Maybe I've just been lucky but I've never had a bug with the Telltale games (PC).
I haven't played TWD S2 or TWAU, but generally the experience with TWD was okay. Seems like some users have had issues with graphical glitches, crashes, saves not carrying over, etc., but I really just wanted to make that joke! Damn it, I also spelled Lannister incorrectly.
Earlier TT games like Sam & Max didn't present any issues for me, though those were a different engine than the one TT developed for TWD.
edit - talking about PC, which seem to be the platform of most complaints