Recently, Fabric has been acting really buggy freezing up and mass opening many browser tabs. If you use Fabric and don’t use the app or don’t want it to launch everytime you build your XCode project, you have a couple options.
Option #1 Prevent Fabric from launching after uploading your project’s DSYM file.
Open up the run script: Pods/Fabric/run and change:
eval $DIR$PATH_SEP$UPLOAD_COMMAND > /dev/null 2>&1 &
eval $DIR$PATH_SEP$UPLOAD_COMMAND;killall Fabric > /dev/null 2>&1 &
Option #2 Only upload DSYM when archiving builds for release.
Check the “Run script only when installing” option under Build Phases: