Yes agree on the performance feeling smoother, other than Now Brief fully working, there is also AI search in settings now and the pill shaped widgets I had have changed to rounded rectangles. Let's hope battery life has improved.
It pops up on the lock screen now bar every now and then. When it does tap it and scroll to the bottom. There's a settings icon where you can tune what it shows you. From what iv seen it's pretty useless tbh
I've got the audio eraser on my S24 after beta 2 update. Check your video files, click on the unmute button and the audio eraser pops up. Impressed with general beta usability nice update Samsung 👌