English CD version of the game
After Miranda was captured, I noticed that if I readied an object as Quinn (e.g. by clicking on his scanner or blaster or whatever), and then switched to Miranda, Quinn's object was still active and could be used by her.
I wasn't able to break the game this way, but it seems like the kind of thing that could cause trouble at some point.
Fixed in e59c652b4bb24b353ab9e867188de8c675045569
Seems to work now.
This bug seems to be back again. To repeat, all I had to do was:
1) Start the game afresh. (I hope you like the intro.)
2) Change to Seeker.
3) Click on Seeker's stunner.
4) Change back to Quinn.
Quinn can now use the stunner (though it's not, of course, in his inventory).
Fixed regression in a41db1939cdff632d16aa3849e23b844c46bafef
Seems to work again now.