python-1.0.0b260212

[1.0.0b260212] - 2026-02-12

Important

To see details about related breaking changes, please visit the Python 2026 Significant Changes Guide.

Added

• agent-framework-core: Allow AzureOpenAIResponsesClient creation with Foundry project endpoint (#3814)

Changed

• agent-framework-core: [BREAKING] Wire context provider pipeline, remove old types, update all consumers (#3850)
• agent-framework-core: [BREAKING] Checkpoint refactor: encode/decode, checkpoint format, etc (#3744)
• agent-framework-core: [BREAKING] Replace Hosted*Tool classes with tool methods (#3634)
• agent-framework-core: Replace Pydantic Settings with TypedDict + load_settings() (#3843)
• agent-framework-core: Centralize tool result parsing in FunctionTool.invoke() (#3854)
• samples: Restructure Python samples into progressive 01-05 layout (#3862)
• samples: Adopt AzureOpenAIResponsesClient, reorganize orchestration examples, and fix workflow/orchestration bugs (#3873)

Fixed

• agent-framework-core: Fix non-ascii chars in span attributes (#3894)
• agent-framework-core: Fix streamed workflow agent continuation context by finalizing AgentExecutor streams (#3882)
• agent-framework-ag-ui: Fix Workflow.as_agent() streaming regression (#3875)
• agent-framework-declarative: Fix declarative package powerfx import crash and response_format kwarg error (#3841)