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Remove the map function on JsonNode

to-evaluateIssue that has been received but not yet evaluatedIssue that has been received but not yet evaluated

will-not-fixClosed as either non-issue or something not planned to be worked onClosed as either non-issue or something not planned to be worked on

Status: Open.

#5932 In FasterXML/jackson-databind;

· cjdxhjj opened on Apr 21, 2026

Support use of JSON Pointers (RFC 6901) for serializing object graphs (Object Id)

objectid

to-evaluateIssue that has been received but not yet evaluatedIssue that has been received but not yet evaluated

Status: Open.

#5920 In FasterXML/jackson-databind;

· scottslewis opened on Apr 16, 2026

Forward Object Id references inside Collection properties leak Builder instance (follow-up to #1496)

objectid

Status: Open.

#5909 In FasterXML/jackson-databind;

· cowtowncoder opened on Apr 14, 2026

Serialization duplicates for properties where field starts by a single lower case character

property-iPhoneIssue related to naming issue for fields like "iPhone"Issue related to naming issue for fields like "iPhone"

Status: Open.

#5906 In FasterXML/jackson-databind;

· nsenave opened on Apr 13, 2026

Optionally keeping token locations in TreeTraversingParser

to-evaluateIssue that has been received but not yet evaluatedIssue that has been received but not yet evaluated

Status: Open.

#5895 In FasterXML/jackson-databind;

· indyteo opened on Apr 10, 2026

Ability to change active JsonView on submodels

to-evaluateIssue that has been received but not yet evaluatedIssue that has been received but not yet evaluated

Status: Open.

#5745 In FasterXML/jackson-databind;

· f-aubert opened on Mar 9, 2026

JsonSetter.contentNulls propagates unexpectedly into nested structures

to-evaluateIssue that has been received but not yet evaluatedIssue that has been received but not yet evaluated

Status: Open.

#5742 In FasterXML/jackson-databind;

· k163377 opened on Mar 8, 2026

Jackson3 Deserialization with Properties Based constructor fails with tools.jackson.databind.exc.InvalidDefinitionException

need-test-caseTo work on issue, a reproduction (ideally unit test) neededTo work on issue, a reproduction (ideally unit test) needed

Status: Open.

#5593 In FasterXML/jackson-databind;

· buksvdl opened on Jan 17, 2026

Allow late-binding or reconfiguration of TokenStreamFactory on MapperBuilder

3.xIssues to be only tackled for Jackson 3.x, not 2.xIssues to be only tackled for Jackson 3.x, not 2.x

Status: Open.

#5524 In FasterXML/jackson-databind;

· mhewedy opened on Dec 22, 2025

Combination of sealed class and polymorphism does not work as expected when deserializing json

polymorphic-deductionIssues related to "Id.DEDUCTION" mode of `@JsonTypeInfo`Issues related to "Id.DEDUCTION" mode of `@JsonTypeInfo`

polymorphic-handlingProblem with polymorphic type handling (`@JsonTypeInfo`, Default Typing)Problem with polymorphic type handling (`@JsonTypeInfo`, Default Typing)

Status: Open.

#5496 In FasterXML/jackson-databind;

· FranchescaMullin opened on Dec 10, 2025

@JsonValue ignores propertyInclusion rules for config overide

RecordIssue related to JDK17 java.lang.Record supportIssue related to JDK17 java.lang.Record support

Status: Open.

#5380 In FasterXML/jackson-databind;

· LSwiatek opened on Nov 4, 2025

Jackon 3: @JsonSubTypes does not affect validity checks

3.xIssues to be only tackled for Jackson 3.x, not 2.xIssues to be only tackled for Jackson 3.x, not 2.x

polymorphic-handlingProblem with polymorphic type handling (`@JsonTypeInfo`, Default Typing)Problem with polymorphic type handling (`@JsonTypeInfo`, Default Typing)

Status: Open.

#5320 In FasterXML/jackson-databind;

· sdeleuze opened on Sep 24, 2025