SamD and I noticed that in 4.17 the GearVRController component wasn't appearing in searches in the editor.
This crash doesn't occur in 4.16.1
1. Open the attached project in 4.17
2. Open the GearVR_Pawn_MotionController_PickUpItsesm BP for edit
RESULT:
Access Violation
UE4Editor_CoreUObject!FPropertyTag::FPropertyTag() propertytag.cpp:58
UE4Editor_CoreUObject!FPropertyTag::FPropertyTag() propertytag.cpp:58 UE4Editor_CoreUObject!UStruct::SerializeTaggedProperties() class.cpp:1133 UE4Editor_CoreUObject!UObject::SerializeScriptProperties() obj.cpp:1282 UE4Editor_CoreUObject!UObject::Serialize() obj.cpp:1216 UE4Editor_Engine!FCPFUOWriter::FCPFUOWriter() unrealengine.cpp:11589 UE4Editor_Engine!UEngine::CopyPropertiesForUnrelatedObjects() unrealengine.cpp:11698 UE4Editor_UnrealEd!FBlueprintCompileReinstancer::CopyPropertiesForUnrelatedObjects() kismetreinstanceutilities.cpp:2159 UE4Editor_Kismet!FBlueprintCompilationManagerImpl::ReinstanceBatch() blueprintcompilationmanager.cpp:1081 UE4Editor_Kismet!FBlueprintCompilationManagerImpl::FlushCompilationQueueImpl() blueprintcompilationmanager.cpp:755 UE4Editor_Engine!UBlueprintGeneratedClass::ConditionalRecompileClass() blueprintgeneratedclass.cpp:260 UE4Editor_CoreUObject!FScopedClassDependencyGather::~FScopedClassDependencyGather() blueprintsupport.cpp:372 UE4Editor_CoreUObject!FLinkerLoad::CreateExport() linkerload.cpp:3989 UE4Editor_CoreUObject!FLinkerLoad::IndexToObject() linkerload.cpp:4205 UE4Editor_CoreUObject!FLinkerLoad::CreateExport() linkerload.cpp:3676 UE4Editor_CoreUObject!FLinkerLoad::IndexToObject() linkerload.cpp:4205 UE4Editor_CoreUObject!FLinkerLoad::CreateExport() linkerload.cpp:3676 UE4Editor_CoreUObject!FLinkerLoad::CreateExportAndPreload() linkerload.cpp:2722 UE4Editor_CoreUObject!FLinkerLoad::LoadAllObjects() linkerload.cpp:2869 UE4Editor_CoreUObject!LoadPackageInternal() uobjectglobals.cpp:1303 UE4Editor_CoreUObject!LoadPackage() uobjectglobals.cpp:1403 UE4Editor_CoreUObject!ResolveName() uobjectglobals.cpp:781 UE4Editor_CoreUObject!StaticLoadObjectInternal() uobjectglobals.cpp:869 UE4Editor_CoreUObject!StaticLoadObject() uobjectglobals.cpp:936 UE4Editor_ContentBrowser!FAssetData::GetAsset() assetdata.h:276 UE4Editor_ContentBrowser!SContentBrowser::OnAssetsActivated() scontentbrowser.cpp:1922 UE4Editor_ContentBrowser!TBaseSPMethodDelegateInstance<0,SContentBrowser,0,TTypeWrapper<void> __cdecl() delegateinstancesimpl.h:327 UE4Editor_ContentBrowser!TBaseSPMethodDelegateInstance<0,SContentBrowser,0,void __cdecl() delegateinstancesimpl.h:434 UE4Editor_ContentBrowser!SAssetView::OnListMouseButtonDoubleClick() sassetview.cpp:3862 UE4Editor_ContentBrowser!TBaseSPMethodDelegateInstance<0,SAssetView,0,TTypeWrapper<void> __cdecl() delegateinstancesimpl.h:327 UE4Editor_ContentBrowser!TBaseSPMethodDelegateInstance<0,SAssetView,0,void __cdecl() delegateinstancesimpl.h:434 UE4Editor_ContentBrowser!TBaseDelegate<void,TSharedPtr<FAssetViewItem,0> >::ExecuteIfBound() delegatesignatureimpl.inl:624 UE4Editor_ContentBrowser!SListView<TSharedPtr<FAssetViewItem,0> >::Private_OnItemDoubleClicked() slistview.h:805 UE4Editor_ContentBrowser!STableRow<TSharedPtr<FAssetViewItem,0> >::OnMouseButtonDoubleClick() stablerow.h:288 UE4Editor_Slate!<lambda_eeb33fd1b480e3cad58a1531d90d2e14>::operator() slateapplication.cpp:5635 UE4Editor_Slate!FEventRouter::Route<FReply,FEventRouter::FBubblePolicy,FPointerEvent,<lambda_eeb33fd1b480e3cad58a1531d90d2e14> >() slateapplication.cpp:232 UE4Editor_Slate!FSlateApplication::RoutePointerDoubleClickEvent() slateapplication.cpp:5633 UE4Editor_Slate!FSlateApplication::ProcessMouseButtonDoubleClickEvent() slateapplication.cpp:5620 UE4Editor_Slate!FSlateApplication::OnMouseDoubleClick() slateapplication.cpp:5596 UE4Editor_Core!FWindowsApplication::ProcessDeferredMessage() windowsapplication.cpp:1710 UE4Editor_Core!FWindowsApplication::DeferMessage() windowsapplication.cpp:2149 UE4Editor_Core!FWindowsApplication::ProcessMessage() windowsapplication.cpp:869 UE4Editor_Core!FWindowsApplication::AppWndProc() windowsapplication.cpp:709 user32!<Unknown> user32!<Unknown> UE4Editor_Core!FWindowsPlatformMisc::PumpMessages() windowsplatformmisc.cpp:1009 UE4Editor!FEngineLoop::Tick() launchengineloop.cpp:3151 UE4Editor!GuardedMain() launch.cpp:166 UE4Editor!GuardedMainWrapper() launchwindows.cpp:134 UE4Editor!WinMain() launchwindows.cpp:210 UE4Editor!__scrt_common_main_seh() exe_common.inl:253 kernel32!<Unknown> ntdll!<Unknown>
There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-47055 in the post.