Jackson Release 2.22

Jackson Version 2.22 was released on May 31, 2026 (although jackson-core delayed until June 3, 2026)

This wiki page gives a list of links to all changes (with brief descriptions) that are included.

Branch is closed after release of 2.23.0.

It is not be designated as Long-Term-Support (LTS) since 2.21 is a LTS.

• 2.22.1 (07-Jul-2026)
• 2.22.2 (16-Aug-2026)
• 2.22.3 (21-Sep-2026)
• 2.22.4 (17-Oct-2026)
• 2.22.5 (not released)

Same as Jackson 2.21, SDK 26

Same as Jackson 2.21; mostly Java 8, with some modules requiring later JDKs:

• jackson-datatype-hibernate: JDK 17 for some modules (Hibernate 7)
• jackson-jakarta-providers: JDK 11

Same as Jackson 2.21?

No changes.

None.

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Maintenance (bug fixes).

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• #78: Add @JsonApplyView to allow changing active JsonView on child properties
• #339: Add OptBoolean valued property "order" in @JsonIncludeProperties
• #342: Add @JsonTypeInfo.writeTypeIdForDefaultImpl to allow skipping writing of type id for values of default type
• #344: Improve Locale handling in JsonFormat.Value

No changes

• #3064: @JsonPropertyOrder(alphabetic=true) is ignored in case indices are defined for @JsonProperty -- add MapperFeature.SORT_PROPERTIES_BY_INDEX
• #3316: Deserialization of a date with @JsonFormat specified with locale that is not a language tag
• #3573: Inconsistent handling of nil UUID in property inclusion
• #3884: Add ObjectNode.put(JsonPointer, JsonNode) method

• #601: Reader should allow separating plain nullValue and quoted value "nullValue"

• #157: Add support for Guava ImmutableIntArray / ImmutableDoubleArray