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Outage in Railway

Builds are delayed and slow to progress

Resolved Minor
May 04, 2026 - Started about 11 hours ago - Lasted about 6 hours
Official incident page

Incident Report

Summary AI Generated

Railway's build pipeline experienced significant delays and slowdowns for 5.5 hours due to an upstream issue with GitHub services, causing builds to queue for extended periods and take longer than usual to complete. The incident affected build processing times and created a backlog as elevated build volumes overwhelmed the system. Engineers scaled the build pipeline and monitored recovery as GitHub resolved their upstream issues, with build times gradually returning to baseline levels.

On-call engineers continue to scale and unblock our build pipeline to support the elevated build volume. We are seeing recovery with build times returning to their baseline.

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Latest Updates ( sorted recent to last )
MONITORING about 6 hours ago - at 05/04/2026 08:25PM

On-call engineers continue to scale and unblock our build pipeline to support the elevated build volume. We are seeing recovery with build times returning to their baseline.

MONITORING about 7 hours ago - at 05/04/2026 07:44PM

We are still seeing elevate build times as we work through the backlog and a higher volume of builds than usual. Build are processing with some delay

MONITORING about 8 hours ago - at 05/04/2026 06:20PM

We are continuing to see elevated load causing builds to complete with added latency. Builds are progressing while we work through the backlog. We will provide another update as the backlog clears.

MONITORING about 9 hours ago - at 05/04/2026 05:12PM

GitHub's upstream issues have been resolved and our build pipeline is recovering. We are monitoring as the system works through the remaining backlog.

Builds may still take longer than usual to start while the queue drains. We will provide a further update once build times return to normal.

IDENTIFIED about 10 hours ago - at 05/04/2026 04:46PM

GitHub has indicated they have resolved the upstream issues affecting their services. We are monitoring our build pipeline and seeing conditions improve.

We will provide a further update shortly to confirm full recovery.

IDENTIFIED about 10 hours ago - at 05/04/2026 04:30PM

We have identified that the current build delays are related to an upstream issue with GitHub. Multiple GitHub services are currently degraded, which is contributing to builds queuing and taking longer than usual to progress.

We are monitoring the situation closely and will provide further updates as GitHub's incident develops.

INVESTIGATING about 11 hours ago - at 05/04/2026 04:08PM

We are continuing to investigate the underlying issue. We are seeing some recovery in build times.

INVESTIGATING about 11 hours ago - at 05/04/2026 03:32PM

We are aware of an issue causing builds to queue and take longer than usual to progress. Users may experience builds remaining in a queued state for an extended period.

We are actively investigating and will provide updates as we learn more.

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