Hello Nat,
I agree the text of the option could be made better. However, the formilation you suggest make it sound as if you cannot resize maximized window without checking the option, which is not quite true: you can use the window menu, shortcuts, in case of quick-tile you can drag the window away from the corner, and then of course you can unmaximize and resize.
The other thing is that "display window borders" is confusing since in breeze (as in oxygen), window borders are invisible.
Maybe better something like
"Allow resizing maximized windows from window borders" ?

Or "Add extra space to resize maximized windows from the sides" ?

That still leaves the ambiguity that you noticed that when the selected window border size (for unmaximized windows) is either "no border" or "no side borders", nothing is changed on the side and bottom of maximized windows, whether the option is checked or not.
One could either: update the title to "Allow resizing maximized windows from window borders (if any)" or add a more detailed tooltip/what's this to the option. (tooltip would be better, what's this being mostly deprecated/inexistant in kde)
What do you think ?

Hugo

Those are good ideas, @hpereiradacosta. How about "Allow resizing maximized windows from window edges"? This one doesn't have a problem if you have No Borders set.

Side note: feel free to push the same thing in the oxygen repo.

Sounds good!

Done, thanks!

Looks good!