Jakarta WebSocket 2.3 (under development)

Release for Jakarta EE 12

Jakarta WebSocket defines a API for Server and Client Endpoints for the WebSocket protocol (RFC6455).

This release will review the open enhancement requests and implement as many as possible in the time available.

New features, enhancements or additions

Transfer TCK from Platform TCK project to WebSocket project.

Review the open enhancement requests and implement as many as possible in the time available. A rough priority order for this being:

• Fixing bugs in the existing API
• Clarifying existing behaviour
• Adding new features

Removals, deprecations or backwards incompatible changes

None.

Minimum Java SE Version

Java SE 8 or higher

Details

• Jakarta WebSocket 2.3 Release Plan
• Jakarta EE Platform 12 Release Plan
• Jakarta WebSocket 2.3-M1 Specification Document (PDF)
• Jakarta WebSocket 2.3-M1 Specification Document (HTML)
• Jakarta WebSocket 2.3-M1 Javadoc
  • Client
  • Server
• Jakarta WebSocket 2.3-M1 TCK (info)
  • For all TCK releases, see download directory
• Maven coordinates
  • jakarta.websocket:jakarta.websocket-api:jar:2.3.0-M1
  • jakarta.websocket:jakarta.websocket-client-api:jar:2.3.0-M1

Compatible Implementations

• Apache Tomcat 12 (TBC)

Ballots

Plan Review

The Specification Committee Ballot concluded successfully on 2025-04-02 with the following results.

The ballot was run in the jakarta.ee-spec mailing list

Release Review

TBD