| Elevated latencies | none | 55 min |
| Delays in post delivery stats | none | 3.4 h |
| Issues loading Notes | minor | 32 min |
| Issues loading media on Substack | minor | 5.9 h |
| Delays in post delivery | none | 52 min |
| Service degraded due to a provider. | none | 1.6 h |
| Issue with reported open rates | none | 45 d |
| We're aware of an issue causing delays in publisher stats | minor | 2.9 h |
| Publisher Stats Loading | minor | 33 min |
| Substack Availability Issues | major | 1.1 h |
| Substack Availability Issues | major | 1.4 h |
| Issues loading Notes | none | 15 min |
| Elevated latencies | none | 3.1 h |
| Delays in audio read-aloud processing. | none | 12 h |
| Substack is experiencing issues | minor | 42 min |
| Substack is experiencing issues | minor | 38 min |
| Push notifications delayed on iOS | none | 46 min |
| Post emails delayed | major | 11 h |
| Post notifications are delayed | minor | 4.4 h |
| Post email delivery is delayed | none | 1.7 h |
| Substack experiencing increased latency | minor | 3.8 h |
| Delay in sending scheduled posts | none | 15 min |
| Livestream creation not working | none | 39 min |
| Unable to sign in on the Android app | none | 20 min |
| Substack Availability Issue | minor | 12 h |
| Substack Availability Issues | none | 32 min |
| Substack is experiencing issues | minor | 13 h |
| Email analytics backup | minor | 36 h |
| Increased error rates | major | 1.0 h |
| Errors loading notes feed | major | 28 min |
| Email delivery delays | minor | 52 min |
| Issues loading Notes | none | 7.0 h |
| Publisher Dashboard and Notifications are experiencing slowdowns | minor | 45 min |
| Substack home page and app home tab errors | major | 1.4 h |
| Delays in stats | none | 56 min |
| Increased latency and errors | major | 53 min |
| Degraded performance for search and publisher dashboard | none | 2.8 h |
| We are investigating an issue where stats are delayed across the platform. | none | 40 min |
| Elevated Error Rates | major | 29 min |
| Elevated Latency | none | 20 min |
| Issue updating titles on drafts | none | 26 min |
| Issue managing Stripe subscriptions | minor | 34 min |
| Posts incorrectly auto paywalled | minor | 9.4 h |
| Posts not being delivered via email | major | 1.0 h |
| Mobile App Issues | none | 13 min |
| Issue with setting up new custom domains | minor | 1.9 h |
| Substack increased latency and error rate | critical | 1.5 h |
| Increased error rates | critical | 18 min |
| Delayed push notifications due to OneSignal outage | major | 1.4 h |
| Delayed stats due to Amazon Web Services outage | minor | 8.2 h |
| Dropping email open rates due to Apple iCloud Private Relay outage | minor | 0 min |
| Substack is aware of an issue affecting site availability. | major | 18 min |
| Increased latency | minor | 44 min |
| Scheduled posts are not being sent | none | 31 min |
| Drafts not displaying on post dashboard | none | 25 min |
| Drafts not displaying on post dashboard | none | 56 min |
| Subscriber data inconsistencies | none | 2.6 h |
| Subscriber Count Issue | none | 4.9 h |
| We are investigating an issue where new drafts are not appearing on dashboards. | none | 1.1 h |
| Increased latencies and site availability issues | minor | 2.7 h |
| Increased latencies | minor | 6.0 h |
| Delays in post stats | none | 3.1 h |
| Substack site issues | major | 1.3 h |
| Post stats delayed | minor | 6.2 h |
| Substack availability issues | minor | 1.7 h |
| Substack is experiencing issues | major | 11 min |
| Experiencing issues | none | 1.1 h |
| Increased latency and error rate | major | 1.5 h |
| Scheduled posts are delayed | major | 1.3 h |
| Elevated errors forwarding @substack.com emails | minor | 7.5 h |
| Delays in activating custom domains | none | 7.1 h |
| Errors loading Notes feeds | minor | 34 min |
| Homepage down for some visitors | minor | 27 min |
| Issue loading some publisher dashboards | major | 23 min |
| Substack Availability Issues | critical | 41 min |
| Issue interacting with Substack pages | major | 15 min |
| Slowdown affecting some users | none | 20 min |
| Publisher dashboard issues | minor | 1.1 h |
| Substack.com loading issue | none | 47 min |
| Login Page Issues | none | 1.9 h |
| Dashboard analytics delay | minor | 4.3 h |
| Search is experiencing issues | none | 51 min |
| Loading is down for some substacks | none | 22 min |
| Some Users Are Not Seeing Notes Tab in iOS App | none | 36 min |
| Issue with styling | none | 9 min |
| Substack Notes is experiencing issues | minor | 1.9 h |
| Substack is experiencing an outage | critical | 10 min |
| iOS app experiencing login and refresh errors | none | 40 min |
| Substack Availability Issues | critical | 48 min |
| We're experiencing a delay in email delivery | major | 4.0 h |
| Issue with publishing posts | none | 1.0 h |
| Slow Response Times | major | 3.2 h |
| Issues loading some post pages | major | 39 min |
| Substack is currently unavailable | major | 3.4 h |
| Editor issues | none | 35 min |
| Delay in email open statistics | none | 2 d |
| Elevated error rate loading publications | none | 4 min |
| Delay in email stats | minor | 4.2 h |
| Subscribe flow not loading for some free publications | major | 13 min |
| Delayed statistics | minor | 57 min |