If you sneak and travel to the corner or edge of a slime block and bounce, you do not get the 'trampoline' effect, neither do you bounce from a height. In survival, you also take damage.
MC-78171
Cant bounce on edge of slime block.
Resolved
Duplicate
0
Oscar Hughes
(Unassigned)
Unconfirmed
Minecraft 1.8.1
Retrieved
Thank you for your report.
However, your ticket has been resolved as a duplicate.
This issue has been linked to the original bugreport: MC-44381. You can find or add further information on that report.
Please search before reporting any bugs, as it's likely that one exists already.