Where to suggest ideas for new Add-ons ? ( "Moove FF Indow to second/third monitor!" )

Where to suggest an idea for a new Add-on ?

I need a button “Move FF window (with all its tabs) to second/third monitor!”
I know that on free space in the toolbar one can grab the window to slide it to the other monitors, but so often it is a REAL PAIN.

Is there a Win11 keyboard shortcut to achieve this ?

Is there a Mozilla dedicated page to publicize and thus encourage submitting ideas for new shortcuts and add-ons ?


BTW: Another such idea/need of mine is the missing option to be able to hide the upper Tab-bar THEN WHENEVER a kind of Tree Style Tab sidebar is enabled ! I tried a few methods to no avail.