WooCommerce Extra Product Options 6.5.1

Fixed compatibility with Composite Products.
Fixed some PHP warnings related to number conversion.
Fixed a price display issue with the sync associated product quantity setting.
Fixed an issue where the Prevent zero priced products setting was not working.
Fixed a calculation issue with the with Percent of the original price + options price type.
Fixed an issue where the color replacements for checkboxes were not working correctly.
Fixed a tax calculation issue when using variable products.
Fixed an issue where checkboxes on non WooCommerce pages were not being posted on the server.
Fixed several issues with the tax display and calculation.
Added reset functionality to the default plugin settings.
Added compatibility with WordPress 5.7x

Fixed compatibility with woothemes Measurement Price Calculator.
Fixed compatibility with Composite Products.
Added setting to control the preloading of the lightbox image.
Fixed an issue with associated products with using non fixed option prices.
Fixed compatibility with woothemes WooCommerce Subscriptions.
Removed the double title from section pop up.
Added setting to control the section pop button.
Fixed compatibility with Currency Switcher (realmag777).
Added setting to sync or not associated product quantities.
Fixed an issue where conditionally hidden elements did not contribute to the total price when enabled.
You can now set the date picker default value as number of days from today.
Fixed several errors with the ATUM Inventory Management plugin.
Fixed an issue with the math formula when using elements with html in labels.
Fixed an issue with the weight calculation of associated products.
The final totals box now shows regular and sale prices.

Fixed compatibility with Composite Products.
Fixed an issue with the upload element in Facebook and Instagram browsers.