Inside Java

JEP targeted to JDK 28: 540: Simple JSON API (Incubator)

2026-10-02T00:00:00Z

The following JEP is targeted to JDK 28: 540: Simple JSON API (Incubator)

Agent Helidon: License to Scale

2026-10-01T00:00:00Z

While AI agents are rapidly advancing, the performance and scalability of the agents and their underlying services have received too little attention. This session showcases Helidon powering scalable services via Virtual Thread–based MCP servers and high-performance agents through its compile-time integration with LangChain4j.

Faster Post-Quantum Cryptography with JDK Intrinsics

2026-09-30T00:00:00Z

Find out about the improved Curve25519 field performance in JDK 27 and JDK 28.

JEP targeted to JDK 28: 541: Deprecate the macOS/x64 Port for Removal

2026-09-29T00:00:00Z

The following JEP is targeted to JDK 28: 541: Deprecate the macOS/x64 Port for Removal

Performance Improvements in JDK 27

2026-09-28T00:00:00Z

Notable performance improvements in JDK27

JEP targeted to JDK 28: 539: Strict Field Initialization in the JVM (Preview)

2026-09-26T00:00:00Z

The following JEP is targeted to JDK 28: 539: Strict Field Initialization in the JVM (Preview)

The Limitations of Running a Workload Generator In the Same JVM as the System-Under-Test

2026-09-25T00:00:00Z

When you evaluate a system with a garbage collector and want to understand its tail latency, you often see SPECjbb2015 or DaCapo used. While both offer corrective measures for coordinated omission, only SPECjbb2015 can run the workload generator and backend server in the same JVM, as well as separate them into different JVMs. This post is a deep dive that uses SPECjbb2015's flexibility to explore and highlight the risks of running the workload generator in the same JVM as the backend.

Episode 71 “Security in Java” [AtA]

2026-09-24T00:00:00Z

Given how prevalent Java is on web servers throughout the internet, security in Java is of critical importance - there's the JDK itself, of course, but also the algorithms and features it offers to applications

Quality Outreach Heads-up - JDK 28: Rich JavaDoc Notes

2026-09-23T00:00:00Z

This Heads-Up is part of the regular communication sent to the projects involved; it covers a new JavaDoc tag `@note` to highlight the presence of additional information in API documentation.

Helidon 27 Released

2026-09-22T00:00:00Z

The Helidon team is pleased to announce Helidon 27, the first release under the Tip-and-Tail model used by OpenJDK.