chore: release 1.0.12, begin 1.0.13.dev0 development (#4759)

* chore: bump version to 1.0.12

* chore: begin 1.0.13.dev0 development

---------

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

Author: mnriem

CHANGELOG.md

@@ -2,6 +2,31 @@
 
 <!-- insert new changelog below this comment -->
 
+## [1.0.12] - 2026-09-25
+
+### Changed
+
+- fix(workflows): reject a multi-argument filter call in expressions (#3893)
+- feat(auth): add Bitbucket authentication provider (#4629)
+- Add Agentstandards bundle to community catalog (#4751)
+- docs: consolidate design guidance and contribution guidelines (#4752)
+- Add Agentstandards Task Gate preset to community catalog (#4749)
+- fix(alquimia): render `/speckit-<name>` invocations for the skills-only Alquimia agent (#4137)
+- [preset] Update Intake Review Governance preset to v0.2.3 (#4748)
+- refactor(presets): split domain internals into private modules (#4747)
+- chore(deps): bump the codeql-action group with 2 updates (#4742)
+- Add Agentstandards Architecture Council extension to community catalog (#4730)
+- fix(ci): make the markdownlint job lint files again (#4526) (#4584)
+- Update SpecAssay community bundle to v0.5.2 (#4737)
+- Update SpecAssay Check extension to v0.5.2 (#4735)
+- [preset] Update SpecAssay preset to v0.5.2 (#4717)
+- fix: sync integration manifest hashes after preset re-registration on upgrade (#4697)
+- [extension] Update OKF Knowledge Bundle Generator to v0.9.2 (#4700)
+- Update Intake Authoring Governance preset to v0.3.4 (#4716)
+- fix: eliminate TOCTOU races in catalog_fetch() for file:// and bare path URLs (#3910)
+- fix: add ValueError guard for timeout in _build_opencode_plugin (#3973)
+- chore: release 1.0.11, begin 1.0.12.dev0 development (#4723)
+
 ## [1.0.11] - 2026-09-24
 
 ### Changed

pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "specify-cli"
-version = "1.0.12.dev0"
+version = "1.0.13.dev0"
 description = "Specify CLI, part of GitHub Spec Kit. A tool to bootstrap your projects for Spec-Driven Development (SDD)."
 readme = "README.md"
 requires-python = ">=3.11"