There is an active bounty (currently $35) on this bug at https://www.bountysource.com/issues/968200-support-super-number-for-launching-dockitems.
It's worth mentioning that for elementary OS, we use Super+Number for workspaces. We'd have to change that if this gets merged, or change the default keybinding for Plank on elementary OS.
There is an active bounty (currently $35) on this bug at https:/ /www.bountysour ce.com/ issues/ 968200- support- super-number- for-launching- dockitems.
It's worth mentioning that for elementary OS, we use Super+Number for workspaces. We'd have to change that if this gets merged, or change the default keybinding for Plank on elementary OS.