Arelith

I and several others I've traveled with have noticed some strangeness since the last download yesterday.

Notably, for whatever reason, it'd randomly stop letting us speak aloud. Typing and sending would simply yield no echo or reply til we logged out of the game and rebooted it.

Also, we'd often see NPCs react as though PCs had interacted with them, triggering their dialogue (shopkeeps and the like), but we'd be unable to see any of these PCs at all. See Invis and Truesight did not work and we'd again, have to log out of the game entirely and log in again to see them.

And no, this isn't the "Ultravision bug" as we're very familiar with it and in most of these instances, we didn't have any such buffs cast at all.

Every time this happened was in the Hub of Arundor.

I noticed something like this, too. It was as if the ultravision bug, that is, everyone appears concealed, only visible at all in detection range, speech appearing in combat log but not chat log. With no buffs, as MNM noted. I figured it was just a hiccup but its consistent with this description, right down to the Hub. It happened when I teleported into it.

Did you rest before getting this bug?

There's an issue with the rest black-out vfx which causes this that I've reported before.