Thread experienced a critical incident on March 10, 2026, lasting 24m. The incident has been resolved; the full update timeline is below.
Update timeline
- investigating Mar 10, 2026, 01:12 AM UTC
We're aware of an issue affecting SSO authentication when logging into Inbox. As a temporary workaround, please disable SSO and use the One-Time Password (OTP) option to log in. We'll share an update as soon as we have more information.
- investigating Mar 10, 2026, 01:13 AM UTC
We are continuing to investigate this issue.
- resolved Mar 10, 2026, 01:37 AM UTC
This incident has been resolved.