Performance Chat Summary: 21 April 2026

Welcome!

The WordPress coreCore Core is the set of software required to run WordPress. The Core Development Team builds WordPress. development team builds WordPress! Follow this site for general updates, status reports, and the occasional code debate. There’s lots of ways to contribute:

Found a bugbug A bug is an error or unexpected result. Performance improvements, code optimization, and are considered enhancements, not defects. After feature freeze, only bugs are dealt with, with regressions (adverse changes from the previous version) being the highest priority.? Create a ticket in the bug tracker.

Want to contribute? Get started quickly with tickets marked as good first bugs for new contributors or join a bug scrub. There’s more on the reports page, like patches needing testing, and on feature projects page.

Other questions? Here is a detailed handbook for contributors, complete with tutorials.

The full chat log is available beginning here on Slack.

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 WordPress.org Plugin Directory https://wordpress.org/plugins/ or can be cost-based plugin from a third-party. (and other performance plugins)

@mukesh27 shared that @westonruter discussed the Auto Sizes feature during WordCampWordCamp WordCamps are casual, locally-organized conferences covering everything related to WordPress. They're one of the places where the WordPress community comes together to teach one another what they’ve learned throughout the year and share the joy. Learn more. Asia and opened issue #2449 to outline next steps for further work. @mukesh27 mentioned plans to review the issue and pick it up again when possible, and invited others to contribute in the meantime.
- @mukesh27 also noted that resolving the sizes issue for the Gallery blockBlock Block is the abstract term used to describe units of markup that, composed together, form the content or layout of a webpage using the WordPress editor. The idea combines concepts of what in the past may have achieved with shortcodes, custom HTML, and embed discovery into a single consistent API and user experience. would put the feature in a good position to be proposed for WordPress CoreCore Core is the set of software required to run WordPress. The Core Development Team builds WordPress..
- @ravikhadka replied expressing interest in working on the feature.

Our next chat will be held on Tuesday, May 5, 2026 at 16:00 UTC in the #core-performance channel in Slack.

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