Changelog

New Features:

Knowledge Protocol: Introduced KnowledgeProtocol The main Knowledge implementation now satisfies this interface. Any other implementation may be used with Agent/Team. Note - Only the main Agno Knowledge implementation of this protocol currently supports AgentOS Knowledge management.
Agent Builder: Users can now persist and manage Agent, Team, and Workflow configurations directly in the database. New AgentOS endpoints enable programmatic creation, retrieval, and updates of component definitions.
New Events: Added new events for Model, compression and memory.
- ModelRequestStarted and ModelRequestCompleted
- CompressionStarted and CompressionCompleted
- Update MemoryUpdateCompleted to contain the memory content.
Gemini file inputs: Add direct GCS and external URL support for Gemini file inputs
TavilyTools: Add api_base_url parameter support to TavilyTools for custom hosted usecases.

Default DB on AgentOS: Add db to the AgentOS class. If populated, it propagates to all
agents, teams and workflows without db. It is also used as tracing db.
Deprecated enable_user_memories : Introduced update_memory_on_run for the same behavior.
Knowledge config endpoint: Improved checking for available readers without needing instantiation of the reader classes. Reduced unnecessary warnings and improved response times.
Unify dates format on OS API layer: Unify the format of all dates we send via the OS API. Everything is now a UTC datetime
AgentOS Trailing Slash Handling: Add a TrailingSlashMiddleware that strips trailing slashes from request paths, all endpoints returns identical responses without 307 redirects.
Pass instructions as is without XML tags:
- Agent & Team: Instructions are now added directly to the system message without <instructions> tags by default
- Added add_instruction_tags=True option to restore the previous behavior for users who prefer structured prompts

LanceDB: Fixed a bug for duplicate embeddings during async insert and upsert operations.
Qdrant Async Search: Fixed async search methods which were preventing event loop blocking during concurrent async operations.
CSV Reader: CSVReader and FieldLabeledCSVReader ignored encoding parameter for BytesIO inputs - always used hardcoded "utf-8" instead of self.encoding or "utf-8".
PDF Reader: Fixed bug where empty string passwords ("") were incorrectly treated as None due to Python's falsy evaluation
Openrouter with Gemini: Adds support for preserving Gemini's reasoning_details field when using OpenRouter, fixing multi-turn conversation issues.
MongoDB Async Search: Fixed async_search() to use async_get_embedding() instead of blocking get_embedding() calls, preventing event loop blocking during concurrent async operations.
Gemini vertex ai file upload: Fixed a bug where on trying to upload files to Gemini via Vertex AI, the API returned a 400 error.
Skills System Prompt: Fixed an issue where agents attempted to call skill names directly as functions, resulting in "Function not found" errors.

Remove all deprecated fields:
- session_state, dependencies, user_id etc in tool functions and hooks where RunContext has replaced it
- stream_intermediate_steps → stream_events
- yield_run_response → yield_run_output
- delegate_task_to_all_members removed from Team class
Add WebSearchTools: Replacing DDG websearch tool with a Generic web search tool which will be the default on for any websearch related cookbooks & docs.
Knowledge add_content() renamed to insert(): The add_content() method and its variants have been renamed to insert() insert_many Old method names are still supported, but all examples and docs will soon only reference the new methods.
AgentOS tracing_db : tracing_db has been deprecated in favor of db parameter on the AgentOS.

fix: gemini vertex ai file upload error by @Mustafa-Esoofally in #5857
chore: Demo script for windows by @VirusDumb in #5965
[fix] Add missing attributes to RemoteAgent for Team compatibility by @AhmedA-afk in #5987
fix: use async embedder in async search methods for qdrant by @uzaxirr in #6002
fix: use async embedder in MongoDB async_search to prevent event loop blocking by @uzaxirr in #6003
fix: prevent duplicate embedding in LanceDB insert() by @pengzy-cosmo in #5919
feat: Add direct GCS and external URL support for Gemini file inputs by @Mustafa-Esoofally in #5997
[feat] Add api_base_url parameter support to TavilyTools by @ormeilu in #5962
feat(cookbook): Revamp 01_demo with new impressive agents by @ashpreetbedi in #6010
fix: add TrailingSlashMiddleware to normalize URL paths by @uzaxirr in #5985
fix: Allow empty string passwords for PDF decryption by @Mustafa-Esoofally in #6053
fix: clarify that skill names are not callable functions by @ysolanky in #6062
feat: v2.4.0 by @kausmeows in #5818
fix: Update failing integration test prompt by @willemcdejongh in #6074
feat: merge v2.4.0 with cookbook refactoring by @ashpreetbedi in #6042
fix: preserve Router client across copies for background tasks by @ysolanky in #6064
fix: correct openai-agents install instruction by @harshsinha03 in #6076
chore: Release 2.4.0 by @kausmeows in #6066

Full Changelog: v2.3.26...v2.4.0