Updates of WooCommerce are common phenomena. It is required to Update WooCommerce to meet with the required changes. When you update WooCommerce, it is expected to be better than the previous version and should add more features to it. Once you decide on WooCommerce Upgrade to any other version you have to make sure the theme you have installed will be compatible with the new version. The same thing is with other plugins you use. You can update WooCommerce to the latest version both manually and automatically. If you have it at automation, you can expect smooth automatic updates.