Sourced from google-auth's releases.

google-auth 2.45.0

2.45.0 (2025-12-15)

Features

• Adding Agent Identity bound token support and handling certificate mismatches with retries (#1890) (b32c934e)

google-auth 2.44.0

2.44.0 (2025-12-12)

Features

• MDS connections use mTLS (#1856) (0387bb95)

• support Python 3.14 (#1822) (0f7097e7)

• add ecdsa p-384 support (#1872) (39c381a5)

• Add shlex to correctly parse executable commands with spaces (#1855) (cf6fc3cc)

• Implement token revocation in STS client and add revoke() metho… (#1849) (d5638986)

Bug Fixes

• Add temporary patch to workload cert logic to accomodate Cloud Run mis-configuration (#1880) (78de7907)

• Delegate workload cert and key default lookup to helper function (#1877) (b0993c7e)

• Use public refresh method for source credentials in ImpersonatedCredentials (#1884) (e0c3296f)

google-auth 2.43.0

2.43.0 (2025-11-05)

Features

• Add public wrapper for _mtls_helper.check_use_client_cert which enables mTLS if GOOGLE_API_USE_CLIENT_CERTIFICATE is not set, when the MWID/X.509 cert sources detected (#1859) (1535eccb)

• Enable mTLS if GOOGLE_API_USE_CLIENT_CERTIFICATE is not set, if the MWID/X.509 cert sources detected (#1848) (395e405b)

• onboard google-auth to librarian (#1838) (c503eaa5)

v2.42.1

2.42.1 (2025-10-30)

Bug Fixes

• Catch ValueError for json.loads() (#1842) (b074cad)

v2.42.0

... (truncated)

Sourced from google-auth's changelog.

2.45.0 (2025-12-15)

Features

• Adding Agent Identity bound token support and handling certificate mismatches with retries (#1890) (b32c934e6b0d09b94c467cd432a0a635e8b05f5c)

2.44.0 (2025-12-13)

Features

• support Python 3.14 (#1822) (0f7097e78f247665b6ef0287d482033f7be2ed6d)
• add ecdsa p-384 support (#1872) (39c381a5f6881b590025f36d333d12eff8dc60fc)
• MDS connections use mTLS (#1856) (0387bb95713653d47e846cad3a010eb55ef2db4c)
• Implement token revocation in STS client and add revoke() metho… (#1849) (d5638986ca03ee95bfffa9ad821124ed7e903e63)
• Add shlex to correctly parse executable commands with spaces (#1855) (cf6fc3cced78bc1362a7fe596c32ebc9ce03c26b)

Bug Fixes

• Use public refresh method for source credentials in ImpersonatedCredentials (#1884) (e0c3296f471747258f6d98d2d9bfde636358ecde)
• Add temporary patch to workload cert logic to accomodate Cloud Run mis-configuration (#1880) (78de7907b8bdb7b5510e3c6fa8a3f3721e2436d7)
• Delegate workload cert and key default lookup to helper function (#1877) (b0993c7edaba505d0fb0628af28760c43034c959)

2.43.0 (2025-11-05)

Features

• Add public wrapper for _mtls_helper.check_use_client_cert which enables mTLS if GOOGLE_API_USE_CLIENT_CERTIFICATE is not set, when the MWID/X.509 cert sources detected (#1859) Add public wrapper for check_use_client_cert which enables mTLS if GOOGLE_API_USE_CLIENT_CERTIFICATE is not set, when the MWID/X.509 cert sources detected. Also, fix check_use_client_cert to return boolean value. Change #1848 added the check_use_client_cert method that helps know if client cert should be used for mTLS connection. However, that was in a private class, thus, created a public wrapper of the same function so that it can be used by python Client Libraries. Also, updated check_use_client_cert to return a boolean value instead of existing string value for better readability and future scope. --------- (1535eccbff0ad8f3fd6a9775316ac8b77dca66ba)
• Enable mTLS if GOOGLE_API_USE_CLIENT_CERTIFICATE is not set, if the MWID/X.509 cert sources detected (#1848) The Python SDK will use a hybrid approach for mTLS enablement:

• If the GOOGLE_API_USE_CLIENT_CERTIFICATE environment variable is set (either true or false), the SDK will respect that setting. This is necessary for test scenarios and users who need to explicitly control mTLS behavior.
• If the GOOGLE_API_USE_CLIENT_CERTIFICATE environment variable is not set, the SDK will automatically enable mTLS only if it detects Managed Workload Identity (MWID) or X.509 Workforce Identity Federation (WIF) certificate sources. In other cases where the variable is not set, mTLS

... (truncated)

• 08fabf7 chore: librarian release pull request: 20251215T132028Z (#1891)
• b32c934 feat: Adding Agent Identity bound token support and handling certificate mism...
• 262eb9e chore: librarian release pull request: 20251212T161150Z (#1888)
• 0f7097e feat: support Python 3.14 (#1822)
• e0c3296 fix(auth): Use public refresh method for source credentials in ImpersonatedCr...
• 78de790 fix(auth): Add temporary patch to workload cert logic to accomodate Cloud Run...
• 3e8a566 chore(tests): allow expired secret in system tests (#1883)
• b0993c7 fix(auth): Delegate workload cert and key default lookup to helper function (...
• 2c374d3 chore: update secret (#1879)
• 39c381a feat: add ecdsa p-384 support (#1872)
• Additional commits viewable in compare view

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