Performance Chat Summary: 10 March 2026

The full chat log is available beginning here on Slack.

WordPress Performance TracTrac An open source project by Edgewall Software that serves as a bug tracker and project management tool for WordPress. tickets

• @westonruter shared ticketticket Created for both bug reports and feature development on the bug tracker. #64823, which was filed as a companion to various GutenbergGutenberg The Gutenberg project is the new Editor Interface for WordPress. The editor improves the process and experience of creating new content, making writing rich content much simpler. It uses ‘blocks’ to add richness rather than shortcodes, custom HTML etc. https://wordpress.org/gutenberg/ issues related to fetchpriority=high being added incorrectly to IMG tags hidden in blocks. A coreCore Core is the set of software required to run WordPress. The Core Development Team builds WordPress. patchpatch A special text file that describes changes to code, by identifying the files and lines which are added, removed, and altered. It may also be referred to as a diff. A patch can be applied to a codebase for testing. is needed to both backportbackport A port is when code from one branch (or trunk) is merged into another branch or trunk. Some changes in WordPress point releases are the result of backporting code from trunk to the release branch. the changes from Gutenberg and make additional refinements to the wp_get_loading_optimization_attributes() and wp_maybe_add_fetchpriority_high_attr() functions to handle the new core use of fetchpriority=auto and fetchpriority=low.
  • PR #11196 is ready for review. @mukesh27 has started reviewing it, and @westonruter shared that it would benefit from additional Performance team review.

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)

• @westonruter shared that there hasn’t been any feedback from users on the proposal to sunset Web Worker Offloading, even though there were apparently 6000+ updates to the version that includes the inline warning notice about the intended sunset. @westonruter speculated that it could be because users haven’t seen it yet or they don’t care.

Open Floor

• @westonruter shared about traveling for the next two weeks, so joining the next two meetings will not be possible.

Our next chat will be held on Tuesday, March 24, 2026 at 16:00 UTC in the #core-performance channel in Slack.

#core-performance, #hosting, #performance, #performance-chat, #summary