Seems that samples are broken they show "

//Unresolved: ...

for example: https://developer.android.com/reference/kotlin/androidx/ui/layout/LayoutSize https://developer.android.com/reference/kotlin/androidx/compose/Pivotal

Yes, this will be fixed in the next release and its corresponding documentation. In the meantime, you can find the sample source in the main git repo, such as: https://cs.android.com/androidx/platform/frameworks/support/+/androidx-master-dev:compose/compose-runtime/samples/src/main/java/androidx/compose/samples/PivotalSamples.kt Sorry for the inconvenience!