Comment/reply disappears when voting
I noticed this from a long time but kept ignoring until it happened again. If you start typing an anwer (discussions, either comment or reply) and decide to upvote before posting your answer, your answer is erased. Of course it is kinda nonsense to vote before posting your reply, but it's a big issue specially when you type elaborate answers.
I am using Chromium Version 33.0.1750.152.