diff --git a/common/dtd/ldml.xsd b/common/dtd/ldml.xsd
index b71c53d0f67..31ce0e4d87c 100644
--- a/common/dtd/ldml.xsd
+++ b/common/dtd/ldml.xsd
@@ -128,10 +128,10 @@ Note: DTD @-annotations are not currently converted to .xsd. For full CLDR file
   <xs:element name="version">
     <xs:complexType>
       <xs:attribute name="number" use="required"/>
-      <xs:attribute default="44" name="cldrVersion">
+      <xs:attribute default="45" name="cldrVersion">
         <xs:simpleType>
           <xs:restriction base="xs:string">
-            <xs:enumeration value="44"/>
+            <xs:enumeration value="45"/>
           </xs:restriction>
         </xs:simpleType>
       </xs:attribute>
diff --git a/common/dtd/ldmlBCP47.xsd b/common/dtd/ldmlBCP47.xsd
index 80dc7c7c986..097efeb7f73 100644
--- a/common/dtd/ldmlBCP47.xsd
+++ b/common/dtd/ldmlBCP47.xsd
@@ -24,10 +24,10 @@ Note: DTD @-annotations are not currently converted to .xsd. For full CLDR file
   <xs:element name="version">
     <xs:complexType>
       <xs:attribute name="number" use="required"/>
-      <xs:attribute default="44" name="cldrVersion">
+      <xs:attribute default="45" name="cldrVersion">
         <xs:simpleType>
           <xs:restriction base="xs:string">
-            <xs:enumeration value="44"/>
+            <xs:enumeration value="45"/>
           </xs:restriction>
         </xs:simpleType>
       </xs:attribute>
diff --git a/common/dtd/ldmlSupplemental.dtd b/common/dtd/ldmlSupplemental.dtd
index 5ad705b67aa..2478f3310d2 100644
--- a/common/dtd/ldmlSupplemental.dtd
+++ b/common/dtd/ldmlSupplemental.dtd
@@ -394,13 +394,11 @@ CLDR data files are interpreted according to the LDML specification (http://unic
     <!--@MATCH:set/regex/[a-z]+[0-9]*-->
     <!--@VALUE-->
 
-
 <!ELEMENT unitPrefixes ( unitPrefix* ) >
 
 <!ELEMENT unitPrefix EMPTY >
-<!--		<unitPrefix type='quecto' symbol='q' power10='-30'>
-		<unitPrefix type='kibi' symbol='Ki' power2='10'>
--->
+    <!-- <unitPrefix type='quecto' symbol='q' power10='-30'>
+		<unitPrefix type='kibi' symbol='Ki' power2='10'> -->
 <!ATTLIST unitPrefix type NMTOKEN #REQUIRED >
     <!--@MATCH:regex/[A-Za-z]{3,6}-->
 <!ATTLIST unitPrefix symbol NMTOKEN #REQUIRED >
diff --git a/common/dtd/ldmlSupplemental.xsd b/common/dtd/ldmlSupplemental.xsd
index bd449ad40cc..12fe5715c3b 100644
--- a/common/dtd/ldmlSupplemental.xsd
+++ b/common/dtd/ldmlSupplemental.xsd
@@ -28,6 +28,7 @@ Note: DTD @-annotations are not currently converted to .xsd. For full CLDR file
         <xs:element minOccurs="0" ref="timeData"/>
         <xs:element minOccurs="0" ref="measurementData"/>
         <xs:element minOccurs="0" ref="unitIdComponents"/>
+        <xs:element minOccurs="0" ref="unitPrefixes"/>
         <xs:element maxOccurs="unbounded" minOccurs="0" ref="unitConstants"/>
         <xs:element maxOccurs="unbounded" minOccurs="0" ref="unitQuantities"/>
         <xs:element maxOccurs="unbounded" minOccurs="0" ref="convertUnits"/>
@@ -63,17 +64,17 @@ Note: DTD @-annotations are not currently converted to .xsd. For full CLDR file
   <xs:element name="version">
     <xs:complexType>
       <xs:attribute name="number" use="required"/>
-      <xs:attribute default="44" name="cldrVersion">
+      <xs:attribute default="45" name="cldrVersion">
         <xs:simpleType>
           <xs:restriction base="xs:string">
-            <xs:enumeration value="44"/>
+            <xs:enumeration value="45"/>
           </xs:restriction>
         </xs:simpleType>
       </xs:attribute>
-      <xs:attribute default="15.0.0" name="unicodeVersion">
+      <xs:attribute default="15.1.0" name="unicodeVersion">
         <xs:simpleType>
           <xs:restriction base="xs:string">
-            <xs:enumeration value="15.0.0"/>
+            <xs:enumeration value="15.1.0"/>
           </xs:restriction>
         </xs:simpleType>
       </xs:attribute>
@@ -209,9 +210,11 @@ Note: DTD @-annotations are not currently converted to .xsd. For full CLDR file
         <xs:element maxOccurs="unbounded" minOccurs="0" ref="alternate"/>
       </xs:sequence>
       <xs:attribute name="before" type="xs:NMTOKEN"/>
+      <xs:attribute name="iso4217" type="xs:NMTOKEN" use="required"/>
       <xs:attribute name="from" type="xs:NMTOKEN"/>
       <xs:attribute name="to" type="xs:NMTOKEN"/>
-      <xs:attribute name="iso4217" type="xs:NMTOKEN" use="required"/>
+      <xs:attribute name="tz"/>
+      <xs:attribute name="to-tz"/>
       <xs:attribute name="digits" type="xs:NMTOKEN"/>
       <xs:attribute name="rounding" type="xs:NMTOKEN"/>
       <xs:attribute name="cashRounding" type="xs:NMTOKEN"/>
@@ -251,6 +254,10 @@ Note: DTD @-annotations are not currently converted to .xsd. For full CLDR file
   
   
   
+  
+  
+  
+  
   <xs:element name="alternate">
     <xs:complexType>
       <xs:attribute name="iso4217" type="xs:NMTOKEN" use="required"/>
@@ -919,6 +926,32 @@ Note: DTD @-annotations are not currently converted to .xsd. For full CLDR file
   
   
   
+  <xs:element name="unitPrefixes">
+    <xs:complexType>
+      <xs:sequence>
+        <xs:element maxOccurs="unbounded" minOccurs="0" ref="unitPrefix"/>
+      </xs:sequence>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="unitPrefix">
+    <xs:complexType>
+      <xs:attribute name="type" type="xs:NMTOKEN" use="required"/>
+      <xs:attribute name="symbol" type="xs:NMTOKEN" use="required"/>
+      <xs:attribute name="power10" type="xs:NMTOKEN"/>
+      <xs:attribute name="power2" type="xs:NMTOKEN"/>
+    </xs:complexType>
+  </xs:element>
+  <!--
+    <unitPrefix type='quecto' symbol='q' power10='-30'>
+    <unitPrefix type='kibi' symbol='Ki' power2='10'>
+  -->
+  
+  
+  
+  
+  
+  
+  
   <xs:element name="unitConstants">
     <xs:complexType>
       <xs:sequence>
@@ -976,6 +1009,7 @@ Note: DTD @-annotations are not currently converted to .xsd. For full CLDR file
       <xs:attribute name="baseUnit" type="xs:NMTOKEN" use="required"/>
       <xs:attribute name="factor"/>
       <xs:attribute name="offset"/>
+      <xs:attribute name="special" type="xs:NMTOKEN"/>
       <xs:attribute name="systems" type="xs:NMTOKENS"/>
       <xs:attribute name="description"/>
     </xs:complexType>
@@ -991,6 +1025,8 @@ Note: DTD @-annotations are not currently converted to .xsd. For full CLDR file
   
   
   
+  
+  
   <xs:element name="unitPreferenceData">
     <xs:complexType>
       <xs:sequence>
@@ -2049,7 +2085,7 @@ Note: DTD @-annotations are not currently converted to .xsd. For full CLDR file
       <xs:sequence>
         <xs:element maxOccurs="unbounded" minOccurs="0" ref="parentLocale"/>
       </xs:sequence>
-      <xs:attribute name="component" type="xs:NMTOKEN"/>
+      <xs:attribute name="component" type="xs:NMTOKENS"/>
     </xs:complexType>
   </xs:element>
   
diff --git a/keyboards/dtd/ldmlKeyboard3.xsd b/keyboards/dtd/ldmlKeyboard3.xsd
index 9a445135fc8..f314094239e 100644
--- a/keyboards/dtd/ldmlKeyboard3.xsd
+++ b/keyboards/dtd/ldmlKeyboard3.xsd
@@ -11,7 +11,7 @@ Note: DTD @-annotations are not currently converted to .xsd. For full CLDR file
   CLDR data files are interpreted according to the LDML specification (http://unicode.org/reports/tr35/)
 --><!--
   Important Note:
-
+  
   The CLDR Keyboard Subcommittee is currently developing major changes to the CLDR keyboard specification.
   Please view the subcommittee page for the most recent information.
   <https://cldr.unicode.org/index/keyboard-workgroup>
@@ -43,10 +43,10 @@ Note: DTD @-annotations are not currently converted to .xsd. For full CLDR file
       </xs:attribute>
     </xs:complexType>
   </xs:element>
-
-
-
-
+  
+  
+  
+  
   <xs:element name="import">
     <xs:complexType>
       <xs:attribute name="path" use="required"/>
@@ -59,8 +59,8 @@ Note: DTD @-annotations are not currently converted to .xsd. For full CLDR file
       </xs:attribute>
     </xs:complexType>
   </xs:element>
-
-
+  
+  
   <xs:element name="locales">
     <xs:complexType>
       <xs:sequence>
@@ -68,14 +68,14 @@ Note: DTD @-annotations are not currently converted to .xsd. For full CLDR file
       </xs:sequence>
     </xs:complexType>
   </xs:element>
-
+  
   <xs:element name="locale">
     <xs:complexType>
       <xs:attribute name="id" use="required"/>
     </xs:complexType>
   </xs:element>
-
-
+  
+  
   <xs:element name="version">
     <xs:complexType>
       <xs:attribute name="number"/>
@@ -88,12 +88,12 @@ Note: DTD @-annotations are not currently converted to .xsd. For full CLDR file
       </xs:attribute>
     </xs:complexType>
   </xs:element>
-
-
-
+  
+  
+  
   <!-- Note: post techpreview, change cldrVersion to MATCH:version -->
-
-
+  
+  
   <xs:element name="info">
     <xs:complexType>
       <xs:attribute name="name" use="required"/>
@@ -102,15 +102,15 @@ Note: DTD @-annotations are not currently converted to .xsd. For full CLDR file
       <xs:attribute name="indicator"/>
     </xs:complexType>
   </xs:element>
-
-
-
-
-
-
-
-
-
+  
+  
+  
+  
+  
+  
+  
+  
+  
   <xs:element name="settings">
     <xs:complexType>
       <xs:attribute name="normalization">
@@ -122,9 +122,9 @@ Note: DTD @-annotations are not currently converted to .xsd. For full CLDR file
       </xs:attribute>
     </xs:complexType>
   </xs:element>
-
-
-
+  
+  
+  
   <xs:element name="displays">
     <xs:complexType>
       <xs:sequence>
@@ -135,7 +135,7 @@ Note: DTD @-annotations are not currently converted to .xsd. For full CLDR file
       </xs:sequence>
     </xs:complexType>
   </xs:element>
-
+  
   <xs:element name="display">
     <xs:complexType>
       <xs:attribute name="keyId" type="xs:NMTOKEN"/>
@@ -143,24 +143,24 @@ Note: DTD @-annotations are not currently converted to .xsd. For full CLDR file
       <xs:attribute name="display" use="required"/>
     </xs:complexType>
   </xs:element>
-
-
-
-
-
-
-
+  
+  
+  
+  
+  
+  
+  
   <xs:element name="displayOptions">
     <xs:complexType>
       <xs:attribute name="baseCharacter"/>
     </xs:complexType>
   </xs:element>
-
-
-
-
+  
+  
+  
+  
   <xs:element name="special" type="any"/>
-
+  
   <xs:element name="keys">
     <xs:complexType>
       <xs:sequence>
@@ -170,7 +170,7 @@ Note: DTD @-annotations are not currently converted to .xsd. For full CLDR file
       </xs:sequence>
     </xs:complexType>
   </xs:element>
-
+  
   <xs:element name="key">
     <xs:complexType>
       <xs:attribute name="id" type="xs:NMTOKEN" use="required"/>
@@ -197,24 +197,24 @@ Note: DTD @-annotations are not currently converted to .xsd. For full CLDR file
       <xs:attribute name="width"/>
     </xs:complexType>
   </xs:element>
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
+  
+  
+  
+  
+  
+  
+  
+  
+  
+  
+  
+  
+  
+  
+  
+  
+  
+  
   <xs:element name="flicks">
     <xs:complexType>
       <xs:sequence>
@@ -233,18 +233,18 @@ Note: DTD @-annotations are not currently converted to .xsd. For full CLDR file
       <xs:attribute name="id" type="xs:NMTOKEN" use="required"/>
     </xs:complexType>
   </xs:element>
-
-
+  
+  
   <xs:element name="flickSegment">
     <xs:complexType>
       <xs:attribute name="directions" type="xs:NMTOKENS" use="required"/>
       <xs:attribute name="keyId" type="xs:NMTOKEN" use="required"/>
     </xs:complexType>
   </xs:element>
-
-
-
-
+  
+  
+  
+  
   <xs:element name="forms">
     <xs:complexType>
       <xs:sequence>
@@ -254,7 +254,7 @@ Note: DTD @-annotations are not currently converted to .xsd. For full CLDR file
       </xs:sequence>
     </xs:complexType>
   </xs:element>
-
+  
   <xs:element name="form">
     <xs:complexType>
       <xs:sequence>
@@ -264,16 +264,16 @@ Note: DTD @-annotations are not currently converted to .xsd. For full CLDR file
       <xs:attribute name="id" type="xs:NMTOKEN"/>
     </xs:complexType>
   </xs:element>
-
-
+  
+  
   <xs:element name="scanCodes">
     <xs:complexType>
       <xs:attribute name="codes" type="xs:NMTOKENS" use="required"/>
     </xs:complexType>
   </xs:element>
-
-
-
+  
+  
+  
   <xs:element name="layers">
     <xs:complexType>
       <xs:sequence>
@@ -285,9 +285,9 @@ Note: DTD @-annotations are not currently converted to .xsd. For full CLDR file
       <xs:attribute name="minDeviceWidth"/>
     </xs:complexType>
   </xs:element>
-
-
-
+  
+  
+  
   <xs:element name="layer">
     <xs:complexType>
       <xs:sequence>
@@ -298,18 +298,18 @@ Note: DTD @-annotations are not currently converted to .xsd. For full CLDR file
       <xs:attribute name="modifiers" type="xs:NMTOKENS"/>
     </xs:complexType>
   </xs:element>
-
-
-
+  
+  
+  
   <xs:element name="row">
     <xs:complexType>
       <xs:attribute name="keys" type="xs:NMTOKENS" use="required"/>
     </xs:complexType>
   </xs:element>
-
-
-
-
+  
+  
+  
+  
   <xs:element name="variables">
     <xs:complexType>
       <xs:sequence>
@@ -321,36 +321,36 @@ Note: DTD @-annotations are not currently converted to .xsd. For full CLDR file
       </xs:sequence>
     </xs:complexType>
   </xs:element>
-
+  
   <xs:element name="string">
     <xs:complexType>
       <xs:attribute name="id" type="xs:NMTOKEN" use="required"/>
       <xs:attribute name="value" use="required"/>
     </xs:complexType>
   </xs:element>
-
-
-
-
+  
+  
+  
+  
   <xs:element name="set">
     <xs:complexType>
       <xs:attribute name="id" type="xs:NMTOKEN" use="required"/>
       <xs:attribute name="value" use="required"/>
     </xs:complexType>
   </xs:element>
-
-
-
-
+  
+  
+  
+  
   <xs:element name="uset">
     <xs:complexType>
       <xs:attribute name="id" type="xs:NMTOKEN" use="required"/>
       <xs:attribute name="value" use="required"/>
     </xs:complexType>
   </xs:element>
-
-
-
+  
+  
+  
   <xs:element name="transforms">
     <xs:complexType>
       <xs:sequence>
@@ -368,8 +368,8 @@ Note: DTD @-annotations are not currently converted to .xsd. For full CLDR file
       </xs:attribute>
     </xs:complexType>
   </xs:element>
-
-
+  
+  
   <xs:element name="transformGroup">
     <xs:complexType>
       <xs:sequence>
@@ -382,20 +382,20 @@ Note: DTD @-annotations are not currently converted to .xsd. For full CLDR file
       </xs:sequence>
     </xs:complexType>
   </xs:element>
-
+  
   <xs:element name="transform">
     <xs:complexType>
       <xs:attribute name="from" use="required"/>
       <xs:attribute name="to"/>
     </xs:complexType>
   </xs:element>
-
-
-
-
-
-
-
+  
+  
+  
+  
+  
+  
+  
   <xs:element name="reorder">
     <xs:complexType>
       <xs:attribute name="before"/>
@@ -411,4 +411,4 @@ Note: DTD @-annotations are not currently converted to .xsd. For full CLDR file
       <xs:any maxOccurs="unbounded" minOccurs="0" processContents="strict"/>
     </xs:sequence>
   </xs:complexType>
-</xs:schema>
+</xs:schema>
\ No newline at end of file
diff --git a/tools/cldr-code/src/main/java/org/unicode/cldr/util/DTD2XSD.java b/tools/cldr-code/src/main/java/org/unicode/cldr/util/DTD2XSD.java
index 37a6e716261..eb5399098a2 100644
--- a/tools/cldr-code/src/main/java/org/unicode/cldr/util/DTD2XSD.java
+++ b/tools/cldr-code/src/main/java/org/unicode/cldr/util/DTD2XSD.java
@@ -16,6 +16,7 @@
 import java.io.IOException;
 import java.io.OutputStream;
 import java.io.PrintWriter;
+import java.nio.charset.StandardCharsets;
 import org.w3c.dom.Document;
 import org.w3c.dom.Node;
 import org.w3c.dom.NodeList;
@@ -65,7 +66,7 @@ private static void writeXsd(
         // Step 4: write .xsd out
         try (OutputStream file =
                         new BufferedOutputStream(new FileOutputStream(xsdPath, false)); // Append
-                PrintWriter pw = new PrintWriter(file); ) {
+                PrintWriter pw = new PrintWriter(file, false, StandardCharsets.UTF_8); ) {
             LDMLUtilities.printDOMTree(
                     d,
                     pw,