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JEP 401

Assess

Techniques

A Java Enhancement Proposal for preview Value Objects in the Java platform.

Why it's here

Placed in Assess: 4 article(s) of evidence from 2 source(s), led by framework updates, with 0 in the last 30 days. Confidence 47%.

Evidence (4)

  • 5InfoQ·8/24/2026framework_update
    JDK 27 Reaches First Release Candidate

    JDK 27, the second non-LTS release after JDK 25, has entered its first release candidate phase with a finalized set of nine new JEPs. The article reviews these changes across core libraries, HotSpot, security, and the Java Language Specification, and also looks ahead to features that may be targeted for JDK 28.

  • 6InfoQ·8/17/2026framework_update
    JEP 540 Moves Toward JDK 28 Target with Simple JSON API

    JEP 540, the Simple JSON API, has advanced to Target status for JDK 28. The API aims to provide a compact, dependency-free way to parse and generate JSON with immutable values, strict syntax checks, and simple traversal and conversion. Feedback from incubation will continue to influence its design.

  • 7Hacker News·7/31/2026framework_update
    JEP 401 Value Objects preview merged into OpenJDK master

    OpenJDK has merged JEP 401, which introduces Value Objects in preview form as part of Project Valhalla. The change moves the Java platform closer to supporting more efficient, identity-free data types with potential performance and memory-use benefits.

  • 6InfoQ·7/27/2026framework_update
    Java Roundup Covers JDK 28 JEPs, CPU Update, and New Releases

    This Java roundup highlights two proposed JEPs targeted for JDK 28, including the Simple JSON API incubator and the planned deprecation of the macOS/x64 port for removal. It also notes Oracle's July 2026 Critical Patch Update alongside GA and maintenance releases for Embabel 1.0, Azul Payara 7.2.0, and Helidon 4.5.1.