2.1.0

Added

• TryGetNewValue and TryGetOldValue methods for CollectionChangedArgs<KeyValuePair<TKey, TValue>>
• OnPreStart, OnPreDisabled, and OnDisabled lifetime methods to RuntimeScriptableObject
• ToNativeArray(Allocator), ToNativeArray(AllocatorHandle), and ToNativeList(AllocatorHandle) extension methods to
  applicable scriptable lists
• (Generator) The ability to set custom callback names for generated methods using the CallbackName property on the generate attributes

Changed

• OnExitPlayMode is now obsolete. Use OnDisabled instead.
• The package no longer requires UI Elements module, but will use it if it's available
• Moved a few common base list methods to base ScriptableList class
• Moved a few common base dictionary methods to base ScriptableDictionary class

Fixed

• No error is thrown when trying to use a read-only list as a destination list in ConvertAll, FindAll, GetRange, and Slice methods
• Some properties not being marked as ReadOnly when generating property bags
• Scriptable value drawers not supporting prefab overrides in IMGUI mode
• (Generator) Fields marked with generate attributes and starting with "on" generating duplicate "On" prefix in generated methods
• (Generator) Duplicate subscribed callbacks mask names when inheriting from a base class with generated callbacks