Every time a debug build is performed, the port changes, thus the debugger.plist changes and forces a rebuild. This is the desired effect for device and packaged builds, but is unnecessary for simulator builds since we don't need to run Xcode and sign the app to run in the simulator.
1. Create a iOS project
2. Debug for iOS (will open simulator)
3. Change Studio console log level to "trace"
4. Debug again for iOS
5. Inspect console and see that there is no full rebuilds due to debugger.plist changing
Note: this ONLY affects simulator builds.