How to shorten build time of Flutter iOS app using fastlane?
I had same problem that I fixed with precompiled binaries of Cloud Firestore framework from https://github.com/invertase/firestore-ios-sdk-frameworks like this:
target 'Runner' do
pod 'FirebaseFirestore', :git => 'https://github.com/invertase/firestore-ios-sdk-frameworks.git', :tag => '6.26.0'
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