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WordPress 5.9 Beta 3 is now available for testing!

This software version is still under development. Please do not run this software on a production site; install it on a test site, where you can try out the newest features and get a feel for how they will work on your site.

You can test the WordPress 5.9 Beta 3 in three ways:

Option 1: Install and activate the WordPress Beta Tester plugin (select the “Bleeding edge” channel and “Beta/RC Only” stream).

Option 2: Direct download the beta version.

Option 3: If you use WP-CLI to upgrade from Beta 1 or Beta 2 to Beta 3 on a case-insensitive filesystem, please use the following command sequence:

Command One:

wp core update –version=5.9-beta2

Command Two:

wp core update –version=5.9-beta3 –force

The current target for the final release of 5.9 is January 25, 2022, which gets closer every minute. Your help testing this beta is vital: the more testing that happens, the more stable the release, and the better the experience for users and developers—and the entire WordPress community.

Some Highlights

Since Beta 2, 14 bugs have been fixed. Here are a few of the changes you will find in Beta 3:

Editor: Add FSE infrastructure from Gutenberg plugin into Core (#54335).Formatting: Allow PDFs to embedded as objects (#54261)Language switcher on the login screen (#43700)REST API: Add navigation areas REST API endpoint from Gutenberg plugin (#54393)Themes: Live Preview button bug (#54578)

How You Can Help

Do some testing!

Testing for bugs is vital for polishing the release in the beta stage and a great way to contribute. 

If you think you’ve found a bug, please post to the Alpha/Beta area in the support forums. If you’re comfortable writing a reproducible bug report, file one on WordPress Trac. That’s also where you can find a list of known bugs.

For even more ways to test, you can also refer to this official Full Site Editing post from @annezazu.

Got questions? Here are some answers

In the coming weeks, follow the Make WordPress Core blog for 5.9-related developer notes that cover these items in detail. So far, contributors have fixed 316 tickets in WordPress 5.9, including 100 new features and enhancements. More bug fixes are on the way with your help through testing.

Props to @psykro@estelaris@hellofromtonya, @marybaum@webcommsat@cbringmann, @costdev, and @audrasjb for contributions to this post.

Filed under #release, #5.9, #beta