Unreal Engine Issues

Crash on Assigning Material to Element 1 in Reimported Static Mesh

[Link Removed] When you reimport a Static Mesh with an Added Material ID associated with it and in the Static Mesh Editor assign a material, the engine crashes. Also reproduced in Main Promotable- ...

Skeleton preview disappear at LOD 1 with "bones to remove" enabled.

Crash occurs when diffing blueprint that has had one of its variables changed to a Soft Object Reference

A crash occurs when diffing a blueprint that contains an array that has changed from an Object Reference to a Soft Object Reference. Note: I figured that this could be related to another bug that I ...

WP level instance runtime settings affect streaming generation

If a level instance uses different runtime settings then it can override the main WP's runtime settings with UWorldPartitionRuntimeSpatialHash::ApplyCVars Runtime settings:GRuntimeSpatialHashUseA ...

Layers render transparent in Material_Advanced 1.3 display in ContentExamples on HD4600

Only seen on an Intel HD4600 GPU This is a regression from 4.13 Did not occur on an Intel HD530 GPU ...

RenderTrace fatal error, shader expected a uniform buffer at slot 1...

RenderTrace plugin does not appear to have been updated for a change that moved the GPUScene out of the View buffer to its own uniform buffer. (CL 24027890) The test project is based on FirstPerson ...

Virtual texture thumbnails appears brighter (incorrect sRGB/gamma) in content browser after asset is loaded

This is a regression, it worked correctly up to UE 5.5 but behaves incorrectly in UE 5.6 up to latest. When a regular texture with sRGB enabled is converted to a virtual texture, its thumbnail in t ...

Modified a mesh used as complex collision mesh does not affect the collision in the editor

When a user changes any properties (for calling PostEditChangeProperty ) in parent static mesh or restarting the editor, the modified mesh is applied correctly. how to reproduce: [Link Removed] ...

[CrashReport] FSlateRHIRenderer::ConditionalResizeViewport()

This is a common crash occurring on Windows and Mac in 4.15 and 4.16 (two different callstacks with close similarities). The callstack is also similar to [Link Removed] and may be related. User D ...

8.1 Advanced asset creation selection is flickering a duplicate selection

Workaround Seemed that closing and reopening the project resolves this issue This is NOT a regression as it happens in 4.15.2 ...