Substack incident

Substack is experiencing issues

Minor Resolved View vendor source →

Substack experienced a minor incident on December 22, 2025 affecting Substack.com, lasting 41m. The incident has been resolved; the full update timeline is below.

Started
Dec 22, 2025, 11:31 PM UTC
Resolved
Dec 23, 2025, 12:13 AM UTC
Duration
41m
Detected by Pingoru
Dec 22, 2025, 11:31 PM UTC

Affected components

Substack.com

Update timeline

  1. investigating Dec 22, 2025, 11:31 PM UTC

    We are currently observing increased latency on Substack surfaces and are investigating the issue.

  2. monitoring Dec 22, 2025, 11:52 PM UTC

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

  3. resolved Dec 23, 2025, 12:13 AM UTC

    This incident has been resolved.