Android Studio 3.1 RC 1 is now available in the Beta channel.
This update includes fixes for the following public issues:
- Issue#73644073: AS 3.1 Beta 2, UnsupportedOperationException: why generate DataBindingXmlReferenceContributor$2.getReferencesByElement
- Issue#72313724: Removed jars in Desugar classpath
If you already have an Android Studio build on the Canary or Dev channel, you can get the update by clicking Help > Check for Update (or Android Studio > Check for Updates on Mac). Otherwise, you can download here.