Teachable incident

Issue Affecting Custom Code Blocks

Resolved after 1 hour 2 minutes, affecting Content Delivery, on December 12, 2025.

resolved Dec 12, 2025, 08:51 PM UTC

Custom code block behavior has remained stable following the fix. We will continue routine monitoring, but no further impact is expected. Thank you for your patience.

Started
Dec 12, 2025, 07:48 PM UTC
Resolved
Dec 12, 2025, 08:51 PM UTC
Duration
1h 2m
Detected by Pingoru
Dec 12, 2025, 07:48 PM UTC

Affected components

Content Delivery

Update timeline

  1. identified Dec 12, 2025, 07:48 PM UTC

    Custom code blocks are currently being sanitized by our security tooling, which may affect expected behavior. We’ve identified the issue and are actively applying a fix. We’ll provide updates as remediation progresses.

  2. monitoring Dec 12, 2025, 08:37 PM UTC

    The fix has been deployed, and custom code block behavior has been restored. We’ll continue monitoring to ensure ongoing stability.

  3. resolved Dec 12, 2025, 08:51 PM UTC

    Custom code block behavior has remained stable following the fix. We will continue routine monitoring, but no further impact is expected. Thank you for your patience.

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