Target app is not frontmost

Just get the 1.3.0-beta1 release. Testing on IOS8.0.2
And when testing on real device or simulator, I get Target app is not frontmost. Then the testing hangs on the splash page. And see the logs below:
Oct 20 18:28:28 iPhone ScriptAgent[461] : Warning - Target app is not frontmost
Oct 20 18:28:28 iPhone SpringBoard[51] : Unable to get short BSD proc info for 460: No such process
Oct 20 18:28:28 iPhone SpringBoard[51] : Unable to get short BSD proc info for 460: No such process
Oct 20 18:28:28 iPhone SpringBoard[51] : Unable to get short BSD proc info for 460: No such process
Oct 20 18:28:28 iPhone com.apple.xpc.launchd[1] (UIKitApplication:com.upwlabs.glowdev[0x1d2][460]) : Service exited due to signal: Killed: 9
Oct 20 18:28:28 iPhone SpringBoard[51] : Application ‘UIKitApplication:com.upwlabs.glowdev[0x1d2]’ exited abnormally via signal.
Oct 20 18:28:29 iPhone SpringBoard[51] : Unable to deliver -[UIRemoteApplication showTopMostMiniAlertWithSynchronizationPort:] message to port 0: (ipc/send) invalid destination port
Oct 20 18:28:29 iPhone locationd[58] : Gesture EnabledForTopCLient: 0, EnabledInDaemonSettings: 0
Oct 20 18:28:29 iPhone backboardd[54] : ALS: SetDisplayFactor: factor=1.0000
Oct 20 18:28:29 iPhone DTMobileIS[250] : Could not create service named com.apple.instruments.server.services.launchdaemon
Oct 20 18:28:29 iPhone DTMobileIS[250] : Could not create service named com.apple.instruments.server.services.processcontrol.posixspawn
Oct 20 18:28:29 iPhone notification_proxy[128] : 0x10060c000 -[MNPLockdownConnection receiveMessage]: lockdown_receive_message error!
Oct 20 18:28:29 iPhone notification_proxy[128] : 0x100584000 -[MNPLockdownConnection receiveMessage]: lockdown_receive_message error!