The third Release Candidate (RC3) for WordPress 5.9 is here!
Testing the Release
You can test the WordPress 5.9 release candidate 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: Download the beta version here (zip).
Option 3: When using WP-CLI to upgrade from Beta 1, 2, 3, 4, RC1, or RC2 on a case-insensitive filesystem, please use the following command sequence:
wp core update --version=5.9-RC3 wp core update --version=5.9-RC3 --force
How to Help
Help test WordPress 5.9 features – this post provides a guide to set up your testing environment, a list of testable features, and information about how to submit feedback you find as you go.
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If you have found a bug, you can post the details to the Alpha/Beta area in the support forums.