This isn't too big of a problem but I found spam clicking in creative will either delete the item or duplicate it
MC-11531
Spam clicking and the item amount changing
Resolved
Duplicate
0
John Smith
(Unassigned)
Unconfirmed
Minecraft 1.5
Retrieved
Duplicate of MC-341, please use the search function to see if your bug has already been submitted. Currently over 53% of tickets are being closed as duplicate.