JetBrains Platform

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…