Hacktoberfest 2026: the issues maintainers tagged for October, open and beginner-friendly. Browse Hacktoberfest issues

Jackson 3 switch

Open
#1,353 1 comment 0 reactions 1 assignee View on GitHub

Maintainers usually reply within 1 day

@hemasekhar-p is already working on this.

Since Jul 15, 2026.

Assessment

This issue has not been assessed yet.

Description

needs review

** Please make sure you read the contribution guide and file the issues in the right place. **
Contribution guide.

🔴 Required Information

Switch to using Jackson 3

Is your feature request related to a specific problem?

Spring 7 uses Jackson 3 as a baseline, and while it can work with two versions, maybe it would be better to switch 2.0 to Jackson 3

Describe the Solution You'd Like

Replacement of Jackson 2 with 3

Impact on your work

Easier deploy and work with new Spring Framework

Willingness to contribute

Are you interested in implementing this feature yourself or submitting a PR?
Yes
.

Dominant language
Java
Stars
1.7k
Forks
431
Avg merge
3d 2h
Merged PRs (30d)
46

Getting set up

Open in Codespaces

Starts the project's dev container in your browser, under your own GitHub account.

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

More from google/adk-java

All issues in google/adk-java

Similar issues

More Java issues

Get new issues in your inbox

A short digest of beginner-friendly GitHub issues.