I don't know if this is just for bukkit but whenever i try to move my items using 1.8 any version i just cant... I can't grab a block from creative like you should be able too i have to hold my mouse left key to my inventory and this is for every server i've been on so far no matter what version just if it allows 1.8 i cant do anything. Im 90% sure im the only person with this because i cant even move backwards just can hit place drop but comes back and use w a d.