Unreal Engine Issues

Externally Referenced error is produced after cloning a 4.6.1 project and converting it to a 4.7.6 project

A User in unable to save there project because of they get warnings for all of the objects in their scene saying they are externally referenced. This happens after cloning a project and then convert ...

LOD Build Scale set higher than 1 will cause a merged actor to increase to that scale when created

LOD Build Scale set higher than 1 will cause a merged actor to increase to that scale when created. It seems to be using the LOD Build Scale to double in size on actor merge. This is a regression: ...

Translucent Object not rendering correctly in Desktop Forward in left eye in a packaged game when using "r.HZBOcclusion 1"

Object not rendering correctly in left eye in a packaged game when using "r.HZBOcclusion 1". In this example looking to the right the object disappear from the left eye only. Note: This was tested ...

Custom Render Passes in Sequencer and High Res Screenshots are rendered incorrectly in HDR with DX12 and r.PostProcessingColorFormat=1

Buffer visualizations rendered in HDR through the high res screenshot tool or sequencer using DX12 and r.postprocessingcolorformat 1 will result in renders that only capture the first row of pixels. ...

The crash reporter tool does not start on Windows 8.1 machines when running the Engine built from source code.

The source code to build the Engine that is available from GitHub includes the file dbghelp.dll, which prevents the crash reporter tool from starting on Windows 8.1 machines. This file is not presen ...

Crash with geometry collection in es3.1 preview

[MetaSounds][Trigger Route] - If Value 0 is a non-zero value and Value 1 is a zero value, the output "pops" on triggering Set

When using the Trigger Route node, if Value 0 is a non-zero value and Value 1 is a zero value, the output "pops" on set. [Link Removed] ...

Packaging for Win32 fails on Visual Studio version 15.7.1 with multiple unable to find mspdbcore.dll errors

This did not reproduce with Microsoft Visual Studio version 15.6.2 at the same CL in //UE/Main. Only occurred after I updated from 15.6.2 to 15.7.1. ...

Color space transform in the UI composition is incorrect on DX12 HDR (r.HDR.UI.CompositeMode=1)

Color space conversion in the UI composition is incorrect on DX12 HDR. In the main() function In CompositeUIPixelShader.usf, you can see the following color space transform.// sRGB -> RRT -> ODT ...

Foliage does not appear in capture target when using "Always Persist Rendering State" when the foliage count is over 1.5k

There is an issue occurring where Foliage does not appear in capture target when using "Always Persist Rendering State" when the foliage count is over 1.5k. The issue does not occur when the foliage ...