More playback speed options

[lukaskollmer]

Is your feature request related to a problem? Please describe. Up to 2x, playback speed can be increased in increments of 0.25, but above that it can only be increased in increments of 0.5. This seems a bit odd, since these larger playback speeds are exactly where you'd want to have the most granularity: the perceived difference between 2x and 2.5x is significantly bigger than between 1.5x and 2x, so it would be nice to have an intermediate step there.

Describe the solution you'd like The settings should allow users to enable more playback speeds, such as e.g. 2.25x. (The best solution would probably be to simply have 0.25 increments all the way up to 3x or 3.5x.)

Describe alternatives you've considered Don't do anything and keep the current behaviour. This can already be worked around via external browser extensions.

Additional context n/a