FWIW I have used git bisect with merged commits and it works just as well (unless the commit is enormous... nothing like settling on a sprawling 100 file change

FWIW I have used git bisect with merged commits and it works just as well (unless the commit is enormous... nothing like settling on a sprawling 100 file change commit as the culprit... good argument for discrete commits, but then it wouldn't matter if it were rebased or merged)