# 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