Comment by imiric
When a project has thousands of users it's irresponsible to use it as a testing playground. If there is a legitimate benefit from rewriting something in another language, which is rare to begin with, the decision should be researched thoroughly and committed to. Doing it this often signals that authors easily latch on to shiny new tech, and value their experience over their users'. When the next modern language comes along, will we see a similar post explaining why they chose to abandon Rust?
I value both my experience and the users, and every asciinema release was backward compatible with the earlier ones (with few exceptions, where language change was not a factor), changing nothing in terms of UI/UX/API. The language is an implementation detail.
What's your problem?