Jackson Release 3.2.2

Patch version of 3.2, under development as of July 2026.

Following fixes will be included in this patch release.

Changes, core

Streaming

None

Databind

• #6096: Honor @JsonView in BeanAsArrayDeserializer update path
• #6099: Resolve classes without initialization in TypeFactory.findClass()
• #6101: @JsonInclude(NON_EMPTY, content=CUSTOM) does not omit a Map property after all entries are filtered
• #6109: Mark built-in JDK 8 handlers as Jackson standard implementations

Changes, dataformats

Protobuf

• #708: Proto3 fields without label fail to parse
• #714: Packed repeated field fails to decode when array spans an input buffer reload
• #715: ProtobufGenerator._reportWrongWireType() always reports string, ignoring actual type

Smile

• #720: SmileGenerator writes past output buffer (ArrayIndexOutOfBoundsException) for very long Strings due to int overflow in maxLen

TOML

• #702: Expand TOML dotted key nesting checks

Changes, Other modules

Blackbird

• #355: Blackbird silently reverts Optional (reference-type) properties to reflection MethodProperty: Jdk8OptionalDeserializer fails isDefaultDeserializer check