diff --git a/pkgs/default.nix b/pkgs/default.nix
index 4fff6e60..de8c0264 100644
--- a/pkgs/default.nix
+++ b/pkgs/default.nix
@@ -1,4 +1,11 @@
-{inputs, ...}: {
+{
+  inputs,
+  lib,
+  ...
+}: let
+  inherit (builtins) attrNames listToAttrs map mapAttrs;
+  inherit (lib) nameValuePair pipe optionalAttrs;
+in {
   imports = [inputs.flake-parts.flakeModules.easyOverlay];
 
   perSystem = {
@@ -6,12 +13,59 @@
     pkgs,
     ...
   }: let
-    inherit (pkgs) callPackage lib darwin hostPlatform;
+    inherit (pkgs) callPackage hostPlatform;
     darwinPkgs = {
-      inherit (darwin.apple_sdk.frameworks) Foundation;
+      inherit (pkgs.darwin.apple_sdk.frameworks) Foundation;
+    };
+
+    genPkgVersions = pkgName: let
+      mod = ./. + "/${pkgName}/version-catalog.nix";
+      inherit
+        (import mod)
+        supportedVersions
+        getSourceVersion
+        getBinaryVersion
+        ;
+      getVersion = type:
+        if type == "source"
+        then getSourceVersion
+        else getBinaryVersion;
+    in {
+      flattened = type: let
+        nameSuffix =
+          if type == "binary"
+          then "-binary"
+          else "";
+      in
+        pipe (attrNames supportedVersions."${type}") [
+          (
+            map (
+              version:
+                nameValuePair
+                "${pkgName}${nameSuffix}-${version}"
+                (callPackage (getVersion type version) darwinPkgs)
+            )
+          )
+          listToAttrs
+        ];
+
+      hierarchical = {
+        "${pkgName}" = pipe ["source" "binary"] [
+          (map (type:
+            nameValuePair type (
+              mapAttrs
+              (version: _: (callPackage (getVersion type version) darwinPkgs))
+              supportedVersions."${type}"
+            )))
+          listToAttrs
+        ];
+      };
     };
   in {
     overlayAttrs = self'.packages;
+    legacyPackages =
+      {}
+      // (genPkgVersions "dmd").hierarchical;
     packages =
       {
         ldc-binary = callPackage ./ldc/bootstrap.nix {};
@@ -19,9 +73,13 @@
 
         dub = callPackage ./dub {};
       }
-      // lib.optionalAttrs hostPlatform.isx86 {
-        dmd-binary = callPackage ./dmd/bootstrap.nix {};
-        dmd = callPackage ./dmd darwinPkgs;
-      };
+      // optionalAttrs hostPlatform.isx86 (
+        {
+          dmd-bootstrap = self'.packages."dmd-binary-2.098.0";
+          dmd = self'.packages."dmd-2.100.2";
+        }
+        // (genPkgVersions "dmd").flattened "binary"
+        // (genPkgVersions "dmd").flattened "source"
+      );
   };
 }
diff --git a/pkgs/dmd/2.098.nix b/pkgs/dmd/2.098.nix
deleted file mode 100644
index b2752b86..00000000
--- a/pkgs/dmd/2.098.nix
+++ /dev/null
@@ -1,7 +0,0 @@
-import ./generic.nix {
-  version = "2.098.1";
-  dmdSha256 = "0xf2l1yqncbmyggdn6pqc82f93cnnzg9mgkkq63l41f89y4man7b";
-  druntimeSha256 = "1vd1b4vj1f5d5rr6ixfsr27m81z27yv6f4j1i6dsn7l9c73dppqw";
-  phobosSha256 = "1l0z08xrab5hhnblkamlzbl1ia3szbliy1qx9f5khz0nsj9vgihq";
-  toolsSha256 = "sha256-+pH7X9YRh0yG0iZoDkC6X50uscb4WKXmk2V+74cMSW8=";
-}
diff --git a/pkgs/dmd/2.100.nix b/pkgs/dmd/2.100.nix
deleted file mode 100644
index d3978a4b..00000000
--- a/pkgs/dmd/2.100.nix
+++ /dev/null
@@ -1,7 +0,0 @@
-import ./generic.nix {
-  version = "2.100.2";
-  dmdSha256 = "sha256-o4+G3ARXIGObYHtHooYZKr+Al6kHpiwpMIog3i4BlDM=";
-  druntimeSha256 = "sha256-qXvY1ECN4mPwOGgOE1FWwvxoRvlSww3tGLWgBdhzAKo=";
-  phobosSha256 = "sha256-kTHRaAKG7cAGb4IE/NGHWaZ8t7ZceKj03l6E8wLzJzs=";
-  toolsSha256 = "sha256-2yzdkarbsf0kOXzLaS6bvBFoiYbDulnEHTozmHX3Oc4=";
-}
diff --git a/pkgs/dmd/2.102.nix b/pkgs/dmd/2.102.nix
deleted file mode 100644
index 65a10baf..00000000
--- a/pkgs/dmd/2.102.nix
+++ /dev/null
@@ -1,6 +0,0 @@
-import ./generic.nix {
-  version = "2.102.2";
-  dmdSha256 = "sha256-der9nb31hJ+K1aJZdzIgs8+eRgVVsH97QnYEnVbKUws=";
-  phobosSha256 = "sha256-SracmUm2aY/LDCyDqYuVS39pCbwO8UCL3TSB0CVHpHE=";
-  toolsSha256 = "sha256-XM4gUxcarQCOBR8W/o0iWAI54PyLDkH6CsDce22Cnu4=";
-}
diff --git a/pkgs/dmd/binary.nix b/pkgs/dmd/binary.nix
index 4a2ce4cf..11b65c47 100644
--- a/pkgs/dmd/binary.nix
+++ b/pkgs/dmd/binary.nix
@@ -1,4 +1,7 @@
 {
+  version,
+  hashes,
+}: {
   lib,
   stdenv,
   fetchurl,
@@ -7,8 +10,7 @@
   autoPatchelfHook,
   fixDarwinDylibNames,
   gccForLibs,
-  version,
-  hashes,
+  ...
 }: let
   inherit (stdenv) hostPlatform;
   OS =
diff --git a/pkgs/dmd/bootstrap.nix b/pkgs/dmd/bootstrap.nix
index 0fc6fb01..36695f96 100644
--- a/pkgs/dmd/bootstrap.nix
+++ b/pkgs/dmd/bootstrap.nix
@@ -1,5 +1,4 @@
-{callPackage}:
-callPackage ./binary.nix {
+import ./binary.nix {
   version = "2.098.0";
   hashes = {
     # COMPILER=dmd VERSION=2.098.0 ./scripts/fetch-binary
diff --git a/pkgs/dmd/generic.nix b/pkgs/dmd/generic.nix
index 31c414e1..35f2fb6d 100644
--- a/pkgs/dmd/generic.nix
+++ b/pkgs/dmd/generic.nix
@@ -81,15 +81,20 @@
     then "druntime"
     else "dmd/druntime";
 
-  commonBuildFlags = [
-    "-fposix.mak"
-    "SHELL=${bash}/bin/bash"
-    "DMD=$(NIX_BUILD_TOP)/dmd/${buildPath}/dmd"
-    "CC=${if stdenv.isDarwin then stdenv.cc else gcc11}/bin/cc"
-    "HOST_DMD=${HOST_DMD}"
-    "PIC=1"
-    "BUILD=${buildMode}"
-  ]
+  commonBuildFlags =
+    [
+      "-fposix.mak"
+      "SHELL=${bash}/bin/bash"
+      "DMD=$(NIX_BUILD_TOP)/dmd/${buildPath}/dmd"
+      "CC=${
+        if stdenv.isDarwin
+        then stdenv.cc
+        else gcc11
+      }/bin/cc"
+      "HOST_DMD=${HOST_DMD}"
+      "PIC=1"
+      "BUILD=${buildMode}"
+    ]
     # There is an "ifdef ENABLE_COVERAGE" rule in Phobos posix.max causing
     # coverage to be enabled even if it's set to 0. For consistency we leave
     # any false values unset.
@@ -107,37 +112,39 @@ in
 
     enableParallelBuilding = true;
 
-    srcs = [
-      (fetchFromGitHub {
-        owner = "dlang";
-        repo = "dmd";
-        rev = "v${version}";
-        sha256 = dmdSha256;
-        name = "dmd";
-      })
-      (fetchFromGitHub {
-        owner = "dlang";
-        repo = "phobos";
-        rev = "v${version}";
-        sha256 = phobosSha256;
-        name = "phobos";
-      })
-      (fetchFromGitHub {
-        owner = "dlang";
-        repo = "tools";
-        rev = "v${version}";
-        sha256 = toolsSha256;
-        name = "tools";
-      })
-    ] ++ lib.optionals druntimeRepo [
-      (fetchFromGitHub {
-        owner = "dlang";
-        repo = "druntime";
-        rev = "v${version}";
-        sha256 = druntimeSha256;
-        name = "druntime";
-      })
-    ];
+    srcs =
+      [
+        (fetchFromGitHub {
+          owner = "dlang";
+          repo = "dmd";
+          rev = "v${version}";
+          sha256 = dmdSha256;
+          name = "dmd";
+        })
+        (fetchFromGitHub {
+          owner = "dlang";
+          repo = "phobos";
+          rev = "v${version}";
+          sha256 = phobosSha256;
+          name = "phobos";
+        })
+        (fetchFromGitHub {
+          owner = "dlang";
+          repo = "tools";
+          rev = "v${version}";
+          sha256 = toolsSha256;
+          name = "tools";
+        })
+      ]
+      ++ lib.optionals druntimeRepo [
+        (fetchFromGitHub {
+          owner = "dlang";
+          repo = "druntime";
+          rev = "v${version}";
+          sha256 = druntimeSha256;
+          name = "druntime";
+        })
+      ];
 
     sourceRoot = ".";
 
@@ -247,7 +254,8 @@ in
       export MAKEFLAGS="-j$buildJobs"
 
       make -C dmd $buildFlags
-      ${lib.optionalString druntimeRepo
+      ${
+        lib.optionalString druntimeRepo
         "make -C druntime $buildFlags"
       }
       make -C phobos $buildFlags DFLAGS="${phobosDflags}"
@@ -282,8 +290,8 @@ in
         make -C dmd test $checkFlags
 
       ${lib.optionalString druntimeRepo ''
-      NIX_ENFORCE_PURITY= \
-        make -C druntime unittest $checkFlags
+        NIX_ENFORCE_PURITY= \
+          make -C druntime unittest $checkFlags
       ''}
 
       NIX_ENFORCE_PURITY= \
diff --git a/pkgs/dmd/supported-source-versions.json b/pkgs/dmd/supported-source-versions.json
new file mode 100644
index 00000000..7e002586
--- /dev/null
+++ b/pkgs/dmd/supported-source-versions.json
@@ -0,0 +1,19 @@
+{
+  "2.098.1": {
+    "dmd": "sha256-61hViU/IBUKHwXO+mt63lo3kBGL4Gtve83Uxi32gwnU=",
+    "druntime": "sha256-HN/bxmGJHqubiUESZ7Y/4gdUj8ja9WhyLq24IDdZoe0=",
+    "phobos": "sha256-GMa3k9QWfDiLSx0HH+n6eqgY6Pq0qkmXhbAslTsCH9A=",
+    "tools": "sha256-+pH7X9YRh0yG0iZoDkC6X50uscb4WKXmk2V+74cMSW8="
+  },
+  "2.100.2": {
+    "dmd": "sha256-o4+G3ARXIGObYHtHooYZKr+Al6kHpiwpMIog3i4BlDM=",
+    "druntime": "sha256-qXvY1ECN4mPwOGgOE1FWwvxoRvlSww3tGLWgBdhzAKo=",
+    "phobos": "sha256-kTHRaAKG7cAGb4IE/NGHWaZ8t7ZceKj03l6E8wLzJzs=",
+    "tools": "sha256-2yzdkarbsf0kOXzLaS6bvBFoiYbDulnEHTozmHX3Oc4="
+  },
+  "2.102.2": {
+    "dmd": "sha256-der9nb31hJ+K1aJZdzIgs8+eRgVVsH97QnYEnVbKUws=",
+    "phobos": "sha256-SracmUm2aY/LDCyDqYuVS39pCbwO8UCL3TSB0CVHpHE=",
+    "tools": "sha256-XM4gUxcarQCOBR8W/o0iWAI54PyLDkH6CsDce22Cnu4="
+  }
+}
diff --git a/pkgs/dmd/version-catalog.nix b/pkgs/dmd/version-catalog.nix
new file mode 100644
index 00000000..326193d0
--- /dev/null
+++ b/pkgs/dmd/version-catalog.nix
@@ -0,0 +1,38 @@
+rec {
+  supportedVersions = {
+    source = builtins.fromJSON (
+      builtins.readFile ./supported-source-versions.json
+    );
+
+    binary = builtins.fromJSON (
+      builtins.readFile ./supported-binary-versions.json
+    );
+  };
+
+  getSourceVersion = version:
+    assert builtins.hasAttr version supportedVersions.source; let
+      componentHashes = supportedVersions.source."${version}";
+    in
+      import ./generic.nix ({
+          inherit version;
+          dmdSha256 = componentHashes.dmd;
+          phobosSha256 = componentHashes.phobos;
+          toolsSha256 = componentHashes.tools;
+        }
+        // (
+          if componentHashes ? "druntime"
+          then {
+            druntimeSha256 = componentHashes.druntime;
+          }
+          else {}
+        ));
+
+  getBinaryVersion = version:
+    assert builtins.hasAttr version supportedVersions.binary; let
+      componentHashes = supportedVersions.binary."${version}";
+    in
+      import ./binary.nix {
+        inherit version;
+        hashes = componentHashes;
+      };
+}
diff --git a/pkgs/ldc/binary.nix b/pkgs/ldc/binary.nix
index 13700c5f..0f9b3d92 100644
--- a/pkgs/ldc/binary.nix
+++ b/pkgs/ldc/binary.nix
@@ -68,6 +68,6 @@ in
       maintainers = with maintainers; [ThomasMader lionello];
       # FIXME: change to the following after the CI verifies it:
       # platforms = builtins.attrNames systemToArchivePlatform;
-      platforms = [ "x86_64-linux" "aarch64-linux" "x86_64-darwin" "aarch64-darwin"];
+      platforms = ["x86_64-linux" "aarch64-linux" "x86_64-darwin" "aarch64-darwin"];
     };
   }