TRMNL incident

Redis cache timeouts

Major Resolved View vendor source →

TRMNL experienced a major incident on April 28, 2026 affecting Display API and Firmware API and 1 more component, lasting 47m. The incident has been resolved; the full update timeline is below.

Started
Apr 28, 2026, 06:47 PM UTC
Resolved
Apr 28, 2026, 07:34 PM UTC
Duration
47m
Detected by Pingoru
Apr 28, 2026, 06:47 PM UTC

Affected components

Display APIFirmware APIScreen Generation Workers

Update timeline

  1. investigating Apr 28, 2026, 06:46 PM UTC

    Under investigation

  2. investigating Apr 28, 2026, 06:47 PM UTC

    We have started to investigate this issue.

  3. identified Apr 28, 2026, 06:52 PM UTC

    We've identified a commit that failed worker deployment, and a second that affected Redis. These have been reverted and we continue to find the root cause.

  4. resolved Apr 28, 2026, 07:34 PM UTC

    We've manually redeployed workers and systems continue to be stable.