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Jackson Release 2.18.3

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Tatu Saloranta edited this page May 13, 2025 · 21 revisions

Patch version of 2.18, released 28-Feb-2025.

Following fixes are included in this patch release.

Changes, core

Streaming

  • #1391: Fix issue where the parser can read back old number state when parsing later numbers
  • #1397: Jackson changes additional values to infinite in case of special JSON structures and existing infinite values
  • #1398: Fix issue that feature COMBINE_UNICODE_SURROGATES_IN_UTF8 doesn't work when custom CharacterEscapes are used

Databind

  • #4444: The KeyDeserializer specified in the class with @JsonDeserialize(keyUsing = ...) is overwritten by the KeyDeserializer specified in the ObjectMapper.
  • #4827: Subclassed Throwable deserialization fails since v2.18.0 - no creator index for property 'cause'
  • #4844: Fix wrapped array handling wrt null by StdDeserializer
  • #4848: Avoid type pollution in StringCollectionDeserializer
  • #4860: ConstructorDetector.USE_PROPERTIES_BASED does not work with multiple constructors since 2.18
  • #4878: When serializing a Map via Converter(StdDelegatingSerializer), a NullPointerException is thrown due to missing key serializer
  • #4908: Deserialization behavior change with @JsonCreator and @ConstructorProperties between 2.17 and 2.18
  • #4917: BigDecimal deserialization issue when using @JsonCreator
  • #4920: Creator properties are ignored on abstract types when collecting bean properties, breaking AsExternalTypeDeserializer
  • #4922: Failing @JsonMerge with a custom Map
  • #4932: Conversion of MissingNode throws JsonProcessingException

Changes, data formats

Smile

  • #541: SmileParser.getValueAsString() FIELD_NAME bug (same for CBOR, Protobuf)

Changes, data types

Java 8 Date/Time

  • #333: ZonedDateTime serialization with @JsonFormat.pattern never uses it while WRITE_DATES_WITH_ZONE_ID enabled

Changes, Other modules

JSON Schema

  • #161: Jakarta does not have jakarta.validation as module-info dependency

Changes, JVM Languages

Kotlin

  • #904: Fixed a problem where context was not being propagated properly when serializing an unboxed value of value class or a value retrieved with JsonValue. This fixes a problem where an error would occur when serializing a value class that wraps a Map
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