What's Changed
- Fix up Composer files by @glennjacobs in #2129
- Add ability to filter Customers by Customer Group by @glennjacobs in #2127
- Deleting customers should detach groups, discounts and users by @ryanmitchell in #2128
- Add bulk actions to discount relation managers by @shepard153 in #2109
Full Changelog: 1.0.0-beta12...1.0.0-beta13