does shadow-cljs no longer support warnings in the compiler opts?

:builds {:dev {:compiler {:optimizations :none
                          :warnings {:redef false}}}

17:19:46 cljs.1 | ------ WARNING #1 - :redef -----------------------------------------------------
17:19:46 cljs.1 |  Resource: no/en/core.cljc:131:1
17:19:46 cljs.1 | --------------------------------------------------------------------------------
17:19:46 cljs.1 |  128 |   [s]
17:19:46 cljs.1 |  129 |   (parse-number s #(#?(:clj Integer/parseInt :cljs js/parseInt) %1)))
17:19:46 cljs.1 |  130 |
17:19:46 cljs.1 |  131 | (defn parse-long
17:19:46 cljs.1 | -------^------------------------------------------------------------------------
17:19:46 cljs.1 |  parse-long already refers to: cljs.core/parse-long being replaced by: no.en.core/parse-long
17:19:46 cljs.1 | --------------------------------------------------------------------------------
17:19:46 cljs.1 |  132 |   "Parse `s` as a long number."
17:19:46 cljs.1 |  133 |   [s]
17:19:46 cljs.1 |  134 |   (parse-number s #(#?(:clj Long/parseLong :cljs js/parseInt) %1)))
17:19:46 cljs.1 |  135 |
17:19:46 cljs.1 | --------------------------------------------------------------------------------