Unreal Engine Issues

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) \ ...

Mobile Deferred Shading enabled and Preview Level Android Vulkan will crash the editor

Duplicating many Actors at once in a Level Instance while in Level Instance Edit will result in a jumbled mess of Actors on the Persistent Level

Duplicating many Actors at once in a Level Instance while in Level Instance Edit will result in a jumbled mess of Actors on the Persistent Level. The licensee has encountered this in Unreal 5.4 and ...

VS2015 Update 3 prevents the editor from compiling code

Updating Visual Studio 2015 to Update 3 prevents code projects from compiling / creating new code projects ...

'Missing Receipt' error after disabling plugin in binary build and repackaging

This was originally found with Android Launch On but also occurs Launching on to Windows with a new project. This will not reproduce when using a build from PerforceogPlayLevel: Setting up ProjectP ...

VR Preview Crash when using split screen

If the user tries to use split screen in the editor along with VR preview, the editor will crash ...

Error during packaging if nativizing a blueprint that contains a TMap with a UserDefinedEnum as a key

Certain Map container calls (e.g. Find, Add) will fail to compile at packaging time if a Blueprint class containing a Map variable with a user-defined enumeration as the key type is nativized. This ...

Crash adding subscene to a looped subscene - MovieSceneSequenceTransform.h - WarpCounts.Num() == NestedTransformsSize

Crash adding subscene to a looped subscene. Note this did not repro with brand new sequences not sure what's different about this older content. This also occurs in Release-5.0. ...

PN Tessellation and Grass Node Crash Engine

Landscape Materials which use the new Grass Output and have Tessellation turned to PNTriangles will crash the engine Also reproduced in Main Promotable-CL-2550487 & Releases/4.8/Promoted-CL-255045 ...

Crash when enabling r.PSOPrecache.Resources due to check() in FSkeletalMeshObjectGPUSkin::GetUsedVertexFactoryData

The game crashes because of a nullptr SkinnedMeshComponent in  FSkeletalMeshObjectGPUSkin::GetUsedVertexFactoryData when r.PSOPrecache.Resources is enabled and a skeletal mesh is loaded due to a new ...