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Bump Microsoft.Identity.Client from 4.79.0 to 4.90.0 - #4

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Bump Microsoft.Identity.Client from 4.79.0 to 4.90.0#4
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Updated Microsoft.Identity.Client from 4.79.0 to 4.90.0.

Release notes

Sourced from Microsoft.Identity.Client's releases.

4.90.0

Changes

  • Updated the KeyGuardAttestation package version to 1.1.7. #​6189

4.89.0

What's Changed

New Contributors

Full Changelog: AzureAD/microsoft-authentication-library-for-dotnet@4.88.0...4.89.0

4.88.0

New Features

  • Added user-assigned managed identity support for Azure Arc, including selecting the identity by client ID and validating the identity returned in the token response. #​6128
  • Added WithRequestOverMtls() to managed identity token requests, enabling attested bearer-token acquisition over the IMDSv2 mTLS transport. #​6086

Bug Fixes

  • Fixed token-cache key collisions by length-prefixing additional cache-key components before hashing. #​6137
  • Populated authentication-result telemetry metadata on proactive background-refresh results. #​6157
  • Fixed mTLS PoP authority validation incorrectly rejecting sovereign-cloud aliases such as login.chinacloudapi.cn and login.usgovcloudapi.net. #​6153

4.87.0

What's Changed

  • Expose MsalServiceException.ErrorCodesForLogging for diagnostics in #​6138
  • Expose WithOtelTagsEnricher for managed identity requests in #​6144
  • Forward OpenTelemetry tags enricher to the client-assertion callback in #​6142
  • Add client-side opaque-token log scrubber in #​6119
  • Populate ExecutionResult.Exception for non-MSAL failures in #​6139
  • Use PSS padding in KeyGuard liveness probe (CodeQL SM03799) in #​6141
  • Remove managed identity support from WithClaimsFromClient (confidential-client only) in #​6113
  • Remove experimental features from client setup in #​6143
  • Update Azure Arc managed identity API version from 2019-11-01 to 2020-06-01 in #​6130

Full Changelog: AzureAD/microsoft-authentication-library-for-dotnet@4.86.1...4.87.0

4.86.1

Bug Fixes

  • Fixed the mTLS Proof-of-Possession token cache to key on the certificate's full DER (x5t#S256) instead of only the public key, preventing a stale token (and AADSTS500181) after a same-key certificate renewal. #​6123
  • Fell back to RS256 when a certificate's PSS signing operation is rejected by RSACryptoServiceProvider, rebuilding the client assertion so authentication can proceed. #​6126
  • Detect and reject symbolic links in the Unix cache-file write path (lstat pre-check plus O_NOFOLLOW), closing a TOCTOU window. #​6115
  • Corrected misleading "region required" error messages and doc comments in the mTLS PoP flow. #​6127

4.86.0

What's Changed

Full Changelog: AzureAD/microsoft-authentication-library-for-dotnet@4.85.2...4.86.0

4.85.2

What's Changed

Full Changelog: AzureAD/microsoft-authentication-library-for-dotnet@4.85.1...4.85.2

4.85.1

What's Changed

Full Changelog: AzureAD/microsoft-authentication-library-for-dotnet@4.85.0...4.85.1

4.85.0

What's Changed

New Contributors

Full Changelog: AzureAD/microsoft-authentication-library-for-dotnet@4.84.2...4.85.0

4.84.2

New Features

  • Added ManagedIdentityApplication.GetManagedIdentityCapabilitiesAsync(CancellationToken) returning a ManagedIdentityCapabilities object that reports the detected managed identity Source, the host's MaxSupportedBindingStrength (new MtlsBindingStrength enum: None, Software, KeyGuard), and a derived IsMtlsPopSupportedByHost. Replaces GetManagedIdentitySourceAsync()/ManagedIdentitySourceResult. The public ManagedIdentitySource.ImdsV2 value is folded into Imds (v1/v2 routing remains internal). #​6049
  • Added OID-based user identification to the User Federated Identity Credential (user_fic) flow via AcquireTokenByUserFederatedIdentityCredential(scopes, Guid userObjectId, assertion). #​6050
  • Added WithClaimsFromClient(claimsJson) to forward client-originated claims across managed identity and confidential client flows. #​5999
  • Added mTLS PoP support for WithCertificate(() => x509) (dynamic certificate credential). #​5957
  • Added opt-in token-acquisition metrics covering both successful and failed attempts. #​6004

Changes

  • Extended mTLS bearer transport (CertificateOptions.SendCertificateOverMtls) to the OBO, refresh-token, and authorization-code flows. #​6009
  • General Availability of the Microsoft.Identity.Client.KeyAttestation package. #​6038
  • Managed identity now probes IMDSv2 first and the preview latch was removed. #​6041
  • Updated NativeInterop baseline and corrected devapp version ranges. #​6045
  • Simplified GetTenantedAuthority in CiamAuthority and DstsAuthority. #​6001

Bug Fixes

  • Fixed WithExtraQueryParameters on ManagedIdentityApplicationBuilder bypassing token caching. #​6035
  • Guarded HTTP status codes on discovery endpoints in KnownInstanceMetadataIsUpToDateAsync. #​6048
  • Detect orphaned KeyGuard certificates via public-key modulus comparison. #​6020

4.84.1

What's Changed

New Features

  • Added WithReservedScopes and WithCachePartitionKey public API extensions in #​6014
  • Added IAuthenticationOperation3 interface for CDT + mTLS PoP composition in #​5996
  • Added MsalRemainingTokenLifetime histogram metric for token expiry tracking in #​5920

Changes

  • Removed [Obsolete] attribute from WithExtraBodyParameters extension method in #​6006
  • Replaced ConcurrentHashSet with ConcurrentDictionary<T, byte> in #​5975

Bug Fixes

  • Fixed WithTenantId not honoring MSA tenant GUID when specified at request level in #​5958
  • Fixed OBO cache returning multiple_matching_tokens_detected when attributed tokens share a partition in #​5993

Full Changelog: AzureAD/microsoft-authentication-library-for-dotnet@6ff7075...main (AzureAD/microsoft-authentication-library-for-dotnet@6ff7075...main)

4.84.0

What's Changed

New Features

  • Remove embedded Newtonsoft.Json, migrate to System.Text.Json exclusively in #​5959
  • Expose refresh token via extension and add CacheOptions.DisableInternalCache in #​5947
  • Added support for WithAttributeTokens in #​5888
  • Feature: mTLS Bearer via CertificateOptions.SendCertificateOverMtls in #​5849
  • Remove experimental feature gate from WithClientAssertion(ClientSignedAssertion) overload in #​5945
  • Support forwarding MSAL client metadata headers through IMDS to ESTS in #​5912
  • Add CorrelationId to AssertionRequestOptions for FIC in #​5937
  • Add raw STS error code to MsalFailure metric in #​5961

Bug Fixes

  • Fix: make System.ValueTuple conditional on net462 only in #​5906
  • Fix eager evaluation in ConcurrentDictionary.GetOrAdd calls in #​5950
  • Validate clientSignedAssertionProvider delegate is non-null in WithClientAssertion in #​5956
  • Improve MtlsPopTokenNotSupportedInImdsV1 error message clarity in #​5908
  • Added more checks for issuer validation in #​5931

Improvements

  • Remove region as hard requirement for mTLS PoP flows in #​5902
  • Add in-process MAA token caching to PopKeyAttestor in #​5887
  • Refactor client credential material resolution in #​5835

Dependencies Updates

  • Bump OpenTelemetry version in #​5960

Full Changelog: AzureAD/microsoft-authentication-library-for-dotnet@4.83.3...cb59f84 (AzureAD/microsoft-authentication-library-for-dotnet@4.83.3...cb59f84)

4.83.3

New Features

  • Added support for User Federated Identity Credential (UserFIC) scenarios through the IByUserFederatedIdentityCredential interface and user_fic grant type. #​5802

Changes

  • Updated NativeInterop to version 0.20.3. #​5866

Bug Fixes

  • Fixed response handling in HttpListenerInterceptor.cs to ensure the full response is properly closed. #​5478
  • Fixed macOS detection to include maccatalyst target in desktop platform checks.#​5882

Infrastructure & Dependencies

  • Extracted reusable MSAL test infrastructure into Microsoft.Identity.Lab.API. #​5864

4.83.1

Bug Fixes

4.83.0

New Features

  • Agent Skills: Added Agent Skills catalog with complete coverage of both Confidential Client Authentication and mTLS PoP flows #​5733
  • mTLS PoP Skills Guide: Added comprehensive guide for GitHub Copilot Chat covering MSAL.NET authentication, mTLS Proof of Possession, and Federated Identity Credentials #​5790

Changes

  • Credential Guard Attestation: Integrated native DLL handling for Credential Guard attestation with centralized versioning #​5674

Bug Fixes

  • IMDSv2 mTLS Auto-Recovery: Implemented automatic recovery from SCHANNEL handshake failures by evicting cached certificates and re-minting #​5761
  • Managed Identity Fallback Behavior: Restored classic fallback behavior in MSAL MI unless GetManagedIdentitySourceAsync() is explicitly invoked #​5815
  • Attestation Token Expiration: Exposed expires_on field in attestation tokens for better token lifecycle management #​5741
  • Service Fabric API Version: Updated Service Fabric managed identity API version from 2019-07-01-preview to 2020-05-01 #​5781
  • Cached Token Validation: Enhanced ValidateCachedTokenAsync to work properly with multiple APIs beyond the initial scope #​5764
  • Client Credentials Tenant ID: Updated result to properly pass tenant ID in client credentials flow #​5754
  • Experimental Flag Removal: Removed experimental flag requirement from IAuthenticationOperation and WithAuthenticationExtension #​5699
  • OpenTelemetry Exception Handling: Expanded OTel exception handling for Azure Functions compatibility #​5720
  • ICustomWebUi Security Warning: Added security warnings to ICustomWebUi documentation #​5704

Infrastructure & Dependencies

  • GitHub Actions Workflow: Added GitHub Actions workflow for Managed Identity WebAPI automated build and deployment to Azure #​5751
  • .NET SDK Security Update: Updated .NET SDK from version 8.0.415 to 8.0.418 to address high severity security vulnerabilities #​5779 #​5783

4.82.1

Bug Fixes

  • Remove experimental flag requirement from IAuthenticationOperation #​5699
  • Add security warning to ICustomWebUi documentation #​5704

Changes

  • Adds support for implicit mTLS (Mutual TLS) transport for client assertion delegates #​5670

4.82.0

4.82.0

Highlights

This release expands extensibility for confidential-client authentication (certificates + client assertions), adds additional sovereign cloud environments, and hardens security-sensitive flows (mTLS PoP and system browser auth) with clearer validation and safer defaults.

Features

  • Certificate-based confidential client extensibility: Introduced CertificateOptions and updated WithCertificate extensibility APIs to accept it, including support for passing sendX5C configuration through the options model. (#​5655)
  • Sovereign cloud support: Added instance discovery / authority validation support for Bleu (France), Delos (Germany), and GovSG (Singapore) cloud environments. (#​5671)
  • Client assertion customization: Added WithExtraClientAssertionClaims on AcquireTokenForClientParameterBuilder to enable supplying additional signed claims in client assertions (intended for advanced scenarios and higher-level libraries). (#​5650)
  • mTLS PoP guardrails: Added validation and explicit error handling when mTLS PoP is requested for unsupported environments and/or non-login.* hosts. (#​5684)
  • System browser hardening: Added response_mode=form_post support for the default system browser (loopback) flow. MSAL will enforce form_post and process the authorization response from POST data. (#​5678)

Changes

  • Key Attestation packaging rename: Microsoft.Identity.Client.MtlsPop renamed to Microsoft.Identity.Client.KeyAttestation (assembly/package naming update). (#​5653)

4.81.0

What's Changed

Full Changelog: AzureAD/microsoft-authentication-library-for-dotnet@4.80.0...4.81.0

4.80.0

Features

  • Added extensibility APIs—WithCertificate, OnMsalServiceFailure, and OnCompletion—to enable callback handling for certificate injection, retry on MSAL service failure events, and completion notifications #​5573
  • Extend IAuthenticationOperation interface with Async methods in IAuthenticationOperation2 #​5376
  • Enable IAuthenticationOperation2 to reject MSAL cached tokens and fetch new ones from ESTS #​5567

Changes

  • IMDS Source Detection Logic Improvement #​5602
  • Update DesktopOsHelper.IsMac to work properly on .NET 10 + macOS 26 #​5541

Bug Fixes

  • Fix KeyNotFoundException during retry when headers lack correlation ID #​5617
  • Implement Service Exception for IMDS Probe #​5615

4.79.2

What's Changed

Full Changelog: AzureAD/microsoft-authentication-library-for-dotnet@4.79.0...4.79.2

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@dependabot
Bump Microsoft.Identity.Client from 4.79.0 to 4.90.0
97af51e 
---
updated-dependencies:
- dependency-name: Microsoft.Identity.Client
  dependency-version: 4.90.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
@dependabot dependabot Bot added .NET Pull requests that update .NET code dependencies Pull requests that update a dependency file labels Sep 17, 2026
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dependabot Bot commented on behalf of github Sep 17, 2026

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Superseded by #5.

@dependabot dependabot Bot closed this Sep 17, 2026
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dependabot Bot deleted the dependabot/nuget/src/DataverseDuck/Microsoft.Identity.Client-4.90.0 branch September 17, 2026 19:53
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