Hi Paul,

re:
> - a simple possibility to deselect / select all snap modes (no deselecting the snap mode itself). So
> you can in some cases select a distinct snapmode quickly. There could be a control box for all/none
> in the snap window and also a scripting possibility for that.

You can do this one currently by doing a right-click on the snap mode. If you right-click on a snap in that menu, it will deselect all the other snaps and leave just that one selected. Later on if you right-click on a snap that is the only active one it will turn all of them back on.

- Michael