The fourth release candidate for WordPress 5.3 is now available!
WordPress 5.3 is currently scheduled to be released on November 12 2019, but we need your help to get there—if you haven’t tried 5.3 yet, now is the time!
There are two ways to test the WordPress 5.3 release candidate:
For details about what to expect in WordPress 5.3, please see the first, second and third release candidate posts.
Release Candidate 4 contains three bug fixes for the new default theme, Twenty Twenty (see #48450), and addresses the following:
Please test your plugins and themes against WordPress 5.3 and update the Tested up to version in the readme to 5.3. If you find compatibility problems, please be sure to post to the support forums so we can figure those out before the final release.
The WordPress 5.3 Field Guide has also been published, which details the major changes.
A new dev note has been published since the Field Guide was released, Use of the “wp_update_attachment_metadata” filter as “upload is complete” hook. Plugin and theme authors are asked to please read this note and make any necessary adjustments to continue working well in WordPress 5.3 or share any difficulties encountered on #48451.
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If you think you’ve found a bug, you can post to the Alpha/Beta area in the support forums. We’d love to hear from you! If you’re comfortable writing a reproducible bug report, file one on WordPress Trac, where you can also find a list of known bugs.