Amplitude incident
Variant Editing Unavailable in Experiment Web Application
Amplitude experienced a notice incident on August 4, 2025, lasting 12h. The incident has been resolved; the full update timeline is below.
Update timeline
- resolved Aug 05, 2025, 02:22 AM UTC
Start Time: 1:42 PM PDT, August 4, 2025 End Time: 7:45 PM PDT, August 4, 2025 We experienced a partial outage in the Experiment web application where users were temporarily unable to edit variants within experiments. The editing interface was unintentionally disabled, preventing any modifications to variant configurations. Impact: - Users were unable to make changes to existing variants. - Other functionality—including experiment creation, viewing, and reporting—remained fully operational. - No experiment data or configurations were lost. Resolution: - The issue was identified and a fix was deployed at 7:45 PM PDT on August 4, 2025. Variant editing functionality has now been fully restored. We appreciate your patience and apologize for the disruption.