v1.4.380

danielmiessler/Fabricv1.4.380Jan 16, 2026by github-actions[bot]

AI Summary

Adds Microsoft Copilot as a new AI vendor, enabling OAuth2 authentication and querying of Microsoft 365 data including emails, documents, and chats.

Key Highlights

New Microsoft Copilot vendor integration
OAuth2 authentication support for delegated permissions
Querying of Microsoft 365 data (emails, documents, chats)
Comprehensive setup instructions and troubleshooting documentation

New Features

Microsoft Copilot integration
Azure AD app registration setup guide
Synchronous and streaming response support
Troubleshooting steps for common API errors

Full Release Notes

## Changes

### PR [#1936](https://github.com/danielmiessler/Fabric/pull/1936) by [ksylvan](https://github.com/ksylvan): New Vendor: Microsoft Copilot

- Add Microsoft 365 Copilot integration as a new AI vendor with OAuth2 authentication for delegated user permissions
- Enable querying of Microsoft 365 data including emails, documents, and chats with both synchronous and streaming response support
- Provide comprehensive setup instructions for Azure AD app registration and detail licensing, technical, and permission requirements
- Add troubleshooting steps for common authentication and API errors with current API limitations documentation
- Fix SendStream interface to use domain.StreamUpdate instead of chan string to match current Vendor interface requirements