Android Studio 3.2 Canary  3 is now available in the Canary and Dev channels.
This update includes fixes for the following public issues:
  • Issue#72475703: ObsoleteLintCustomCheck reported for third party libs and not ignorable from lint.xml
  • Issue#72756166: AGP 3.1-beta1 StringDef Lint Error



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.