Yes. The 2->3 change was not engineered to make migration easy, and as a maintainer of a large and project that people have built on top of this is something that both current and potential users will judge you on.

Not speaking from a place of scorn, I and my team have made this same mistake, we lost both users and momentum. Big learning experience.

I'm talking about many years ago (6 more or less).

And this company has a HUGE codebase. It has its managements problems too, but the situation I'm talking about didn't make it any easier.