Added reference to EnumInterface BCs in v4

Author: fulopattila122

Changelog.md

@@ -7,7 +7,7 @@
 - Dropped PHP 8.0 support
 - Dropped Enum v3 Support
 - Changed minimum Enum version to v4.1
-- Changed all enum interfaces to extend the root `EnumInterface`
+- BC: Changed all enum interfaces to extend the root `EnumInterface`
 - BC: added the `iso2Code()` and the `getName()` methods to the `Country` interface
 - Added firstname, lastname, company_name, email, phone, address2, access_code, tax_nr and registration_nr fields to the Address table/model
 

docs/upgrade.md

@@ -8,6 +8,14 @@ The new minimal requirements are:
 - Laravel 10
 - Enum 4.1
 
+### Enum Interface
+
+The `AddressType`, `Gender`, `NameOrder`, `ProvinceType`, `ZoneMemberType`, and `ZoneScope`
+interfaces now extend the v4.1 `EnumInterface`, meaning they have more methods than before.
+
+It's almost certain that you don't need to do anything with it, because the base Enum class
+implements those methods anyway. Regardless of that, it's a breaking change.
+
 ## 1.x -> 2.x
 
 The new minimal requirements are: