Comment # 2 on bug 949808 from Andrei Borzenkov

Created attachment 749265 [details]
Authentication request to mount new loop partition.

(In reply to Stefan Seyfried from comment #1)
> Tried this right now with a Leap-42.3 iso (partitioned hybrid) and it does
> not show up in thunar nor get mounted automatically.
> 
> Is this still happening for you?

yes, on Leap 42.3.