Merge 3a43353dd5 into haskell-updates

Fixes the build for HLS on GHC 9.14 without support for hlint or
stylish-haskell, because these two don't support ghc-lib-parser 9.14.x,
yet.

maintainers/scripts/haskell/eval-pkg-sets.sh

@@ -0,0 +1,39 @@
+#!/usr/bin/env nix-shell
+#!nix-shell -i bash
+#!nix-shell -p jq git
+# shellcheck shell=bash
+#
+# Usage: eval-pkg-sets.sh [extra flags for nix-* commands ...]
+#
+# Must be executed in a git checkout of Nixpkgs.
+
+set -euo pipefail
+
+NIXPKGS="$(git rev-parse --show-toplevel)"
+PKGSETS="$(nix-env --readonly-mode --json --drv-path -f "$NIXPKGS" -qaP -A haskell.compiler "$@" \
+  | jq -r 'to_entries | unique_by(.value.drvPath) .[] .key | sub("^haskell.compiler";"haskell.packages")')"
+
+trap 'exit 1' SIGINT SIGTERM
+
+set +e
+
+badsets=""
+for set in $PKGSETS; do
+  # Confirm an equivalent package set to haskell.compiler.$entry exists and is usable
+  if ! nix-instantiate --readonly-mode -A "$set.ghc" "$@" > /dev/null 2>&1; then
+    echo "Skipping $set... ($set.ghc does not evaluate)"
+  else
+    echo "Evaluating $set..."
+
+    if ! nix-env --readonly-mode -f "$NIXPKGS" -qaP --drv-path -A "$set" "$@" > /dev/null; then
+      badsets+="$set "
+    fi
+  fi
+done
+
+if [ -n "$badsets" ]; then
+  echo "Found potential eval issues in the following sets:" >&2
+  # shellcheck disable=SC2086
+  printf '%s\n' $badsets
+  exit 1
+fi

maintainers/scripts/haskell/unbreak.nu

@@ -6,7 +6,7 @@
 
 # Attention: For unknown reasons, the script can't be easily cancelled and needs to be killed manually if it shouldn't run to completion.
 
-use std log
+use std/log
 
 let broken_config = "pkgs/development/haskell-modules/configuration-hackage2nix/broken.yaml"
 

maintainers/scripts/haskell/update-stackage.sh

@@ -33,7 +33,7 @@ fi
 
 # Stackage solver to use, LTS or Nightly
 # (should be capitalized like the display name)
-SOLVER=LTS
+SOLVER=Nightly
 # Stackage solver version, if any. Use latest if empty
 VERSION=
 TMP_TEMPLATE=update-stackage.XXXXXXX
@@ -105,6 +105,7 @@ sed -r \
     -e '/ hledger-ui /d' \
     -e '/ hledger-web /d' \
     -e '/ spacecookie /d' \
+    -e '/ hnix-store-core /d' \
     < "${tmpfile_new}" >> $stackage_config
 # Explanations:
 # cabal2nix, distribution-nixpkgs, jailbreak-cabal, language-nix: These are our packages and we know what we are doing.

pkgs/by-name/ko/koka/package.nix

@@ -68,7 +68,7 @@ haskellPackages.mkDerivation {
     hashable
     isocline
     lens
-    lsp_2_8_0_0
+    lsp
     mtl
     network
     network-simple

pkgs/by-name/mk/mkjson/generated.nix

@@ -1,7 +1,7 @@
 {
   mkDerivation,
   lib,
-  fetchFromGitHub,
+  fetchFromCodeberg,
   aeson,
   base,
   bytestring,
@@ -26,7 +26,7 @@
 mkDerivation rec {
   pname = "mkjson";
   version = "0.4.0";
-  src = fetchFromGitHub {
+  src = fetchFromCodeberg {
     owner = "mfussenegger";
     repo = "mkjson";
     rev = "${version}";

pkgs/by-name/mk/mkjson/package.nix

@@ -1,2 +1,19 @@
-{ haskell, haskellPackages }:
-haskell.lib.justStaticExecutables (haskellPackages.callPackage ./generated.nix { })
+{
+  haskell,
+  haskellPackages,
+  lib,
+}:
+let
+  inherit (haskell.lib.compose) justStaticExecutables overrideCabal;
+
+  # The mkjson-doctest suite depends on specific RNG results not provided by the
+  # GHC in Nixpkgs as of this writing.
+  overrides = {
+    testTargets = [ "mkjson-test" ];
+  };
+  raw-pkg = haskellPackages.callPackage ./generated.nix { };
+in
+lib.pipe raw-pkg [
+  (overrideCabal overrides)
+  justStaticExecutables
+]

pkgs/by-name/ta/tamarin-prover/package.nix

@@ -35,7 +35,7 @@ let
     license = lib.licenses.gpl3;
     homepage = "https://tamarin-prover.github.io";
     description = "Security protocol verification in the symbolic model";
-    maintainers = [ lib.maintainers.thoughtpolice ];
+    maintainers = [ ];
     hydraPlatforms = lib.platforms.linux; # maude is broken on darwin
   };
 

pkgs/data/misc/hackage/pin.json

@@ -1,6 +1,6 @@
 {
-  "commit": "3a3b69bdd8114e4503dc8cb9909a3b0ea32e6be6",
-  "url": "https://github.com/commercialhaskell/all-cabal-hashes/archive/3a3b69bdd8114e4503dc8cb9909a3b0ea32e6be6.tar.gz",
-  "sha256": "1qjd5gp9d4r4y6qjf52m7w9dzy9nq622aqv72ma8d4xlrxrrachp",
-  "msg": "Update from Hackage at 2026-04-24T19:35:23Z"
+  "commit": "87c48951e262dd17a0a5d797352b2c02fad42f63",
+  "url": "https://github.com/commercialhaskell/all-cabal-hashes/archive/87c48951e262dd17a0a5d797352b2c02fad42f63.tar.gz",
+  "sha256": "0spjj8cmidas83wvj5zzras5cya4yvynbxsa2fhish3n0m9dph1c",
+  "msg": "Update from Hackage at 2026-09-02T14:06:22Z"
 }

pkgs/development/compilers/elm/packages/ghc9_8/default.nix

@@ -51,6 +51,11 @@ pkgs.haskell.packages.ghc98.override {
         # https://github.com/avh4/elm-format/blob/e7e5da37716acbfb4954a88128b5cc72b2c911d9/package/nix/generate_derivation.sh
         elm-format = justStaticExecutables (
           overrideCabal (drv: {
+            # jailbreak required due to optparse-applicative bounds
+            # optparse-applicative >=0.17.0.0 && <0.19
+            # upstream PR https://github.com/avh4/elm-format/pull/841
+            jailbreak = true;
+
             postPatch = ''
               mkdir -p ./generated
               cat <<EOHS > ./generated/Build_elm_format.hs
@@ -77,8 +82,14 @@ pkgs.haskell.packages.ghc98.override {
       inherit elmPkgs;
 
       # Needed for elm-format
+
       avh4-lib = self.callPackage ./elm-format/avh4-lib.nix { };
-      elm-format-lib = self.callPackage ./elm-format/elm-format-lib.nix { };
+      # jailbreak required due to optparse-applicative bounds
+      # optparse-applicative >=0.17.0.0 && <0.19
+      # upstream PR https://github.com/avh4/elm-format/pull/841
+      elm-format-lib = pkgs.haskell.lib.doJailbreak (
+        self.callPackage ./elm-format/elm-format-lib.nix { }
+      );
       elm-format-test-lib = self.callPackage ./elm-format/elm-format-test-lib.nix { };
       elm-format-markdown = self.callPackage ./elm-format/elm-format-markdown.nix { };
     };

pkgs/development/compilers/ghc/9.12.5.nix

@@ -0,0 +1,5 @@
+import ./common-hadrian.nix {
+  version = "9.12.4.20260713";
+  url = "https://downloads.haskell.org/~ghc/9.12.5-rc3/ghc-9.12.4.20260713-src.tar.gz";
+  sha256 = "cc77cff2014dd99c16c9f311f7558d9a11aa3c3a2dee47425b109c3dac35338c";
+}

pkgs/development/compilers/ghc/9.14.2.nix

@@ -0,0 +1,5 @@
+import ./common-hadrian.nix {
+  url = "https://downloads.haskell.org/~ghc/9.14.2-rc1/ghc-9.14.1.20260728-src.tar.xz";
+  version = "9.14.1.20260728";
+  sha256 = "015543170af3ca4bf3b2c4112a207b4738be72243883cb0dbbe673bcc316a04f";
+}

pkgs/development/compilers/ghc/common-hadrian.nix

@@ -118,6 +118,7 @@
         # While split sections are now enabled by default in ghc 8.8 for windows,
         # they seem to lead to `too many sections` errors when building base for
         # profiling.
+        # TODO(@alexfmpe): test split sections again with GHC 9.14.2
         ++ (if stdenv.targetPlatform.isWindows then [ "no_split_sections" ] else [ "split_sections" ]);
     in
     baseFlavour + lib.concatMapStrings (t: "+${t}") transformers,
@@ -324,34 +325,21 @@
       ]
 
       # Fix docs build with Sphinx >= 9 https://gitlab.haskell.org/ghc/ghc/-/issues/26810
-      ++
-        lib.optionals
-          (
-            lib.versionOlder version "9.12.4"
-            || (lib.versionAtLeast version "9.14" && lib.versionOlder version "9.15.20260129")
-          )
-          [
-            ./ghc-9.6-or-later-docs-sphinx-9.patch
-          ]
+      ++ lib.optionals (lib.versionOlder version "9.12.4" || version == "9.14.1") [
+        ./ghc-9.6-or-later-docs-sphinx-9.patch
+      ]
 
       # Fixes rts/Types.h missing from the install when targeting javascript
       # See https://gitlab.haskell.org/ghc/ghc/-/merge_requests/15740, krank:ignore-line
       # https://gitlab.haskell.org/ghc/ghc/-/issues/27033. krank:ignore-line
-      ++
-        lib.optionals
-          (
-            version == "9.12.3"
-            # TODO(@sternenseemann): 9.14.2 will likely also have this patch
-            || (lib.versionAtLeast version "9.14" && lib.versionOlder version "9.15.20260127")
-          )
-          [
-            (fetchpatch {
-              name = "ghc-9.12.3-ghcjs-install-rts-types.h.patch";
-              url = "https://gitlab.haskell.org/ghc/ghc/-/commit/5b1be555be4f0989d78c274991c5046d7ac6d25e.patch";
-              hash = "sha256-pv4NDyQ6FlZgmTYZ4Ghis4qggt7nCDMhqGaFxTxVPac=";
-              includes = [ "rts/rts.cabal" ];
-            })
-          ]
+      ++ lib.optionals (version == "9.12.3" || version == "9.14.1") [
+        (fetchpatch {
+          name = "ghc-9.12.3-ghcjs-install-rts-types.h.patch";
+          url = "https://gitlab.haskell.org/ghc/ghc/-/commit/5b1be555be4f0989d78c274991c5046d7ac6d25e.patch";
+          hash = "sha256-pv4NDyQ6FlZgmTYZ4Ghis4qggt7nCDMhqGaFxTxVPac=";
+          includes = [ "rts/rts.cabal" ];
+        })
+      ]
 
       # Enable GHCi on LoongArch64 (not in upstream's hardcoded platform list)
       ++ lib.optionals stdenv.targetPlatform.isLoongArch64 [
@@ -884,16 +872,6 @@ stdenv.mkDerivation (
     preInstall = ''
       pushd _build/bindist/*
 
-    ''
-    # the bindist configure script uses different env variables than the GHC configure script
-    # see https://github.com/NixOS/nixpkgs/issues/267250 krank:ignore-line
-    # https://gitlab.haskell.org/ghc/ghc/-/issues/24211  krank:ignore-line
-    + lib.optionalString (stdenv.targetPlatform.linker == "cctools") ''
-      export InstallNameToolCmd=$INSTALL_NAME_TOOL
-      export OtoolCmd=$OTOOL
-    ''
-    # Replicate configurePhase
-    + ''
       $configureScript "''${configureFlags[@]}"
     '';
 

pkgs/development/compilers/ghc/head.nix

@@ -1,5 +1,5 @@
 import ./common-hadrian.nix {
-  version = "9.15.20260322";
-  rev = "44f118f09dcde49f64d03e427312df4732f2d4a4";
-  sha256 = "sha256-xby7HKyK5P1Y5DjKbVe62piDCY4Ujb4pbv8AJ7sQ0HI=";
+  version = "10.1.20260810";
+  rev = "556db2f32f59ec2d3b1c225d24d677c60a695e3f";
+  sha256 = "sha256-lB4udTc9hQZEnldmvpllDkCtUVte65/ZMhZd7rf5xOY=";
 }

pkgs/development/haskell-modules/cabal2nix-unstable/cabal2nix.nix

@@ -35,10 +35,10 @@
 }:
 mkDerivation {
   pname = "cabal2nix";
-  version = "2.21.3-unstable-2026-03-30";
+  version = "2.21.3-unstable-2026-08-21";
   src = fetchzip {
-    url = "https://github.com/NixOS/cabal2nix/archive/41239bcc0622a0975c6705a03a44dfeffeb56f23.tar.gz";
-    sha256 = "01qj6cvaif0810v83r6izcj1bbfpcqqxw4wybq04qsq92sqybpw2";
+    url = "https://github.com/NixOS/cabal2nix/archive/b9ef7e13a1eebdf9cb56518b5010befa1ca505af.tar.gz";
+    sha256 = "052kdc9rli92pyk45p3ly2xgvhm312ik7d22khxw9rsphpsr4n8d";
   };
   postUnpack = "sourceRoot+=/cabal2nix; echo source root reset to $sourceRoot";
   isLibrary = true;
@@ -106,5 +106,5 @@ mkDerivation {
   '';
   homepage = "https://github.com/nixos/cabal2nix#readme";
   description = "Convert Cabal files into Nix build instructions";
-  license = lib.licensesSpdx."BSD-3-Clause";
+  license = lib.meta.getLicenseFromSpdxId "BSD-3-Clause";
 }

pkgs/development/haskell-modules/cabal2nix-unstable/distribution-nixpkgs.nix

@@ -18,10 +18,10 @@
 }:
 mkDerivation {
   pname = "distribution-nixpkgs";
-  version = "1.7.1.1-unstable-2026-03-30";
+  version = "1.7.1.1-unstable-2026-08-21";
   src = fetchzip {
-    url = "https://github.com/NixOS/cabal2nix/archive/41239bcc0622a0975c6705a03a44dfeffeb56f23.tar.gz";
-    sha256 = "01qj6cvaif0810v83r6izcj1bbfpcqqxw4wybq04qsq92sqybpw2";
+    url = "https://github.com/NixOS/cabal2nix/archive/b9ef7e13a1eebdf9cb56518b5010befa1ca505af.tar.gz";
+    sha256 = "052kdc9rli92pyk45p3ly2xgvhm312ik7d22khxw9rsphpsr4n8d";
   };
   postUnpack = "sourceRoot+=/distribution-nixpkgs; echo source root reset to $sourceRoot";
   enableSeparateDataOutput = true;
@@ -49,5 +49,5 @@ mkDerivation {
   ];
   homepage = "https://github.com/NixOS/cabal2nix/tree/master/distribution-nixpkgs#readme";
   description = "Types and functions to manipulate the Nixpkgs distribution";
-  license = lib.licensesSpdx."BSD-3-Clause";
+  license = lib.meta.getLicenseFromSpdxId "BSD-3-Clause";
 }

pkgs/development/haskell-modules/cabal2nix-unstable/hackage-db.nix

@@ -16,10 +16,10 @@
 }:
 mkDerivation {
   pname = "hackage-db";
-  version = "2.1.3-unstable-2026-03-30";
+  version = "2.1.3-unstable-2026-08-21";
   src = fetchzip {
-    url = "https://github.com/NixOS/cabal2nix/archive/41239bcc0622a0975c6705a03a44dfeffeb56f23.tar.gz";
-    sha256 = "01qj6cvaif0810v83r6izcj1bbfpcqqxw4wybq04qsq92sqybpw2";
+    url = "https://github.com/NixOS/cabal2nix/archive/b9ef7e13a1eebdf9cb56518b5010befa1ca505af.tar.gz";
+    sha256 = "052kdc9rli92pyk45p3ly2xgvhm312ik7d22khxw9rsphpsr4n8d";
   };
   postUnpack = "sourceRoot+=/hackage-db; echo source root reset to $sourceRoot";
   isLibrary = true;
@@ -38,5 +38,5 @@ mkDerivation {
   ];
   homepage = "https://github.com/NixOS/cabal2nix/tree/master/hackage-db#readme";
   description = "Access cabal-install's Hackage database via Data.Map";
-  license = lib.licensesSpdx."BSD-3-Clause";
+  license = lib.meta.getLicenseFromSpdxId "BSD-3-Clause";
 }

pkgs/development/haskell-modules/cabal2nix-unstable/language-nix.nix

@@ -14,10 +14,10 @@
 }:
 mkDerivation {
   pname = "language-nix";
-  version = "2.3.0-unstable-2026-03-30";
+  version = "2.3.0-unstable-2026-08-21";
   src = fetchzip {
-    url = "https://github.com/NixOS/cabal2nix/archive/41239bcc0622a0975c6705a03a44dfeffeb56f23.tar.gz";
-    sha256 = "01qj6cvaif0810v83r6izcj1bbfpcqqxw4wybq04qsq92sqybpw2";
+    url = "https://github.com/NixOS/cabal2nix/archive/b9ef7e13a1eebdf9cb56518b5010befa1ca505af.tar.gz";
+    sha256 = "052kdc9rli92pyk45p3ly2xgvhm312ik7d22khxw9rsphpsr4n8d";
   };
   postUnpack = "sourceRoot+=/language-nix; echo source root reset to $sourceRoot";
   libraryHaskellDepends = [
@@ -39,5 +39,5 @@ mkDerivation {
   ];
   homepage = "https://github.com/NixOS/cabal2nix/tree/master/language-nix#readme";
   description = "Data types and functions to represent the Nix language";
-  license = lib.licensesSpdx."BSD-3-Clause";
+  license = lib.meta.getLicenseFromSpdxId "BSD-3-Clause";
 }

pkgs/development/haskell-modules/configuration-ghc-9.0.x.nix

@@ -37,4 +37,21 @@ self: super: {
   unix = null;
   xhtml = null;
   Win32 = null;
+
+  # core pkgs on later GHCs that we can reasonably provide a stub
+  # or Hackage released version for (though they may not build).
+  Cabal-syntax = self.Cabal-syntax_3_6_0_0;
+  semaphore-compat = self.semaphore-compat_2_0_1;
+  os-string = self.os-string_2_0_11;
+  file-io = self.file-io_0_2_0;
+  # Would need 2.25.*, but let's not bother
+  haddock-api = self.haddock-api_2_29_1;
+  haddock-library = self.haddock-library_1_11_0;
+
+  # core pkgs on later GHCs we can't provide at all
+  system-cxx-std-lib = null;
+  ghc-experimental = null;
+  ghc-internal = null;
+  ghc-platform = null;
+  ghc-toolchain = null;
 }

pkgs/development/haskell-modules/configuration-ghc-9.10.x.nix

@@ -65,54 +65,16 @@ in
   xhtml = null;
   Win32 = null;
 
+  # Become core packages in GHC >= 9.12
+  file-io = doDistribute self.file-io_0_2_0;
+  haddock-api = markBroken self.haddock-api_2_29_1; # no compatible release available
+  haddock-library = doJailbreak (doDistribute self.haddock-library_1_11_0);
+
+  ghc-exactprint = doDistribute self.ghc-exactprint_1_10_0_0;
+
   # “Unfortunately we are unable to support GHC 9.10.”
   apply-refact = dontDistribute (markBroken super.apply-refact);
 
-  stack =
-    # Setup.hs depends on Cabal-syntax >= 3.14
-    overrideCabal
-      (drv: {
-        setupHaskellDepends = drv.setupHaskellDepends or [ ] ++ [
-          self.Cabal-syntax_3_14_2_0
-          self.Cabal_3_14_2_0
-        ];
-        # We need to tell GHC to ignore the Cabal core libraries while
-        # compiling Setup.hs since it depends on Cabal >= 3.14.
-        # ATTN: This override assumes we are using GHC 9.10.3 since we need
-        # to give an exact Cabal version at the GHC (!) command line.
-        # FIXME(@sternenseemann): make direct argument to generic-builder.nix
-        env = drv.env or { } // {
-          setupCompileFlags = lib.concatStringsSep " " [
-            "-hide-package"
-            "Cabal-syntax-3.12.1.0"
-            "-hide-package"
-            "Cabal-3.12.1.0"
-          ];
-        };
-      })
-
-      # Stack itself depends on Cabal >= 3.14 which also needs to be updated for deps
-      (
-        super.stack.overrideScope (
-          sself: ssuper:
-          let
-            upgradeCabal =
-              drv:
-              lib.pipe drv [
-                (addBuildDepends [ sself.Cabal_3_14_2_0 ])
-                (appendConfigureFlags [ "--constraint=Cabal>=3.14" ])
-              ];
-          in
-          {
-            pantry = upgradeCabal ssuper.pantry_0_11_2;
-            rio-prettyprint = upgradeCabal ssuper.rio-prettyprint;
-            hackage-security = upgradeCabal ssuper.hackage-security;
-            hpack = upgradeCabal sself.hpack_0_39_1;
-            stack = upgradeCabal ssuper.stack;
-          }
-        )
-      );
-
   #
   # Version upgrades
   #
@@ -124,10 +86,6 @@ in
   # Jailbreaks
   #
   floskell = doJailbreak super.floskell; # base <4.20
-  # 2025-04-09: filepath <1.5
-  haddock-library =
-    assert super.haddock-library.version == "1.11.0";
-    doJailbreak super.haddock-library;
   tree-sitter = doJailbreak super.tree-sitter; # containers <0.7, filepath <1.5
 
   #
@@ -136,6 +94,22 @@ in
   monad-dijkstra = dontCheck super.monad-dijkstra; # needs hlint 3.10
 
   # Workaround https://github.com/haskell/haskell-language-server/issues/4674
-  haskell-language-server = haskellLib.disableCabalFlag "hlint" super.haskell-language-server;
+  haskell-language-server = lib.pipe super.haskell-language-server [
+    (disableCabalFlag "hlint")
+    (addBuildDepends [
+      self.stan
+      self.trial
+    ])
+    (
+      hls:
+      hls.override {
+        apply-refact = null;
+        hlint = null;
+        refact = null;
+      }
+    )
+  ];
 
+  # test-suite uses MultilineStrings, which is only available in GHC 9.12+
+  cabal-add = dontCheck super.cabal-add;
 }

pkgs/development/haskell-modules/configuration-ghc-9.12.x.nix

@@ -60,7 +60,7 @@ with haskellLib;
     if pkgs.stdenv.hostPlatform == pkgs.stdenv.buildPlatform then
       null
     else
-      haskellLib.doDistribute self.terminfo_0_4_1_7;
+      doDistribute self.terminfo_0_4_1_7;
   text = null;
   time = null;
   transformers = null;
@@ -68,65 +68,10 @@ with haskellLib;
   xhtml = null;
   Win32 = null;
 
-  #
-  # Hand pick versions that are compatible with ghc 9.12 and base 4.21
-  #
-
-  extensions = doDistribute self.extensions_0_1_1_0;
-  ghc-exactprint = doDistribute self.ghc-exactprint_1_12_0_0;
-
   #
   # Jailbreaks
   #
 
-  large-generics = doJailbreak super.large-generics; # base <4.20
-  cpphs = overrideCabal (drv: {
-    # jail break manually the conditional dependencies
-    postPatch = ''
-      sed -i 's/time >=1.5 \&\& <1.13/time >=1.5 \&\& <=1.14/g' cpphs.cabal
-    '';
-  }) super.cpphs;
-  cabal-install-parsers = doJailbreak super.cabal-install-parsers; # base, Cabal-syntax, etc.
-  ghc-exactprint_1_12_0_0 = addBuildDepends [
-    # cabal2nix drops conditional block: impl (ghc >= 9.12)
-    self.Diff
-    self.extra
-    self.ghc-paths
-    self.silently
-    self.syb
-    self.HUnit
-  ] super.ghc-exactprint_1_12_0_0;
-  timezone-series = doJailbreak super.timezone-series; # time <1.14
-  timezone-olson = doJailbreak super.timezone-olson; # time <1.14
-  cabal-plan = doJailbreak super.cabal-plan; # base <4.21
   decimal-literals = doJailbreak super.decimal-literals; # base <4.21
   matrix-client = doJailbreak super.matrix-client; # time <1.13
-  patat = doJailbreak super.patat; # time <1.13
-  puresat = doJailbreak super.puresat; # base <4.21
-  dbus = doJailbreak super.dbus; # template-haskell <2.23
-  xmobar = doJailbreak super.xmobar; # base <4.21
-
-  #
-  # Test suite issues
-  #
-
-  relude = dontCheck super.relude;
-
-  # https://gitlab.haskell.org/ghc/ghc/-/issues/25930
-  generic-lens = dontCheck super.generic-lens;
-
-  # Cabal 3.14 regression (incorrect datadir in tests): https://github.com/haskell/cabal/issues/10717
-  alex = overrideCabal (drv: {
-    preCheck = drv.preCheck or "" + ''
-      export alex_datadir="$(pwd)/data"
-    '';
-  }) super.alex;
-
-  # https://github.com/sjakobi/newtype-generics/pull/28/files
-  newtype-generics = warnAfterVersion "0.6.2" (doJailbreak super.newtype-generics);
-
-  # Test failure because of GHC bug:
-  #   https://gitlab.haskell.org/ghc/ghc/-/issues/25937
-  #   https://github.com/sol/interpolate/issues/20
-  interpolate = dontCheckIf (lib.versionOlder self.ghc.version "9.12.3") super.interpolate;
 }

pkgs/development/haskell-modules/configuration-ghc-9.14.x.nix

@@ -62,7 +62,7 @@ with haskellLib;
     if pkgs.stdenv.hostPlatform == pkgs.stdenv.buildPlatform then
       null
     else
-      haskellLib.doDistribute self.terminfo_0_4_1_7;
+      doDistribute self.terminfo_0_4_1_7;
   text = null;
   time = null;
   transformers = null;
@@ -76,49 +76,71 @@ with haskellLib;
 
   scrod = doDistribute (unmarkBroken super.scrod);
 
+  # haskell-debugger only works with ghc 9.14+
+  haskell-debugger-view = doDistribute (unmarkBroken super.haskell-debugger-view);
+  haskell-debugger = doDistribute (doJailbreak super.haskell-debugger); # hie-bios < 0.18, random >=1.3.1
+
   #
   # Version upgrades
   #
 
-  ghc-exactprint = doDistribute self.ghc-exactprint_1_14_0_0;
-  hedgehog = doDistribute self.hedgehog_1_7;
-  hie-bios = doDistribute (dontCheck self.hie-bios_0_19_0); # Tests access homeless-shelter.
-  lifted-async = doDistribute self.lifted-async_0_11_0;
-  parallel = doDistribute self.parallel_3_3_0_0;
-  tagged = doDistribute self.tagged_0_8_10;
-  unordered-containers = doDistribute self.unordered-containers_0_2_21;
-  HTTP = doDistribute self.HTTP_4000_5_0;
+  ghc-exactprint_1_14_1_0 = addBuildDepends [
+    # cabal2nix drops conditional block: impl (ghc >= 9.14)
+    self.containers
+    self.Diff
+    self.directory
+    self.filepath
+    self.ghc-paths
+    self.silently
+    self.syb
+    self.HUnit
+  ] super.ghc-exactprint_1_14_1_0;
+
+  ghc-exactprint = doDistribute self.ghc-exactprint_1_14_1_0;
+  ghc-lib = doDistribute self.ghc-lib_9_14_1_20251220;
+  ghc-lib-parser = doDistribute self.ghc-lib-parser_9_14_1_20251220;
+  ghc-lib-parser-ex = doDistribute self.ghc-lib-parser-ex_9_14_2_0;
+
+  ormolu = doDistribute self.ormolu_0_9_0_0;
+  fourmolu = doDistribute self.fourmolu_0_20_1_0;
+
+  inherit
+    (
+      let
+        hls_overlay = lself: lsuper: {
+          Cabal-syntax = lself.Cabal-syntax_3_16_1_0;
+          Cabal = lself.Cabal_3_16_1_0;
+          cabal-install = lself.cabal-install_3_16_1_0;
+          # hlint does not support GHC 3.14, yet:
+          # https://github.com/ndmitchell/hlint/issues/1672
+          apply-refact = null;
+          hlint = null;
+          refact = null;
+          # stylish-haskell does not support GHC 9.14, yet:
+          # https://github.com/haskell/haskell-language-server/blob/5ce2a847d255ce6f420da49771711a89eee78541/haskell-language-server.cabal#L1544-L1546
+          stylish-haskell = null;
+        };
+      in
+      lib.mapAttrs (_: pkg: doDistribute (pkg.overrideScope hls_overlay)) {
+        ghcide = super.ghcide;
+        haskell-language-server = lib.pipe super.haskell-language-server [
+          (disableCabalFlag "hlint")
+          (disableCabalFlag "stylishHaskell")
+        ];
+        hls-plugin-api = super.hls-plugin-api;
+      }
+    )
+    ghcide
+    haskell-language-server
+    hls-plugin-api
+    ;
 
   #
   # Jailbreaks
   #
 
-  primitive = doJailbreak (dontCheck super.primitive); # base <4.22 and a lot of dependencies on packages not yet working.
-  splitmix = doJailbreak super.splitmix; # base <4.22
-
-  # https://github.com/phadej/boring/issues/48
-  boring = doJailbreak super.boring;
-  # https://github.com/haskellari/indexed-traversable/issues/49
-  indexed-traversable = doJailbreak super.indexed-traversable;
-  # https://github.com/haskellari/indexed-traversable/issues/50
-  indexed-traversable-instances = doJailbreak super.indexed-traversable-instances;
-  # https://github.com/haskellari/these/issues/211
-  these = doJailbreak super.these;
-  # https://github.com/haskellari/these/issues/207
-  semialign = doJailbreak super.semialign;
-  # https://github.com/haskellari/time-compat/issues/48
-  time-compat = doJailbreak super.time-compat;
-  # https://github.com/haskell-hvr/uuid/issues/95
-  uuid-types = doJailbreak super.uuid-types;
   # https://github.com/haskellari/qc-instances/issues/110
   quickcheck-instances = doJailbreak super.quickcheck-instances;
-  # https://github.com/haskell/aeson/issues/1155
-  text-iso8601 = doJailbreak super.text-iso8601;
-  aeson = doJailbreak super.aeson;
-
-  # https://github.com/haskell-party/feed/issues/76
-  feed = doJailbreak super.feed; # time<1.15, base<4.22
-
   # https://github.com/well-typed/cborg/issues/373
   cborg = doJailbreak super.cborg;
   serialise = doJailbreak (
@@ -134,29 +156,16 @@ with haskellLib;
     ] super.serialise
   );
 
-  # https://github.com/sjakobi/newtype-generics/pull/28/files
-  newtype-generics = warnAfterVersion "0.6.2" (doJailbreak super.newtype-generics);
-
-  # haskell-debugger only works with ghc 9.14+
-  haskell-debugger-view = doDistribute (unmarkBroken super.haskell-debugger-view);
-  haskell-debugger = doDistribute (doJailbreak super.haskell-debugger); # hie-bios < 0.18, random >=1.3.1
-
-  ghc-exactprint_1_14_0_0 = addBuildDepends [
-    # cabal2nix drops conditional block: impl (ghc >= 9.14)
-    self.Diff
-    self.extra
-    self.ghc-paths
-    self.silently
-    self.syb
-    self.HUnit
-  ] super.ghc-exactprint_1_14_0_0;
-
-  #
-  # Test suite issues
-  #
-
-  # Fails to compile with GHC 9.14 https://github.com/snoyberg/mono-traversable/pull/261
-  mono-traversable = dontCheck super.mono-traversable;
+  # https://github.com/maoe/ghc-trace-events/pull/17
+  ghc-trace-events = doJailbreak super.ghc-trace-events; # base < 4.22
+  # HLS, for some reason, decided to remove the hie-compat library from its tree
+  # in https://github.com/haskell/haskell-language-server/pull/4613
+  # even though hiedb (a dependency of HLS) unconditionally depends on it
+  # for all GHC versions. As a result, no one has updated the base bound
+  # of hie-compat to allow building it with GHC 9.14 neither in tree
+  # (which no longer exists) nor on Hackage. Instead, HLS is updating their
+  # cabal.project: https://github.com/haskell/haskell-language-server/blob/a4cfaa80ca94beded6f01547a161b37be7b33558/cabal.project#L78
+  hie-compat = doJailbreak super.hie-compat; # base < 4.22
 
   # Too strict bound on containers in test suite
   # https://github.com/jaspervdj/blaze-markup/issues/69
@@ -164,4 +173,27 @@ with haskellLib;
   # https://github.com/jaspervdj/blaze-html/issues/151
   blaze-html = doJailbreak super.blaze-html;
 
+  # 2026-09-05: base <4.22
+  # https://github.com/mitchellwrosen/tasty-hspec/pull/38
+  tasty-hspec = doJailbreak super.tasty-hspec;
+
+  # 2026-09-05: containers <0.8
+  # https://github.com/obsidiansystems/dependent-map/issues/59
+  dependent-map = doJailbreak super.dependent-map;
+
+  #
+  # Test suite issues
+  #
+
+  # Fails to compile with GHC 9.14 https://github.com/snoyberg/mono-traversable/pull/261
+  mono-traversable = dontCheck super.mono-traversable;
+  # doctests broke with GHC 9.14, something to do with error messages
+  # https://github.com/kcsongor/generic-lens/issues/174
+  generic-lens = overrideCabal {
+    testTargets = [
+      "generic-lens-bifunctor"
+      "inspection-tests"
+      "generic-lens-syb-tree"
+    ];
+  } super.generic-lens;
 }

pkgs/development/haskell-modules/configuration-ghc-9.4.x.nix

@@ -49,14 +49,21 @@ self: super: {
   unix = null;
   # GHC only bundles the xhtml library if haddock is enabled, check if this is
   # still the case when updating: https://gitlab.haskell.org/ghc/ghc/-/blob/0198841877f6f04269d6050892b98b5c3807ce4c/ghc.mk#L463
-  xhtml = if self.ghc.hasHaddock or true then null else doDistribute self.xhtml_3000_4_0_0;
+  xhtml = if self.ghc.hasHaddock or true then null else doDistribute self.xhtml_3000_4_1_0;
   Win32 = null;
 
   # Becomes a core package in GHC >= 9.8
-  semaphore-compat = doDistribute self.semaphore-compat_1_0_0;
+  semaphore-compat = doDistribute self.semaphore-compat_2_0_1;
 
   # Becomes a core package in GHC >= 9.10
-  os-string = doDistribute self.os-string_2_0_10;
+  os-string = doDistribute self.os-string_2_0_11;
+
+  # Become core packages in GHC >= 9.12
+  haddock-library = doDistribute (doJailbreak self.haddock-library_1_11_0);
+  haddock-api = doDistribute (doJailbreak self.haddock-api_2_27_0);
+
+  # Becomes a core package in GHC >= 9.12, but needs unix >= 2.8
+  file-io = null;
 
   # Become core packages in GHC >= 9.10, no release compatible with GHC < 9.10 is available
   ghc-experimental = null;
@@ -97,9 +104,6 @@ self: super: {
     ++ drv.testFlags or [ ];
   }) (doJailbreak super.hpack);
 
-  # Later versions require unix >= 2.8 which is tricky to provide with GHC 9.4
-  crypton-x509-store = doDistribute self.crypton-x509-store_1_6_11;
-
   # 2022-08-01: Tests are broken on ghc 9.2.4: https://github.com/wz1000/HieDb/issues/46
   hiedb = dontCheck super.hiedb;
 
@@ -138,9 +142,6 @@ self: super: {
   # https://github.com/kowainik/relude/issues/436
   relude = dontCheck super.relude;
 
-  haddock-library = doJailbreak super.haddock-library;
-  path = self.path_0_9_5;
-
   haskell-language-server =
     lib.throwIf pkgs.config.allowAliases
       "haskell-language-server has dropped support for ghc 9.4 in version 2.12.0.0, please use a newer ghc version or an older nixpkgs"
@@ -170,4 +171,5 @@ self: super: {
 
   # Too strict lower bound on base
   primitive-addr = doJailbreak super.primitive-addr;
+  base64 = doJailbreak super.base64;
 }

pkgs/development/haskell-modules/configuration-ghc-9.6.x.nix

@@ -64,10 +64,10 @@ in
   iserv-proxy = addBuildDepend self.libiserv super.iserv-proxy;
 
   # Becomes a core package in GHC >= 9.8
-  semaphore-compat = doDistribute self.semaphore-compat_1_0_0;
+  semaphore-compat = doDistribute self.semaphore-compat_2_0_1;
 
   # Becomes a core package in GHC >= 9.10
-  os-string = doDistribute self.os-string_2_0_10;
+  os-string = doDistribute self.os-string_2_0_11;
 
   # Become core packages in GHC >= 9.10, no release compatible with GHC < 9.10 is available
   ghc-experimental = null;
@@ -76,6 +76,11 @@ in
   ghc-toolchain = null;
   ghc-platform = null;
 
+  # Become core packages in GHC >= 9.12
+  file-io = doDistribute self.file-io_0_2_0;
+  haddock-api = doDistribute (doJailbreak self.haddock-api_2_29_1);
+  haddock-library = doJailbreak (doDistribute self.haddock-library_1_11_0);
+
   # Needs base-orphans for GHC < 9.8 / base < 4.19
   some = addBuildDepend self.base-orphans super.some;
 
@@ -105,9 +110,6 @@ in
   cabal-install-solver = doJailbreak super.cabal-install-solver;
   cabal-install = doJailbreak super.cabal-install;
 
-  # Forbids base >= 4.18, fix proposed: https://github.com/sjakobi/newtype-generics/pull/25
-  newtype-generics = warnAfterVersion "0.6.2" (doJailbreak super.newtype-generics);
-
   # Jailbreaks for servant <0.20
   servant-lucid = doJailbreak super.servant-lucid;
 
@@ -208,13 +210,14 @@ in
   ghc-lib = doDistribute self.ghc-lib_9_8_5_20250214;
   ghc-lib-parser = doDistribute self.ghc-lib-parser_9_8_5_20250214;
   ghc-lib-parser-ex = doDistribute self.ghc-lib-parser-ex_9_8_0_2;
-  haddock-library = doJailbreak super.haddock-library;
   inherit
     (
       let
         hls_overlay = lself: lsuper: {
           Cabal-syntax = lself.Cabal-syntax_3_10_3_0;
           Cabal = lself.Cabal_3_10_3_0;
+          # Test suite can't find executable due to https://github.com/haskell/cabal/issues/11598
+          cabal-add = dontCheck lsuper.cabal-add_0_2;
           extensions = dontCheck (doJailbreak lself.extensions_0_1_0_1);
         };
       in
@@ -227,13 +230,16 @@ in
           self.retrie
           self.floskell
           self.markdown-unlit
+          self.stan
+          self.trial
         ] super.haskell-language-server;
         hls-plugin-api = super.hls-plugin-api;
         hlint = self.hlint_3_8;
         lsp-types = super.lsp-types;
-        ormolu = self.ormolu_0_7_4_0;
+        ormolu = doJailbreak self.ormolu_0_7_4_0;
         retrie = doJailbreak (unmarkBroken super.retrie);
-        stylish-haskell = self.stylish-haskell_0_14_6_0;
+        stan = super.stan;
+        stylish-haskell = doJailbreak self.stylish-haskell_0_14_6_0;
       }
     )
     apply-refact
@@ -246,6 +252,7 @@ in
     lsp-types
     ormolu
     retrie
+    stan
     stylish-haskell
     ;
 }

pkgs/development/haskell-modules/configuration-ghc-9.8.x.nix

@@ -64,7 +64,7 @@ in
   Win32 = null;
 
   # Becomes a core package in GHC >= 9.10
-  os-string = doDistribute self.os-string_2_0_10;
+  os-string = doDistribute self.os-string_2_0_11;
 
   # Become core packages in GHC >= 9.10, no release compatible with GHC < 9.10 is available
   ghc-experimental = null;
@@ -73,6 +73,11 @@ in
   ghc-toolchain = null;
   ghc-platform = null;
 
+  # Become core packages in GHC >= 9.12
+  file-io = doDistribute self.file-io_0_2_0;
+  haddock-api = markBroken self.haddock-api_2_29_1; # no compatible release available
+  haddock-library = doJailbreak (doDistribute self.haddock-library_1_11_0);
+
   #
   # Version upgrades
   #
@@ -106,7 +111,6 @@ in
   # A given major version of ghc-exactprint only supports one version of GHC.
   ghc-exactprint = doDistribute super.ghc-exactprint_1_8_0_0;
 
-  haddock-library = doJailbreak super.haddock-library;
   ghc-lib = doDistribute self.ghc-lib_9_8_5_20250214;
   ghc-lib-parser = doDistribute self.ghc-lib-parser_9_8_5_20250214;
   ghc-lib-parser-ex = doDistribute self.ghc-lib-parser-ex_9_8_0_2;
@@ -116,6 +120,8 @@ in
         hls_overlay = lself: lsuper: {
           Cabal-syntax = lself.Cabal-syntax_3_10_3_0;
           Cabal = lself.Cabal_3_10_3_0;
+          # Test suite can't find executable due to https://github.com/haskell/cabal/issues/11598
+          cabal-add = dontCheck lsuper.cabal-add_0_2;
           extensions = dontCheck (doJailbreak lself.extensions_0_1_0_1);
         };
       in
@@ -128,13 +134,16 @@ in
           self.retrie
           self.floskell
           self.markdown-unlit
+          self.stan
+          self.trial
         ] super.haskell-language-server;
         hls-plugin-api = super.hls-plugin-api;
         hlint = self.hlint_3_8;
         lsp-types = super.lsp-types;
-        ormolu = self.ormolu_0_7_4_0;
+        ormolu = doJailbreak self.ormolu_0_7_4_0;
         retrie = doJailbreak (unmarkBroken super.retrie);
-        stylish-haskell = self.stylish-haskell_0_14_6_0;
+        stan = super.stan;
+        stylish-haskell = doJailbreak self.stylish-haskell_0_14_6_0;
       }
     )
     apply-refact
@@ -147,6 +156,7 @@ in
     lsp-types
     ormolu
     retrie
+    stan
     stylish-haskell
     ;
 }

pkgs/development/haskell-modules/configuration-ghcjs-9.x.nix

@@ -32,8 +32,8 @@ with haskellLib;
   entropy = addBuildDepend self.ghcjs-dom super.entropy;
 
   # https://gitlab.haskell.org/ghc/ghc/-/issues/25083#note_578275
-  patch = haskellLib.disableParallelBuilding super.patch;
-  reflex-dom-core = haskellLib.disableParallelBuilding super.reflex-dom-core;
+  patch = disableParallelBuilding super.patch;
+  reflex-dom-core = disableParallelBuilding super.reflex-dom-core;
 
   # Marked as dontDistribute in -common because of jsaddle-webkit2gtk
   # which requires an unmaintained version of libsoup. Since this dep
@@ -66,5 +66,5 @@ with haskellLib;
   }) super.splitmix;
 
   # See https://gitlab.haskell.org/ghc/ghc/-/issues/26019#note_621324, without this flag the build OOMs
-  SHA = haskellLib.appendConfigureFlag "--ghc-option=-fignore-interface-pragmas" super.SHA;
+  SHA = appendConfigureFlag "--ghc-option=-fignore-interface-pragmas" super.SHA;
 })

pkgs/development/haskell-modules/configuration-hackage2nix/main.yaml

@@ -25,71 +25,55 @@
 # not work.
 # keep-sorted start skip_lines=1 case=no numeric=yes
 default-package-overrides:
-  - chs-cabal == 0.1.1.2 # matches Cabal 3.12 (GHC 9.10)
   - clash-lib-hedgehog < 1.9 # needs to match clash-lib from Stackage
-  # 2026-01-23: dataframe >= 0.3.3.7 uses random-1.3, which breaks dependency coherence on 25.11, whose default version is random-1.2
-  # TODO: when (likely in 25.x) Stackage bumps random to 1.3, review
-  - dataframe == 0.3.3.6
-  # 2025-12-26: Needs to match egison-pattern-src from Stackage LTS
+  # 2025-12-26: Needs to match egison-pattern-src from Stackage
   - egison-pattern-src-th-mode < 0.2.2
-  - extensions == 0.1.0.2 # matches Cabal 3.12 (GHC 9.10)
-  # 2026-01-30: Needs to match hasql from Stackage LTS 24
-  - hasql-notifications < 0.2.5.0
-  # 2026-02-04: as requested by ghcide >= 2.13
-  - hie-bios < 0.18.0
-  - hiedb < 0.8.0
+  # 2026-07-19: ghcide/haskell-debugger don't yet support hie-bios 0.20
+  - hie-bios < 0.20
   # 2025-09-13: hnix 0.17.0 doesn't support hnix-store-core >= 0.8
   # https://github.com/haskell-nix/hnix/pull/1112
+  # Note: When removing this, also remove hnix-store-core from maintainers/scripts/haskell/update-stackage.sh
   - hnix-store-core < 0.7
   - hnix-store-remote < 0.7
   # 2025-08-03: need to match stackage version of hosc
   - hsc3 >= 0.21 && < 0.22
-  # 2026-04-19: needs to match tls and crypton-x509-store from Stackage LTS 24
-  - http2-tls < 0.4.6
   # liquidhaskell-boot 0.9.10.1.2 requires this specific version of liquid-fixpoint
   - liquid-fixpoint == 0.9.6.3.2
   # liquidhaskell(-boot) support one GHC at a time, so we choose the one matching the current GHC (9.10)
   - liquidhaskell == 0.9.10.*
   - liquidhaskell-boot == 0.9.10.*
-  # 2025-03-07: HLS and many other pkgs don't support lsp >= 2.8 (yet)
-  - lsp < 2.8
-  - lsp-test < 0.18
-  - lsp-types < 2.4
-  # Needs to match microlens == 0.4.* in Stackage LTS 24
+  # Needs to match microlens == 0.4.* in Stackage
   - microlens-pro < 0.2.0.4
-  # 2026-04-06: 4.0.10 merely adjusts to dependencies that are incompatible with our LTS
-  - mighttpd2 < 4.0.10
   # We currently use pandoc-crossref with a patch to revert it to pandoc == 3.7.*,
   # this no longer works with later versions.
   - pandoc-crossref == 0.3.21
   # 2025-12-19: Needs to match Stackage version of rhine
   - rhine-bayes < 1.6
-  # 2026-02-08: compatibility with crypton-x509* in Stackage LTS 24
-  - x509-ocsp < 0.4.1.0
 # keep-sorted end
 
 # keep-sorted start skip_lines=1 case=no numeric=yes
 extra-packages:
-  - ansi-wl-pprint >= 0.6 && < 0.7      # 2025-07-07: used by gren <= 0.5.4
-  - attoparsec == 0.13.*                # 2022-02-23: Needed to compile elm for now
   - Cabal == 3.10.*
   - Cabal == 3.12.*
   - Cabal == 3.14.*
   - Cabal == 3.16.*                     # version required for cabal-install and other packages
-  - cabal-add == 0.1                    # 2025-09-09: Only needed for hls 2.11 can be removed once we are past it.
+  - cabal-add < 0.2.1                   # 2026-09-05: required for HLS with GHC <= 9.8
+  - cabal-install == 3.14.*             # 2026-07-26: required to match Cabal used when building HLS
+  - cabal-install == 3.16.*             # 2026-09-05: required to match Cabal used when building HLS
+  - cabal-install-solver == 3.14.*      # 2026-07-26: required to build cabal-install 3.14
+  - cabal-install-solver == 3.16.*      # 2026-09-05: required to build cabal-install 3.16
+  - Cabal-syntax == 3.6.*               # required for the GHC 9.0.2 package set
   - Cabal-syntax == 3.10.*
   - Cabal-syntax == 3.12.*
   - Cabal-syntax == 3.14.*
   - Cabal-syntax == 3.16.*              # version required for cabal-install and other packages
-  - crypton-x509-store < 1.6.12         # 2025-11-22: requires unix >= 2.8 which isn't available for GHC < 9.6
   - extensions == 0.1.0.1               # 2025-09-21: needed for Cabal 3.10 (fourmolo/ormolu with ghc 9.8)
-  - fourmolu == 0.14.0.0                # 2023-11-13: for ghc-lib-parser 9.6 compat
   - fourmolu == 0.15.0.0                # 2025-09-21: for ghc-lib-parser 9.8 compat
   - fuzzyset == 0.2.4                   # 2023-12-20: Needed for building postgrest > 10
   - ghc-exactprint == 1.6.*             # 2023-03-30: needed for GHC == 9.4
   - ghc-exactprint == 1.7.*             # 2025-03-09: needed for GHC == 9.6
   - ghc-exactprint == 1.8.*             # 2024-05-20: needed for GHC == 9.8
-  - ghc-exactprint == 1.9.*             # 2024-08-27: needed for GHC == 9.10
+  - ghc-exactprint == 1.10.*            # 2024-08-27: needed for GHC == 9.10
   - ghc-exactprint == 1.12.*            # 2025-10-15: needed for GHC == 9.12
   - ghc-lib == 9.6.*                    # 2022-02-17: preserve for GHC 9.4
   - ghc-lib == 9.8.*                    # 2025-12-11: preserve for GHC 9.6, 9.8
@@ -100,33 +84,29 @@ extra-packages:
   - ghc-lib-parser-ex == 9.8.*         # 2024-12-26: preserve for GHC 9.6, 9.8
   - ghc-tags == 1.7.*                   # 2023-02-18: preserve for ghc-lib == 9.6.*
   - ghc-tags == 1.8.*                   # 2023-02-18: preserve for ghc-lib == 9.8.*
-  - ghc-typelits-natnormalise < 0.8     # 2025-09-15: Stackage is stuck at 0.7.10
+  - haddock-api == 2.27.*               # 2026-05-22: latest version compatible with GHC 9.4
   - happy == 1.20.*                     # for ghc-lib-parser == 9.6.*
   - hashable < 1.5                      # 2025-07-30: hashable >= 1.5 requires GHC >= 9.6
-  - hasql < 1.7                         # 2025-01-19: Needed for building postgrest
-  - hasql-dynamic-statements < 0.3.1.6  # 2025-01-19: Needed for building postgrest
-  - hasql-implicits < 0.2               # 2025-01-19: Needed for building postgrest
-  - hasql-notifications < 0.2.3         # 2025-01-19: Needed for building postgrest
-  - hasql-pool < 1.1                    # 2025-01-19: Needed for building postgrest
-  - hasql-transaction < 1.1.1           # 2025-01-19: Needed for building postgrest
+  - hasql == 1.9.3.1                    # 2026-09-05: Needed for building postgrest
+  - hasql-dynamic-statements == 0.3.1.8 # 2026-09-05: Needed for building postgrest
+  - hasql-implicits == 0.2.0.1          # 2026-09-05: Needed for building postgrest
+  - hasql-notifications == 0.2.4.0      # 2026-09-05: Needed for building postgrest
+  - hasql-pool == 1.3.0.4               # 2026-09-05: Needed for building postgrest
+  - hasql-transaction == 1.2.1          # 2026-09-05: Needed for building postgrest
   - hlint == 3.6.*                      # 2025-04-14: needed for hls with ghc-lib-parser 9.6
   - hlint == 3.8.*                      # 2025-09-21: needed for hls with ghc-lib-parser 9.8
-  - hpack == 0.39.1                     # 2026-03-15: to match upstream stack-3.9.3
+  - insert-ordered-containers < 0.3     # 2026-05-25: Needed for building postgrest
   - language-javascript == 0.7.0.0      # required by purescript
-  - network-run == 0.4.0                # 2024-10-20: for GHC 9.10/network == 3.1.*
-  - ormolu == 0.7.2.0                   # 2023-11-13: for ghc-lib-parser 9.6 compat
   - ormolu == 0.7.4.0                   # 2023-09-21: for ghc-lib-parser 9.8 compat
-  - path == 0.9.5                       # 2025-09-21: Pin for hls on ghc 9.4
-  - postgresql-binary < 0.14            # 2025-01-19: Needed for building postgrest
-  - shake-cabal < 0.2.2.3               # 2023-07-01: last version to support Cabal 3.6.*
-  - ShellCheck == 0.9.0                 # 2024-03-21: pinned by haskell-ci
+  - postgresql-binary < 0.15            # 2026-09-05: Needed for building postgrest
+  - semaphore-compat == 1.0.*           # 2026-07-26: required to build cabal-install 3.14
+  - ShellCheck == 0.10.0                # 2026-05-30: pinned by haskell-ci
   - simple-get-opt < 0.5                # 2025-05-01: for crux-0.7.2
-  - stylish-haskell == 0.14.5.0         # 2025-04-14: needed for hls with ghc-lib 9.6
   - stylish-haskell == 0.14.6.0         # 2025-09-21: needed for hls with ghc-lib 9.8
   - stylish-haskell == 0.15.0.1         # 2025-04-14: needed for hls with ghc-lib 9.10
+  - swagger2 < 2.9                      # 2026-05-25: Needed for building postgrest
   - tar == 0.6.3.0                      # 2025-08-17: last version to not require file-io and directory-ospath-streaming (for GHC < 9.6)
-  - text-builder < 1                    # 2025-08-27: Needed for building postgrest
-  - text-builder-dev < 0.4              # 2025-08-27: Needed for building postgrest
+  - validation == 1.1.5                 # 2026-06-10: Needed for building geojson 4.1
 # keep-sorted end
 
 # keep-sorted start skip_lines=1 case=no
@@ -141,11 +121,14 @@ package-maintainers:
     - basic-sop
     - commutative-semigroups
     - generics-sop
+    - ghcide
     - ghcjs-base
     - ghcjs-dom
     - ghcjs-dom-javascript
     - ghcjs-dom-jsaddle
     - haskell-debugger
+    - hie-bios
+    - hiedb
     - jsaddle
     - jsaddle-clib
     - jsaddle-dom
@@ -156,6 +139,9 @@ package-maintainers:
     - large-records
     - lens-sop
     - linux-namespaces
+    - lsp
+    - lsp-test
+    - lsp-types
     - monoidal-containers
     - proto-lens-arbitrary
     - proto3-suite
@@ -165,10 +151,6 @@ package-maintainers:
     - universe
     - universe-some
     - warp
-  Anton-Latukha:
-    - hnix
-    - hnix-store-core
-    - hnix-store-remote
   artem:
     - BNFC-meta
     - alex-meta
@@ -180,8 +162,6 @@ package-maintainers:
     - smtlib-backends-process
     - smtlib-backends-tests
     - vector-hashtables
-  arturcygan:
-    - hevm
   athas:
     - futhark
   auscyber:
@@ -193,19 +173,9 @@ package-maintainers:
     - arch-web
     - uusi
   cdepillabout:
-    - cloudy
-    - password
-    - password-instances
-    - pretty-simple
-    - stack
     - termonad
   centromere:
     - nfc
-  dalpd:
-    - dhall-lsp-server
-    - ghc-vis
-    - patat
-    - svgcairo
   danielrolls:
     - aws-spend-summary
     - byte-count-reader
@@ -224,64 +194,18 @@ package-maintainers:
     - elynx-seq
     - elynx-tools
     - elynx-tree
-    - glasso
     - mcmc
     - pava
     - slynx
     - tlynx
-    - xmonad
-    - xmonad-contrib
   erictapen:
     - hakyll
-  Gabriella439:
-    - annah
-    - bench
-    - break
-    - dhall-bash
-    - dhall-docs
-    - dhall-json
-    - dhall-lsp-server
-    - dhall-nix
-    - dhall-nixpkgs
-    - dhall-openapi
-    - dhall-text
-    - dhall-yaml
-    - dhall
-    - dirstream
-    - errors
-    - foldl
-    - index-core
-    - lens-tutorial
-    - list-transformer
-    - managed
-    - mmorph
-    - morte
-    - mvc-updates
-    - mvc
-    - nix-derivation
-    - nix-diff
-    - optional-args
-    - optparse-generic
-    - pipes-bytestring
-    - pipes-concurrency
-    - pipes-csv
-    - pipes-extras
-    - pipes-group
-    - pipes-http
-    - pipes-parse
-    - pipes-safe
-    - pipes
-    - server-generic
-    - total
-    - turtle
-    - typed-spreadsheet
   gridaphobe:
     - located-base
   iblech:
     - Agda
-  ivanbrennan:
-    - xmonad
-    - xmonad-contrib
+  ilkecan:
+    - enummapset
   jb55:
     # - bson-lens
     - cased
@@ -377,32 +301,9 @@ package-maintainers:
     - Agda
     - agda2hs
     - irc-client
-    - lambdabot
     - shake
-  nomeata:
-    - cabal-plan-bounds
-    - lhs2tex
-    - rec-def
-    - tasty-expected-failure
-  peti:
-    - cabal2spec
-    - funcmp
-    - git-annex
-    - hledger-interest
-    - hopenssl
-    - hsdns
-    - hsemail
-    - hsyslog
-    - logging-facade-syslog
-    - nix-paths
-    - structured-haskell-mode
-    - titlecase
-    - xmonad
-    - xmonad-contrib
   phijor:
     - cornelis
-  poscat:
-    - hinit
   psibi:
     - path-pieces
     - persistent
@@ -656,7 +557,6 @@ package-maintainers:
     - finite-typelits
     - has-transformers
     - monad-bayes
-    - monad-schedule
     - pulse-simple
     - openapi3-code-generator
     - rhine

pkgs/development/haskell-modules/configuration-hackage2nix/transitive-broken.yaml

@@ -5,7 +5,6 @@
 dont-distribute-packages:
 
  - 4Blocks
- - a-piece-of-flake
  - a50
  - abcBridge
  - AbortT-monadstf
@@ -40,14 +39,11 @@ dont-distribute-packages:
  - afv
  - agda-server
  - agda-snippets-hakyll
- - age
  - agentx
  - aip
  - alg
  - algebra-checkers
- - algebra-driven-design
  - algebra-sql
- - algebraic-graph-duoids
  - algolia
  - AlgoRhythm
  - algorithmic-composition-additional
@@ -136,6 +132,8 @@ dont-distribute-packages:
  - ast-monad-json
  - astview
  - async-ajax
+ - atelier-db
+ - atelier-testing
  - aterm-utils
  - atlassian-connect-core
  - atmos-dimensional-tf
@@ -145,7 +143,6 @@ dont-distribute-packages:
  - attenuation-profunctors
  - AttoJson
  - attoparsec-enumerator
- - attoparsec-isotropic
  - attoparsec-iteratee
  - attoparsec-text-enumerator
  - atuin
@@ -189,6 +186,13 @@ dont-distribute-packages:
  - babylon
  - backblaze-b2-hs
  - backdropper
+ - baikai
+ - baikai-agent
+ - baikai-claude
+ - baikai-effectful
+ - baikai-kit
+ - baikai-openai
+ - baikai-trace-otel
  - balkon
  - ballast
  - bamboo
@@ -213,11 +217,11 @@ dont-distribute-packages:
  - battleships
  - bayes-stack
  - bbi
+ - bcp47-orphans
  - bdcs
  - bdcs-api
  - beam-th
  - beautifHOL
- - bech32-th
  - bein
  - belka
  - BerlekampAlgorithm
@@ -374,7 +378,6 @@ dont-distribute-packages:
  - captcha-core
  - car-pool
  - carboncopy
- - cardano-addresses
  - CarneadesIntoDung
  - cartel
  - cas-hashable-s3
@@ -420,7 +423,6 @@ dont-distribute-packages:
  - chart-svg-various
  - chart-unit
  - chassis
- - chatty
  - cheapskate-highlight
  - cheapskate-terminal
  - check-pvp
@@ -448,6 +450,16 @@ dont-distribute-packages:
  - claferIG
  - claferwiki
  - clash
+ - clash-ghc
+ - clash-lib
+ - clash-lib-hedgehog
+ - clash-prelude
+ - clash-prelude-hedgehog
+ - clash-protocols
+ - clash-protocols-base
+ - clash-shake
+ - clash-shockwaves
+ - clash-vexriscv
  - classify-frog
  - classy-effects
  - classy-effects-th
@@ -619,7 +631,6 @@ dont-distribute-packages:
  - cryptocipher
  - cryptoids
  - cryptoids-class
- - cryptol
  - cryptonite-cd
  - crystalfontz
  - CSPM-cspm
@@ -627,7 +638,6 @@ dont-distribute-packages:
  - CSPM-Interpreter
  - CSPM-ToProlog
  - cspmchecker
- - css-class-bindings
  - csv-enumerator
  - ctpl
  - cube
@@ -639,6 +649,7 @@ dont-distribute-packages:
  - dahdit-network
  - dahdit-test
  - daino
+ - danecheck
  - Dangerous
  - dapi
  - darcs-benchmark
@@ -649,7 +660,6 @@ dont-distribute-packages:
  - darcswatch
  - darkplaces-demo
  - darkplaces-rcon-util
- - dash-haskell
  - data-basic
  - data-cycle
  - data-default-extra
@@ -673,17 +683,10 @@ dont-distribute-packages:
  - dbus-client
  - ddate
  - ddc-build
- - ddc-core
- - ddc-core-babel
  - ddc-core-eval
  - ddc-core-flow
- - ddc-core-llvm
- - ddc-core-salt
- - ddc-core-simpl
- - ddc-core-tetra
  - ddc-driver
  - ddc-interface
- - ddc-source-tetra
  - ddc-tools
  - ddc-war
  - ddci-core
@@ -700,7 +703,6 @@ dont-distribute-packages:
  - definitive-parser
  - definitive-reactive
  - definitive-sound
- - defun
  - deka-tests
  - delicious
  - delimited-text
@@ -725,7 +727,6 @@ dont-distribute-packages:
  - dewdrop
  - dfinity-radix-tree
  - dhall-lex
- - dhall-secret
  - dhscanner-kbapi
  - dhscanner-kbgen
  - dia-functions
@@ -762,6 +763,7 @@ dont-distribute-packages:
  - DMuCheck
  - DnaProteinAlignment
  - dnf-repo
+ - dnsbase
  - dobutokO-poetry
  - dobutokO-poetry-general
  - dobutokO-poetry-general-languages
@@ -795,8 +797,6 @@ dont-distribute-packages:
  - dsmc-tools
  - DSTM
  - dtd
- - duoidal-transformers
- - duoids-hedgehog
  - Dust
  - Dust-crypto
  - Dust-tools
@@ -821,6 +821,7 @@ dont-distribute-packages:
  - EditTimeReport
  - effect-monad
  - effective-aspects-mzv
+ - eigen-hhlo
  - ekg-carbon
  - elasticsearch-interchange
  - electrs-client
@@ -853,6 +854,9 @@ dont-distribute-packages:
  - ersatz-viz
  - esotericbot
  - EsounD
+ - esqueleto
+ - esqueleto-compat
+ - esqueleto-postgis
  - esqueleto-streaming
  - estreps
  - Etage-Graph
@@ -880,6 +884,9 @@ dont-distribute-packages:
  - eventium-memory
  - eventium-postgresql
  - eventium-sqlite
+ - eventlog-live
+ - eventlog-live-influxdb
+ - eventlog-live-otelcol
  - EventSocket
  - eventsource-geteventstore-store
  - eventsource-store-specs
@@ -912,7 +919,6 @@ dont-distribute-packages:
  - fallingblocks
  - family-tree
  - fast-arithmetic
- - fast-bech32
  - fastcdc
  - fastirc
  - fault-tree
@@ -933,7 +939,6 @@ dont-distribute-packages:
  - feature-flipper-postgres
  - fedora-composes
  - fedora-img-dl
- - feed-gipeda
  - feed-translator
  - feed2lj
  - feed2twitter
@@ -988,10 +993,8 @@ dont-distribute-packages:
  - fluid-idl-scotty
  - FM-SBLEX
  - fmt-for-rio
- - fnotation
  - foldl-transduce-attoparsec
  - follower
- - fontwhich
  - foo
  - Forestry
  - FormalGrammars
@@ -1094,7 +1097,6 @@ dont-distribute-packages:
  - GenussFold
  - geodetic
  - geolite-csv
- - geomancy-layout
  - getemx
  - ghc-dump-util
  - ghc-imported-from
@@ -1243,8 +1245,6 @@ dont-distribute-packages:
  - guarded-rewriting
  - GuiHaskell
  - GuiTV
- - h3spec
- - haal-models
  - habit
  - hablo
  - Hach
@@ -1265,7 +1265,6 @@ dont-distribute-packages:
  - hackage2twitter
  - hackmanager
  - haddock
- - haddocset
  - hadoop-tools
  - haggis
  - hails-bin
@@ -1329,7 +1328,6 @@ dont-distribute-packages:
  - haskell-aliyun
  - haskell-bitmex-client
  - haskell-debugger
- - haskell-docs
  - haskell-eigen-util
  - haskell-ftp
  - haskell-lsp
@@ -1384,6 +1382,7 @@ dont-distribute-packages:
  - haskoin-crypto
  - haskoin-protocol
  - haskoin-script
+ - haskoin-wallet
  - haskoon
  - haskoon-httpspec
  - haskoon-salvia
@@ -1402,7 +1401,6 @@ dont-distribute-packages:
  - hasloGUI
  - hasql-postgres
  - hasql-postgres-options
- - hasql-postgresql-types
  - hasql-queue
  - hasql-streams-core
  - hasql-streams-example
@@ -1423,6 +1421,7 @@ dont-distribute-packages:
  - Hayoo
  - hback
  - hbayes
+ - hbayesian
  - hbb
  - hbf
  - hbro
@@ -1438,7 +1437,6 @@ dont-distribute-packages:
  - hdbi-tests
  - hdiff
  - hdirect
- - hdocs
  - hdph
  - heart-app
  - heatitup
@@ -1550,9 +1548,8 @@ dont-distribute-packages:
  - hmeap
  - hmeap-utils
  - hmep
- - HMock
- - hMPC
  - hmt-diagrams
+ - hnix-store-db
  - HNM
  - hnormalise
  - hob
@@ -1580,7 +1577,6 @@ dont-distribute-packages:
  - hoppy-docs
  - hoppy-runtime
  - hoppy-std
- - horde-ad
  - hotswap
  - hp2any-graph
  - hp2any-manager
@@ -1657,6 +1653,7 @@ dont-distribute-packages:
  - hspec-pg-transact
  - hspec-setup
  - hspec-shouldbe
+ - hspec-webdriver
  - hspecVariant
  - hsprocess
  - hsql-mysql
@@ -1667,6 +1664,7 @@ dont-distribute-packages:
  - hsqml-demo-morris
  - hsqml-morris
  - hsreadability
+ - hsrs
  - hssourceinfo
  - hssqlppp-th
  - hstar
@@ -1690,9 +1688,9 @@ dont-distribute-packages:
  - http-response-decoder
  - http-tower-hs
  - http2-client-grpc
+ - http2-client-grpc-effectful
  - http2-grpc-proto-lens
  - http2-grpc-proto3-wire
- - http3
  - https-everywhere-rules
  - https-everywhere-rules-raw
  - httpspec
@@ -1748,6 +1746,7 @@ dont-distribute-packages:
  - hylotab
  - hyloutils
  - hyperbole
+ - hyperbole-oauth2
  - hyperpublic
  - ide-backend
  - ide-backend-server
@@ -1775,6 +1774,7 @@ dont-distribute-packages:
  - importify
  - imprevu-happstack
  - improve
+ - imsos-monad
  - INblobs
  - inch
  - incremental-computing
@@ -1811,6 +1811,7 @@ dont-distribute-packages:
  - IORefCAS
  - ipatch
  - ipc
+ - ipedb
  - ipld-cid
  - ipprint
  - iptadmin
@@ -1909,6 +1910,7 @@ dont-distribute-packages:
  - kansas-lava-shake
  - karakuri
  - katip-rollbar
+ - kb-text-layout
  - keelung
  - keera-hails-mvc-environment-gtk
  - keera-hails-mvc-model-lightmodel
@@ -1930,11 +1932,17 @@ dont-distribute-packages:
  - keid-geometry
  - keid-resource-gltf
  - keid-sound-openal
+ - keiro
+ - keiro-core
+ - keiro-dsl
+ - keiro-migrations
+ - keiro-ops
+ - keiro-pgmq
+ - keiro-test-support
  - kerry
  - kevin
  - key-vault
  - keyring
- - keystore
  - keyvaluehash
  - keyword-args
  - kicad-data
@@ -1942,6 +1950,11 @@ dont-distribute-packages:
  - KiCS-debugger
  - KiCS-prophecy
  - kif-parser
+ - kioku-cli
+ - kioku-core
+ - kioku-migrate
+ - kioku-migrations
+ - kiroku-store-migrations
  - kit
  - kmeans-par
  - kmeans-vector
@@ -2007,7 +2020,6 @@ dont-distribute-packages:
  - layered-state
  - layouting
  - lazy-hash-cache
- - lazy-scope
  - lda
  - ldap-scim-bridge
  - ldapply
@@ -2159,6 +2171,7 @@ dont-distribute-packages:
  - manifold-random
  - Map
  - marionetta
+ - marionette-effectful
  - markdown-pap
  - markdown2svg
  - markov-processes
@@ -2168,7 +2181,6 @@ dont-distribute-packages:
  - marvin
  - marxup
  - masakazu-bot
- - massiv-persist
  - matchers
  - math-programming-glpk
  - math-programming-tests
@@ -2197,8 +2209,6 @@ dont-distribute-packages:
  - meta-par-accelerate
  - MetaObject
  - metaplug
- - metar
- - metar-http
  - Metrics
  - metro
  - metro-socket
@@ -2207,7 +2217,6 @@ dont-distribute-packages:
  - metro-transport-xor
  - metronome
  - MFlow
- - mfmts
  - Mhailist
  - Michelangelo
  - micro-gateway
@@ -2390,7 +2399,6 @@ dont-distribute-packages:
  - network-rpca
  - network-stream
  - network-topic-models
- - network-transport-quic
  - network-websocket
  - neuron
  - newsletter-mailgun
@@ -2417,6 +2425,7 @@ dont-distribute-packages:
  - nonlinear-optimization-ad
  - nonlinear-optimization-backprop
  - NoSlow
+ - nostr
  - not-gloss
  - not-gloss-examples
  - notmuch-web
@@ -2462,6 +2471,7 @@ dont-distribute-packages:
  - ogma-language-fret-cs
  - ogma-language-fret-reqs
  - ois-input-manager
+ - okf-cli
  - olwrapper
  - om-kubernetes
  - online-csv
@@ -2477,8 +2487,6 @@ dont-distribute-packages:
  - openssh-github-keys
  - opentelemetry-lightstep
  - opentok
- - opentracing-jaeger
- - opentracing-zipkin-v1
  - OpenVG
  - optimal-blocks
  - optimusprime
@@ -2521,7 +2529,6 @@ dont-distribute-packages:
  - parco-attoparsec
  - parco-parsec
  - parconc-examples
- - parquet-haskell
  - parquet-hs
  - parse-help
  - parsestar
@@ -2561,16 +2568,20 @@ dont-distribute-packages:
  - persistent-hssqlppp
  - persistent-iproute
  - persistent-map
+ - persistent-pagination
+ - persistent-postgresql
  - persistent-protobuf
+ - persistent-sql-lifted
+ - persistent-typed-db
  - persona-idp
  - peyotls
  - peyotls-codec
  - pg-entity
+ - pg-migrate-test-support
  - pgmq-config
  - pgmq-effectful
  - pgmq-hasql
  - pgmq-migration
- - phatsort
  - phladiprelio-general-shared
  - phladiprelio-general-simple
  - phladiprelio-ukrainian-shared
@@ -2619,18 +2630,6 @@ dont-distribute-packages:
  - Plot-ho-matic
  - PlslTools
  - plugins-auto
- - pms-application-service
- - pms-domain-service
- - pms-infra-cmdrun
- - pms-infra-filesystem
- - pms-infra-procspawn
- - pms-infra-serial
- - pms-infra-socket
- - pms-infra-watch
- - pms-infrastructure
- - pms-ui-notification
- - pms-ui-request
- - pms-ui-response
  - png-file
  - pngload
  - pointless-lenses
@@ -2672,6 +2671,7 @@ dont-distribute-packages:
  - poseidon
  - poseidon-postgis
  - postgresql-common-persistent
+ - postgresql-migration-persistent
  - postgresql-pure
  - postgresql-simple-ltree
  - postgresql-simple-queue
@@ -2739,7 +2739,6 @@ dont-distribute-packages:
  - psql
  - ptera
  - ptera-th
- - pty-mcp-server
  - publicsuffixlist
  - puffytools
  - Pugs
@@ -2776,8 +2775,6 @@ dont-distribute-packages:
  - queryparser-presto
  - queryparser-vertica
  - queuelike
- - quic-simple
- - quick-process
  - quickcheck-poly
  - quickcheck-regex
  - quickcheck-relaxng
@@ -2883,6 +2880,8 @@ dont-distribute-packages:
  - reheat
  - rel8
  - relative-date
+ - relay-pagination-conformance
+ - relay-pagination-hasql
  - remote-json
  - remote-json-client
  - remote-json-server
@@ -2961,7 +2960,6 @@ dont-distribute-packages:
  - rose-trie
  - roshask
  - rosmsg-bin
- - rounded
  - roundtrip-xml
  - route-generator
  - route-planning
@@ -3053,6 +3051,7 @@ dont-distribute-packages:
  - secret-sharing
  - secrm
  - sednaDBXML
+ - seihou-cli
  - seitz-symbol
  - SelectSequencesFromMSA
  - selenium-server
@@ -3095,7 +3094,6 @@ dont-distribute-packages:
  - servant-rate-limit
  - servant-reason
  - servant-routes-golden
- - servant-serialization
  - servant-server-namedargs
  - servant-snap
  - servant-streaming-client
@@ -3133,7 +3131,20 @@ dont-distribute-packages:
  - shibuya-kafka-adapter
  - shibuya-metrics
  - shibuya-pgmq-adapter
+ - shikumi
+ - shikumi-cache
+ - shikumi-cache-postgres
+ - shikumi-cache-redis
+ - shikumi-compile
+ - shikumi-eval
+ - shikumi-okf
+ - shikumi-optimize
+ - shikumi-tools
+ - shikumi-trace
+ - shikumi-trace-otel
  - shine-varying
+ - shomei-migrations
+ - shomei-postgres
  - short-vec
  - short-vec-lens
  - ShortestPathProblems
@@ -3156,7 +3167,6 @@ dont-distribute-packages:
  - sibe
  - sigma-ij
  - signals
- - signify-hs
  - silvi
  - simgi
  - simple-c-value
@@ -3296,7 +3306,6 @@ dont-distribute-packages:
  - statistics-dirichlet
  - statsd-client
  - statsdi
- - steeloverseer
  - stern-brocot
  - STLinkUSB
  - stm-sbchan
@@ -3356,6 +3365,9 @@ dont-distribute-packages:
  - syb-with-class-instances-text
  - SybWidget
  - sydtest-amqp
+ - sydtest-mutation-plugin
+ - sydtest-sqitch-postgres
+ - sydtest-sqitch-postgres-persistent
  - sydtest-webdriver-screenshot
  - sydtest-webdriver-yesod
  - sylvia
@@ -3481,7 +3493,7 @@ dont-distribute-packages:
  - toxcore-c
  - toysolver
  - tpb
- - trace-embrace
+ - tpdb
  - tracing-control
  - trajectory
  - trans-fx-data
@@ -3511,7 +3523,6 @@ dont-distribute-packages:
  - trurl
  - tsession-happstack
  - tsweb
- - tui-launcher
  - tuntap-simple
  - tup-functor
  - tuple-gen
@@ -3655,7 +3666,6 @@ dont-distribute-packages:
  - vocoder-dunai
  - voicebase
  - vorbiscomment
- - vpn-router
  - vty-ui-extras
  - waargonaut
  - wahsp
@@ -3676,7 +3686,7 @@ dont-distribute-packages:
  - wai-thrift
  - waldo
  - warp-grpc
- - warp-quic
+ - warp-s2n-tls
  - warped
  - warpZ-tls
  - WashNGo
@@ -3695,7 +3705,9 @@ dont-distribute-packages:
  - WebBits-multiplate
  - WebCont
  - webcrank-wai
+ - webdriver
  - webdriver-w3c
+ - webdriver-wrapper
  - webify
  - webserver
  - websnap
@@ -3805,7 +3817,6 @@ dont-distribute-packages:
  - ycextra
  - yeamer
  - yeshql
- - yesod-alerts
  - yesod-articles
  - yesod-auth-ldap
  - yesod-auth-lti13

pkgs/development/haskell-modules/configuration-microhs.nix

@@ -38,6 +38,7 @@ self: super: {
   Cabal-syntax = doDistribute self.Cabal-syntax_3_16_1_0;
   containers = doDistribute self.containers_0_8;
   exceptions = doDistribute self.exceptions_0_10_12;
+  file-io = markBroken self.file-io_0_2_0;
   filepath = doDistribute self.filepath_1_5_5_0;
   ghc-bignum = null;
   ghc-boot = null;
@@ -49,12 +50,14 @@ self: super: {
   ghc-platform = null;
   ghc-prim = null;
   ghci = null;
-  haskeline = doDistribute self.haskeline_0_8_4_1;
+  haddock-api = markBroken self.haddock-api_2_29_1; # depends on ghc
+  haddock-library = markBroken self.haddock-library_1_11_0; # depends on ghc
+  haskeline = doDistribute self.haskeline_0_8_5_0;
   hpc = markBroken self.hpc_0_7_0_2;
   integer-gmp = markBroken self.integer-gmp_1_1;
   libiserv = null;
   mtl = doDistribute self.mtl_2_3_2;
-  os-string = doDistribute self.os-string_2_0_10;
+  os-string = doDistribute self.os-string_2_0_11;
   parsec = doDistribute self.parsec_3_1_18_0;
   pretty = markBroken self.pretty_1_1_3_6;
   rts = null;
@@ -63,10 +66,10 @@ self: super: {
   system-cxx-std-lib = null;
   template-haskell = null;
   terminfo = doDistribute self.terminfo_0_4_1_7;
-  time = doDistribute self.time_1_15;
+  time = doDistribute self.time_1_16_0_1;
   transformers = doDistribute self.transformers_0_6_3_0;
   unix = markBroken self.unix_2_8_8_0;
-  xhtml = markBroken self.xhtml_3000_4_0_0;
+  xhtml = markBroken self.xhtml_3000_4_1_0;
 
   # MicroHs replacements for widely used libraries
   array = self.array-mhs;

pkgs/development/haskell-modules/configuration-nix.nix

@@ -130,6 +130,10 @@ builtins.intersectAttrs super {
   # Tests access homeless-shelter.
   hie-bios = dontCheck super.hie-bios;
 
+  # The test suite depends on an impure cabal-install installation in
+  # $HOME, which we don't have in our build sandbox.
+  cabal-install-parsers = dontCheck super.cabal-install-parsers;
+
   ###########################################
   ### END HASKELL-LANGUAGE-SERVER SECTION ###
   ###########################################
@@ -624,17 +628,6 @@ builtins.intersectAttrs super {
     '';
   }) super.cryptol;
 
-  # Some test cases require network access
-  hpack_0_39_1 = doDistribute (
-    overrideCabal (drv: {
-      testFlags = drv.testFlags or [ ] ++ [
-        "--skip=/EndToEnd/hpack/defaults/fails if defaults don't exist/"
-        "--skip=/Hpack.Defaults/ensureFile/downloads file if missing/"
-        "--skip=/Hpack.Defaults/ensureFile/with 404/does not create any files/"
-      ];
-    }) super.hpack_0_39_1
-  );
-
   # Tries accessing the GitHub API
   github-app-token = dontCheck super.github-app-token;
 
@@ -780,9 +773,13 @@ builtins.intersectAttrs super {
   # Wants to check against a real DB, Needs freetds
   odbc = dontCheck (addExtraLibraries [ pkgs.freetds ] super.odbc);
 
-  # Tests attempt to use npm to install from the network into
-  # /homeless-shelter. Disabled.
-  purescript = dontCheck super.purescript;
+  purescript = lib.pipe super.purescript [
+    # Tests attempt to use npm to install from the network into
+    # /homeless-shelter. Disabled.
+    dontCheck
+    # Generate shell completions
+    (self.generateOptparseApplicativeCompletions [ "purs" ])
+  ];
 
   # Hardcoded include path
   poppler = overrideCabal (drv: {
@@ -1015,6 +1012,11 @@ builtins.intersectAttrs super {
   # https://github.com/plow-technologies/servant-streaming/issues/12
   servant-streaming-server = dontCheck super.servant-streaming-server;
 
+  # testsuite (namely Tasty tests) uses built package as a GHC plugin
+  # which does not work on Nix
+  # since the path hasn't been established yet
+  ghc-typelits-extra = dontCheck super.ghc-typelits-extra;
+
   reanimate = overrideCabal (drv: {
     buildTools = (drv.buildTools or [ ]) ++ [
       # needed for testsuite
@@ -1083,6 +1085,9 @@ builtins.intersectAttrs super {
   # Break dependency cycle between hedgehog, tasty-hedgehog and lifted-async
   lifted-async = dontCheck super.lifted-async;
 
+  # Break infinite recursion yesod-test → yesod-form → yesod-test
+  yesod-test = dontCheck super.yesod-test;
+
   # loc and loc-test depend on each other for testing. Break that infinite cycle:
   loc-test = super.loc-test.override { loc = dontCheck self.loc; };
 
@@ -1135,13 +1140,6 @@ builtins.intersectAttrs super {
     ];
   }) super.lsp-test;
 
-  lsp_2_8_0_0 = doDistribute (
-    super.lsp_2_8_0_0.override {
-      lsp-types = self.lsp-types_2_4_0_0;
-    }
-  );
-  lsp-types_2_4_0_0 = doDistribute super.lsp-types_2_4_0_0;
-
   # the test suite attempts to run the binaries built in this package
   # through $PATH but they aren't in $PATH
   dhall-lsp-server = dontCheck super.dhall-lsp-server;
@@ -1282,6 +1280,8 @@ builtins.intersectAttrs super {
           ln -sf git-annex git-remote-tor-annex
           PATH+=":$PWD"
 
+          checkFlagsArray+=("-J$NIX_BUILD_CORES")
+
           echo checkFlags: $checkFlags ''${checkFlagsArray:+"''${checkFlagsArray[@]}"}
 
           # Doesn't use Cabal's test mechanism
@@ -1667,6 +1667,15 @@ builtins.intersectAttrs super {
     (disableCabalFlag "icu")
   ];
 
+  # Tests spawn ghc with -fplugin and need this package's in-place package db.
+  # The trailing colon keeps GHC's default package db in the package path.
+  # https://hydra.nixos.org/build/329190094
+  ghc-typelits-natnormalise = overrideCabal (drv: {
+    preCheck = (drv.preCheck or "") + ''
+      export NIX_GHC_PACKAGE_PATH_FOR_TEST=$PWD/dist/package.conf.inplace/:$packageConfDir:
+    '';
+  }) super.ghc-typelits-natnormalise;
+
   # based on https://github.com/gibiansky/IHaskell/blob/aafeabef786154d81ab7d9d1882bbcd06fc8c6c4/release.nix
   ihaskell = overrideCabal (drv: {
     # ihaskell's cabal file forces building a shared executable, which we need
@@ -1847,9 +1856,11 @@ builtins.intersectAttrs super {
     enableSeparateBinOutput super.cachix
   );
 
-  hercules-ci-agent = super.hercules-ci-agent.override {
-    nix = self.hercules-ci-cnix-store.passthru.nixPackage;
-  };
+  hercules-ci-agent = self.generateOptparseApplicativeCompletions [ "hercules-ci-agent" ] (
+    super.hercules-ci-agent.override {
+      nix = self.hercules-ci-cnix-store.passthru.nixPackage;
+    }
+  );
   hercules-ci-cnix-expr = addTestToolDepend pkgs.git (
     super.hercules-ci-cnix-expr.override { nix = self.hercules-ci-cnix-store.passthru.nixPackage; }
   );
@@ -1980,9 +1991,6 @@ builtins.intersectAttrs super {
       builtins.mapAttrs (_: fourmoluTestFix) super
     )
     fourmolu
-    fourmolu_0_14_0_0
-    fourmolu_0_16_0_0
-    fourmolu_0_18_0_0
     ;
 
   # Test suite needs to execute 'disco' binary
@@ -2300,7 +2308,6 @@ builtins.intersectAttrs super {
       })
     ) super)
     hpack
-    hpack_0_38_1
     ;
 
   doctest = overrideCabal (drv: {
@@ -2358,6 +2365,31 @@ builtins.intersectAttrs super {
 
   # Workaround for flaky test: https://github.com/basvandijk/threads/issues/10
   threads = appendPatch ./patches/threads-flaky-test.patch super.threads;
+
+  idris = (self.generateOptparseApplicativeCompletions [ "idris" ]) super.idris;
+
+  # Generate cli completions for dhall.
+  dhall = self.generateOptparseApplicativeCompletions [ "dhall" ] super.dhall;
+  dhall-json = self.generateOptparseApplicativeCompletions [
+    "dhall-to-json"
+    "dhall-to-yaml"
+  ] super.dhall-json;
+  dhall-nix = self.generateOptparseApplicativeCompletions [ "dhall-to-nix" ] super.dhall-nix;
+  dhall-nixpkgs = self.generateOptparseApplicativeCompletions [
+    "dhall-to-nixpkgs"
+  ] super.dhall-nixpkgs;
+  dhall-yaml = self.generateOptparseApplicativeCompletions [
+    "dhall-to-yaml-ng"
+    "yaml-to-dhall"
+  ] super.dhall-yaml;
+
+  update-nix-fetchgit = self.generateOptparseApplicativeCompletions [
+    "update-nix-fetchgit"
+  ] super.update-nix-fetchgit;
+
+  hinit = self.generateOptparseApplicativeCompletions [ "hi" ] super.hinit;
+
+  hercules-ci-cli = self.generateOptparseApplicativeCompletions [ "hci" ] super.hercules-ci-cli;
 }
 
 // lib.optionalAttrs pkgs.config.allowAliases (

pkgs/development/haskell-modules/patches/darcs-cabal-3.14.patch

@@ -0,0 +1,85 @@
+diff -rN -u old-darcs.net/darcs.cabal new-darcs.net/darcs.cabal
+--- old-darcs.net/darcs.cabal	2025-09-13 02:45:32.790227974 +0200
++++ new-darcs.net/darcs.cabal	2025-09-13 02:45:32.791227985 +0200
+@@ -124,7 +124,7 @@
+ 
+ custom-setup
+     setup-depends: base      >= 4.10 && < 4.21,
+-                   Cabal     >= 2.4 && < 3.13,
++                   Cabal     >= 2.4 && < 3.15,
+                    process   >= 1.2.3.0 && < 1.7,
+                    filepath  >= 1.4.1 && < 1.5.0.0,
+                    directory >= 1.2.7 && < 1.4
+--- old-darcs.net/Setup.hs	2026-06-22 14:55:26.775706597 +0200
++++ new-darcs.net/Setup.hs	2026-06-22 14:56:31.996746207 +0200
+--- tmp2.hs	2026-06-22 14:55:26.775706597 +0200
++++ /home/lukas/tmp.hs	2026-06-22 15:25:23.957579360 +0200
+--- tmp2.hs	2026-06-22 14:55:26.775706597 +0200
++++ /home/lukas/tmp.hs	2026-06-22 15:28:17.448848236 +0200
+@@ -2,6 +2,7 @@
+ -- portions copyright (c) 2008 David Roundy
+ -- portions copyright (c) 2007-2009 Judah Jacobson
+ {-# OPTIONS_GHC -Wall #-}
++{-# LANGUAGE CPP #-}
+ import Distribution.Simple
+          ( defaultMainWithHooks, UserHooks(..), simpleUserHooks )
+ import Distribution.PackageDescription ( PackageDescription )
+@@ -25,8 +26,17 @@
+ import System.IO ( openFile, IOMode(..) )
+ import System.Process (callProcess, runProcess)
+ import Data.List( isInfixOf )
++#if MIN_VERSION_Cabal_syntax(3,14,0)
++import Distribution.Utils.Path ( (</>), interpretSymbolicPathCWD, makeRelativePathEx )
++#else
+ import System.FilePath ( (</>) )
+ 
++-- Shims so we can use the Cabal >= 3.14 API
++interpretSymbolicPathCWD, makeRelativePathEx :: FilePath -> FilePath
++interpretSymbolicPathCWD = id
++makeRelativePathEx = id
++#endif
++
+ import qualified Control.Exception as Exception
+ 
+ catchAny :: IO a -> (Exception.SomeException -> IO a) -> IO a
+@@ -73,22 +83,26 @@
+ 
+ buildManpage :: LocalBuildInfo -> IO ()
+ buildManpage lbi = do
+-  have_darcs_exe_dir <- doesDirectoryExist (buildDir lbi </> "darcs")
++  have_darcs_exe_dir <- doesDirectoryExist
++    $ interpretSymbolicPathCWD (buildDir lbi </> makeRelativePathEx "darcs")
+   when have_darcs_exe_dir $ do
+-    let darcs = buildDir lbi </> "darcs/darcs"
+-        manpage = buildDir lbi </> "darcs/darcs.1"
++    let darcs = interpretSymbolicPathCWD
++          $ buildDir lbi </> makeRelativePathEx "darcs/darcs"
++        manpage = interpretSymbolicPathCWD
++          $ buildDir lbi </> makeRelativePathEx "darcs/darcs.1"
+     manpageHandle <- openFile manpage WriteMode
+     void $ runProcess darcs ["help","manpage"]
+             Nothing Nothing Nothing (Just manpageHandle) Nothing
+ 
+ installManpage :: PackageDescription -> LocalBuildInfo -> Verbosity -> CopyDest -> IO ()
+ installManpage pkg lbi verbosity copy = do
+-  have_manpage <- doesFileExist (buildDir lbi </> "darcs" </> "darcs.1")
++  have_manpage <- doesFileExist
++    $ interpretSymbolicPathCWD (buildDir lbi </> makeRelativePathEx "darcs/darcs.1")
+   when have_manpage $
+     copyFiles
+       verbosity
+       (mandir (absoluteInstallDirs pkg lbi copy) </> "man1")
+-      [(buildDir lbi </> "darcs", "darcs.1")]
++      [(interpretSymbolicPathCWD (buildDir lbi </> makeRelativePathEx "darcs"), "darcs.1")]
+ 
+ -- ---------------------------------------------------------------------
+ -- version module
+@@ -124,7 +138,7 @@
+ 
+ generateVersionModule :: Verbosity -> LocalBuildInfo -> String -> String -> IO ()
+ generateVersionModule verbosity lbi version state = do
+-  let dir = autogenPackageModulesDir lbi
++  let dir = interpretSymbolicPathCWD (autogenPackageModulesDir lbi)
+   createDirectoryIfMissingVerbose verbosity True dir
+   ctx <- context verbosity
+   hash <- weakhash verbosity

pkgs/development/haskell-modules/patches/darcs-remove-fgl-dependency.patch

@@ -0,0 +1,13 @@
+Remove unused dependency.
+
+--- old/darcs.cabal	1970-01-01 01:00:01.000000000 +0100
++++ new/darcs.cabal	2026-08-13 14:15:19.498074382 +0200
+@@ -427,7 +427,7 @@
+                       mtl               >= 2.2.1 && < 2.4,
+                       transformers      >= 0.4.2.0 && < 0.7,
+                       parsec            >= 3.1.9 && < 3.2,
+-                      fgl               >= 5.5.2.3 && < 5.9,
++                      
+                       html              >= 1.0.1.2 && < 1.1,
+                       filepath          >= 1.4.1 && < 1.6,
+                       haskeline         >= 0.7.2 && < 0.9,

pkgs/development/haskell-modules/patches/darcs-stackage-nightly-2026-06-16.patch

@@ -0,0 +1,29 @@
+--- old-darcs.net/darcs.cabal	1970-01-01 01:00:01.000000000 +0100
++++ new-darcs.net/darcs.cabal	2026-06-22 16:10:41.137461887 +0200
+@@ -416,7 +416,7 @@
+       build-depends:  unix              >= 2.7.1.0 && < 2.9,
+                       directory         >= 1.2.7 && < 1.4
+ 
+-    build-depends:    base              >= 4.10 && < 4.21,
++    build-depends:    base              >= 4.10 && < 4.22,
+                       safe              >= 0.3.20 && < 0.4,
+                       stm               >= 2.1 && < 2.6,
+                       binary            >= 0.5 && < 0.11,
+@@ -436,7 +436,7 @@
+                       base16-bytestring >= 1.0 && < 1.1,
+                       utf8-string       >= 1 && < 1.1,
+                       vector            >= 0.11 && < 0.14,
+-                      tar               >= 0.5 && < 0.7,
++                      tar               >= 0.5 && < 0.8,
+                       data-ordlist      == 0.4.*
+ 
+     if impl(ghc < 8.10)
+@@ -462,7 +462,7 @@
+                       network           >= 2.6 && < 3.3,
+                       conduit           >= 1.3.0 && < 1.4,
+                       http-conduit      >= 2.3 && < 2.4,
+-                      http-types        >= 0.12.1 && < 0.12.5,
++                      http-types        >= 0.12.1 && < 0.13,
+                       exceptions        >= 0.6 && < 0.11,
+                       terminal-size     >= 0.3.4 && < 0.4
+ 

pkgs/development/haskell-modules/patches/darcs-tls-2.2.patch

@@ -0,0 +1,15 @@
+Based on https://hub.darcs.net/darcs/darcs-screened/patch/523d0a3a5480024ea35fd5d17b35a05e9d3334a0
+
+--- old/darcs.cabal	1970-01-01 01:00:01.000000000 +0100
++++ new/darcs.cabal	2026-08-13 14:18:55.376292224 +0200
+@@ -470,8 +470,8 @@
+       cpp-options:    -DHAVE_CRYPTON_CONNECTION
+       build-depends:  crypton-connection >= 0.4 && < 0.5,
+                       data-default      >= 0.7.1.3 && < 0.9,
+-                      http-client-tls   >= 0.3.5 && < 0.4,
+-                      tls               >= 2.0.6 && < 2.2
++                      http-client-tls   >= 0.3.5 && < 0.5,
++                      tls               >= 2.0.6 && < 2.5
+     else
+       -- cannot use crypton-connection >= 0.4, so
+       -- constraining indirect dependency to work around problems

pkgs/development/haskell-modules/patches/lzma-conduit-prevent-flaky-failures.patch

@@ -0,0 +1,20 @@
+From f5a907574e3d77e1eb4768f4cc9807efcc753071 Mon Sep 17 00:00:00 2001
+From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
+Date: Thu, 2 Oct 2025 04:02:54 +0000
+Subject: [PATCH] Fix test failure for small inputs by adding precondition
+
+Co-authored-by: NathanHowell <170829+NathanHowell@users.noreply.github.com>
+---
+
+diff --git a/tests/Main.hs b/tests/Main.hs
+index 140c942..7a69a72 100644
+--- a/tests/Main.hs
++++ b/tests/Main.hs
+@@ -52,6 +52,7 @@ prop_compressAndDiscard = monadicIO . forAllM someBigString $ \ str -> do
+ 
+ prop_compressAndCheckLength :: Property
+ prop_compressAndCheckLength = monadicIO . forAllM someBigString $ \ str -> do
++  pre $ B.length str > 64
+   len <- run . runResourceT $ Cl.sourceList [str] C.$$ compress Nothing C.=$= Cl.fold (\ acc el -> acc + B.length el) 0
+   -- random strings don't compress very well
+   assert (len > B.length str `div` 2)

pkgs/development/haskell-modules/patches/yesod-static-crypton-1.1-and-ram.patch

@@ -0,0 +1,26 @@
+Compare https://github.com/yesodweb/yesod/pull/1916
+
+---
+
+diff --git a/yesod-static/yesod-static.cabal b/yesod-static/yesod-static.cabal
+index f91c905c..50881677 100644
+--- a/yesod-static.cabal
++++ b/yesod-static.cabal
+@@ -45,7 +45,7 @@ library
+                    , hashable              >= 1.1
+                    , hjsmin
+                    , http-types            >= 0.7
+-                   , memory
++                   , ram                   >= 0.21 && < 0.23
+                    , mime-types            >= 0.1
+                    , process
+                    , template-haskell
+@@ -106,7 +106,7 @@ test-suite tests
+                    , filepath
+                    , hjsmin
+                    , http-types
+-                   , memory
++                   , ram
+                    , mime-types
+                    , process
+                    , template-haskell

pkgs/development/misc/haskell/hercules-ci-optparse-applicative.nix

@@ -15,8 +15,8 @@ mkDerivation {
   version = "0.19.0.0";
   src = fetchgit {
     url = "https://github.com/hercules-ci/optparse-applicative.git";
-    sha256 = "068rsq9j0afrywbcqf6vg4ivfxbb68ab7f0lvg1na81mfn7sfakk";
-    rev = "b55bb38a2aea0cf776aec707cdce7c7418146077";
+    sha256 = "sha256-tO0V+TKS+ng6OJ8BztKwmV0tV4TnUXOD01ocTyO0sq0=";
+    rev = "0.19.0.0-fork-1";
     fetchSubmodules = true;
   };
   libraryHaskellDepends = [

pkgs/test/haskell/upstreamStackHpackVersion/default.nix

@@ -149,7 +149,6 @@ stdenv.mkDerivation {
 
   meta = {
     description = "Test that the stack in Nixpkgs uses the same version of Hpack as the upstream stack release";
-    maintainers = with lib.maintainers; [ cdepillabout ];
 
     # This derivation internally runs a statically-linked version of stack from
     # upstream.  This statically-linked version of stack is only available for

pkgs/top-level/all-packages.nix

@@ -3624,14 +3624,13 @@ with pkgs;
 
   haskellPackages = recurseIntoAttrs (
     # Prefer native-bignum to avoid linking issues with gmp;
-    # GHC 9.10 doesn't work too well with iserv-proxy.
     if stdenv.hostPlatform.isStatic then
       haskell.packages.native-bignum.ghc912
     # JS backend can't use gmp
     else if stdenv.hostPlatform.isGhcjs then
-      haskell.packages.native-bignum.ghc910
+      haskell.packages.native-bignum.ghc912
     else
-      haskell.packages.ghc910
+      haskell.packages.ghc912
   );
 
   # haskellPackages.ghc is build->host (it exposes the compiler used to build the
@@ -3645,14 +3644,13 @@ with pkgs;
   ghc =
     targetPackages.haskellPackages.ghc or (
       # Prefer native-bignum to avoid linking issues with gmp;
-      # GHC 9.10 doesn't work too well with iserv-proxy.
       if stdenv.hostPlatform.isStatic then
         haskell.compiler.native-bignum.ghc912
       # JS backend can't use GMP
       else if stdenv.targetPlatform.isGhcjs then
-        haskell.compiler.native-bignum.ghc910
+        haskell.compiler.native-bignum.ghc912
       else
-        haskell.compiler.ghc910
+        haskell.compiler.ghc912
     );
 
   # TODO(@NixOS/haskell): deprecate this alias?

pkgs/top-level/haskell-packages.nix

@@ -66,7 +66,7 @@ let
     ghc96 = sets.ghc967;
     ghc98 = sets.ghc984;
     ghc910 = sets.ghc9103;
-    ghc912 = sets.ghc9123;
+    ghc912 = sets.ghc9125;
     ghc914 = sets.ghc9141;
 
     microhs_0_15 = sets.microhs_0_15_4_0;
@@ -189,6 +189,14 @@ in
         inherit (buildPackages.darwin) xattr autoSignDarwinBinariesHook;
         inherit buildTargetLlvmPackages llvmPackages;
       };
+      ghc9125 = callPackage ../development/compilers/ghc/9.12.5.nix {
+        bootPkgs =
+          # No suitable bindist packaged yet
+          bb.packages.ghc9103;
+        inherit (buildPackages.python3Packages) sphinx;
+        inherit (buildPackages.darwin) xattr autoSignDarwinBinariesHook;
+        inherit buildTargetLlvmPackages llvmPackages;
+      };
       ghc9141 = callPackage ../development/compilers/ghc/9.14.1.nix {
         bootPkgs =
           # No suitable bindist packaged yet
@@ -197,6 +205,14 @@ in
         inherit (buildPackages.darwin) xattr autoSignDarwinBinariesHook;
         inherit buildTargetLlvmPackages llvmPackages;
       };
+      ghc9142 = callPackage ../development/compilers/ghc/9.14.2.nix {
+        bootPkgs =
+          # No suitable bindist packaged yet
+          bb.packages.ghc9103;
+        inherit (buildPackages.python3Packages) sphinx;
+        inherit (buildPackages.darwin) xattr autoSignDarwinBinariesHook;
+        inherit buildTargetLlvmPackages llvmPackages;
+      };
       ghcHEAD = callPackage ../development/compilers/ghc/head.nix {
         bootPkgs =
           # No suitable bindist packaged yet
@@ -296,11 +312,21 @@ in
         ghc = bh.compiler.ghc9124;
         compilerConfig = callPackage ../development/haskell-modules/configuration-ghc-9.12.x.nix { };
       };
+      ghc9125 = callPackage ../development/haskell-modules {
+        buildHaskellPackages = bh.packages.ghc9125;
+        ghc = bh.compiler.ghc9125;
+        compilerConfig = callPackage ../development/haskell-modules/configuration-ghc-9.12.x.nix { };
+      };
       ghc9141 = callPackage ../development/haskell-modules {
         buildHaskellPackages = bh.packages.ghc9141;
         ghc = bh.compiler.ghc9141;
         compilerConfig = callPackage ../development/haskell-modules/configuration-ghc-9.14.x.nix { };
       };
+      ghc9142 = callPackage ../development/haskell-modules {
+        buildHaskellPackages = bh.packages.ghc9142;
+        ghc = bh.compiler.ghc9142;
+        compilerConfig = callPackage ../development/haskell-modules/configuration-ghc-9.14.x.nix { };
+      };
       ghcHEAD = callPackage ../development/haskell-modules {
         buildHaskellPackages = bh.packages.ghcHEAD;
         ghc = bh.compiler.ghcHEAD;

pkgs/top-level/release-haskell.nix

@@ -67,7 +67,9 @@ let
     ghc967
     ghc984
     ghc9103
-    ghc9123
+    ghc9125
+    ghc9141
+    ghc9142
   ];
 
   # packagePlatforms applied to `haskell.packages.*`
@@ -525,22 +527,49 @@ let
         compilerNames.ghc948
       ] released;
       Cabal_3_10_3_0 = lib.subtractLists [
-        # time < 1.13 conflicts with time == 1.14.*
-        compilerNames.ghc9123
+        # time < 1.13 conflicts with time == 1.14.* || == 1.15.*
+        compilerNames.ghc9125
+        compilerNames.ghc9141
+        compilerNames.ghc9142
+      ] released;
+      Cabal_3_12_1_0 = lib.subtractLists [
+        # time < 1.15 conflicts with time == 1.15.*
+        compilerNames.ghc9141
+        compilerNames.ghc9142
+      ] released;
+      Cabal_3_14_2_0 = lib.subtractLists [
+        # time < 1.15 conflicts with time == 1.15.*
+        compilerNames.ghc9141
+        compilerNames.ghc9142
       ] released;
-      Cabal_3_12_1_0 = released;
-      Cabal_3_14_2_0 = released;
       Cabal_3_16_1_0 = released;
+      Cabal_3_18_1_0 = released;
       cabal2nix = released;
       cabal2nix-unstable = released;
       funcmp = released;
+      # haddock-{api,library} are core packages as of GHC >= 9.12
+      haddock-api = [
+        compilerNames.ghc94
+        compilerNames.ghc96
+        # No version compatible with 9.8 nor 9.10 released to Hackage
+      ];
+      haddock-library = [
+        compilerNames.ghc94
+        compilerNames.ghc96
+        compilerNames.ghc98
+        compilerNames.ghc910
+      ];
       haskell-debugger = [
         compilerNames.ghc9141
+        compilerNames.ghc9142
       ];
       haskell-language-server = released;
       hoogle = released;
       hlint = lib.subtractLists [
-        compilerNames.ghc9123
+        # https://github.com/ndmitchell/hlint/issues/1672
+        # https://github.com/ndmitchell/hlint/pull/1673
+        compilerNames.ghc9141
+        compilerNames.ghc9142
       ] released;
       hpack = released;
       hsdns = released;
@@ -549,28 +578,28 @@ let
       language-nix = released;
       nix-paths = released;
       titlecase = released;
+      ghc-exactprint = released;
       ghc-lib = released;
       ghc-lib-parser = released;
       ghc-lib-parser-ex = released;
-      ghc-source-gen = lib.subtractLists [
-        compilerNames.ghc9123
-      ] released;
+      ghc-source-gen = released;
       ghc-tags = lib.subtractLists [
-        compilerNames.ghc9123
+        # https://github.com/arybczak/ghc-tags/pull/31
+        compilerNames.ghc9141
+        compilerNames.ghc9142
       ] released;
       hashable = released;
       primitive = released;
       scrod = [
         compilerNames.ghc9141
+        compilerNames.ghc9142
       ];
       semaphore-compat = [
         # Compiler < 9.8 don't have the semaphore-compat core package, but
         # requires unix >= 2.8.1.0 which implies GHC >= 9.6 for us.
         compilerNames.ghc967
       ];
-      weeder = lib.subtractLists [
-        compilerNames.ghc9123
-      ] released;
+      weeder = released;
 
       # MicroHs core packages
       ghc-compat = [