jackson-module-kotlin 2.16.0-rc1

was released some time ago. It includes improved deserialization performance and several feature additions. Please give it a try! https://github.com/FasterXML/jackson-module-kotlin/blob/fc47a94e81586990dd19d05087580652c14b7f7a/release-notes/VERSION-2.x#L19-L34 https://mvnrepository.com/artifact/com.fasterxml.jackson.module/jackson-module-kotlin/2.16.0-rc1