It does solve few of them, althought it doesn't look it will be easy to scale to more than one engine. For example the apex seals being on "the outside" instea

It does solve few of them, althought it doesn't look it will be easy to scale to more than one engine. For example the apex seals being on "the outside" instead of on the rotating assembly means they could be made easier to replace and easier to oil too. But yeah, improvements look not all that big, certainly not revolution