# Jackson, Jackson Basics

Published articles for Jackson, Jackson Basics.

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## What's New in Jackson 3?

DevFeed: [What's New in Jackson 3?](<https://devfeed.tech/articles/what-s-new-in-jackson-3-4496.md>)

Original publisher: [Read original article](<https://www.baeldung.com/java-jackson-3-updates>)

Author: Mateusz Szablak

Published: 2026-09-10T19:10:48Z

Content type: tutorial

Language: en

Sources: [Baeldung](<https://devfeed.tech/sources/baeldung.md>)

Topics: [Jackson, Java Dates, Exception, LocalDate](<https://devfeed.tech/topics/jackson-java-dates-exception-localdate.md>), [migration](<https://devfeed.tech/topics/migration.md>)

Tags: [android](<https://devfeed.tech/tags/android.md>), [api](<https://devfeed.tech/tags/api.md>), [jackson](<https://devfeed.tech/tags/jackson.md>), [jackson-basics](<https://devfeed.tech/tags/jackson-basics.md>), [jackson-jackson-basics](<https://devfeed.tech/tags/jackson-jackson-basics.md>), [java](<https://devfeed.tech/tags/java.md>), [json](<https://devfeed.tech/tags/json.md>), [migration](<https://devfeed.tech/tags/migration.md>), [popular](<https://devfeed.tech/tags/popular.md>), [tutorial](<https://devfeed.tech/tags/tutorial.md>)

### AI overview

A tutorial on Jackson 3.0's architectural and migration changes from Jackson 2.x, including its Java 17 baseline, new artifact and package names, Android considerations, and removed deprecated APIs.

### Source excerpt

Learn what's new in Jackson 3, how it differs from Jackson 2, and what you need to do in order to migrate from Jackson 2.x to the new version. The post What's New in Jackson 3? first appeared on Baeldung.