Generare release notes for 3.5.1

Author: github-actions[bot]

doc/manual/source/SUMMARY.md.in

@@ -128,6 +128,7 @@
   - [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 3.5.1 (2025-05-09)](release-notes-determinate/rl-3.5.1.md)
   - [Release 3.5.0 (2025-05-09)](release-notes-determinate/rl-3.5.0.md)
   - [Release 3.4.2 (2025-05-05)](release-notes-determinate/rl-3.4.2.md)
   - [Release 3.4.0 (2025-04-25)](release-notes-determinate/rl-3.4.0.md)

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

@@ -1,6 +1,6 @@
 # Changes between Nix and Determinate Nix
 
-This section lists the differences between upstream Nix 2.28 and Determinate Nix 3.5.0.<!-- differences -->
+This section lists the differences between upstream Nix 2.28 and Determinate Nix 3.5.1.<!-- differences -->
 
 * In Determinate Nix, flakes are stable. You no longer need to enable the `flakes` experimental feature.
 
@@ -19,3 +19,26 @@ This section lists the differences between upstream Nix 2.28 and Determinate Nix
 <!-- Determinate Nix version 3.4.2 -->
 
 <!-- Determinate Nix version 3.5.0 -->
+
+<!-- Determinate Nix version 3.5.1 -->
+
+* Only run the test step after build completes by @grahamc in [DeterminateSystems/nix-src#51](https://github.com/DeterminateSystems/nix-src/pull/51)
+
+* Remove flake-compat input by @lucperkins in [DeterminateSystems/nix-src#52](https://github.com/DeterminateSystems/nix-src/pull/52)
+
+* Deprecate upgrade-nix command by @gustavderdrache in [DeterminateSystems/nix-src#55](https://github.com/DeterminateSystems/nix-src/pull/55)
+
+* Update flake.lock in light of recent change by @lucperkins in [DeterminateSystems/nix-src#54](https://github.com/DeterminateSystems/nix-src/pull/54)
+
+* Lazy trees v2 by @edolstra in [DeterminateSystems/nix-src#27](https://github.com/DeterminateSystems/nix-src/pull/27)
+
+* Improve lazy trees backward compatibility by @edolstra in [DeterminateSystems/nix-src#56](https://github.com/DeterminateSystems/nix-src/pull/56)
+
+* Canonicalize flake input URLs before checking flake.lock file staleness, for dealing with `dir` in URL-style flakerefs by @edolstra in [DeterminateSystems/nix-src#57](https://github.com/DeterminateSystems/nix-src/pull/57)
+
+* Improve build failure error messages by @edolstra in [DeterminateSystems/nix-src#58](https://github.com/DeterminateSystems/nix-src/pull/58)
+
+* Release v3.5.0 by @github-actions in [DeterminateSystems/nix-src#59](https://github.com/DeterminateSystems/nix-src/pull/59)
+
+
+* @gustavderdrache made their first contribution in [DeterminateSystems/nix-src#55](https://github.com/DeterminateSystems/nix-src/pull/55)

doc/manual/source/release-notes-determinate/rl-3.5.1.md

@@ -0,0 +1,19 @@
+# Release 3.5.1 (2025-05-09)
+
+* Based on [upstream Nix 2.28.3](../release-notes/rl-2.28.md).
+
+## What's Changed
+* Only run the test step after build completes by @grahamc in [DeterminateSystems/nix-src#51](https://github.com/DeterminateSystems/nix-src/pull/51)
+* Remove flake-compat input by @lucperkins in [DeterminateSystems/nix-src#52](https://github.com/DeterminateSystems/nix-src/pull/52)
+* Deprecate upgrade-nix command by @gustavderdrache in [DeterminateSystems/nix-src#55](https://github.com/DeterminateSystems/nix-src/pull/55)
+* Update flake.lock in light of recent change by @lucperkins in [DeterminateSystems/nix-src#54](https://github.com/DeterminateSystems/nix-src/pull/54)
+* Lazy trees v2 by @edolstra in [DeterminateSystems/nix-src#27](https://github.com/DeterminateSystems/nix-src/pull/27)
+* Improve lazy trees backward compatibility by @edolstra in [DeterminateSystems/nix-src#56](https://github.com/DeterminateSystems/nix-src/pull/56)
+* Canonicalize flake input URLs before checking flake.lock file staleness, for dealing with `dir` in URL-style flakerefs by @edolstra in [DeterminateSystems/nix-src#57](https://github.com/DeterminateSystems/nix-src/pull/57)
+* Improve build failure error messages by @edolstra in [DeterminateSystems/nix-src#58](https://github.com/DeterminateSystems/nix-src/pull/58)
+* Release v3.5.0 by @github-actions in [DeterminateSystems/nix-src#59](https://github.com/DeterminateSystems/nix-src/pull/59)
+
+## New Contributors
+* @gustavderdrache made their first contribution in [DeterminateSystems/nix-src#55](https://github.com/DeterminateSystems/nix-src/pull/55)
+
+**Full Changelog**: [v3.4.2...v3.5.1](https://github.com/DeterminateSystems/nix-src/compare/v3.4.2...v3.5.1)