Jackson Release 3.0.4

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

Following fixes will be included in this patch release.

Changes, core

Streaming

None so far

Databind

• #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

XML

• #793: XmlSerializationContext: NPE _writeCapabilities not set for SerializationContext