F3 + c = trigger manual crash (hold for min 6 secconds then release)

    F3 + s = reload sound engine

    F3 + t = refresh textures (might be handy for texturepack artists?)

    F3 + f = decrease render distance

    F3 + shift + f = increase render distance (might not work on mac)

    F3 + a = refresh world renderer (reload chunks)

    F3 + h = toggle advanced item tooltips (item ids and dammage values)

    F3 + b = toggle hitbox renderering

    F3 + p = toggle pause on lost focus

    F1 = toggle gui

    F2 = capture a screenshot

    F3 = show debug info

    shift + F3 = show debug info including the profiler

    F5 = toggle camera view

    F7 (hold) = move the 'display' logic to 'root' (that's all the sence I can make it)

    F8 = toggle smooth camera

    1 trough 9 = select inventory slot

    1 trough 9 = move trough the profiler (debug screen)

    0 = move up a level in the profiler (debug screen)

    esc = open game menu