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nixpkgs/nixos/doc/manual/release-notes/rl-2205.section.md
Nicolas Benes 7065725f68
doc: add release notes for a wafHook change
2021-12-02 18:46:48 -05:00

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Release 22.05 (“Quokka”, 2022.05/??)

In addition to numerous new and upgraded packages, this release has the following highlights:

  • Support is planned until the end of December 2022, handing over to 22.11.

Highlights

New Services

Backward Incompatibilities

  • pkgs.ghc now refers to pkgs.targetPackages.haskellPackages.ghc. This only makes a difference if you are cross-compiling and will ensure that pkgs.ghc always runs on the host platform and compiles for the target platform (similar to pkgs.gcc for example). haskellPackages.ghc still behaves as before, running on the build platform and compiling for the host platform (similar to stdenv.cc). This means you don't have to adjust your derivations if you use haskellPackages.callPackage, but when using pkgs.callPackage and taking ghc as an input, you should now use buildPackages.ghc instead to ensure cross compilation keeps working (or switch to haskellPackages.callPackage).

  • pkgs.emacsPackages.orgPackages is removed because org elpa is deprecated. The packages in the top level of pkgs.emacsPackages, such as org and org-contrib, refer to the ones in pkgs.emacsPackages.elpaPackages and pkgs.emacsPackages.nongnuPackages where the new versions will release.

  • The wafHook hook now honors NIX_BUILD_CORES when enableParallelBuilding is not set explicitly. Packages can restore the old behaviour by setting enableParallelBuilding=false.

Other Notable Changes