"cant connect to iOS agent"
Xcode 7.0 beta 4 needs icu4c 54, but 55 is active.
Fix/Hack: Link all *.55.dylib
to *.54.dylib
in /usr/local/opt/icu4c/lib
Getting this error in logs.
Application Specific Information:
dyld: in dlopen()
/Library/Developer/CoreSimulator/Profiles/Runtimes/iOS 8.1.simruntime/Contents/Resources/RuntimeRoot/usr/lib/system/host/liblaunch_sim.dylib
Rename/Remove /Library/Developer/CoreSimulator/*