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title: IntelliJ Platform SDK
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  - /index.html
---

[![official JetBrains project](https://jb.gg/badges/official-flat-square.svg)](https://confluence.jetbrains.com/display/ALL/JetBrains+on+GitHub)

Welcome to the _IntelliJ Platform_ SDK. This is the primary source of documentation for extending the _IntelliJ Platform_, by creating plugins, custom language support or building a custom IDE.

## Getting Started

* [**What is the IntelliJ Platform?**](intro/intellij_platform.md)
* [**About this Guide**](intro/about.md)
    * [**Key Topics**](intro/key_topics.md)
* [**Getting Help**](intro/getting_help.md)
* [**Getting Started**](/basics/getting_started.md)
* [**Useful Links**](/appendix/resources/useful_links.md)

## Updates
See [Recently Updated](recently_updated.md) ([RSS](https://github.com/JetBrains/intellij-sdk-docs/commits/master.atom)) for latest changes. Follow [JBPlatform](https://twitter.com/JBPlatform/) on Twitter and visit [JetBrains Platform Blog](https://blog.jetbrains.com/platform/) for latest announcements.

Upgrading your plugin to the latest platform release? Make sure to check [Incompatible Changes](reference_guide/api_changes_list.md) as well as [Notable Changes and Features](reference_guide/api_notable/api_notable.md). 

[Dynamic Plugins](/basics/plugin_structure/dynamic_plugins.md) are coming in 2020.1. We've also published our roadmap for the IntelliJ Platform for 2020: [Part I](https://blog.jetbrains.com/idea/2019/12/intellij-platform-roadmap-for-2020/) [Part II](https://blog.jetbrains.com/idea/2020/01/intellij-based-ide-features-roadmap-for-2020/)

> **NOTE** If your plugin depends on Java functionality and targets 2019.2 or later, please make sure to follow the steps from this [blog post](https://blog.jetbrains.com/platform/2019/06/java-functionality-extracted-as-a-plugin/).

## Open Source
This guide is Open Source, and licensed under Apache 2.0. The source (as Markdown) is [hosted on GitHub](https://github.com/JetBrains/intellij-sdk-docs). 
Please see [CONTRIBUTING.md](CONTRIBUTING.md) for details on how to host the docs locally and contribute.

Please see [Getting Help](/intro/getting_help.md) if you encounter bugs in this guide or require help with missing content.