Baird Maritime has a review of a new 45 foot self-righting patrol and SAR boat.
It is reportedly considerably faster than the USCG 47 foot motor lifeboat, has a longer range and an active stabilization system. I does not seem to have the space for survivors the 47 foot MLB provides nor the step-down cut the side of the hull that facilitates pulling survivors out the water. It does have a platform at the stern.
You can see the builder’s story about this boat, including a video, here.