Historical record of incidents for Substack
Report: "Substack is experiencing issues"
Last updateThis incident has been resolved.
A fix has been implemented and we are monitoring the results.
We are currently investigating this issue.
Report: "Substack is experiencing issues"
Last updateWe are currently investigating this issue.
Report: "Email analytics backup"
Last updateAll email analytics should be up to date.
At this time, email delivery statistics are accurate, but we're still in the process of backfilling email open statistics between Tuesday and Wednesday afternoon.
Our engineers are backfilling missing data from the impacted time period. We'll continue to update the incident as that process completes.
We have identified the issue related to delayed statistics for email deliveries and opens. We are currently processing enqueued events and working toward full recovery.
We are experiencing a delay in reader activity statistics relating to email deliveries/opens. Emails continue to send as normal, though their stats are currently delayed.
Report: "Email analytics backup"
Last updateWe are experiencing a delay in reader activity statistics relating to email deliveries/opens. Emails continue to send as normal, though their stats are currently delayed.
Report: "Increased error rates"
Last updateThis incident has been resolved.
We are seeing full recovery across Substack and our team is now monitoring.
We are continuing to see recovery. Substack publications, the publisher dashboard, and other functionality are fully recovered. We continue to work on increased error rates across Substack.com, the Substack app, and the post editor.
We are beginning to see recovery across Substack and error rates are returning the normal levels.
We are experiencing elevated error rates across all Substack applications including publication websites, Substack.com, and the Substack apps. We have identified the issue and we are working toward recovery.
The website is down.
This issue is causing performance degradation across the system.
We are currently investigating this issue.
Report: "Increased error rates"
Last updateWe are experiencing elevated error rates across all Substack applications including publication websites, Substack.com, and the Substack apps. We have identified the issue and we are working toward recovery.
The website is down.
This issue is causing performance degradation across the system.
We are currently investigating this issue.
Report: "Data processing delays"
Last updateWe are currently investigating this issue.
Report: "Errors loading notes feed"
Last updateThis incident has been resolved.
A fix has been implemented and we are monitoring the results.
We have identified an issue preventing users from loading the notes feed and are implementing a fix
Report: "Errors loading notes feed"
Last updateThis incident has been resolved.
A fix has been implemented and we are monitoring the results.
We have identified an issue preventing users from loading the notes feed and are implementing a fix
Report: "Email delivery delays"
Last updateThis incident has been resolved.
The issue causing delays to email delivery on posts has been addressed.
We have identified the cause of the email delays and are working to resolve.
We are investigating reports of delayed email delivery for posts published on Substack.
Report: "Issues loading Notes"
Last updateThis incident has been resolved.
A fix has been implemented and we are monitoring the results.
We are currently investigating an issue causing problems loading the Notes feed.
Report: "Publisher Dashboard and Notifications are experiencing slowdowns"
Last updateThis incident has been resolved.
A fix has been implemented and we are monitoring the results.
The issue has been identified and a fix is being implemented.
Publisher Dashboard and Notifications are experiencing slowdowns. We are investigating the cause.
Report: "Substack home page and app home tab errors"
Last updateThis incident has been resolved.
We have restored the feed for all users on Substack.com and in the Substack app home tab and have seen error rates subside. We are continuing to monitor.
We are continuing to work to resolve the increased error rate from the Substack home page and Substack app home tab. Some Substack users may not see Notes in your feed while we work to restore service.
We have identified the issue and we're working to resolve the errors from the Substack.com home page and Substack app home tab.
We have identified an issue causing increased errors from the Substack web destination as well as the home tab of the Substack app. We are working to resolve.
We are investigating reports of Notes not loading on the Substack homepage.
Report: "Delays in stats"
Last updateThis incident has been resolved.
A fix has been implemented and we are monitoring the results.
We're experiencing a delay in processing some stats across the platform. Data on various dashboards may be out of date.
Report: "Increased latency and errors"
Last updateThis incident has been resolved.
Substack websites and applications are fully operational and our team is monitoring.
We have identified the issue and are beginning to see recovery across all Substack websites and applications.
We are continuing to investigate reports of increased latency and errors for all Substack websites and applications.
We are investigating reports of increased latency and errors for Substack.com, publication websites, and the Substack app.
Report: "Degraded performance for search and publisher dashboard"
Last updateThis incident has been resolved.
A fix has been implemented and we are monitoring the results.
We are currently investigating this issue.
Report: "We are investigating an issue where stats are delayed across the platform."
Last updateThis incident has been resolved.
A fix has been implemented and we are monitoring the results.
We are currently investigating this issue.
Report: "Elevated Error Rates"
Last updateThis incident has been resolved.
Substack services are fully available. We are continuing to monitor.
We are currently experiencing an elevated error rate to Substack web sites and through our mobile application, but are seeing recovery. We are continuing to work toward mitigation.
We are experiencing an outage, but we are recovering.
Report: "Elevated Latency"
Last updateThis incident has been resolved.
A fix has been implemented and we are monitoring the results.
The issue has been identified and a fix is being implemented.
We are currently investigating this issue.
Report: "Issue updating titles on drafts"
Last updateThis incident has been resolved.
The issue has been identified and a fix is being implemented.
We are currently investigating this issue.
Report: "Issue managing Stripe subscriptions"
Last updateThis incident has been resolved.
We are currently investigating an issue related to managing subscriptions.
Report: "Posts incorrectly auto paywalled"
Last updateThis incident has been resolved.
We have resolved this issue and are monitoring.
We have identified a bug where some posts where automatically paywalled incorrectly. We are currently working to correct this and will provide updates here shortly.
Report: "Posts not being delivered via email"
Last updateThis incident has been resolved.
The delays in post delivery have been resolved and previously scheduled posts are currently being delivered. We are monitoring our systems to ensure delivery.
We are continuing to work on addressing delays in email deliveries.
We can confirm delays in email deliveries for Substack posts starting at 9am EDT. We are working to resolve the issues.
We are investigating reports that some posts are not being delivered via email.
Report: "Mobile App Issues"
Last updateThis incident has been resolved.
We're working on remedying an issue causing many parts of the Substack iOS and Android apps to not load properly.
Report: "Issue with setting up new custom domains"
Last updateThis incident has been resolved.
We've identified an issue preventing the setup of new custom domains and are working to restore functionality.
Report: "Substack increased latency and error rate"
Last updateThis incident has been resolved and Substack is operating normally.
Substack is operating normally. We are continuing to monitor.
We are beginning to see recovery across Substack. We are continuing to work toward full resolution.
We are continuing to work toward resolution and anticipate recovery starting shortly. At this time Substack is experiencing degraded performance across the web and Substack app. We are working to resolve as soon as possible.
We are continuing to work toward resolution. At this time Substack is experiencing degraded performance across the web and Substack app. We are working to resolve as soon as possible.
We have identified the cause of the issue and are working toward resolution. At this time Substack is experiencing degraded performance across the web and Substack app. We are working to resolve as soon as possible.
We are investigating reports of increased errors and Latency from all Substack services.
Report: "Increased error rates"
Last updateThis incident has been resolved.
A fix has been implemented and we are monitoring the results.
We have resolved the issue and have fully recovered. We will continue to monitor.
We are investigating reports of increased error rates across Substack.
Report: "Delayed push notifications due to OneSignal outage"
Last updateThis incident has been resolved.
We've identified an issue with delays in push notifications due to an outage at our push notification delivery provider, OneSignal. We expect all notifications to be delivered as normal once the issue is resolved.
Report: "Delayed stats due to Amazon Web Services outage"
Last updateThis incident has been resolved.
The outage at Amazon Web Services has been resolved and we're processing the delayed data. We expect stats to be fully up to date by 11:30 PM PT.
We're continuing to monitor an issue with delays in publisher stats due to an outage at our data processing provider, Amazon Web Services. We expect no data to be lost and stats to appear as normal once the issue is resolved, which we expect will be by 11 PM PT at the latest.
We've investigated an issue with delays in publisher stats due to an outage at our data processing provider, Amazon Web Services. We expect no data to be lost and stats to appear as normal once the issue is resolved.
Report: "Dropping email open rates due to Apple iCloud Private Relay outage"
Last updateWe’ve investigated a trend of dropping email open rates for a subset of publishers since 7/25. We believe this is due to the outage with Apple’s iCloud Private Relay from 7/25 — 7/27, and that this doesn't reflect an actual change in opens.
Report: "Substack is aware of an issue affecting site availability."
Last updateThis incident has been resolved.
We are currently investigating this issue.
Report: "Increased latency"
Last updateThis incident has been resolved.
We have addressed the issue and performance has recovered. We are continuing to monitor.
We have identified the issue and are working towards resolution.
We are currently experiencing reduced performance to Substack websites and the Substack app. We are investigating.
Report: "Scheduled posts are not being sent"
Last updateThe issue has been resolved.
A fix has been implemented and we are monitoring the results.
The issue has been identified and a fix is being implemented.
We're investigating the issue with scheduled posts not being sent.
Report: "Drafts not displaying on post dashboard"
Last updateThis incident has been resolved.
We are currently investigating this issue.
Report: "Drafts not displaying on post dashboard"
Last updateThis incident has been resolved.
A fix has been implemented and we are monitoring the results.
The issue has been identified and a fix is being implemented.
We are currently investigating this issue.
Report: "Subscriber data inconsistencies"
Last updateThis incident has been resolved.
We have resolved the subscriber count issue from earlier but still working on fixing subscriber data inconsistencies. This is only a reporting issue, and actual subscriber data were not lost.
Report: "Subscriber Count Issue"
Last updateThis incident has been resolved.
A fix has been implemented and we are monitoring the results.
The issue has been identified and a fix is being implemented.
We are investigating an issue causing large drops in subscriber counts/graphs for today's numbers. This is only a reporting issue, and actual subscribers were not lost.
Report: "We are investigating an issue where new drafts are not appearing on dashboards."
Last updateThis incident has been resolved.
The issue has been identified and a fix is being implemented.
We are currently investigating this issue.
Report: "Increased latencies and site availability issues"
Last updateThis incident has been resolved.
A fix has been implemented and we are monitoring the results.
The issue has been identified and a fix is being implemented.
We are investigating an issue causing the site to load slowly or not load for some users.
Report: "Increased latencies"
Last updateThis incident has been resolved.
A fix has been implemented and we are monitoring the results.
We have identified the issue. Latency issues have been resolved and post stats on writer dashboards are currently catching up.
Some stats on writer dashboards may be delayed as we work to mitigate the issue.
We are currently investigating this issue.
Report: "Delays in post stats"
Last updateThis incident has been resolved.
The issue has been identified and a fix is being implemented.
We are investigating an issue where the processing of stats is delayed.
Report: "Substack site issues"
Last updateThis issue has been resolved.
This issue has been resolved.
We have resolved the issue and are continuing to monitor.
We are starting to see recovery and are continuing to work to resolve the issue.
We have identified the issue and are working towards resolution.
We are continuing to investigate this issue.
We are currently investigating elevated latency across Substack.
Report: "Post stats delayed"
Last updateThis incident has been resolved.
The issue has been resolved and post stats are no longer delayed.
We have identified the issue and are working towards resolving the delay.
Substack is currently experiencing delays updating post metrics in writer dashboards. We are investigating this issue.
Report: "Substack availability issues"
Last updateThese issues have been resolved.
The issue has been resolved and Substack is operating normally. We are continuing to monitor.
We have identified the issue and are working towards resolution.
We are continuing to investigate this issue.
We are continuing to investigate this issue.
We are investigating availability issues with Substack impacting editing tools and other dashboard functionality.
Report: "Substack is experiencing issues"
Last updateThe incident has been resolved
We are currently investigating a degradation in Substack's service.
Report: "Experiencing issues"
Last updateThis incident has been resolved.
A fix has been implemented and we are monitoring the results.
We are investigating an issue where emails and email statistics are being delayed. We are working on a fix.
Report: "Increased latency and error rate"
Last updateThis incident has been resolved.
A fix has been implemented and we are monitoring the results.
Substack is experiencing technical issues, we are investigating.
Report: "Scheduled posts are delayed"
Last updateThis incident has been resolved.
A fix has been implemented and we are monitoring the results.
Scheduled posts are currently not going out. We are deploying a fix, scheduled posts will resume sending shortly.
Report: "Elevated errors forwarding @substack.com emails"
Last updateThis incident has been resolved.
Our upstream email provider is experiencing technical issues. We are monitoring the status.
Report: "Delays in activating custom domains"
Last updateThis incident has been resolved.
We are currently seeing delays in activating any new custom domains due to an outage with an external service provider. We are currently monitoring the issue.
Report: "Errors loading Notes feeds"
Last updateThis incident has been resolved.
We're aware of an issue loading Notes feeds. We've identified the problem and are rolling out a fix.
Report: "Homepage down for some visitors"
Last updateThis incident has been resolved.
The issue has been identified and a fix is being implemented.
We are currently investigating this issue.
Report: "Issue loading some publisher dashboards"
Last updateThis incident has been resolved.
A fix has been implemented and we are monitoring the results.
We have identified an issue loading some publisher dashboards and are working to restore functionality.
Report: "Substack Availability Issues"
Last updateThis incident has been resolved.
A fix has been implemented and we are monitoring the results.
We've identified the issue and are working to restore functionality.
We are investigating availability issues with Substack. We hope to have service restored shortly.
Report: "Issue interacting with Substack pages"
Last updateThis incident has been resolved.
A fix has been implemented and we are monitoring the results.
We've identified an issue interacting with Substack pages. A fix is bring rolled out and service should be restored shortly.