WordPress 6.3 RC1

This version of the WordPress software is under development. As always with development versions, please note that alpha, beta and release candidate versions are not suitable for use on online sites. Instead, you should test RC1 on the test server and test site.

Achieving this part of the release cycle is an important milestone. While release candidates are considered ready for final release, additional testing and community use can only improve them.

Get an overview of the 6.3 release cycle, search the Make WordPress Core blog for 6.3-related posts, and see what’s new in WordPress 6.3. Save the date for a live product demo on Thursday, July 20, 2023 at 16:00 UTC (distance link). This live demo is a great opportunity to join the WordPress community to celebrate the achievements of 6.3 and this final chapter of Phase 2.

RC1 stands out

Thanks to the many WordPress beta testers, this version includes 40+ (Editor) and 80+ (Trac) updates since Beta 4. Keep up the good work WordPressers!

Notable updates in this release include:

  • WordPress database error when installing PHPUnit tests (#58673)
  • Use the function _get_block_template_file and set $area variable (#52708)
  • Theme REST API response shows if theme supports site editor (#58123)
  • Function bulk_edit_posts() requires action hook (#28112)
  • Edit an existing footnote from the formatting toolbar (#52506)
  • Templates: Add client-side pages to list of templates (#52538)
  • Trim footnote anchors from fragments (#52518)

See technical information for issues fixed with these queries since beta 4:

You can find an overview of the new features in version 6.3 in the Beta 2 highlights article.

For a compilation of the above development tips and other suggestions, check out the comprehensive WordPress 6.3 Field Guide.

Check out the new features in WordPress 6.3

Problem testing is an important part of software development and a valuable way for anyone to contribute, whether you have experience or not. It is important not only to test the upgrade process, but also to try out new features.

Download WordPress 6.3 RC1

You can test WordPress 6.3 RC1 in three ways:

  • Option 1: Install and activate the WordPress Beta Tester plugin (select the “Bleeding edge” channel and stream “Beta/RC Only”).
  • Option 2: Download the RC1 version (zip) directly.
  • Option 3: Use this WP-CLI command:
    wp core update --version=6.3-RC1

The final release is currently scheduled for August 8, 2023, which is about three weeks away. Your help in testing this version ensures that everything in this version is the best it can be.

Thanks to WordPress plugin and theme developers

Do you develop plugins and themes? Your products play an important role in extending the power and value of WordPress to all types of users around the world.

You may have already tested your latest themes and plugins with WordPress 6.3 beta. With RC1, you could complete your tests and version “Checked up to‘ in your plugin’s readme file to 6.3.

If you encounter any compatibility issues, please post detailed information in the support forums.

Help translate WordPress

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WordPress 6.3 RC 1 also marks the hard-line freeze point of the 6.3 release schedule.