# Release 3.8.4 (2025-07-21)

* Based on [upstream Nix 2.30.1](../release-notes/rl-2.30.md).

## What's Changed
* Revert "Use WAL mode for SQLite cache databases" by @grahamc in [DeterminateSystems/nix-src#155](https://github.com/DeterminateSystems/nix-src/pull/155)


**Full Changelog**: [v3.8.3...v3.8.4](https://github.com/DeterminateSystems/nix-src/compare/v3.8.3...v3.8.4)