I have tried 0.1.1 and it worked but now having the same issue with native-coroutines and/or native-serialization. I am using Gradle 4.7 and have metadata enabled. I did notice that this only happens when I use a cinterops block to define a dependency on an objC/Swift library in that module's iOS target.
The build file can be found here: https://github.com/RubyLichtenstein/Kotlin-Multiplatform-Firebase/blob/ios/common-all/build.gradle