As well as several internal tools. It mostly works fine. Graal is actually the default JDK on my development machine.
If there's one thing I'd fix, it's the ability to bake dylibs into the single binaries. E.g. if you want good elliptic curve TLS, you need sunec.so/dylib/dll, and part of the point for native-image for us is the ability to ship a single binary.