LaunchDarkly incident

Data attribution issues with Experimentation

Major Resolved View vendor source →

LaunchDarkly experienced a major incident on February 12, 2026 affecting Experiment results analysis, lasting 4h 8m. The incident has been resolved; the full update timeline is below.

Started
Feb 12, 2026, 11:30 PM UTC
Resolved
Feb 13, 2026, 03:39 AM UTC
Duration
4h 8m
Detected by Pingoru
Feb 12, 2026, 11:30 PM UTC

Affected components

Experiment results analysis

Update timeline

  1. investigating Feb 13, 2026, 01:31 AM UTC

    We are investigating an issue where certain experiment iterations are receiving incorrectly attributed data.

  2. identified Feb 13, 2026, 01:32 AM UTC

    The team has identified the root cause and is working on a fix.

  3. identified Feb 13, 2026, 02:38 AM UTC

    We have fixed the data attribution issues where certain experiment iterations are receiving incorrectly attributed data for any new experiments that are created. We are fixing the data attribution error for active experiments.

  4. resolved Feb 13, 2026, 03:39 AM UTC

    We have fixed the data attribution issues where running experiment iterations were receiving incorrectly attributed data. This incident is now resolved and results for active experiments are now accurate.