googleapis/google-cloud-python google-auth-v2.56.3

google-auth: v2.56.3

on GitHub

2.56.3 (2026-08-06)

Bug Fixes

• auth: avoid creating mTLS SSL context for custom async transports (#17825) (fbe33f9), refs #17622
• auth: only trigger mTLS certificate rotation on mTLS endpoints (#17928) (f7b49ea)
• auth: properly extract stdout from gnubby webauthn plugin failures (#17885) (744e826)
• deduplicate x-goog-api-client headers (#17616) (6167e41)
• oauth2: avoid redundant JWKS network fetches (#17891) (de53298)

Performance Improvements

• auth: use generator expression in any() to allow short-circuiting (735e565)
• auth: use generator expression in any() to allow short-circuiting (#17937) (735e565)