Jackson Release 2.14.1

Patch version of 2.14, released on November 21st, 2022.

Following fixes are included in this patch release.

Changes, core

Databind

• #3655: Enum values can not be read from single-element array even with DeserializationFeature.UNWRAP_SINGLE_VALUE_ARRAYS
• #3665: ObjectMapper default heap consumption increased significantly from 2.13.x to 2.14.0

Changes, data formats

CSV

• #352: Disabling CsvParser.Feature.FAIL_ON_MISSING_HEADER_COLUMNS has no effect

Smile

• #342: Possible performance improvement on jdk9+ for Smile decoding

Changes, datatypes

Jakarta-JSONP / JSR-353

• #27: Deserializing a JSON Merge Patch fails when the input is not a JSON object