Releases: microsoft/Agents-for-python
Microsoft 365 Agents SDK for Python - Release Notes v0.9.0
Microsoft 365 Agents SDK for Python - Release Notes v0.9.0
Release Date: April 15, 2026
Previous Version: 0.8.0 (Released February 23, 2026)
Major Features & Enhancements
- OpenTelemetry Support: Full distributed tracing and metrics support with traces spanning adapter, app, auth, OAuth, storage, and turn-context layers. Includes a new OTel sample and comprehensive test coverage (#341)
- Proactive Messaging: New
proactivemodule inAgentApplicationwithConversation,ConversationBuilder, andConversationReferenceBuilderabstractions for initiating outbound conversations (#350) - FederatedCredentials Auth Type: Support for Managed Identity with Federated Identity Credential (FIC) authentication type in MSAL auth (#353)
- PFX Certificate Auth: Support for PFX files in MSAL Certificate authentication type (#349)
Bug Fixes
- MCS Connector: Fixed incorrect connector creation in
RestChannelServiceClientFactoryfor MCS channels (#360) - FastAPI JWT Middleware: Fixed parity with aiohttp by correcting async handling in JWT authorization middleware (#343)
- OpenTelemetry Testing Utility: Fixed
DeltaMetricReadertest utility (#362)
Developer Experience
- Streaming Consolidation: Moved
StreamingResponse,Citation, andCitationUtilfromhosting-aiohttpandhosting-fastapiintohosting-core, eliminating duplication (#339) - PyJWKClient Caching: Added thread-safe JWK client caching with a dedicated
JwkClientManagerclass to reduce redundant token-key fetches (#338) - Connector Validation: Improved response-data validation in
ConversationsOperationsmethods with added test coverage (#317)
Documentation
- Packages Overview: Added missing
microsoft-agents-hosting-fastapientry to the README packages overview (#346)
Microsoft 365 Agents SDK for Python - Release Notes v0.8.0
Microsoft 365 Agents SDK for Python - Release Notes v0.8.0
Release Date: February 23, 2026
Previous Version: 0.7.0 (Released January 21, 2026)
Major Features & Enhancements
- Microsoft Copilot Studio (MCS) Connector: Full MCS connector support with OAuth OBO token exchange, new
connector_userrole type, andcopilot_studiochannel enum value (#295) - Enhanced Multi-Tenant Authentication: Dynamic MSAL client resolution with robust authority and tenant handling for multi-tenant scenarios. Updated MSAL version (#301, #307)
- Integration Testing Framework Overhaul: Replaced legacy data-driven test infrastructure with a modern scenario-based framework. Introduces
Scenario,ClientFactory, andAgentClientabstractions; a fluent assertion API with per-item field-mismatch reporting; a new CLI withenv,chat,post, andscenario runcommands; and a@pytest.mark.agent_testplugin exposing agent internals as fixtures (#315) - Copilot Studio Client – DirectConnect URL Support: Added
direct_connect_urlparameter toConnectionSettingsfor simplified single-URL connection setup, bypassing environment-ID lookup. Includes automatic cloud-based token-audience resolution from the URL (#325)
New Models & APIs
StartRequest: Advanced conversation-start options with optionallocaleandconversation_idparameters (#325)SubscribeEvent/SubscribeRequest/SubscribeResponse: Models for real-time event streaming with SSE resumption support (#325)UserAgentHelper: Utility class that automatically injects SDK version and platform information into HTTPUser-Agentheaders (#325)ConnectionSettings.populate_from_environment(): Static method that loadsConnectionSettingsfrom environment variables (#325)use_experimental_endpoint/enable_diagnostics: NewConnectionSettingsflags for experimental endpoint capture and HTTP diagnostic logging (#325)
Bug Fixes
- FastAPI JWT Middleware: Removed incorrect
awaitfrom synchronousget_anonymous_claims()call in FastAPI JWT middleware (#299)
Developer Experience
- JWT Token Decode Demo: New Adaptive Card integration demonstrating JWT token decode functionality (#307)
0.7.0 Agents M365 SDK for Python Release Latest
Microsoft 365 Agents SDK for Python - Release Notes v0.7.0
Release Date: January 21, 2026
Previous Version: 0.6.1 (Released December 2, 2025)
Enhancements
- Authentication & Token Management: Centralized token scope handling with new
get_token_scopemethod inClaimsIdentityfor consistent scope determination across ChannelServiceAdapter and RestChannelServiceClientFactory (#290) - Storage Backend Improvements: AsyncTokenCredential support for CosmosDB and Blob Storage configurations, with enhanced async resource cleanup and improved error handling (#283)
- Copilot Studio Integration: Configurable
aiohttp.ClientSessioncreation throughConnectionSettings.client_session_kwargsparameter for custom HTTP client behavior (#278) - Configuration & Logging: Log configuration support via
.envfile with newconfigure_loggingfunction (#230)
Documentation
- Installation instructions simplified by removing test PyPI references (#284)
0.6.1 Agents M365 SDK for Python Release
Microsoft 365 Agents SDK for Python - Release Notes v0.6.1
Release Date: December 1, 2025
Previous Version: 0.6.0 (Released November 18, 2025)
Changes Documented
0.6.0 Agents M365 SDK for Python Release
Microsoft 365 Agents SDK for Python - Release Notes v0.6.0
Release Date: November 18, 2025
Previous Version: 0.5.0 (Released October 22, 2025)
Major Features
- FastAPI Integration Package (#176) - New
microsoft-agents-hosting-fastapihosting option - Distributed Error Resources (#223, #237, #240) - Standardized error codes (-60000 to -66999 ranges) with help URLs across all packages
- TypingIndicator Simplification (#212) - Explicit
start()/stop()API, removed async locking complexity
Bug Fixes
- ChannelServiceAdapter.create_conversation flow (#233)
- Streaming disabled for agentic requests on Teams (#243)
- HTTP client error handling with precise status code checks (#202)
- M365Copilot channel detection (#208, #210)
- Copilot Studio client conversation ID persistence (#195)
- Default max conversation ID length reduced to 150 (#196)
Documentation
0.5.0 Agents M365 SDK for Python Release
Microsoft 365 Agents SDK for Python - Release Notes v0.5.0
Release Date: October 22, 2025
Previous Version: 0.4.0 (Released October 7, 2025)
🎉 What's New in 0.5.0
This release represents a significant step forward in the Microsoft 365 Agents SDK for Python, focusing on enhanced Python version support, improved developer experience, and robust new features for building enterprise-grade conversational agents.
🔄 Breaking Changes
Python Version Requirements
- Dropped Support: Python 3.9 is no longer supported
- New Minimum: Python 3.10 is now the minimum required version
- Migration: Update your Python environment to 3.10 or later before upgrading
Import Structure (from previous releases)
If you haven't already migrated from earlier versions, note the import structure change:
# Old (no longer supported)
from microsoft.agents.activity import Activity
# New (current)
from microsoft_agents.activity import Activity🚀 Major Features & Enhancements
Expanded Python Version Support
The SDK now officially supports Python versions 3.10 through 3.14, providing developers with flexibility to use the latest Python features and improvements. This aligns with the currently supported versions of Python.
Key Changes:
- Added support for Python 3.12, 3.13, and 3.14
- Updated minimum Python requirement to 3.10 (dropped Python 3.9 support)
- Updated CI/CD pipelines to test against all supported Python versions
- Enhanced compatibility testing across the Python ecosystem
Pull Requests:
- #177 - Add support for Python versions 3.12, 3.13, and 3.14
- #172 - Update Python version requirements to 3.10
Sub-Channel Identification Support
A powerful new feature that enables agents to handle complex channel routing and identification scenarios.
New Capabilities:
- Enhanced Activity model with sub-channel identification
- New
ChannelIdclass for managing channel routing - Support for channel-specific entity handling
- Improved conversation routing and context management
Technical Details:
- Added
_channel_id_field_mixin.pyfor channel ID management - Enhanced Activity serialization with channel identification
- New entity types for product information and geo-coordinates
- Comprehensive test coverage for sub-channel scenarios
Pull Request:
📚 Documentation & Developer Experience
Comprehensive Library Documentation
Each package now includes detailed README files with examples, installation instructions, and usage guidance.
New Documentation:
- Individual README files for all 8 core libraries
- PyPI-friendly descriptions for better package discovery
- Comprehensive SDK overview and getting started guides
- Sample code and best practices for each component
Libraries with New Documentation:
microsoft-agents-activity- Core activity handling and modelsmicrosoft-agents-authentication-msal- MSAL authentication integrationmicrosoft-agents-copilotstudio-client- Copilot Studio connectivitymicrosoft-agents-hosting-aiohttp- AIOHTTP-based hostingmicrosoft-agents-hosting-core- Core hosting functionalitymicrosoft-agents-hosting-teams- Microsoft Teams integrationmicrosoft-agents-storage-blob- Azure Blob Storage supportmicrosoft-agents-storage-cosmos- Azure Cosmos DB storage
Pull Request:
Enhanced Type Annotations
Improved code clarity and IDE support through comprehensive type annotations across the SDK.
Improvements:
- Enhanced type hints for better IntelliSense support
- Improved static analysis capabilities
- Better error detection during development
- Consistent typing patterns across all modules
Pull Request:
🔧 Developer Tools & Quality Improvements
PyTest Warning Cleanup
Eliminated test warnings to provide a cleaner development experience and stricter quality enforcement.
Quality Improvements:
- Cleaned up test classes to eliminate PyTest warnings
- Enhanced test reliability and consistency
- Improved CI/CD pipeline stability
- Better error reporting and debugging
Pull Request:
- #168 - Cleanup test classes to eliminate warnings from PyTest
- #164 - Refactor testing functions to use create_ prefix
- #166 - Refactor timestamp handling in FileTranscriptStore
🔐 Authentication & Security Enhancements
OAuth Flow Consolidation
Simplified OAuth authentication flows for better security and ease of use.
Improvements:
- Consolidated OAuth flow
begin_flowcalls into single API - New
getTokenOrSignInResourceAPI for streamlined authentication - Reduced complexity in authentication setup
- Improved security patterns and best practices
Pull Request:
License Information
Added comprehensive license information to all package configurations for better compliance and transparency.
Changes:
- Modernize license tagging in all
pyproject.tomlfiles - Improved package metadata for PyPI
- Enhanced compliance with open source standards
- Better legal clarity for enterprise adoption
Pull Request:
🐛 Bug Fixes & Maintenance
Activity Model Improvements
Removed deprecated "delay" activity type to simplify the activity model and improve clarity.
Changes:
- Removed "delay" activity as an implied activity type
- Simplified activity handling logic
- Improved activity model consistency
Pull Request:
Documentation Fixes
Multiple rounds of documentation improvements for better clarity and accuracy.
Improvements:
- Fixed documentation comments across multiple modules
- Improved code examples and usage patterns
- Enhanced API documentation
- Better consistency in documentation style
Pull Requests:
📦 Package Information
Included Libraries
This release includes the following 8 core libraries:
- microsoft-agents-activity - Core activity models and handling
- microsoft-agents-authentication-msal - MSAL authentication integration
- microsoft-agents-copilotstudio-client - Copilot Studio client connectivity
- microsoft-agents-hosting-aiohttp - AIOHTTP-based agent hosting
- microsoft-agents-hosting-core - Core hosting functionality and abstractions
- microsoft-agents-hosting-teams - Microsoft Teams-specific hosting
- microsoft-agents-storage-blob - Azure Blob Storage integration
- microsoft-agents-storage-cosmos - Azure Cosmos DB storage integration
Python Version Support
- Supported Versions: Python 3.10, 3.11, 3.12, 3.13, 3.14
- Minimum Required: Python 3.10
- Recommended: Python 3.11 or later for optimal performance
🚀 Getting Started
Installation
Install individual packages as needed:
pip install microsoft-agents-activity
pip install microsoft-agents-hosting-core
pip install microsoft-agents-hosting-aiohttp
# ... other packages as neededQuick Start
from microsoft_agents.activity import Activity
from microsoft_agents.hosting.core import TurnContext
from microsoft_agents.hosting.aiohttp import start_agent_process
# Your agent implementation hereSample Applications
Explore comprehensive samples and documentation at:
🙏 Acknowledgments
Special thanks to all contributors who made this release possible, including the Microsoft 365 Agents team and the open source community for their valuable feedback and contributions.
📞 Support & Resources
- Documentation: Microsoft 365 Agents SDK
- Issues: GitHub Issues
- Samples: Agent Samples Repository
- Community: Join our developer community discussions
For technical support and questions, please use the GitHub Issues page or refer to our comprehensive documentation and samples.