Jakarta Expression Language 6.1 (under development)

Release for Jakarta EE 12

Jakarta Expression Language defines an expression language for Java applications.

This release adds a small number of language enhancements and addresses a performance issue.

New features, enhancements or additions

• Add, in cooperation with the Jakarta Pages 4.1 specification, a performance optimisation for scoped attributes.
• Make caching mechanisms pluggable
• Language enhancements requested by users including:
  • Elvis operator
  • Use of ‘+’ to merge collections
• Move TCK from Platform TCK project to Expression Language Project

Removals, deprecations or backwards incompatible changes

• None planned

Minimum Java SE Version

Java SE 17 or higher

Details

• Jakarta Expression Language 6.1 Release Record

  • Jakarta Expression Language 6.1 Release Plan
  • Jakarta EE Platform 12 Release Plan

• Jakarta Expression Language 6.1-M1 Specification Document (PDF)

• Jakarta Expression Language 6.1-M1 Specification Document (HTML)

• Jakarta Expression Language 6.1-M1 Javadoc

• Jakarta Expression Language 6.1-M1 TCK (info)

  • For all TCK releases, see download directory

• Maven coordinates

  • jakarta.el:jakarta.el-api:jar:6.1.0-M1

Compatible Implementations

• Apache Tomcat 12 (TBC)

Ballots

Plan Review

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

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

Release Review

TBD