Images with “Load in 4K” in the caption have been seen on X (formerly Twitter) for the last few days, and many users want to know the explanation behind them. Since last week, users have been ...

A trend on X, formerly Twitter, encourages users to tap, hold and download photos in 4K resolution. The feature was first introduced in 2021.

Jason X on 4K UHD is now available to preorder for $28.99, 42% off its original list price of $49.95. It's set to release on May 20.

Until now, paying subscribers could upload 1080p videos up to 8GB in size and roughly three hours in length, according to X’s support page. But with support for 4K resolution uploads incoming ...