RC Releases

Each version of an AndroidX library passes through four release channels while being developed. This page lists the components that have been updated to a new release candidate (RC) version. To view the entire release history for a particular component back thru January 2018, select it in the left-side menu. See the Archive section for release notes prior to 2018.

To view the current versions for every component, see the versions page.

May 18, 2022

• Core-Splashscreen Version 1.0.0-rc01
• Core Core-Ktx Version 1.8.0-rc02
• Wear Watchface Version 1.1.0-rc01

May 11, 2022

• Activity Version 1.5.0-rc01
• Benchmark Version 1.1.0-rc02
• Camera Version 1.1.0-rc01
• Core Core-Ktx Version 1.8.0-rc01
• Fragment Version 1.5.0-rc01
• Lifecycle Version 2.5.0-rc01
• Navigation Version 2.5.0-rc01
• SavedState Version 1.2.0-rc01

April 20, 2022

• Benchmark Version 1.1.0-rc01
• Drag And Drop Version 1.0.0-rc01
• Tracing Version 1.1.0-rc01

April 6, 2022

• Media Version 1.6.0-rc01

March 23, 2022

• Car App Version 1.2.0-rc01
• Mediarouter Version 1.3.0-rc01

February 9, 2022

• Emoji2 Version 1.1.0-rc01
• Games-Activity Games-Controller Version 1.1.0-rc01
• Games-Frame-Pacing Version 1.10.0-rc01

January 26, 2022

• Compose Animation Version 1.1.0-rc03
• Compose Compiler Version 1.1.0-rc03
• Compose Foundation Version 1.1.0-rc03
• Compose Material Version 1.1.0-rc03
• Compose Runtime Version 1.1.0-rc03
• Compose UI Version 1.1.0-rc03
• Games-Performance-Tuner Version 1.5.0-rc01
• Games-Text-Input Version 1.1.0-rc01
• Media Version 1.5.0-rc01

December 16, 2021

• Compose Compiler Version 1.1.0-rc02

December 15, 2021

• Compose Animation Version 1.1.0-rc01
• Compose Compiler Version 1.1.0-rc01
• Compose Foundation Version 1.1.0-rc01
• Compose Material Version 1.1.0-rc01
• Compose Runtime Version 1.1.0-rc01
• Compose UI Version 1.1.0-rc01
• CoordinatorLayout Version 1.2.0-rc01
• Core-Role Version 1.1.0-rc01
• Hilt-Navigation-Compose Version 1.0.0-rc01
• Localbroadcastmanager Version 1.1.0-rc01
• Navigation Version 2.4.0-rc01
• Preference Version 1.2.0-rc01
• ProfileInstaller Version 1.1.0-rc01
• SlidingPaneLayout Version 1.2.0-rc01
• Window Version 1.0.0-rc01

December 1, 2021

• Annotation-Experimental Version 1.2.0-rc01
• Room Version 2.4.0-rc01
• Sqlite Version 2.2.0-rc01

November 18, 2021

• Test Annotation Version 1.0.0-rc01
• Test Monitor Version 1.5.0-rc01
• Test Orchestrator Version 1.4.1-rc01
• Test Services Version 1.4.1-rc01

November 17, 2021

• Collection Version 1.2.0-rc01

Novermber 16, 2021

• Compose ConstraintLayout 1.0.0-rc02

November 3, 2021

• Car App Version 1.1.0-rc01
• Fragment Version 1.4.0-rc01
• Paging Version 3.1.0-rc01
• ShareTarget Version 1.2.0-rc01
• Wear Watchface Version 1.0.0-rc01

October 27, 2021

• Annotation Version 1.3.0-rc01
• AppCompat AppCompat-Resources Version 1.4.0-rc01
• Emoji2 Version 1.0.0-rc01
• ResourceInspection Version 1.0.0-rc01
• Wear Tiles Version 1.0.0-rc01

October 13, 2021

• Activity Version 1.4.0-rc01
• Browser Version 1.4.0-rc01
• Core Version 1.7.0-rc01

September 29, 2021

• Lifecycle Version 2.4.0-rc01
• WorkManager Version 2.7.0-rc01

September 27, 2021

• ConstraintLayout-compose 1.0.0-rc01

September 1, 2021

• Media2 Version 1.2.0-rc01
• Wear Version 1.2.0-rc01
• Wear-Phone-Interactions Wear-Remote-Interactions Version 1.0.0-rc01

August 18, 2021

• Wear-Ongoing Version 1.0.0-rc01

August 4, 2021

• Wear-Input Version 1.1.0-rc01
• WorkManager Version 2.6.0-rc01

July 22, 2021

• ConstraintLayout 2.1.0-rc01

July 21, 2021

• Datastore Version 1.0.0-rc02
• Games-Controller Version 1.0.0-rc02
• Leanback Version 1.1.0-rc02
• Startup Version 1.1.0-rc01

July 14, 2021

• Activity Version 1.3.0-rc02
• Compose Animation Version 1.0.0-rc02
• Compose Compiler Version 1.0.0-rc02
• Compose Foundation Version 1.0.0-rc02
• Compose Material Version 1.0.0-rc02
• Compose Runtime Version 1.0.0-rc02
• Compose UI Version 1.0.0-rc02
• ProfileInstaller Version 1.0.0-rc02

July 12, 2021

• Games-Activity Version 1.0.0-rc01
• Games-Controller Version 1.0.0-rc01
• Games-Text-Input Version 1.0.0-rc01

July 1, 2021

• Activity Version 1.3.0-rc01
• Compose Animation Version 1.0.0-rc01
• Compose Compiler Version 1.0.0-rc01
• Compose Foundation Version 1.0.0-rc01
• Compose Material Version 1.0.0-rc01
• Compose Runtime Version 1.0.0-rc01
• Compose UI Version 1.0.0-rc01
• ProfileInstaller Version 1.0.0-rc01

June 30, 2021

• Datastore Version 1.0.0-rc01
• Media Version 1.4.0-rc01

June 21, 2021

• Test Version 1.4.0-rc01

June 16, 2021

• Core-Google-Shortcuts Version 1.0.0-rc01
• Core Core-Ktx Version 1.6.0-rc01

June 2, 2021

• Games-Frame-Pacing Version 1.7.0-rc01
• Games-Performance-Tuner Version 1.1.0-rc01

May 5, 2021

• Core Version 1.5.0-rc02

April 21, 2021

• Camera Camera2, Core, & Lifecycle Version 1.0.0-rc05
• Paging Version 3.0.0-rc01

April 7, 2021

• Leanback Leanback-Preference Version 1.1.0-rc01

March 24, 2021

• Annotation-Experimental Version 1.1.0-rc02
• AppCompat Version 1.3.0-rc01
• Camera Camera2, Core, & Lifecycle Version 1.0.0-rc04
• Car App Version 1.0.0-rc01
• Core Core-Ktx Version 1.5.0-rc01
• Media Version 1.3.0-rc02
• RecyclerView Version 1.2.0-rc01
• Room Version 2.3.0-rc01

March 10, 2021

• Annotation-Experimental Version 1.1.0-rc01
• Media Version 1.3.0-rc01

February 24, 2021

• Annotation Version 1.2.0-rc01
• Camera Version 1.0.0-rc03

January 27, 2021

• Camera Camera2, Core, & Lifecycle Version 1.0.0-rc02
• Fragment Version 1.3.0-rc02

January 13, 2021

• Security-Crypto Version 1.0.0-rc04
• WorkManager Version 2.5.0-rc01

December 16, 2020

• Activity Version 1.2.0-rc01
• Camera Camera2, Core, & Lifecycle Version 1.0.0-rc01
• Fragment Version 1.3.0-rc01
• Lifecycle Version 2.3.0-rc01
• SavedState Version 1.1.0-rc01

December 2, 2020

• Enterprise Version 1.1.0-rc01
• ShareTarget Version 1.1.0-rc01
• Transition Version 1.4.0-rc01
• Webkit Version 1.4.0-rc02

November 11, 2020

• Autofill Version 1.1.0-rc01
• Biometric Version 1.1.0-rc01
• Browser Version 1.3.0-rc01
• Wear-Input Wear-Input-Testing Version 1.0.0-rc01
• Webkit Version 1.4.0-rc01

October 28, 2020

• Media2 Version 1.1.0-rc01

October 14, 2020

• Startup Version 1.0.0-rc01
• Tracing Version 1.0.0-rc01

October 1, 2020

• Mediarouter Version 1.2.0-rc02
• RecyclerView-Selection Version 1.1.0-rc03

September 16, 2020

• Mediarouter Version 1.2.0-rc01

September 2, 2020

• Exifinterface Version 1.3.0-rc01
• Media Version 1.2.0-rc01
• RecyclerView-Selection Version 1.1.0-rc02
• Wear Version 1.1.0-rc03

August 5, 2020

• Security Version 1.0.0-rc03
• Test Version 1.3.0-rc03
• Webkit Version 1.3.0-rc02

July 29, 2020

• ConstraintLayout 2.0.0-rc1

July 28, 2020

• Test Version 1.3.0-rc02

July 22, 2020

• AppCompat Version 1.2.0-rc02
• Concurrent Version 1.1.0-rc01

June 24, 2020

• Wear Version 1.1.0-rc02
• Webkit Version 1.3.0-rc01
• Work Version 2.4.0-rc01

June 10, 2020

• Navigation Version 2.3.0-rc01

May 28, 2020

• Test Version 1.3.0-rc01

May 20, 2020

• CustomView Version 1.1.0-rc01
• DrawerLayout Version 1.1.0-rc01
• Security Version 1.0.0-rc02
• SlidingPaneLayout Version 1.1.0-rc01

May 14, 2020

• AppCompat Version 1.2.0-rc01
• Wear Version 1.1.0-rc01

April 29, 2020

• Emoji Version 1.1.0-rc01

April 15, 2020

• Core Version 1.3.0-rc01
• Core-Role Version 1.0.0-rc01
• Security-Crypto Version 1.0.0-rc01
• Swiperefreshlayout Version 1.1.0-rc01

February 19, 2020

• Exifinterface 1.2.0-rc01
• Webkit 1.2.0-rc01

February 5, 2020

• Recyclerview Selection 1.1.0-rc01

January 8, 2020

• Fragment 1.2.0-rc05
• SQLite 2.1.0-rc01
• WorkManager 2.3.0-rc01

December 18, 2019

• Fragment 1.2.0-rc04
• Navigation 2.2.0-rc04

December 4, 2019

• Activity 1.1.0-rc03
• Browser 1.2.0-rc01
• Fragment 1.2.0-rc03
• Lifecycle 2.2.0-rc03
• Lifecycle-ViewModel-Savedstate 1.0.0-rc03
• Navigation 2.2.0-rc03
• ShareTarget 1.0.0-rc01
• Transition 1.3.0-rc02

November 20, 2019

• Core 1.2.0-rc01

November 7, 2019

• Activity 1.1.0-rc02
• Fragment 1.2.0-rc02
• Lifecycle 2.2.0-rc02
• Lifecycle Viewmodel-Savedstate 1.0.0-rc02
• Navigation 2.2.0-rc02

October 23, 2019

• Activity 1.1.0-rc01
• Annotation-Experimental 1.0.0-rc01
• Autofill 1.0.0-rc01
• Benchmark 1.0.0-rc01
• Biometric 1.0.0-rc02
• CoordinatorLayout 1.1.0-rc01
• Fragment 1.2.0-rc01
• Lifecycle 2.2.0-rc01
• Lifecycle ViewModel-SavedState 1.0.0-rc01
• Navigation 2.2.0-rc01
• Recyclerview 1.1.0-rc01
• Transition 1.3.0-rc01
• ViewPager2 1.0.0-rc01

October 9, 2019

• Biometric 1.0.0-rc01
• Enterprise 1.0.0-rc01
• Exifinterface 1.1.0-rc01
• Webkit 1.1.0-rc01

September 5, 2019

• Room 2.2.0-rc01
• Transition 1.2.0-rc01

August 22, 2019

• Media2 1.0.0-rc02

August 7, 2019

• Concurrent 1.0.0-rc01
• Core 1.1.0-rc03
• Fragment 1.1.0-rc04
• Navigation 2.1.0-rc01

July 30, 2019

• WorkManager 2.2.0-rc01

July 19, 2019

• Fragment 1.1.0-rc03

July 17, 2019

• Fragment 1.1.0-rc02

July 2, 2019

• Activity 1.0.0-rc01
• Appcompat 1.1.0-rc01
• Arch Core 2.1.0-rc01
• Core 1.1.0-rc02
• Fragment 1.1.0-rc01
• Lifecycle 2.1.0-rc01
• Preference 1.1.0-rc01
• SavedState 1.0.0-rc01 VectorDrawable 1.1.0-rc01

June 27, 2019

• WorkManager 2.1.0-rc01

June 18, 2019

• Media2 1.0.0-rc01

June 13, 2019

• Media 1.1.0-rc01
• MediaRouter 1.1.0-rc01

June 5, 2019

• Core 1.1.0-rc01
• Loader 1.1.0-rc01
• Transition 1.1.0-rc02
• VersionedParcelable 1.1.0-rc01

May 29, 2019

• Room 2.1.0-rc01

May 7, 2019

• Annotation 1.1.0-rc01
• Collection 1.1.0-rc01
• Transition 1.1.0-rc01

April 3, 2019

• WorkManager 2.0.1-rc01
• WorkManager 1.0.1-rc01

March 7, 2019

• WorkManager 2.0.0-rc01

March 6, 2019

• Navigation 2.0.0-rc02

February 26, 2019

• Navigation 1.0.0-rc02

February 21, 2019

• Navigation 1.0.0-rc01
• WorkManager 1.0.0-rc02

February 14, 2019

• WorkManager 1.0.0-rc01

December 6, 2018

• Paging 2.1.0-rc01