Outage in Retool

Workflows with custom npm libraries failing to install

Resolved Minor

May 08, 2026 - Started 6 days ago - Lasted about 6 hours
Official incident page

Incident Report

Summary AI Generated

Retool workflows using custom npm libraries failed to execute for 5.5 hours, affecting both Cloud and self-hosted customers. The issue was resolved by deploying a fix to Retool Cloud and releasing patches for self-hosted installations (versions 3.300.28-stable and 3.334.12-stable).

We are investigating an issue where workflows using custom npm libraries are failing to execute. This affects both Retool Cloud and self-hosted customers. A fix has been identified and is currently being deployed to Cloud. Self-hosted patch releases are in progress.

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Latest Updates ( sorted recent to last )

RESOLVED 6 days ago - at 05/08/2026 10:33PM

This incident has been resolved. Self-hosted customers should update to 3.300.28-stable or 3.334.12-stable for the fix.

MONITORING 6 days ago - at 05/08/2026 06:15PM

A fix has been deployed to Retool Cloud. Self-hosted customers should upgrade to 3.300.28-stable or 3.334.12-stable, which has the fix. We are monitoring to confirm full resolution.

IDENTIFIED 6 days ago - at 05/08/2026 05:03PM

We are investigating an issue where workflows using custom npm libraries are failing to execute. This affects both Retool Cloud and self-hosted customers.

A fix has been identified and is currently being deployed to Cloud. Self-hosted patch releases are in progress.

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