Is your feature request related to a problem? Please describe.
Its annoying that so much space is wasted in comparison to the default explorer
Describe the solution you'd like
An option to reduce the font size
Describe alternatives you've considered
Changing the windows scale seems not to work on a per-app basis on UWP apps
Additional context
comparison screenshot:
left the old explorer showing 27 items, right the files-uwp showing 16 on the same window size.

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Some of the work that is currently in the proposal drafting stage should pave the way for density adjustments to the List control. We adjusted the default font size several months ago, but recognize the padding isn't as suitable as it could be for some users.
Not needed. Already the size is so small and reducing it will make it unusable with touch. The File Explorer is an old application designed when you only used your PC on a desk with a mouse so that's why it's too small. This application should also work with touch and having it too small will be bad.
@Jaiganeshkumaran I disagree that it's not needed. As a primarily desktop user, I think that there should be an option to have a "compact" mode. By default, it could use the more spaced out mode, but I'd like to see the option available at least.
@generalguy41 I'm a desktop user too and don't have a touch screen but it shouldn't be that small
@Jaiganeshkumaran Agree to disagree, I guess. I would much rather have an option to show more items in the window and have a more compact view. Ultimately the decision isn't up to me, but I'd seriously hope it would be taken it into consideration for more "power users" I guess.
Searched as I am having this issue as well. I find that from a productivity standpoint that the old explorer shows you so much more information at a glance. For me at least an option to tweak this to my liking would be fantastic. Either font settings and/or the padding.
Most helpful comment
@Jaiganeshkumaran I disagree that it's not needed. As a primarily desktop user, I think that there should be an option to have a "compact" mode. By default, it could use the more spaced out mode, but I'd like to see the option available at least.