Yesterday after update pods, a have this 74 errors.
Undefined symbols for architecture arm64:   "_OBJC_CLASS_$_TWTRDateUtil", referenced from:
      objc-class-ref in TwitterKit(TWTRTweetView.o)
      objc-class-ref in TwitterKit(TWTRDateFormatter.o)   "_OBJC_CLASS_$_TWTRScribeService", referenced from:
      objc-class-ref in TwitterKit(Twitter.o)   "_OBJC_CLASS_$_TWTRGuestSessionManager", referenced from:
      objc-class-ref in TwitterKit(Twitter.o)   "_TWTRCoreVersion", referenced from:
      +[Twitter assertValidTwitterCoreVersion] in TwitterKit(Twitter.o)   "_TWTRUserSessionVerifierIntervalDaily", referenced from:
      -[Twitter kitDidFinishStarting] in TwitterKit(Twitter.o)   "_TWTRNetworkingUserAgentHeaderKey", referenced from:
      -[Twitter startWithConsumerKey:consumerSecret:] in TwitterKit(Twitter.o)   "_TWTRAuthAppOAuthDeniedKey", referenced from:
      -[TWTRWebAuthenticationProvider requestAccessTokenWithAuthResponse:completion:] in TwitterKit(TWTRWebAuthenticationProvider.o)
linker command failed with exit code 1.
My new pods:
pod 'Fabric'
pod 'TwitterKit'
pod 'Crashlytics'
Before:
pod 'Fabric/Core', '~> 1.2.3'
pod 'Fabric/Crashlytics', '~> 1.2.3'
pod 'Fabric/Twitter', '~> 1.2.3'
This answers don't help me: add your Twitter Library, add libstdc++
Also I try add Twitter.Framework, Social.framework, Accounts.framework.
I use two big libs with Linker Flags -ObjC
 
     
    