Repro using Clojure on the JVM: ``` $ lein repl ... user=> (require '[om.next :as n]) nil user=> (n/reader) ArityException Wrong number of args (0) passed to: transit/reader clojure.lang.AFn.throwArity (AFn.java:429) user=> (n/writer) ArityException Wrong number of args (0) passed to: transit/writer clojure.lang.AFn.throwArity (AFn.java:429) ``` Errors detected with [clj-kondo](https://github.com/borkdude/clj-kondo/)