[1.0.0b260128] - 2026-01-28 Changed agent-framework-core: [BREAKING] Renamed @ai_function decorator to @tool and AIFunction to FunctionTool (#3413) agent-framework-core: [BREAKING] Add factory pattern to GroupChatBuilder and MagenticBuilder (#3224) agent-framework-github-copilot: [BREAKING] Renamed Github to GitHub (#3486)