v3.10.20
bpo-37999: No longer use __int__ in implicit integer conversions. (GH-15636)
[3.10] gh-102027: Fix macro name (GH-102124) (#102917)
Issue #26798: Add BLAKE2 (blake2b and blake2s) to hashlib.
bpo-43908: Mark ssl, hash, and hmac types as immutable (GH-25792)
bpo-1635741: Port _blake2 module to multi-phase init (GH-21856)