The lack of such contributions -in general- or the speed at which they appear, is what leads me to conclude that the Ruby community is slowing down.
In this case, suddenly there's an awesome library for Ruby. Which is fantastic. An achievement to be very thankful for. But "the community" "produced" this months or years after such libs landed for Python, JS, TS, Rust, Go and so on.
Not just ML/AI, same happens for "gems" (Ruby libs) that deal with any new tech. It used to be that any SAAS or startup would offer official Rubygems from the get-go. Often before offering other platforms or languages. Today, when I want or need to integrate something, from notion to slack to cloudflare: no Ruby option or at least no official one.
This saddens me. Ruby is so much more than Rails (for which I can understand the reluctance or "hate"). Ruby is so much nicer to work in than Python and certainly than JavaScript. Ruby could easily have been what Python is today and tens of thousands of developers would be just a little happier than they are now, I am certain.