Hello friends. There have been a number of WooCommerce plugin and theme updates that patch issues related to the WooCommerce 3.0 upgrade and all of them are now available for download:

• WooCommerce Subscriptions Version 2.2.6, Released on 2017-05-05
• WooCommerce Sagepay Form Gateway Version 3.7.5, Released on 2017-05-04
• WooCommerce RoyalMail Shipping Version 2.5.2, Released on 2017-05-05
• WooCommerce Mix and Match Products Version 1.2.3, Released on 2017-05-05

Existing members, you can find these updates by logging into your account and checking the downloads area.