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    50 Substack incidents · Juni 2024 — official updates, affected components, duration and resolution details.

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    Delays in post delivery

    Beginn 3. Juni 2026 um 13:58 UTC · 52m

    Pending
    Betroffene Komponenten
    Email delivery
    1. 3. Juni 2026 um 13:58 UTCinvestigating

      We are experiencing delays in post email delivery due to an outage from a third party service provider.

    2. 3. Juni 2026 um 14:16 UTCmonitoring

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

    3. 3. Juni 2026 um 14:50 UTCresolved

      This incident has been resolved.

    Service degraded due to a provider.

    Beginn 22. April 2026 um 19:12 UTC · 1h 36m

    Pending
    Betroffene Komponenten
    Writer dashboardsCustom domainsPush NotificationsEmail deliverySubscription invoice processingSubstack.comSubstack publications
    1. 22. April 2026 um 19:12 UTCinvestigating

      We are experiencing an issue with a provider.

    2. 22. April 2026 um 19:36 UTCidentified

      The issue has been identified and a fix is being implemented.

    3. 22. April 2026 um 19:45 UTCmonitoring

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

    4. 22. April 2026 um 20:48 UTCresolved

      This incident has been resolved.

    Issue with reported open rates

    Beginn 27. März 2026 um 22:20 UTC · 44d 19h

    Pending
    Betroffene Komponenten
    Email delivery
    1. 27. März 2026 um 22:20 UTCinvestigating

      We’re investigating an issue affecting reported open rates for some publishers. Current evidence suggests this is related to how Gmail loads tracking pixels, and does not indicate a change in engagement or deliverability. We take responsibility for ensuring these metrics are accurate and are prioritizing improvements to our open rate tracking so this is resolved as quickly as possible. We will continue to provide updates here as we learn more.

    2. 11. Mai 2026 um 17:55 UTCresolved

      This incident has been resolved.

    We're aware of an issue causing delays in publisher stats

    Beginn 27. Februar 2026 um 00:41 UTC · 2h 54m

    IssuesGeringfügiger Vorfall
    Betroffene Komponenten
    Writer dashboards
    1. 27. Februar 2026 um 00:41 UTCidentified

      The issue has been identified and a fix is being implemented.

    2. 27. Februar 2026 um 03:35 UTCresolved

      This incident has been resolved.

    Publisher Stats Loading

    Beginn 26. Februar 2026 um 23:10 UTC · 33m

    IssuesGeringfügiger Vorfall
    Betroffene Komponenten
    Writer dashboards
    1. 26. Februar 2026 um 23:10 UTCinvestigating

      We're aware of an issue affecting loading publisher stats

    2. 26. Februar 2026 um 23:40 UTCidentified

      The issue has been identified and a fix is being implemented.

    3. 26. Februar 2026 um 23:43 UTCresolved

      This incident has been resolved.

    Substack Availability Issues

    Beginn 12. Februar 2026 um 23:25 UTC · 1h 5m

    OutageSchwerwiegender Vorfall
    Betroffene Komponenten
    Writer dashboardsSubstack.comSubstack publications
    1. 12. Februar 2026 um 23:25 UTCinvestigating

      We are currently investigating this issue.

    2. 12. Februar 2026 um 23:42 UTCidentified

      The issue has been identified and a fix is being implemented.

    3. 12. Februar 2026 um 23:43 UTCmonitoring

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

    4. 13. Februar 2026 um 00:31 UTCresolved

      This incident has been resolved.

    Substack Availability Issues

    Beginn 11. Februar 2026 um 14:24 UTC · 1h 21m

    OutageSchwerwiegender Vorfall
    Betroffene Komponenten
    Writer dashboardsSubstack.comSubstack publications
    1. 11. Februar 2026 um 14:24 UTCinvestigating

      We are investigating an issue loading substack.com

    2. 11. Februar 2026 um 14:41 UTCidentified

      We've identified the issue and are deploying changes to address.

    3. 11. Februar 2026 um 14:53 UTCidentified

      We are continuing to work to restore service. Currently all Substack clients and services are experiencing elevated error rates and degraded performance.

    4. 11. Februar 2026 um 14:57 UTCidentified

      We are continuing to work on a fix for this issue.

    5. 11. Februar 2026 um 15:10 UTCidentified

      We have deployed a fix and are continuing to see recovery.

    6. 11. Februar 2026 um 15:15 UTCmonitoring

      All Substack services have been restored and error rates and latency have returned to normal levels. Our team is continuing to monitor.

    7. 11. Februar 2026 um 15:45 UTCresolved

      This incident has been resolved.

    Issues loading Notes

    Beginn 15. Januar 2026 um 12:35 UTC · 15m

    Pending
    Betroffene Komponenten
    Substack.com
    1. 15. Januar 2026 um 12:35 UTCinvestigating

      We're currently investigating an issue affecting load times of notes and inboxes

    2. 15. Januar 2026 um 12:47 UTCmonitoring

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

    3. 15. Januar 2026 um 12:50 UTCresolved

      This incident has been resolved.

    Elevated latencies

    Beginn 14. Januar 2026 um 17:38 UTC · 3h 9m

    Pending
    1. 14. Januar 2026 um 17:38 UTCinvestigating

      Substack is experiencing elevated latencies. We are working to investigate the issue.

    2. 14. Januar 2026 um 19:25 UTCmonitoring

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

    3. 14. Januar 2026 um 20:47 UTCresolved

      This incident has been resolved.

    Delays in audio read-aloud processing.

    Beginn 5. Januar 2026 um 17:17 UTC · 12h 19m

    Pending
    1. 5. Januar 2026 um 17:17 UTCinvestigating

      We're experiencing a delay in processing the automated read-alouds for posts in the apps.

    2. 6. Januar 2026 um 05:36 UTCresolved

      This incident has been resolved.

    Substack is experiencing issues

    Beginn 22. Dezember 2025 um 23:31 UTC · 42m

    IssuesGeringfügiger Vorfall
    Betroffene Komponenten
    Substack.com
    1. 22. Dezember 2025 um 23:31 UTCinvestigating

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

    2. 22. Dezember 2025 um 23:52 UTCmonitoring

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

    3. 23. Dezember 2025 um 00:13 UTCresolved

      This incident has been resolved.

    Substack is experiencing issues

    Beginn 18. November 2025 um 14:39 UTC · 38m

    IssuesGeringfügiger Vorfall
    Betroffene Komponenten
    Writer dashboardsCustom domainsSubstack.comSubstack publications
    1. 18. November 2025 um 14:39 UTCinvestigating

      We are experiencing issues caused by a service provider, some access to Substack might be limited

    2. 18. November 2025 um 14:45 UTCmonitoring

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

    3. 18. November 2025 um 15:16 UTCresolved

      This incident has been resolved.

    Push notifications delayed on iOS

    Beginn 5. November 2025 um 16:52 UTC · 46m

    Pending
    Betroffene Komponenten
    Push Notifications
    1. 5. November 2025 um 16:52 UTCidentified

      We are experiencing delays due to a service provider outage.

    2. 5. November 2025 um 17:29 UTCmonitoring

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

    3. 5. November 2025 um 17:38 UTCresolved

      This incident has been resolved.

    Post emails delayed

    Beginn 20. Oktober 2025 um 13:41 UTC · 11h 11m

    OutageSchwerwiegender Vorfall
    Betroffene Komponenten
    Email delivery
    1. 20. Oktober 2025 um 13:41 UTCinvestigating

      We are experiencing delays with processing scheduled posts related to an outage from one of our service providers. Our team is investigating.

    2. 20. Oktober 2025 um 13:49 UTCinvestigating

      We are also seeing issues with publication dashboards including partial outages across the subscriber tab and some statistics. We are working to mitigate.

    3. 20. Oktober 2025 um 14:12 UTCidentified

      We are seeing recovery of our publisher dashboard functionality. Other service functions such as scheduled posts continue to be degraded.

    4. 20. Oktober 2025 um 16:51 UTCidentified

      We continue to experience delays with processing scheduled posts related to an outage from one of our service providers. Users can publish posts manually to bypass this. Our team is still investigating.

    5. 20. Oktober 2025 um 21:50 UTCmonitoring

      Scheduled post sends are operational and we have caught up with the backlog.

    6. 21. Oktober 2025 um 00:52 UTCresolved

      This incident has been resolved.

    Post notifications are delayed

    Beginn 4. Oktober 2025 um 16:06 UTC · 4h 22m

    IssuesGeringfügiger Vorfall
    Betroffene Komponenten
    Push NotificationsEmail delivery
    1. 4. Oktober 2025 um 16:06 UTCinvestigating

      We are experiencing delays in sending out email and push notifications for published posts.

    2. 4. Oktober 2025 um 16:25 UTCidentified

      The issue has been identified and a fix is being implemented.

    3. 4. Oktober 2025 um 19:22 UTCmonitoring

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

    4. 4. Oktober 2025 um 20:29 UTCresolved

      This incident has been resolved.

    Post email delivery is delayed

    Beginn 20. September 2025 um 14:42 UTC · 1h 43m

    Pending
    Betroffene Komponenten
    Email delivery
    1. 20. September 2025 um 14:42 UTCinvestigating

      We are currently investigating this issue.

    2. 20. September 2025 um 16:08 UTCmonitoring

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

    3. 20. September 2025 um 16:25 UTCresolved

      This incident has been resolved.

    Substack experiencing increased latency

    Beginn 15. September 2025 um 15:24 UTC · 3h 47m

    IssuesGeringfügiger Vorfall
    Betroffene Komponenten
    Writer dashboardsCustom domainsEmail deliverySubstack.comSubstack publications
    1. 15. September 2025 um 15:24 UTCinvestigating

      We are currently investigating reports of increased latency and slow response times across Substack.

    2. 15. September 2025 um 15:34 UTCinvestigating

      We are continuing to investigate increased latency and error rates across Substack.

    3. 15. September 2025 um 15:42 UTCidentified

      We have identified an issue and are seeing normal performance across all systems.

    4. 15. September 2025 um 15:50 UTCidentified

      We are continuing to investigate increased latency and error rates across Substack.

    5. 15. September 2025 um 16:38 UTCidentified

      We are working to resolve the remaining performance issues across Substack and expect to see recovery shortly.

    6. 15. September 2025 um 16:46 UTCmonitoring

      We are seeing recovery of performance across Substack and are monitoring the issue.

    7. 15. September 2025 um 16:53 UTCmonitoring

      As part of the earlier incident, we are noting delays in analytics updating and post email delivery. We are working to resolve the issue.

    8. 15. September 2025 um 17:43 UTCidentified

      We are seeing recurrence of increased error rates and degraded performance across Substack.

    9. 15. September 2025 um 18:39 UTCmonitoring

      Substack is operating normally and our team is monitoring.

    10. 15. September 2025 um 19:12 UTCresolved

      This incident has been resolved.

    Delay in sending scheduled posts

    Beginn 30. August 2025 um 16:17 UTC · 15m

    Pending
    Betroffene Komponenten
    Email delivery
    1. 30. August 2025 um 16:17 UTCidentified

      We are investigating a delay in the sending of scheduled posts.

    2. 30. August 2025 um 16:30 UTCmonitoring

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

    3. 30. August 2025 um 16:32 UTCresolved

      This incident has been resolved.

    Livestream creation not working

    Beginn 26. August 2025 um 14:06 UTC · 39m

    Pending
    1. 26. August 2025 um 14:06 UTCinvestigating

      We are experiencing an issue with a service provider that is causing livestream creation to be broken.

    2. 26. August 2025 um 14:45 UTCresolved

      This incident has been resolved.

    Unable to sign in on the Android app

    Beginn 11. August 2025 um 16:15 UTC · 20m

    Pending
    1. 11. August 2025 um 16:15 UTCinvestigating

      We are currently investigating this issue.

    2. 11. August 2025 um 16:27 UTCmonitoring

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

    3. 11. August 2025 um 16:35 UTCresolved

      This incident has been resolved.