[//]: # (title: IntelliJ Platform SDK)

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Welcome to the IntelliJ Platform SDK - the primary source of documentation for extending the IntelliJ Platform by creating plugins, custom language support, or building a custom IDE.

## Getting Started

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SDK Docs Trail
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Webinar
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* [What is the IntelliJ Platform?](intellij_platform.md)
* [About this Guide](about.md)
    * [Key Topics](key_topics.md)
    * [Getting Help](getting_help.md)
* [](plugin_alternatives.md)
* [Creating Your First Plugin](getting_started.md)
* [](useful_links.md)
* [](learning_resources.md)
* [Marketing](marketing.md)

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Watch [Busy plugin developers series. Episode 0](https://www.youtube.com/watch?v=-6D5-xEaYig) to get started with developing plugins and publishing on [JetBrains Marketplace](https://plugins.jetbrains.com).
<br/>
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<video href="-6D5-xEaYig" title="Busy plugin developers series. Episode 0" width="300"/>

More webinars are available [here](learning_resources.md#webinars).

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

## Updates

> Gradle IntelliJ Plugin 1.x is now available, please update your build scripts [![GitHub Release](https://img.shields.io/github/release/jetbrains/gradle-intellij-plugin.svg?style=flat-square)](https://github.com/jetbrains/gradle-intellij-plugin/releases)
>
> [What's New & Upgrade Instructions](https://lp.jetbrains.com/gradle-intellij-plugin)
>
{type="note"}

See [Content Updates](content_updates.md) for the latest changes.
Follow [JBPlatform](https://twitter.com/JBPlatform/) on Twitter and visit [JetBrains Platform Blog](https://blog.jetbrains.com/platform/) for the latest announcements.

Upgrading your plugin to the latest platform release? Make sure to check [Incompatible Changes](api_changes_list.md) as well as [Notable Changes and Features](api_notable.md).
Verify your plugin follows guidelines from [Dynamic Plugins](dynamic_plugins.md) to allow installing/updating without IDE restarts.

## Contribute

This guide is Open Source and licensed under Apache 2.0.
[Contributions](intellij-sdk-docs-original_CONTRIBUTING.md) are very welcome.