The first stable version of the Performance Lab plugin has been released!

User can download it from from the WordPress plugin repository

The purpose of the Performance Lab plugin is beta testing potential future WordPress core performance features.

Currently plugin includes feature such as WebP Uploads, Persistent Object Cache Health Check, Audit Autoloaded Options, Audit Enqueued Assets, WebP Support.

Tester can submit their feedback either in the plugin support forum or GitHub repository.

This plugin has been developed by folks behind

User can selectively enable or disable feature from the plugin UI

The Performance Lab plugin is being actively worked on by the WordPress performance team, which was formed in late October 2021.