Merge pull request #5958 from Textualize/bump4.0.0

Bump 4.0.0

Author: willmcgugan

CHANGELOG.md

@@ -6,7 +6,7 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
 
-## Unreleased
+## [4.0.0] - 2025-07-12
 
 ### Fixed
 
@@ -2979,6 +2979,7 @@ https://textual.textualize.io/blog/2022/11/08/version-040/#version-040
 - New handler system for messages that doesn't require inheritance
 - Improved traceback handling
 
+[4.0.0]: https://github.com/Textualize/textual/compare/v3.7.1...v4.0.0
 [3.7.1]: https://github.com/Textualize/textual/compare/v3.7.0...v3.7.1
 [3.7.0]: https://github.com/Textualize/textual/compare/v3.6.0...v3.7.0
 [3.6.0]: https://github.com/Textualize/textual/compare/v3.5.0...v3.6.0

pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "textual"
-version = "3.7.1"
+version = "4.0.0"
 homepage = "https://github.com/Textualize/textual"
 repository = "https://github.com/Textualize/textual"
 documentation = "https://textual.textualize.io/"