While you are facing forward and a block is perfectly in front of you, you cannot jump if you press the forward button.
Environment
Singleplayer world. Windows 8.1.
Java 1.8.1_51 64bit
Linked issues
Attachments
Comments 2
duplicate of MC-142913
MC-142927
Player is unable to jump
Resolved
Duplicate
0
Same of MC-142926. This issue wasn't present while i was uploading this one. Sorry.