# JDK 27

Published articles for JDK 27.

This is one page of public article previews, not the complete archive. Follow Next page to continue. Summaries are not the original full articles.

## Java 27 Delivers Post-Quantum Cryptography, Future Language Innovation, Helidon 27, JavaFX 27

DevFeed: [Java 27 Delivers Post-Quantum Cryptography, Future Language Innovation, Helidon 27, JavaFX 27](<https://devfeed.tech/articles/java-27-delivers-post-quantum-cryptography-future-language-innovation-helidon-27-javafx-27-30909.md>)

Original publisher: [Read original article](<https://www.infoq.com/news/2026/09/java27-released/>)

Author: Michael Redlich

Published: 2026-09-16T10:00:00Z

Content type: news

Language: en

Sources: [InfoQ](<https://devfeed.tech/sources/infoq.md>)

Topics: [Java](<https://devfeed.tech/topics/java.md>), [java-27](<https://devfeed.tech/topics/java-27.md>), [Post-quantum cryptography](<https://devfeed.tech/topics/post-quantum-cryptography.md>), [Cryptography](<https://devfeed.tech/topics/cryptography.md>), [Security](<https://devfeed.tech/topics/security.md>), [Programming](<https://devfeed.tech/topics/programming.md>), [releases](<https://devfeed.tech/topics/releases.md>)

Tags: [application-security](<https://devfeed.tech/tags/application-security.md>), [architecture-design](<https://devfeed.tech/tags/architecture-design.md>), [cryptography](<https://devfeed.tech/tags/cryptography.md>), [development](<https://devfeed.tech/tags/development.md>), [digital-signature](<https://devfeed.tech/tags/digital-signature.md>), [helidon](<https://devfeed.tech/tags/helidon.md>), [java](<https://devfeed.tech/tags/java.md>), [java-27](<https://devfeed.tech/tags/java-27.md>), [java27-released](<https://devfeed.tech/tags/java27-released.md>), [javafx](<https://devfeed.tech/tags/javafx.md>), [jdk-27](<https://devfeed.tech/tags/jdk-27.md>), [jdk-28](<https://devfeed.tech/tags/jdk-28.md>), [lattice](<https://devfeed.tech/tags/lattice.md>), [module](<https://devfeed.tech/tags/module.md>), [news](<https://devfeed.tech/tags/news.md>), [oracle](<https://devfeed.tech/tags/oracle.md>), [portfolio](<https://devfeed.tech/tags/portfolio.md>), [post-quantum-cryptography](<https://devfeed.tech/tags/post-quantum-cryptography.md>), [preview](<https://devfeed.tech/tags/preview.md>), [project-valhalla](<https://devfeed.tech/tags/project-valhalla.md>), [quantum-computing](<https://devfeed.tech/tags/quantum-computing.md>), [release](<https://devfeed.tech/tags/release.md>), [security](<https://devfeed.tech/tags/security.md>), [structured-concurrency](<https://devfeed.tech/tags/structured-concurrency.md>), [vector](<https://devfeed.tech/tags/vector.md>)

### AI overview

Oracle released Java 27, the second non-LTS release since JDK 25. Its final feature set contains nine JEPs, including post-quantum hybrid key exchange for TLS 1.3, structured concurrency, compact object headers, JFR data redaction, the Vector API, and PEM encodings for cryptographic objects. Five features remain in preview or incubator stages.

### Source excerpt

Oracle has released version 27 of the Java programming language and virtual machine. As the second non-LTS release since JDK 25, the final feature set includes nine JEPs, five of which are still progressing through the preview and incubator stages. This release focuses on strengthening security, future language innovation, and projects under the auspices of the Java Verified Portfolio. By Michael Redlich

## Java 27 adds improvements to garbage collection, headers, data security, and quantum key support

DevFeed: [Java 27 adds improvements to garbage collection, headers, data security, and quantum key support](<https://devfeed.tech/articles/java-27-grows-up-makes-better-choices-30925.md>)

Original publisher: [Read original article](<https://www.theregister.com/devops/2026/09/16/java-27-grows-up-makes-better-choices/5296707>)

Author: Joab Jackson

Published: 2026-09-16T04:50:00Z

Content type: news

Language: en

Sources: [www.theregister.com - Articles](<https://devfeed.tech/sources/www-theregister-com-articles.md>)

Topics: [java-27](<https://devfeed.tech/topics/java-27.md>), [Java](<https://devfeed.tech/topics/java.md>), [Security](<https://devfeed.tech/topics/security.md>), [data](<https://devfeed.tech/topics/data.md>)

Tags: [devops](<https://devfeed.tech/tags/devops.md>), [garbage-collection](<https://devfeed.tech/tags/garbage-collection.md>), [improvements](<https://devfeed.tech/tags/improvements.md>), [java](<https://devfeed.tech/tags/java.md>), [java-27](<https://devfeed.tech/tags/java-27.md>), [jdk](<https://devfeed.tech/tags/jdk.md>), [jdk-27](<https://devfeed.tech/tags/jdk-27.md>), [openjdk](<https://devfeed.tech/tags/openjdk.md>), [post-quantum-cryptography](<https://devfeed.tech/tags/post-quantum-cryptography.md>)

### AI overview

Java 27 introduces improvements to JDK garbage collection, header sizes, data security, and quantum key support, with the stated aim of reducing developer friction.

### Source excerpt

Improvements in JDK garbage collection, header sizes, data security and quantum key support all should minimize developer friction

## JDK 27 Security Enhancements

DevFeed: [JDK 27 Security Enhancements](<https://devfeed.tech/articles/jdk-27-security-enhancements-27007.md>)

Original publisher: [Read original article](<https://inside.java/2026/09/16/jdk27-security-enhancements/>)

Author: Sean Mullan

Published: 2026-09-16T00:00:00Z

Content type: article

Language: en

Sources: [Inside Java](<https://devfeed.tech/sources/inside-java.md>)

Topics: [JDK 27](<https://devfeed.tech/topics/jdk-27.md>), [Security](<https://devfeed.tech/topics/security.md>), [Cryptography](<https://devfeed.tech/topics/cryptography.md>), [Encryption](<https://devfeed.tech/topics/encryption.md>), [TLS (Transport Layer Security)](<https://devfeed.tech/topics/tls.md>), [Post-Quantum](<https://devfeed.tech/topics/post-quantum.md>), [Release notes](<https://devfeed.tech/topics/release-notes.md>)

Tags: [certificates](<https://devfeed.tech/tags/certificates.md>), [cryptographic](<https://devfeed.tech/tags/cryptographic.md>), [encryption](<https://devfeed.tech/tags/encryption.md>), [jdk-27](<https://devfeed.tech/tags/jdk-27.md>), [notes](<https://devfeed.tech/tags/notes.md>), [password](<https://devfeed.tech/tags/password.md>), [post-quantum](<https://devfeed.tech/tags/post-quantum.md>), [private-key](<https://devfeed.tech/tags/private-key.md>), [release-notes](<https://devfeed.tech/tags/release-notes.md>), [security](<https://devfeed.tech/tags/security.md>), [tls](<https://devfeed.tech/tags/tls.md>)

### AI overview

This article reviews selected security enhancements in JDK 27, released on September 15, 2026. It highlights TLS 1.3 support for post-quantum hybrid key exchange mechanisms and the third preview of the PEM API for encoding and decoding cryptographic objects.

### Source excerpt

JDK 27 was released on September 15, 2026! As with my previous blogs, I have compiled a list of what I think are the most interesting and useful security enhancements in this release. I have also grouped them into appropriate categories (crypto, TLS, etc) which should make it easier to find out what has changed in each specific area. The JDK 27 release notes also contain further details on these and other enhancements.

## Java 27 Launch Stream

DevFeed: [Java 27 Launch Stream](<https://devfeed.tech/articles/java-27-launch-stream-31431.md>)

Original publisher: [Read original article](<https://inside.java/2026/09/16/java-27-launch/>)

Author: On September

Published: 2026-09-16T00:00:00Z

Content type: news

Language: en

Sources: [Inside Java](<https://devfeed.tech/sources/inside-java.md>)

Topics: [java-27](<https://devfeed.tech/topics/java-27.md>), [JDK 27](<https://devfeed.tech/topics/jdk-27.md>), [Artificial Intelligence](<https://devfeed.tech/topics/ai.md>)

Tags: [ai](<https://devfeed.tech/tags/ai.md>), [java](<https://devfeed.tech/tags/java.md>), [java-27](<https://devfeed.tech/tags/java-27.md>), [jdk-27](<https://devfeed.tech/tags/jdk-27.md>), [launch](<https://devfeed.tech/tags/launch.md>), [release](<https://devfeed.tech/tags/release.md>)

### AI overview

A launch stream celebrating the release of Java 27 and discussing key enhancements, platform changes, and developments involving Java and AI.

### Source excerpt

On September 15 we celebrated the release of Java 27! We covered what's coming in JDK 27--from key enhancements and platform changes to the latest developments at the intersection of Java and AI.

## Java 27 in IntelliJ IDEA

DevFeed: [Java 27 in IntelliJ IDEA](<https://devfeed.tech/articles/java-27-in-intellij-idea-26945.md>)

Original publisher: [Read original article](<https://blog.jetbrains.com/idea/2026/09/java-27-in-intellij-idea/>)

Author: Marit van Dijk

Published: 2026-09-15T14:49:02Z

Content type: tutorial

Language: en

Sources: [The JetBrains Blog](<https://devfeed.tech/sources/the-jetbrains-blog.md>)

Topics: [IntelliJ IDEA](<https://devfeed.tech/topics/intellij-idea.md>), [Java](<https://devfeed.tech/topics/java.md>), [JDK 27](<https://devfeed.tech/topics/jdk-27.md>)

Tags: [intellij-idea](<https://devfeed.tech/tags/intellij-idea.md>), [java](<https://devfeed.tech/tags/java.md>), [java-27](<https://devfeed.tech/tags/java-27.md>), [jdk-27](<https://devfeed.tech/tags/jdk-27.md>), [news](<https://devfeed.tech/tags/news.md>)

### AI overview

A tutorial on using Java 27 with IntelliJ IDEA, including downloading or configuring JDK 27 and setting the project language level.

### Source excerpt

In line with the six-month release cadence, Java 27 was released on September 15, 2026. In this blog post, we will look at what's included in this release, how IntelliJ IDEA continues to support the latest Java versions, and even how IntelliJ IDEA is benefiting from some of the changes to the JDK. Java 27 [...]

## JDK 27 Is Generally Available with Nine JEP-Backed Enhancements

DevFeed: [JDK 27 Is Generally Available with Nine JEP-Backed Enhancements](<https://devfeed.tech/articles/the-arrival-of-java-27-26790.md>)

Original publisher: [Read original article](<https://inside.java/2026/09/15/jdk-27-available/>)

Author: On September

Published: 2026-09-15T00:00:00Z

Content type: release

Language: en

Sources: [Inside Java](<https://devfeed.tech/sources/inside-java.md>)

Topics: [JDK 27](<https://devfeed.tech/topics/jdk-27.md>), [Java](<https://devfeed.tech/topics/java.md>), [Security](<https://devfeed.tech/topics/security.md>), [Cryptography](<https://devfeed.tech/topics/cryptography.md>), [Quantum Computing](<https://devfeed.tech/topics/quantum-computing.md>)

Tags: [announce](<https://devfeed.tech/tags/announce.md>), [cryptography](<https://devfeed.tech/tags/cryptography.md>), [improvements](<https://devfeed.tech/tags/improvements.md>), [java](<https://devfeed.tech/tags/java.md>), [jdk](<https://devfeed.tech/tags/jdk.md>), [jdk-27](<https://devfeed.tech/tags/jdk-27.md>), [oracle](<https://devfeed.tech/tags/oracle.md>), [quantum](<https://devfeed.tech/tags/quantum.md>), [security](<https://devfeed.tech/tags/security.md>)

### AI overview

Oracle announces the general availability of JDK 27, which includes nine enhancements covered by JDK Enhancement Proposals, including preview and incubator features across the Java language, security, performance, runtime, and libraries.

### Source excerpt

JDK 27 is now available! Oracle is proud to announce the general availability of JDK 27 for developers, enterprises, and end-users.

## Java News Roundup: New OpenJDK JEPs, CDI 5.0, Spring, Open Liberty, RefactorFirst, ADK for Kotlin

DevFeed: [Java News Roundup: New OpenJDK JEPs, CDI 5.0, Spring, Open Liberty, RefactorFirst, ADK for Kotlin](<https://devfeed.tech/articles/java-news-roundup-new-openjdk-jeps-cdi-5-0-spring-open-liberty-refactorfirst-adk-for-kotlin-21544.md>)

Original publisher: [Read original article](<https://www.infoq.com/news/2026/09/java-news-roundup-sep07-2026/>)

Author: Michael Redlich

Published: 2026-09-14T20:15:00Z

Content type: news

Language: en

Sources: [InfoQ](<https://devfeed.tech/sources/infoq.md>)

Topics: [Java](<https://devfeed.tech/topics/java.md>), [Concurrency](<https://devfeed.tech/topics/concurrency.md>), [JDK 27](<https://devfeed.tech/topics/jdk-27.md>), [releases](<https://devfeed.tech/topics/releases.md>), [Jakarta EE](<https://devfeed.tech/topics/jakarta-ee.md>), [Gradle](<https://devfeed.tech/topics/gradle.md>), [Groovy](<https://devfeed.tech/topics/groovy.md>)

Tags: [2026](<https://devfeed.tech/tags/2026.md>), [architecture-design](<https://devfeed.tech/tags/architecture-design.md>), [concurrency](<https://devfeed.tech/tags/concurrency.md>), [development](<https://devfeed.tech/tags/development.md>), [gradle](<https://devfeed.tech/tags/gradle.md>), [groovy](<https://devfeed.tech/tags/groovy.md>), [jakarta-ee](<https://devfeed.tech/tags/jakarta-ee.md>), [java](<https://devfeed.tech/tags/java.md>), [java-news-roundup-sep07-2026](<https://devfeed.tech/tags/java-news-roundup-sep07-2026.md>), [jdk-27](<https://devfeed.tech/tags/jdk-27.md>), [jdk-28](<https://devfeed.tech/tags/jdk-28.md>), [kotlin](<https://devfeed.tech/tags/kotlin.md>), [micronaut](<https://devfeed.tech/tags/micronaut.md>), [news](<https://devfeed.tech/tags/news.md>), [open-jdk](<https://devfeed.tech/tags/open-jdk.md>), [open-liberty](<https://devfeed.tech/tags/open-liberty.md>), [refactorfirst](<https://devfeed.tech/tags/refactorfirst.md>), [releases](<https://devfeed.tech/tags/releases.md>), [spring-framework](<https://devfeed.tech/tags/spring-framework.md>), [tornadovm](<https://devfeed.tech/tags/tornadovm.md>)

### AI overview

A Java news roundup for September 7, 2026, covers new OpenJDK proposals for ahead-of-time compilation and structured concurrency, Jakarta CDI 5.0 and ADK for Kotlin 1.0, Open Liberty, TornadoVM, RefactorFirst, Micronaut, Groovy 6.0, and Gradle 9.8. It also reports current JDK 27 and JDK 28 early-access builds and describes improvements in TornadoVM 6.1.0.

### Source excerpt

This week's Java roundup for September 7th, 2026, features news highlighting: new JEPs for ahead-of-time compilation and structured concurrency; GA releases of Jakarta CDI 5.0 and ADK for Kotlin 1.0; the September 2026 edition of Open Liberty; point releases of TornadoVM and RefactorFirst; a maintenance release of Micronaut; and first releases candidates of Groovy 6.0 and Gradle 9.8. By Michael Redlich

## Java 27 Technically Within 2 Minutes

DevFeed: [Java 27 Technically Within 2 Minutes](<https://devfeed.tech/articles/java-27-technically-within-2-minutes-15133.md>)

Original publisher: [Read original article](<https://inside.java/2026/09/13/jdk-27-in-2-min/>)

Author: Billy Korando

Published: 2026-09-13T00:00:00Z

Content type: article

Language: en

Sources: [Inside Java](<https://devfeed.tech/sources/inside-java.md>)

Topics: [JDK 27](<https://devfeed.tech/topics/jdk-27.md>)

Tags: [java](<https://devfeed.tech/tags/java.md>), [jdk](<https://devfeed.tech/tags/jdk.md>), [jdk-27](<https://devfeed.tech/tags/jdk-27.md>), [livestream](<https://devfeed.tech/tags/livestream.md>), [release](<https://devfeed.tech/tags/release.md>), [review](<https://devfeed.tech/tags/review.md>)

### AI overview

A brief review of the nine JDK Enhancement Proposals included in the JDK 27 release, with an invitation to a Java 27 livestream featuring live demos and guests.

### Source excerpt

Let's review in about 2 minutes the 9 JEPs (JDK Enhancement Proposals) that were included in the JDK 27 release!

## JDK 27 Runtime Updates Release Notes

DevFeed: [JDK 27 Runtime Updates Release Notes](<https://devfeed.tech/articles/jdk-27-runtime-updates-release-notes-15132.md>)

Original publisher: [Read original article](<https://inside.java/2026/09/12/jdk-27-runtime-updates/>)

Author: Billy Korando

Published: 2026-09-12T00:00:00Z

Content type: release

Language: en

Sources: [Inside Java](<https://devfeed.tech/sources/inside-java.md>)

Topics: [JDK 27](<https://devfeed.tech/topics/jdk-27.md>), [Release notes](<https://devfeed.tech/topics/release-notes.md>), [releases](<https://devfeed.tech/topics/releases.md>), [Java](<https://devfeed.tech/topics/java.md>)

Tags: [env-file-security](<https://devfeed.tech/tags/env-file-security.md>), [gc](<https://devfeed.tech/tags/gc.md>), [jdk-27](<https://devfeed.tech/tags/jdk-27.md>), [memory](<https://devfeed.tech/tags/memory.md>), [net-conf](<https://devfeed.tech/tags/net-conf.md>), [passwords](<https://devfeed.tech/tags/passwords.md>), [performance](<https://devfeed.tech/tags/performance.md>), [release](<https://devfeed.tech/tags/release.md>), [release-notes](<https://devfeed.tech/tags/release-notes.md>)

### AI overview

This article reviews runtime updates in JDK 27, including G1GC becoming the default garbage collector in all cases, Compact Object Headers being enabled by default, and improved JFR redaction and filtering for sensitive information such as passwords and API keys.

### Source excerpt

Let's review the performance updates, new runtime features, and other changes to existing features that are in the JDK 27 release!

## Episode 69 "Declassifying Java 27" \[IJN\]

DevFeed: [Episode 69 "Declassifying Java 27" \[IJN\]](<https://devfeed.tech/articles/episode-69-declassifying-java-27-ijn-15131.md>)

Original publisher: [Read original article](<https://inside.java/2026/09/10/podcast-069/>)

Author: Billy Korando

Published: 2026-09-10T00:00:00Z

Content type: news

Language: en

Sources: [Inside Java](<https://devfeed.tech/sources/inside-java.md>)

Topics: [Java](<https://devfeed.tech/topics/java.md>), [openjdk](<https://devfeed.tech/topics/openjdk.md>), [Programming](<https://devfeed.tech/topics/programming.md>)

Tags: [java](<https://devfeed.tech/tags/java.md>), [jdk](<https://devfeed.tech/tags/jdk.md>), [jdk-27](<https://devfeed.tech/tags/jdk-27.md>), [news](<https://devfeed.tech/tags/news.md>), [openjdk](<https://devfeed.tech/tags/openjdk.md>), [podcast](<https://devfeed.tech/tags/podcast.md>), [release](<https://devfeed.tech/tags/release.md>)

### AI overview

This episode discusses Java 27, scheduled for release on September 15, and reviews developer-impacting changes, including new features and changes to existing behavior.

### Source excerpt

Java 27 is set to be released on September 15th, let's review what's coming!

## Spring Office Hours Podcast: S5E22 - Live from KCDC

DevFeed: [Spring Office Hours Podcast: S5E22 - Live from KCDC](<https://devfeed.tech/articles/spring-office-hours-podcast-s5e22-live-from-kcdc-21979.md>)

Original publisher: [Read original article](<https://spring.io/blog/2026/09/09/spring-office-hours-podcast-S5E22>)

Author: danvega

Published: 2026-09-09T00:00:00Z

Content type: article

Language: en

Sources: [Spring](<https://devfeed.tech/sources/spring.md>)

Topics: [Spring AI](<https://devfeed.tech/topics/spring-ai.md>), [Java](<https://devfeed.tech/topics/java.md>), [JDK 27](<https://devfeed.tech/topics/jdk-27.md>)

Tags: [ai](<https://devfeed.tech/tags/ai.md>), [batch](<https://devfeed.tech/tags/batch.md>), [boot](<https://devfeed.tech/tags/boot.md>), [cloud](<https://devfeed.tech/tags/cloud.md>), [conference](<https://devfeed.tech/tags/conference.md>), [event-driven](<https://devfeed.tech/tags/event-driven.md>), [events](<https://devfeed.tech/tags/events.md>), [java](<https://devfeed.tech/tags/java.md>), [jdk-27](<https://devfeed.tech/tags/jdk-27.md>), [live-stream](<https://devfeed.tech/tags/live-stream.md>), [microservices](<https://devfeed.tech/tags/microservices.md>), [podcast](<https://devfeed.tech/tags/podcast.md>), [reactive](<https://devfeed.tech/tags/reactive.md>), [serverless](<https://devfeed.tech/tags/serverless.md>), [spring](<https://devfeed.tech/tags/spring.md>), [web-applications](<https://devfeed.tech/tags/web-applications.md>)

### AI overview

Spring Office Hours Podcast episode S5E22 features Dan Vega and DaShaun Carter broadcasting from the Kansas City Developer Conference, with conference highlights, attendee and speaker conversations, and news from the Spring and Java ecosystems.

### Source excerpt

Join Dan Vega and DaShaun Carter for the latest updates from the Spring Ecosystem. In this episode, Dan and DaShaun broadcast live from the Kansas City Developer Conference, one of the largest community driven developer events in the country. Expect conference highlights, hallway track conversations with speakers and attendees, and the latest news from the Spring and Java worlds. You can participate in our live stream to ask questions or catch the replay on your preferred podcast platform. Show Notes KCDC Spring AI Recipes Spring Modulith Spring AI Community Project Babylon JDK 27 The show: springofficehours.io - episodes, schedule, community Spring Developer on YouTube - join us live every Monday Dan Vega DaShaun Carter The Spring Blog - the news we cover each week

## Acceleration of Curve25519 Field Operations with Java Software and Intrinsics

DevFeed: [Acceleration of Curve25519 Field Operations with Java Software and Intrinsics](<https://devfeed.tech/articles/acceleration-of-curve25519-field-operations-with-java-software-and-intrinsics-15129.md>)

Original publisher: [Read original article](<https://inside.java/2026/09/03/java-acceleration-curve25519-field-operations/>)

Author: Shawn Emery

Published: 2026-09-03T00:00:00Z

Content type: article

Language: en

Sources: [Inside Java](<https://devfeed.tech/sources/inside-java.md>)

Topics: [Java](<https://devfeed.tech/topics/java.md>), [JDK 27](<https://devfeed.tech/topics/jdk-27.md>), [JDK 28](<https://devfeed.tech/topics/jdk-28.md>), [Security](<https://devfeed.tech/topics/security.md>), [Post-Quantum](<https://devfeed.tech/topics/post-quantum.md>)

Tags: [crypto](<https://devfeed.tech/tags/crypto.md>), [ed25519](<https://devfeed.tech/tags/ed25519.md>), [java](<https://devfeed.tech/tags/java.md>), [jdk](<https://devfeed.tech/tags/jdk.md>), [jdk-27](<https://devfeed.tech/tags/jdk-27.md>), [jdk-28](<https://devfeed.tech/tags/jdk-28.md>), [performance](<https://devfeed.tech/tags/performance.md>), [post-quantum](<https://devfeed.tech/tags/post-quantum.md>), [security](<https://devfeed.tech/tags/security.md>), [tls](<https://devfeed.tech/tags/tls.md>), [x86](<https://devfeed.tech/tags/x86.md>)

### AI overview

JDK 27 and JDK 28 improve Curve25519 field-operation performance through software changes and architecture-specific intrinsics. The improvements benefit X25519, Ed25519, and X25519MLKEM768 operations, with gains varying by algorithm, JDK build, and x86_64 or AArch64 platform.

### Source excerpt

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