Tickets and contributions
The Performance Team works on performance-related tickets in coreCore Core is the set of software required to run WordPress. The Core Development Team builds WordPress. and holds a fortnightly Bug Scrub on Wednesdays, and a monthly Repo Scrub, also on Wednesday; check https://make.wordpress.org/meetings/ for current time.
Team headlines and updates
WordPress 6.7 release was on November 12, there were 23 items in total from the Performance team that were part of this release. A full list of these can be found here. The WordPress 6.7.1 release was on November 21, this was a minor releaseMinor Release A set of releases or versions having the same minor version number may be collectively referred to as .x , for example version 5.2.x to refer to versions 5.2, 5.2.1, 5.2.3, and all other versions in the 5.2 (five dot two) branch of that software. Minor Releases often make improvements to existing features and functionality. that focussed on 16 bug fixes. The WordPress Performance Team has been focusing on a few bug fixes in October and November, such as a bug fix for Auto-sizes Reducing Image Sizes where it was discovered that images on the site appeared drastically smaller than intended (details here).
Improving the calculation of image size attributes
The Auto Sizes for Lazy-loaded Images feature was released in 6.7. The team will continue to focus on the remaining follow up issues outlined in this Roadmap and have already progressed ticket 1511 to break this down further into sub tasks.
Enable client side modern image generation
Work continues on this project which is being tracked in the overview issue.
Enhance the onboarding experience of Performance Lab
This project has now been closed and completed. It was agreed that because the following PR’s, 1646 and 1675, have been merged and released we can close the onboarding issue. There may be an instance in the future where more feedback was received, but for now these two PRs are sufficient in supporting user feedback.
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)
Performance Lab plugin updates are released monthly on the third Monday of the month.
The November Performance Lab plugin release included:
Version 3.6, on November 18, 2024
- Performance Lab
- Fix race condition bug where activating multiple features sequentially could fail to activate some features. (1675)
- Use AJAX for activating features / plugins in Performance Lab. (1646)
- Introduce AVIF headerHeader The header of your site is typically the first thing people will experience. The masthead or header art located across the top of your page is part of the look and feel of your website. It can influence a visitor’s opinion about your content and you/ your organization’s brand. It may also look different on different screen sizes. health check. (1612)
- Install and activate Optimization Detective when the Embed Optimizer feature is activated from the Performance screen. (1644)
- Fix uses of ‘Plugin not found’ string. (1651)
- Optimization Detective
- Serve unminified scripts when SCRIPT_DEBUG is enabled. (1643)
- Bump web-vitals from 4.2.3 to 4.2.4. (1628)
- Eliminate the detection time window which prevented URLURL A specific web address of a website or web page on the Internet, such as a website’s URL www.wordpress.org Metrics from being gathered when page caching is present. (1640)
- Revise the use of nonces in requests to store a URL Metric and 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. cross-origin requests. (1637)
- Send post ID of queried object or first post in loopLoop The Loop is PHP code used by WordPress to display posts. Using The Loop, WordPress processes each post to be displayed on the current page, and formats it according to how it matches specified criteria within The Loop tags. Any HTML or PHP code in the Loop will be processed on each post. https://codex.wordpress.org/The_Loop. in URL Metric storage request to schedule page cache validation. (1641)
- Fix phpstan errors. (1627)
- Modern Image Formats
- Introduce webp_uploads_get_file_mime_type helper function. (1642)
- Rename webp_uploads_get_file_mime_type to webp_uploads_get_attachment_file_mime_type to clarify scope. (1662)
- Fix bug that would prevent uploaded images from being converted to the intended output format when having fallback formats enabled. (1635)
