Release date still not confirmed.
Update: DotEmu has officially confirmed some of the below details — but the release date remains a mystery.
As the leak suggested, Streets of Rage 4 will indeed feature lots of retro content for players to unlock and enjoy, including a dozen playable fighters from all the previous games. The music from Streets of Rage 1 and 2 makes the cut as well, allowing you to play along to your favourite retro tracks. Check out the new trailer above to see all this in action.
Read the full article on pushsquare.com
Source: PushSquare: http://www.pushsquare.com/news/2020/04/streets_of_rage_4_retro_content_brings_back_classic_music_and_characters