However, some of the social goals have definitely been achieved. Large parts of the rewrite came from contributors who had never worked on fish before. There's been a lot of buzz in various online fora. Vibes are just as important to free/open source software as proprietary software and although there were solid technical reasons for the port, the PR outcomes are added benefits.
Finally, this is definitely not proof that you should rewrite your software in Rust. It's a data point at best, and maybe check back when the answer to "are we done" is "yes for sure". Joel Spolsky's classic article is worth a read, if you haven't, and many of his points remain accurate. We fixed some bugs as part of the port! We also definitely introduced some more, not all of which have been found.
https://www.joelonsoftware.com/2000/04/06/things-you-should-never-do-part-i/
