Preparing release 3.5.4

Author: jamadden

CHANGES.rst

@@ -2,7 +2,7 @@
  Changes
 =========
 
-3.5.4 (unreleased)
+3.5.4 (2026-07-22)
 ==================
 
 - Fix a crash (segfault) on free-threaded builds of Python 3.14 and

src/greenlet/__init__.py

@@ -22,7 +22,7 @@
 ###
 # Metadata
 ###
-__version__ = '3.5.4.dev0'
+__version__ = '3.5.4'
 from ._greenlet import _C_API # pylint:disable=no-name-in-module
 
 ###