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    Historique des pannes de Substack

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

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    Delays in post delivery

    Début 3 juin 2026 à 13:58 UTC · 52m

    Pending
    Composants affectés
    Email delivery
    1. 3 juin 2026 à 13:58 UTCinvestigating

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

    2. 3 juin 2026 à 14:16 UTCmonitoring

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

    3. 3 juin 2026 à 14:50 UTCresolved

      This incident has been resolved.

    Service degraded due to a provider.

    Début 22 avril 2026 à 19:12 UTC · 1h 36m

    Pending
    Composants affectés
    Writer dashboardsCustom domainsPush NotificationsEmail deliverySubscription invoice processingSubstack.comSubstack publications
    1. 22 avril 2026 à 19:12 UTCinvestigating

      We are experiencing an issue with a provider.

    2. 22 avril 2026 à 19:36 UTCidentified

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

    3. 22 avril 2026 à 19:45 UTCmonitoring

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

    4. 22 avril 2026 à 20:48 UTCresolved

      This incident has been resolved.

    Issue with reported open rates

    Début 27 mars 2026 à 22:20 UTC · 44d 19h

    Pending
    Composants affectés
    Email delivery
    1. 27 mars 2026 à 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 à 17:55 UTCresolved

      This incident has been resolved.

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

    Début 27 février 2026 à 00:41 UTC · 2h 54m

    IssuesIncident mineur
    Composants affectés
    Writer dashboards
    1. 27 février 2026 à 00:41 UTCidentified

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

    2. 27 février 2026 à 03:35 UTCresolved

      This incident has been resolved.

    Publisher Stats Loading

    Début 26 février 2026 à 23:10 UTC · 33m

    IssuesIncident mineur
    Composants affectés
    Writer dashboards
    1. 26 février 2026 à 23:10 UTCinvestigating

      We're aware of an issue affecting loading publisher stats

    2. 26 février 2026 à 23:40 UTCidentified

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

    3. 26 février 2026 à 23:43 UTCresolved

      This incident has been resolved.

    Substack Availability Issues

    Début 12 février 2026 à 23:25 UTC · 1h 5m

    OutageIncident majeur
    Composants affectés
    Writer dashboardsSubstack.comSubstack publications
    1. 12 février 2026 à 23:25 UTCinvestigating

      We are currently investigating this issue.

    2. 12 février 2026 à 23:42 UTCidentified

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

    3. 12 février 2026 à 23:43 UTCmonitoring

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

    4. 13 février 2026 à 00:31 UTCresolved

      This incident has been resolved.

    Substack Availability Issues

    Début 11 février 2026 à 14:24 UTC · 1h 21m

    OutageIncident majeur
    Composants affectés
    Writer dashboardsSubstack.comSubstack publications
    1. 11 février 2026 à 14:24 UTCinvestigating

      We are investigating an issue loading substack.com

    2. 11 février 2026 à 14:41 UTCidentified

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

    3. 11 février 2026 à 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 février 2026 à 14:57 UTCidentified

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

    5. 11 février 2026 à 15:10 UTCidentified

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

    6. 11 février 2026 à 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 février 2026 à 15:45 UTCresolved

      This incident has been resolved.

    Issues loading Notes

    Début 15 janvier 2026 à 12:35 UTC · 15m

    Pending
    Composants affectés
    Substack.com
    1. 15 janvier 2026 à 12:35 UTCinvestigating

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

    2. 15 janvier 2026 à 12:47 UTCmonitoring

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

    3. 15 janvier 2026 à 12:50 UTCresolved

      This incident has been resolved.

    Elevated latencies

    Début 14 janvier 2026 à 17:38 UTC · 3h 9m

    Pending
    1. 14 janvier 2026 à 17:38 UTCinvestigating

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

    2. 14 janvier 2026 à 19:25 UTCmonitoring

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

    3. 14 janvier 2026 à 20:47 UTCresolved

      This incident has been resolved.

    Delays in audio read-aloud processing.

    Début 5 janvier 2026 à 17:17 UTC · 12h 19m

    Pending
    1. 5 janvier 2026 à 17:17 UTCinvestigating

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

    2. 6 janvier 2026 à 05:36 UTCresolved

      This incident has been resolved.

    Substack is experiencing issues

    Début 22 décembre 2025 à 23:31 UTC · 42m

    IssuesIncident mineur
    Composants affectés
    Substack.com
    1. 22 décembre 2025 à 23:31 UTCinvestigating

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

    2. 22 décembre 2025 à 23:52 UTCmonitoring

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

    3. 23 décembre 2025 à 00:13 UTCresolved

      This incident has been resolved.

    Substack is experiencing issues

    Début 18 novembre 2025 à 14:39 UTC · 38m

    IssuesIncident mineur
    Composants affectés
    Writer dashboardsCustom domainsSubstack.comSubstack publications
    1. 18 novembre 2025 à 14:39 UTCinvestigating

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

    2. 18 novembre 2025 à 14:45 UTCmonitoring

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

    3. 18 novembre 2025 à 15:16 UTCresolved

      This incident has been resolved.

    Push notifications delayed on iOS

    Début 5 novembre 2025 à 16:52 UTC · 46m

    Pending
    Composants affectés
    Push Notifications
    1. 5 novembre 2025 à 16:52 UTCidentified

      We are experiencing delays due to a service provider outage.

    2. 5 novembre 2025 à 17:29 UTCmonitoring

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

    3. 5 novembre 2025 à 17:38 UTCresolved

      This incident has been resolved.

    Post emails delayed

    Début 20 octobre 2025 à 13:41 UTC · 11h 11m

    OutageIncident majeur
    Composants affectés
    Email delivery
    1. 20 octobre 2025 à 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 octobre 2025 à 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 octobre 2025 à 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 octobre 2025 à 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 octobre 2025 à 21:50 UTCmonitoring

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

    6. 21 octobre 2025 à 00:52 UTCresolved

      This incident has been resolved.

    Post notifications are delayed

    Début 4 octobre 2025 à 16:06 UTC · 4h 22m

    IssuesIncident mineur
    Composants affectés
    Push NotificationsEmail delivery
    1. 4 octobre 2025 à 16:06 UTCinvestigating

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

    2. 4 octobre 2025 à 16:25 UTCidentified

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

    3. 4 octobre 2025 à 19:22 UTCmonitoring

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

    4. 4 octobre 2025 à 20:29 UTCresolved

      This incident has been resolved.

    Post email delivery is delayed

    Début 20 septembre 2025 à 14:42 UTC · 1h 43m

    Pending
    Composants affectés
    Email delivery
    1. 20 septembre 2025 à 14:42 UTCinvestigating

      We are currently investigating this issue.

    2. 20 septembre 2025 à 16:08 UTCmonitoring

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

    3. 20 septembre 2025 à 16:25 UTCresolved

      This incident has been resolved.

    Substack experiencing increased latency

    Début 15 septembre 2025 à 15:24 UTC · 3h 47m

    IssuesIncident mineur
    Composants affectés
    Writer dashboardsCustom domainsEmail deliverySubstack.comSubstack publications
    1. 15 septembre 2025 à 15:24 UTCinvestigating

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

    2. 15 septembre 2025 à 15:34 UTCinvestigating

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

    3. 15 septembre 2025 à 15:42 UTCidentified

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

    4. 15 septembre 2025 à 15:50 UTCidentified

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

    5. 15 septembre 2025 à 16:38 UTCidentified

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

    6. 15 septembre 2025 à 16:46 UTCmonitoring

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

    7. 15 septembre 2025 à 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 septembre 2025 à 17:43 UTCidentified

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

    9. 15 septembre 2025 à 18:39 UTCmonitoring

      Substack is operating normally and our team is monitoring.

    10. 15 septembre 2025 à 19:12 UTCresolved

      This incident has been resolved.

    Delay in sending scheduled posts

    Début 30 août 2025 à 16:17 UTC · 15m

    Pending
    Composants affectés
    Email delivery
    1. 30 août 2025 à 16:17 UTCidentified

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

    2. 30 août 2025 à 16:30 UTCmonitoring

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

    3. 30 août 2025 à 16:32 UTCresolved

      This incident has been resolved.

    Livestream creation not working

    Début 26 août 2025 à 14:06 UTC · 39m

    Pending
    1. 26 août 2025 à 14:06 UTCinvestigating

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

    2. 26 août 2025 à 14:45 UTCresolved

      This incident has been resolved.

    Unable to sign in on the Android app

    Début 11 août 2025 à 16:15 UTC · 20m

    Pending
    1. 11 août 2025 à 16:15 UTCinvestigating

      We are currently investigating this issue.

    2. 11 août 2025 à 16:27 UTCmonitoring

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

    3. 11 août 2025 à 16:35 UTCresolved

      This incident has been resolved.