XnView Software

After some extra research I solved the issue.
I'm using endeavouros (Arch based), and I was using this aur package https://aur.archlinux.org/packages/xnviewmp
I switched to the other one available https://aur.archlinux.org/packages/xnviewmp-system-libs and now the enter key works.
I even went back ...

Did some trials, in the browser:
Enter on a folder does nothing.
Enter on a image does nothing.
Alt+enter "show properties" does nothing.
If I hit F2 to rename enter does work to finish the rename operation.

I'm using the default shortcuts and tried every combination for enter in the "switching ...

Using the mouse double clicking a folder, while in the browser, navigates inside the folder, how can this be done with only keyboard?
Maybe I'm missing something, maybe not, but it's weird because backspace goes "back/up" the folder but enter does nothing.
I'm trying to do this in "XnView MP Linux ...