Jackson Release 3.1.1

Jump to bottom

Tatu Saloranta edited this page Mar 3, 2026 · 20 revisions

Patch version of 3.1, under development as of February 2026.

Following fixes will be included in this patch release.

Changes, core

Streaming

#1562: Move module-info.class to jar root level (/module-info.class) from under META-INF/versions/17

Databind

#5710: ObjectWriter transforms polymorphic types into a tree incompletely
#5716: @JsonUnwrapped properties moved to end in 3.1.0

Changes, data formats

Avro

#387: Avro generator should enforce StreamWriteConstraints.maxNestingDepth

CBOR

#669: STRINGREF String reference outside of a namespace

CSV

#615: Feature CsvReadFeature.EMPTY_UNQUOTED_STRING_AS_NULL ignored

Changes, data types

Joda

#175: JodaModule SPI metadata removed in 3.0.0-rc6

Clone this wiki locally