I ran across a negative trap (one of the ones that spawns on the ground in a dungeon, not one placed by a player) while in Ethereal Jaunt via the monk ability Empty Body, and it activated. The expected result is that I would pass over it without the trap firing. What happened instead was that the trap triggered, did 0 damage, and ended my Ethereal Jaunt spell with the yellow text "Your efforts to affect the material plane have dispelled your etherealness."
I have not tested this with player set traps, or different kinds of traps, but I assume this may be a result of the recent trap fix, causing them to interact incorrectly with Ethereal creatures.