microsoft/agent-framework python-1.0.0b260123 on GitHub

[1.0.0b260123] - 2026-01-23

agent-framework-azure-ai: Add support for rai_config in agent creation (#3265)
agent-framework-azure-ai: Support reasoning config for AzureAIClient (#3403)
agent-framework-anthropic: Add response_format support for structured outputs (#3301)

agent-framework-core: [BREAKING] Simplify content types to a single class with classmethod constructors (#3252)
agent-framework-core: [BREAKING] Make response_format validation errors visible to users (#3274)
agent-framework-ag-ui: [BREAKING] Simplify run logic; fix MCP and Anthropic client issues (#3322)
agent-framework-core: Prefer runtime kwargs for conversation_id in OpenAI Responses client (#3312)

agent-framework-core: Verify types during checkpoint deserialization to prevent marker spoofing (#3243)
agent-framework-core: Filter internal args when passing kwargs to MCP tools (#3292)
agent-framework-core: Handle anyio cancel scope errors during MCP connection cleanup (#3277)
agent-framework-core: Filter conversation_id when passing kwargs to agent as tool (#3266)
agent-framework-core: Fix use_agent_middleware calling private _normalize_messages (#3264)
agent-framework-core: Add system_instructions to ChatClient LLM span tracing (#3164)
agent-framework-core: Fix Azure chat client asynchronous filtering (#3260)
agent-framework-core: Fix HostedImageGenerationTool mapping to ImageGenTool for Azure AI (#3263)
agent-framework-azure-ai: Fix local MCP tools with AzureAIProjectAgentProvider (#3315)
agent-framework-azurefunctions: Fix MCP tool invocation to use the correct agent (#3339)
agent-framework-declarative: Fix MCP tool connection not passed from YAML to Azure AI agent creation API (#3248)
agent-framework-ag-ui: Properly handle JSON serialization with handoff workflows as agent (#3275)
agent-framework-devui: Ensure proper form rendering for int (#3201)