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IonFactory may leave initial IOContext unreleased after parser construction

Status: Open.

#792 In FasterXML/jackson-dataformats-binary;

· Dongnyoung opened on Sep 15, 2026

[GLD Serializer Benchmark] Kotlin jackson-cbor 2.19.0 — spec compliance misses

Status: Open.

#790 In FasterXML/jackson-dataformats-binary;

· leo-gan opened on Sep 14, 2026

[GLD Serializer Benchmark] Java jackson-smile 2.19.0 — spec compliance misses

Status: Open.

#789 In FasterXML/jackson-dataformats-binary;

· leo-gan opened on Sep 14, 2026

[GLD Serializer Benchmark] Java jackson-cbor 2.19.0 — spec compliance misses

Status: Open.

#788 In FasterXML/jackson-dataformats-binary;

· leo-gan opened on Sep 14, 2026

(avro) Support StreamReadConstraints.maxDocumentLength and maxTokenCount in Avro parser

Status: Open.

#785 In FasterXML/jackson-dataformats-binary;

· pjfanning opened on Sep 12, 2026

(protobuf) Support StreamReadConstraints.maxDocumentLength in ProtobufParser

Status: Open.

#783 In FasterXML/jackson-dataformats-binary;

· pjfanning opened on Sep 12, 2026

(smile) SmileGenerator.writeNumber(String) validates number length against default StreamReadConstraints instead of configured ones

Status: Open.

#781 In FasterXML/jackson-dataformats-binary;

· pjfanning opened on Sep 12, 2026

IonFactory leaks stream when parser/generator construction fails for File/Path

Status: Open.

#780 In FasterXML/jackson-dataformats-binary;

· cowtowncoder opened on Sep 12, 2026

Add Apache Parquet format backend (jackson-dataformat-parquet)

Status: Open.

#766 In FasterXML/jackson-dataformats-binary;

· hugoncosta opened on Aug 29, 2026

Support work with com.google.protobuf.Struct

protobuf

Status: Open.

#630 In FasterXML/jackson-dataformats-binary;

· He-Pin opened on Oct 30, 2025

Inability to specify custom namespace for java-key-class entries when using @AvroNamespace annotation in those classes

avro

good first issueIssue that seems easy to resolve and is likely a good candidate for contributors new to projectIssue that seems easy to resolve and is likely a good candidate for contributors new to project

pr-neededFeature request for which PR likely needed (no active development but idea is workable)Feature request for which PR likely needed (no active development but idea is workable)

Status: Open.

#611 In FasterXML/jackson-dataformats-binary;

· MartinK99 opened on Sep 3, 2025

Add some sort of extension point in CBORParser for pluggable custom-tag support

3.x

cbor

Status: Open.

#581 In FasterXML/jackson-dataformats-binary;

· cowtowncoder opened on Apr 30, 2025