/man/ppdhtml.1
index 7189d673a0..769492a13c 100644
--- a/man/ppdhtml.1
+++ b/man/ppdhtml.1
@@ -1,7 +1,7 @@
 .\"
 .\" ppdhtml man page for CUPS.
 .\"
-.\" Copyright © 2021-2023 by OpenPrinting.
+.\" Copyright © 2020-2024 by OpenPrinting.
 .\" Copyright © 2007-2019 by Apple Inc.
 .\" Copyright © 1997-2007 by Easy Software Products.
 .\"
@@ -45,4 +45,4 @@ Printers that do not support IPP can be supported using applications such as
 .BR ppdpo (1),
 CUPS Online Help (http://localhost:631/help)
 .SH COPYRIGHT
-Copyright \[co] 2021-2023 by OpenPrinting.
+Copyright \[co] 2020-2024 by OpenPrinting.
diff --git a/man/ppdi.1 b/man/ppdi.1
index 40f74cdba6..5af5b4ca5d 100644
--- a/man/ppdi.1
+++ b/man/ppdi.1
@@ -1,7 +1,7 @@
 .\"
 .\" ppdi man page for CUPS.
 .\"
-.\" Copyright © 2021-2023 by OpenPrinting.
+.\" Copyright © 2020-2024 by OpenPrinting.
 .\" Copyright © 2007-2019 by Apple Inc.
 .\" Copyright © 1997-2007 by Easy Software Products.
 .\"
@@ -52,4 +52,4 @@ Printers that do not support IPP can be supported using applications such as
 .BR ppdcfile (5),
 CUPS Online Help (http://localhost:631/help)
 .SH COPYRIGHT
-Copyright \[co] 2021-2023 by OpenPrinting.
+Copyright \[co] 2020-2024 by OpenPrinting.
diff --git a/man/ppdmerge.1 b/man/ppdmerge.1
index af81d28192..9a9815f248 100644
--- a/man/ppdmerge.1
+++ b/man/ppdmerge.1
@@ -1,7 +1,7 @@
 .\"
 .\" ppdmerge man page for CUPS.
 .\"
-.\" Copyright © 2021-2023 by OpenPrinting.
+.\" Copyright © 2020-2024 by OpenPrinting.
 .\" Copyright © 2007-2019 by Apple Inc.
 .\" Copyright © 1997-2007 by Easy Software Products.
 .\"
@@ -48,4 +48,4 @@ Merging of different device PPDs will yield unpredictable results.
 .BR ppdcfile (5),
 CUPS Online Help (http://localhost:631/help)
 .SH COPYRIGHT
-Copyright \[co] 2021-2023 by OpenPrinting.
+Copyright \[co] 2020-2024 by OpenPrinting.
diff --git a/man/ppdpo.1 b/man/ppdpo.1
index c0f97c0165..81a24fc517 100644
--- a/man/ppdpo.1
+++ b/man/ppdpo.1
@@ -1,7 +1,7 @@
 .\"
 .\" ppdpo man page for CUPS.
 .\"
-.\" Copyright © 2021-2023 by OpenPrinting.
+.\" Copyright © 2020-2024 by OpenPrinting.
 .\" Copyright © 2007-2019 by Apple Inc.
 .\" Copyright © 1997-2007 by Easy Software Products.
 .\"
@@ -52,4 +52,4 @@ Printers that do not support IPP can be supported using applications such as
 .BR ppdcfile(5),
 CUPS Online Help (http://localhost:631/help)
 .SH COPYRIGHT
-Copyright \[co] 2021-2023 by OpenPrinting.
+Copyright \[co] 2020-2024 by OpenPrinting.
diff --git a/man/printers.conf.5 b/man/printers.conf.5
index 8d77ffa497..ebf6f7f21c 100644
--- a/man/printers.conf.5
+++ b/man/printers.conf.5
@@ -1,7 +1,7 @@
 .\"
 .\" printers.conf man page for CUPS.
 .\"
-.\" Copyright © 2021-2023 by OpenPrinting.
+.\" Copyright © 2020-2024 by OpenPrinting.
 .\" Copyright 2007-2019 by Apple Inc.
 .\" Copyright 1997-2006 by Easy Software Products.
 .\"
@@ -26,4 +26,4 @@ The name, location, and format of this file are an implementation detail that wi
 .BR subscriptions.conf (5),
 CUPS Online Help (http://localhost:631/help)
 .SH COPYRIGHT
-Copyright \[co] 2021-2023 by OpenPrinting.
+Copyright \[co] 2020-2024 by OpenPrinting.
diff --git a/man/subscriptions.conf.5 b/man/subscriptions.conf.5
index be2411dd60..0ef9ee1e0f 100644
--- a/man/subscriptions.conf.5
+++ b/man/subscriptions.conf.5
@@ -1,7 +1,7 @@
 .\"
 .\" subscriptions.conf man page for CUPS.
 .\"
-.\" Copyright © 2021-2023 by OpenPrinting.
+.\" Copyright © 2020-2024 by OpenPrinting.
 .\" Copyright © 2007-2019 by Apple Inc.
 .\" Copyright © 1997-2006 by Easy Software Products.
 .\"
@@ -29,4 +29,4 @@ The name, location, and format of this file are an implementation detail that wi
 .BR printers.conf (5),
 CUPS Online Help (http://localhost:631/help)
 .SH COPYRIGHT
-Copyright \[co] 2021-2023 by OpenPrinting.
+Copyright \[co] 2020-2024 by OpenPrinting.
diff --git a/monitor/Makefile b/monitor/Makefile
index 1ea6d72ec3..2b83791201 100644
--- a/monitor/Makefile
+++ b/monitor/Makefile
@@ -1,6 +1,7 @@
 #
 # Port monitor makefile for CUPS.
 #
+# Copyright © 2020-2024 by OpenPrinting.
 # Copyright 2007-2019 by Apple Inc.
 # Copyright 2006 by Easy Software Products.
 #
diff --git a/monitor/bcp.c b/monitor/bcp.c
index 26d4a45c7a..455089c382 100644
--- a/monitor/bcp.c
+++ b/monitor/bcp.c
@@ -1,6 +1,7 @@
 /*
  * TBCP port monitor for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright 2007-2014 by Apple Inc.
  * Copyright 1993-2006 by Easy Software Products.
  *
diff --git a/monitor/tbcp.c b/monitor/tbcp.c
index c36a812cda..e6e1fc3fc6 100644
--- a/monitor/tbcp.c
+++ b/monitor/tbcp.c
@@ -1,6 +1,7 @@
 /*
  * TBCP port monitor for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright 2007-2014 by Apple Inc.
  * Copyright 1993-2006 by Easy Software Products.
  *
diff --git a/notifier/Makefile b/notifier/Makefile
index a95b96f7e1..fa2c7f2f79 100644
--- a/notifier/Makefile
+++ b/notifier/Makefile
@@ -1,6 +1,7 @@
 #
 # Notifier makefile for CUPS.
 #
+# Copyright © 2020-2024 by OpenPrinting.
 # Copyright 2007-2019 by Apple Inc.
 # Copyright 1997-2007 by Easy Software Products, all rights reserved.
 #
diff --git a/notifier/dbus.c b/notifier/dbus.c
index 1ebd2eaf47..7151567ccb 100644
--- a/notifier/dbus.c
+++ b/notifier/dbus.c
@@ -1,6 +1,7 @@
 /*
  * D-Bus notifier for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright 2008-2014 by Apple Inc.
  * Copyright (C) 2011, 2013 Red Hat, Inc.
  * Copyright (C) 2007 Tim Waugh <twaugh@redhat.com>
diff --git a/notifier/mailto.c b/notifier/mailto.c
index 93258556a7..6a48161870 100644
--- a/notifier/mailto.c
+++ b/notifier/mailto.c
@@ -1,6 +1,7 @@
 /*
  * "mailto" notifier for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2007-2018 by Apple Inc.
  * Copyright © 1997-2005 by Easy Software Products.
  *
diff --git a/notifier/rss.c b/notifier/rss.c
index 5c652fdb90..f17e1494c6 100644
--- a/notifier/rss.c
+++ b/notifier/rss.c
@@ -1,6 +1,7 @@
 /*
  * RSS notifier for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright 2007-2015 by Apple Inc.
  * Copyright 2007 by Easy Software Products.
  *
diff --git a/notifier/testnotify.c b/notifier/testnotify.c
index ce4594b5bb..fbd2745e9d 100644
--- a/notifier/testnotify.c
+++ b/notifier/testnotify.c
@@ -1,6 +1,7 @@
 /*
  * Test notifier for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright 2007-2016 by Apple Inc.
  * Copyright 1997-2005 by Easy Software Products.
  *
diff --git a/ppdc/Makefile b/ppdc/Makefile
index 32e2e0bd0b..e36ed11907 100644
--- a/ppdc/Makefile
+++ b/ppdc/Makefile
@@ -1,6 +1,7 @@
 #
 # Makefile for the CUPS PPD Compiler.
 #
+# Copyright © 2020-2024 by OpenPrinting.
 # Copyright © 2007-2019 by Apple Inc.
 # Copyright © 2002-2006 by Easy Software Products.
 #
diff --git a/ppdc/foo.drv b/ppdc/foo.drv
index b7a5614b1f..64eb8f0952 100644
--- a/ppdc/foo.drv
+++ b/ppdc/foo.drv
@@ -1,6 +1,7 @@
 //
 // PPD file compiler test data file for CUPS.
 //
+// Copyright © 2020-2024 by OpenPrinting.
 // Copyright © 2007-2011 by Apple Inc.
 // Copyright © 1997-2003 by Easy Software Products.
 //
diff --git a/ppdc/genstrings.cxx b/ppdc/genstrings.cxx
index 2d8c5de3f7..3cd8ce5544 100644
--- a/ppdc/genstrings.cxx
+++ b/ppdc/genstrings.cxx
@@ -5,6 +5,7 @@
 // the standard media and sample driver strings.  The results are picked up
 // by GNU gettext and placed in the CUPS message catalog.
 //
+// Copyright © 2020-2024 by OpenPrinting.
 // Copyright 2008-2014 by Apple Inc.
 //
 // Licensed under Apache License v2.0.  See the file "LICENSE" for more information.
diff --git a/ppdc/ppdc-array.cxx b/ppdc/ppdc-array.cxx
index 3a0cab33be..d06d864fdc 100644
--- a/ppdc/ppdc-array.cxx
+++ b/ppdc/ppdc-array.cxx
@@ -1,6 +1,7 @@
 //
 // Array class for the CUPS PPD Compiler.
 //
+// Copyright © 2020-2024 by OpenPrinting.
 // Copyright 2007-2019 by Apple Inc.
 // Copyright 2002-2005 by Easy Software Products.
 //
diff --git a/ppdc/ppdc-attr.cxx b/ppdc/ppdc-attr.cxx
index 5bd6b213b7..ea4883a76a 100644
--- a/ppdc/ppdc-attr.cxx
+++ b/ppdc/ppdc-attr.cxx
@@ -1,6 +1,7 @@
 //
 // Attribute class for the CUPS PPD Compiler.
 //
+// Copyright © 2020-2024 by OpenPrinting.
 // Copyright 2007-2009 by Apple Inc.
 // Copyright 2002-2005 by Easy Software Products.
 //
diff --git a/ppdc/ppdc-catalog.cxx b/ppdc/ppdc-catalog.cxx
index 1788d0d37d..185d406473 100644
--- a/ppdc/ppdc-catalog.cxx
+++ b/ppdc/ppdc-catalog.cxx
@@ -1,6 +1,7 @@
 //
 // Shared message catalog class for the CUPS PPD Compiler.
 //
+// Copyright © 2020-2024 by OpenPrinting.
 // Copyright 2007-2017 by Apple Inc.
 // Copyright 2002-2006 by Easy Software Products.
 //
diff --git a/ppdc/ppdc-choice.cxx b/ppdc/ppdc-choice.cxx
index cb514d5e52..e248c431ac 100644
--- a/ppdc/ppdc-choice.cxx
+++ b/ppdc/ppdc-choice.cxx
@@ -1,6 +1,7 @@
 //
 // Option choice class for the CUPS PPD Compiler.
 //
+// Copyright © 2020-2024 by OpenPrinting.
 // Copyright 2007-2009 by Apple Inc.
 // Copyright 2002-2005 by Easy Software Products.
 //
diff --git a/ppdc/ppdc-constraint.cxx b/ppdc/ppdc-constraint.cxx
index 43da9e977d..234acdee75 100644
--- a/ppdc/ppdc-constraint.cxx
+++ b/ppdc/ppdc-constraint.cxx
@@ -1,6 +1,7 @@
 //
 // Constraint class for the CUPS PPD Compiler.
 //
+// Copyright © 2020-2024 by OpenPrinting.
 // Copyright 2007-2009 by Apple Inc.
 // Copyright 2002-2005 by Easy Software Products.
 //
diff --git a/ppdc/ppdc-driver.cxx b/ppdc/ppdc-driver.cxx
index 7f739b2dd7..e3e7b7dd38 100644
--- a/ppdc/ppdc-driver.cxx
+++ b/ppdc/ppdc-driver.cxx
@@ -1,6 +1,7 @@
 //
 // PPD file compiler definitions for the CUPS PPD Compiler.
 //
+// Copyright © 2020-2024 by OpenPrinting.
 // Copyright © 2007-2019 by Apple Inc.
 // Copyright © 2002-2006 by Easy Software Products.
 //
diff --git a/ppdc/ppdc-file.cxx b/ppdc/ppdc-file.cxx
index 51bb6ee377..3b210900a1 100644
--- a/ppdc/ppdc-file.cxx
+++ b/ppdc/ppdc-file.cxx
@@ -1,6 +1,7 @@
 //
 // File class for the CUPS PPD Compiler.
 //
+// Copyright © 2020-2024 by OpenPrinting.
 // Copyright 2007-2010 by Apple Inc.
 // Copyright 2002-2005 by Easy Software Products.
 //
diff --git a/ppdc/ppdc-filter.cxx b/ppdc/ppdc-filter.cxx
index e85d12184b..175c233e3f 100644
--- a/ppdc/ppdc-filter.cxx
+++ b/ppdc/ppdc-filter.cxx
@@ -1,6 +1,7 @@
 //
 // Filter class for the CUPS PPD Compiler.
 //
+// Copyright © 2020-2024 by OpenPrinting.
 // Copyright 2007-2009 by Apple Inc.
 // Copyright 2002-2005 by Easy Software Products.
 //
diff --git a/ppdc/ppdc-font.cxx b/ppdc/ppdc-font.cxx
index 8a9f65a841..48ce163a2a 100644
--- a/ppdc/ppdc-font.cxx
+++ b/ppdc/ppdc-font.cxx
@@ -1,6 +1,7 @@
 //
 // Shared font class for the CUPS PPD Compiler.
 //
+// Copyright © 2020-2024 by OpenPrinting.
 // Copyright 2007-2009 by Apple Inc.
 // Copyright 2002-2005 by Easy Software Products.
 //
diff --git a/ppdc/ppdc-group.cxx b/ppdc/ppdc-group.cxx
index ee66caa70b..3803e30918 100644
--- a/ppdc/ppdc-group.cxx
+++ b/ppdc/ppdc-group.cxx
@@ -1,6 +1,7 @@
 //
 // Group class for the CUPS PPD Compiler.
 //
+// Copyright © 2020-2024 by OpenPrinting.
 // Copyright 2007-2011 by Apple Inc.
 // Copyright 2002-2005 by Easy Software Products.
 //
diff --git a/ppdc/ppdc-import.cxx b/ppdc/ppdc-import.cxx
index d12d0c244e..bd5a0531be 100644
--- a/ppdc/ppdc-import.cxx
+++ b/ppdc/ppdc-import.cxx
@@ -1,6 +1,7 @@
 //
 // PPD file import methods for the CUPS PPD Compiler.
 //
+// Copyright © 2020-2024 by OpenPrinting.
 // Copyright 2007-2011 by Apple Inc.
 // Copyright 2002-2006 by Easy Software Products.
 //
diff --git a/ppdc/ppdc-mediasize.cxx b/ppdc/ppdc-mediasize.cxx
index a93d7e7946..8d3cc6bc5d 100644
--- a/ppdc/ppdc-mediasize.cxx
+++ b/ppdc/ppdc-mediasize.cxx
@@ -1,6 +1,7 @@
 //
 // Shared media size class for the CUPS PPD Compiler.
 //
+// Copyright © 2020-2024 by OpenPrinting.
 // Copyright 2007-2009 by Apple Inc.
 // Copyright 2002-2005 by Easy Software Products.
 //
diff --git a/ppdc/ppdc-message.cxx b/ppdc/ppdc-message.cxx
index 8d6ec7e5b5..32c9387f01 100644
--- a/ppdc/ppdc-message.cxx
+++ b/ppdc/ppdc-message.cxx
@@ -1,6 +1,7 @@
 //
 // Shared message class for the CUPS PPD Compiler.
 //
+// Copyright © 2020-2024 by OpenPrinting.
 // Copyright 2007-2009 by Apple Inc.
 // Copyright 2002-2005 by Easy Software Products.
 //
diff --git a/ppdc/ppdc-option.cxx b/ppdc/ppdc-option.cxx
index 4b9cc30dd7..54b9e8dcd8 100644
--- a/ppdc/ppdc-option.cxx
+++ b/ppdc/ppdc-option.cxx
@@ -1,6 +1,7 @@
 //
 // Option class for the CUPS PPD Compiler.
 //
+// Copyright © 2020-2024 by OpenPrinting.
 // Copyright 2007-2011 by Apple Inc.
 // Copyright 2002-2005 by Easy Software Products.
 //
diff --git a/ppdc/ppdc-private.h b/ppdc/ppdc-private.h
index 1f2e60617b..cb242886ee 100644
--- a/ppdc/ppdc-private.h
+++ b/ppdc/ppdc-private.h
@@ -1,6 +1,7 @@
 //
 // Private definitions for the CUPS PPD Compiler.
 //
+// Copyright © 2020-2024 by OpenPrinting.
 // Copyright 2009-2010 by Apple Inc.
 //
 // Licensed under Apache License v2.0.  See the file "LICENSE" for more information.
diff --git a/ppdc/ppdc-profile.cxx b/ppdc/ppdc-profile.cxx
index 3fbf9688f9..41203f762c 100644
--- a/ppdc/ppdc-profile.cxx
+++ b/ppdc/ppdc-profile.cxx
@@ -1,6 +1,7 @@
 //
 // Color profile class for the CUPS PPD Compiler.
 //
+// Copyright © 2020-2024 by OpenPrinting.
 // Copyright 2007-2009 by Apple Inc.
 // Copyright 2002-2005 by Easy Software Products.
 //
diff --git a/ppdc/ppdc-shared.cxx b/ppdc/ppdc-shared.cxx
index 1b0152d3b3..320f8a351b 100644
--- a/ppdc/ppdc-shared.cxx
+++ b/ppdc/ppdc-shared.cxx
@@ -1,6 +1,7 @@
 //
 // Shared data class for the CUPS PPD Compiler.
 //
+// Copyright © 2020-2024 by OpenPrinting.
 // Copyright 2007-2009 by Apple Inc.
 // Copyright 2002-2005 by Easy Software Products.
 //
diff --git a/ppdc/ppdc-source.cxx b/ppdc/ppdc-source.cxx
index e1657c6b04..0738c97efb 100644
--- a/ppdc/ppdc-source.cxx
+++ b/ppdc/ppdc-source.cxx
@@ -1,6 +1,7 @@
 //
 // Source class for the CUPS PPD Compiler.
 //
+// Copyright © 2020-2024 by OpenPrinting.
 // Copyright 2007-2018 by Apple Inc.
 // Copyright 2002-2007 by Easy Software Products.
 //
diff --git a/ppdc/ppdc-string.cxx b/ppdc/ppdc-string.cxx
index b28294e1a5..1f4e85804c 100644
--- a/ppdc/ppdc-string.cxx
+++ b/ppdc/ppdc-string.cxx
@@ -1,6 +1,7 @@
 //
 // Shared string class for the CUPS PPD Compiler.
 //
+// Copyright © 2020-2024 by OpenPrinting.
 // Copyright 2007-2012 by Apple Inc.
 // Copyright 2002-2005 by Easy Software Products.
 //
diff --git a/ppdc/ppdc-variable.cxx b/ppdc/ppdc-variable.cxx
index f84dedaa2f..1669fb022a 100644
--- a/ppdc/ppdc-variable.cxx
+++ b/ppdc/ppdc-variable.cxx
@@ -1,6 +1,7 @@
 //
 // Variable class for the CUPS PPD Compiler.
 //
+// Copyright © 2020-2024 by OpenPrinting.
 // Copyright 2007-2009 by Apple Inc.
 // Copyright 2002-2005 by Easy Software Products.
 //
diff --git a/ppdc/ppdc.cxx b/ppdc/ppdc.cxx
index 385f456413..2f86a7001a 100644
--- a/ppdc/ppdc.cxx
+++ b/ppdc/ppdc.cxx
@@ -1,6 +1,7 @@
 //
 // PPD file compiler main entry for the CUPS PPD Compiler.
 //
+// Copyright © 2020-2024 by OpenPrinting.
 // Copyright 2007-2014 by Apple Inc.
 // Copyright 2002-2007 by Easy Software Products.
 //
diff --git a/ppdc/ppdc.h b/ppdc/ppdc.h
index 256ce7dd2b..7273282510 100644
--- a/ppdc/ppdc.h
+++ b/ppdc/ppdc.h
@@ -1,6 +1,7 @@
 //
 // Definitions for the CUPS PPD Compiler.
 //
+// Copyright © 2020-2024 by OpenPrinting.
 // Copyright 2007-2019 by Apple Inc.
 // Copyright 2002-2007 by Easy Software Products.
 //
diff --git a/ppdc/ppdhtml.cxx b/ppdc/ppdhtml.cxx
index cb2a784b2b..2eb93948eb 100644
--- a/ppdc/ppdhtml.cxx
+++ b/ppdc/ppdhtml.cxx
@@ -1,6 +1,7 @@
 //
 // PPD to HTML utility for the CUPS PPD Compiler.
 //
+// Copyright © 2020-2024 by OpenPrinting.
 // Copyright 2007-2015 by Apple Inc.
 // Copyright 2002-2005 by Easy Software Products.
 //
diff --git a/ppdc/ppdi.cxx b/ppdc/ppdi.cxx
index f5aa4db520..20587ea558 100644
--- a/ppdc/ppdi.cxx
+++ b/ppdc/ppdi.cxx
@@ -1,6 +1,7 @@
 //
 // PPD file import utility for the CUPS PPD Compiler.
 //
+// Copyright © 2020-2024 by OpenPrinting.
 // Copyright 2007-2011 by Apple Inc.
 // Copyright 2002-2005 by Easy Software Products.
 //
diff --git a/ppdc/ppdmerge.cxx b/ppdc/ppdmerge.cxx
index cd83964fae..e843b53316 100644
--- a/ppdc/ppdmerge.cxx
+++ b/ppdc/ppdmerge.cxx
@@ -1,6 +1,7 @@
 //
 // PPD file merge utility for the CUPS PPD Compiler.
 //
+// Copyright © 2020-2024 by OpenPrinting.
 // Copyright © 2007-2018 by Apple Inc.
 // Copyright © 2002-2007 by Easy Software Products.
 //
diff --git a/ppdc/ppdpo.cxx b/ppdc/ppdpo.cxx
index 01f765e442..13c6ac0cca 100644
--- a/ppdc/ppdpo.cxx
+++ b/ppdc/ppdpo.cxx
@@ -1,6 +1,7 @@
 //
 // PPD file message catalog program for the CUPS PPD Compiler.
 //
+// Copyright © 2020-2024 by OpenPrinting.
 // Copyright 2007-2015 by Apple Inc.
 // Copyright 2002-2005 by Easy Software Products.
 //
diff --git a/ppdc/sample.drv b/ppdc/sample.drv
index 2e919b7e4b..1c84aa3bf2 100644
--- a/ppdc/sample.drv
+++ b/ppdc/sample.drv
@@ -1,7 +1,7 @@
 //
 // Driver info file for CUPS-supplied PPDs.
 //
-// Copyright © 2021-2023 by OpenPrinting.
+// Copyright © 2020-2024 by OpenPrinting.
 // Copyright © 2007-2019 by Apple Inc.
 // Copyright © 1993-2006 by Easy Software Products.
 //
@@ -123,7 +123,7 @@ Attribute "FileSystem" "" "False"
 Attribute "LandscapeOrientation" "" "Plus90"
 Attribute "TTRasterizer" "" "Type42"
 
-Copyright "Copyright (c) 2021-2023 by OpenPrinting."
+Copyright "Copyright (c) 2020-2024 by OpenPrinting."
 Copyright "Copyright (c) 2007-2019 by Apple Inc."
 Copyright "Copyright (c) 1997-2007 by Easy Software Products."
 Copyright ""
diff --git a/ppdc/testcatalog.cxx b/ppdc/testcatalog.cxx
index 3cb9542904..9b8e0c27e0 100644
--- a/ppdc/testcatalog.cxx
+++ b/ppdc/testcatalog.cxx
@@ -1,6 +1,7 @@
 //
 // Test program for message catalog class.
 //
+// Copyright © 2020-2024 by OpenPrinting.
 // Copyright © 2008-2019 by Apple Inc.
 //
 // Licensed under Apache License v2.0.  See the file "LICENSE" for more
diff --git a/scheduler/auth.c b/scheduler/auth.c
index 7f6c3f6d2f..c6d6a6b9c1 100644
--- a/scheduler/auth.c
+++ b/scheduler/auth.c
@@ -1,7 +1,7 @@
 /*
  * Authorization routines for the CUPS scheduler.
  *
- * Copyright © 2021-2023 by OpenPrinting.
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2007-2019 by Apple Inc.
  * Copyright © 1997-2007 by Easy Software Products, all rights reserved.
  *
diff --git a/scheduler/auth.h b/scheduler/auth.h
index 14885b0283..97beb8e28d 100644
--- a/scheduler/auth.h
+++ b/scheduler/auth.h
@@ -1,7 +1,7 @@
 /*
  * Authorization definitions for the CUPS scheduler.
  *
- * Copyright © 2021-2023 by OpenPrinting.
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright 2007-2014 by Apple Inc.
  * Copyright 1997-2006 by Easy Software Products, all rights reserved.
  *
diff --git a/scheduler/banners.c b/scheduler/banners.c
index e939923020..4a6ded5375 100644
--- a/scheduler/banners.c
+++ b/scheduler/banners.c
@@ -1,6 +1,7 @@
 /*
  * Banner routines for the CUPS scheduler.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright 2007-2011 by Apple Inc.
  * Copyright 1997-2006 by Easy Software Products.
  *
diff --git a/scheduler/banners.h b/scheduler/banners.h
index 1bc3702aba..f08b733437 100644
--- a/scheduler/banners.h
+++ b/scheduler/banners.h
@@ -1,6 +1,7 @@
 /*
  * Banner definitions for the CUPS scheduler.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright 2007-2010 by Apple Inc.
  * Copyright 1997-2006 by Easy Software Products.
  *
diff --git a/scheduler/cert.c b/scheduler/cert.c
index 8f3829c22c..3695a62d93 100644
--- a/scheduler/cert.c
+++ b/scheduler/cert.c
@@ -1,7 +1,7 @@
 /*
  * Authentication certificate routines for the CUPS scheduler.
  *
- * Copyright © 2021-2023 by OpenPrinting.
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2007-2016 by Apple Inc.
  * Copyright © 1997-2006 by Easy Software Products.
  *
diff --git a/scheduler/cert.h b/scheduler/cert.h
index a49663dc32..65c2176f32 100644
--- a/scheduler/cert.h
+++ b/scheduler/cert.h
@@ -1,6 +1,7 @@
 /*
  * Authentication certificate definitions for the CUPS scheduler.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright 2007-2012 by Apple Inc.
  * Copyright 1997-2005 by Easy Software Products.
  *
diff --git a/scheduler/classes.c b/scheduler/classes.c
index 8e24f9ba41..03ea04c9ae 100644
--- a/scheduler/classes.c
+++ b/scheduler/classes.c
@@ -1,6 +1,7 @@
 /*
  * Printer class routines for the CUPS scheduler.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright 2007-2017 by Apple Inc.
  * Copyright 1997-2007 by Easy Software Products, all rights reserved.
  *
diff --git a/scheduler/classes.h b/scheduler/classes.h
index 1f375c0e15..9d62eb043a 100644
--- a/scheduler/classes.h
+++ b/scheduler/classes.h
@@ -1,6 +1,7 @@
 /*
  * Printer class definitions for the CUPS scheduler.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright 2007-2011 by Apple Inc.
  * Copyright 1997-2005 by Easy Software Products, all rights reserved.
  *
diff --git a/scheduler/client.c b/scheduler/client.c
index 327473a4d1..5791a7a8ce 100644
--- a/scheduler/client.c
+++ b/scheduler/client.c
@@ -1,7 +1,7 @@
 /*
  * Client routines for the CUPS scheduler.
  *
- * Copyright © 2021-2023 by OpenPrinting.
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2007-2021 by Apple Inc.
  * Copyright © 1997-2007 by Easy Software Products, all rights reserved.
  *
diff --git a/scheduler/client.h b/scheduler/client.h
index e12a860dd6..6e0892e5ae 100644
--- a/scheduler/client.h
+++ b/scheduler/client.h
@@ -1,7 +1,7 @@
 /*
  * Client definitions for the CUPS scheduler.
  *
- * Copyright © 2021-2023 by OpenPrinting.
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2007-2018 by Apple Inc.
  * Copyright © 1997-2007 by Easy Software Products, all rights reserved.
  *
diff --git a/scheduler/colorman.c b/scheduler/colorman.c
index 1dfb543540..51e3ff2f8f 100644
--- a/scheduler/colorman.c
+++ b/scheduler/colorman.c
@@ -1,7 +1,7 @@
 /*
  * Color management routines for the CUPS scheduler.
  *
- * Copyright © 2021-2023 by OpenPrinting.
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2007-2014 by Apple Inc.
  * Copyright © 1997-2007 by Easy Software Products, all rights reserved.
  *
diff --git a/scheduler/colorman.h b/scheduler/colorman.h
index 0e3b773ede..bdf2df2150 100644
--- a/scheduler/colorman.h
+++ b/scheduler/colorman.h
@@ -1,6 +1,7 @@
 /*
  * Color management definitions for the CUPS scheduler.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright 2007-2012 by Apple Inc.
  * Copyright 1997-2007 by Easy Software Products, all rights reserved.
  *
diff --git a/scheduler/conf.c b/scheduler/conf.c
index 4fa7eb1df0..defca78aae 100644
--- a/scheduler/conf.c
+++ b/scheduler/conf.c
@@ -1,7 +1,7 @@
 /*
  * Configuration routines for the CUPS scheduler.
  *
- * Copyright © 2021-2023 by OpenPrinting.
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2007-2018 by Apple Inc.
  * Copyright © 1997-2007 by Easy Software Products, all rights reserved.
  *
diff --git a/scheduler/conf.h b/scheduler/conf.h
index 96c0fa5863..2e5aac6ce8 100644
--- a/scheduler/conf.h
+++ b/scheduler/conf.h
@@ -1,7 +1,7 @@
 /*
  * Configuration file definitions for the CUPS scheduler.
  *
- * Copyright © 2021-2023 by OpenPrinting.
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2007-2018 by Apple Inc.
  * Copyright © 1997-2007 by Easy Software Products, all rights reserved.
  *
diff --git a/scheduler/cups-deviced.c b/scheduler/cups-deviced.c
index 44bb58fe48..20007a586a 100644
--- a/scheduler/cups-deviced.c
+++ b/scheduler/cups-deviced.c
@@ -1,6 +1,7 @@
 /*
  * Device scanning mini-daemon for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2007-2018 by Apple Inc.
  * Copyright © 1997-2006 by Easy Software Products.
  *
diff --git a/scheduler/cups-driverd.cxx b/scheduler/cups-driverd.cxx
index ef45e92671..56cbf18b64 100644
--- a/scheduler/cups-driverd.cxx
+++ b/scheduler/cups-driverd.cxx
@@ -5,7 +5,7 @@
  * created from driver information files, and dynamically generated PPD files
  * using driver helper programs.
  *
- * Copyright © 2021-2023 by OpenPrinting.
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2007-2019 by Apple Inc.
  * Copyright © 1997-2007 by Easy Software Products.
  *
diff --git a/scheduler/cups-exec.c b/scheduler/cups-exec.c
index 61a7c1033f..4551266ea3 100644
--- a/scheduler/cups-exec.c
+++ b/scheduler/cups-exec.c
@@ -1,7 +1,7 @@
 /*
  * Sandbox helper for CUPS.
  *
- * Copyright © 2021-2023 by OpenPrinting.
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2007-2014 by Apple Inc.
  *
  * Licensed under Apache License v2.0.  See the file "LICENSE" for more
diff --git a/scheduler/cups-lpd.c b/scheduler/cups-lpd.c
index e2319f81b4..8186b5d4a0 100644
--- a/scheduler/cups-lpd.c
+++ b/scheduler/cups-lpd.c
@@ -1,7 +1,7 @@
 /*
  * Line Printer Daemon interface for CUPS.
  *
- * Copyright © 2021-2023 by OpenPrinting.
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2007-2016 by Apple Inc.
  * Copyright © 1997-2006 by Easy Software Products, all rights reserved.
  *
diff --git a/scheduler/cups.sh.in b/scheduler/cups.sh.in
index 89ac36de31..74cce18acd 100644
--- a/scheduler/cups.sh.in
+++ b/scheduler/cups.sh.in
@@ -2,6 +2,7 @@
 #
 # Startup/shutdown script for CUPS.
 #
+# Copyright © 2020-2024 by OpenPrinting.
 # Copyright © 2007-2013 by Apple Inc.
 # Copyright © 1997-2007 by Easy Software Products, all rights reserved.
 #
diff --git a/scheduler/cupsd.h b/scheduler/cupsd.h
index bc1350e7e7..763c585915 100644
--- a/scheduler/cupsd.h
+++ b/scheduler/cupsd.h
@@ -1,6 +1,7 @@
 /*
  * Main header file for the CUPS scheduler.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2007-2018 by Apple Inc.
  * Copyright © 1997-2007 by Easy Software Products, all rights reserved.
  *
diff --git a/scheduler/dirsvc.c b/scheduler/dirsvc.c
index a438765a5e..f9a102a869 100644
--- a/scheduler/dirsvc.c
+++ b/scheduler/dirsvc.c
@@ -1,7 +1,7 @@
 /*
  * Directory services routines for the CUPS scheduler.
  *
- * Copyright © 2021-2023 by OpenPrinting.
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2007-2018 by Apple Inc.
  * Copyright © 1997-2007 by Easy Software Products, all rights reserved.
  *
diff --git a/scheduler/dirsvc.h b/scheduler/dirsvc.h
index f21de5c69f..ffe4d2a0dd 100644
--- a/scheduler/dirsvc.h
+++ b/scheduler/dirsvc.h
@@ -1,7 +1,7 @@
 /*
  * Directory services definitions for the CUPS scheduler.
  *
- * Copyright © 2021-2023 by OpenPrinting.
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2007-2017 by Apple Inc.
  * Copyright © 1997-2007 by Easy Software Products, all rights reserved.
  *
diff --git a/scheduler/env.c b/scheduler/env.c
index e0553df4ce..03fa0b1bca 100644
--- a/scheduler/env.c
+++ b/scheduler/env.c
@@ -1,7 +1,7 @@
 /*
  * Environment management routines for the CUPS scheduler.
  *
- * Copyright © 2021 by OpenPrinting.
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2007-2016 by Apple Inc.
  * Copyright © 1997-2006 by Easy Software Products, all rights reserved.
  *
diff --git a/scheduler/file.c b/scheduler/file.c
index af59ff3c76..e0a5a45401 100644
--- a/scheduler/file.c
+++ b/scheduler/file.c
@@ -1,6 +1,7 @@
 /*
  * File functions for the CUPS scheduler.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2007-2014 by Apple Inc.
  * Copyright © 1997-2007 by Easy Software Products, all rights reserved.
  *
diff --git a/scheduler/filter.c b/scheduler/filter.c
index 5596d623cc..b9d38b4146 100644
--- a/scheduler/filter.c
+++ b/scheduler/filter.c
@@ -1,6 +1,7 @@
 /*
  * File type conversion routines for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright 2007-2011 by Apple Inc.
  * Copyright 1997-2007 by Easy Software Products, all rights reserved.
  *
diff --git a/scheduler/job.c b/scheduler/job.c
index 093272329b..5ba9bfe0f7 100644
--- a/scheduler/job.c
+++ b/scheduler/job.c
@@ -1,7 +1,7 @@
 /*
  * Job management routines for the CUPS scheduler.
  *
- * Copyright © 2022-2023 by OpenPrinting.
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2007-2019 by Apple Inc.
  * Copyright © 1997-2007 by Easy Software Products, all rights reserved.
  *
diff --git a/scheduler/job.h b/scheduler/job.h
index 2400ea9a6f..619353d1bb 100644
--- a/scheduler/job.h
+++ b/scheduler/job.h
@@ -1,6 +1,7 @@
 /*
  * Print job definitions for the CUPS scheduler.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright 2007-2015 by Apple Inc.
  * Copyright 1997-2007 by Easy Software Products, all rights reserved.
  *
diff --git a/scheduler/listen.c b/scheduler/listen.c
index f6f7c3a25d..1800c38c57 100644
--- a/scheduler/listen.c
+++ b/scheduler/listen.c
@@ -1,6 +1,7 @@
 /*
  * Server listening routines for the CUPS scheduler.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright 2007-2016 by Apple Inc.
  * Copyright 1997-2006 by Easy Software Products, all rights reserved.
  *
diff --git a/scheduler/log.c b/scheduler/log.c
index 8a2996e30d..dbaa4a8f99 100644
--- a/scheduler/log.c
+++ b/scheduler/log.c
@@ -1,7 +1,7 @@
 /*
  * Log file routines for the CUPS scheduler.
  *
- * Copyright © 2021-2023 by OpenPrinting.
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2007-2018 by Apple Inc.
  * Copyright © 1997-2007 by Easy Software Products, all rights reserved.
  *
diff --git a/scheduler/main.c b/scheduler/main.c
index d971d4ffe8..4472863081 100644
--- a/scheduler/main.c
+++ b/scheduler/main.c
@@ -1,7 +1,7 @@
 /*
  * Main loop for the CUPS scheduler.
  *
- * Copyright © 2021-2023 by OpenPrinting.
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2007-2019 by Apple Inc.
  * Copyright © 1997-2007 by Easy Software Products, all rights reserved.
  *
diff --git a/scheduler/mime-private.h b/scheduler/mime-private.h
index 9ca5dc95f2..5fe0855cd9 100644
--- a/scheduler/mime-private.h
+++ b/scheduler/mime-private.h
@@ -1,6 +1,7 @@
 /*
  * Private MIME type/conversion database definitions for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2011-2018 by Apple Inc.
  *
  * Licensed under Apache License v2.0.  See the file "LICENSE" for more
diff --git a/scheduler/mime.c b/scheduler/mime.c
index d60d4efb95..97610a9397 100644
--- a/scheduler/mime.c
+++ b/scheduler/mime.c
@@ -1,6 +1,7 @@
 /*
  * MIME database file routines for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright 2007-2014 by Apple Inc.
  * Copyright 1997-2006 by Easy Software Products, all rights reserved.
  *
diff --git a/scheduler/mime.h b/scheduler/mime.h
index ea71415b06..d0d1559770 100644
--- a/scheduler/mime.h
+++ b/scheduler/mime.h
@@ -1,6 +1,7 @@
 /*
  * MIME type/conversion database definitions for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright 2007-2013 by Apple Inc.
  * Copyright 1997-2007 by Easy Software Products, all rights reserved.
  *
diff --git a/scheduler/network.c b/scheduler/network.c
index 5ba00a1fb6..058326b526 100644
--- a/scheduler/network.c
+++ b/scheduler/network.c
@@ -1,6 +1,7 @@
 /*
  * Network interface functions for the CUPS scheduler.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2007-2018 by Apple Inc.
  * Copyright © 1997-2006 by Easy Software Products, all rights reserved.
  *
diff --git a/scheduler/network.h b/scheduler/network.h
index 2d0d1a3650..7f2643b71a 100644
--- a/scheduler/network.h
+++ b/scheduler/network.h
@@ -1,6 +1,7 @@
 /*
  * Network interface definitions for the CUPS scheduler.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2007-2010 by Apple Inc.
  * Copyright © 1997-2006 by Easy Software Products, all rights reserved.
  *
diff --git a/scheduler/policy.c b/scheduler/policy.c
index 20c91c8350..884e499e00 100644
--- a/scheduler/policy.c
+++ b/scheduler/policy.c
@@ -1,6 +1,7 @@
 /*
  * Policy routines for the CUPS scheduler.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright 2007-2011, 2014 by Apple Inc.
  * Copyright 1997-2006 by Easy Software Products, all rights reserved.
  *
diff --git a/scheduler/policy.h b/scheduler/policy.h
index 74a7ff4597..60340cc8f8 100644
--- a/scheduler/policy.h
+++ b/scheduler/policy.h
@@ -1,6 +1,7 @@
 /*
  * Policy definitions for the CUPS scheduler.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright 2007-2010 by Apple Inc.
  * Copyright 1997-2005 by Easy Software Products, all rights reserved.
  *
diff --git a/scheduler/printers.h b/scheduler/printers.h
index 0c7b1af70f..6e2d405acb 100644
--- a/scheduler/printers.h
+++ b/scheduler/printers.h
@@ -1,7 +1,7 @@
 /*
  * Printer definitions for the CUPS scheduler.
  *
- * Copyright © 2021-2023 by OpenPrinting.
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright @ 2007-2017 by Apple Inc.
  * Copyright @ 1997-2007 by Easy Software Products, all rights reserved.
  *
diff --git a/scheduler/process.c b/scheduler/process.c
index 840c0b88df..7f05a90af2 100644
--- a/scheduler/process.c
+++ b/scheduler/process.c
@@ -1,7 +1,7 @@
 /*
  * Process management routines for the CUPS scheduler.
  *
- * Copyright © 2021-2023 by OpenPrinting.
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2007-2017 by Apple Inc.
  * Copyright © 1997-2007 by Easy Software Products, all rights reserved.
  *
diff --git a/scheduler/quotas.c b/scheduler/quotas.c
index d649dcb833..90c4e16237 100644
--- a/scheduler/quotas.c
+++ b/scheduler/quotas.c
@@ -1,6 +1,7 @@
 /*
  * Quota routines for the CUPS scheduler.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright 2007-2011 by Apple Inc.
  * Copyright 1997-2007 by Easy Software Products.
  *
diff --git a/scheduler/select.c b/scheduler/select.c
index 173155538b..2e64f2a7ed 100644
--- a/scheduler/select.c
+++ b/scheduler/select.c
@@ -1,6 +1,7 @@
 /*
  * Select abstraction functions for the CUPS scheduler.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright 2007-2016 by Apple Inc.
  * Copyright 2006-2007 by Easy Software Products.
  *
diff --git a/scheduler/server.c b/scheduler/server.c
index bb646d8133..32cff52b04 100644
--- a/scheduler/server.c
+++ b/scheduler/server.c
@@ -1,6 +1,7 @@
 /*
  * Server start/stop routines for the CUPS scheduler.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright 2007-2019 by Apple Inc.
  * Copyright 1997-2006 by Easy Software Products, all rights reserved.
  *
diff --git a/scheduler/statbuf.c b/scheduler/statbuf.c
index db9d98d41d..5a2530e4b7 100644
--- a/scheduler/statbuf.c
+++ b/scheduler/statbuf.c
@@ -1,6 +1,7 @@
 /*
  * Status buffer routines for the CUPS scheduler.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright 2007-2014 by Apple Inc.
  * Copyright 1997-2006 by Easy Software Products, all rights reserved.
  *
diff --git a/scheduler/statbuf.h b/scheduler/statbuf.h
index 4ac7c81dde..45fa904b8f 100644
--- a/scheduler/statbuf.h
+++ b/scheduler/statbuf.h
@@ -1,6 +1,7 @@
 /*
  * Status buffer definitions for the CUPS scheduler.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright 2007-2010 by Apple Inc.
  * Copyright 1997-2005 by Easy Software Products, all rights reserved.
  *
diff --git a/scheduler/subscriptions.c b/scheduler/subscriptions.c
index 9b31ec250e..7c646b953d 100644
--- a/scheduler/subscriptions.c
+++ b/scheduler/subscriptions.c
@@ -1,6 +1,7 @@
 /*
  * Subscription routines for the CUPS scheduler.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2007-2019 by Apple Inc.
  * Copyright © 1997-2007 by Easy Software Products, all rights reserved.
  *
diff --git a/scheduler/subscriptions.h b/scheduler/subscriptions.h
index 6f524062ef..bc2a7dcb70 100644
--- a/scheduler/subscriptions.h
+++ b/scheduler/subscriptions.h
@@ -1,6 +1,7 @@
 /*
  * Subscription definitions for the CUPS scheduler.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright 2007-2010 by Apple Inc.
  * Copyright 1997-2007 by Easy Software Products, all rights reserved.
  *
diff --git a/scheduler/sysman.c b/scheduler/sysman.c
index e4630de1e1..afd4f1d29b 100644
--- a/scheduler/sysman.c
+++ b/scheduler/sysman.c
@@ -1,7 +1,7 @@
 /*
  * System management functions for the CUPS scheduler.
  *
- * Copyright © 2021-2023 by OpenPrinting.
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright @ 2007-2018 by Apple Inc.
  * Copyright @ 2006 by Easy Software Products.
  *
diff --git a/scheduler/sysman.h b/scheduler/sysman.h
index c1a37f3d1a..e9091bac4c 100644
--- a/scheduler/sysman.h
+++ b/scheduler/sysman.h
@@ -1,6 +1,7 @@
 /*
  * System management definitions for the CUPS scheduler.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright 2007-2017 by Apple Inc.
  * Copyright 2006 by Easy Software Products.
  *
diff --git a/scheduler/testlpd.c b/scheduler/testlpd.c
index d974c5269b..a49f33a84f 100644
--- a/scheduler/testlpd.c
+++ b/scheduler/testlpd.c
@@ -1,6 +1,7 @@
 /*
  * cups-lpd test program for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright 2007-2015 by Apple Inc.
  * Copyright 2006 by Easy Software Products, all rights reserved.
  *
diff --git a/scheduler/testmime.c b/scheduler/testmime.c
index 221a65a0e2..f4579711a3 100644
--- a/scheduler/testmime.c
+++ b/scheduler/testmime.c
@@ -1,6 +1,7 @@
 /*
  * MIME test program for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright 2007-2014 by Apple Inc.
  * Copyright 1997-2006 by Easy Software Products, all rights reserved.
  *
diff --git a/scheduler/testspeed.c b/scheduler/testspeed.c
index 7cd875c972..5dd9ec7211 100644
--- a/scheduler/testspeed.c
+++ b/scheduler/testspeed.c
@@ -1,6 +1,7 @@
 /*
  * Scheduler speed test for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright 2007-2014 by Apple Inc.
  * Copyright 1997-2005 by Easy Software Products.
  *
diff --git a/scheduler/testsub.c b/scheduler/testsub.c
index 19d9dffce9..9127919326 100644
--- a/scheduler/testsub.c
+++ b/scheduler/testsub.c
@@ -1,6 +1,7 @@
 /*
  * Scheduler notification tester for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright 2007-2014 by Apple Inc.
  * Copyright 2006-2007 by Easy Software Products.
  *
diff --git a/scheduler/type.c b/scheduler/type.c
index cd252c450d..81c54ef2c0 100644
--- a/scheduler/type.c
+++ b/scheduler/type.c
@@ -1,7 +1,7 @@
 /*
  * MIME typing routines for CUPS.
  *
- * Copyright © 2021-2023 by OpenPrinting.
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2007-2019 by Apple Inc.
  * Copyright © 1997-2006 by Easy Software Products, all rights reserved.
  *
diff --git a/scheduler/util.c b/scheduler/util.c
index 655a07eb34..8f47aa8bab 100644
--- a/scheduler/util.c
+++ b/scheduler/util.c
@@ -1,6 +1,7 @@
 /*
  * Mini-daemon utility functions for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright 2007-2014 by Apple Inc.
  * Copyright 1997-2005 by Easy Software Products.
  *
diff --git a/scheduler/util.h b/scheduler/util.h
index 6fa8dfd244..b76d8e4470 100644
--- a/scheduler/util.h
+++ b/scheduler/util.h
@@ -1,6 +1,7 @@
 /*
  * Mini-daemon utility definitions for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright 2007-2014 by Apple Inc.
  * Copyright 1997-2005 by Easy Software Products.
  *
diff --git a/systemv/Makefile b/systemv/Makefile
index d11dc598ce..d9164262e5 100644
--- a/systemv/Makefile
+++ b/systemv/Makefile
@@ -1,6 +1,7 @@
 #
 # System V commands makefile for CUPS.
 #
+# Copyright © 2020-2024 by OpenPrinting.
 # Copyright © 2007-2019 by Apple Inc.
 # Copyright © 1997-2006 by Easy Software Products, all rights reserved.
 #
diff --git a/systemv/cancel.c b/systemv/cancel.c
index f5b8e12b5e..a5e8f3e4e3 100644
--- a/systemv/cancel.c
+++ b/systemv/cancel.c
@@ -1,7 +1,7 @@
 /*
  * "cancel" command for CUPS.
  *
- * Copyright © 2021-2023 by OpenPrinting.
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2007-2018 by Apple Inc.
  * Copyright © 1997-2006 by Easy Software Products.
  *
diff --git a/systemv/cupsaccept.c b/systemv/cupsaccept.c
index a26abb4375..862c686cce 100644
--- a/systemv/cupsaccept.c
+++ b/systemv/cupsaccept.c
@@ -2,7 +2,7 @@
  * "cupsaccept", "cupsdisable", "cupsenable", and "cupsreject" commands for
  * CUPS.
  *
- * Copyright © 2021-2023 by OpenPrinting.
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2007-2018 by Apple Inc.
  * Copyright © 1997-2006 by Easy Software Products.
  *
diff --git a/systemv/cupsctl.c b/systemv/cupsctl.c
index cd84f0c424..63caf57868 100644
--- a/systemv/cupsctl.c
+++ b/systemv/cupsctl.c
@@ -1,6 +1,7 @@
 /*
  * Scheduler control program for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2007-2019 by Apple Inc.
  * Copyright © 2006-2007 by Easy Software Products.
  *
diff --git a/systemv/cupstestppd.c b/systemv/cupstestppd.c
index d9f9c01265..285f0a83ec 100644
--- a/systemv/cupstestppd.c
+++ b/systemv/cupstestppd.c
@@ -3,6 +3,7 @@
  *
  * THIS PROGRAM IS DEPRECATED AND WILL BE REMOVED IN A FUTURE VERSION OF CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2007-2018 by Apple Inc.
  * Copyright © 1997-2007 by Easy Software Products, all rights reserved.
  *
diff --git a/systemv/lp.c b/systemv/lp.c
index 6fa66d980f..5e58994819 100644
--- a/systemv/lp.c
+++ b/systemv/lp.c
@@ -1,7 +1,7 @@
 /*
  * "lp" command for CUPS.
  *
- * Copyright © 2021-2023 by OpenPrinting.
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2007-2021 by Apple Inc.
  * Copyright © 1997-2007 by Easy Software Products.
  *
diff --git a/systemv/lpadmin.c b/systemv/lpadmin.c
index f4325e25ad..2e023d8f56 100644
--- a/systemv/lpadmin.c
+++ b/systemv/lpadmin.c
@@ -1,7 +1,7 @@
 /*
  * "lpadmin" command for CUPS.
  *
- * Copyright © 2021-2023 by OpenPrinting.
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2007-2021 by Apple Inc.
  * Copyright © 1997-2006 by Easy Software Products.
  *
diff --git a/systemv/lpinfo.c b/systemv/lpinfo.c
index 65e9f3319f..4634d099bb 100644
--- a/systemv/lpinfo.c
+++ b/systemv/lpinfo.c
@@ -1,7 +1,7 @@
 /*
  * "lpinfo" command for CUPS.
  *
- * Copyright © 2021-2023 by OpenPrinting.
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2007-2018 by Apple Inc.
  * Copyright © 1997-2006 by Easy Software Products.
  *
diff --git a/systemv/lpmove.c b/systemv/lpmove.c
index b330133d91..1307ddd54b 100644
--- a/systemv/lpmove.c
+++ b/systemv/lpmove.c
@@ -1,7 +1,7 @@
 /*
  * "lpmove" command for CUPS.
  *
- * Copyright © 2021-2023 by OpenPrinting.
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2007-2018 by Apple Inc.
  * Copyright © 1997-2006 by Easy Software Products.
  *
diff --git a/systemv/lpoptions.c b/systemv/lpoptions.c
index 08746c000c..c0e60c3dea 100644
--- a/systemv/lpoptions.c
+++ b/systemv/lpoptions.c
@@ -1,6 +1,7 @@
 /*
  * Printer option program for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2007-2018 by Apple Inc.
  * Copyright © 1997-2006 by Easy Software Products.
  *
diff --git a/systemv/lpstat.c b/systemv/lpstat.c
index b23f04d0df..ebf17c7c0d 100644
--- a/systemv/lpstat.c
+++ b/systemv/lpstat.c
@@ -1,7 +1,7 @@
 /*
  * "lpstat" command for CUPS.
  *
- * Copyright © 2021-2023 by OpenPrinting.
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2007-2018 by Apple Inc.
  * Copyright © 1997-2006 by Easy Software Products.
  *
diff --git a/templates/Makefile b/templates/Makefile
index b0a47dee8b..ba4919a58c 100644
--- a/templates/Makefile
+++ b/templates/Makefile
@@ -1,6 +1,7 @@
 #
 # Template makefile for CUPS.
 #
+# Copyright © 2020-2024 by OpenPrinting.
 # Copyright 2007-2017 by Apple Inc.
 # Copyright 1993-2007 by Easy Software Products.
 #
diff --git a/test/4.1-requests.test b/test/4.1-requests.test
index e6550545c3..4c6ca1e647 100644
--- a/test/4.1-requests.test
+++ b/test/4.1-requests.test
@@ -5,6 +5,7 @@
 #   attributes-natural-language
 #   printer-uri/job-uri
 #
+# Copyright © 2020-2024 by OpenPrinting.
 # Copyright © 2007-2019 by Apple Inc.
 # Copyright © 2001-2006 by Easy Software Products. All rights reserved.
 #
diff --git a/test/4.2-cups-printer-ops.test b/test/4.2-cups-printer-ops.test
index e13fcbb983..1a011e011a 100644
--- a/test/4.2-cups-printer-ops.test
+++ b/test/4.2-cups-printer-ops.test
@@ -1,6 +1,7 @@
 #
 # Verify that the CUPS printer operations work.
 #
+# Copyright © 2020-2024 by OpenPrinting.
 # Copyright © 2007-2019 by Apple Inc.
 # Copyright © 2001-2006 by Easy Software Products. All rights reserved.
 #
diff --git a/test/4.3-job-ops.test b/test/4.3-job-ops.test
index f92801f332..516364e002 100644
--- a/test/4.3-job-ops.test
+++ b/test/4.3-job-ops.test
@@ -1,6 +1,7 @@
 #
 # Verify that the IPP job operations work.
 #
+# Copyright © 2020-2024 by OpenPrinting.
 # Copyright © 2007-2019 by Apple Inc.
 # Copyright © 2001-2006 by Easy Software Products. All rights reserved.
 #
diff --git a/test/4.4-subscription-ops.test b/test/4.4-subscription-ops.test
index 45c3ce12b9..8662ae9e2d 100644
--- a/test/4.4-subscription-ops.test
+++ b/test/4.4-subscription-ops.test
@@ -1,6 +1,7 @@
 #
 # Verify that the CUPS subscription operations work.
 #
+# Copyright © 2020-2024 by OpenPrinting.
 # Copyright © 2007-2019 by Apple Inc.
 # Copyright © 2001-2006 by Easy Software Products. All rights reserved.
 #
diff --git a/test/5.1-lpadmin.sh b/test/5.1-lpadmin.sh
index 61a9cca40e..aa398000a1 100644
--- a/test/5.1-lpadmin.sh
+++ b/test/5.1-lpadmin.sh
@@ -2,6 +2,7 @@
 #
 # Test the lpadmin command.
 #
+# Copyright © 2020-2024 by OpenPrinting.
 # Copyright © 2007-2018 by Apple Inc.
 # Copyright © 1997-2005 by Easy Software Products, all rights reserved.
 #
diff --git a/test/5.2-lpc.sh b/test/5.2-lpc.sh
index 155a15764e..9423147e3a 100644
--- a/test/5.2-lpc.sh
+++ b/test/5.2-lpc.sh
@@ -2,6 +2,7 @@
 #
 # Test the lpc command.
 #
+# Copyright © 2020-2024 by OpenPrinting.
 # Copyright © 2007 by Apple Inc.
 # Copyright © 1997-2005 by Easy Software Products, all rights reserved.
 #
diff --git a/test/5.3-lpq.sh b/test/5.3-lpq.sh
index 02ddbd96f3..07ca3acec6 100644
--- a/test/5.3-lpq.sh
+++ b/test/5.3-lpq.sh
@@ -2,6 +2,7 @@
 #
 # Test the lpq command.
 #
+# Copyright © 2020-2024 by OpenPrinting.
 # Copyright © 2007 by Apple Inc.
 # Copyright © 1997-2005 by Easy Software Products, all rights reserved.
 #
diff --git a/test/5.4-lpstat.sh b/test/5.4-lpstat.sh
index b8918c833b..5ccadf7b7a 100644
--- a/test/5.4-lpstat.sh
+++ b/test/5.4-lpstat.sh
@@ -2,6 +2,7 @@
 #
 # Test the lpstat command.
 #
+# Copyright © 2020-2024 by OpenPrinting.
 # Copyright © 2007-2019 by Apple Inc.
 # Copyright © 1997-2005 by Easy Software Products, all rights reserved.
 #
diff --git a/test/5.5-lp.sh b/test/5.5-lp.sh
index a267791850..25e9d65a33 100644
--- a/test/5.5-lp.sh
+++ b/test/5.5-lp.sh
@@ -2,6 +2,7 @@
 #
 # Test the lp command.
 #
+# Copyright © 2020-2024 by OpenPrinting.
 # Copyright © 2007-2019 by Apple Inc.
 # Copyright © 1997-2005 by Easy Software Products, all rights reserved.
 #
diff --git a/test/5.6-lpr.sh b/test/5.6-lpr.sh
index 98c8d69639..a02971b3c8 100644
--- a/test/5.6-lpr.sh
+++ b/test/5.6-lpr.sh
@@ -2,6 +2,7 @@
 #
 # Test the lpr command.
 #
+# Copyright © 2020-2024 by OpenPrinting.
 # Copyright © 2007-2019 by Apple Inc.
 # Copyright © 1997-2005 by Easy Software Products, all rights reserved.
 #
diff --git a/test/5.7-lprm.sh b/test/5.7-lprm.sh
index 8958deaa59..7297a68990 100644
--- a/test/5.7-lprm.sh
+++ b/test/5.7-lprm.sh
@@ -2,6 +2,7 @@
 #
 # Test the lprm command.
 #
+# Copyright © 2020-2024 by OpenPrinting.
 # Copyright © 2007-2019 by Apple Inc.
 # Copyright © 1997-2005 by Easy Software Products, all rights reserved.
 #
diff --git a/test/5.8-cancel.sh b/test/5.8-cancel.sh
index 4304197122..2c43a9bc09 100644
--- a/test/5.8-cancel.sh
+++ b/test/5.8-cancel.sh
@@ -2,6 +2,7 @@
 #
 # Test the cancel command.
 #
+# Copyright © 2020-2024 by OpenPrinting.
 # Copyright © 2007-2019 by Apple Inc.
 # Copyright © 1997-2006 by Easy Software Products, all rights reserved.
 #
diff --git a/test/5.9-lpinfo.sh b/test/5.9-lpinfo.sh
index 5c76f220c3..8c7b9b14e7 100644
--- a/test/5.9-lpinfo.sh
+++ b/test/5.9-lpinfo.sh
@@ -2,6 +2,7 @@
 #
 # Test the lpinfo command.
 #
+# Copyright © 2020-2024 by OpenPrinting.
 # Copyright © 2007-2019 by Apple Inc.
 # Copyright © 1997-2005 by Easy Software Products, all rights reserved.
 #
diff --git a/test/testhp.ppd b/test/testhp.ppd
index c6c5b65493..25d884ad52 100644
--- a/test/testhp.ppd
+++ b/test/testhp.ppd
@@ -2,6 +2,7 @@
 *%
 *% Test HP PPD file for CUPS.
 *%
+*% Copyright © 2020-2024 by OpenPrinting.
 *% Copyright © 2007-2018 by Apple Inc.
 *% Copyright © 1997-2005 by Easy Software Products.
 *%
diff --git a/test/testps.ppd b/test/testps.ppd
index e011515ee6..59a8c70d3b 100644
--- a/test/testps.ppd
+++ b/test/testps.ppd
@@ -2,6 +2,7 @@
 *%
 *% Test PS PPD file for CUPS.
 *%
+*% Copyright © 2020-2024 by OpenPrinting.
 *% Copyright © 2007-2018 by Apple Inc.
 *% Copyright © 1997-2005 by Easy Software Products.
 *%
diff --git a/test/waitjobs.sh b/test/waitjobs.sh
index b9ff2655ca..0ed4bd7254 100755
--- a/test/waitjobs.sh
+++ b/test/waitjobs.sh
@@ -2,6 +2,7 @@
 #
 # Script to wait for jobs to complete.
 #
+# Copyright © 2020-2024 by OpenPrinting.
 # Copyright © 2008-2019 by Apple Inc.
 #
 # Licensed under Apache License v2.0.  See the file "LICENSE" for more
diff --git a/tools/Makefile b/tools/Makefile
index f1781ef0b8..8233dd7eae 100644
--- a/tools/Makefile
+++ b/tools/Makefile
@@ -1,6 +1,7 @@
 #
 # IPP tools makefile for CUPS.
 #
+# Copyright © 2020-2024 by OpenPrinting.
 # Copyright © 2007-2019 by Apple Inc.
 # Copyright © 1997-2006 by Easy Software Products, all rights reserved.
 #
diff --git a/tools/ippevecommon.h b/tools/ippevecommon.h
index 627cc74e08..11efd4e72d 100644
--- a/tools/ippevecommon.h
+++ b/tools/ippevecommon.h
@@ -1,6 +1,7 @@
 /*
  * Common header for IPP Everywhere printer commands for CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2019 by Apple Inc.
  *
  * Licensed under Apache License v2.0.  See the file "LICENSE" for more
diff --git a/tools/ippevepcl.c b/tools/ippevepcl.c
index 1aa072f59d..eb75884af4 100644
--- a/tools/ippevepcl.c
+++ b/tools/ippevepcl.c
@@ -1,6 +1,7 @@
 /*
  * Generic HP PCL printer command for ippeveprinter/CUPS.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2019 by Apple Inc.
  *
  * Licensed under Apache License v2.0.  See the file "LICENSE" for more
diff --git a/tools/ippeveprinter.c b/tools/ippeveprinter.c
index 041a468ef7..802e1d82e1 100644
--- a/tools/ippeveprinter.c
+++ b/tools/ippeveprinter.c
@@ -1,7 +1,7 @@
 /*
  * IPP Everywhere printer application for CUPS.
  *
- * Copyright © 2021-2023 by OpenPrinting.
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2020 by the IEEE-ISTO Printer Working Group.
  * Copyright © 2010-2021 by Apple Inc.
  *
diff --git a/tools/ippeveps.c b/tools/ippeveps.c
index 50f4553b31..085106a2f6 100644
--- a/tools/ippeveps.c
+++ b/tools/ippeveps.c
@@ -1,7 +1,7 @@
 /*
  * Generic Adobe PostScript printer command for ippeveprinter/CUPS.
  *
- * Copyright © 2021-2023 by OpenPrinting.
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2019 by Apple Inc.
  *
  * Licensed under Apache License v2.0.  See the file "LICENSE" for more
diff --git a/tools/ippfind.c b/tools/ippfind.c
index 2e4272653d..2893cd1701 100644
--- a/tools/ippfind.c
+++ b/tools/ippfind.c
@@ -3,7 +3,7 @@
  * commands such as IPP and Bonjour conformance tests.  This tool is
  * inspired by the UNIX "find" command, thus its name.
  *
- * Copyright © 2021-2023 by OpenPrinting.
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright © 2020 by the IEEE-ISTO Printer Working Group
  * Copyright © 2008-2018 by Apple Inc.
  *
diff --git a/tools/ipptool.c b/tools/ipptool.c
index 98f6657fab..0bf9e5ba6a 100644
--- a/tools/ipptool.c
+++ b/tools/ipptool.c
@@ -1,7 +1,7 @@
 /*
  * ipptool command for CUPS.
  *
- * Copyright © 2021-2023 by OpenPrinting.
+ * Copyright © 2021-2024 by OpenPrinting.
  * Copyright © 2020 by The Printer Working Group.
  * Copyright © 2007-2021 by Apple Inc.
  * Copyright © 1997-2007 by Easy Software Products.
diff --git a/vcnet/dns_sd.c b/vcnet/dns_sd.c
index 952367928a..33acbbc43d 100644
--- a/vcnet/dns_sd.c
+++ b/vcnet/dns_sd.c
@@ -1,6 +1,7 @@
 /*
  * Dynamic wrapper for Bonjour SDK for Windows.
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright 2018 by Apple Inc.
  *
  * Licensed under Apache License v2.0.  See the file "LICENSE" for more
diff --git a/vcnet/dns_sd.h b/vcnet/dns_sd.h
index c8d12908fb..afd6ce7c47 100644
--- a/vcnet/dns_sd.h
+++ b/vcnet/dns_sd.h
@@ -1,5 +1,6 @@
 /* -*- Mode: C; tab-width: 4 -*-
  *
+ * Copyright © 2020-2024 by OpenPrinting.
  * Copyright (c) 2003-2004, Apple Computer, Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/vcnet/libcups2_native.nuspec b/vcnet/libcups2_native.nuspec
index 62eccdefad..07cd73f006 100644
--- a/vcnet/libcups2_native.nuspec
+++ b/vcnet/libcups2_native.nuspec
@@ -13,7 +13,7 @@
         <requireLicenseAcceptance>false</requireLicenseAcceptance>
         <description>OpenPrinting CUPS is a standards-based, open source printing system for Linux®
 and other Unix®-like operating systems. The CUPS library provides a convenient API for communicating with Internet Printing Protocol printers. CUPS is licensed under the Apache License Version 2.0 with an exception to allow linking against GNU GPL2-only software.</description>
-        <copyright>Copyright © 2020-2023 by OpenPrinting, Copyright © 2007-2019 by Apple Inc., Copyright © 1997-2007 by Easy Software Products.</copyright>
+        <copyright>Copyright © 2020-2024 by OpenPrinting, Copyright © 2007-2019 by Apple Inc., Copyright © 1997-2007 by Easy Software Products.</copyright>
         <tags>http ipp native</tags>
 	<dependencies>
 	    <dependency id="libcups2_native.redist" version="2.4.8.0" />
diff --git a/vcnet/libcups2_native.redist.nuspec b/vcnet/libcups2_native.redist.nuspec
index 7666eef794..0d09826d56 100644
--- a/vcnet/libcups2_native.redist.nuspec
+++ b/vcnet/libcups2_native.redist.nuspec
@@ -13,7 +13,7 @@
         <requireLicenseAcceptance>false</requireLicenseAcceptance>
         <description>OpenPrinting CUPS is a standards-based, open source printing system for Linux®
 and other Unix®-like operating systems. This package provides the redistributable content for the CUPS library. CUPS is licensed under the Apache License Version 2.0 with an exception to allow linking against GNU GPL2-only software.</description>
-        <copyright>Copyright © 2020-2023 by OpenPrinting, Copyright © 2007-2019 by Apple Inc., Copyright © 1997-2007 by Easy Software Products.</copyright>
+        <copyright>Copyright © 2020-2024 by OpenPrinting, Copyright © 2007-2019 by Apple Inc., Copyright © 1997-2007 by Easy Software Products.</copyright>
         <tags>http ipp native</tags>
 	<dependencies>
 	    <dependency id="libressl_native.redist" version="3.5.3.2" />