# Substack incident history

- **Substack**: [Increased latency on post publishing](https://down.guide/substack/DWN-5379e06cb5) (Degraded; lasted 1h 24m; started 2026-10-29 03:12 UTC; Substack publications, Writer dashboards)
- **Substack**: [Elevated latencies](https://down.guide/substack/DWN-bccc57c0c9) (Degraded; lasted 55m; started 2026-10-09 22:37 UTC; Substack.com)
- **Substack**: [Delays in post delivery stats](https://down.guide/substack/DWN-8aea1905ac) (Degraded; lasted 3h 23m; started 2026-08-30 15:17 UTC; Writer dashboards)
- **Substack**: [Issues loading Notes](https://down.guide/substack/DWN-1e20386da7) (Degraded; lasted 32m; started 2026-08-18 04:23 UTC; Substack.com)
- **Substack**: [Issues loading media on Substack](https://down.guide/substack/DWN-7642f99c29) (Degraded; lasted 5h 54m; started 2026-07-16 10:06 UTC; Substack.com)
- **Substack**: [Delays in post delivery](https://down.guide/substack/DWN-8321339476) (Degraded; lasted 52m; started 2026-06-03 13:58 UTC; Email delivery)
- **Substack**: [Service degraded due to a provider.](https://down.guide/substack/DWN-ff9e2607b7) (Degraded; lasted 1h 36m; started 2026-04-22 19:12 UTC; Substack publications, Writer dashboards, Email delivery +4)
- **Substack**: [Issue with reported open rates](https://down.guide/substack/DWN-6f75c9ff59) (Degraded; lasted 44d 19h; started 2026-03-27 22:20 UTC; Email delivery)
- **Substack**: [We're aware of an issue causing delays in publisher stats](https://down.guide/substack/DWN-37bd835215) (Degraded; lasted 2h 54m; started 2026-02-27 00:41 UTC; Writer dashboards)
- **Substack**: [Publisher Stats Loading](https://down.guide/substack/DWN-9c8c4b5e7f) (Degraded; lasted 33m; started 2026-02-26 23:10 UTC; Writer dashboards)
- **Substack**: [Substack Availability Issues](https://down.guide/substack/DWN-586adc8eda) (Partial outage; lasted 1h 5m; started 2026-02-12 23:25 UTC; Substack publications, Writer dashboards, Substack.com)
- **Substack**: [Substack Availability Issues](https://down.guide/substack/DWN-55819bcd6e) (Partial outage; lasted 1h 21m; started 2026-02-11 14:24 UTC; Substack publications, Writer dashboards, Substack.com)
- **Substack**: [Issues loading Notes](https://down.guide/substack/DWN-4303ffc386) (Degraded; lasted 15m; started 2026-01-15 12:35 UTC; Substack.com)
- **Substack**: [Elevated latencies](https://down.guide/substack/DWN-569e57ecb3) (Degraded; lasted 3h 9m; started 2026-01-14 17:38 UTC)
- **Substack**: [Delays in audio read-aloud processing.](https://down.guide/substack/DWN-6ebd75ce78) (Degraded; lasted 12h 19m; started 2026-01-05 17:17 UTC)
- **Substack**: [Substack is experiencing issues](https://down.guide/substack/DWN-5f63a9f828) (Degraded; lasted 42m; started 2025-12-22 23:31 UTC; Substack.com)
- **Substack**: [Substack is experiencing issues](https://down.guide/substack/DWN-dd8a87374a) (Degraded; lasted 38m; started 2025-11-18 14:39 UTC; Substack publications, Writer dashboards, Substack.com +1)
- **Substack**: [Push notifications delayed on iOS](https://down.guide/substack/DWN-46c549f2b8) (Degraded; lasted 46m; started 2025-11-05 16:52 UTC; Push Notifications)
- **Substack**: [Post emails delayed](https://down.guide/substack/DWN-57b70fb200) (Partial outage; lasted 11h 11m; started 2025-10-20 13:41 UTC; Email delivery)
- **Substack**: [Post notifications are delayed](https://down.guide/substack/DWN-057dedb753) (Degraded; lasted 4h 22m; started 2025-10-04 16:06 UTC; Email delivery, Push Notifications)

[Back to Substack](https://down.guide/substack)

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