# Release 3.6.7 (2025-06-24)

* Based on [upstream Nix 2.29.1](../release-notes/rl-2.29.md).

## What's Changed
* Fix fetchToStore() caching with --impure, improve testing by @edolstra in [DeterminateSystems/nix-src#117](https://github.com/DeterminateSystems/nix-src/pull/117)
* Add lazy-locks setting by @edolstra in [DeterminateSystems/nix-src#113](https://github.com/DeterminateSystems/nix-src/pull/113)
* Sync 2.29.1 by @edolstra in [DeterminateSystems/nix-src#124](https://github.com/DeterminateSystems/nix-src/pull/124)


**Full Changelog**: [v3.6.6...v3.6.7](https://github.com/DeterminateSystems/nix-src/compare/v3.6.6...v3.6.7)