Unreal Engine Issues

Import overwrite Yes to All/No to All broken

This is a painful bug for audio, because many times we are replacing hundreds if not thousands of files this way. ...

HTML5 fails during Package Command with ASM enabled

While testing in //UE4/Release-4.16 CL 3432136 in Binary – Launching a blueprint - FirstPerson template to Chrome encounters an error.LogPlayLevel: Program.Main: ERROR: AutomationTool terminated wit ...

WindowsVideoRecordingSystem can start late to record when a Record/Start action is executed.

The WindowsVideoRecordingSystem can start to record late when a StartAction is done. Not sure if it starts to record late, or the first seconds of the resulting video are ommited when the mp4 file i ...

"ERR: Transient text cannot be serialized" after converting to 4.8

"ERR: Transient text cannot be serialized" after converting to 4.8. Many users are seeing them in the logs. Example Project: [Link Removed] ...

Eye Adaptation post process volumes make the viewport extremely bright

In 4.14 when entering the volume the screen brightens which is expected. The problem is that in 4.15 it brightens more. So much so that some static meshes are rendered almost completely white. I ...

D3D Crash applying Built Lighting in a level containing Static Foliage

Editor session crashes applying Built Lighting in a level containing Static Foliage. Note: this crash does not occur if the Instanced Foliage Mesh has mobility set to "Movable" within the Foliage D ...

HISM: Calling UpdateInstanceTransform with a transform only containing rotation or scale would not update the transform at runtime or cooked

Calling UpdateInstanceTransform on a HISMC with a transform only containing rotation or scale would not update the transform at runtime or cooked. ...

[CAD Import] Metadata are totally different when loading an IFC file through TechSoft.

Crash can happen in FDetailLayoutBuilderImpl::Tick() when a category of UStruct member includes the "|" symbol and member is Tickable.

A crash can occur when a member of a UStruct has a category with the "|" symbol and is trying to be displayed inside by the FDetailLayoutBuilderImpl class. This happens when there is a UStruct memb ...

Anisotropy of material looks different when set via a scalar parameter node connected to the material node

The Anisotropy of a material looks different when set on the material output node vs when set via a scalar parameter node connected to the material node ...