| # What is Jetpack? |
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|  |
| |
| ## Ethos |
| |
| To create recommended components, tools, and guidance that makes it quick and |
| easy to build great Android apps, including pieces both from Google and from |
| trusted OSS sources. |
| |
| ## Team mission |
| |
| To improve the Android developer experience by providing architectural guidance, |
| addressing common pain points, and simplifying the app development process |
| through broad compatibility across Android versions and elimination of |
| boilerplate code so developers can focus on what makes their app special. |
| |
| ## What is `androidx`? |
| |
| Artifacts within the `androidx` package comprise the libraries of |
| [Android Jetpack](https://developer.android.com/jetpack). |
| |
| Libraries in the `androidx` package provide functionality that extends the |
| capabilities of the Android platform. These libraries, which ship separately |
| from the Android OS, focus on improving the experience of developing apps |
| through broad OS- and device-level compatibility, high-level abstractions to |
| simplify and unify platform features, and other new features that target |
| developer pain points. |
| |
| ## What happened to the Support Library? |
| |
| As part of the Jetpack project to improve developer experience on Android, the |
| Support Library team undertook a massive refactoring project. Over the course of |
| 2017 and 2018, we streamlined and enforced consistency in our packaging, |
| developed new policies around versioning and release, and developed tools to |
| make it easy for developers to migrate. |
| |
| Revision `28.0.0` of the Support Library, which launched as stable in September |
| 2018, was the last feature release in the `android.support` package. There will |
| be no further releases under Support Library packaging. |
| |
| ## Quick links |
| |
| ### Filing an issue |
| |
| Have a bug or feature request? Please check our |
| [public Issue Tracker component](http://issuetracker.google.com/issues/new?component=192731&template=842428) |
| for duplicates first, then file against the appropriate sub-component according |
| to the library package or infrastructure system. Learn more at |
| [Issue tracking](onboarding.md#tracking-bugs). |
