Customization
Regression threshold
The regression threshold is the percentage of performance degradation relative to your default branch that is considered acceptable.
If the overall performance degradation is less than the threshold, the status check is considered successful. Otherwise, the status check will fail and the only way to make it pass is either to fix the performance issues or to acknowledge the regression.
By default, the regression threshold is set to 10% but you can change it in the Settings tab of your repository: