This might be a weird explanation, but maybe they just have fewer bugs to fix? Correct me if I’m wrong, but “end-of-life” in this context just means that it’ll

This might be a weird explanation, but maybe they just have fewer bugs to fix? Correct me if I’m wrong, but “end-of-life” in this context just means that it’ll stop receiving active development and bug fixes. For a mostly-CSS framework, I wonder how much the average Bootstrap 4 user needs more development.