Agent Framework Updates & Release Notes

[1.7.0] - 2026-05-28

Added

• agent-framework-core: Add HarnessAgent and background-agents harness provider (#6041, #6069)
• agent-framework-core, agent-framework-a2a: Add A2AAgentSession with referenced task IDs and input-required support (#5980)
• agent-framework-foundry: Add experimental prompt-agent conversion and deployment APIs (#5959)
• agent-framework-declarative: Add Foundry Toolbox MCP invocation support and sample (#5933)
• samples: Add hosting samples overview README (#5407)

Changed

• agent-framework-core: Align TodoProvider tool names with the C# implementation (#6107)
• agent-framework-core: Align ModeProvider tool names and instructions (#6071)
• agent-framework-chatkit: Raise the openai-chatkit dependency floor to >=1.6.4 to match the current typed API usage.
• agent-framework-declarative: [BREAKING] Remove Python-only declarative actions and rename alias kinds to C# canonical names (#6126)
• tests: Replace deprecated asyncio.iscoroutinefunction usage in DevUI cleanup-hook tests (#4563)

Fixed

• agent-framework-core: Point @experimental warnings at user code (#5996)
• agent-framework-declarative: Fix Foreach body exit wiring (#6050)
• agent-framework-devui: Fix streaming memory growth regression (#6038)
• agent-framework-foundry: Pass default headers to Foundry agents (#6040)
• agent-framework-foundry-hosting: Fix hosted handoff argument serialization (#5861)
• agent-framework-foundry-hosting: Allow hosted checkpoints to restore MessageRole values (#6049)
• agent-framework-openai: Preserve citation get_url metadata (#6037)
• agent-framework-openai: Guard Chat Completions streaming against null deltas (#5734)
• agent-framework-openai: Read response headers defensively for stream wrappers without .headers (#6028, #6029)
• samples: Fix sequential workflow sample output handling (#5976)

Full Changelog: python-1.6.0...python-1.7.0

Original source

[1.6.0] - 2026-05-21

Added

• agent-framework-core: Shell tool with support for local and Docker execution (#5664)
• agent-framework-monty: New Monty-backed CodeAct provider package (#5915)
• agent-framework-foundry: Add experimental hosted tool factories on FoundryChatClient (#5958)
• agent-framework-foundry: Include tool definitions for Foundry agent evals (#5974)
• agent-framework-a2a: Use non-streaming transport and return_immediately for background ops (#5963)

Changed

• agent-framework-core, agent-framework-foundry: [BREAKING] Enable instrumentation by default (#5865)
• agent-framework-foundry: Show more authentication methods in Foundry Toolbox MCP (#5719)

Fixed

• agent-framework-core: Skip MCP prompt loading when unsupported (#5370)

Original source

[1.5.0] - 2026-05-19

Added

• agent-framework-core, agent-framework-foundry, agent-framework-openai: Record actual served model from Azure OpenAI (#5910)
• samples: New Foundry Hosted Agents samples for RAG, Skills, and Memory (#5822)

Changed

• agent-framework-core, agent-framework-azurefunctions, agent-framework-devui, agent-framework-foundry, agent-framework-orchestrations: Improve handling of intermediate outputs for workflows and orchestrations (#5623)
• agent-framework-durabletask: Pin durabletask and durabletask-azuremanaged floors to >=1.4.0 and exclude upstream durabletask 1.4.1, 1.4.2, and 1.4.3 from the supported version range.
• agent-framework-orchestrations: Bumped package to release candidate stage.

Fixed

• agent-framework-core: Parse YAML block scalars in SKILL.md frontmatter (#5863)
• agent-framework-github-copilot: Include tools added by ContextProvider.before_run in session creation (#5780)
• agent-framework-hyperlight: Skip symlinks when staging sandbox input (#5919)
• agent-framework-purview: Remove duplicate pop in InMemoryCacheProvider.remove (#5795)

Full Changelog: python-1.4.0...python-1.5.0

Original source

[1.4.0] - 2026-05-14

Added

• agent-framework-core: Forward MCP tool call metadata (#5815)
• agent-framework-core: Support list[str] arguments for file-based skill scripts (#5850)
• agent-framework-core: Strip server-issued response item IDs under storage (#5690)
• agent-framework-ag-ui: Add tool result display channel (#5762)
• agent-framework-ag-ui: Promote to release candidate stage (#5844)
• agent-framework-devui: Improvements for DevUI (#5840)

Changed

• agent-framework-core: [BREAKING] — experimental skills API] Align file skill folder discovery with agentskills.io spec (#5807)
• agent-framework-core: [BREAKING] — experimental skills API] Extract skill spec metadata into SkillFrontmatter (#5775)
• agent-framework-devui: [BREAKING] Tighten default access controls and CORS posture (#5740)
• agent-framework-a2a: [BREAKING] Migrate to a2a-sdk v1.0 (#5752)

Fixed

• agent-framework-a2a: Fix A2A v1.0 non-streaming response and sample runtime issues (#5849)
• agent-framework-foundry-hosting: Reject path-traversal context IDs in checkpoint storage (#5851)
• agent-framework-core: Prevent MCP message_handler deadlock on notification reload (#4866)

Original source

What's Changed

• .NET: Add hyperlight to release slnf by @westey-m in #5695
• .NET: Update FoundryAgent to address HostedAgents strict URL routing by @rogerbarreto in #5677
• .NET: Add IChatMessageInjector for message injection during function loop by @westey-m in #5679
• .NET: Foundry.Hosting IT - eliminate MSBuild parallel-output races by @rogerbarreto in #5725
• .NET: Hosted-Files sample + AgentSessionFiles SDK companion + integration test by @rogerbarreto in #5698
• .NET: Simplify ClientHeadersScope to rely on AsyncLocal natural restoration by @rogerbarreto in #5676
• .NET: Hosted Agents - RAG Sample with Azure AI Search (#5693) by @rogerbarreto in #5701
• .NET: Fix/per service input persistence on stream error by @alliscode in #5744
• .NET: Remove Foundry Toolbox server-side tools support by @alliscode in #5753
• .NET: DevUI: add configurable access controls for the DevUI HTTP surface by @moonbox3 in #5739
• .NET: Add A2A input-request content for human-in-the-loop scenarios by @SergeyMenshykh in #5743
• .NET fix: Synthesized Handoff FunctionResult is never sent to agent by @lokitoth in #5718
• .NET: Refactor harness console rendering by @westey-m in #5751
• .NET: fix: align Anthropic Extensions AI version by @danyalahmed1995 in #5709
• .NET: declare Magentic protocol messages by @he-yufeng in #5778
• .NET: Feat/dotnet shell tool by @alliscode in #5604
• .NET: Fix OpenAIResponsesAgentClient to include agentName in endpoint path by @giles17 in #5748
• .NET: CI hardening — split Functions tests, re-enable skipped integration tests by @giles17 in #5717
• .NET: Add harness agent package by @westey-m in #5782
• .NET: [Breaking Change] Auto-wire ChatClient with OpenTelemetryChatClient in OpenTelemetryAgent by @Copilot in #5750
• Dotnet: Fixing FoundryToolboxMcp sample to use created toolbox by @alliscode in #5786
• .NET: fix: avoid mutating handoff message roles by @he-yufeng in #5808
• .NET: feat(evals): add ground_truth/expected_output support for workflow evaluation by @alliscode in #5755
• .NET: Update version for release. by @alliscode in #5789
• .NET: Fix build issue CA1873 in DevUI by using LoggerMessage source generator by @alliscode in #5831
• [BREAKING] Python: DevUI: tighten default access controls and CORS posture by @moonbox3 in #5740
• [BREAKING] Python: Align file skill folder discovery with agentskills.io spec by @SergeyMenshykh in #5807
• .NET: Filestore improvements by @westey-m in #5842
• .NET: DevUI: quarantine flaky discovery integration test (#5845) by @rogerbarreto in #5846
• .NET: Update version to 1.6.1 for release by @westey-m in #5843

Full Changelog: dotnet-1.5.0...dotnet-1.6.1

Original source

What's Changed

• .NET: feat: Implement message filtering to exclude non-portable content typ… by @tarockey in #5410
• .NET: Add allow listing for WebBrowsingTool by @westey-m in #5605
• .NET: fix: JSON Serialization issue with MultiPartyConversation by @lokitoth in #5653
• .NET: Improve Todo multithreading and inject todos into message list by @westey-m in #5655
• .NET: fix: Add missing Workflows "Shared" sources to solution by @lokitoth in #5656
• .NET: Fix QuestionExecutor looping after GotoAction re-entry in declarative workflows by @peibekwe in #5635
• .NET: Fix YAML block scalar parsing for file skills by @tejakusireddy in #5610
• .NET: Add hosted agent observability sample by @rogerbarreto in #5660
• .NET: Bump MEAI to 10.5.1 and add Foundry per-call x-client header support by @rogerbarreto in #5652
• .NET: Fix flaky declarative test by @peibekwe in #5669
• .NET: Add Foundry.Hosting.IntegrationTests by @rogerbarreto in #5598
• .NET: Issue 5662 by @alliscode in #5668
• .NET: Support reasoning events in AGUI by @jeffinsibycoremont in #4953
• .NET: feat: Update Github Copilot SDK to 1.0.0-beta.2 by @lokitoth in #5699
• .NET: feat: Implement Magentic Orchestration for .NET by @lokitoth in #5595
• .NET: Foundry.Hosting IT - avoid MSB3026 in publish step by @rogerbarreto in #5689
• .NET: Python: Add dotnet integration test report to CI by @giles17 in #5515
• .NET: Non-thread-safe sequence number generation may cause duplicate or out-of-order IDs by @tuanaiseo in #5320
• .NET: Fix typo: sesionElement -> sessionElement by @XiongHaoTrigger in #5674
• .NET: Mark Magentic Orchestration Experimental by @lokitoth in #5704
• .NET: Fix function_call_output.output to be a JSON string on the wire by @alliscode in #5705
• .NET: Update version for release by @lokitoth in #5703

New Contributors

• @tarockey made their first contribution in #5410
• @tejakusireddy made their first contribution in #5610
• @jeffinsibycoremont made their first contribution in #4953
• @tuanaiseo made their first contribution in #5320
• @XiongHaoTrigger made their first contribution in #5674

Full Changelog: dotnet-1.4.0...dotnet-1.5.0

Original source

[1.3.0] - 2026-05-07

Added

agent-framework-core: Add ClassSkill for class-based skill definitions with declarative metadata and automatic method discovery (#5678)

agent-framework-core: Add experimental session-mode harness context provider (#5611)

agent-framework-core: Add experimental todo-list harness context provider (#5612)

agent-framework-core: Add experimental memory harness context provider (#5613)

agent-framework-core: Notify agent of external AgentModeProvider mode changes (#5650)

agent-framework-core: Information-flow control prompt injection defense (#5331)

agent-framework-openai: Support OpenAI and Gemini allowed_tools tool choice (#5322)

agent-framework-openai: Support GPT-5 verbosity option and restore Foundry agent_reference (#5619)

agent-framework-anthropic: Add base_url parameter to AnthropicClient and RawAnthropicClient (#5685)

agent-framework-foundry-hosting: Add support for function approval flow in Foundry hosted agent (#5666)

agent-framework-declarative: Add Python parity for InvokeMcpTool in declarative workflow (#5630)

agent-framework-declarative: Add Python parity for HttpRequestAction in declarative workflow (#5599)

agent-framework-claude, agent-framework-github-copilot: Enforce approval_mode in Claude and GitHub Copilot agents (#5562)

agent-framework-github-copilot: Upgrade github-copilot-sdk to v1.0.0b2 with instruction_directories, copilot_home, and runtime options forwarding on session resume (#5665)

samples: Add hosted agent sample with observability (#5608)

samples: Add sample for hosted agent with files (#5596)

Changed

agent-framework-core: [BREAKING — experimental skills API] Restructure agent skills to use multi-source architecture (#5584)

agent-framework-foundry: Remove bespoke Foundry toolbox helpers; standardize on MCP for toolbox consumption (#5671)

Fixed

agent-framework-core: Fix MCPStreamableHTTPTool leaking asyncio.CancelledError when MCP server is unreachable (#5687)

agent-framework-openai: Drop completed continuation_token from shared options in tool loop (#5462)

agent-framework-bedrock: Don't send toolChoice when no tools are configured (#5172)

agent-framework-hyperlight: Fix WasmSandbox cross-thread Drop and harden hosted-agent sample (#5603)

agent-framework-devui: Fix incorrect workflow timings by adding created_at to executor events (#5615)

agent-framework-foundry-hosting: Fix hosted MCP replay producing orphan function_call_output (#5581)

Original source

What's Changed

• .NET: Bump OpenTelemetry packages to 1.15.3 by @SergeyMenshykh in #5478
• .NET: Support returning durable workflow results from HTTP trigger endpoint by @kshyju in #5321
• .NET: [Breaking] Support string[] arguments for file-based skill scripts by @SergeyMenshykh in #5475
• .NET: Add HttpRequestAction support to declarative workflows by @peibekwe in #5474
• .NET: Add declarative HttpRequestAction sample by @peibekwe in #5572
• .NET: dotnet: Add hosted-agent User-Agent supplement to outgoing requests by @alliscode in #5453
• .NET: Add dedicated Foundry.Hosting UnitTest project by @rogerbarreto in #5592
• .NET: Harness Feature branch by @westey-m in #5310
• .NET: Hosting updates to declarative workflows by @alliscode in #5589
• docs: enhance README with 1.0 features and improved structure by @chetantoshniwal in #5534
• .NET: Update version for release by @westey-m in #5636
• .NET: Add Microsoft.Agents.AI.Hyperlight package for CodeAct integration (.NET) by @eavanvalkenburg in #5329

Full Changelog: dotnet-1.3.0...dotnet-1.4.0

Original source

[1.2.2] - 2026-04-29

Added

• agent-framework-azure-contentunderstanding: New alpha package — Azure AI Content Understanding context provider that auto-analyzes file attachments (documents, images, audio, video) and injects structured results into the LLM context, with multi-document session state, configurable timeout, output filtering via AnalysisSection, and auto-registered list_documents / get_analyzed_document tools (#4829)
• agent-framework-foundry-hosting: Add hosted Durable Workflow support — propagate full conversation history to workflow agents and wire Workflow.as_agent() end-to-end via the foundry hosting layer (#5531)

Changed

• agent-framework-orchestrations: [BREAKING] Standardize orchestration terminal outputs as AgentResponse so Workflow.as_agent() returns the final answer only; aligns sequential-approval (with_request_info) and concurrent (intermediate_outputs=True) flows on the same output contract (#5301)
• agent-framework-core, agent-framework-declarative: Preserve Workflow.run() shared state across calls so multi-turn WorkflowAgent invocations retain context, accept list[Message] input in the declarative start executor, and coerce Enum values when serializing PowerFx symbols (#5531)
• dependencies: Update workspace package dependencies and preserve mcp[ws] / uvicorn[standard] extras through override-dependencies in /python (#5555)

Fixed

• agent-framework-core: Fix observability spans not being correctly nested when using streaming (#5552)
• agent-framework-openai: Fix file_search citations breaking the assistant-message history roundtrip — skip hosted_file content in the assistant role so the Responses API no longer rejects input_file (#5557)

Full Changelog: python-1.2.1...python-1.2.2

Original source

[1.2.1] - 2026-04-28

Added

• agent-framework-foundry-hosting: Add file data type support to hosted-agent Responses, refresh foundry-hosted-agents samples, and add response test coverage (#5485)
• samples: Add requirements.txt and .env.example to the a2a/ hosting sample for pip-based setup (#5510)

Changed

• dependencies: Update rich requirement from <15.0.0,>=13.7.1 to >=13.7.1,<16.0.0 in /python (#5227)
• dependencies: Bump prek from 0.3.8 to 0.3.9 in /python (#5228)
• dependencies: Bump python-multipart from 0.0.22 to 0.0.26 in /python (#5286)
• dependencies: Bump pyasn1 from 0.6.2 to 0.6.3 in /python (#4748)
• dependencies: Bump pytest from 9.0.2 to 9.0.3 in /python/packages/ag-ui (#5461)
• dependencies: Bump pytest from 9.0.2 to 9.0.3 in /python/packages/devui (#5492)
• dependencies: Bump pytest from 9.0.2 to 9.0.3 in /python/packages/lab (#5470)
• dependencies: Bump uv from 0.11.3 to 0.11.6 in /python/packages/lab (#5469)
• dependencies: Bump vite from 7.1.12 to 7.3.2 in /python/packages/devui/frontend (#5127)
• dependencies: Bump vite from 7.1.12 to 7.3.2 in /python/samples/05-end-to-end/chatkit-integration/frontend (#5126)
• dependencies: Bump postcss from 8.5.6 to 8.5.10 in /python/packages/devui/frontend (#5484)
• dependencies: Bump postcss from 8.5.6 to 8.5.10 in /python/samples/05-end-to-end/chatkit-integration/frontend (#5491)
• dependencies: Bump postcss from 8.5.6 to 8.5.12 in /python/samples/05-end-to-end/ag_ui_workflow_handoff/frontend (#5527)
• dependencies: Bump picomatch from 4.0.3 to 4.0.4 in /python/packages/devui/frontend (#4921)
• dependencies: Bump picomatch from 4.0.3 to 4.0.4 in /python/samples/05-end-to-end/ag_ui_workflow_handoff/frontend (#4936)

Fixed

• agent-framework-core: Prevent inner_exception from being lost in AgentFrameworkException (#5167)

Full Changelog: python-1.2.0...python-1.2.1

Original source

[1.2.0] - 2026-04-24

Added

• agent-framework-core: Add functional workflow API (#4238)
• agent-framework-core, agent-framework-github-copilot: Add OpenTelemetry integration for GitHubCopilotAgent (#5142)
• agent-framework-a2a: Add Agent Framework to A2A bridge support (#2403)
• agent-framework-foundry: Surface oauth_consent_request events from Responses API in Foundry clients (#5070)

Changed

• agent-framework-core, agent-framework-foundry: Update FoundryAgent for hosted agent sessions (#5447)
• agent-framework-foundry-hosting: Upgrade hosting server dependency and add more type support (#5459)

Fixed

• agent-framework-ag-ui: Fix reasoning role and multimodal media parsing to follow specification (#5389)
• agent-framework-foundry: Stop emitting [TOOLBOXES] warning for every FoundryChatClient call (#5440)
• agent-framework-anthropic, agent-framework-azure-ai-search, agent-framework-azure-cosmos: Fix user agent prefix (#5455)

Full Changelog: python-1.1.1...python-1.2.0

Original source

What's Changed

• .NET: Add dynamic tool expansion sample by @westey-m in #5425
• .NET: Update Aspire package to be preview by @westey-m in #5444
• .NET: Fix off-thread RunStatus race where GetStatusAsync can return Running after ResumeAsync halts by @peibekwe in #5412
• .NET: Update versions for release by @westey-m in #5449
• .NET: Add streaming support to A2A agent handler by @SergeyMenshykh in #5427
• .NET: dotnet: Add server-side Foundry Toolbox support and fix SDK beta.4 br… by @alliscode in #5450

Full Changelog: dotnet-1.2.0...dotnet-1.3.0

Original source

[1.1.1] - 2026-04-23

Added

• agent-framework-core: Add expected_output ground-truth support to evaluate_workflow for similarity evaluators (#5234)
• agent-framework-ag-ui, agent-framework-a2a: Propagate thread_id and forwarded_props through AG-UI to A2A context_id (#5383)
• samples: Add second approval-required tool (set_stop_loss) to concurrent_builder_tool_approval sample (#4875)
• agent-framework-core: Add SKIP_PARSING sentinel for FunctionTool.invoke to bypass Content-wrapping and return raw function results (#5424)

Changed

• agent-framework-foundry-hosting: Correct Development Status classifier from Beta (4) to Alpha (3) to match the package's lifecycle stage (#5387)
• tests: Add Python flaky test report workflow (#5342)
• agent-framework-hyperlight: Simplify host callback to pass raw Python results via SKIP_PARSING, switch execute_code input schema to a plain JSON-schema dict, and tighten public API surface (#5424)

Fixed

• agent-framework-openai: Fix OpenAI Responses streaming to propagate created_at from the final response.completed event (#5382)
• agent-framework-openai: Fix OpenAIEmbeddingClient to use AsyncOpenAI for /openai/v1 endpoints (#5137)
• agent-framework-openai: Exclude null file_id from input_image payload to prevent schema 400 errors (#5125)
• agent-framework-foundry: Reconcile Toolbox hosted-tool payloads with the Responses API (#5414)
• agent-framework-ag-ui: Pass client thread_id as session_id when constructing AgentSession (#5384)
• agent-framework-hyperlight: Thread-confine WasmSandbox interactions via per-entry ThreadPoolExecutor to eliminate the PyO3 unsendable panic when touched from asyncio worker threads (#5424)

Full Changelog: python-1.1.0...python-1.1.1

Original source

Changes

f2b215a .NET [WIP] Foundry Hosted Agents Support (#5312) [ #5091, #5287, #5278, #5281, #5316, #5336, #5341, #5367, #5368, #5371, #5374, #5406, #5408 ]

57fa8ea Python: Fix OpenAIEmbeddingClient to use AsyncOpenAI for /openai/v1 endpoints (#5137) [ #5068 ]

aa582d0 Python: feat(evals): add ground_truth support for similarity evaluator (#5234)

8f17067 .NET: Update .NET package version 1.2.0 (#5364)

267351b .NET: Expand Workflow Unit Test Coverage (#5390)

adcd2d3 .NET: Declarative workflows - Gracefully handle agent scenarios when no response is returned (#5376)

d5777bc fix: Duplicate CallIds cause Handoff Message Filtering to fail (#5359)

b6b191a Python: Add second approval-required tool (set_stop_loss) to concurrent_builder_tool_approval sample (#4875) [ #4874 ]

2c80367 Python: Bump versions for a release. Update CHANGELOG (#5385)

ce8b630 Python: Foundry hosted agent V2 (#5379) [ #5177, #5215, #5235, #5261, #5281, #5284, #5298, #5372, #5378 ]

See More

07f4c8a Python: Expose forwardedProps to agents and tools via session metadata (#5264) [ #5239 ]

04aaf0c Python: Add support for Foundry Toolboxes (#5346)

3e54a68 Python: Add search tool content for OpenAI responses (#5302)

60af59b .NET: Features/3768-devui-aspire-integration (#3771)

69894ed Python: Flatten hyperlight execute_code output (#5333)

495e1da Python: Fix CopilotStudioAgent to reuse conversation ID from existing session (#5299) [ #5285 ]

5777ed2 .NET: fix: Add session support for Handoff-hosted Agents (#5280)

52303a8 .NET: Add Code Interpreter container file download samples (#5014) [ #3081 ]

c85d24d .NET: Fix declarative resume edge predicates to recognize both direct and PortableValue-wrapped forms after checkpoint restore (#5323)

b03cb32 Python: Add Hyperlight CodeAct package and docs (#5185)

dbf935b .NET: fix: Foundry Agents without description in Handoff (#5311)

ca580a8 .NET: Add error checking to workflow samples (#5175)

101e07b .NET: Add Handoff sample (#5245)

aee1acb .NET: Foundry Evals integration for .NET (#4914) [ #5269 ]

91e3435 Python: Feat: Add finish_reason support to AgentResponse and AgentResponseUpdate (#5211) [ #4622 ]

90a6339 Python: Fix Gemini client support for Gemini API and Vertex AI (#5258)

c14beed test: Add Handoff composability test (#5208)

43d9897 fix: propagate A2A metadata with namespaced key in additional_properties (#5240) (#5256)

60da0ff .NET: Improve local release build perf by only formatting for one build target framework (#5266)

a204482 .NET: Update Microsoft.Extensions.AI to 10.5.0 and OpenAI to 2.10.0 and remove unused refs (#5269)

435c66e Python: Handle url_citation annotations in FoundryChatClient streaming responses (#5071) [ #5029 ]

52d50be Bump Anthropic SDK to 12.13.0 and Anthropic.Foundry to 0.5.0 (#5279)

d20f9b5 Add AgentExecutorResponse.with_text() to preserve conversation history through custom executors (#5255) [ #5246 ]

87a8fa2 .NET: Fix intermittent checkpoint-restore race in in-process workflow runs (#5134)

8f7fd95 Python: Add OpenAI types to default checkpoint encoding allow list (#5297)

6969706 Python: Add context_providers and description to workflow.as_agent() (#4651)

fe4cd3c Revert to public MCP server and skip on transient upstream errors (#5296)

611230c Python: improve misc-integration test robustness (#5295)

f112150 Python: bump misc-integration retry delay to 30s (#5293)

ff05c22 Python: add experimental file history provider (#5248)

eab7f09 Forward provider config to SessionConfig in GitHubCopilotAgent (fixes #5190) (#5195)

68b9364 Python: Bump agent-framework-devui to 1.0.0b260414 for release (#5259)

2b251d9 Python: Fix reasoning replay when store=False (#5250)

485af07 Python: Add GeminiChatClient (#4847)

64c68ca Python: Skip get_final_response in OTel _finalize_stream when stream errored (#5232) [ #5231 ]

98e1776 Python: Fix DevUI streaming memory growth and add cross-platform regression coverage (#5221)

7bb0fec Python: Move InMemory history provider injection to the first invocation (#5236)

f183f88 Python: AG-UI deterministic state updates from tool results (#5201)

3c31ac2 Python: Fix HandoffBuilder dropping function-level middleware when cloning agents (#5220) [ #5173 ]

1b95e85 Python: Add allowed_checkpoint_types support to CosmosCheckpointStorage for parity with FileCheckpointStorage (#5202) [ #5200, #3 ]

b89adb2 Python: skill name validation improvements (#4530)

9133974 Bump pygments from 2.19.2 to 2.20.0 in /python (#4978)

952e685 Python: Fix python-feature-lifecycle skill YAML frontmatter (#5226)

b1fb63e .NET: Update AGUI service to support session storage (#5193)

76fe731 .NET: feat: Refactor Handoff Orchestration and add HITL support (#5174)

39b560f Add missing path to verify-samples run checkout (#5194)

This list of changes was auto generated.

Original source

[1.1.0] - 2026-04-21

Added

• agent-framework-gemini: Add GeminiChatClient (#4847)
• agent-framework-core: Add context_providers and description to workflow.as_agent() (#4651)
• agent-framework-core: Add experimental file history provider (#5248)
• agent-framework-core: Add OpenAI types to the default checkpoint encoding allow list (#5297)
• agent-framework-core: Add AgentExecutorResponse.with_text() to preserve conversation history through custom executors (#5255)
• agent-framework-a2a: Propagate A2A metadata from Message, Artifact, Task, and event types (#5256)
• agent-framework-core: Add finish_reason support to AgentResponse and AgentResponseUpdate (#5211)
• agent-framework-hyperlight: Add Hyperlight CodeAct package and docs (#5185)
• agent-framework-openai: Add search tool content support for OpenAI responses (#5302)
• agent-framework-foundry: Add support for Foundry Toolboxes (#5346)
• agent-framework-ag-ui: Expose forwardedProps to agents and tools via session metadata (#5264)
• agent-framework-foundry: Add hosted agent V2 support (#5379)

Changed

• agent-framework-azure-cosmos: [BREAKING] CosmosCheckpointStorage now uses restricted pickle deserialization by default, matching FileCheckpointStorage behavior. If your checkpoints contain application-defined types, pass them via allowed_checkpoint_types=["my_app.models:MyState"]. (#5200)
• agent-framework-core: Improve skill name validation (#4530)
• agent-framework-azure-cosmos: Add allowed_checkpoint_types support to CosmosCheckpointStorage for parity with FileCheckpointStorage (#5202)
• agent-framework-core: Move InMemory history provider injection to first invocation (#5236)
• agent-framework-github-copilot: Forward provider config to SessionConfig in GitHubCopilotAgent (#5195)
• agent-framework-hyperlight-codeact: Flatten execute_code output (#5333)
• dependencies: Bump pygments from 2.19.2 to 2.20.0 in /python (#4978)
• tests: Bump misc integration retry delay to 30s (#5293)
• tests: Improve misc integration test robustness (#5295)
• tests: Skip hosted tools test on transient upstream MCP errors (#5296)

Fixed

• agent-framework-core: Fix python-feature-lifecycle skill YAML frontmatter (#5226)
• agent-framework-core: Fix HandoffBuilder dropping function-level middleware when cloning agents (#5220)
• agent-framework-ag-ui: Fix deterministic state updates from tool results (#5201)
• agent-framework-devui: Fix streaming memory growth and add cross-platform regression coverage (#5221)
• agent-framework-core: Skip get_final_response in _finalize_stream when the stream has errored (#5232)
• agent-framework-openai: Fix reasoning replay when store=False (#5250)
• agent-framework-foundry: Handle url_citation annotations in FoundryChatClient streaming responses (#5071)
• agent-framework-gemini: Fix Gemini client support for Gemini API and Vertex AI (#5258)
• agent-framework-copilotstudio: Fix CopilotStudioAgent to reuse conversation ID from an existing session (#5299)

Full Changelog: python-1.0.1...python-1.1.0

Original source