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Some people deal with confidential files and use Dropbox for these. It would be very useful to allow people the option to clear their "Recent" files at will to allow more privacy and discretion.
I can only think that Dropbox staff are being very dense about this. This feature has been recommended over and over and over again since at least 2015. All you have to do is search for "recents" or "hide" and then take a moment to look through: what's happening is that for over five years now, with frustration mounting to righteous rage, many many users have asked for you to introduce a "clear" function, or the ability to disable the "recents" function. People introduce it as if it were a new thread, so you "only" see 25 votes in this particular thread. But are you checking to see how many threads have been started on this same topic? Have you noticed the extremity of people's feelings about having their confidential files no further from everyone's eyes than the enticing "unhide" button on the first page?
Instead of waiting for 10,000 people to SCREAM about this or quit Dropbox, why not just think for a moment? In professional presentations, I frequently need to bring up material from my Dropbox. But it's not safe to do that without a ridiculous workaround: I must always DISABLE the projector until I have safely gotten past that accursed "Recents" display and into the folders from which I want to show this or that document.
The final absurdity came today, when I implemented your "Vault" feature, a long overdue feature. Unfortunately, since it creates a file called "VAULT" in the top menu, when I project from my computer everyone's attention will go to the fact that I have "something to hide." Isn't Dropbox trying to accommodate genuine working professionals at all? But it gets worse. After sealing the vault, I clicked back to the home screen, and lo and behold, a whole list of supposedly locked files are STILL listed one by one, with titles on display, in the "Recents" list. What's the point of a vault made of glass when the point is for people not even to see that you have protected documents? The Dropbox team really did not have their thinking caps all the way on, and again, at least since 2015 this request has come to you under a dozen headings. How hard could it be? Sheesh.