Doesn't seem an Inkscape-specific issue:
The same behavior (in fullscreen mode <F11>, the menus are accessible via keyboard, without having the menu bar itself revealed) can be reproduced e.g. with GIMP 2.8.2 on Ubuntu 12.10 (up-to-date Beta 2 in VM).
Doesn't seem an Inkscape-specific issue:
The same behavior (in fullscreen mode <F11>, the menus are accessible via keyboard, without having the menu bar itself revealed) can be reproduced e.g. with GIMP 2.8.2 on Ubuntu 12.10 (up-to-date Beta 2 in VM).