Unreal Engine Issues

Selection outline rendering inconsistently in VRMode

The cube (staticMesh) outlines are rendering in just the left eye while Box brush (Brush) outlines seem floaty and are rendering only in the right eye.  Does not occur in //UE4/Release-4.21 @CL 475 ...

Linux Vulkan editor crashes OOM on older graphics cards

Vulkan editor is very crashy on older cards due to memory pressure. I have to switch to OpenGL to work on the unrelated bugs. I'm attaching the details of the particular failure I had (see VulkanMe ...

[CrashReport] UE4Editor_D3D11RHI!VerifyD3D11Result() d3d11util.cpp:251

Material Ambient Occlusion Does Not Work With Skylight Set to Movable

Material ambient occlusion does not work with the skylight set to movable. Setting the material to allow static lighting will fix the issue until the level is reloaded. Found in 4.19 CL# 4033788, 4 ...

Packaging fails for an exclusively-nativized BP-only project that includes a non-nativized child Blueprint class that's referenced by an (unrelated) nativized Blueprint class.

For unknown reason, the header of BP_Parent is included twice. The second header is located after the .generated.h, causing the compile error. The following is the include section of BP_Child__pf1 ...

[CrashReport] UE4Editor_Core!FArchive::SerializeCompressed() [archive.cpp:696]

No user comments in crash group 686 // Iterate over all chunks, serialize them into memory and decompress them directly into the destination pointer 687 for( int64 ChunkIndex=0; ...

Material Editor Tooltips for Sine and Cosine Expressions are Incorrect

The tool tips for Sin and Cosine within the material editor need to be modified. The tool tips are inconsistent and do not match the information in official documentation. [Link Removed] ...

[CrashReport] UE4Editor_TextureFormatDXT!FNVTTCompressor::FNVTTCompressor()

This is a common crash that has occurred since at least 4.12. Users have not provided any descriptions of their actions when the crash occurred. The callstack is similar to [Link Removed]. ...

[CrashReport] Assertion failed: TaskDataArray.Num() == Exporter->VolumetricLightmapTaskGuids.Num()

This is a trending crash coming out of the 4.18 Previews. Users have not provided any descriptions of their actions when the crash occurred, but at least two of the affected projects are being creat ...

[CrashReport] Assertion failed: SizeX <= GetMax2DTextureDimension() in d3d11texture.cpp

This is a common and longstanding assertion that has occurred since at least the 4.13 release. User DescriptionsI was messing with a sequencer's camera settings (not playing back, but active) and c ...