v3.10.20
bpo-30555: Fix WindowsConsoleIO fails in the presence of fd redirection (GH-1927)
gh-83004: Clean up refleak in _io initialisation (GH-98840)
bpo-42208: Add _Py_GetLocaleEncoding() (GH-23050)
gh-84461: Silence some compiler warnings on WASM (GH-93978) (#94025)
bpo-40268: Remove unused structmember.h includes (GH-19530)
bpo-38031: Fix a possible assertion failure in _io.FileIO() (GH-GH-5688)
bpo-25415: Remove confusing sentence from IOBase docstrings (PR-31631)
[3.10] bpo-31718: Fix io.IncrementalNewlineDecoder SystemErrors and s… (#99842)
gh-82052: Don't send partial UTF-8 sequences to the Windows API (GH-101103)