Fans will also have Diablo 4 to anticipate from haoxiuyun's blog

Fans will also have Diablo 4 to D2R Items anticipate. While the latest installment in the series will not be due until 2021 and doesn't have a release dateyet, Blizzard is constantly giving fans new information including the way Diablo 4's PvP game will work.

As it turns out, there's a good reason for this limitation. -21:9 breaks the game. Particularly, playing with an ultrawide aspect ratio lets players can be attacked from far boundaries than the game was intended to be played at. The enemies targeted by the extended Ultrawide range monitors simply do not realize they're being targeted and as a result aren't able to respond.

"To safeguard the integrity of every player's experience and create an equal playing field for all, those who have ultrawide monitors will be able to get their game's display expanded to 19:9 (the longest length of the zone of limitation in the game) with a vignette on the sides of the display," Blizzard wrote in an official forum announcement. 

"We are aware that players spent a lot of money in assembling their 21.9 hardware configurations, and having black bars could be a snare for their experience. Therefore, we'll follow these discussions and consider possible solutions that don't change the way the game is played."

Blizzard also clarified its reasoning to eliminate TCP/IP support a feature present in the first version of Diablo. The feature was removed due to it "enabling significant security issues" within buy diablo II resurrected items the game.