Has there been any progress on this front? I seem to be running into the same crash (stack trace below). Any insights into what may be causing this would be helpful. (libobjc.A.dylib + 0x00023c10)objc_release (libsystem_blocks.dylib + 0x00001780)_Block_release (UIKitCore + 0x00fcfd04)-[_UIAfterCACommitBlock run] (UIKitCore + 0x00b3f7d8)_runAfterCACommitDeferredBlocks (UIKitCore + 0x00b2eca4)_cleanUpAfterCAFlushAndRunDeferredBlocks (UIKitCore + 0x00b5fff4)_afterCACommitHandler (CoreFoundation + 0x00099584)CFRUNLOOP_IS_CALLING_OUT_TO_AN_OBSERVER_CALLBACK_FUNCTION (CoreFoundation + 0x00093bb4)__CFRunLoopDoObservers (CoreFoundation + 0x00094150)__CFRunLoopRun (CoreFoundation + 0x00093814)CFRunLoopRunSpecific (GraphicsServices + 0x0000356c)GSEventRunModal (UIKitCore + 0x00b300e4)-[UIApplication _run] (UIKitCore + 0x00b35660)UIApplicationMain ([REDACTED] -main.m:18)main (libdyld.dylib + 0x0000113c)start