Jackson Release 3.1.7

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

Following fixes will be included in this patch release.

Changes, core

Streaming

• #1668: WriterBasedJsonGenerator throws ArrayIndexOutOfBoundsException when a zero-length custom escape ends exactly at the output buffer boundary

Databind

None

Changes, dataformats

Avro

• #745: Fix Avro bugs