Unreal Engine Issues

Buffer Visualization Modes Are Inaccurate

In 4.18, Buffer Visualization Modes appear very similar to their representation in Buffer Overview. In 4.19 and Main (CL 4008322) the results are very blown out. Similar issue reported in [Link Remo ...

Complex collision mesh might lose its collision in the editor

This is affected by loading order. In the case, display mesh was loaded firstly and try to build collision mesh form complex collision mesh asset. But the collision mesh didn't finished to make Ren ...

Black viewport with artifacting when changing to MSAA with Forward Shading enabled

DID NOT OCCUR IN BP FPS PROJECT - might be ContentExamples specific This issue does not occur when forward shading is disabled. Viewport error reads: TOO MANY OVERLAPPING SHADOWED MOVABLE LIGHTS ...

Destruction mesh with Crumble Smallest and Impact near another will leave residual mesh visible

When using a DM that has Crumble Smallest and Impact damage enabled there will be instances where the residual mesh before fracture is left behind. What appears to happen is there is a force large e ...

Steam Overlay does not show in Win64 Shipping builds when run outside of Steam

Steam Overlay does not show in Win64 Shipping builds when run outside of Steam. The Steam client can be running, but unless the .exe is opened through Steam itself, the Overlay will not appear. Note ...

[CrashReport] UE4Editor_Engine!UTextureRenderTarget::GameThread_GetRenderTargetResource() [texturerendertarget.cpp:44]

This is a common crash that has been affecting users since at least 4.15. This may be the same issue as [Link Removed], which was closed due to inactivity User Descriptionsloading a level Source ...

Artifacts when using virtual textures for multiple attributes in material layers

When using the Material Layer system and virtual textures, the number of physical texture samples in the shader increases with the number of material attributes that a virtual texture writes to. The ...

Import then cancel while file is read leads to potential crash

1/ Import a file with mootools such as an fbx 2/ while the file is still read, cancel the import Result : may crash few times after (when theoretically the file has finished being read) - not repr ...

Fix up IOS errors calling UI API from non-UI threads

Stationary/Movable Lights render based on distance from World Origin in Orthographic Camera View

When using the Orthographic Camera view (such as that used with the Paper2D Template) any lights that are distant from the world origin will start to fade out as if they are being culled. The distan ...