It's about time to simplify things (in the java universe & enterprise) and this is a good first effort, all the best!
My biggest gripe with Java has always been the tooling ecosystem, almost every java engineer I know solves this with the attitude of "just use intellij".
No. I won't, I refuse to use that, and I refuse to give a company money just to use a language as efficiently as other languages.
I am very happy to see that there's progress being made here. I wish you the best of luck!
This goes way beyond that; a whole set of dependencies that are very thoughtfully designed. If they maintain backwards compatibility, as the JDK stdlib does, for essentially ever, I might bite. I've seen a lot of these type of things come and go.