I just tested and for me they seem to be remembered for my Downloads folder. Weirdly, at first it didn't seem to be remembered, but then I pressed ⌘+J to look a

I just tested and for me they seem to be remembered for my Downloads folder. Weirdly, at first it didn't seem to be remembered, but then I pressed ⌘+J to look at the view settings, and now when I change a column width it seems to be remembered...