[1.0.0b251216] - 2025-12-16

Added

• agent-framework-ollama: Ollama connector for Agent Framework (#1104)
• agent-framework-core: Added custom args and thread object toai_function kwargs (#2769)
• agent-framework-core: Enable checkpointing forWorkflowAgent (#2774)

Changed

• agent-framework-core: [BREAKING] Observability updates (#2782)
• agent-framework-core: Use agent description inHandoffBuilder auto-generated tools (#2714)
• agent-framework-core: Remove warnings from workflow builder when not using factories (#2808)

Fixed

• agent-framework-core: FixWorkflowAgent to include thread conversation history (#2774)
• agent-framework-core: Fix context duplication in handoff workflows when restoring from checkpoint (#2867)
• agent-framework-core: Fix middleware terminate flag to exit function calling loop immediately (#2868)
• agent-framework-core: FixWorkflowAgent to emityield_output as agent response (#2866)
• agent-framework-core: Filter framework kwargs from MCP tool invocations (#2870)

[1.0.0b251211] - 2025-12-11

Added

• agent-framework-core: Extend HITL support for all orchestration patterns (#2620)
• agent-framework-core: Add factory pattern to concurrent orchestration builder (#2738)
• agent-framework-core: Add factory pattern to sequential orchestration builder (#2710)
• agent-framework-azure-ai: Capture file IDs from code interpreter in streaming responses (#2741)

Changed

• agent-framework-azurefunctions: Change DurableAIAgent log level from warning to debug when invoked without thread (#2736)

Fixed

• agent-framework-core: Added more complete parsing for mcp tool arguments (#2756)
• agent-framework-core: Fix GroupChat ManagerSelectionResponse JSON Schema for OpenAI Structured Outputs (#2750)
• samples: Standardize OpenAI API key environment variable naming (#2629)

[1.0.0b251209] - 2025-12-09

Added

• agent-framework-core: Support an autonomous handoff flow (#2497)
• agent-framework-core: WorkflowBuilder registry (#2486)
• agent-framework-a2a: Add configurable timeout support to A2AAgent (#2432)
• samples: Added Azure OpenAI Responses File Search sample + Integration test update (#2645)
• samples: Update fan in fan out sample to show concurrency (#2705)

Changed

• agent-framework-azure-ai: [BREAKING] Renamedasync_credential tocredential (#2648)
• samples: Improve sample logging (#2692)
• samples: azureai image gen sample update (#2709)

Fixed

• agent-framework-core: Fix DurableState schema serializations (#2670)
• agent-framework-core: Fix context provider lifecycle agentic mode (#2650)
• agent-framework-devui: Fix WorkflowFailedEvent error extraction (#2706)
• agent-framework-devui: Fix DevUI fails when uploading Pdf file (#2675)
• agent-framework-devui: Fix message serialization issue (#2674)
• observability: Display system prompt in langfuse (#2653)

[1.0.0b251204] - 2025-12-04

Added

• agent-framework-core: Add support for PydanticBaseModel as function call result (#2606)
• agent-framework-core: Executor events now include I/O data (#2591)
• samples: Inline YAML declarative sample (#2582)
• samples: Handoff-as-agent with HITL sample (#2534)

Changed

• agent-framework-core: [BREAKING] Support Magentic agent tool call approvals and plan stalling HITL behavior (#2569)
• agent-framework-core: [BREAKING] Standardize orchestration outputs as list ofChatMessage; allow agent as group chat manager (#2291)
• agent-framework-core: [BREAKING] Respond withAgentRunResponse including serialized structured output (#2285)
• observability: Useexecutor_id andedge_group_id as span names for clearer traces (#2538)
• agent-framework-devui: Add multimodal input support for workflows and refactor chat input (#2593)
• docs: Update Python orchestration documentation (#2087)

Fixed

• observability: Resolve mypy error in observability module (#2641)
• agent-framework-core: FixAgentRunResponse.created_at returning local datetime labeled as UTC (#2590)
• agent-framework-core: EmitExecutorFailedEvent beforeWorkflowFailedEvent when executor throws (#2537)
• agent-framework-core: Fix MagenticAgentExecutor producingrepr string for tool call content (#2566)
• agent-framework-core: Fixed empty text content Pydantic validation failure (#2539)
• agent-framework-azure-ai: Added support for application endpoints in Azure AI client (#2460)
• agent-framework-azurefunctions: Add MCP tool support (#2385)
• agent-framework-core: Preserve MCP array items schema in Pydantic field generation (#2382)
• agent-framework-devui: Make tool call view optional and fix links (#2243)
• agent-framework-core: Always include output in function call result messages (#2414)
• agent-framework-redis: Fix TypeError (#2411)

What's Changed

• .NET: Redacting log data unless opting out. by@westey-m in#2372
• .NET: sanitize redirectUrl for logs by@DeagleGross in#2356
• .NET: Add unit tests for RetrieveConversationMessagesExecutor by@peibekwe in#2388
• .NET: Upgrade to .NET 10 by@stephentoub in#2128
• .NET: Remove straggler VersionOverride after .NET 10 upgrade by@stephentoub in#2393
• .NET: Update to latest MEAI 10.0.1 and OpenAI 2.7.0 by@stephentoub in#2392
• .NET: Address Integration Concurrency Tests failure for V2 Agents by@rogerbarreto in#2421
• Update to latest dotnet devcontainer and add docker in docker. by@westey-m in#2426
• .NET: Add support for background responses to A2A agent by@SergeyMenshykh in#2381
• .NET: Change type of props representing continuation token by@SergeyMenshykh in#2430
• .NET: [BREAKING] Add GetNewThread overload for taking a ChatMessageStore at thread creation time by@westey-m in#2429
• .NET: Add Anthropic Agent Package by@rogerbarreto in#2359
• [BREAKING] Remove NotifyThreadOfNewMessagesAsync AIAgent helper by@westey-m in#2450
• .NET: Use Random.GetString in hosting IdGenerator by@stephentoub in#2427
• .NET: Updated package versions by@dmytrostruk in#2455
• .NET: Suppressed CS8002 for Anthropic package by@dmytrostruk in#2461
• .NET: Temporarily suppress CS8002 error by@dmytrostruk in#2462
• .NET: Add Cosmos DB implementations for ChatMessageStore and CheckpointStore. by@TheovanKraay in#1838
• .NET: Foundry V2 - Update Sample and Docs for clear distinction between Classic/New Foundry Agents. by@rogerbarreto in#2459
• .NET: Add orchestration ID to durable agent entity state by@philliphoff in#2137
• Update Azure.AI.OpenAI to latest release by@stephentoub in#2501
• .NET: Bump Anthropic from 10.2.1 to 10.4.0 by@dependabot[bot] in#2492
• .NET: Require thread for background responses by@SergeyMenshykh in#2498
• .NET: Prevent streamed updates loss when resuming streaming by@SergeyMenshykh in#2516
• .NET: Change sample to use official Anthropic C# package by@stephentoub in#2471
• .NET: Declarative Agents by@markwallace-microsoft in#2476
• .NET: Add Google ChatClientAgent provider sample using with Gemini model by@rogerbarreto in#2554
• .NET: Bump Aspire.Hosting.Azure.CognitiveServices from 13.0.0 to 13.0.1 by@dependabot[bot] in#2528
• .NET: Address gap IServiceProvider support for provider extensions by@rogerbarreto in#2551
• .NET: Fix samples for hosted agents by@SergeyMenshykh in#2550
• .NET: Change Anthropic Azure sample to use Athropic.Foundry package + cachi… by@rogerbarreto in#2578
• .NET: Fix AG-UI forwardedProps JSON property name by@javiercn in#2543
• .NET [Breaking] Simplify and Refactor ChatclientAgentOptions Ctor + Instructions by@rogerbarreto in#1517
• .NET: Persistent V1 package with bugfixes by@rogerbarreto in#2602
• .NET: Bump Aspire.Hosting.AppHost from 13.0.0 to 13.0.1 by@dependabot[bot] in#2493
• .NET: Fix flaky vector store integration tests - race condition on indexing by @Copilot in#2586
• .NET: Add Unit test for declarative object model AddConversationMessageExecutor by@peibekwe in#2613
• .NET: Remove unnecessary PackageReferences after .NET 10 update by@stephentoub in#2394
• .NET: Address vulnerability issue (previous net10 targets) by@rogerbarreto in#2631
• .NET: Seal options and context classes by@SergeyMenshykh in#2633

Full Changelog:python-1.0.0b251120...dotnet-1.0.0-preview.251204.1

Contributors

Changes:

• ed53ba1 Temporarily suppress CS8002 error (#2462)
• 0c1d12f Suppressed CS8002 for Anthropic package (#2461)
• d302bff Updated package versions (#2455)
• 7a4f687 Use Random.GetString in hosting IdGenerator (#2427)
• b6c3b8d [BREAKING] Remove NotifyThreadOfNewMessagesAsync AIAgent helper (#2450)
• 1dde579 .NET: Add Anthropic Agent Package (#2359)
• 112410e .NET: [BREAKING] Add GetNewThread overload for taking a ChatMessageStore at thread creation time (#2429)

[1.0.0b251120] - 2025-11-20

Added

• agent-framework-core: Introducing support for declarative YAML spec (#2002)
• agent-framework-core: Use AI Foundry evaluators for self-reflection (#2250)
• agent-framework-core: Propagateas_tool() kwargs and add runtime context + middleware sample (#2311)
• agent-framework-anthropic: Anthropic Foundry integration (#2302)
• samples: M365 Agent SDK Hosting sample (#2292)
• samples: Foundry Sample for A2A + SharePoint Samples (#2313)

Changed

• agent-framework-azurefunctions: [BREAKING] Schema changes for Azure Functions package (#2151)
• agent-framework-core: Move evaluation folders underevaluations (#2355)
• agent-framework-core: Move red teaming files to their own folder (#2333)
• agent-framework-core: "fix all" task now single source of truth (#2303)
• agent-framework-core: Improve and clean up exception handling (#2337,#2319)
• agent-framework-core: Clean up imports (#2318)

Fixed

• agent-framework-azure-ai: Fix for Azure AI client (#2358)
• agent-framework-core: Fix tool execution bleed-over in aiohttp/Bot Framework scenarios (#2314)
• agent-framework-core:@ai_function now correctly handlesself parameter (#2266)
• agent-framework-core: Resolve string annotations inFunctionExecutor (#2308)
• agent-framework-core: Langfuse observability captures ChatAgent system instructions (#2316)
• agent-framework-core: Incomplete URL substring sanitization fix (#2274)
• observability: Handle datetime serialization in tool results (#2248)

[1.0.0b251117] - 2025-11-17

Fixed

• agent-framework-ag-ui: Fix ag-ui state handling issues (#2289)

[1.0.0b251114] - 2025-11-14

Added

• samples: Bing Custom Search sample usingHostedWebSearchTool (#2226)
• samples: Fabric and Browser Automation samples (#2207)
• samples: Hosted agent samples (#2205)
• samples: Azure OpenAI Responses API Hosted MCP sample (#2108)
• samples: Bing Grounding and Custom Search samples (#2200)

Changed

• agent-framework-azure-ai: Enhance Azure AI Search citations with complete URL information (#2066)
• agent-framework-azurefunctions: Update samples to latest stable Azure Functions Worker packages (#2189)
• agent-framework-azure-ai: Agent name now required forAzureAIClient (#2198)
• build: Useuv build for packaging (#2161)
• tooling: Pre-commit improvements (#2222)

Fixed

• agent-framework-core: Prevent duplicate MCP tools and prompts (#1876) (#1890)
• agent-framework-devui: Fix HIL regression (#2167)
• agent-framework-chatkit: ChatKit sample fixes (#2174)

Changes:

• 45dba6b Version bump prep for release 251114.1 (#2239)
• e706f07 .NET: Add Microsoft.Agents.AI.AzureAI (Azure.AI.Project 1.2) Support (#1662) [#1638,#1657,#1786,#1812,#1829,#1892,#1901,#1906,#1931,#1948,#1967,#1761,#1897,#2040,#2050,#2058,#2091,#2053,#2078,#2125,#2147,#2159,#2180,#2190,#2102,#2199,#2204,#2206,#2212,#2237,#2235 ]
• 580a0c4 Python: Update hosted agent samples with agent manifests (#2240)
• c7e7020 Python: Updated package versions (#2238)
• 939c2d6 .NET: Friendly error message when durable agent isn't registered (#2214)
• c1786b3 Python: Added Bing Custom Search Sample using HostedWebSearchTool (#2226)
• 8b37327 Python: Added Fabric and Browser Automation Samples (#2207)
• 9e69e66 Python: pre-commit improvements (#2222)
• 8d7e01e fix auth issue + extra tags (#2218)
• 37e7c84 Use uv build (#2161)