Agent Framework Files

What's Changed

• .NET: fix: race concdition in workflow formula state by @baywet in https://github.com/microsoft/agent-framework/pull/8252
• .NET: update remaining dependencies by @baywet in https://github.com/microsoft/agent-framework/pull/8307
• .NET: fix: inspect for delemiter value before adding headers by @baywet in https://github.com/microsoft/agent-framework/pull/8301
• docs: fix 'availble' typo in ADR 0001 by @mrchatam in https://github.com/microsoft/agent-framework/pull/8325
• .NET: docs: use 'a FunctionApprovalRequestContent' in ADR 0006 by @mrchatam in https://github.com/microsoft/agent-framework/pull/8322
• .NET: docs: fix 'valueable' typo in ADR 0001 by @mrchatam in https://github.com/microsoft/agent-framework/pull/8318
• .NET: docs: remove duplicate 'turns' in ADR 0006 by @mrchatam in https://github.com/microsoft/agent-framework/pull/8317
• .NET: docs: fix 'extention' typo in ADR 0001 by @mrchatam in https://github.com/microsoft/agent-framework/pull/8316
• docs: fix 'allow to' grammar in ADR 0011 by @mrchatam in https://github.com/microsoft/agent-framework/pull/8335
• Improve issue triage by @moonbox3 in https://github.com/microsoft/agent-framework/pull/8362
• .NET: expose OpenTelemetryAgent.DefaultSourceName by @YashvantHange in https://github.com/microsoft/agent-framework/pull/7815
• .NET: Temporarily skip flaky steering harness session reuse test by @rogerbarreto with @Copilot in https://github.com/microsoft/agent-framework/pull/8377
• .NET: [PREVIEW BREAKING] Promote AgentSessionStore into Agents.AI.Abstractions by @rogerbarreto in https://github.com/microsoft/agent-framework/pull/7991
• .NET: Preserve hosted session key boundaries by @Ricky-7-Yan in https://github.com/microsoft/agent-framework/pull/8263
• .NET: Preserve cached and reasoning token counts in Foundry Hosting by @manjunathshiva in https://github.com/microsoft/agent-framework/pull/8334
• .NET: [BREAKING] Improve replay support with Approval Binding by @westey-m in https://github.com/microsoft/agent-framework/pull/8375
• .NET: fix: uri canonization in workflow http handler by @baywet in https://github.com/microsoft/agent-framework/pull/8406
• .NET: tests(workflows): adds a regression test for cookie jar handling in redirection by @baywet in https://github.com/microsoft/agent-framework/pull/8427
• .NET: Add AsIChatClient extension to expose an AIAgent as an IChatClient by @tomas-rampas in https://github.com/microsoft/agent-framework/pull/7687
• .NET/Python: Refine skill frontmatter parsing by @SergeyMenshykh in https://github.com/microsoft/agent-framework/pull/8430
• .NET/Python: Add more content types to purview handling by @westey-m in https://github.com/microsoft/agent-framework/pull/8370
• .NET: [BREAKING] Scope provider-backed MCP sessions per invocation by @jpalvarezl in https://github.com/microsoft/agent-framework/pull/8425
• .NET: Add per-tool AgentModeProvider controls by @westey-m in https://github.com/microsoft/agent-framework/pull/8458
• .NET: Clarify Agent Skills caching behavior by @SergeyMenshykh in https://github.com/microsoft/agent-framework/pull/8474
• ci: excludes samples from dotnet dependabot because they are causing a timeout by @baywet in https://github.com/microsoft/agent-framework/pull/8476
• docs: clarifies the additional languages policy by @baywet in https://github.com/microsoft/agent-framework/pull/8477
• .NET: [BREAKING] Make Foundry delegated user identity sticky on AgentSession by @rogerbarreto in https://github.com/microsoft/agent-framework/pull/8434
• Build(deps): Bump astral-sh/setup-uv from 10.0.1 to 10.1.0 by @dependabot[bot] in https://github.com/microsoft/agent-framework/pull/8482
• Build(deps): Bump azure/login from 3.0.2 to 3.1.0 in /.github/actions/github-app-token by @dependabot[bot] in https://github.com/microsoft/agent-framework/pull/8483
• Build(deps): Bump astral-sh/setup-uv from 10.0.1 to 10.1.0 in /.github/actions/python-setup by @dependabot[bot] in https://github.com/microsoft/agent-framework/pull/8484
• Build(deps): Bump azure/login from 3.0.2 to 3.1.0 in /.github/actions/sample-validation-setup by @dependabot[bot] in https://github.com/microsoft/agent-framework/pull/8485
• Build(deps): Bump the codeql-actions group across 1 directory with 3 updates by @dependabot[bot] in https://github.com/microsoft/agent-framework/pull/8480
• Build(deps): Bump azure/login from 3.0.2 to 3.1.0 by @dependabot[bot] in https://github.com/microsoft/agent-framework/pull/8481
• Build(deps-dev): Bump uv from 0.12.9 to 0.12.12 in /python/packages/lab in the basics group across 1 directory by @dependabot[bot] in https://github.com/microsoft/agent-framework/pull/8469
• Build(deps-dev): Bump pyright from 1.1.411 to 1.1.414 in /python/packages/lab in the python-type-checkers group across 1 directory by @dependabot[bot] in https://github.com/microsoft/agent-framework/pull/8470
• .NET: Bind always approval responses to surfaced requests by @westey-m in https://github.com/microsoft/agent-framework/pull/8432
• [BREAKING] Python: Add request-scoped Foundry agent factories by @rogerbarreto in https://github.com/microsoft/agent-framework/pull/8372
• .NET: Preserve harness middleware for dynamic tools by @rogerbarreto in https://github.com/microsoft/agent-framework/pull/8402
• .NET: 2026-09-18 Release version bump by @westey-m in https://github.com/microsoft/agent-framework/pull/8529
• .NET: Pass ChatClientAgent tools per run only rather than setting on FICC by @westey-m in https://github.com/microsoft/agent-framework/pull/8531

New Contributors

• @mrchatam made their first contribution in https://github.com/microsoft/agent-framework/pull/8325
• @Shy7777 made their first contribution in https://github.com/microsoft/agent-framework/pull/8331
• @ktz03 made their first contribution in https://github.com/microsoft/agent-framework/pull/8149
• @ManoharPaturi made their first contribution in https://github.com/microsoft/agent-framework/pull/8351
• @HeZ2z made their first contribution in https://github.com/microsoft/agent-framework/pull/7999
• @fzfzzfzzzfzzzz made their first contribution in https://github.com/microsoft/agent-framework/pull/8260
• @googio made their first contribution in https://github.com/microsoft/agent-framework/pull/8319
• @rksharma-owg made their first contribution in https://github.com/microsoft/agent-framework/pull/8347
• @alanhuangyoo made their first contribution in https://github.com/microsoft/agent-framework/pull/8358
• @harsheet-shah made their first contribution in https://github.com/microsoft/agent-framework/pull/8363
• @Saibernard made their first contribution in https://github.com/microsoft/agent-framework/pull/7874
• @anishmehta24 made their first contribution in https://github.com/microsoft/agent-framework/pull/8405
• @tomas-rampas made their first contribution in https://github.com/microsoft/agent-framework/pull/7687
• @vedantsonkar made their first contribution in https://github.com/microsoft/agent-framework/pull/8117
• @1aifanatic made their first contribution in https://github.com/microsoft/agent-framework/pull/8231
• @Lubaoshuai made their first contribution in https://github.com/microsoft/agent-framework/pull/8354

Full Changelog: https://github.com/microsoft/agent-framework/compare/dotnet-1.21.0...dotnet-1.22.0