CoreShop - Pimcore enhanced eCommerce
Full Changelog: https://github.com/coreshop/CoreShop/compare/3.2.0-beta.1...3.2.0-beta.2
Full Changelog: https://github.com/coreshop/CoreShop/compare/3.1.3...3.1.4
CoreShop 4.0.0 is the same as 3.2.0 will be, it contains all bug-fixes and feature from 3.1 and 3.2
Full Changelog: https://github.com/coreshop/CoreShop/compare/3.1.1...3.1.2
CoreShop 4.0.0 is the same as 3.1.0, but with Pimcore 11 compatibility. Updating CoreShop therefore is quite easy. Since Symfony now doesn't have a full container anymore, we use Service Containers now for our Controllers. So your overwritten Controllers probably need changes.