JetBrains Platform

Plugin and extension development for JetBrains products.

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On June 16, 2026, JetBrains received reports about 15 third-party plugins on JetBrains Marketplace that were built to steal AI provider API keys configured by users. We removed the plugins from Marketplace, blocked the related publisher accounts, and disabled the plugins in installed IDEs through ou…

The source code of the IntelliJ project was recently migrated to Java 11. We still have some modules which are compiled to be compatible with older Java versions to support running users’ projects under these versions. However most of the platform and plugin modules use Java 11 now, and the upcoming…

In the latest EAP build of IntelliJ IDEA 2019.2 we’ve extracted Java functionality into a separate plugin. This separates the Java implementation from the “platform” part of IntelliJ IDEA and introduces some flexibility for the future. For example, we could include Java functionality as a plugin to …

Since we started development on IDEA, every nightly build of each IntelliJ-based IDE was tagged in the intellij-community repository on GitHub. After 18 years of development and having 10 products, we now have more than 68,000 tags in the repository! This many tags causes performance issues with git…

When building an IntelliJ based IDE, we've historically packed class files from implementation modules into a single big JAR. For example, for IntelliJ IDEA Ultimate this was idea.jar. However most of the classes in that JAR were IntelliJ Platform classes which are included in all IntelliJ-based IDE…

JetBrains Platform

ide

JetBrains Marketplace Ecosystem Security Update: Addressing Malicious Third-Party AI Plugins

IntelliJ project migrates to Java 11

Java functionality extracted as a plugin

Cleaning up tags on GitHub

Updated guidance for module JARs in IntelliJ based IDEs