Unreal Engine Issues

delete_all_material_expressions_in_function Doesn't delete all expressions in one go.

UDN: https://udn.unrealengine.com/s/case/500QP000009NxNBYA0/deleteallmaterialexpressionsinfunction-doesnt-delete-all-expressions-in-one-go?fromCase=1 A UDN user is reporting that the delete_all_mat ...

NavMesh debug material color is changed by lighting with high lux values.

There is a clear difference in color saturation for the nav mesh debug material between when lit by a light with low lux values (6) and when lit with high lux values (1000) and eye adaption is enabl ...

Volumes visible on screen cannot be selected with box selection if "Box Select Occluded Objects" is enabled

When using box selection with "Box Select Occluded Objects" enabled, volumes in the box selection zone are not able to be selected. ...

PCGComponent in PCGVolume is called "PCG Component", breaking t3d serialization

From PCGVolume.cpp: PCGComponent = ObjectInitializer.CreateDefaultSubobject<UPCGComponent>(this, TEXT("PCG Component")); The Component name with a space does not support a round trip through FSof ...

Virtual Texture materials don't fully deduplicate generated virtual texture stacks

During material compilation we track unique individual virtual texture "stacks" and then create a virtual texture page table for each, along with unique bindings for each page table in the shader co ...

Renaming assets hits an ensure related to circular redirect

You will hit the ensure condition: LogOutputDevice: Error: Ensure condition failed: !SeenPaths.Contains(CurrentPath) in Engine\Source\Runtime\CoreUObject\Private\Misc\RedirectCollector.cpp] [Line ...

Same lightmap textures are listed mutiple times in Lightmaps of WorldSettings

Same lightmap textures are listed multiple times in Lightmaps of WorldSettings. It seems that it just showes the same texture mutiple times but there is only one texture. [Image Removed] ...

Unable to input Chinese characters (Microsoft Pinyin) after inputting 34 half-width characters

If we enter Chinese characters using Microsoft Pinyin after entering 34 or more half-width characters in a text field, they are not reflected in the box. If less than 34 characters are entered, Chin ...

History window does not show full history for branched files with Perforce

Crash from RDG limit when using Warmup

We need to better detect when we need to flush to avoid hitting the RDG limit. There is no test project at the moment, more details can be found here ...