When cinematic mode (also known as F8 mode) hasn't got a key assignt to it, and you press the mute button on your keyboard (or via mouse, you can assign media buttons on your thumbuttons in the drivers) then cinematic mode will be activated in creative and survival in any world.
Linked issues
is duplicated by 17
MC-30948
I frequently get the effect of pressing F8 in the game, even though I didn't press F8.
Resolved
MC-30957
hot key issues
Resolved
MC-31155
Cinematic camera default button is play/pause media button
Resolved
MC-31304
Feels like being on ice - view is slow and moves in every direction
Resolved
MC-31347
When I turn down the volume using the volume keys, the mouse moves a lot slower
Resolved
12 more links
Comments 4
Easy fix for users: Bind the camera to f8.
Easy fix for Mojang: Bind the camera to f8.
Its not that hard; you can ignore the underlying problem (unrecognized keys == none), and just fix all instances.
Confirmed.