There are some desync issues at times whenever I enter new "instances" - fractals, cities, zones - where I can either chat or cast spells seemingly fine, but not the other. My fractal group mentioned today that I was teleporting around and hadn't clicked the "Yes" button to confirm exiting when I did on my end. After 15 minutes of DCing, everything returned to normal. In another instance, I lagged and DCed trying to carve a pumpkin in Lion's Arch, only to return immediately from the login screen with no ping issues whatsoever. My internet seems fine and nothing else went offline. I'm from SEA, if that matters. My guildie from the same country is also reporting such issues, albeit occurring more regularly during the night (GMT +8).