Weights & Biases incident

High latency - Workspaces & API Impacted

Minor Resolved View vendor source →

Weights & Biases experienced a minor incident on March 5, 2026 affecting Backend API and Frontend, lasting 5h 15m. The incident has been resolved; the full update timeline is below.

Started
Mar 05, 2026, 07:03 PM UTC
Resolved
Mar 06, 2026, 12:19 AM UTC
Duration
5h 15m
Detected by Pingoru
Mar 05, 2026, 07:03 PM UTC

Affected components

Backend APIFrontend

Update timeline

  1. investigating Mar 05, 2026, 07:03 PM UTC

    We're experiencing an elevated level of latency across the site and API. We are actively investigating the issue.

  2. investigating Mar 05, 2026, 07:07 PM UTC

    We are continuing to investigate this issue.

  3. investigating Mar 05, 2026, 08:02 PM UTC

    We have implemented a set of mitigations - site performance is significantly improved and we are investigating further fixes.

  4. monitoring Mar 05, 2026, 09:36 PM UTC

    A fix has been implemented and we are monitoring the results.

  5. resolved Mar 06, 2026, 12:19 AM UTC

    UI & API latency has returned to normal ranges