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@rodrigobr-msft rodrigobr-msft released this 01 Oct 20:59
· 21 commits to main since this release
v1.8.0
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Microsoft 365 Agents SDK for Python - Release Notes v1.8.0

Release Date: 2026-10-01
Previous Version: 1.7.0 (Released 2026-09-17)

Major Features & Enhancements

  • Attachment Downloaders: Added AttachmentDownloader and M365AttachmentDownloader for downloading standard, Microsoft Teams, and Microsoft 365 Copilot attachments into TurnState.temp.input_files.
  • Teams API Dependency: Updated microsoft-agents-hosting-msteams to use microsoft-teams-api 2.1.0
  • Teams API Client Performance: Reused a cached SSL context when constructing per-turn Teams API clients, reducing repeated CA certificate loading and client initialization overhead

Developer Experience

  • Targeted Reply Prompt Previews: Added automatic prompt-preview metadata when replying to inbound targeted activities, along with helpers for detecting targeted recipients and reading TargetedMessageInfo
  • Teams Quoted Replies: Added TeamsActivity.add_quoted_reply() for creating quoted replies and get_quoted_messages() for reading quoted-message metadata, with typed QuotedReply and QuotedReplyData models
  • Targeted Activity Sending: Improved TeamsTurnContext.send_targeted_activity() to accept text or an activity plus a recipient ID or ChannelAccount, preserve the intended recipient when applying conversation references, and send the Teams isTargetedActivity=true connector parameter

Samples

  • Teams Conversation Agent Sample: Expanded the sample and package documentation with targeted activity and quoted reply examples
  • Handling Attachments Sample: Added a sample demonstrating incoming attachment downloads, inline and internet-hosted attachments, and Teams attachment uploads.

Bug Fixes

  • Client Citation Deserialization: Fixed deserialization of citations containing @id values

Developer Experience

  • AgentApplication Adapter Ownership Deprecation: Deprecated the notion that an AgentApplication owns a single adapter. Applications no longer need to be initialized with an adapter; instead, operations such as conversation continuations and long-running calls use the adapter from the current TurnContext. This decouples AgentApplication from adapter initialization.
  • Request ID Propagation: Added request_id to Activity and ConversationReference, with automatic generation for incoming HTTP requests and propagation through conversation references and continuation activities for end-to-end request tracing (#591)

Breaking Changes

  • Deprecated API Removal: Removed the deprecated BasicCard and MediaCard types, ClaimsIdentity.is_authenticated, AgentApplication.parse_env_vars_configuration, and the CardFactory.ContentTypes alias (#603)
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