Weekly summary

Week of 02/23/2026 - 03/01/2026

29 updates in this week window.

Last updated06/06/2026, 17:46

Last checked09/06/2026, 01:18

Highlights

Copilot Studio Microsoft Learn What's new in Copilot Studio GA Admin-focusedBuilder-focused

Claude Sonnet 4.5, Claude Sonnet 4.6, and Claude Opus are now generally available globally (excluding GCC environments)...

Claude Sonnet 4.5, Claude Sonnet 4.6, and Claude Opus are now generally available globally (excluding GCC environments). Use these models to optimize reasoning depth, quality, latency, and cost for your agents. Availability of some models might require data processing and storag...

Published
03/01/2026
Source
What's new in Copilot Studio
Why it matters
because it is generally available and production-relevant / because it is part of an official update roundup or release-note stream
Copilot Studio Microsoft Learn What's new in Copilot Studio GA Builder-focused

ChatGPT‑5 is now generally available globally (excluding GCC environments) for use in production agents.

ChatGPT‑5 is now generally available globally (excluding GCC environments) for use in production agents.

Published
03/01/2026
Source
What's new in Copilot Studio
Why it matters
because it is generally available and production-relevant / because it is part of an official update roundup or release-note stream
Copilot Studio Microsoft Learn What's new in Copilot Studio GA Builder-focused

Agent evaluations are now generally available (GA). You can validate agent performance using customizable test sets to...

Agent evaluations are now generally available (GA). You can validate agent performance using customizable test sets to help identify strengths and areas for improvement across diverse scenarios.

Published
03/01/2026
Source
What's new in Copilot Studio
Why it matters
because it is generally available and production-relevant / 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) Use Work IQ tools to connect Microsoft 365 Copilot and your agents to the Work IQ service. By using this conn...

(Preview) Use Work IQ tools to connect Microsoft 365 Copilot and your agents to the Work IQ service. By using this connection, you can access real-time work insights and context from Microsoft 365 files, emails, meetings, chats, and more.

Published
03/01/2026
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 Builder-focused

Apply accessibility best practices for Adaptive Cards to support screen readers, keyboard navigation, and Teams-specifi...

Apply accessibility best practices for Adaptive Cards to support screen readers, keyboard navigation, and Teams-specific scenarios. These practices help you build more inclusive agent experiences.

Published
03/01/2026
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

Connect Copilot with WordPress.com and WordPress.org [Web]

Users can connect Copilot with WordPress.com and WordPress.org to retrieve, summarize, and analyze site content using the Copilot Connector.

Published
02/24/2026
Source
Microsoft 365 Copilot release notes
Why it matters
because it is part of an official update roundup or release-note stream / because it affects integrations or extensibility
Microsoft 365 Copilot Microsoft Learn Microsoft 365 Copilot release notes Update Admin-focusedBuilder-focused Roadmap 499422

Copilot Studio agent report enhancements [Web, Windows, Mac]

The Copilot Studio agent report includes autonomous agents and provides insights on adoption, impact, time savings, and cost savings.

Published
02/24/2026
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 Roadmap 516565

Use Copilot to get a detailed and contextual explanation [Web, Windows, Mac]

Users can select the "explain" option from the contextual menu that appears by right clicking on objects or content in PowerPoint to receive a detailed and contextual explanation.

Published
02/24/2026
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 licensing and rollout decisions
Microsoft 365 Copilot Microsoft Learn Microsoft 365 Copilot release notes Update Admin-focused Roadmap 502534

Out-of-box filter support for data sources in Copilot Search [Web]

IT admins can customize filters for data sources in Copilot Search without additional development work.

Published
02/24/2026
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
Microsoft 365 Copilot Microsoft Learn Microsoft 365 Copilot release notes Update Admin-focused Roadmap 502534

Out‑of‑box filter support for data sources in Copilot Search [Web]

IT admins can customize filters for data sources in Copilot Search without additional development work.

Published
02/24/2026
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