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Jackson Release 3.0.4

Tatu Saloranta edited this page Jan 10, 2026 · 5 revisions

Patch version of 3.0, under development as of Dec, 2025.

Following fixes will be included in this patch release.

Changes, core

None so far

  • #1288: (regression in 3.0.0) Type id not exposed for JsonTypeInfo.As.EXTERNAL_PROPERTY even when visible set to true
  • #2580: Regression with External type id / Build deserialization in 3.0
  • #4742: (regression in 3.0.0) Deserialization with Builder, External type id, @JsonCreator failing
  • #5481: JsonMapper.Builder.modules(...) ignores changes after build() due to internal saveState

Changes, data formats

CBOR

  • #640: CBOR throws ArrayIndexOutOfBoundsException with long ASCII text
  • #793: XmlSerializationContext: NPE _writeCapabilities not set for SerializationContext

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