Gemma 4 pypi release

PiperOrigin-RevId: 901469993

Author: MayankChaturvedi

CHANGELOG.md

@@ -23,9 +23,14 @@ To release a new version (e.g. from `1.0.0` -> `2.0.0`):
 
 ## [Unreleased]
 
+## [4.0.0] - 2026-04-17
+
+* Add Gemma 4.
+
 ## [1.0.0] - 2022-01-01
 
 * Initial release
 
-[Unreleased]: https://github.com/google-deepmind/gemma/compare/v0.1.0...HEAD
+[Unreleased]: https://github.com/google-deepmind/gemma/compare/v4.0.0...HEAD
+[4.0.0]: https://github.com/google-deepmind/gemma/compare/v0.1.0...v4.0.0
 [1.0.0]: https://github.com/google-deepmind/gemma/releases/tag/v0.1.0

gemma/__init__.py

@@ -16,7 +16,7 @@
 
 # A new PyPI release will be pushed every time `__version__` is increased.
 # When changing this, also update the CHANGELOG.md.
-__version__ = '3.3.0'
+__version__ = '4.0.0'
 
 
 def __getattr__(name: str):  # pylint: disable=invalid-name