Microsoft Teams Update

Microsoft Teams release notes for May 20, 2026 add AI Interpreter quality and Traditional Chinese support, streamlined Microsoft 365 Certified App Management, branded meeting reactions, a simplified Teams app bar, One-Time Email Passcodes for external presenters, and Attendee Packs for Teams Events.

• Microsoft 365 Certified App Management lets admins enable only verified Microsoft 365-certified SaaS apps, helping maintain governance and reduce approval risk.
• One-Time Email Passcodes for external presenters add verification controls for anonymous presenters in Teams Events, with options to require invited-only access or lobby admission.

• AI Interpreter now has improved real-time interpretation quality, better handling of names and industry terminology, Custom Dictionary support, and Traditional Chinese support.
• Branded meeting reactions let admins upload custom reaction icons so meeting participants can use organization-specific visuals.
• The Teams app bar is simplified with a cleaner app list, less cluttered overflow menu, and the option to show or hide the app bar.
• Attendee Packs add capacity options for Teams Events such as webinars and town halls, allowing attendance beyond base limits.

• Tenant administrators can manage One-Time Email Passcodes from the Teams Admin Center or by using PowerShell.
• Event organizers can choose verification behavior for external presenters based on tenant policy.
• Availability and enforcement for Attendee Packs are managed through tenant licensing.
• AI Interpreter uses the Microsoft 365 admin center Custom Dictionary for preferred terms and phrases.

Product Information

Vendor: Microsoft

Product: Teams

Product type: Service

Platform: Web

Vendor release date: May 20, 2026

Original release notes: View on vendor site

Published on updatealert.io: Jun 2, 2026

Description: Collaboration app for meetings, chat, calling, and teamwork.