8.2
Merge branch '6.4' into 7.4
fix initializing key for reachable roles
[Security] Unset token roles when serializing it and user implements EquatableInterface
[Security] Add ability for voters to explain their vote
[Security] Make RoleHierarchy::getReachableRoleNames() return a list again
[Security] Add support for enums in `SignatureHasher::computeSignatureHash()`
Merge branch '7.4' into 8.0
[Validator] Make constraint validators reentrant instead of being stateful