I created a completely fresh jetpack compose project (from the project template) with Android Studio 4.0 Canary 6 and I attempted to add room dependencies. Here is my app-level
Should be fixed in 1.3.61... but Jetpack Compose compiler plugin is not updated.
You can find more information in the following YouTrack issue: IR (Jetpack Compose), KAPT, Room: "AssertionError: IR backend shouldn't call KotlinTypeMapper.mapType: MainActivity". Last comment states that:
The problem here is that JetPack Compose hasn't updated its internal Kotlin compiler to 1.3.61 yet. We'll see what we can do about it.
Also, the following issue in Google Issue Tracker: Annotation processors fail when compose is enabled