The statement is untrue. For example, ClickHouse is in C++, and it has thousands of contributors with hundreds of external contributors every month.
The statement is untrue. For example, ClickHouse is in C++, and it has thousands of contributors with hundreds of external contributors every month.
I think it's reasonably common for accepting external contributions to an open-source project to be more trouble than it's worth, just because most programmers aren't very good.