add note

Author: rolang

build.sbt

@@ -46,6 +46,7 @@ val zioVersion = "2.1.22"
 
 val zioJsonVersion = "0.7.45"
 
+// NOTE: update from 2.38.3 to 2.38.4 causes compilation error with some recursive types on codec derivation
 val jsoniterVersion = "2.38.2"
 
 val munitVersion = "1.2.1"