It is not entirely without updates, the team have been pushing bug fixes for the most obscure edge cases that almost noone is running into.

There were times, when no new features were included and polish was the main goal. I don't think it was 6 months, but their FF seriously is a recommended read. Just about how problems manifested and the approaches to solve them. Not only interesting for game developers.

Sure, but why eat into that belovedness if they don't have to?