WooCommerce Core WooCommerce Core Release Notes

WooCommerce 4.4.1 fix release

This release fixes a few bugs that were introduced with 4.4.0, including compatibility with other plugins. We highly recommend upgrading to this version.

This fix release include:

  1. Removing PHP League’s dependency injection container for now. This was causing conflicts with other plugins that are using different versions of this dependency. We will add this back in a future release in a non-conflicting manner.
  2. Additional checks around a WC Query method to make sure that we return early if those methods not intended to run. This was causing a fatal with error wc_get_loop_prop method not found.
  3. Additional checks around checkout locale field rendering to make sure PayPal Checkout Plugin buttons render correctly.

Here is the changelog for this release:

* Fix - Add protection to run adjust methods only if product query. #27396
* Dev - Stripped the internals of the DI Container to address plugin dependency conflicts it caused. #27395
* Fix - Add more protection for field locale property incase it's not defined. #27405

Thanks to everyone for reporting these issues promptly and helping out with the fix release.

You can download the latest release of WooCommerce here or visit Dashboard → Updates to update the plugin from your WordPress admin screen.

As usual, if you spot any other issues in the WooCommerce core, please log them in detail on GitHub. Found a security issue? Please submit a report via HackerOne.

12 replies on “WooCommerce 4.4.1 fix release”

I was trying to add the color attribute for my products but I can’t chose attribute type. Did you move this feature somewhere else?


Hi there,

I updated to the latest WooCommerce version and receive this error:

Warning: Use of undefined constant php – assumed ‘php’ (this will throw an Error in a future version of PHP) in /home/ottoscha/public_html/ on line 57

Could you please advise?



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