Unreal Engine Issues

RestrictedToClasses UCLASS Meta expects space delimiters but documentation shows comma delimiters

The documentation: https://docs.unrealengine.com/en-US/Programming/UnrealArchitecture/Reference/Metadata/index.html shows the RestrictedToClasses meta syntax as being RestrictedToClasses="Class1, C ...

Mobile Multi-View 4.23 preview regression

Black-screen when mobile-multi view is enabled in 4.23 preview.  Also confirmed on Oculus Go. +Occuring in 4.24 MAIN @ CL 7436536 Sidenote: In all tested engine versions - when enabling/disabin ...

Sharing Material shaders wastes memory and disappears from the memreport

Enabling bShareMaterialShaderCode breaks memory tracking and wastes memory due to issues in ShaderCodeLibrary. It is also worth noting that after cooking with bShareMaterialShaderCode enabled causes ...

Broken assignation of materials when merging meshes

See the following UDN for a good visual explanation of the bug: https://udn.unrealengine.com/questions/512811/view.html Seems like this was introduced around CL 5639656. ...

ARSharedWorld, AREnvProbe, and ARSaveLoad fail to build for iOS with clang error

ARSharedWorld fails to package at the build command for iOS with the following messages. Packaging (iOS): [1/4] sh /Volumes/Storage/Workspaces/Release/Samples/AR/ARSharedWorld4.23/Binaries/IOS/ARS ...

[CrashReport] UE4Editor-AnimationBlueprintEditor!FAnimGraphConnectionDrawingPolicy::BuildExecutionRoadmap() [AnimGraphConnectionDrawingPolicy.cpp:27]

Generated from CrashReporter Similar to [Link Removed] but in UE4Editor-AnimationBlueprintEditor ...

"Render in main pass" setting appears to be ignored when using ES3 and "Render in Custom Depth" is enabled

it appears that meshes cannot be removed from the main pass and still write to the custom depth pass when using ES3.1 ...

FPlatformOutputDevices::GetAbsoluteLogFilename() not returning correct path when running multiple application instance

Using xcode-select to switch between Xcode 10 and Xcode 11 beta can cause Xcode 11 to be unrecognized by the editor

After switching from Xcode 11.0 Beta 3 (11M362v) to Xcode 10 (10A255) and then back to Xcode 11, the editor no longer recognized that Xcode was installed on my machine when trying to use Xcode 11 as ...

Niagara Memory Leak in vertex buffer when increasing particle spawn rate on CPU sims

Increasing the spawn rate of a CPU particle sim will cause a memory leak in the vertex buffer.  ...