Unreal Engine Issues

ShouldRender() in USceneComponent Doesn't Check Against IsVisibleInEditor()

IsVisible()/IsVisibleInEditor() should be a contribute to the logic in ShouldRender(). NOTE: This code was written during the UE3 life cycle. Found in 4.22 CL#7053642 ...

Merging actors with two-sided materials produces incorrect results

Merging two actors using a two-sided material produce incorrect results. Notes: Tested with "Allow two-sided material" on and off, the same result is produced. The same issue can be seen when ge ...

Cannot navigate to native function source code from blueprint editor

REGRESSION RANGE WORKING: 9404494 (right before Dev-Core copy up at 9405827 BROKEN: 9407021 (Dev-Networking copy up) NavigateToFunctionSource: Unable to find symbols for 'UPaperFlipbook::GetNumFr ...

RetainerBox may cause memory leak

Essentially, this memory leak should be counted in the UI section, but it is counted in the SceneRender section. This seems to be due to the behavior of MemStackAllocator and FixedSizeAllocator. Th ...

Deprecated components can still be added via the Add Component button

The UDN has a possible fix for this issue in the Component Type Registry You can use the following as a test C++ class: #pragma once #include "CoreMinimal.h" #include "Components/ActorComp ...

[MetaSounds] - Changing an Input to Modulation Parameter crashes editor due to module load order

Setting an Input type on Modulation Parameter crashes the editor with:Assertion failed: Pair != nullptr [File:E:\SMoyls_UE5_Release-5.0\Engine\Source\Runtime\Core\Public\Containers\Map.h] [Line: 643 ...

Landscape smooth and flatten tools deform the terrain incorrectly

The Landscape smooth and flatten tools can deform the landscape incorrectly causing chunks of the landscape to be removed (see attached image). ...

HighResScreenshot crashes in windows packaged exe

FHighResScreenShotConfig::Init() sets the materials only in the Editor, due to a #if WITH_EDITOR block. However, the FViewport class exposes the TakeHighResScreenShot to non-editor builds as well, l ...

Cull Distance Volumes don't work with WP

drag the progress bar in level sequence would crash in debug editor

it seems in FSequencerTimeSliderController::ComputeFrameTimeFromMouse the CursorPos is -nan ...