[dependabot]

Updated Microsoft.Agents.AI.Abstractions from 1.13.0 to 1.22.0.

Release notes

Sourced from Microsoft.Agents.AI.Abstractions's releases.

1.22.0

What's Changed

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

New Contributors

• @​mrchatam made their first contribution in docs: fix 'availble' typo in ADR 0001 microsoft/agent-framework#8325
• @​Shy7777 made their first contribution in Python: await Task and Future sources in ResponseStream microsoft/agent-framework#8331
• @​ktz03 made their first contribution in Python: fix(ag-ui): dedupe client-replayed transcripts on resume microsoft/agent-framework#8149
• @​ManoharPaturi made their first contribution in Python: handle Literal annotations in is_instance_of microsoft/agent-framework#8351
• @​HeZ2z made their first contribution in Python: preserve response update metadata in WorkflowAgent forwarding microsoft/agent-framework#7999
• @​fzfzzfzzzfzzzz made their first contribution in Python: make declarative YAML path loading UTF-8 and async-safe microsoft/agent-framework#8260
• @​googio made their first contribution in Python: document keyed web search with Serply MCP microsoft/agent-framework#8319
  ... (truncated)

1.21.0

What's Changed

• .NET: Replace deprecated AWSSDK.Extensions.Bedrock.MEAI with AWS.Bedrock.MEAI by @​BenGearset in .NET: Replace deprecated AWSSDK.Extensions.Bedrock.MEAI with AWS.Bedrock.MEAI microsoft/agent-framework#7983
• .NET: Remove Azure.AI.OpenAI dependency by @​rogerbarreto in .NET: Remove Azure.AI.OpenAI dependency microsoft/agent-framework#7986
• .NET: Track and update A2A task state by @​SergeyMenshykh in .NET: Track and update A2A task state microsoft/agent-framework#7998
• .NET: Update Azure AI Projects to 3.0.0 beta 1 by @​rogerbarreto in .NET: Update Azure AI Projects to 3.0.0 beta 1 microsoft/agent-framework#7995
• .NET: Bump Aspire.Hosting from 13.5.2 to 13.5.3 by @​dependabot[bot] in .NET: Bump Aspire.Hosting from 13.5.2 to 13.5.3 microsoft/agent-framework#8029
• .NET: [BREAKING] Add file_access_read_lines and move the line-numbering contract onto AgentFileStore by @​antsok in .NET: [BREAKING] Add file_access_read_lines and move the line-numbering contract onto AgentFileStore microsoft/agent-framework#7671
• Bump Anthropic from 12.42.0 to 12.43.0 by @​dependabot[bot] in Bump Anthropic from 12.42.0 to 12.43.0 microsoft/agent-framework#8028
• .NET: Bump AgentMemory.AgentFramework from 1.4.1 to 1.5.0 by @​dependabot[bot] in .NET: Bump AgentMemory.AgentFramework from 1.4.1 to 1.5.0 microsoft/agent-framework#8027
• .NET: [BREAKING] Clarify A2A agent run modes by @​SergeyMenshykh in .NET: [BREAKING] Clarify A2A agent run modes microsoft/agent-framework#8032
• .NET: Clarify declarative workflow input serialization by @​UniversePeak in .NET: Clarify declarative workflow input serialization microsoft/agent-framework#8046
• .NET: Preserve streamed annotations in Foundry hosted responses by @​rogerbarreto in .NET: Preserve streamed annotations in Foundry hosted responses microsoft/agent-framework#7984
• .NET: Improve Hosted Agent LRA Resilient Recovery Sample by @​rogerbarreto in .NET: Improve Hosted Agent LRA Resilient Recovery Sample microsoft/agent-framework#8082
• .NET: Include workflow outputs in hosted agent responses by @​UniversePeak in .NET: Include workflow outputs in hosted agent responses microsoft/agent-framework#8020
• .NET: Improve inline skill argument error guidance by @​SergeyMenshykh in .NET: Improve inline skill argument error guidance microsoft/agent-framework#8118
• .NET: Bump Azure.Monitor.OpenTelemetry.Exporter from 1.5.0 to 1.8.3 by @​dependabot[bot] in .NET: Bump Azure.Monitor.OpenTelemetry.Exporter from 1.5.0 to 1.8.3 microsoft/agent-framework#7887
• [BREAKING] .NET: Isolate LocalCodeAct subprocess environment by @​eavanvalkenburg in [BREAKING] .NET: Isolate LocalCodeAct subprocess environment microsoft/agent-framework#8159
• .NET: Scope OpenAI hosting storage by isolation key by @​SergeyMenshykh in .NET: Scope OpenAI hosting storage by isolation key microsoft/agent-framework#8146
• .NET: chore: updates source link dependency due to transitive vulnerability by @​baywet in .NET: chore: updates source link dependency due to transitive vulnerability microsoft/agent-framework#8179
• .NET: chore: updates Microsoft owned testing dependencies by @​baywet in .NET: chore: updates Microsoft owned testing dependencies microsoft/agent-framework#8167
• .NET: ci: update Microsoft.CodeAnalysis.NetAnalyzers and Microsoft.VisualStudio.Threading.Analyzers versions by @​baywet in .NET: ci: update Microsoft.CodeAnalysis.NetAnalyzers and Microsoft.VisualStudio.Threading.Analyzers versions microsoft/agent-framework#8166
• .NET: chore: updates microsoft extensions and related packages to their latest version, as well as global.json dotnet sdk version to align by @​baywet in .NET: chore: updates microsoft extensions and related packages to their latest version, as well as global.json dotnet sdk version to align microsoft/agent-framework#8190
• .NET: Bump Azure.AI.Projects to 3.0.0-beta.2 by @​rogerbarreto in .NET: Bump Azure.AI.Projects to 3.0.0-beta.2 microsoft/agent-framework#8165
• .NET: fix: revalidate file skill paths before use by @​SergeyMenshykh in .NET: fix: revalidate file skill paths before use microsoft/agent-framework#8151
• .NET: Opt in to client function forwarding for Responses hosting by @​rogerbarreto with @​Copilot in .NET: Opt in to client function forwarding for Responses hosting microsoft/agent-framework#7844
• .NET: chore: updates additional analyzers packages by @​baywet in .NET: chore: updates additional analyzers packages microsoft/agent-framework#8198
• .NET: Harden LocalCodeAct OS validation by @​eavanvalkenburg in .NET: Harden LocalCodeAct OS validation microsoft/agent-framework#8239
• .NET: upgrades xunit and other dependencies by @​baywet in .NET: upgrades xunit and other dependencies microsoft/agent-framework#8202
• .NET: ci/promote removed apis by @​baywet in .NET: ci/promote removed apis microsoft/agent-framework#8229
• .NET: fix: do not forward headers on redirect by @​baywet in .NET: fix: do not forward headers on redirect microsoft/agent-framework#8164
• .NET: updates open telemetry deps by @​baywet in .NET: updates open telemetry deps microsoft/agent-framework#8253
• .NET: Dotnet: reset $LASTEXITCODE per command in persistent PowerShell sessions by @​westey-m in .NET: Dotnet: reset $LASTEXITCODE per command in persistent PowerShell sessions microsoft/agent-framework#8259
• .NET: Implement same approval process for LocalCodeAct as is used by Hyperlight by @​westey-m in .NET: Implement same approval process for LocalCodeAct as is used by Hyperlight microsoft/agent-framework#8289
• .NET: Add Foundry hosted session client samples by @​rogerbarreto in .NET: Add Foundry hosted session client samples microsoft/agent-framework#8227
• .NET: deps/ai extensions by @​baywet in .NET: deps/ai extensions microsoft/agent-framework#8270
• .Net + Python: [BREAKING] Limit MCP skill archives to the ZIP format by @​SergeyMenshykh in .Net + Python: [BREAKING] Limit MCP skill archives to the ZIP format microsoft/agent-framework#8290
• .NET: Update version for 1.21.0 release by @​SergeyMenshykh in .NET: Update version for 1.21.0 release microsoft/agent-framework#8297
• .NET: Canonicalize Hyperlight sandbox fingerprints by @​eavanvalkenburg in .NET: Canonicalize Hyperlight sandbox fingerprints microsoft/agent-framework#8295

New Contributors

• @​BenGearset made their first contribution in .NET: Replace deprecated AWSSDK.Extensions.Bedrock.MEAI with AWS.Bedrock.MEAI microsoft/agent-framework#7983
• @​xiaobaZeo made their first contribution in Docs: fix lazy-loading grammar in Python package design microsoft/agent-framework#8004
• @​Ricky-7-Yan made their first contribution in Python: Document shared chat client concurrency microsoft/agent-framework#7680
• @​Choppaaahh made their first contribution in Python: Stamp AG-UI checkpoint owner on every save microsoft/agent-framework#8011
• @​karthikchundi-commits made their first contribution in Python: wrap Anthropic and Gemini SDK exceptions in ChatClientException microsoft/agent-framework#7855
• @​antsok made their first contribution in .NET: [BREAKING] Add file_access_read_lines and move the line-numbering contract onto AgentFileStore microsoft/agent-framework#7671
• @​CoffeeDrivenCoder made their first contribution in Python: recursively serialize nested container values microsoft/agent-framework#7790
• @​UniversePeak made their first contribution in .NET: Clarify declarative workflow input serialization microsoft/agent-framework#8046
• @​Shxiao101 made their first contribution in Python: Docs: Fix broken external links in Python samples and docs microsoft/agent-framework#8090
• @​georgeatparallel made their first contribution in Python: Document anonymous Parallel Search MCP usage microsoft/agent-framework#8084
  ... (truncated)

1.20.0

What's Changed

• .NET: Bump AWSSDK.Extensions.Bedrock.MEAI from 4.0.6.10 to 4.0.101.8 by @​dependabot[bot] in .NET: Bump AWSSDK.Extensions.Bedrock.MEAI from 4.0.6.10 to 4.0.101.8 microsoft/agent-framework#7829
• .NET: Stabilize Foundry recovery tests by @​rogerbarreto in .NET: Stabilize Foundry recovery tests microsoft/agent-framework#7817
• .NET: fix: preserve Responses logprobs field by @​he-yufeng in .NET: fix: preserve Responses logprobs field microsoft/agent-framework#5860
• .NET: Honor cancellation for Foundry-hosted workflow responses by @​rogerbarreto with @​Copilot in .NET: Honor cancellation for Foundry-hosted workflow responses microsoft/agent-framework#7842
• .NET: Use Responses API for hosted web search in AG-UI by @​rogerbarreto with @​Copilot in .NET: Use Responses API for hosted web search in AG-UI microsoft/agent-framework#7843
• .NET: Bump Aspire.Hosting from 13.1.0 to 13.5.2 by @​dependabot[bot] in .NET: Bump Aspire.Hosting from 13.1.0 to 13.5.2 microsoft/agent-framework#7826
• .NET: Suppress false positive Zip Slip alert by @​SergeyMenshykh in .NET: Suppress false positive Zip Slip alert microsoft/agent-framework#7858
• .NET: added Mem0Sharp integration for in-memory storage in agent samples. by @​jihadkhawaja in .NET: added Mem0Sharp integration for in-memory storage in agent samples. microsoft/agent-framework#7792
• .NET: Annotate DevUI aggregator static-analysis false positives by @​SergeyMenshykh in .NET: Annotate DevUI aggregator static-analysis false positives microsoft/agent-framework#7864
• .NET: Rename CommunityToolkit.VectorData.CosmosNoSql to AzureCosmosDB by @​adamsitnik in .NET: Rename CommunityToolkit.VectorData.CosmosNoSql to AzureCosmosDB microsoft/agent-framework#7878
• .NET: chore: upgrades aspnet openapi dependency by @​baywet in .NET: chore: upgrades aspnet openapi dependency microsoft/agent-framework#7870
• .NET: Simplify A2A function tool samples by @​SergeyMenshykh in .NET: Simplify A2A function tool samples microsoft/agent-framework#7861
• .NET: Bump Azure.AI.AgentServer.Invocations from 1.0.0-beta.5 to 1.0.0-beta.6 by @​dependabot[bot] in .NET: Bump Azure.AI.AgentServer.Invocations from 1.0.0-beta.5 to 1.0.0-beta.6 microsoft/agent-framework#7886
• .NET: docs: updates the contributing information for CFS users by @​baywet in .NET: docs: updates the contributing information for CFS users microsoft/agent-framework#7869
• Bump CommunityToolkit.VectorData.InMemory from 1.0.0 to 1.0.1 by @​dependabot[bot] in Bump CommunityToolkit.VectorData.InMemory from 1.0.0 to 1.0.1 microsoft/agent-framework#7888
• .NET: Remove retired OpenAI Assistants integration tests by @​rogerbarreto in .NET: Remove retired OpenAI Assistants integration tests microsoft/agent-framework#7896
• .NET: Simplify A2A client-server sample by @​SergeyMenshykh in .NET: Simplify A2A client-server sample microsoft/agent-framework#7891
• Bump Dapr.AI.Microsoft.Extensions from 1.18.4 to 1.18.5 by @​dependabot[bot] in Bump Dapr.AI.Microsoft.Extensions from 1.18.4 to 1.18.5 microsoft/agent-framework#7889
• .NET: docs/workflow fileinput sample dotnet by @​baywet in .NET: docs/workflow fileinput sample dotnet microsoft/agent-framework#7913
• .NET: Add timeout for wait-for-first-completion by @​westey-m in .NET: Add timeout for wait-for-first-completion microsoft/agent-framework#7911
• .NET: Fix duplicate Foundry AgentHost port binding by @​rogerbarreto in .NET: Fix duplicate Foundry AgentHost port binding microsoft/agent-framework#7932
• .NET: tests: removes dependency on fluent assersion because of licensing concerns by @​baywet in .NET: tests: removes dependency on fluent assersion because of licensing concerns microsoft/agent-framework#7938
• .NET: docs(decisions): resolve duplicate ADR sequence numbers (0016, 0021, 0024) by @​jluocsa in .NET: docs(decisions): resolve duplicate ADR sequence numbers (0016, 0021, 0024) microsoft/agent-framework#6046
• .NET: Bump Azure.Core from 1.61.0 to 1.62.0 by @​dependabot[bot] in .NET: Bump Azure.Core from 1.61.0 to 1.62.0 microsoft/agent-framework#7954
• .NET: Improve Cosmos DB Emulator startup reliability by @​TheovanKraay in .NET: Improve Cosmos DB Emulator startup reliability microsoft/agent-framework#3932
• .NET: add public API analyzers by @​baywet in .NET: add public API analyzers microsoft/agent-framework#7935
• .NET: Update version for 1.20.0 release by @​SergeyMenshykh in .NET: Update version for 1.20.0 release microsoft/agent-framework#7972

New Contributors

• @​madanmishra1223 made their first contribution in Python: fix streaming when GenAI tracing replaces the raw response (#7461) microsoft/agent-framework#7705
• @​YashvantHange made their first contribution in Python: preserve unmapped Anthropic and Mistral finish reasons microsoft/agent-framework#7850
• @​jihadkhawaja made their first contribution in .NET: added Mem0Sharp integration for in-memory storage in agent samples. microsoft/agent-framework#7792
• @​adamsitnik made their first contribution in .NET: Rename CommunityToolkit.VectorData.CosmosNoSql to AzureCosmosDB microsoft/agent-framework#7878
• @​baywet made their first contribution in .NET: chore: upgrades aspnet openapi dependency microsoft/agent-framework#7870
• @​Namraa310806 made their first contribution in Python: Fix input mutation in SerializationMixin.from_dict microsoft/agent-framework#7901
• @​Sweetteabittersugar made their first contribution in Python: Discard unsafe Content fields during deepcopy microsoft/agent-framework#7903
• @​shoemoney made their first contribution in Python: fix Gemini finish reason fallback and usage-attach cascade microsoft/agent-framework#7837
• @​jluocsa made their first contribution in .NET: docs(decisions): resolve duplicate ADR sequence numbers (0016, 0021, 0024) microsoft/agent-framework#6046

Full Changelog: microsoft/agent-framework@dotnet-1.19.0...dotnet-1.20.0

1.19.0

What's Changed

• .NET: Add session-persisted chat client routing by @​westey-m in .NET: Add session-persisted chat client routing microsoft/agent-framework#7641
• .NET: Fix snake_case argument names in Harness file tool descriptions by @​westey-m with @​Copilot in .NET: Fix snake_case argument names in Harness file tool descriptions microsoft/agent-framework#7731
• .NET: Pass IServiceProvider to ChatClientAgent in AddAIAgent overloads by @​westey-m in .NET: Pass IServiceProvider to ChatClientAgent in AddAIAgent overloads microsoft/agent-framework#7737
• .NET: Python: Clarify PR review comment resolution by @​moonbox3 in .NET: Python: Clarify PR review comment resolution microsoft/agent-framework#7746
• .NET: Update AG-UI samples for latest MAF + AG-UI SDK and align with docs by @​danroth27 in .NET: Update AG-UI samples for latest MAF + AG-UI SDK and align with docs microsoft/agent-framework#7295
• .NET: Migrate remaining Foundry hosted samples to source deployment by @​rogerbarreto in .NET: Migrate remaining Foundry hosted samples to source deployment microsoft/agent-framework#7668
• .NET: agent-hooks interception contract as a first-class experimental feature by @​MohammadHaroonAbuomar in .NET: agent-hooks interception contract as a first-class experimental feature microsoft/agent-framework#7564
• .NET: Forward AG-UI context and additional properties by @​javiercn in .NET: Forward AG-UI context and additional properties microsoft/agent-framework#7742
• .NET: Suppress Swagger UI CodeQL alert in AgentWebChat sample by @​SergeyMenshykh in .NET: Suppress Swagger UI CodeQL alert in AgentWebChat sample microsoft/agent-framework#7764
• .NET: Remove AGUI history special cases from ChatClientAgent by @​javiercn in .NET: Remove AGUI history special cases from ChatClientAgent microsoft/agent-framework#7741
• .NET: Fix A2A streaming artifact updates by @​SergeyMenshykh in .NET: Fix A2A streaming artifact updates microsoft/agent-framework#7722
• Python: Harness blog part4 samples by @​westey-m in Python: Harness blog part4 samples microsoft/agent-framework#7698
• .NET: Clarify compaction provider and chat reducer choices by @​ravikiranpagidi in .NET: Clarify compaction provider and chat reducer choices microsoft/agent-framework#7678
• .NET: Add Azure Blob Storage session persistence by @​DeagleGross in .NET: Add Azure Blob Storage session persistence microsoft/agent-framework#1893
• .NET: Persist hosted agent state in Foundry by @​rogerbarreto in .NET: Persist hosted agent state in Foundry microsoft/agent-framework#7649
• .NET: [BREAKING] Migrate MCP long-running task support to the 2026-07-28 Tasks extension by @​peibekwe in .NET: [BREAKING] Migrate MCP long-running task support to the 2026-07-28 Tasks extension microsoft/agent-framework#7774
• .NET: Add feature-usage bitmask by @​peibekwe in .NET: Add feature-usage bitmask microsoft/agent-framework#7709
• Bump Anthropic from 12.35.1 to 12.42.0 by @​dependabot[bot] in Bump Anthropic from 12.35.1 to 12.42.0 microsoft/agent-framework#7778
• .NET: Fix ReasoningSummary passthrough in GitHub Copilot resume config by @​chandramouleswaran in .NET: Fix ReasoningSummary passthrough in GitHub Copilot resume config microsoft/agent-framework#6441
• .NET: Bump AgentMemory from 1.3.0 to 1.4.1 by @​dependabot[bot] in .NET: Bump AgentMemory from 1.3.0 to 1.4.1 microsoft/agent-framework#7639
• .NET: Add support for Resilient long-running and Steerable Foundry Hosted Agents by @​rogerbarreto in .NET: Add support for Resilient long-running and Steerable Foundry Hosted Agents microsoft/agent-framework#7370
• .NET: Update version for 1.19.0 release by @​rogerbarreto in .NET: Update version for 1.19.0 release microsoft/agent-framework#7814

New Contributors

• @​danroth27 made their first contribution in .NET: Update AG-UI samples for latest MAF + AG-UI SDK and align with docs microsoft/agent-framework#7295
• @​manjunathshiva made their first contribution in Python: fix: preserve Agent additional_properties in HandoffBuilder clones microsoft/agent-framework#7755
• @​alexliluz made their first contribution in Python: Avoid unchanged AG-UI predictive state snapshots microsoft/agent-framework#7766
• @​danfiedler-msft made their first contribution in Pin GitHub Actions to full-length commit SHAs microsoft/agent-framework#7768
• @​ravikiranpagidi made their first contribution in .NET: Clarify compaction provider and chat reducer choices microsoft/agent-framework#7678
• @​cr-sbarbouche made their first contribution in Python: FoundryEvals always emits arguments field for tool calls microsoft/agent-framework#7734
• @​ranst91 made their first contribution in Python: A2UI (Agent-to-UI) support for the AG-UI adapter microsoft/agent-framework#7423
• @​qmuntal made their first contribution in Docs: add Go to the main README microsoft/agent-framework#7754

Full Changelog: microsoft/agent-framework@dotnet-1.18.0...dotnet-1.19.0

1.18.0

What's Changed

• .NET: [Experimental] Extend A2A task store with isolation key scoping by @​SergeyMenshykh in .NET: [Experimental] Extend A2A task store with isolation key scoping microsoft/agent-framework#7504
• .NET: Add CodeQL suppression for DevUI proxy validation by @​SergeyMenshykh in .NET: Add CodeQL suppression for DevUI proxy validation microsoft/agent-framework#7505
• .NET: Bound the tool-approval auto-approval loop (#​7472) by @​atty57 in .NET: Bound the tool-approval auto-approval loop (#7472) microsoft/agent-framework#7474
• .NET: Harden file skill discovery by @​SergeyMenshykh in .NET: Harden file skill discovery microsoft/agent-framework#7540
• .NET: Give a hosted agent a single source of conversation history by @​rogerbarreto in .NET: Give a hosted agent a single source of conversation history microsoft/agent-framework#7525
• .NET: Aggregate usage across looping agents and chat clients by @​westey-m in .NET: Aggregate usage across looping agents and chat clients microsoft/agent-framework#7539
• .NET: Store executable function calls bypassed by declaration-only tool calls by @​westey-m in .NET: Store executable function calls bypassed by declaration-only tool calls microsoft/agent-framework#7388
• .NET: [BREAKING] Rename to AgentIsolationKeyProvider by @​SergeyMenshykh in .NET: [BREAKING] Rename to AgentIsolationKeyProvider microsoft/agent-framework#7567
• .NET: Improve string parsing in declarative workflows by @​peibekwe in .NET: Improve string parsing in declarative workflows microsoft/agent-framework#7535
• .NET: Add Cosmos NoSQL vector memory sample by @​nos-redacted in .NET: Add Cosmos NoSQL vector memory sample microsoft/agent-framework#7552
• .NET: Fix misleading workflow protocol attribute diagnostics by @​peibekwe in .NET: Fix misleading workflow protocol attribute diagnostics microsoft/agent-framework#7609
• .NET: Prevent telemetry serialization failures from failing workflows by @​peibekwe in .NET: Prevent telemetry serialization failures from failing workflows microsoft/agent-framework#7612
• .NET: Add Options for Hosted Agent to Allow Backend Storage by @​rogerbarreto in .NET: Add Options for Hosted Agent to Allow Backend Storage microsoft/agent-framework#7572
• .NET: Add BackgroundAgentsProvider.ReleaseSessionAsync to cancel and release per-session background tasks by @​westey-m in .NET: Add BackgroundAgentsProvider.ReleaseSessionAsync to cancel and release per-session background tasks microsoft/agent-framework#7602
• .NET: Remove clear and package source mapping from nuget.config to allow user level config inheritance by @​westey-m in .NET: Remove clear and package source mapping from nuget.config to allow user level config inheritance microsoft/agent-framework#7646
• .NET: Fix IDE0039 by using local functions in samples by @​rogerbarreto in .NET: Fix IDE0039 by using local functions in samples microsoft/agent-framework#7666
• .NET: Allow agents to opt into concurrent tool invocation by @​ump45nose in .NET: Allow agents to opt into concurrent tool invocation microsoft/agent-framework#7650
• .NET: Add Foundry hosted session and user identity pass-through by @​rogerbarreto in .NET: Add Foundry hosted session and user identity pass-through microsoft/agent-framework#7648
• .NET: Add Cosmos chat history retrieval API by @​ilia-sokolov in .NET: Add Cosmos chat history retrieval API microsoft/agent-framework#7412
• .NET: Fix declarative workflows deep research sample by @​peibekwe in .NET: Fix declarative workflows deep research sample microsoft/agent-framework#7674
• .NET: Update version for 1.18.0 release by @​SergeyMenshykh in .NET: Update version for 1.18.0 release microsoft/agent-framework#7713
• .NET: Fix release build analyzer failures by @​SergeyMenshykh in .NET: Fix release build analyzer failures microsoft/agent-framework#7721

New Contributors

• @​nos-redacted made their first contribution in .NET: Add Cosmos NoSQL vector memory sample microsoft/agent-framework#7552
• @​luisangelrod made their first contribution in Python: Ignore non-project workspace glob matches microsoft/agent-framework#7509
• @​uuzzrm made their first contribution in Python: Preserve Mistral prompt-cache usage details microsoft/agent-framework#7597
• @​chinmayv095 made their first contribution in Python: fix(redis): honour a max_messages retention limit of zero microsoft/agent-framework#7470
• @​ump45nose made their first contribution in .NET: Allow agents to opt into concurrent tool invocation microsoft/agent-framework#7650
• @​ilia-sokolov made their first contribution in .NET: Add Cosmos chat history retrieval API microsoft/agent-framework#7412
• @​LobsterQBA made their first contribution in Python: Surface A2A preview consent URLs microsoft/agent-framework#7606
• @​weed33834 made their first contribution in Python: fix(workflows): preserve all trace contexts in FanInEdgeRunner aggregation microsoft/agent-framework#7557

Full Changelog: microsoft/agent-framework@dotnet-1.17.0...dotnet-1.18.0

1.17.0

What's Changed

• .NET and Python: Extract Durable Task and Azure Functions integrations by @​cgillum in .NET and Python: Extract Durable Task and Azure Functions integrations microsoft/agent-framework#7465
• .NET: Fix Handoff orchestration sample not responding to user input by @​peibekwe in .NET: Fix Handoff orchestration sample not responding to user input microsoft/agent-framework#7442
• .NET: Fail declarative workflows when an agent returns an error by @​peibekwe in .NET: Fail declarative workflows when an agent returns an error microsoft/agent-framework#7497
• .NET: Updating version for dotnet release 1.17.0 by @​peibekwe in .NET: Updating version for dotnet release 1.17.0 microsoft/agent-framework#7514

1.16.0

What's Changed

• .NET: fix InMemoryChatHistoryProvider persisting when service stores history by @​westey-m in .NET: fix InMemoryChatHistoryProvider persisting when service stores history microsoft/agent-framework#7284
• .NET: Add TodoProvider and AgentModeProvider samples by @​westey-m in .NET: Add TodoProvider and AgentModeProvider samples microsoft/agent-framework#7262
• .NET: Graduate GitHub Copilot agent to stable by @​giles17 in .NET: Graduate GitHub Copilot agent to stable microsoft/agent-framework#7313
• .NET: Create session for tool approval agent when none provided by @​westey-m in .NET: Create session for tool approval agent when none provided microsoft/agent-framework#7310
• .NET: Add Microsoft.Agents.AI.LocalCodeAct to release solution filter by @​westey-m with @​Copilot in .NET: Add Microsoft.Agents.AI.LocalCodeAct to release solution filter microsoft/agent-framework#7343
• .NET: Preserve table state after declarative EditTable Add by @​KXHXK in .NET: Preserve table state after declarative EditTable Add microsoft/agent-framework#7324
• .NET: Forward A2A MessageSendParams.Configuration in the A2A adapter by @​SergeyMenshykh in .NET: Forward A2A MessageSendParams.Configuration in the A2A adapter microsoft/agent-framework#7365
• .NET: Workflows: quarantine flaky InputWaiter timeout test (#​7360) by @​rogerbarreto in .NET: Workflows: quarantine flaky InputWaiter timeout test (#7360) microsoft/agent-framework#7361
• .NET: Preserve table state across declarative EditTable operations  by @​peibekwe in .NET: Preserve table state across declarative EditTable operations  microsoft/agent-framework#7353
• .NET: Add GitHub Copilot BYOK sample by @​droideronline in .NET: Add GitHub Copilot BYOK sample microsoft/agent-framework#7337
• .NET: Add Anthropic-backed live tests for the OpenAI Responses hosting helpers by @​ANcpLua in .NET: Add Anthropic-backed live tests for the OpenAI Responses hosting helpers microsoft/agent-framework#7362
• .NET: Fix and re-enable flaky InputWaiter timeout test by @​peibekwe in .NET: Fix and re-enable flaky InputWaiter timeout test microsoft/agent-framework#7377
• .NET: Add source (ZIP) deploy oriented hosted agent samples by @​rogerbarreto in .NET: Add source (ZIP) deploy oriented hosted agent samples microsoft/agent-framework#7372
• .NET: Bump .NET SDK from 10.0.301 to 10.0.302 by @​giles17 in .NET: Bump .NET SDK from 10.0.301 to 10.0.302 microsoft/agent-framework#7376
• .NET: Add FileMemoryProvider sample to 02-agents/AgentWithMemory by @​westey-m in .NET: Add FileMemoryProvider sample to 02-agents/AgentWithMemory microsoft/agent-framework#7401
• .NET: Add regression tests and sample guidance for stable agent IDs in checkpointed workflows by @​peibekwe in .NET: Add regression tests and sample guidance for stable agent IDs in checkpointed workflows microsoft/agent-framework#7415
• .NET: Updating version for dotnet release 1.16.0 by @​SergeyMenshykh in .NET: Updating version for dotnet release 1.16.0 microsoft/agent-framework#7441

New Contributors

• @​atty57 made their first contribution in Python: Fix duplicate function call on approval round-trip (#7267) microsoft/agent-framework#7271
• @​sricursion made their first contribution in Python: Reject Windows junctions in FileSystemAgentFileStore microsoft/agent-framework#7291
• @​KXHXK made their first contribution in .NET: Preserve table state after declarative EditTable Add microsoft/agent-framework#7324
• @​hsusul made their first contribution in Python: fix(python): handle callable class middleware safely in _determine_middleware_type (#6697) microsoft/agent-framework#7333
• @​ANcpLua made their first contribution in .NET: Add Anthropic-backed live tests for the OpenAI Responses hosting helpers microsoft/agent-framework#7362
• @​itjuba made their first contribution in Python: Sanitize author_name for the Chat Completions message name field microsoft/agent-framework#7127

Full Changelog: microsoft/agent-framework@python-github-copilot-1.0.0...dotnet-1.16.0

1.15.0

What's Changed

• Python: Add MCPStreamableHTTPTool security guidance for custom http client by @​TaoChenOSU in Python: Add MCPStreamableHTTPTool security guidance for custom http client microsoft/agent-framework#7245
• Harden workflow credential selection by @​moonbox3 in Harden workflow credential selection microsoft/agent-framework#7249
• Python: preserve Gemini 3 thought_signature across function-call replays by @​giles17 in Python: preserve Gemini 3 thought_signature across function-call replays microsoft/agent-framework#7095
• .NET: [BREAKING] Hosting OpenAI Responses protocol helpers and optional execution state by @​rogerbarreto in .NET: [BREAKING] Hosting OpenAI Responses protocol helpers and optional execution state microsoft/agent-framework#7000
• .NET: Fix declarative autosend output by @​alliscode in .NET: Fix declarative autosend output microsoft/agent-framework#7217
• .NET: Updating dotnet version for release. by @​alliscode in .NET: Updating dotnet version for release. microsoft/agent-framework#7265
• .NET: Added GettingStarted example demonstrating Dapr as an agent provider by @​WhitWaldo in .NET: Added GettingStarted example demonstrating Dapr as an agent provider microsoft/agent-framework#1615
• Python: Support prompt cache breakpoints for GPT-5.6 models in OpenAI clients by @​Mordris in Python: Support prompt cache breakpoints for GPT-5.6 models in OpenAI clients microsoft/agent-framework#7163
• .NET: Fix expensive logging by @​alliscode in .NET: Fix expensive logging microsoft/agent-framework#7268
• Python: Fix stateless replay of reasoning-paired tool calls by @​moonbox3 in Python: Fix stateless replay of reasoning-paired tool calls microsoft/agent-framework#7233
• Reduce workflow credential exposure by @​moonbox3 in Reduce workflow credential exposure microsoft/agent-framework#7270

New Contributors

• @​WhitWaldo made their first contribution in .NET: Added GettingStarted example demonstrating Dapr as an agent provider microsoft/agent-framework#1615
• @​Mordris made their first contribution in Python: Support prompt cache breakpoints for GPT-5.6 models in OpenAI clients microsoft/agent-framework#7163

Full Changelog: microsoft/agent-framework@python-1.12.0...dotnet-1.15.0

1.14.0

What's Changed

• .NET: Fix CosmosChatHistoryProvider: omit ttl when MessageTtlSeconds is nul… by @​TheovanKraay in .NET: Fix CosmosChatHistoryProvider: omit ttl when MessageTtlSeconds is nul… microsoft/agent-framework#7030
• .NET: Fix CompactionMessageIndex.IsSummaryMessage by @​pwoosam in .NET: Fix CompactionMessageIndex.IsSummaryMessage microsoft/agent-framework#7042
• .NET: Fix workflow session bug by @​peibekwe in .NET: Fix workflow session bug microsoft/agent-framework#7032
• .NET: Enable Valkey NuGet package publishing by @​westey-m with @​Copilot in .NET: Enable Valkey NuGet package publishing microsoft/agent-framework#7059
• .NET: [BREAKING] Graduate message injection out of experimental by @​westey-m in .NET: [BREAKING] Graduate message injection out of experimental microsoft/agent-framework#7044
• .NET: [BREAKING] Graduate todo and agent mode providers out of experimental by @​westey-m in .NET: [BREAKING] Graduate todo and agent mode providers out of experimental microsoft/agent-framework#7052
• Update issue triage by @​moonbox3 in Update issue triage microsoft/agent-framework#7098
• .NET: Add name collision warnings for auto-approvals by @​westey-m in .NET: Add name collision warnings for auto-approvals microsoft/agent-framework#7089
• .NET: Update Microsoft Foundry branding by @​nicholasdbrady in .NET: Update Microsoft Foundry branding microsoft/agent-framework#6999
• .NET: [BREAKING] Harness: Switch FileAccess to opt-in by @​westey-m in .NET: [BREAKING] Harness: Switch FileAccess to opt-in microsoft/agent-framework#7093
• fix typos in XML doc comments, ADR docs, and test comments by @​rinceyuan in fix typos in XML doc comments, ADR docs, and test comments microsoft/agent-framework#7085
• .NET: [BREAKING] Graduate ToolApprovalAgent and add ToolAutoApprovalRuleContext by @​westey-m in .NET: [BREAKING] Graduate ToolApprovalAgent and add ToolAutoApprovalRuleContext microsoft/agent-framework#7107
• Harden manual integration test trust boundary by @​moonbox3 in Harden manual integration test trust boundary microsoft/agent-framework#7081
• CI: resolve PR author in community team check by @​rogerbarreto in CI: resolve PR author in community team check microsoft/agent-framework#7129
• Fix message ordering in workflow-hosted agents by @​peibekwe in Fix message ordering in workflow-hosted agents microsoft/agent-framework#7123
• .NET: [BREAKING] Graduate FileMemoryProvider by @​westey-m in .NET: [BREAKING] Graduate FileMemoryProvider microsoft/agent-framework#7114
• .NET: Preserve UTF-8 order in HeadTailBuffer by @​jstar0 in .NET: Preserve UTF-8 order in HeadTailBuffer microsoft/agent-framework#7128
• .NET: [Feature]: .NET Improve ChatClientAgentSession constructor by @​feiyun0112 in .NET: [Feature]: .NET Improve ChatClientAgentSession constructor microsoft/agent-framework#7142
• .NET: Fix LocalCodeAct validation and package checks by @​eavanvalkenburg in .NET: Fix LocalCodeAct validation and package checks microsoft/agent-framework#7138
• samples: add AgentMemory (Neo4j-agent memory reimplemented in NET ) shopping assistant sample by @​joslat in samples: add AgentMemory (Neo4j-agent memory reimplemented in NET ) shopping assistant sample microsoft/agent-framework#7096
• .NET: Honor terminal workflow outputs in Workflow.AsAIAgent responses by @​ssccinng in .NET: Honor terminal workflow outputs in Workflow.AsAIAgent responses microsoft/agent-framework#6212
• .NET: Refactor Workflows MessageMerger to preserve message order and structure by @​marcominerva in .NET: Refactor Workflows MessageMerger to preserve message order and structure microsoft/agent-framework#6826
• .NET: Populate AgentResponse metadata in CopilotStudioAgent by @​anneheartrecord in .NET: Populate AgentResponse metadata in CopilotStudioAgent microsoft/agent-framework#6791
• .NET: [BREAKING] Bind tool-approval responses to surfaced approval requests by @​rogerbarreto in .NET: [BREAKING] Bind tool-approval responses to surfaced approval requests microsoft/agent-framework#7111
• .NET: [BREAKING] Graduate HarnessAgent by @​westey-m in .NET: [BREAKING] Graduate HarnessAgent microsoft/agent-framework#7119
• .NET: Version bump for .net release by @​westey-m in .NET: Version bump for .net release microsoft/agent-framework#7237
• .NET: Cover source-type-agnostic toolbox consent parsing (a2a_preview) by @​rogerbarreto in .NET: Cover source-type-agnostic toolbox consent parsing (a2a_preview) microsoft/agent-framework#7229
• [BREAKING] Python: add Responses conversation ID helper by @​eavanvalkenburg in [BREAKING] Python: add Responses conversation ID helper microsoft/agent-framework#7234
• The legacy .NET package Microsoft.Agents.AI.AGUI has been split into external AG-UI SDK packages: AGUI.Client, AGUI.Server, AGUI.Abstractions, AGUI.Protobuf (optional transport), and AGUI.Formatting. The ASP.NET Core hosting integration remains in this repository as Microsoft.Agents.AI.Hosting.AGUI.AspNetCore, now layered on top of AGUI.Server. If you are upgrading, replace Microsoft.Agents.AI.AGUI with the relevant AGUI.* packages and rename AddAGUI()/MapAGUI() to AddAGUIServer()/MapAGUIServer().

Full Changelog: microsoft/agent-framework@python-1.11.0...dotnet-1.14.0

Commits viewable in compare view.

Updated Microsoft.Agents.AI.Workflows from 1.13.0 to 1.22.0.

Release notes

Sourced from Microsoft.Agents.AI.Workflows's releases.

1.22.0

What's Changed

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

New Contributors

• @​mrchatam made their first contribution in docs: fix 'availble' typo in ADR 0001 microsoft/agent-framework#8325
• @​Shy7777 made their first contribution in Python: await Task and Future sources in ResponseStream microsoft/agent-framework#8331
• @​ktz03 made their first contribution in Python: fix(ag-ui): dedupe client-replayed transcripts on resume microsoft/agent-framework#8149
• @​ManoharPaturi made their first contribution in Python: handle Literal annotations in is_instance_of microsoft/agent-framework#8351
• @​HeZ2z made their first contribution in Python: preserve response update metadata in WorkflowAgent forwarding microsoft/agent-framework#7999
• @​fzfzzfzzzfzzzz made their first contribution in Python: make declarative YAML path loading UTF-8 and async-safe microsoft/agent-framework#8260
• @​googio made their first contribution in Python: document keyed web search with Serply MCP microsoft/agent-framework#8319
  ... (truncated)

1.21.0

What's Changed

• .NET: Replace deprecated AWSSDK.Extensions.Bedrock.MEAI with AWS.Bedrock.MEAI by @​BenGearset in .NET: Replace deprecated AWSSDK.Extensions.Bedrock.MEAI with AWS.Bedrock.MEAI microsoft/agent-framework#7983
• .NET: Remove Azure.AI.OpenAI dependency by @​rogerbarreto in .NET: Remove Azure.AI.OpenAI dependency microsoft/agent-framework#7986
• .NET: Track and update A2A task state by @​SergeyMenshykh in .NET: Track and update A2A task state microsoft/agent-framework#7998
• .NET: Update Azure AI Projects to 3.0.0 beta 1 by @​rogerbarreto in .NET: Update Azure AI Projects to 3.0.0 beta 1 microsoft/agent-framework#7995
• .NET: Bump Aspire.Hosting from 13.5.2 to 13.5.3 by @​dependabot[bot] in .NET: Bump Aspire.Hosting from 13.5.2 to 13.5.3 microsoft/agent-framework#8029
• .NET: [BREAKING] Add file_access_read_lines and move the line-numbering contract onto AgentFileStore by @​antsok in .NET: [BREAKING] Add file_access_read_lines and move the line-numbering contract onto AgentFileStore microsoft/agent-framework#7671
• Bump Anthropic from 12.42.0 to 12.43.0 by @​dependabot[bot] in Bump Anthropic from 12.42.0 to 12.43.0 microsoft/agent-framework#8028
• .NET: Bump AgentMemory.AgentFramework from 1.4.1 to 1.5.0 by @​dependabot[bot] in .NET: Bump AgentMemory.AgentFramework from 1.4.1 to 1.5.0 microsoft/agent-framework#8027
• .NET: [BREAKING] Clarify A2A agent run modes by @​SergeyMenshykh in .NET: [BREAKING] Clarify A2A agent run modes microsoft/agent-framework#8032
• .NET: Clarify declarative workflow input serialization by @​UniversePeak in .NET: Clarify declarative workflow input serialization microsoft/agent-framework#8046
• .NET: Preserve streamed annotations in Foundry hosted responses by @​rogerbarreto in .NET: Preserve streamed annotations in Foundry hosted responses microsoft/agent-framework#7984
• .NET: Improve Hosted Agent LRA Resilient Recovery Sample by @​rogerbarreto in .NET: Improve Hosted Agent LRA Resilient Recovery Sample microsoft/agent-framework#8082
• .NET: Include workflow outputs in hosted agent responses by @​UniversePeak in .NET: Include workflow outputs in hosted agent responses microsoft/agent-framework#8020
• .NET: Improve inline skill argument error guidance by @​SergeyMenshykh in .NET: Improve inline skill argument error guidance microsoft/agent-framework#8118
• .NET: Bump Azure.Monitor.OpenTelemetry.Exporter from 1.5.0 to 1.8.3 by @​dependabot[bot] in .NET: Bump Azure.Monitor.OpenTelemetry.Exporter from 1.5.0 to 1.8.3 microsoft/agent-framework#7887
• [BREAKING] .NET: Isolate LocalCodeAct subprocess environment by @​eavanvalkenburg in [BREAKING] .NET: Isolate LocalCodeAct subprocess environment microsoft/agent-framework#8159
• .NET: Scope OpenAI hosting storage by isolation key by @​SergeyMenshykh in .NET: Scope OpenAI hosting storage by isolation key microsoft/agent-framework#8146
• .NET: chore: updates source link dependency due to transitive vulnerability by @​baywet in .NET: chore: updates source link dependency due to transitive vulnerability microsoft/agent-framework#8179
• .NET: chore: updates Microsoft owned testing dependencies by @​baywet in .NET: chore: updates Microsoft owned testing dependencies microsoft/agent-framework#8167
• .NET: ci: update Microsoft.CodeAnalysis.NetAnalyzers and Microsoft.VisualStudio.Threading.Analyzers versions by @​baywet in .NET: ci: update Microsoft.CodeAnalysis.NetAnalyzers and Microsoft.VisualStudio.Threading.Analyzers versions microsoft/agent-framework#8166
• .NET: chore: updates microsoft extensions and related packages to their latest version, as well as global.json dotnet sdk version to align by @​baywet in .NET: chore: updates microsoft extensions and related packages to their latest version, as well as global.json dotnet sdk version to align microsoft/agent-framework#8190
• .NET: Bump Azure.AI.Projects to 3.0.0-beta.2 by @​rogerbarreto in .NET: Bump Azure.AI.Projects to 3.0.0-beta.2 microsoft/agent-framework#8165
• .NET: fix: revalidate file skill paths before use by @​SergeyMenshykh in .NET: fix: revalidate file skill paths before use microsoft/agent-framework#8151
• .NET: Opt in to client function forwarding for Responses hosting by @​rogerbarreto with @​Copilot in .NET: Opt in to client function forwarding for Responses hosting microsoft/agent-framework#7844
• .NET: chore: updates additional analyzers packages by @​baywet in .NET: chore: updates additional analyzers packages microsoft/agent-framework#8198
• .NET: Harden LocalCodeAct OS validation by @​eavanvalkenburg in .NET: Harden LocalCodeAct OS validation microsoft/agent-framework#8239
• .NET: upgrades xunit and other dependencies by @​baywet in .NET: upgrades xunit and other dependencies microsoft/agent-framework#8202
• .NET: ci/promote removed apis by @​baywet in .NET: ci/promote removed apis microsoft/agent-framework#8229
• .NET: fix: do not forward headers on redirect by @​baywet in .NET: fix: do not forward headers on redirect microsoft/agent-framework#8164
• .NET: updates open telemetry deps by @​baywet in .NET: updates open telemetry deps microsoft/agent-framework#8253
• .NET: Dotnet: reset $LASTEXITCODE per command in persistent PowerShell sessions by @​westey-m in .NET: Dotnet: reset $LASTEXITCODE per command in persistent PowerShell sessions microsoft/agent-framework#8259
• .NET: Implement same approval process for LocalCodeAct as is used by Hyperlight by @​westey-m in .NET: Implement same approval process for LocalCodeAct as is used by Hyperlight microsoft/agent-framework#8289
• .NET: Add Foundry hosted session client samples by @​rogerbarreto in .NET: Add Foundry hosted session client samples microsoft/agent-framework#8227
• .NET: deps/ai extensions by @​baywet in .NET: deps/ai extensions microsoft/agent-framework#8270
• .Net + Python: [BREAKING] Limit MCP skill archives to the ZIP format by @​SergeyMenshykh in .Net + Python: [BREAKING] Limit MCP skill archives to the ZIP format microsoft/agent-framework#8290
• .NET: Update version for 1.21.0 release by @​SergeyMenshykh in .NET: Update version for 1.21.0 release microsoft/agent-framework#8297
• .NET: Canonicalize Hyperlight sandbox fingerprints by @​eavanvalkenburg in .NET: Canonicalize Hyperlight sandbox fingerprints microsoft/agent-framework#8295

New Contributors

• @​BenGearset made their first contribution in .NET: Replace deprecated AWSSDK.Extensions.Bedrock.MEAI with AWS.Bedrock.MEAI microsoft/agent-framework#7983
• @​xiaobaZeo made their first contribution in Docs: fix lazy-loading grammar in Python package design microsoft/agent-framework#8004
• @​Ricky-7-Yan made their first contribution in Python: Document shared chat client concurrency microsoft/agent-framework#7680
• @​Choppaaahh made their first contribution in Python: Stamp AG-UI checkpoint owner on every save microsoft/agent-framework#8011
• @​karthikchundi-commits made their first contribution in Python: wrap Anthropic and Gemini SDK exceptions in ChatClientException microsoft/agent-framework#7855
• @​antsok made their first contribution in .NET: [BREAKING] Add file_access_read_lines and move the line-numbering contract onto AgentFileStore microsoft/agent-framework#7671
• @​CoffeeDrivenCoder made their first contribution in Python: recursively serialize nested container values microsoft/agent-framework#7790
• @​UniversePeak made their first contribution in .NET: Clarify declarative workflow input serialization microsoft/agent-framework#8046
• @​Shxiao101 made their first contribution in Python: Docs: Fix broken external links in Python samples and docs microsoft/agent-framework#8090
• @​georgeatparallel made their first contribution in Python: Document anonymous Parallel Search MCP usage microsoft/agent-framework#8084
  ... (truncated)

1.20.0

What's Changed

• .NET: Bump AWSSDK.Extensions.Bedrock.MEAI from 4.0.6.10 to 4.0.101.8 by @​dependabot[bot] in .NET: Bump AWSSDK.Extensions.Bedrock.MEAI from 4.0.6.10 to 4.0.101.8 microsoft/agent-framework#7829
• .NET: Stabilize Foundry recovery tests by @​rogerbarreto in .NET: Stabilize Foundry recovery tests microsoft/agent-framework#7817
• .NET: fix: preserve Responses logprobs field by @​he-yufeng in .NET: fix: preserve Responses logprobs field microsoft/agent-framework#5860
• .NET: Honor cancellation for Foundry-hosted workflow responses by @​rogerbarreto with @​Copilot in .NET: Honor cancellation for Foundry-hosted workflow responses microsoft/agent-framework#7842
• .NET: Use Responses API for hosted web search in AG-UI by @​rogerbarreto with @​Copilot in .NET: Use Responses API for hosted web search in AG-UI microsoft/agent-framework#7843
• .NET: Bump Aspire.Hosting from 13.1.0 to 13.5.2 by @​dependabot[bot] in .NET: Bump Aspire.Hosting from 13.1.0 to 13.5.2 microsoft/agent-framework#7826
• .NET: Suppress false positive Zip Slip alert by @​SergeyMenshykh in .NET: Suppress false positive Zip Slip alert microsoft/agent-framework#7858
• .NET: added Mem0Sharp integration for in-memory storage in agent samples. by @​jihadkhawaja in .NET: added Mem0Sharp integration for in-memory storage in agent samples. microsoft/agent-framework#7792
• .NET: Annotate DevUI aggregator static-analysis false positives by @​SergeyMenshykh in .NET: Annotate DevUI aggregator static-analysis false positives microsoft/agent-framework#7864
• .NET: Rename CommunityToolkit.VectorData.CosmosNoSql to AzureCosmosDB by @​adamsitnik in .NET: Rename CommunityToolkit.VectorData.CosmosNoSql to AzureCosmosDB microsoft/agent-framework#7878
• .NET: chore: upgrades aspnet openapi dependency by @​baywet in .NET: chore: upgrades aspnet openapi dependency microsoft/agent-framework#7870
• .NET: Simplify A2A function tool samples by @​SergeyMenshykh in .NET: Simplify A2A function tool samples microsoft/agent-framework#7861
• .NET: Bump Azure.AI.AgentServer.Invocations from 1.0.0-beta.5 to 1.0.0-beta.6 by @​dependabot[bot] in .NET: Bump Azure.AI.AgentServer.Invocations from 1.0.0-beta.5 to 1.0.0-beta.6 microsoft/agent-framework#7886
• .NET: docs: updates the contributing information for CFS users by @​baywet in .NET: docs: updates the contributing information for CFS users microsoft/agent-framework#7869
• Bump CommunityToolkit.VectorData.InMemory from 1.0.0 to 1.0.1 by @​dependabot[bot] in Bump CommunityToolkit.VectorData.InMemory from 1.0.0 to 1.0.1 microsoft/agent-framework#7888
• .NET: Remove retired OpenAI Assistants integration tests by @​rogerbarreto in .NET: Remove retired OpenAI Assistants integration tests microsoft/agent-framework#7896
• .NET: Simplify A2A client-server sample by @​SergeyMenshykh in .NET: Simplify A2A client-server sample microsoft/agent-framework#7891
• Bump Dapr.AI.Microsoft.Extensions from 1.18.4 to 1.18.5 by @​dependabot[bot] in Bump Dapr.AI.Microsoft.Extensions from 1.18.4 to 1.18.5 microsoft/agent-framework#7889
• .NET: docs/workflow fileinput sample dotnet by @​baywet in .NET: docs/workflow fileinput sample dotnet microsoft/agent-framework#7913
• .NET: Add timeout for wait-for-first-completion by @​westey-m in .NET: Add timeout for wait-for-first-completion microsoft/agent-framework#7911
• .NET: Fix duplicate Foundry AgentHost port binding by @​rogerbarreto in .NET: Fix duplicate Foundry AgentHost port binding microsoft/agent-framework#7932
• .NET: tests: removes dependency on fluent assersion because of licensing concerns by @​baywet in .NET: tests: removes dependency on fluent assersion because of licensing concerns microsoft/agent-framework#7938
• .NET: docs(decisions): resolve duplicate ADR sequence numbers (0016, 0021, 0024) by @​jluocsa in .NET: docs(decisions): resolve duplicate ADR sequence numbers (0016, 0021, 0024) microsoft/agent-framework#6046
• .NET: Bump Azure.Core from 1.61.0 to 1.62.0 by @​dependabot[bot] in .NET: Bump Azure.Core from 1.61.0 to 1.62.0 microsoft/agent-framework#7954
• .NET: Improve Cosmos DB Emulator startup reliability by @​TheovanKraay in .NET: Improve Cosmos DB Emulator startup reliability microsoft/agent-framework#3932
• .NET: add public API analyzers by @​baywet in .NET: add public API analyzers microsoft/agent-framework#7935
• .NET: Update version for 1.20.0 release by @​SergeyMenshykh in .NET: Update version for 1.20.0 release microsoft/agent-framework#7972

New Contributors

• @​madanmishra1223 made their first contribution in Python: fix streaming when GenAI tracing replaces the raw response (#7461) microsoft/agent-framework#7705
• @​YashvantHange made their first contribution in Python: preserve unmapped Anthropic and Mistral finish reasons microsoft/agent-framework#7850
• @​jihadkhawaja made their first contribution in .NET: added Mem0Sharp integration for in-memory storage in agent samples. microsoft/agent-framework#7792
• @​adamsitnik made their first contribution in .NET: Rename CommunityToolkit.VectorData.CosmosNoSql to AzureCosmosDB microsoft/agent-framework#7878
• @​baywet made their first contribution in .NET: chore: upgrades aspnet openapi dependency microsoft/agent-framework#7870
• @​Namraa310806 made their first contribution in Python: Fix input mutation in SerializationMixin.from_dict microsoft/agent-framework#7901
• @​Sweetteabittersugar made their first contribution in Python: Discard unsafe Content fields during deepcopy microsoft/agent-framework#7903
• @​shoemoney made their first contribution in Python: fix Gemini finish reason fallback and usage-attach cascade microsoft/agent-framework#7837
• @​jluocsa made their first contribution in .NET: docs(decisions): resolve duplicate ADR sequence numbers (0016, 0021, 0024) microsoft/agent-framework#6046

Full Changelog: microsoft/agent-framework@dotnet-1.19.0...dotnet-1.20.0

1.19.0

What's Changed

• .NET: Add session-persisted chat client routing by @​westey-m in .NET: Add session-persisted chat client routing microsoft/agent-framework#7641
• .NET: Fix snake_case argument names in Harness file tool descriptions by @​westey-m with @​Copilot in .NET: Fix snake_case argument names in Harness file tool descriptions microsoft/agent-framework#7731
• .NET: Pass IServiceProvider to ChatClientAgent in AddAIAgent overloads by @​westey-m in .NET: Pass IServiceProvider to ChatClientAgent in AddAIAgent overloads microsoft/agent-framework#7737
• .NET: Python: Clarify PR review comment resolution by @​moonbox3 in .NET: Python: Clarify PR review comment resolution microsoft/agent-framework#7746
• .NET: Update AG-UI samples for latest MAF + AG-UI SDK and align with docs by @​danroth27 in .NET: Update AG-UI samples for latest MAF + AG-UI SDK and align with docs microsoft/agent-framework#7295
• .NET: Migrate remaining Foundry hosted samples to source deployment by @​rogerbarreto in .NET: Migrate remaining Foundry hosted samples to source deployment microsoft/agent-framework#7668
• .NET: agent-hooks interception contract as a first-class experimental feature by @​MohammadHaroonAbuomar in .NET: agent-hooks interception contract as a first-class experimental feature microsoft/agent-framework#7564
• .NET: Forward AG-UI context and additional properties by @​javiercn in .NET: Forward AG-UI context and additional properties microsoft/agent-framework#7742
• .NET: Suppress Swagger UI CodeQL alert in AgentWebChat sample by @​SergeyMenshykh in .NET: Suppress Swagger UI CodeQL alert in AgentWebChat sample microsoft/agent-framework#7764
• .NET: Remove AGUI history special cases from ChatClientAgent by @​javiercn in .NET: Remove AGUI history special cases from ChatClientAgent microsoft/agent-framework#7741
• .NET: Fix A2A streaming artifact updates by @​SergeyMenshykh in .NET: Fix A2A streaming artifact updates microsoft/agent-framework#7722
• Python: Harness blog part4 samples by @​westey-m in Python: Harness blog part4 samples microsoft/agent-framework#7698
• .NET: Clarify compaction provider and chat reducer choices by @​ravikiranpagidi in .NET: Clarify compaction provider and chat reducer choices microsoft/agent-framework#7678
• .NET: Add Azure Blob Storage session persistence by @​DeagleGross in .NET: Add Azure Blob Storage session persistence microsoft/agent-framework#1893
• .NET: Persist hosted agent state in Foundry by @​rogerbarreto in .NET: Persist hosted agent state in Foundry microsoft/agent-framework#7649
• .NET: [BREAKING] Migrate MCP long-running task support to the 2026-07-28 Tasks extension by @​peibekwe in .NET: [BREAKING] Migrate MCP long-running task support to the 2026-07-28 Tasks extension microsoft/agent-framework#7774
• .NET: Add feature-usage bitmask by @​peibekwe in .NET: Add feature-usage bitmask microsoft/agent-framework#7709
• Bump Anthropic from 12.35.1 to 12.42.0 by @​dependabot[bot] in Bump Anthropic from 12.35.1 to 12.42.0 microsoft/agent-framework#7778
• .NET: Fix ReasoningSummary passthrough in GitHub Copilot resume config by @​chandramouleswaran in .NET: Fix ReasoningSummary passthrough in GitHub Copilot resume config microsoft/agent-framework#6441
• .NET: Bump AgentMemory from 1.3.0 to 1.4.1 by @​dependabot[bot] in .NET: Bump AgentMemory from 1.3.0 to 1.4.1 microsoft/agent-framework#7639
• .NET: Add support for Resilient long-running and Steerable Foundry Hosted Agents by @​rogerbarreto in .NET: Add support for Resilient long-running and Steerable Foundry Hosted Agents microsoft/agent-framework#7370
• .NET: Update version for 1.19.0 release by @​rogerbarreto in .NET: Update version for 1.19.0 release microsoft/agent-framework#7814

New Contributors

• @​danroth27 made their first contribution in .NET: Update AG-UI samples for latest MAF + AG-UI SDK and align with docs microsoft/agent-framework#7295
• @​manjunathshiva made their first contribution in Python: fix: preserve Agent additional_properties in HandoffBuilder clones microsoft/agent-framework#7755
• @​alexliluz made their first contribution in Python: Avoid unchanged AG-UI predictive state snapshots microsoft/agent-framework#7766
• @​danfiedler-msft made their first contribution in Pin GitHub Actions to full-length commit SHAs microsoft/agent-framework#7768
• @​ravikiranpagidi made their first contribution in .NET: Clarify compaction provider and chat reducer choices microsoft/agent-framework#7678
• @​cr-sbarbouche made their first contribution in Python: FoundryEvals always emits arguments field for tool calls microsoft/agent-framework#7734
• @​ranst91 made their first contribution in Python: A2UI (Agent-to-UI) support for the AG-UI adapter microsoft/agent-framework#7423
• @​qmuntal made their first contribution in Docs: add Go to the main README microsoft/agent-framework#7754

Full Changelog: microsoft/agent-framework@dotnet-1.18.0...dotnet-1.19.0

1.18.0

What's Changed

• .NET: [Experimental] Extend A2A task store with isolation key scoping by @​SergeyMenshykh in .NET: [Experimental] Extend A2A task store with isolation key scoping microsoft/agent-framework#7504
• .NET: Add CodeQL suppression for DevUI proxy validation by @​SergeyMenshykh in .NET: Add CodeQL suppression for DevUI proxy validation microsoft/agent-framework#7505
• .NET: Bound the tool-approval auto-approval loop (#​7472) by @​atty57 in .NET: Bound the tool-approval auto-approval loop (#7472) microsoft/agent-framework#7474
• .NET: Harden file skill discovery by @​SergeyMenshykh in .NET: Harden file skill discovery microsoft/agent-framework#7540
• .NET: Give a hosted agent a single source of conversation history by @​rogerbarreto in .NET: Give a hosted agent a single source of conversation history microsoft/agent-framework#7525
• .NET: Aggregate usage across looping agents and chat clients by @​westey-m in .NET: Aggregate usage across looping agents and chat clients microsoft/agent-framework#7539
• .NET: Store executable function calls bypassed by declaration-only tool calls by @​westey-m in .NET: Store executable function calls bypassed by declaration-only tool calls microsoft/agent-framework#7388
• .NET: [BREAKING] Rename to AgentIsolationKeyProvider by @​SergeyMenshykh in .NET: [BREAKING] Rename to AgentIsolationKeyProvider microsoft/agent-framework#7567
• .NET: Improve string parsing in declarative workflows by @​peibekwe in .NET: Improve string parsing in declarative workflows microsoft/agent-framework#7535
• .NET: Add Cosmos NoSQL vector memory sample by @​nos-redacted in .NET: Add Cosmos NoSQL vector memory sample microsoft/agent-framework#7552
• .NET: Fix misleading workflow protocol attribute diagnostics by @​peibekwe in .NET: Fix misleading workflow protocol attribute diagnostics microsoft/agent-framework#7609
• .NET: Prevent telemetry serialization failures from failing workflows by @​peibekwe in .NET: Prevent telemetry serialization failures from failing workflows microsoft/agent-framework#7612
• .NET: Add Options for Hosted Agent to Allow Backend Storage by @​rogerbarreto in .NET: Add Options for Hosted Agent to Allow Backend Storage microsoft/agent-framework#7572
• .NET: Add BackgroundAgentsProvider.ReleaseSessionAsync to cancel and release per-session background tasks by @​westey-m in .NET: Add BackgroundAgentsProvider.ReleaseSessionAsync to cancel and release per-session background tasks microsoft/agent-framework#7602
• .NET: Remove clear and package source mapping from nuget.config to allow user level config inheritance by @​westey-m in .NET: Remove clear and package source mapping from nuget.config to allow user level config inheritance microsoft/agent-framework#7646
• .NET: Fix IDE0039 by using local functions in samples by @​rogerbarreto in .NET: Fix IDE0039 by using local functions in samples microsoft/agent-framework#7666
• .NET: Allow agents to opt into concurrent tool invocation by @​ump45nose in .NET: Allow agents to opt into concurrent tool invocation microsoft/agent-framework#7650
• .NET: Add Foundry hosted session and user identity pass-through by @​rogerbarreto in .NET: Add Foundry hosted session and user identity pass-through microsoft/agent-framework#7648
• .NET: Add Cosmos chat history retrieval API by @​ilia-sokolov in .NET: Add Cosmos chat history retrieval API microsoft/agent-framework#7412
• .NET: Fix declarative workflows deep research sample by @​peibekwe in .NET: Fix declarative workflows deep research sample microsoft/agent-framework#7674
• .NET: Update version for 1.18.0 release by @​SergeyMenshykh in .NET: Update version for 1.18.0 release microsoft/agent-framework#7713
• .NET: Fix release build analyzer failures by @​SergeyMenshykh in .NET: Fix release build analyzer failures microsoft/agent-framework#7721

New Contributors

• @​nos-redacted made their first contribution in .NET: Add Cosmos NoSQL vector memory sample microsoft/agent-framework#7552
• @​luisangelrod made their first contribution in Python: Ignore non-project workspace glob matches microsoft/agent-framework#7509
• @​uuzzrm made their first contribution in Python: Preserve Mistral prompt-cache usage details microsoft/agent-framework#7597
• @​chinmayv095 made their first contribution in Python: fix(redis): honour a max_messages retention limit of zero microsoft/agent-framework#7470
• @​ump45nose made their first contribution in .NET: Allow agents to opt into concurrent tool invocation microsoft/agent-framework#7650
• @​ilia-sokolov made their first contribution in .NET: Add Cosmos chat history retrieval API microsoft/agent-framework#7412
• @​LobsterQBA made their first contribution in Python: Surface A2A preview consent URLs microsoft/agent-framework#7606
• @​weed33834 made their first contribution in Python: fix(workflows): preserve all trace contexts in FanInEdgeRunner aggregation microsoft/agent-framework#7557

Full Changelog: microsoft/agent-framework@dotnet-1.17.0...dotnet-1.18.0

1.17.0

What's Changed

• .NET and Python: Extract Durable Task and Azure Functions integrations by @​cgillum in .NET and Python: Extract Durable Task and Azure Functions integrations microsoft/agent-framework#7465
• .NET: Fix Handoff orchestration sample not responding to user input by @​peibekwe in .NET: Fix Handoff orchestration sample not responding to user input microsoft/agent-framework#7442
• .NET: Fail declarative workflows when an agent returns an error by @​peibekwe in .NET: Fail declarative workflows when an agent returns an error microsoft/agent-framework#7497
• .NET: Updating version for dotnet release 1.17.0 by @​peibekwe in .NET: Updating version for dotnet release 1.17.0 microsoft/agent-framework#7514

1.16.0

What's Changed

• .NET: fix InMemoryChatHistoryProvider persisting when service stores history by @​westey-m in .NET: fix InMemoryChatHistoryProvider persisting when service stores history microsoft/agent-framework#7284
• .NET: Add TodoProvider and AgentModeProvider samples by @​westey-m in .NET: Add TodoProvider and AgentModeProvider samples microsoft/agent-framework#7262
• .NET: Graduate GitHub Copilot agent to stable by @​giles17 in .NET: Graduate GitHub Copilot agent to stable microsoft/agent-framework#7313
• .NET: Create session for tool approval agent when none provided by @​westey-m in .NET: Create session for tool approval agent when none provided microsoft/agent-framework#7310
• .NET: Add Microsoft.Agents.AI.LocalCodeAct to release solution filter by @​westey-m with @​Copilot in .NET: Add Microsoft.Agents.AI.LocalCodeAct to release solution filter microsoft/agent-framework#7343
• .NET: Preserve table state after declarative EditTable Add by @​KXHXK in .NET: Preserve table state after declarative EditTable Add microsoft/agent-framework#7324
• .NET: Forward A2A MessageSendParams.Configuration in the A2A adapter by @​SergeyMenshykh in .NET: Forward A2A MessageSendParams.Configuration in the A2A adapter microsoft/agent-framework#7365
• .NET: Workflows: quarantine flaky InputWaiter timeout test (#​7360) by @​rogerbarreto in .NET: Workflows: quarantine flaky InputWaiter timeout test (#7360) microsoft/agent-framework#7361
• .NET: Preserve table state across declarative EditTable operations  by @​peibekwe in .NET: Preserve table state across declarative EditTable operations  microsoft/agent-framework#7353
• .NET: Add GitHub Copilot BYOK sample by @​droideronline in .NET: Add GitHub Copilot BYOK sample microsoft/agent-framework#7337
• .NET: Add Anthropic-backed live tests for the OpenAI Responses hosting helpers by @​ANcpLua in .NET: Add Anthropic-backed live tests for the OpenAI Responses hosting helpers microsoft/agent-framework#7362
• .NET: Fix and re-enable flaky InputWaiter timeout test by @​peibekwe in .NET: Fix and re-enable flaky InputWaiter timeout test microsoft/agent-framework#7377
• .NET: Add source (ZIP) deploy oriented hosted agent samples by @​rogerbarreto in .NET: Add source (ZIP) deploy oriented hosted agent samples microsoft/agent-framework#7372
• .NET: Bump .NET SDK from 10.0.301 to 10.0.302 by @​giles17 in .NET: Bump .NET SDK from 10.0.301 to 10.0.302 microsoft/agent-framework#7376
• .NET: Add FileMemoryProvider sample to 02-agents/AgentWithMemory by @​westey-m in .NET: Add FileMemoryProvider sample to 02-agents/AgentWithMemory microsoft/agent-framework#7401
• .NET: Add regression tests and sample guidance for stable agent IDs in checkpointed workflows by @​peibekwe in .NET: Add regression tests and sample guidance for stable agent IDs in checkpointed workflows microsoft/agent-framework#7415
• .NET: Updating version for dotnet release 1.16.0 by @​SergeyMenshykh in .NET: Updating version for dotnet release 1.16.0 microsoft/agent-framework#7441

New Contributors

• @​atty57 made their first contribution in Python: Fix duplicate function call on approval round-trip (#7267) microsoft/agent-framework#7271
• @​sricursion made their first contribution in Python: Reject Windows junctions in FileSystemAgentFileStore microsoft/agent-framework#7291
• @​KXHXK made their first contribution in .NET: Preserve table state after declarative EditTable Add microsoft/agent-framework#7324
• @​hsusul made their first contribution in Python: fix(python): handle callable class middleware safely in _determine_middleware_type (#6697) microsoft/agent-framework#7333
• @​ANcpLua made their first contribution in .NET: Add Anthropic-backed live tests for the OpenAI Responses hosting helpers microsoft/agent-framework#7362
• @​itjuba made their first contribution in Python: Sanitize author_name for the Chat Completions message name field microsoft/agent-framework#7127

Full Changelog: microsoft/agent-framework@python-github-copilot-1.0.0...dotnet-1.16.0

1.15.0

What's Changed

• Python: Add MCPStreamableHTTPTool security guidance for custom http client by @​TaoChenOSU in Python: Add MCPStreamableHTTPTool security guidance for custom http client microsoft/agent-framework#7245
• Harden workflow credential selection by @​moonbox3 in Harden workflow credential selection microsoft/agent-framework#7249
• Python: preserve Gemini 3 thought_signature across function-call replays by @​giles17 in Python: preserve Gemini 3 thought_signature across function-call replays microsoft/agent-framework#7095
• .NET: [BREAKING] Hosting OpenAI Responses protocol helpers and optional execution state by @​rogerbarreto in .NET: [BREAKING] Hosting OpenAI Responses protocol helpers and optional execution state microsoft/agent-framework#7000
• .NET: Fix declarative autosend output by @​alliscode in .NET: Fix declarative autosend output microsoft/agent-framework#7217
• .NET: Updating dotnet version for release. by @​alliscode in .NET: Updating dotnet version for release. microsoft/agent-framework#7265
• .NET: Added GettingStarted example demonstrating Dapr as an agent provider by @​WhitWaldo in .NET: Added GettingStarted example demonstrating Dapr as an agent provider microsoft/agent-framework#1615
• Python: Support prompt cache breakpoints for GPT-5.6 m...

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