'keyWindow' is deprecated: first deprecated in iOS 13.0

[mr-slonn]

When building for iOS 15, I receive the following notification:

return [UIApplication sharedApplication].keyWindow.rootViewController;
/.pub-cache/hosted/pub.dev/open_filex-4.5.0/ios/Classes/OpenFilePlugin.m:34:46 'keyWindow' is deprecated: first deprecated in iOS 13.0 - Should not be used for applications that support multiple scenes as it returns a key window across all connected scenes

[crazecoder]

Unfortunately, open_filex is not maintained by me, you can try to contact its maintainer, or change it to open_file