Generate release notes for 3.18.0

Author: github-actions[bot]

doc/manual/source/SUMMARY.md.in

@@ -146,6 +146,7 @@
   - [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 3.18.0 (2026-04-20)](release-notes-determinate/v3.18.0.md)
   - [Release 3.17.3 (2026-04-07)](release-notes-determinate/v3.17.3.md)
   - [Release 3.17.2 (2026-03-27)](release-notes-determinate/v3.17.2.md)
   - [Release 3.17.1 (2026-03-18)](release-notes-determinate/v3.17.1.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 2.33 and Determinate Nix 3.17.3.<!-- differences -->
+This section lists the differences between upstream Nix 2.33 and Determinate Nix 3.18.0.<!-- differences -->
 
 * In Determinate Nix, flakes are stable. You no longer need to enable the `flakes` experimental feature.
 
@@ -208,3 +208,19 @@ This section lists the differences between upstream Nix 2.33 and Determinate Nix
 <!-- Determinate Nix version 3.17.2 -->
 
 <!-- Determinate Nix version 3.17.3 -->
+
+<!-- Determinate Nix version 3.18.0 -->
+
+* CI: Do the static build in a separate job by @edolstra in [DeterminateSystems/nix-src#419](https://github.com/DeterminateSystems/nix-src/pull/419)
+
+* Backward compatibility hack for getFlake applied to unsafeDiscardStringContext by @edolstra in [DeterminateSystems/nix-src#422](https://github.com/DeterminateSystems/nix-src/pull/422)
+
+* LocalStore::addToStore(): Show hash mismatches in SRI format by @edolstra in [DeterminateSystems/nix-src#423](https://github.com/DeterminateSystems/nix-src/pull/423)
+
+* Upload crash info to Sentry by @edolstra in [DeterminateSystems/nix-src#418](https://github.com/DeterminateSystems/nix-src/pull/418)
+
+* boost::thread_resource_error improvements by @edolstra in [DeterminateSystems/nix-src#427](https://github.com/DeterminateSystems/nix-src/pull/427)
+
+* getLegacyGitAccessor(): Don't ignore errors by @edolstra in [DeterminateSystems/nix-src#425](https://github.com/DeterminateSystems/nix-src/pull/425)
+
+* Provide the pre-build hook with a JSON serialization of the derivation by @edolstra in [DeterminateSystems/nix-src#424](https://github.com/DeterminateSystems/nix-src/pull/424)

doc/manual/source/release-notes-determinate/v3.18.0.md

@@ -0,0 +1,15 @@
+# Release 3.18.0 (2026-04-20)
+
+* Based on [upstream Nix 2.33.3](../release-notes/rl-2.33.md).
+
+## What's Changed
+* CI: Do the static build in a separate job by @edolstra in [DeterminateSystems/nix-src#419](https://github.com/DeterminateSystems/nix-src/pull/419)
+* Backward compatibility hack for getFlake applied to unsafeDiscardStringContext by @edolstra in [DeterminateSystems/nix-src#422](https://github.com/DeterminateSystems/nix-src/pull/422)
+* LocalStore::addToStore(): Show hash mismatches in SRI format by @edolstra in [DeterminateSystems/nix-src#423](https://github.com/DeterminateSystems/nix-src/pull/423)
+* Upload crash info to Sentry by @edolstra in [DeterminateSystems/nix-src#418](https://github.com/DeterminateSystems/nix-src/pull/418)
+* boost::thread_resource_error improvements by @edolstra in [DeterminateSystems/nix-src#427](https://github.com/DeterminateSystems/nix-src/pull/427)
+* getLegacyGitAccessor(): Don't ignore errors by @edolstra in [DeterminateSystems/nix-src#425](https://github.com/DeterminateSystems/nix-src/pull/425)
+* Provide the pre-build hook with a JSON serialization of the derivation by @edolstra in [DeterminateSystems/nix-src#424](https://github.com/DeterminateSystems/nix-src/pull/424)
+
+
+**Full Changelog**: [v3.17.3...v3.18.0](https://github.com/DeterminateSystems/nix-src/compare/v3.17.3...v3.18.0)