- Remove C emission, debugging options, and automatic backend fallback.
- Complete LLVM lowering and native bootstrap coverage across supported targets.
- Link executables and libraries with precompiled C runtime packs, including iOS and Android.
- Share program creation, checker queries, virtual files, and snapshot lifetimes between Node and native compiler clients.
- Preserve typed async-context results and opaque compiler objects through checked native boundaries.
- Support native realpath and Unicode Windows filesystem operations needed by the compiler host.