Release v3.22.0

.version-determinate

@@ -1 +1 @@
-3.21.9
+3.22.0

doc/manual/source/SUMMARY.md.in

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   - [Contributing](development/contributing.md)
 - [Determinate Nix Release Notes](release-notes-determinate/index.md)
   - [Changes between Nix and Determinate Nix](release-notes-determinate/changes.md)<!-- next -->
+  - [Release 3.22.0 (2026-08-06)](release-notes-determinate/v3.22.0.md)
   - [Release 3.21.9 (2026-07-30)](release-notes-determinate/v3.21.9.md)
   - [Release 3.21.8 (2026-07-20)](release-notes-determinate/v3.21.8.md)
   - [Release 3.21.7 (2026-07-15)](release-notes-determinate/v3.21.7.md)

doc/manual/source/release-notes-determinate/changes.md

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 # Changes between Nix and Determinate Nix
 
-This section lists the differences between upstream Nix 2.34 and Determinate Nix 3.21.9.<!-- differences -->
+This section lists the differences between upstream Nix 2.35 and Determinate Nix 3.22.0.<!-- differences -->
 
 * In Determinate Nix, flakes are stable. You no longer need to enable the `flakes` experimental feature.
 
@@ -224,3 +224,5 @@ This section lists the differences between upstream Nix 2.34 and Determinate Nix
 <!-- Determinate Nix version 3.21.8 -->
 
 <!-- Determinate Nix version 3.21.9 -->
+
+<!-- Determinate Nix version 3.22.0 -->

doc/manual/source/release-notes-determinate/v3.22.0.md

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+# Release 3.22.0 (2026-08-06)
+
+* Based on [upstream Nix 2.35.1](../release-notes/rl-2.35.md).
+
+## Upstream Nix 2.35
+
+This release is based on upstream Nix 2.35.1, which includes numerous new features and performance improvements. See the [upstream release notes](../release-notes/rl-2.35.md) for more details.
+
+PRs: [DeterminateSystems/nix-src#530](https://github.com/DeterminateSystems/nix-src/pull/530), [DeterminateSystems/nix-src#584](https://github.com/DeterminateSystems/nix-src/pull/584)
+
+## Performance improvements
+
+* LocalStore: Reduce number of SQLite calls by @edolstra in [DeterminateSystems/nix-src#574](https://github.com/DeterminateSystems/nix-src/pull/574)
+* Use std::move_only_function for parallel eval work items by @edolstra in [DeterminateSystems/nix-src#585](https://github.com/DeterminateSystems/nix-src/pull/585)
+
+## Bug fixes
+
+* Progress bar signal handling improvements by @edolstra in [DeterminateSystems/nix-src#586](https://github.com/DeterminateSystems/nix-src/pull/586)
+* Prevent LocalCommand 'started' leak on stale SSH master socket by @DarthPJB in [DeterminateSystems/nix-src#569](https://github.com/DeterminateSystems/nix-src/pull/569)
+* Fix randomly failing build.sh test by @edolstra in [DeterminateSystems/nix-src#587](https://github.com/DeterminateSystems/nix-src/pull/587)
+
+## New Contributors
+* @DarthPJB made their first contribution in [DeterminateSystems/nix-src#569](https://github.com/DeterminateSystems/nix-src/pull/569)
+
+**Full Changelog**: [v3.21.9...v3.22.0](https://github.com/DeterminateSystems/nix-src/compare/v3.21.9...v3.22.0)