Hidden sidebar can't be recovered after restarting the frontend
Retro-Gaming Multi-Emulator Frontend. Frontend-of-Frontends
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butter100fly
It's possible to hide the left sidebar by dragging it to the left (as shown in the gif) and then make it appear again as long as the program is open. However, if you restart QuickPlay, you won't be able to make the sidebar appear again anymore. Dragging doesn't do anything.
I had to open my settings file and manually change this value to restore it:
[Layout-0] DirHorz=5