It could be that dynamic languages have a lower barrier of entry, which encourages many more people to fork the code, find bugs, and make pull requests. It's ea

It could be that dynamic languages have a lower barrier of entry, which encourages many more people to fork the code, find bugs, and make pull requests. It's easy for a PHP guy to find and report bugs in a JavaScript project. It's not so easy for a JavaScript guy to find bugs in a C++ project.