Community Contributions:
Made hook.Add/Remove not silently fail on arg type mismatch
Fixed table.RemoveByValue throwing an error when key is not a number
Added table.Shuffle
Added DComboBox:OnMenuOpened( menu )
New library: math.ease
Added table.MemberValuesFromKey
Added ENTITY:AddOutputFromKeyValue and ENTITY:AddOutputFromAcceptInput
Added SlowWalkSpeed to player_manager