Multitasking and Split screen improved in this version, now you can drag 2nd application to left/right edge of the screen and add it the split view with one step only, in previous version you need to drag it to overlap the current app first, then drag it to the edge for split screen.
Animation is snappier in this version than the last one.
Youtube app top bar was not visible in the first beta, this now has been fixed in this beta.
Music widget was buggy in the first beta, now it has been improved and working as expected.
Airpods are working perfect with this version.
I wasn't able to see and manage files (On My iPad) from Files app on the first beta, but now this tab is working.
I discovered these fixes and improvements only after 10 minutes of using the new version. if they continue to do so much fixes on every new update we will end up having a great & stable final release.