Clojure 1.12.0-alpha1

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A new Clojure blog post/announcement has been posted!

Today we are releasing Clojure 1.12.0-alpha1 and we would encourage you to try it and give us your feedback!

Var interning policy

Interning a var in a namespace (vs aliasing) must create a stable reference that is never displaced, so that all references to an interned var get the same object. There were some cases where interned vars could get displaced and those have been tightened up in 1.12.0-alpha1. If you encounter this situation, you’ll see a warning like "REJECTED: attempt to replace interned var #'some-ns/foo with #'other-ns/foo in some-ns, you must ns-unmap first".

This addressses the root cause of an issue encountered with Clojure 1.11.0, wh...

Get the full details here: Clojure - Clojure 1.12.0-alpha1

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