What's in a name?

Posted Dec 7, 2025 22:59 UTC (Sun) by Cyberax (✭ supporter ✭, #52523)
In reply to: What's in a name? by alx.manpages
Parent article: Eventual Rust in CPython

> Doing it while you use it makes it less terrible, because you'll get bug reports gradually, so you boil the frog alive. If one offered the rewritten version at once, the amount of bugs would be so high that no-one would accept it.

It's more than that. For complicated products, it's almost always impossible to replicate all the behaviors without actively keeping two codebases in sync. In both directions. And this is doubly complicated if the original branch continues to get new features. Perl 5 vs. Perl 6 comes to mind as a good example.