that's because of your windows settings, nothing to do with x2... your menus will also not show their shortcutsIf I open the customize dialog, the buttons (asign, remove and reset all) do at first not show their respective hotkeys
try the context menu, it has both select all and copy commandstrying to export the assignment list, is really not comfortable.
sadly i don't have the same manpower as the visual studio guys but i'm sure in time you'll realize that the current situation, albeit imperfect, is quite workable. Keyboard customization isn't something you'll be doing everyday, surely!