What’s New in WordPress 5.3 Beta 3? Admin UI, Login Fixes, and REST API Enhancements
WordPress 5.3 Beta 3, slated for release on November 12, 2019, brings a refreshed admin interface, fixes confusing login errors, improves image upload accessibility, updates MediaElement.js to 4.2.13, and adds several REST API enhancements, with the beta now publicly testable via the WordPress Beta Tester plugin.
WordPress 5.3 Beta 3 Overview
WordPress 5.3 Beta 3 is scheduled for public release on 12 November 2019. This beta introduces several improvements to the admin interface, login handling, media uploading, and the REST API.
Improved login experience
The previous bug that displayed an incorrect password reset link when an invalid username was entered has been fixed, providing clearer error messages.
Accessibility and MediaElement.js update
Uploading images is now more reliable, with enhanced error handling and usability. MediaElement.js has been upgraded from version 4.2.6 to 4.2.13, and its loading method has been restored to the page footer.
REST API enhancements
Beta 3 includes numerous REST API improvements, such as consistent permission checks when editing revisions and adjustments to cache handling.
How to test
The third beta is available for public testing. Users can install the WordPress Beta Tester plugin to receive the pre‑release version, or download the full Beta 3 package from the release notes.
Signed-in readers can open the original source through BestHub's protected redirect.
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