# Pusher change history

Filter: kind=all. Query: `?kind=notable|all|pages|pricing|trust|legal|incident|incident_edit|incident_deleted|incident_update&history=<history_id>&page=N`. Company profile: [Pusher](https://rewindex.com/company/pusher.md)
## Changes by kind

| Kind | Changes | Notable | Latest (UTC) |
| --- | --- | --- | --- |
| Major incident | 6 | 6 | 2025-10-21 15:06 UTC |

## Timeline

| When (UTC) | Kind | Change | Label | Summary |
| --- | --- | --- | --- | --- |
| 2025-10-21 15:06 UTC | Major incident | [Major incident: Elevated API Errors in AP4 Cluster](https://rewindex.com/change/i8af2640c885e4d.md) | outage | Pusher reported a major AP4 incident affecting Channels API message publishing, with elevated errors and latency, starting 2025-10-21 15:06 UTC and resolved at 2025-10-21 17:43 UTC (computed duration: 2 h 36 min). Pusher identified an issue with a backend caching server and implemented a fix; many customers may have been unable to publish new messages. |
| 2025-10-20 18:36 UTC | Major incident | [Major incident: US3 cluster - major outage](https://rewindex.com/change/i5e3347c0bf62f8.md) | outage | Pusher reported a major US3 outage affecting Channels presence channels, Channels REST API and Channels WebSocket client API, with latency, 503 errors and full service downtime. It started at 2025-10-20 18:36 UTC and resolved at 2025-10-20 20:41 UTC, lasting 2 h 5 min. The postmortem identifies Redis cluster startup failures; Pusher reported implementing a fix. |
| 2025-10-20 17:26 UTC | Major incident | [Major incident: MT1 cluster - increased latency](https://rewindex.com/change/i11a5a85d8c3052.md) | degradation | Pusher reported major increased latency on Channels cluster \`mt1\`, affecting Channels Dashboard, Channels presence channels, Channels REST API and Channels WebSocket client API. It started at 2025-10-20 17:26 UTC and was resolved at 2025-10-21 07:14 UTC, lasting 13 h 48 min. Pusher attributed the latency to an external cloud-provider incident. |
| 2024-09-08 18:00 UTC | Major incident | [Critical incident: We are experiencing a major outage in our US2 cluster](https://rewindex.com/change/i0641f2fa426791.md) | outage | Pusher’s critical US2 outage affected most traffic, including Channels presence channels, REST API, Webhooks and WebSocket client API. It started at 2024-09-08 18:00 UTC and was resolved at 2024-09-08 23:06 UTC, lasting 5 h 5 min. Pusher reported deploying a fix and restoring services; no cause was specified. |
| 2024-06-05 21:01 UTC | Major incident | [Critical incident: Stats collection experiencing an interruption](https://rewindex.com/change/i046a6afbc73704.md) | outage | Pusher reported a critical interruption in Channels Stats Integrations: stats collection stopped at 2024-06-05 21:01 UTC, leaving customers without stats collection for 1 h 38 min. The vendor reported a fix at 2024-06-05 22:23 UTC and resolved the incident at 2024-06-05 22:39 UTC; no cause was stated. |
| 2023-12-05 17:34 UTC | Major incident | [Critical incident: Public EU cluster outage](https://rewindex.com/change/i0cc8eacc3599ba.md) | outage | Pusher reported a critical public EU cluster outage affecting customers in that region; other regions were unaffected. The incident ran from 2023-12-05 17:34 UTC to 2023-12-05 18:11 UTC, lasting 36 min. Pusher identified the issue and implemented a fix, reporting all services back online at 17:47 UTC. |


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Canonical: https://rewindex.com/company/pusher/changes · Markdown: https://rewindex.com/company/pusher/changes.md · JSON: https://rewindex.com/api/v1/companies/pusher/changes · Generated 2026-10-18T02:27:58.758Z