v8.20.0

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Performance Improvements

• Add JsonWebToken header-replacement path to avoid re-parsing payload. See PR #​3552.
• Add claims dictionary preallocation. See PR #​3542.

Bug Fixes

• Fix CI build failures: remove unused log message and add missing DPoP API entries. See PR #​3551.

Full Changelog: AzureAD/azure-activedirectory-identitymodel-extensions-for-dotnet@8.19.2...8.20.0

v8.19.2

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What's Changed

• Improve serializer and JWE key unwrap handling by @​iNinja in #​3544

Full Changelog: AzureAD/azure-activedirectory-identitymodel-extensions-for-dotnet@8.19.1...8.19.2

v8.19.1

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====

Bug Fixes

• Update JwtSecurityTokenHandler for IssuerSigningKeyResolverUsingConfiguration to take priority over IssuerSigningKeyResolver, matching the documented contract and the correct behavior already present in JsonWebTokenHandler. See PR #​3519.

v8.19.0

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====

New Features

• Add ML-DSA (FIPS 204) post-quantum signature support. See PR #​3479.
• Cache custom crypto providers in CryptoProviderFactory. See PR #​3489.

Bug Fixes

• Disable automatic redirects on default HttpClient for JKU retrieval. See PR #​3494.
• Adjust rented buffer handling in claim set parsing. See PR #​3493.
• Tidy null handling in SAML conditions validation. See PR #​3491.
• Improve validation of jku claim. See PR #​3481.
• Limit telemetry algorithm dimension cardinality. See PR #​3490.
• Add defensive copy of collections in ValidationParameters. See PR #​3492.
• Update TokenValidationParameter copy constructor to make a deep copy. See PR #​3488.
• Update to fail-closed when replay protection isn't configured and other DPoP hardening. See PR #​3505.
• Apply RFC 3986 section 6.2.2 normalization to DPoP htu comparison. See PR #​3509.