qrc:/qt-project.org/imports/QtQuick/Controls.2/ApplicationWindow.qml: Conflicting properties 'visible' and 'visibility' for Window 'window' qrc:/qt-project.org/imports/QtQuick/Controls.2/ApplicationWindow.qml: Conflicting properties 'visible' and 'visibility' for Window 'window' stale focus object 0x0 , doing manual update stale focus object 0x0 , doing manual update Modifying properties of a view's layer off the main thread is not allowed: view with nearest ancestor view controller ; backtrace: ( 0 UIKitCore 0x000000019740a920 7AA438B3-9711-382F-AC72-F18E3E6E31C6 + 4802848 1 UIKitCore 0x0000000196f9bd34 7AA438B3-9711-382F-AC72-F18E3E6E31C6 + 154932 2 QuartzCore 0x000000019635d968 11118903-4DEA-370F-8565-FBA1257BCEA5 + 96616 3 QuartzCore 0x000000019635d7e0 11118903-4DEA-370F-8565-FBA1257BCEA5 + 96224 4 QuartzCore 0x00000001963d22a8 11118903-4DEA-370F-8565-FBA1257BCEA5 + 574120 5 QuartzCore 0x00000001965649a0 11118903-4DEA-370F-8565-FBA1257BCEA5 + 2222496 6 OpenGLES 0x00000001f52108e4 0EFC2074-1A56-3D85-A44F-9DCEA4DE0EE4 + 26852 7 MyApp 0x0000000103441f20 _ZN11QIOSContext11makeCurrentEP16QPlatformSurface + 612 8 MyApp 0x0000000103958034 _ZN14QOpenGLContext11makeCurrentEP8QSurface + 176 9 MyApp 0x00000001037624c4 _ZN15QSGRenderThread3runEv + 528 10 MyApp 0x0000000103f8c46c _ZN14QThreadPrivate5startEPv + 284 11 libsystem_pthread.dylib 0x00000001f283a68c _pthread_start + 104 12 libsystem_pthread.dylib 0x00000001f283a498 thread_start + 8 ) stale focus object 0x302e22b50 , doing manual update stale focus object 0x302dac9a0 , doing manual update stale focus object 0x302dacfd0 , doing manual update stale focus object 0x302dadfa0 , doing manual update stale focus object 0x302dae5d0 , doing manual update stale focus object 0x302e22b50 , doing manual update stale focus object 0x302dac9a0 , doing manual update stale focus object 0x302dacfd0 , doing manual update stale focus object 0x302dadfa0 , doing manual update stale focus object 0x302dae5d0 , doing manual update Execution of the command buffer was aborted due to an error during execution. Caused GPU Timeout Error (00000002:kIOGPUCommandBufferCallbackErrorTimeout) Execution of the command buffer was aborted due to an error during execution. Caused GPU Timeout Error (00000002:kIOGPUCommandBufferCallbackErrorTimeout) Execution of the command buffer was aborted due to an error during execution. Caused GPU Timeout Error (00000002:kIOGPUCommandBufferCallbackErrorTimeout) Execution of the command buffer was aborted due to an error during execution. Caused GPU Timeout Error (00000002:kIOGPUCommandBufferCallbackErrorTimeout) Execution of the command buffer was aborted due to an error during execution. Caused GPU Timeout Error (00000002:kIOGPUCommandBufferCallbackErrorTimeout) Execution of the command buffer was aborted due to an error during execution. Caused GPU Timeout Error (00000002:kIOGPUCommandBufferCallbackErrorTimeout) Execution of the command buffer was aborted due to an error during execution. Ignored (for causing prior/excessive GPU errors) (00000004:kIOGPUCommandBufferCallbackErrorSubmissionsIgnored) Terminating due to blacklisting by kernel driver