https://andreyor.st/posts/2026-04-07-clojure-on-fennel-part-one-persistent-data-structures someone is writing a clojure-to-fennel compiler, with immutable data structure support. fennel is a lot of fun but the mutability has rankled me, so i'm excited to see this project flourish.
hmmm... this looks like another Clojure dialect! I'll add it to https://github.com/clj-easy/clojure-dialects-docs