Im playing on server.
I've updated my test server with the last snapshot (15w38b) and when I joined, I've seen this bug :
When doing Shit+Left Clic in inventory, items disappears.
Environment
Windows 7 x64, Java 1.8.0_25 64 Bits, Intel Core i3-2100, Radeon HD 5670
Thank you for your report.
However, your ticket has been resolved as a duplicate.
This issue has been linked to the original bugreport: MC-88929. You can find or add further information on that report.
Please search before reporting any bugs, as it's likely that one exists already.