It's almost like you are thinking of it as an expiration date and the software has spoiled.
Rust and other compiled languages that have backward and forward compatibility in mind do much better.
Else, ask for a new maintainer. While code can be considered done (especially if no new features are added), it should never go unmaintained. If it's actually used a lot of course.
There might be a maintained fork/separate project that does what I want that I would like to find instead. Or maybe I was just searching to save myself 30 minutes on a one time task and I'm not up for adopting an abandoned project.