There are quite a few issues that make any JVM language difficult to use in scenarios like this one, in particular, lack of high quality and low overhead intero

There are quite a few issues that make any JVM language difficult to use in scenarios like this one, in particular, lack of high quality and low overhead interop and certain low level features like C structs. There is also now an option to statically link native libraries into NativeAOT binaries in .NET, and to statically link NAOT-compiled .NET libraries into existing C/C++/Rust binaries.