Playing notes with midikeyboard Musescore 4,

Hi Folks!
Why the heck has Musescore 4 left out a really essential feature, that the sounds of the program could be played with midi keyboards and the sounds would play as long as the keyboard is pressed. All sheet music programs have this feature and Musescore 4 is practically unusable for me, because I make notes with midi keyboards and I always also want to hear the sounds and their durations when I play. It is strange that this feature has been left out of the new version, when it worked well in the older version. I'm a teacher and in a teaching situation I can't use the latest version, but I use the 3.6.2 version, which works just fine.