Did some testing and Bowser can still do all of his stuff up until 100%. Literally, once 101% hit, up throw to up air just stopped connecting for no good reason at all whatsoever. Up throw to uptilt, fair, nair, and Bair all still work.
For Mac's changes, I don't see how the throw changes help him. The down smash thing is kinda cool since it make it harder to survive from DI-ing since the launch angle is a lot sharper.
As for Bae, does she have reliable 0-death combos? Her attacks don't do a whole lot of damage so her combos don't seem to do more than 20-40% which isn't that amazing. She also can't seem to reliable combo into kills. The only "kill combo" she has is not 100% guaranteed, being afterburner kick into sweet spot Dair spike. However, it almost seems like her knockback gets decreased when she is performing true combos. It also seems like her kill options are Bair, up air, sweet spot Dair, and her smashes. She can also jab cancel in some interesting ways. Witch twist and Afterburner Kick are pretty cool for mobility. As long as the attacks don't connect you can help bae approach and get some Bairs and Up Airs in and score some kills. It also seems that her best recovery option is witch twist -> after burner kick -> double jump -> witch twist. She can only witch twist once per jump and she can only do a second after burner kick if the first one connects to a living source. Witch time also seems to decrease knockback of her attacks. Also the salt Mael feels when I witch time his attack and smash attack him allowing myself to taunt two or three times is delicious. The salt I feel when I witch time a multihitting move... Fuck Cloud's side smash... **goes somewhere to find something cute and innocent to strangle**
Edit: oh yeah. Her up air hitbox starts from behind her, which is weird.