chore(main): release 2.13.0 (#2737)

* chore(main): release 2.13.0

* Update CHANGELOG.md

The change was rolled back

---------

Co-authored-by: release-please[bot] <55107282+release-please[bot]@users.noreply.github.com>
Co-authored-by: Wanlin Du <wanlindu@google.com>

Author: release-please[bot]

CHANGELOG.md

@@ -1,5 +1,21 @@
 # Changelog
 
+## [2.13.0](https://github.com/googleapis/python-genai/compare/v2.12.1...v2.13.0) (2026-07-21)
+
+
+### Features
+
+* A new field `custom_vocabulary` is added to message `.google.cloud.aiplatform.v1beta1.BidiGenerateContentSetup` ([4eeb1ad](https://github.com/googleapis/python-genai/commit/4eeb1ade8dedb9ccdabe00892d4ff2119b54a444))
+* Add model selector ([bf3dba4](https://github.com/googleapis/python-genai/commit/bf3dba460092d2f3af7a2b29abe2f0778ff8334d))
+* **interaction-api:** Add queued status to interaction proto ([87f1650](https://github.com/googleapis/python-genai/commit/87f1650e169a35cae45e415ad9b9c48e3e53f143))
+* Make ASR fields public in v1main and Interactions ([5b52faa](https://github.com/googleapis/python-genai/commit/5b52faaca37744c6a79b2bb37b3204229c445121))
+* Support mTLS in custom client using google auth mtls.get_default_ssl_context ([7270e6d](https://github.com/googleapis/python-genai/commit/7270e6d5c2854731e953fce04488fcf46bbb4c60))
+
+
+### Documentation
+
+* Regenerate docs for 2.11.0 and 2.12.0 ([dddd7c6](https://github.com/googleapis/python-genai/commit/dddd7c6a2e7b3f3eabcda4417ebb5fa1a0207526))
+
 ## [2.12.1](https://github.com/googleapis/python-genai/compare/v2.12.0...v2.12.1) (2026-07-16)
 
 

google/genai/version.py

@@ -13,4 +13,4 @@
 # limitations under the License.
 #
 
-__version__ = '2.12.1' # x-release-please-version
+__version__ = '2.13.0' # x-release-please-version

pyproject.toml

@@ -3,7 +3,7 @@ requires = ["setuptools", "wheel", "twine>=6.1.0", "packaging>=24.2", "pkginfo>=
 
 [project]
 name = "google-genai"
-version = "2.12.1"
+version = "2.13.0"
 description = "GenAI Python SDK"
 readme = "README.md"
 license = "Apache-2.0"