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Diffstat (limited to 'doc/manual/src/release-notes/rl-2.18.md')
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diff --git a/doc/manual/src/release-notes/rl-2.18.md b/doc/manual/src/release-notes/rl-2.18.md new file mode 100644 index 000000000..4bbc52b50 --- /dev/null +++ b/doc/manual/src/release-notes/rl-2.18.md @@ -0,0 +1,28 @@ +# Release 2.18 (2023-09-20) + +- Two new builtin functions, + [`builtins.parseFlakeRef`](@docroot@/language/builtins.md#builtins-parseFlakeRef) + and + [`builtins.flakeRefToString`](@docroot@/language/builtins.md#builtins-flakeRefToString), + have been added. + These functions are useful for converting between flake references encoded as attribute sets and URLs. + +- [`builtins.toJSON`](@docroot@/language/builtins.md#builtins-parseFlakeRef) now prints [--show-trace](@docroot@/command-ref/conf-file.html#conf-show-trace) items for the path in which it finds an evaluation error. + +- Error messages regarding malformed input to [`nix derivation add`](@docroot@/command-ref/new-cli/nix3-derivation-add.md) are now clearer and more detailed. + +- The `discard-references` feature has been stabilized. + This means that the + [unsafeDiscardReferences](@docroot@/contributing/experimental-features.md#xp-feature-discard-references) + attribute is no longer guarded by an experimental flag and can be used + freely. + +- The JSON output for derived paths which are store paths is now a string, not an object with a single `path` field. + This only affects `nix-build --json` when "building" non-derivation things like fetched sources, which is a no-op. + +- A new builtin [`outputOf`](@docroot@/language/builtins.md#builtins-outputOf) has been added. + It is part of the [`dynamic-derivations`](@docroot@/contributing/experimental-features.md#xp-feature-dynamic-derivations) experimental feature. + +- Flake follow paths at depths greater than 2 are now handled correctly, preventing "follows a non-existent input" errors. + +- [`nix-store --query`](@docroot@/command-ref/nix-store/query.md) gained a new type of query: `--valid-derivers`. It returns all `.drv` files in the local store that *can be* used to build the output passed in argument. This is in contrast to `--deriver`, which returns the single `.drv` file that *was actually* used to build the output passed in argument. In case the output was substituted from a binary cache, this `.drv` file may only exist on said binary cache and not locally. |