6.32.3

• Fix logging messages. See #2288 for details.

7.0.0-preview4

7.0.0-preview4

Bug fixes:

• Add nullables to the properties in WsFederationMessage. See issue #2240 for details.
• Fix regression where JsonWebToken.TryGetPayloadValue() was not compatible with dictionary types. See issue #2246 for details.
• Fix regression where dictionary claims added to SecurityTokenDescriptor.Claims are no longer correctly serialized. See issue #2245 for details.
• Fix regression with a Y2038 bug. See issue #2261 for details.
• Fix a regression where claims with multiple values are incorrectly serialized. See #2244 for details.

Performance improvements:

• Remove sync-over-async pattern with JsonWebTokens.ValidateToken, which when in the hot path can lead to threadpool starvation. See issue #2253 for details.
• Perf testing using brenchmark dotnet and crank, similar to aspnetcore, to better gauge requests per second perf impacts. See issue #2232 for details.
• Use optimistic synchronization in JsonWebToken.Audiences. See PR for details.
• Reduce allocations when enumerating over collections. See PR for details.

Documentation:

• Fix description for JWT X5tS256 field.

Fundamentals:

• Improvements to the build script to accommodate .NET's source-build requirements. See PR for details.

6.32.2

6.32.2

Bug fixes:

• Underlying JsonDocument is never disposed, causing high latency in large scale services. See #2258 for details.

7.0.0-preview3

7.0.0-preview3

Performance improvements:

• Replace Newtonsoft.Json with System.Text.Json, see #2233, and as a result, ASP.NET's JwtBearer auth handler will now be fully AOT compatible.

7.0.0-preview2

7.0.0-preview2

Performance improvements:

• Series of perf improvements in collaboration with ASP .NET Core DevDiv team, results in improvements from 280K Request per second (RPS) in 7.0.0-preview to 370K RPS in 7.0.0-preview2, with more improvements to come in later versions: #2195, #2194, #2193, #2192, #2190, #2188, #2184, #2181, #2180, #2178, #2175, #2172, #2171, #2170, #2169, #2168, #2167, #2166, #2164, #2162, #2161, #2160, #2159, #2158, #2221

• First increment in replacing newtonsoft with System.Text.Json, see #2174

• Reading and writing JsonWebKey and JsonWebKeySet types now use System.Text.Json.Utf8JsonReaders/Writers for serialization. Seee PR @2208 for details.

• Remove the use of Newtonsoft from OpenIdConnectConfiguration and OpenIdConnectMessage. See PR @2214 for details.

Engineering excellence:

• Fix casing Properties directory in updateAssemblyInfo.ps1 script see,
  #2189

• Add code coverage in ADO, see #2176

• Add codeQL scanning for compliance, see #2151

• Start adding support for Nullables, see #2139 and #2203.

6.32.1

• Fix thread safety for JsonClaimSet Claims and JsonWebToken Audiences. See #2185 for details.

7.1.0-preview

7.1.0-preview

Include IdentityModel 6.32.0 release updates, including AAD specific signing key issuer validator and fix perf regression.

6.32.0

New features:

• Adding an AAD specific signing key issuer validator. See issue #2134 for details.
• Better support for WsFederation (#2100)

Bug fixes

• Address perf regression introduced in 6.31.0 (#2131)

7.0.0-preview

7.0.0-preview

Join the 7x discussion and provide your feedback!

Relevant PRs for supporting .NET 8:
#2108
#2121
#2122

Remove net45, see #2123

JwtSecurityTokenConverter, see #2117

6.31.0

This release contains work from the following PRs and commits:

• Introduce ConfigurationValidationException(#2076)
• Disarm security artifacts(#2064)
• Throw SecurityTokenMalformedTokenException on malformed tokens(#2080)
• Add ClaimsMapping to JsonWebTokenHandler
  8e7f07e