[//]: # (title: IntelliJ Platform SDK)
[](https://confluence.jetbrains.com/display/ALL/JetBrains+on+GitHub) [](https://twitter.com/JBPlatform/) [](https://plugins.jetbrains.com/slack)
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
SDK Docs Trail
|
Webinar
|
* [](intellij_platform.md)
* [](about.md)
* [](plugin_alternatives.md)
* [](getting_started.md)
* [](explore_api.md)
* [](useful_links.md)
* [](learning_resources.md)
|
Watch [Busy Plugin Developers #0](https://www.youtube.com/watch?v=-6D5-xEaYig) to get started with developing plugins and publishing on [JetBrains Marketplace](https://plugins.jetbrains.com).
|
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 Gradle build script [](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.
[Subscribe to Marketplace Developer News](https://jb.gg/mp-updates) to receive news and announcements.
Follow [JBPlatform](https://twitter.com/JBPlatform/) on Twitter and visit [JetBrains Platform Blog](https://blog.jetbrains.com/platform/).
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).
## Contribute
This guide is Open Source and licensed under Apache 2.0 and
[contributions](intellij-sdk-docs-original_CONTRIBUTING.md) are very welcome.
See also [](platform_contributions.md).