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    Substack の障害履歴

    50 Substack incidents · 2024年6月 — official updates, affected components, duration and resolution details.

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    Delays in post delivery

    開始 2026年6月3日 13:58 UTC · 52m

    Pending
    影響を受けたコンポーネント
    Email delivery
    1. 2026年6月3日 13:58 UTCinvestigating

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

    2. 2026年6月3日 14:16 UTCmonitoring

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

    3. 2026年6月3日 14:50 UTCresolved

      This incident has been resolved.

    Service degraded due to a provider.

    開始 2026年4月22日 19:12 UTC · 1h 36m

    Pending
    影響を受けたコンポーネント
    Writer dashboardsCustom domainsPush NotificationsEmail deliverySubscription invoice processingSubstack.comSubstack publications
    1. 2026年4月22日 19:12 UTCinvestigating

      We are experiencing an issue with a provider.

    2. 2026年4月22日 19:36 UTCidentified

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

    3. 2026年4月22日 19:45 UTCmonitoring

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

    4. 2026年4月22日 20:48 UTCresolved

      This incident has been resolved.

    Issue with reported open rates

    開始 2026年3月27日 22:20 UTC · 44d 19h

    Pending
    影響を受けたコンポーネント
    Email delivery
    1. 2026年3月27日 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. 2026年5月11日 17:55 UTCresolved

      This incident has been resolved.

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

    開始 2026年2月27日 0:41 UTC · 2h 54m

    Issues軽微なインシデント
    影響を受けたコンポーネント
    Writer dashboards
    1. 2026年2月27日 0:41 UTCidentified

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

    2. 2026年2月27日 3:35 UTCresolved

      This incident has been resolved.

    Publisher Stats Loading

    開始 2026年2月26日 23:10 UTC · 33m

    Issues軽微なインシデント
    影響を受けたコンポーネント
    Writer dashboards
    1. 2026年2月26日 23:10 UTCinvestigating

      We're aware of an issue affecting loading publisher stats

    2. 2026年2月26日 23:40 UTCidentified

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

    3. 2026年2月26日 23:43 UTCresolved

      This incident has been resolved.

    Substack Availability Issues

    開始 2026年2月12日 23:25 UTC · 1h 5m

    Outage重大なインシデント
    影響を受けたコンポーネント
    Writer dashboardsSubstack.comSubstack publications
    1. 2026年2月12日 23:25 UTCinvestigating

      We are currently investigating this issue.

    2. 2026年2月12日 23:42 UTCidentified

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

    3. 2026年2月12日 23:43 UTCmonitoring

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

    4. 2026年2月13日 0:31 UTCresolved

      This incident has been resolved.

    Substack Availability Issues

    開始 2026年2月11日 14:24 UTC · 1h 21m

    Outage重大なインシデント
    影響を受けたコンポーネント
    Writer dashboardsSubstack.comSubstack publications
    1. 2026年2月11日 14:24 UTCinvestigating

      We are investigating an issue loading substack.com

    2. 2026年2月11日 14:41 UTCidentified

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

    3. 2026年2月11日 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. 2026年2月11日 14:57 UTCidentified

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

    5. 2026年2月11日 15:10 UTCidentified

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

    6. 2026年2月11日 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. 2026年2月11日 15:45 UTCresolved

      This incident has been resolved.

    Issues loading Notes

    開始 2026年1月15日 12:35 UTC · 15m

    Pending
    影響を受けたコンポーネント
    Substack.com
    1. 2026年1月15日 12:35 UTCinvestigating

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

    2. 2026年1月15日 12:47 UTCmonitoring

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

    3. 2026年1月15日 12:50 UTCresolved

      This incident has been resolved.

    Elevated latencies

    開始 2026年1月14日 17:38 UTC · 3h 9m

    Pending
    1. 2026年1月14日 17:38 UTCinvestigating

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

    2. 2026年1月14日 19:25 UTCmonitoring

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

    3. 2026年1月14日 20:47 UTCresolved

      This incident has been resolved.

    Delays in audio read-aloud processing.

    開始 2026年1月5日 17:17 UTC · 12h 19m

    Pending
    1. 2026年1月5日 17:17 UTCinvestigating

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

    2. 2026年1月6日 5:36 UTCresolved

      This incident has been resolved.

    Substack is experiencing issues

    開始 2025年12月22日 23:31 UTC · 42m

    Issues軽微なインシデント
    影響を受けたコンポーネント
    Substack.com
    1. 2025年12月22日 23:31 UTCinvestigating

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

    2. 2025年12月22日 23:52 UTCmonitoring

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

    3. 2025年12月23日 0:13 UTCresolved

      This incident has been resolved.

    Substack is experiencing issues

    開始 2025年11月18日 14:39 UTC · 38m

    Issues軽微なインシデント
    影響を受けたコンポーネント
    Writer dashboardsCustom domainsSubstack.comSubstack publications
    1. 2025年11月18日 14:39 UTCinvestigating

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

    2. 2025年11月18日 14:45 UTCmonitoring

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

    3. 2025年11月18日 15:16 UTCresolved

      This incident has been resolved.

    Push notifications delayed on iOS

    開始 2025年11月5日 16:52 UTC · 46m

    Pending
    影響を受けたコンポーネント
    Push Notifications
    1. 2025年11月5日 16:52 UTCidentified

      We are experiencing delays due to a service provider outage.

    2. 2025年11月5日 17:29 UTCmonitoring

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

    3. 2025年11月5日 17:38 UTCresolved

      This incident has been resolved.

    Post emails delayed

    開始 2025年10月20日 13:41 UTC · 11h 11m

    Outage重大なインシデント
    影響を受けたコンポーネント
    Email delivery
    1. 2025年10月20日 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. 2025年10月20日 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. 2025年10月20日 14:12 UTCidentified

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

    4. 2025年10月20日 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. 2025年10月20日 21:50 UTCmonitoring

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

    6. 2025年10月21日 0:52 UTCresolved

      This incident has been resolved.

    Post notifications are delayed

    開始 2025年10月4日 16:06 UTC · 4h 22m

    Issues軽微なインシデント
    影響を受けたコンポーネント
    Push NotificationsEmail delivery
    1. 2025年10月4日 16:06 UTCinvestigating

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

    2. 2025年10月4日 16:25 UTCidentified

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

    3. 2025年10月4日 19:22 UTCmonitoring

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

    4. 2025年10月4日 20:29 UTCresolved

      This incident has been resolved.

    Post email delivery is delayed

    開始 2025年9月20日 14:42 UTC · 1h 43m

    Pending
    影響を受けたコンポーネント
    Email delivery
    1. 2025年9月20日 14:42 UTCinvestigating

      We are currently investigating this issue.

    2. 2025年9月20日 16:08 UTCmonitoring

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

    3. 2025年9月20日 16:25 UTCresolved

      This incident has been resolved.

    Substack experiencing increased latency

    開始 2025年9月15日 15:24 UTC · 3h 47m

    Issues軽微なインシデント
    影響を受けたコンポーネント
    Writer dashboardsCustom domainsEmail deliverySubstack.comSubstack publications
    1. 2025年9月15日 15:24 UTCinvestigating

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

    2. 2025年9月15日 15:34 UTCinvestigating

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

    3. 2025年9月15日 15:42 UTCidentified

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

    4. 2025年9月15日 15:50 UTCidentified

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

    5. 2025年9月15日 16:38 UTCidentified

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

    6. 2025年9月15日 16:46 UTCmonitoring

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

    7. 2025年9月15日 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. 2025年9月15日 17:43 UTCidentified

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

    9. 2025年9月15日 18:39 UTCmonitoring

      Substack is operating normally and our team is monitoring.

    10. 2025年9月15日 19:12 UTCresolved

      This incident has been resolved.

    Delay in sending scheduled posts

    開始 2025年8月30日 16:17 UTC · 15m

    Pending
    影響を受けたコンポーネント
    Email delivery
    1. 2025年8月30日 16:17 UTCidentified

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

    2. 2025年8月30日 16:30 UTCmonitoring

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

    3. 2025年8月30日 16:32 UTCresolved

      This incident has been resolved.

    Livestream creation not working

    開始 2025年8月26日 14:06 UTC · 39m

    Pending
    1. 2025年8月26日 14:06 UTCinvestigating

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

    2. 2025年8月26日 14:45 UTCresolved

      This incident has been resolved.

    Unable to sign in on the Android app

    開始 2025年8月11日 16:15 UTC · 20m

    Pending
    1. 2025年8月11日 16:15 UTCinvestigating

      We are currently investigating this issue.

    2. 2025年8月11日 16:27 UTCmonitoring

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

    3. 2025年8月11日 16:35 UTCresolved

      This incident has been resolved.