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Jackson Release 2.18.6

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Tatu Saloranta edited this page Feb 23, 2026 · 11 revisions

Patch version of 2.18, released on February 22, 2026.

Following fixes are included in this patch release.

Changes, core

Streaming

  • #1512: Number-parsing fix for UTF8DataInputJsonParser
  • #1548: StreamReadConstraints.maxDocumentLength not checked when creating parser with fixed buffer
  • #1555: Enforce StreamReadConstraints.maxNumberLength for non-blocking (async) parser

Changes, data formats

Avro

  • #645: Remove use of Avro Schema.Parser().setValidate() to allow use of Avro core 1.12.1 (2.x)

CBOR

  • #649: StreamReadConstraints.maxDocumentLength not checked when creating parser with fixed buffer
  • #652: Ensure CBOR backend supports StreamReadConstraints.maxTokenCount

CSV

  • #613: Support StreamReadConstraints.maxDocumentLength() validation for CSV module

Smile

  • #649: StreamReadConstraints.maxDocumentLength not checked when creating parser with fixed buffer
  • #651: Ensure Smile backend supports StreamReadConstraints.maxTokenCount

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