chore(main): release 6.3.0-beta.5 (#888)

* chore(main): release 6.3.0-beta.5

* chore: normalize prerelease version to PEP 440

---------

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

Author: github-actions[bot]

.release-please-manifest.json

@@ -1,3 +1,3 @@
 {
-  ".": "6.3.0-beta.4"
+  ".": "6.3.0-beta.5"
 }

CHANGELOG.md

@@ -1,5 +1,19 @@
 # Changelog
 
+## [6.3.0-beta.5](https://github.com/adcontextprotocol/adcp-client-python/compare/v6.3.0-beta.4...v6.3.0-beta.5) (2026-05-28)
+
+
+### Features
+
+* add creative format compatibility helpers ([#887](https://github.com/adcontextprotocol/adcp-client-python/issues/887)) ([7f26ad1](https://github.com/adcontextprotocol/adcp-client-python/commit/7f26ad19d6bcef0140feeecfe8244d5975202821))
+* **canonical-formats:** add canonical reference resolver ([#891](https://github.com/adcontextprotocol/adcp-client-python/issues/891)) ([d5706cd](https://github.com/adcontextprotocol/adcp-client-python/commit/d5706cdbc184a48f58a8a3a6ae89f4f435b26bd1))
+
+
+### Bug Fixes
+
+* **ci:** block agent PR title prefixes ([#893](https://github.com/adcontextprotocol/adcp-client-python/issues/893)) ([79a979d](https://github.com/adcontextprotocol/adcp-client-python/commit/79a979dd2fc27c351c9c5d08a63fefa4cd372be6))
+* **types:** support AdCP 3.1 beta 7 ([3eee8d5](https://github.com/adcontextprotocol/adcp-client-python/commit/3eee8d52101f5fe062c0d8de9f8fd9f26c4e5d51))
+
 ## [6.3.0-beta.4](https://github.com/adcontextprotocol/adcp-client-python/compare/v6.2.0-beta.4...v6.3.0-beta.4) (2026-05-26)
 
 

pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "adcp"
-version = "6.3.0b4"
+version = "6.3.0b5"
 description = "Official Python client for the Ad Context Protocol (AdCP)"
 authors = [
     {name = "AdCP Community", email = "maintainers@adcontextprotocol.org"}