Core and Builtins
-----------------
-- Issue #24917: time_strftime() Buffer Over-read. Patch by John Leitch.
-
- Issue #24912: Prevent __class__ assignment to immutable built-in objects.
- Issue #24975: Fix AST compilation for PEP 448 syntax.
Library
-------
+- Issue #24917: time_strftime() Buffer Over-read. Patch by John Leitch.
+
- Issue #24635: Fixed a bug in typing.py where isinstance([], typing.Iterable)
would return True once, then False on subsequent calls.