Current status: Microsoft’ve been alerted to an issue where users are unable to send messages in Microsoft Teams when they are using the Firefox browser. Microsoft’ve determined that impact was triggered by a third party update that caused inconsistencies in code. Microsoft’ve developed a fix to remediate impact and are preparing to deploy it to all affected regions. Microsoft anticipate they’ll have a deployment timeline by their next scheduled update.

Scope of impact: Any user accessing Microsoft Teams via the Firefox browser may experience impact.