I tried to update all my pods. That worked too, but since then I have received hundreds of warnings in Xcode.
pod update
[...]
Pod installation complete! There are 12 dependencies from the Podfile and 23 total pods installed.
All warnings look something like this. Before the update, I had none of these.
Project: IOS Deployment Target: 10.0
All Targets: Deployment Target: 10.0
Does somebody has any idea?