Am I the only one who misses when you could choose ANY app to be in split screen mode, not just the ones currently in your doc?

Original iPad pro 12.9 user with a brydge keyboard. I don’t mind the changes to the gestures so much—not that I’m in love, but i’ve adapted. What kills me is how much time I waste trying to find the app I want to share the split screen.
If there is any easier way to do this please let me know. You used to be able to scroll through all app while in split screen. Now you can only drag from whats in you doc. So I’m left to exit the common app I’m using, open the less used app, gesture the finicky dock a few time until it works and open split screen. Then navigate the original app back into the dominate position.
All typed out it doesn’t seem like the end of the world, but it was so much easier before when i could scroll through all my apps whenever I wanted while in split screen regardless of the last time it was open. Honestly I’ve been waiting for them to realize the huge mistake they made and bring it back.
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