Core Performance Team Update – September 30, 2022

Performance Lab

Performance Lab plugin updates are released monthly on the third Monday of the month.

September’s release, v.1.5.0, was a small one as the team was focused on WebP work (see below). The only addition was an improvement to the autoloaded options Site Health check.

Proposals and Discussion

Performance Team chats are held weekly on Tuesdays; check for current time.


In addition to Performance Lab, the Performance Team also works on performance-related tickets in core and holds a monthly Bug Bash on the first Wednesday of every month; check for current time.

The Team merged several performance-related improvements for 6.1, including adding two new Site Health checks for Persistent Object Caching (#56040) and Audit Full Page Cache (#56041) from the Performance Lab pluginPlugin A plugin is a piece of software containing a group of functions that can be added to a WordPress website. They can extend functionality or add new features to your WordPress websites. WordPress plugins are written in the PHP programming language and integrate seamlessly with WordPress. These can be free in the Plugin Directory or can be cost-based plugin from a third-party as well as #37114, #54541, #54677, #55005, #55227, #55392, #54106, #49532, and several improvements to `WP_Query`, multisiteMultisite Multisite is a WordPress feature which allows users to create a network of sites on a single WordPress installation. Available since WordPress version 3.0, Multisite is a continuation of WPMU or WordPress Multiuser project. WordPress MultiUser project was discontinued and its features were included into WordPress core., REST APIREST API The REST API is an acronym for the RESTful Application Program Interface (API) that uses HTTP requests to GET, PUT, POST and DELETE data. It is how the front end of an application (think “phone app” or “website”) can communicate with the data store (think “database” or “file system”), caching APIAPI An API or Application Programming Interface is a software intermediary that allows programs to interact with each other and share data in limited, clearly defined ways., scripts and images – see our recent meeting notes for a full list.

Props to @mukesh27 and @spacedmonkey for doing the bulk of this work!