IntelliJ Platform Plugin SDK Help

Content Updates

This page lists notable additions and updates to the SDK documentation and code samples.

Follow JBPlatform on Twitter and visit JetBrains Platform Blog for the latest announcements.

See GitHub Changelog (RSS) for a detailed changelog.



IDE Infrastructure
IDE Infrastructure handles Logging, Error Reporting, Runtime Information, and how to provide Context Help.
Extension Point Lists: Listeners, Deprecation status
Extension Point List now contains sections listing all provided Listener Topics. See also corresponding Extension Point Lists under Part VIII - Product Specific. Also, all deprecated API now has a dedicated tag.


Plugin Signing
Plugin Signing describes the plugin signing process, explains how to generate a certificate, configure the Gradle signPlugin task, and introduces a standalone CLI tool.


Testing FAQ
Testing FAQ page lists common issues, useful classes, and techniques for writing and maintaining tests.
Documentation Provider
Add Documentation section with an accompanying tutorial that show how to implement a DocumentationProvider for custom languages.


IDE specific Extension Point Lists
See Part VIII - Product Specific.
New Guide - Explore the IntelliJ Platform API
Add a new section Explore the IntelliJ Platform API that describes how plugin authors work with the IntelliJ Platform API and what tools they use.


Element Patterns
Add a new section about Element Patterns that are used when implementing Completion Contributors or PSI Reference Contributors.
Editor - Text Selection
Add a new section about Text Selection EPs and describe ExtendWordSelectionHandler.
SDK Setup Assistance
Added a code sample to the SDK tutorial that expands on assisting in the setup of an SDK.
Unified AST
Unified Abstract Syntax Tree (UAST) allows providing features that will work across all supported JVM languages (Java, Kotlin, Scala, Groovy).



IntelliJ Platform Explorer
Explore usages of Extension Points in open-source plugins using IntelliJ Platform Explorer.


Extension Point List
All EPs available in IJ Platform and Android can now be browsed conveniently.


README added to Code Samples
All code samples used in this guide now come with README, making it easier to browse them. They can be conveniently accessed via a separate GitHub repository.


Dynamic Plugins update
Added new sections Code and Troubleshooting to Dynamic Plugins.
GitHub IntelliJ Platform Plugin Template
Create new plugins with a preconfigured project scaffold and CI in one click.
Disposer & Disposable
Added reference discussing resource cleanup/management.


Settings (Preferences)
Added guide and tutorial on integrating with IDE Settings dialog.
UI Inspector
Inspect Swing components and associated data (like AnAction for menu item) using UI Inspector.


JCEF Support (Experimental Feature)
Allows embedding Chromium-based browser in the IDE.


All Code Samples converted to Gradle
All samples now use the recommended solution of setting up plugin projects.


Custom Language Support Tutorial converted to Gradle
The corresponding tutorial and Testing a Custom Language Plugin have been updated and enhanced as well.
Targeting specific IDEs
Part VIII - Product Specific has been expanded massively, now also covering each IDE with its dedicated page.



Dynamic Plugins support
Added starting point Dynamic Plugins for migrating plugins (IntelliJ Platform 2020.1 and later).
Plugin Components migration
Components being a legacy feature, the updated page describes migrating them to modern replacement API.


Part X - Plugin Repository moved
All contents have been moved to JetBrains Marketplace documentation.


New page: Optimizing Performance
How to improve performance working with PSI, indexing, and avoiding UI freezes.


New Page: Kotlin UI DSL
Describes preferred way of building UI/dialogs for IntelliJ Platform 2019.2 and later.
Last modified: 21 September 2021