You know how all technical experts in your life told you how important it was to surely expel a flash drive before ripping it out of your PC? Have you been the technical expert yourself?
Now Microsoft once confirms to everyone that – in Windows 10 – it's no longer something you need to worry about. Windows 10 has a feature called "Quick Removal" that allows you to run a drive at any time (as long as you are not actively writing files to it) and is now the default setting for each new drive you plug into Windows 10 version 1809, according to Microsoft's own support guide. Basically, "Quick Removal" keeps Windows from continuously trying to write to a flash drive, which could help if you disconnect.
Technically, Microsoft returned this contact back in October when version 1
But it is also true that Microsoft has sent mixed messages about the need to safely remove drives for a while, and the operating system still has a vestigial feature "Safely Remove Hardware and Eject Media". (I just checked my system tray and that's still there.)
So now, the process of safely ejecting a flash drive can be one of the things you tell your kids about, one of them " you remember this thing the old ones used to do? "like adjusting tracking on a VHS tape or screaming with your family not to download the phone while downloading a new web page.
Update, 6:12 ET: Clarified that you probably still won't give a USB drive if you are in the middle of writing files to it.