Copilot Studio
Microsoft Learn
What's new in Copilot Studio
Retirement
Builder-focused
Updates for models used in Copilot Studio:
Between October 27 and 31, 2025, GPT‑4o will be retired in Copilot Studio for agents using generative orchestration, except for GCC customers who can continue using GPT‑4o. The new default model is GPT‑4.1, which delivers improved performance, reliability, and consistency across...
- Published
- 10/01/2025
- Source
- What's new in Copilot Studio
- Why it matters
- because it affects deprecation and migration planning / because it is part of an official update roundup or release-note stream
Copilot Studio
Microsoft Learn
What's new in Copilot Studio
Preview
Builder-focused
(Preview) Group related user questions into themes and drill down into analytics to uncover patterns and gain deeper in...
(Preview) Group related user questions into themes and drill down into analytics to uncover patterns and gain deeper insights.
- Published
- 10/01/2025
- Source
- What's new in Copilot Studio
- Why it matters
- because it signals preview direction early / because it is part of an official update roundup or release-note stream
Copilot Studio
Microsoft Learn
What's new in Copilot Studio
Update
Admin-focusedBuilder-focused
Track time and cost savings for both autonomous and conversational agents to measure ROI and optimize performance.
Track time and cost savings for both autonomous and conversational agents to measure ROI and optimize performance.
- Published
- 10/01/2025
- Source
- What's new in Copilot Studio
- Why it matters
- because it is part of an official update roundup or release-note stream / because it directly affects cost allocation and budget planning
Copilot Studio
Microsoft Learn
What's new in Copilot Studio
Preview
Builder-focused
(Preview) Evaluate your agents using customizable test sets—whether uploaded, manually created, or AI-generated. Test s...
(Preview) Evaluate your agents using customizable test sets—whether uploaded, manually created, or AI-generated. Test sets can include test cases using different test methods (graders) measured against defined reference answers, helping teams identify strengths and areas for imp...
- Published
- 10/01/2025
- Source
- What's new in Copilot Studio
- Why it matters
- because it signals preview direction early / because it is part of an official update roundup or release-note stream
Microsoft 365 Copilot
Microsoft Learn
Microsoft 365 Copilot release notes
Update
Admin-focused
Usage reports for Copilot search [Android, Windows, iOS, Mac, Web]
Administrators gain insights into organizational adoption of Copilot search with new usage reports. Track total search queries, assess trends, and analyze user activity to drive effective adoption strategies. Learn more.
- Published
- 09/30/2025
- Source
- Microsoft 365 Copilot release notes
- Why it matters
- because it is part of an official update roundup or release-note stream / because it improves license evaluation and adoption planning
Copilot Studio
Microsoft Learn
What's new in Copilot Studio
Preview
Builder-focused
(Preview) Accelerate flow execution to minimize timeouts and deliver a faster, smoother user experience.
(Preview) Accelerate flow execution to minimize timeouts and deliver a faster, smoother user experience.
- Published
- 10/01/2025
- Source
- What's new in Copilot Studio
- Why it matters
- because it signals preview direction early / because it is part of an official update roundup or release-note stream
Microsoft 365 Copilot
Microsoft Learn
Microsoft 365 Copilot release notes
Update
Admin-focusedBuilder-focused
Enable ISV discovery through connector catalog [Web]
Discover Independent Software Vendor (ISV) built copilot connectors seamlessly through the connector catalog in the admin center, enhancing integration and functionality across your enterprise applications.
- Published
- 09/30/2025
- Source
- Microsoft 365 Copilot release notes
- Why it matters
- because it is part of an official update roundup or release-note stream / because it materially affects administration or governance
Copilot Studio
Microsoft Learn
What's new in Copilot Studio
Update
Builder-focused
Learn about Copilot Studio Kit, a suite of tools developed by the Power Customer Advisory Team (Power CAT) to help test...
Learn about Copilot Studio Kit, a suite of tools developed by the Power Customer Advisory Team (Power CAT) to help test custom agents, validate AI-generated content, analyze conversation key performance indicators, and more.
- Published
- 10/01/2025
- Source
- What's new in Copilot Studio
- Why it matters
- because it is part of an official update roundup or release-note stream / because it changes builder workflows or agent quality management
Microsoft 365 Copilot
Microsoft Learn
Microsoft 365 Copilot release notes
Update
Builder-focused
Agents support for Copilot Chat and pay-as-you-go on Microsoft 365 Copilot Mobile [Android, iOS]
Agents support for pay-as-you-go and Copilot chat users in now supported on the Microsoft 365 Copilot mobile app for easy usage.
- Published
- 09/30/2025
- Source
- Microsoft 365 Copilot release notes
- Why it matters
- because it is part of an official update roundup or release-note stream / because it directly affects cost allocation and budget planning
Microsoft 365 Copilot
Microsoft Learn
Microsoft 365 Copilot release notes
Update
Admin-focusedBuilder-focused
Copilot Chat now understands attached files like Word, Excel, PowerPoint, PDF, Text, JSON, and XML. [Android, Windows, iOS, Mac, Web]
Users can gather insights not only from the email content but also from attached files, enabling comprehensive context understanding.
- Published
- 09/30/2025
- Source
- Microsoft 365 Copilot release notes
- Why it matters
- because it is part of an official update roundup or release-note stream / because it changes document or presentation workflows