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26 lines
1.1 KiB
Markdown
26 lines
1.1 KiB
Markdown
# Release 3.8.3 (2025-07-18)
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* Based on [upstream Nix 2.30.1](../release-notes/rl-2.30.md).
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## What's Changed
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### Non-blocking evaluation caching
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Users reported evaluation would occasionally block other evaluation processes.
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The evaluation cache database is now opened in write-ahead mode to prevent delaying evaluations.
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PR: [DeterminateSystems/nix-src#150](https://github.com/DeterminateSystems/nix-src/pull/150)
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### New experimental feature: `external-builders`
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This experimental feature allows Nix to call an external program for the build environment.
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The interface and behavior of this feature may change at any moment without a correspondingly major semver version change.
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PRs:
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- [DeterminateSystems/nix-src#141](https://github.com/DeterminateSystems/nix-src/pull/141)
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- [DeterminateSystems/nix-src#152](https://github.com/DeterminateSystems/nix-src/pull/152)
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- [DeterminateSystems/nix-src#78](https://github.com/DeterminateSystems/nix-src/pull/78)
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**Full Changelog**: [v3.8.2...v3.8.3](https://github.com/DeterminateSystems/nix-src/compare/v3.8.2...v3.8.3)
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