native-messaging-cpp VS native-messaging-bash

Working C++ version: https://github.com/guest271314/native-messaging-cpp/blob/main/nm_cpp.cpp

C++ Native Messaging host https://github.com/guest271314/native-messaging-cpp does not have that problem.

Technically you can launch and control the Qt and C++ (and any other programming language) applications from the browser, pass input as stdin and get stdout from the native application using various means, including Native Messaging https://github.com/guest271314/native-messaging-cpp.

I use a Bash start up script every few days when the experiments I run wind up freezing tip-of-tree Chromium or Nightly or the OS itself. The script fetches lastest Firefox Nightly, Chromium Dev Channel installs libtool, libcurl4-openssl-dev, texinfo, cmake, bleachbit, espeak-ng, python3-speechd mpv, git, libssl-dev, clang (or build-essential). I use git frequently. I also wrote a Bash Native Messaging host to communicate from the browser to the local shell script that is W.I.P. https://github.com/guest271314/native-messaging-bash.

Here is a Native Messaging host written in Bash https://github.com/guest271314/native-messaging-bash that you can write stdin to and get stdout from in the browser.

This is how you install and test Native Messaging host, substitute Bash script https://github.com/guest271314/native-messaging-bash and names for for Node.js host https://github.com/guest271314/native-messaging-nodejs.

Bash: https://github.com/guest271314/native-messaging-bash/blob/main/nm_bash.sh

No folders need to be edited. It is not necessary to download a binary. A Native Messaging host using Bash https://github.com/guest271314/native-messaging-bash; I also wrote Native Messaging hosts in C, C++, and QuickJS https://github.com/GoogleChrome/developer.chrome.com/issues/3718#issuecomment-1250341188; others have written Native Messaging hosts in PHP, Python, etc. You should be able to use C# or whatever is the shell on *indows to achieve the same result.