Merge pull request #247 from DeterminateSystems/release-v3.12.1/640a29d9-f65f-4097-9e73-afc3d68e322f

Release v3.12.1

Author: detsys-spaghetti[bot]

.version-determinate

@@ -1 +1 @@
-3.12.0
+3.12.1

doc/manual/source/SUMMARY.md.in

@@ -131,6 +131,7 @@
   - [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 3.12.1 (2025-11-04)](release-notes-determinate/v3.12.1.md)
   - [Release 3.12.0 (2025-10-23)](release-notes-determinate/v3.12.0.md)
   - [Release 3.11.3 (2025-10-09)](release-notes-determinate/v3.11.3.md)
   - [Release 3.11.2 (2025-09-12)](release-notes-determinate/v3.11.2.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 2.32 and Determinate Nix 3.12.0.<!-- differences -->
+This section lists the differences between upstream Nix 2.32 and Determinate Nix 3.12.1.<!-- differences -->
 
 * In Determinate Nix, flakes are stable. You no longer need to enable the `flakes` experimental feature.
 
@@ -129,3 +129,7 @@ This section lists the differences between upstream Nix 2.32 and Determinate Nix
 
 * Determinate Nix prints the Nix version when using `-vv` or higher verbosity. [DeterminateSystems/nix-src#237](https://github.com/DeterminateSystems/nix-src/pull/237)
 
+
+<!-- Determinate Nix version 3.12.1 -->
+
+* Allow access to the result of fetchClosure by @edolstra in [DeterminateSystems/nix-src#241](https://github.com/DeterminateSystems/nix-src/pull/241)

doc/manual/source/release-notes-determinate/v3.12.1.md

@@ -0,0 +1,10 @@
+# Release 3.12.1 (2025-11-04)
+
+* Based on [upstream Nix 2.32.1](../release-notes/rl-2.32.md).
+
+## What's Changed
+* Allow access to the result of fetchClosure by @edolstra in [DeterminateSystems/nix-src#241](https://github.com/DeterminateSystems/nix-src/pull/241)
+* libstore/build: fixup JSON logger missing the resBuildResult result event by @cole-h in [DeterminateSystems/nix-src#246](https://github.com/DeterminateSystems/nix-src/pull/246)
+
+
+**Full Changelog**: [v3.12.0...v3.12.1](https://github.com/DeterminateSystems/nix-src/compare/v3.12.0...v3.12.1)