If you’re one of the early adopters who spent four figures on a new 4K TV, get ready to cheer: Netflix now has a number of of 4K video clips for you to watch on your state-of-the-art set.

For a small number of people, Google briefly tested a change to YouTube Premium that would make 4K videos unavailable to free users. YouTube has supported 4K videos since 2010, years before the ...