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Jackson Release 3.2.1

Tatu Saloranta edited this page Jun 24, 2026 · 5 revisions

Patch version of 3.2, under development as of June 2026.

Following fixes will be included in this patch release.

Changes, core

N/A

  • #6022: Follow-up to #5369: apply content @JsonInclude in StringCollectionSerializer.serializeWithType
  • #6028: Verification of unwrapped fields should mention type containing unwrapped POJO
  • #6031: Getter annotated with @JsonIgnore prevents @JsonAlias from working on @JsonCreator parameter
  • #6043: FAIL_ON_UNKNOWN_PROPERTIES has no effect with JsonFormat.Shape.ARRAY when using creator-based instantiation (such as record)

Changes, data formats

  • #871: Incorrect deserialization of unwrapped Lists from "null" input (regression due to #627)

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