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lix/doc/manual/src/release-notes/rl-next.md
Silvan Mosberger 90700736c7 Introduce builtins.groupBy primop 
This function is very useful in nixpkgs, but its implementation in Nix
itself is rather slow due to it requiring a lot of attribute set and
list appends.
2021-12-02 21:54:51 +01:00

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Release 2.5 (2021-XX-XX)

  • Binary cache stores now have a setting compression-level.

  • nix develop now has a flag --unpack to run unpackPhase.

  • Lists can now be compared lexicographically using the < operator.

  • New built-in function: builtins.groupBy, with the same functionality as Nixpkgs' lib.groupBy, but faster.