chore: release 0.16.3, begin 0.16.4.dev0 development (#4107)

* chore: bump version to 0.16.3

* chore: begin 0.16.4.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 -->
 
+## [0.16.3] - 2026-08-13
+
+### Changed
+
+- fix: narrow bare except Exception in VS Code settings merge (#3844)
+- feat(presets): list presets in resolution/precedence order (#4086) (#4104)
+- Fix: scaffold self-contained namespaced preset commands (#4076) (#4082)
+- Update Cross-Platform Governance preset to v0.2.2 (#4080)
+- fix(bundler): treat a blank active integration as indeterminate in FR-019 (#3886)
+- Integrate Junie with dot-to-hyphen behavior and command formatting  (#4073)
+- Update A11Y Governance preset to v0.4.3 (#4074)
+- Fix Alquimia argument hints after folded descriptions (#4063)
+- fix: use bounded read for bundle download HTTP responses (#3764)
+- Update iSAQB Architecture Governance preset to v0.2.2 (#4056)
+- fix(claude): make argument-hint injection fold-aware for long descriptions (#4045)
+- Add SpecKit Grill Me extension to community catalog (#4052)
+- Update Architecture Governance preset to v0.5.2 (#4050)
+- Remove auto-assign from catalog submission workflow (#4054)
+- docs: clarify example spec guidance (#4048)
+- Clarify custom checklist ownership and lifecycle (#4028)
+- Update Archive Extension to v1.2.2 (#4053)
+- Update Security Governance preset to v0.6.2 (#4040)
+- docs: clarify maintainer applies submission label during triage (#4041)
+- chore: release 0.16.2, begin 0.16.3.dev0 development (#4038)
+
 ## [0.16.2] - 2026-08-10
 
 ### Changed

pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "specify-cli"
-version = "0.16.3.dev0"
+version = "0.16.4.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"