Java 27 support in IntelliJ IDEA Early Access Program
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Does the current version of IntelliJ IDEA Early Access Program (2026.1 EAP 1) support Java 27 (https://jdk.java.net/27/)? Thank you very much.
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It is not supported yet and we are working on Java 26 as for now: IDEA-380547
Yes, IntelliJ IDEA 2026.1 EAP 1 should support Java 27 early-access builds. Just add the JDK 27 EAP as your project SDK and check for any limitations, since support may still be evolving while Java 27 is under development.
Hey there,
IDEA-380547 has been fixed, and Java 26 is now supported in IntelliJ IDEA, please refer documentation for more details – https://www.jetbrains.com/help/idea/supported-java-versions.html#2026
We’re currently working on IDEA-386758 to add support for Java 27. Downloading the Early-Access JDK 27 version is already available through IntelliJ IDEA 2026.2.
You’re welcome to subscribe to the issue to get updates on its progress. See this article SUPPORT-A-1737 How to follow YouTrack issues and receive notifications if you aren’t familiar with our bug tracking system.