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ArrayStoreException for Builder-based type with Object Id when a forward reference in a typed array is resolved by a later element of the same array

Status: Open.

#6225 In FasterXML/jackson-databind;

· cowtowncoder opened on Sep 17, 2026

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

Status: Open.

#6221 In FasterXML/jackson-databind;

· leo-gan opened on Sep 14, 2026

Vanilla BeanDeserializer fast path never used with default settings in 3.x (due to MapperFeature.DEFAULT_VIEW_INCLUSION default change)

Status: Open.

#6219 In FasterXML/jackson-databind;

· cowtowncoder opened on Sep 14, 2026

@JsonAlias ignored in enum if @JsonValue is present

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

Status: Open.

#6210 In FasterXML/jackson-databind;

· bugada opened on Sep 10, 2026

@JacksonInject(useInput = OptBoolean.FALSE) ignored for Field and Setter properties

Status: Open.

#6201 In FasterXML/jackson-databind;

· aysha-afrah26 opened on Sep 9, 2026

Add opt-in failure for duplicate elements when deserializing JSON arrays into Set types

Status: Open.

#6177 In FasterXML/jackson-databind;

· dpkass opened on Aug 27, 2026

Is there a way to skip null values for properties handled by @JsonAnySetter?

Status: Open.

#6170 In FasterXML/jackson-databind;

· pjfanning opened on Aug 20, 2026

@JsonCreator for enums converts value to String event if it is not

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

Status: Open.

#6164 In FasterXML/jackson-databind;

· EmhyrVarEmreis opened on Aug 13, 2026

Support conditional type ID inclusion during deserialization

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

Status: Open.

#6147 In FasterXML/jackson-databind;

· westinrm opened on Aug 7, 2026

@JsonIgnoreProperties bypassed for Creator properties with builders and external type ids

Status: Open.

#6145 In FasterXML/jackson-databind;

· aysha-afrah26 opened on Aug 6, 2026

Jackson 3 requires a public visibility for an implicit long-argument delegating constructor, but not for the equivalent String one (Jackson 2 accepts both as private)

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

Status: Open.

#6144 In FasterXML/jackson-databind;

· itineric opened on Aug 5, 2026

@JsonFilter with serializeAllExcept() does not filter @JsonAnyGetter entries

3.3

Status: Open.

#6136 In FasterXML/jackson-databind;

· aysha-afrah26 opened on Jul 30, 2026