Some users may experience unexpected application crashes for Microsoft Teams on MacOS devices

Title: Some users may experience unexpected application crashes for Microsoft Teams on MacOS devices User impact: Users may experience unexpected application crashes for Microsoft Teams on MacOS devices. More info: Impact is specific to users who have updated their MacOS devices to version 27.2 beta. Final status: The investigation is complete and we've determined the service is healthy. A service incident didn't actually occur. This communication will expire in 24 hours. This is the final update for the event.

Title: Some users may experience unexpected application crashes for Microsoft Teams on MacOS devices User impact: Users may experience unexpected application crashes for Microsoft Teams on MacOS devices. More info: Impact is specific to users who have updated their MacOS devices to version 27.2 beta. Current status: We've identified that the reported impact is limited to users running MacOS 27.2 beta. Our investigation indicates that the crashes are associated with video background effects and noise suppression functionality due to change in MacOS 27.2 beta that causes a regression in Microsoft Teams. We're creating a change to utilize an alternate code path for these features, which may potentially complete and remediate impact by our next scheduled update. Scope of impact: Impact is specific to users experiencing unexpected application crashes for Microsoft Teams on version 27.2 beta macOS devices. Root cause: MacOS version 27.2 beta causes a regression for the video background effects and noise suppression functionalities in Microsoft Teams, resulting in impact. Next update by: Friday, September 18, 2026, at 8:00 PM UTC

Title: Some users may experience unexpected application crashes for Microsoft Teams on macOS devices User impact: Users may experience unexpected application crashes for Microsoft Teams on macOS devices. More info: Impact is specific to users who have updated to their macOS devices to version 27.2 beta. Current status: We've identified a significant increase in Microsoft Teams application crashes affecting macOS devices on version 27.2 beta and are investigating the underlying cause. We're continuing our analysis of crash telemetry and related diagnostic data to determine the source of impact and develop a remediation plan. Scope of impact: Impact is specific to users experiencing unexpected application crashes for Microsoft Teams on version 27.2 beta macOS devices. Next update by: Friday, September 18, 2026, at 3:30 PM UTC