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.

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

Java SE 17 or higher

Details

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

Representative	Representative for	Vote
Kenji Kazumura	Fujitsu	+1
Emily Jiang, Tom Watson	IBM	+1
Ed Bratt, Dmitry Kornilov	Oracle	+1
Andrew Pielage, Petr Aubrecht	Payara	+1
David Blevins, Jean-Louis Monteiro	Tomitribe	+1
Ivar Grimstad	EE4J PMC	+1
Marcelo Ancelmo, Abraham Marin-Perez	Participant Members	+1
Werner Keil	Committer Members	+1
Zhai Luchao	Enterprise Members	+1
Jun Qian	Enterprise Members	+1
	Total	10