OpenSesame incident

Unable to launch edited courses

Major Resolved View vendor source →

OpenSesame experienced a major incident on September 4, 2025 affecting Simon Authoring Suite, lasting 42m. The incident has been resolved; the full update timeline is below.

Started
Sep 04, 2025, 01:50 PM UTC
Resolved
Sep 04, 2025, 02:33 PM UTC
Duration
42m
Detected by Pingoru
Sep 04, 2025, 01:50 PM UTC

Affected components

Simon Authoring Suite

Update timeline

  1. investigating Sep 04, 2025, 01:50 PM UTC

    Courses updated via course import and the editor unable preview

  2. identified Sep 04, 2025, 02:17 PM UTC

    Working on fix

  3. monitoring Sep 04, 2025, 02:29 PM UTC

    A fix has been implemented and we are monitoring the results.

  4. monitoring Sep 04, 2025, 02:33 PM UTC

    We are continuing to monitor for any further issues.

  5. resolved Sep 04, 2025, 02:33 PM UTC

    This incident has been resolved.