Unreal Engine Issues

Crash when calling capture mouse as the return value in an OnKeyDown

The editor crashes when calling an over ridden On Key down function in a widget in order to capture the mouse with the return value of the function. ...

DestructibleMesh does not correctly effect vertex color of material.

Destructible Mesh does not correctly affect vertex color. ...

"Find Collision UV" does not work with "Get Hit result under cursor"

The Hit result from "get hit result under cursor" does not appear to be working with "find collision UV" Using "Line Trace by Channel" hit result works as intended. ...

Difference rendering result between SceneCaptureComponent2D and SceneRendering

This problem is difference rendering result between Final Image of SceneCaptureComponent2D and scene rendering. If I disable the post effect, the result seems to be the same, but turning it on will ...

Assertion failed: UnscaledViewRect.Width() > 0

Crash when using new FCanvasDrawer Licencee notes that crash does not occur if "new FCanvasDrawer" is commented out. ...

Landscape Resample Crashes Editor in Sublevel Map

Incorrect AO rendering when that using SSGI.HalfRes

This problem seems to have started from 4.26. Also, setting r.DiffuseIndirect.Denoiser=0 will increase the noise but invisible the rendering in problem. ...

BaseColor of SubSurfaceProfile cannot be obtained when using GBuffer in Niagara.

Specifying a custom UMovementComponent class via SetDefaultSubobjectClass() does not seem to serialize default value edits correctly on the CDO.

Possibly some sort of issue related to SetDefaultSubobjectClass() rather than UMovementComponent specifically. I was able to reproduce in 4.10 release branch and in //UE4/Main with the test project ...

Overriding MacroUV causes stretching Material

While working on an issue for a user using MacroUVs, I noticed that entering any value into the Required Module with Override Default Macro UV toggled true will cause the Material to stretch and dis ...