If your product relies on any compilers/tools which are themselves updated, then at least your CI needs to be updated regularly enough. May be in your case, tha

If your product relies on any compilers/tools which are themselves updated, then at least your CI needs to be updated regularly enough. May be in your case, that was the case, but if not, then that would just to me that the product is not being maintained, even if the product is feature complete.