You typically need to maintain much newer C++ compilers because things from the browser world can only be maintained through periodic rebases. Chances are that

You typically need to maintain much newer C++ compilers because things from the browser world can only be maintained through periodic rebases. Chances are that you end up building a contemporary Rust toolchain as well, and possibly more. (Lucky for you if you excluded anything close to browsers and GUIs from your LTS offering.)