- EntityPath now operates on an array of UTF8 strings
- EntityBuilder.Build, Lookup, ... use separator-less API
- Multiple TempAllocators can be acquired nested
- Add Identifier.RelationUnsafe and .TargetUnsafe
- Identifier(Ref).AsPair returns nullable
- Throw when adding > 31 IDs to EntityBuilder
- Add static Entity.None field, represents default value
- Add Entity.IsSome property, opposite of IsNone
- EntityBase.Add(string) now looks up symbol