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Since iOS 11 has been available (11.0 to 11.0.3), we have been getting these crashes. I'm can only assume these crashes are occurring when either the map view or a map tile is being destroyed. However, we cannot reproduce the problem internally. This crash is being reported by Hockey.Given that this crash is always on thread 0 (i.e., the main thread), we're not sure where to start investigating. It is "normal" for anything UI-related to setup and teardown on the main thread and none of the crashed stack frames contains a reference to code that we wrote.Has anyone come across Texture2D crashes on dealloc?Exception Type: SIGSEGV Exception Codes: SEGV_ACCERR at 0xbadd9a85ba4fbebd Crashed Thread: 0 Thread 0 Crashed: 0 VectorKit 0x0000000193c6b744 ggl::Texture2D::~Texture2D() + 92 1 libc++.1.dylib 0x0000000183456f64 std::__1::__shared_weak_count::__release_shared() + 68 2 VectorKit 0x0000000193d33bf0 -[VKRasterTile .cxx_destruct] + 168 3 libobjc.A.dylib 0x000000018349eef4 object_cxxDestructFromClass(objc_object*, objc_class*) + 144 4 libobjc.A.dylib 0x00000001834ac638 objc_destructInstance + 84 5 libobjc.A.dylib 0x00000001834ac690 object_dispose + 12 6 VectorKit 0x0000000193c3e1e8 -[VKTile dealloc] + 64 7 VectorKit 0x0000000193c49fa4 -[VKRasterTile dealloc] + 72 8 VectorKit 0x0000000193e51f80 __destroy_helper_block_.216 + 36 9 libsystem_blocks.dylib 0x00000001839b1a60 _Block_release + 156 10 libdispatch.dylib 0x0000000183911048 _dispatch_client_callout + 12 11 libdispatch.dylib 0x000000018391db74 _dispatch_main_queue_callback_4CF$VARIANT$mp + 1012 12 CoreFoundation 0x0000000183f33f20 __CFRUNLOOP_IS_SERVICING_THE_MAIN_DISPATCH_QUEUE__ + 8 13 CoreFoundation 0x0000000183f31afc __CFRunLoopRun + 2008 14 CoreFoundation 0x0000000183e522d8 CFRunLoopRunSpecific + 432 15 GraphicsServices 0x0000000185ce3f84 GSEventRunModal + 96 16 UIKit 0x000000018d3ff880 UIApplicationMain + 204 17 <removed app name> 0x0000000104f75438 main (main.m:17) 18 libdyld.dylib 0x000000018397656c start + 0