Clojure 1.13.0-alpha9

Clojure 1.13.0-alpha9 is now available! Find download and usage information on the Downloads page.

• Dropped :defaults directive - use cases better handled by others now
• CLJ-2983 Removed :defaults tests
• Faster transient propagation of metadata in into and update-vals
• Revise impl and inline of meta? via RT
• CLJ-2978 Catch protocol extension of non-protocol methods
• CLJ-2982 TransientArrayMap should expand to same threshold as PersistentArrayMap
• Favor class files when reproducible build sets class and source timestamps the same
• CLJ-2984 Set file timestamps to last git commit time

Try it out

Update your deps.edn :deps with:

org.clojure/clojure {:mvn/version "1.13.0-alpha9"}

Start a REPL with the Clojure CLI (any version) with:

clj -Sdeps '{:deps {org.clojure/clojure {:mvn/version "1.13.0-alpha9"}}}'