Changelog

New Features:

Followups: Added built-in followup suggestions for Agent and Team. See cookbook.
Datetime Format: Added datetime_format parameter to Agent and Team, allowing custom strftime formatting for datetime context (e.g., ISO-8601, date-only, localized).
Tool Hook Message History: Tool pre/post hooks and agent-level tool_hooks can now access the current run's message history via run_context.messages
GoogleCalendarTools: Extended GoogleCalendarTools with new tools, service account auth, and cookbooks.

HITL: Fixed human in the loop to support add_history_to_context during multi-round conversations while running
Tools: Removed (None) prefix from tool parameter descriptions
Siliconflow Model Provider: Updated to use correct default base_url from .com to .cn
Learning PROPOSE Mode: Auto-enable chat history for LearningMode.PROPOSE for multi-turn confirmation.
AgentOS API Docs: Added descriptions to all Form/File parameters across agent, team, and workflow API endpoints for OpenAPI/Swagger visibility

fix: resolved continue_run, missing history messages issue by @abhi10691 in #6888
fix: remove (None) prefix from tool parameter descriptions by @fehmisener in #6906
feat: add datetime_format to Agent and Team for custom datetime context by @hztBUAA in #6649
feat: expose run message history to tool hooks with mutation safety by @hztBUAA in #6652
feat: built-in followup suggestions for Agent and Team by @ysolanky in #6672
[fix] siliconflow: correct default base_url from .com to .cn by @NIK-TIGER-BILL in #6933
feat: extend GoogleCalendarTools with new tools, service account auth, and cookbooks by @Mustafa-Esoofally in #6926
fix: auto-enable chat history for LearningMode.PROPOSE by @Mustafa-Esoofally in #6928
chore: add form parameter descriptions to AgentOS API endpoints by @uzaxirr in #6941
chore: Release v2.5.9 by @kausmeows in #6940

Full Changelog: v2.5.8...v2.5.9