When you try to pick up a AcaciaLeavesBlock in the Creavtivemode you will get 0 of them.
Environment
Windows 7 Pro, Java 8 [newest Version.]
When you try to pick up a AcaciaLeavesBlock in the Creavtivemode you will get 0 of them.
Windows 7 Pro, Java 8 [newest Version.]
This bug report is a duplicate of MC-86391. If you have not, please search before reporting issues to see if your issue has been reported already.