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Update release notes

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Graham Christensen 2025-07-10 11:26:10 -04:00
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doc/manual/source/release-notes-determinate/changes.md
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@ -97,12 +97,6 @@ This section lists the differences between upstream Nix 2.30 and Determinate Nix
<!-- Determinate Nix version 3.8.0 -->
* Sync with upstream 2.30.0 by @edolstra in [DeterminateSystems/nix-src#135](https://github.com/DeterminateSystems/nix-src/pull/135)
* nix flake check: Skip substitutable derivations by @edolstra in [DeterminateSystems/nix-src#134](https://github.com/DeterminateSystems/nix-src/pull/134)
* lockFlake(): When updating a lock, respect the input's lock file by @edolstra in [DeterminateSystems/nix-src#137](https://github.com/DeterminateSystems/nix-src/pull/137)
* Hide double copy warning by @edolstra in [DeterminateSystems/nix-src#138](https://github.com/DeterminateSystems/nix-src/pull/138)
* Remove some dead code to minimize the upstream diff by @edolstra in [DeterminateSystems/nix-src#139](https://github.com/DeterminateSystems/nix-src/pull/139)

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doc/manual/source/release-notes-determinate/rl-3.8.0.md
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@ -3,11 +3,27 @@
* Based on [upstream Nix 2.30.0](../release-notes/rl-2.30.md).
## What's Changed
* Sync with upstream 2.30.0 by @edolstra in [DeterminateSystems/nix-src#135](https://github.com/DeterminateSystems/nix-src/pull/135)
* nix flake check: Skip substitutable derivations by @edolstra in [DeterminateSystems/nix-src#134](https://github.com/DeterminateSystems/nix-src/pull/134)
* lockFlake(): When updating a lock, respect the input's lock file by @edolstra in [DeterminateSystems/nix-src#137](https://github.com/DeterminateSystems/nix-src/pull/137)
* Hide double copy warning by @edolstra in [DeterminateSystems/nix-src#138](https://github.com/DeterminateSystems/nix-src/pull/138)
* Remove some dead code to minimize the upstream diff by @edolstra in [DeterminateSystems/nix-src#139](https://github.com/DeterminateSystems/nix-src/pull/139)
### Faster CI with `nix flake check`
`nix flake check` no longer downloads flake outputs if no building is necessary.
This command is intended to validate that a flake can fully evaluate and all outputs can build.
If the outputs are available in a binary cache then both properties are confirmed to be true.
Notably, downloading the output from the binary cache is not strictly necessary for the validation.
Previously, `nix flake check` would download a flake output if the full build is available in a binary cache.
Some users will find this change significantly reduces costly bandwidth and CI workflow time.
PR: [DeterminateSystems/nix-src#134](https://github.com/DeterminateSystems/nix-src/pull/134)
### Improved flake locking of transitive dependencies
Determinate Nix now re-locks all transitive dependencies when changing a flake input's source URL.
This fixes an issue where in some scenarios Nix would not re-lock those inputs and incorrectly use the old inputs' dependencies.
PR: [DeterminateSystems/nix-src#137](https://github.com/DeterminateSystems/nix-src/pull/137)
**Full Changelog**: [v3.7.0...v3.8.0](https://github.com/DeterminateSystems/nix-src/compare/v3.7.0...v3.8.0)