Unreal Engine Issues

Crash exiting play in vr preview with -Vulkan and Oculus Rift

Editor crashes after exiting a play in vr session with -Vulkan enabled Exclusive to Oculus Rift ...

Ensure in FOnlineSubsystemSteam::Shutdown when using OSS Adapter

This looks to occur because of the order in which the OSS Adapter module and Steam OSS module are shut down. The OSS Adapter holds onto references to the OSS's interfaces, so when the Steam OSS modu ...

BP nativization emits incorrect C++ code for noexport-typed struct field access in some cases.

In BlueprintCompilerCppBackendUtils.cpp: #define MAP_BASE_STRUCTURE_ACCESS(x) \ BaseStructureAccessorsMap.Add(x, TEXT("#x")) Needs to be changed to: #define MAP_BASE_STRUCTURE_ACCESS(x) \ ...

A Blueprint containing an array Swap node will fail to be nativized.

Blueprint assets that utilize an array "swap" node to swap elements cannot currently be converted to C++. Current workaround: Either avoid use of the "swap" node or exclude the Blueprint asset from ...

Custom UVs don't store information properly in layered materials.

[Link Removed] I have this set up so that FX artists can stack UV manipulations, so I don't want to just have all the UV manipulation in the layer with the base color, even though that does give me ...

[CrashReport] Assertion failed: GetOuter()==NULL in UE4Editor_Core!FText::IsEmpty

This is a top 10 crash affecting many users. It is believed it may be related to the auto listen / reimport feature. The callstack shares similarities to past tickets, such as:[Link Removed][Link R ...

[CrashReport] UE4Editor_Slate!FDelegateBase::Unbind()

This is a common crash affecting users in 4.16. User Descriptionstrying to import a texture D: Source Context 137 /** 138 * Unbinds this delegate 139 */ 140 ...

Cannot build project for the Development configuration after adding a new UFactory code class

Adding a new custom UFactory code class to a project results in no longer being able to build the project for the Development configuration. Prior to adding the UFactory code class the project can b ...

Crash when closing a connection from listen server when using

Ensure triggered upon improper math expression

An ensure is triggered upon entering an improper math expression. ...