Jackson Release 2.21.3

Patch version of 2.21, under development as of March 2026.

Following fixes will be included in this patch release.

Changes, core

Streaming

None

Databind

• #5840: Jackson 2.21 throws Conflicting property-based creators if both default (0-arg) and multi-arg constructor annotated

Changes, Other modules

Blackbird

• #339: @JsonView deserialization filtering is broken when BlackbirdModule is registered