WooCommerce 3.9.1 is now available. This is a minor release that fixes a small bug causing untaxed products to show a 0% tax rate rather than no tax information at all, along with a few other minor fixes.
Please find the full list of updates below:
* Tweak - Trim whitespaces and strip slashes from MaxMind License Key. * Dev - Prevent empty notices to get displayed on frontend. * Fix - Show "-" instead of "0" when tax isn't applicable to a product. * Fix - Fixed fatal error on the thank you page if order is not specified. * REST API - Fixed - Product and variations schema to allow remove sale prices, dimensions and weight.
Download the latest release of WooCommerce here or venture over to Dashboard → Updates to update the plugin from your WordPress admin panel.
As usual, if you spot any other issues in WooCommerce core, please log them in detail on GitHub. And to disclose a security issue to our team, please submit a report via HackerOne here.