Substack change history: Substack home page and app home tab errors

Substack reported a major incident affecting its website home page and app home tab, with increased errors and Notes missing from some users’ feeds. It lasted 1 h 24 min, from 2025-02-03 19:25 UTC to 2025-02-03 20:49 UTC; Substack restored feeds for all users and reported that error rates had subsided.