This is the initial work for the upcoming 3.0 release, which will be based on full rewrite in Rust. I've contemplated this, but I didn't have as many good reasons to justify it in the past. However, there's plenty of good reasons for me to do a Rust rewrite now. Amongst other things the rewrite will: allow easy integration of avt (which is written in Rust) to implement things like conversion to pure text, and give asciinema insight into what is actually happening in a terminal, enabling many mor...