Issues

• CBORParser.TagList should grow its backing array geometrically

  cbor
  FasterXML/jackson-dataformats-binary#821 · Filter by author pjfanning opened on Sep 30, 2026
  1

  

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

  FasterXML/jackson-dataformats-binary#790 · Filter by author leo-gan opened on Sep 14, 2026

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

  FasterXML/jackson-dataformats-binary#789 · Filter by author leo-gan opened on Sep 14, 2026

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

  FasterXML/jackson-dataformats-binary#788 · Filter by author leo-gan opened on Sep 14, 2026

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

  FasterXML/jackson-dataformats-binary#766 · Filter by author hugoncosta opened on Aug 29, 2026

• Support work with com.google.protobuf.Struct

  protobuf
  FasterXML/jackson-dataformats-binary#630 · Filter by author He-Pin opened on Oct 30, 2025
  3

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

  avropr-needed
  FasterXML/jackson-dataformats-binary#611 · Filter by author MartinK99 opened on Sep 3, 2025
  4

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

  3.xcbor
  FasterXML/jackson-dataformats-binary#581 · Filter by author cowtowncoder opened on Apr 30, 2025
  3

• Avro does not respect default values defined in schema

  avro
  FasterXML/jackson-dataformats-binary#416 · Filter by author basimons opened on Dec 4, 2023
  8

• Add ProtobufReadFeature.READ_UNKNOWN_ENUM_VALUES_USING_DEFAULT_VALUE

  protobuf
  FasterXML/jackson-dataformats-binary#398 · Filter by author itsmoonrack opened on Sep 22, 2023
  7

• Honor READ_ENUMS_USING_TO_STRING feature when deserializing

  protobuf
  FasterXML/jackson-dataformats-binary#397 · Filter by author itsmoonrack opened on Sep 22, 2023
  3

• StreamReadConstaints support in Ion dataformat

  ion
  FasterXML/jackson-dataformats-binary#358 · Filter by author pjfanning opened on Feb 16, 2023
  7

• Support for Protobuf WellKnownTypes when generating schema with ProtobufMapper

  protobuf
  FasterXML/jackson-dataformats-binary#349 · Filter by author efgpinto opened on Jan 6, 2023
  1

• Avro "single-object encoding" decoding fail: JsonParseException: Invalid length indicator for String: -98

  avrohas-failing-test
  FasterXML/jackson-dataformats-binary#343 · Filter by author birTiwana opened on Nov 15, 2022
  3

• Invalid Avro file produced using SequenceWriter

  avro
  FasterXML/jackson-dataformats-binary#339 · Filter by author willsoto opened on Sep 8, 2022
  7

• Introduce the writePOJO (or writeObject) with the element size

  cbor
  FasterXML/jackson-dataformats-binary#329 · Filter by author Kieun opened on Jul 14, 2022
  2

• [avro] Unable to encode and decode a POJO with an auto-generated schema

  avro
  FasterXML/jackson-dataformats-binary#309 · Filter by author lburgazzoli opened on Jan 6, 2022
  4

• Allow hyphen in Json Key Strings

  avro
  FasterXML/jackson-dataformats-binary#298 · Filter by author tarunjoshi-lily opened on Sep 16, 2021
  1

• [Avro] Rename VisitorFormatWrapperImpl to AvroFormatVisitorWrapper in 2.14 or 3.0

  3.2avro
  FasterXML/jackson-dataformats-binary#294 · Filter by author MichalFoksa opened on Aug 15, 2021

• Structured keys (Array, Object) not supported

  cbor
  FasterXML/jackson-dataformats-binary#280 · Filter by author gh-axel-czarniak opened on May 19, 2021
  6

• (avro) Compatibility issue because Schema validation error

  avro
  FasterXML/jackson-dataformats-binary#274 · Filter by author Shaswatparikh opened on Apr 5, 2021
  2

• Ion Polymorphic deserialization in 2.12 breaks wrt use of Native Type Ids when upgrading from 2.8

  ion
  FasterXML/jackson-dataformats-binary#270 · Filter by author manaigrn-amzn opened on Apr 1, 2021 · 2.12.3
  1

• jackson-dataformat-ion type serialization behavior

  ion
  FasterXML/jackson-dataformats-binary#234 · Filter by author jobarr-amzn opened on Dec 21, 2020
  4

• Add support for reading Date type (defined using type tags)

  cbor
  FasterXML/jackson-dataformats-binary#230 · Filter by author sbernard31 opened on Nov 26, 2020
  4

• [Avro] can't serialize POJO with extra field (that isn't in the schema)

  avropr-needed
  FasterXML/jackson-dataformats-binary#226 · Filter by author leonbur opened on Nov 19, 2020
  9