A list of issues that have not been resolved in `jackson-module-kotlin`, but have been or will be resolved in `kogera`. ## Fixed - [Update `KotlinModule` to override `AnnotationIntrospector.findCreatorAnnotation()` instead of `hasCreatorAnnotation()` · Issue \#200](https://github.com/FasterXML/jackson-module-kotlin/issues/200) - [Depending on kotlinx\.reflect\.lite instead of kotlin\.reflect · Issue \#213](https://github.com/FasterXML/jackson-module-kotlin/issues/213) - [Jackson skips isXXX properties with Int type · Issue \#337](https://github.com/FasterXML/jackson-module-kotlin/issues/337) - [Regression on data binding in 2\.11\.0 with specific field naming · Issue \#340](https://github.com/FasterXML/jackson-module-kotlin/issues/340) - [Private getter with different return type hides property · Issue \#341](https://github.com/FasterXML/jackson-module-kotlin/issues/341) - [Field names containing hyphens are truncated when serialized · Issue \#434](https://github.com/FasterXML/jackson-module-kotlin/issues/434) - [Remove \`kotlin\-reflect\` and replace it with \`kotlinx\-metadata\-jvm\` · Issue \#450](https://github.com/FasterXML/jackson-module-kotlin/issues/450) - [Field names are being lowercased automatically when the first word of the camel\-case is too short · Issue \#475](https://github.com/FasterXML/jackson-module-kotlin/issues/475) - [Failed deserialization of fields where only the first character is lowercase · Issue \#503](https://github.com/FasterXML/jackson-module-kotlin/issues/503) - [Remove deprecated method in KNAI · Issue \#508](https://github.com/FasterXML/jackson-module-kotlin/issues/508) - [ObjectMapper serialization for boolean fields named isFieldName changed between versions 2\.10\.5 and 2\.12\.4 · Issue \#552](https://github.com/FasterXML/jackson-module-kotlin/issues/552) - [Are there any special requirements to working with kotlin\.time\.Duration? · Issue \#544](https://github.com/FasterXML/jackson-module-kotlin/issues/544) - [Serialization of is\-getter with continuous capital letters · Issue \#545](https://github.com/FasterXML/jackson-module-kotlin/issues/545) - [Minor bugs in \`SimpleModule\.addSerializer\`/\`addDeserializer\` · Issue \#558](https://github.com/FasterXML/jackson-module-kotlin/issues/558) - [Regression: is\-getter detection error · Issue \#559](https://github.com/FasterXML/jackson-module-kotlin/issues/559) - [Field from a Kotlin data class gets ignored if it's prefixed with "is" but not a boolean\. · Issue \#561](https://github.com/FasterXML/jackson-module-kotlin/issues/561) - [How to properly configure an ObjectMapper to handle kotlin\-specific integer types? · Issue \#573](https://github.com/FasterXML/jackson-module-kotlin/issues/573) - [objectMapper\.writeValueAsString does not properly serialize Kotlin data class variables that begin with "is" · Issue \#575](https://github.com/FasterXML/jackson-module-kotlin/issues/575) - [Lazy load UNIT\_TYPE · Issue \#580](https://github.com/FasterXML/jackson-module-kotlin/issues/580) - [Can I deserialize a data class with an unsigned member in the constructor? · Issue \#591](https://github.com/FasterXML/jackson-module-kotlin/issues/591) - [Serialization of flatRate and isFlatRate are mixed up\. · Issue \#600](https://github.com/FasterXML/jackson-module-kotlin/issues/600) - [Parsing of UShort uses incorrect ranges · Issue \#611](https://github.com/FasterXML/jackson-module-kotlin/issues/611) - [`JsonSerializer` is enabled when the value is an Object type with non\-null value and the property definition is nullable. · Issue \#618](https://github.com/FasterXML/jackson-module-kotlin/issues/618) ## Maybe fixed(verification required) - [@JsonProperty is ignored on data class properties with names starting with "is" · Issue \#237](https://github.com/FasterXML/jackson-module-kotlin/issues/237) ## Want to fix - [Support for inline classes · Issue \#199](https://github.com/FasterXML/jackson-module-kotlin/issues/199) - [Getting MismatchedInputException instead of MissingKotlinParameterException · Issue \#234](https://github.com/FasterXML/jackson-module-kotlin/issues/234) - [\`@JsonProperty\` annotation is not working for fields with type of value class\. · Issue \#540](https://github.com/FasterXML/jackson-module-kotlin/issues/540) - [There are some problems with KNAI\.hasCreatorAnnotation · Issue \#547](https://github.com/FasterXML/jackson-module-kotlin/issues/547) - [MissingKotlinParameterException should have a reference to KCallable · Issue \#548](https://github.com/FasterXML/jackson-module-kotlin/issues/548) - [This module shouldn't bring kotlin\-reflect 1\.5 as a transitive dependency · Issue \#566](https://github.com/FasterXML/jackson-module-kotlin/issues/566) - [MissingKotlinParameterException contains non\-serializable KParameterImpl, breaking Throwable contract · Issue \#572](https://github.com/FasterXML/jackson-module-kotlin/issues/572) - [ReflectionCache takes a lot of memory · Issue \#584](https://github.com/FasterXML/jackson-module-kotlin/issues/584)