Ok, my time of humble contribution:

Inventory:

when reaching a number of items superior to limit, new items are not refused but placed within inventory in non reachable area. They can still be seen from trading interface, but no longer in regular inventory.
Of course, it happened to me whit quest items so I can no longer finish main quest...

Craft:

same bug as reported: when dismantling some item in furnace (hand axe), game crashed. Seems caused by non stackable crafted items.

Not a bug:
swapping items from one inventory to one of a companion is far from user friendly. Contextual shortcut would be welcomed (ctr + click or something similar)

I would welcome as well the opportunity to swap companiongs while inside trading interface (did not find the option if there is one)