Test jQuery Updates


Test jQuery Updates is an official plugin by the WordPress team that is intended for testing of jQuery and jQuery UI before updating them in WordPress. It is not intended for use in production.

Version 3.0 of the plugin is intended for testing of jQuery 4.0.0-beta in WordPress 6.5, 6.6, and 6.7.

If you find a bug in a jQuery related script please report it.

Default settings

When activated this plugin will replace the bundled version of jQuery with the version from this plugin. There are no other settings at this time. To stop testing please deactivate the plugin.



woosun 26, 2020 1 reply
Couldn’t figure out how to use this plugin. No information on this site.
abɔxwisun 8, 2020
Thanks! Settings that worked for me is jQuery Migrate to Eable, jQuery version to 3.5.1 , jQuery UI version to 1.12.1
Read all 6 reviews

Contributors & Developers

“Test jQuery Updates” is open source software. The following people have contributed to this plugin.


“Test jQuery Updates” has been translated into 19 locales. Thank you to the translators for their contributions.

Translate “Test jQuery Updates” into your language.

Interested in development?

Browse the code, check out the SVN repository, or subscribe to the development log by RSS.



  • Update for testing jQuery 4.0.0-beta in WordPress 6.5, 6.6, and 6.7. Includes jQuery Migrate 3.5.0.


  • Update for use in WordPress 5.6.
  • Remove testing of different versions of jQuery UI.
  • Change the default for jQuery Migrate to “enabled”.


  • Update jQuery Migrate to 3.3.2.
  • Use the non-minified, debug versions of jQuery 3.5.1 and jQuery Migrate to 3.3.2.


Update for compatibility with WordPress 5.5-beta1 and newer, allows re-enabling of jQuery Migrate 1.4.1.


Initial release.