After 10 days of hard work and small nights, I finally got it !!
Great, thanks for the hard work :) !
The regression is actually in obtree.c, function ob_fix_shortcuts(); When loading TeraDesk, the shortcut buffer overflows because the number of keyboard shortcuts can be greater than the number of objects.
That's somehow funny - at least when looking at the amount of keyboard shortcuts that XaAES defines =). Greets, Ole