Jackson Release 2.20.1

Patch version of 2.20, under development.

Following fixes will be included in this patch release.

Changes, core

Streaming

• #1473: Bug with Surrogates + Segments in the UTF8JsonGenerator

Databind

• #5292: MapperFeature.FIX_FIELD_NAME_UPPER_CASE_PREFIX does not work with Constructor parameters

Changes, data formats

Avro

• #601: Jackson subtype Avro schema unions are non-deterministic and therefore incompatible with each other