I broke a block when my inventory was full, but instead of it not getting picked up, it just got picked up and disappeared. I LOST A DIAMOND!
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Ticket resolved as incomplete, because no answer in a reasonable amount of time (1+ year), if it still happens, please update the ticket.
That is known for creative mode, you were in survival mode ?
Please force a crash by pressing F3 + C for 10 seconds while in-game and attach the crash report (
[minecraft/crash-reports/crash-<DATE>-client.txt|http://hopper.minecraft.net/help/finding-minecraft-data-folder]
) here.