Dumb question: which appears most promising? Deno, Just-JS or Bun?
(Genuine question. Not trolling)
My on-the-sidelines take is:
Bun seems most promising to me, because it's chasing amazing performance _and_ widespread adoption.
Like Just-JS has amazing performance [1], but the author is "just" (a very amazing/talented) benchmark hacker and not necessarily trying/wanting to put in the effort to have "a node replacement" and/or extend his Techempower-specific optimizations into APIs/libraries that would affect the performance day-to-day business apps (which I don't blame him for).
Deno is kinda :shrug: b/c its original "great security" pitch doesn't really matter to anyone who runs in containers.