I made a GTK based app on MSYS2 on Windows, while debug mode on MSYS2, the link in textview, button and menu are all OK. While pack and run it out of MSYS2, running like normal, but the links couldn’t open with default browser, why?
Did you get a message that said, “Failed to execute helper program”? If yes, then two programs are missing from the pack. You must copy "/mingw64/bin/gspawn-win64-helper*.exe".