@GSLLCNeed *official* ruling. Does Paladin3/Warlock1 (e.g.) get a feat/ability bump? I.e., is ability bump class feature? "Is ability bump class feature?"
Ability Score Improvement is, indeed, a class feature.
— Jeremy Crawford (@JeremyECrawford) March 17, 2015
@GSLLC no – all stuff is gained based on level in specific class
— Mike Mearls (@mikemearls) March 14, 2015