The speed icon remains even on playback doesn't fade out. and The speed is not fixed when opening a new or next video

Thrilled to see this came to Firefox - one of the most useful YouTube addons available. Unfortunately, it often remains on the screen even with Hide/Show Playback Panel selected.

works well. If I could improve it, I'd give the user finer speed control (increments of 0.125 instead of default 0.25).

not work reset (*)