Notable Changes in IntelliJ Platform and Plugins API 2024.*

Semantic Highlight Usages can be marked as DumbAware API .

ParsingTestCase verifies that reparsing causes no changes (Parser bug).

• PerformanceTestInfo has been renamed to BenchmarkTestInfo

• PlatformTestUtil.newPerformanceTest*() methods have been renamed to PlatformTestUtil.newBenchmark*()

Does not throw during tests anymore, see issue for details.

Install from JetBrains Marketplace. Consider using Kotlin UI DSL Version 2 for forms instead.

Mark implementations as enabled during indexing, see DumbAware API .

Workspace Model represents the project's structure and all its elements and replaces the existing Project Model.

Executed asynchronously now during tests, see How to handle ProjectActivity? .

Indexes are now built asynchronously during tests, see How to handle indexing?.

No longer closes popups, see Popup Menus

Plugins using K1 API classes must adjust their usages, see Migrating Your IntelliJ IDEA Kotlin Plugin to K2 Mode.

Note changes in project setup when targeting PyCharm Professional.

Initial plugin localization capabilities.

It is now recommended to use Kotlin Coroutines for asynchronous code.

Highlighting is now performed more efficiently, please refer to Order of Running Highlighting.

Language plugins using LSP can now provide their status for Status Bar Integration.

Note change for Using ProjectRootManager as Dependency .

Saving project/application settings is no longer performed on EDT to avoid freezes. Issue

Several plugins (Cucumber Groovy, Cucumber Java) have been unbundled. The IDE will suggest installation if the project contains related framework dependency. If your plugin depends on them, users will need to install them from the JetBrains Marketplace.