Microsoft Release Notes

• Manage what attendees see in meetings, webinars, and town halls (Premium): Teams Premium customers will soon have the option to select preconfigured layouts and customize attendees using colors or branding when using the "Manage what attendees see" option in Microsoft Teams. These enhancements offer a more polished and professional look to your structured meetings and events to better engage with your attendees. This feature is available in Teams Desktop.
• Deploy Teams frontline worker pilot in Teams admin center: This feature allows admins to gradually streamline different Teams frontline worker (FLW) workload pilots in Teams admin center.

• Raise hands in town halls (Premium): Currently in a Teams town hall, attendees can't raise their hands and share their microphone and camera as they can in a meeting. With this new update, town halls organized by users with Teams Premium can allow attendees to raise their hand. Organizers and presenters can then bring attendees on screen to allow them to share their camera and microphone.
• Executable file type protection for Teams chat and channels: Microsoft Teams now blocks messages that contain executable file types in chats and channels, increasing protection against malware and other file-based attacks.
• Polls support in a Teams town hall (Premium): This feature allows organizers to create and share polls directly within Teams town halls, gathering real-time feedback from participants through multiple-choice questions, and other types of polls.
• Teams admin center: Control external access by domain for specific users and groups: This feature allows you to gain granular control over external communication. By setting custom external access policies, you can define domain allow/deny lists and assign them to specific users or groups, the capabilities that were previously only tenant-wide (Teams and Skype for Business users in external organizations). Use this to pilot with a department, restrict high risk roles to approved partners, or open federation broadly where appropriate. For example, you can allow group A to communicate only with a specific domai…

• Speed up app reviews with trust-based filters: This feature enables IT administrators in Teams admin center to view and easily filter apps and agents by specific industry standards, certifications, and compliance attributes such as SOC 2, ISO 27001, HIPAA, GDPR, and more. This will help with more streamlined app evaluation workflows, enabling faster decisions and broader access to trusted apps across the organization.
• Security and compliance information for more apps and agents: Currently, IT admins in the Teams admin center can view security and compliance data for apps and agents that are Microsoft 365 certified or publisher attested. This enhancement expands that visibility to include apps and agents that aren't certified or attested. This data is sourced from Microsoft Defender for Cloud Apps (MDA) and helps admins evaluate more easily and quickly on whether an app or agent meets their organization’s trust requirements.
• Permission and privilege level of apps and agents: Currently, IT admins in the Teams admin center can view the permissions requested by an app or agent and these permissions define which organizational data the app can access. This feature enhances that experience by showing the risk rating of each permission and the overall privilege level of the app or agent, helping admins secure better organizational data and make faster, more informed approval decisions.

• Introducing a low-latency attendee experience for premium Teams town hall: Previously in a town hall, attendees were typically 20-30 seconds behind the content being presented. With this new update for premium town halls, attendees can watch the town hall at a much lower latency than before.
• Silent Test call: Silent Test provides an ability for IT admins to proactively run a synthetic simulation of a Teams call to the subnet to examine network readiness before any issues occur.
• New VDI solution for Teams optimization in Amazon WorkSpaces: New VDI solution for Teams introduces a multimedia offloading and optimization solution for Microsoft Teams when running in Amazon WorkSpaces (Personal and Pools). Users of the WorkSpaces Client for Windows can enjoy a high-definition experience in virtual desktops, where audio or video or screen sharing are offloaded to the user's device and processed by the SlimCore media engine. This entry applies to WorkSpaces only (AppStream isn't supported). …

Version number: 18.5.2.1 Released: September 26, 2025

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