# JDK 27 JDK 27 is a Java Development Kit release providing Java SE and JDK APIs, developer tools, and runtime-related utilities for Java programming and JVM management. This is one page of public article previews, not the complete archive. Follow Next page to continue. Summaries are not the original full articles. ## JDK 27 Security Enhancements DevFeed: [JDK 27 Security Enhancements]() Original publisher: [Read original article]() Author: Sean Mullan Published: 2026-09-16T00:00:00Z Content type: article Language: en Sources: [Inside Java]() Topics: [JDK 27](), [Security](), [Cryptography](), [Encryption](), [TLS (Transport Layer Security)](), [Post-Quantum](), [Release notes]() Tags: [certificates](), [cryptographic](), [encryption](), [jdk-27](), [notes](), [password](), [post-quantum](), [private-key](), [release-notes](), [security](), [tls]() ### 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. ## Spring Office Hours Podcast: S5E23 - Java 27 Release Party with Billy Korando DevFeed: [Spring Office Hours Podcast: S5E23 - Java 27 Release Party with Billy Korando]() Original publisher: [Read original article]() Author: danvega Published: 2026-09-16T00:00:00Z Content type: release Language: en Sources: [Spring]() Topics: [Java](), [java-27](), [JDK 27]() Tags: [batch](), [boot](), [cloud](), [developer](), [ecosystem](), [event-driven](), [java](), [java-27](), [live](), [live-stream](), [microservices](), [podcast](), [reactive](), [release](), [serverless](), [spring](), [web-applications]() ### AI overview A Spring Office Hours podcast episode discusses Java 27 with Billy Korando and highlights related launch updates and selected JDK enhancement proposals. ### Source excerpt Join Dan Vega and DaShaun Carter for the latest updates from the Spring Ecosystem. In this episode, Dan and DaShaun are joined by Kansas City JUG organizer and Java Developer Advocate, Billy Korando. In this episode, we celebrate the release of Java 27. You can participate in our live stream to ask questions or catch the replay on your preferred podcast platform. Show Notes JDK 27 Java 27 Launch Stream JEP 534: Compact Object Headers by Default JEP 523: Make G1 the Default Garbage Collector in All Environments JEP 533: Structured Concurrency (Seventh Preview) JEP 531: Lazy Constants (Third Preview) JEP 536: JFR In-Process Data Redaction Transitioning Java to more frequent security updates Project Babylon S5E22 - Live from KCDC Billy Korando on LinkedIn 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 ## Java 27 Launch Stream DevFeed: [Java 27 Launch Stream]() Original publisher: [Read original article]() Author: On September Published: 2026-09-16T00:00:00Z Content type: news Language: en Sources: [Inside Java]() Topics: [java-27](), [JDK 27](), [Artificial Intelligence]() Tags: [ai](), [java](), [java-27](), [jdk-27](), [launch](), [release]() ### 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]() Original publisher: [Read original article]() Author: Marit van Dijk Published: 2026-09-15T14:49:02Z Content type: tutorial Language: en Sources: [The JetBrains Blog]() Topics: [IntelliJ IDEA](), [Java](), [JDK 27]() Tags: [intellij-idea](), [java](), [java-27](), [jdk-27](), [news]() ### 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]() Original publisher: [Read original article]() Author: On September Published: 2026-09-15T00:00:00Z Content type: release Language: en Sources: [Inside Java]() Topics: [JDK 27](), [Java](), [Security](), [Cryptography](), [Quantum Computing]() Tags: [announce](), [cryptography](), [improvements](), [java](), [jdk](), [jdk-27](), [oracle](), [quantum](), [security]() ### 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]() Original publisher: [Read original article]() Author: Michael Redlich Published: 2026-09-14T20:15:00Z Content type: news Language: en Sources: [InfoQ]() Topics: [Java](), [Concurrency](), [JDK 27](), [releases](), [Jakarta EE](), [Gradle](), [Groovy]() Tags: [2026](), [architecture-design](), [concurrency](), [development](), [gradle](), [groovy](), [jakarta-ee](), [java](), [java-news-roundup-sep07-2026](), [jdk-27](), [jdk-28](), [kotlin](), [micronaut](), [news](), [open-jdk](), [open-liberty](), [refactorfirst](), [releases](), [spring-framework](), [tornadovm]() ### 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]() Original publisher: [Read original article]() Author: Billy Korando Published: 2026-09-13T00:00:00Z Content type: article Language: en Sources: [Inside Java]() Topics: [JDK 27]() Tags: [java](), [jdk](), [jdk-27](), [livestream](), [release](), [review]() ### 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]() Original publisher: [Read original article]() Author: Billy Korando Published: 2026-09-12T00:00:00Z Content type: release Language: en Sources: [Inside Java]() Topics: [JDK 27](), [Release notes](), [releases](), [Java]() Tags: [env-file-security](), [gc](), [jdk-27](), [memory](), [net-conf](), [passwords](), [performance](), [release](), [release-notes]() ### 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! ## Spring Office Hours Podcast: S5E22 - Live from KCDC DevFeed: [Spring Office Hours Podcast: S5E22 - Live from KCDC]() Original publisher: [Read original article]() Author: danvega Published: 2026-09-09T00:00:00Z Content type: article Language: en Sources: [Spring]() Topics: [Spring AI](), [Java](), [JDK 27]() Tags: [ai](), [batch](), [boot](), [cloud](), [conference](), [event-driven](), [events](), [java](), [jdk-27](), [live-stream](), [microservices](), [podcast](), [reactive](), [serverless](), [spring](), [web-applications]() ### 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]() Original publisher: [Read original article]() Author: Shawn Emery Published: 2026-09-03T00:00:00Z Content type: article Language: en Sources: [Inside Java]() Topics: [Java](), [JDK 27](), [JDK 28](), [Security](), [Post-Quantum]() Tags: [crypto](), [ed25519](), [java](), [jdk](), [jdk-27](), [jdk-28](), [performance](), [post-quantum](), [security](), [tls](), [x86]() ### 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.