I've noticed a lot of different bugs in X and Y, and I figured I'd like to share and discuss them.
So far we have:
-Lumiose save bug (thankfully being fixed as we speak)
-A person on the PokEdit boards claims a younger sibling never received his fossil from Glitter Cave (American Copy probably)
-My younger brother experienced a bug in which either a status move or a ghost-type move wouldn't affect his inkay (can't remember which one) (Australian Copy)
-Freezing on Route 5 (US) (Possibly damaged copy)
-A Flabebe with a Floette's cry (Aus)
-Getting stuck in static Lumiose NPC's (Fixed by pausing and un-pausing)
-Pokemon using struggle when locked into surf by encore
-Round is described as a Normal-type move when it is actually Fairy-type. (International)
-Freezing in Lumiose Gym.
I'll add to this list if you tell me about it, hopefully we can get these fixed.