From the facebook group for those who dont do the FB thing:
Inversions are Gone
Double Shots are Gone
Bag Expansion is Gone
Throwing Underground is Gone
Throwing through the mountain is Gone
Rollers will now be a thing
Rotate the World is still there, by design
Your aim is now limited to inside the first aim circle
You can now scroll through scores after your Friendly Round is done
Your unique "Player ID" will appear on your profile in case some specific individual troubleshooting is required
Putting mechanics will change a bit. You will now need to pull the disc back before you can do your forward putt motion.
The current Beta (it's version .806 for sake of reference) does not have the new Courses on it. I don't know when those will appear.
I'm sure there are things that will change between now and when the Beta rolls into production. So, if you have questions or want my initial impressions on things, do realize things not only might, but should, change.