Hello,
this may be a problem with my computer only so first I'd like to ask someone to check on his/her machine.
"Preferneces ->File Display Mode -> Display thumbnails for folders" must be ticked.
Now click on Adjust folder thumbnail settings
In the new dialog untick display folder frame
After this operation the actual folder gets updated accordingly (means that borders are gone) but whenever I enter one of subfolders (containing pictures, and still in thumbnail mode) - all thumbs are gone. Refreshing doesn't help, toggling between display modes doesn't help - every mode shows default icons only - no thumbnails. Going to another folder doesn't help.
The only solution is to close the lister and open the new one - then all thumbs are back.
That also happens when ticking display folder frame (not only unticking).
I have the latest beta.
Thanks