Unreal Engine Issues
Unreal Engine Issues
CMake include path for generated Sources differs from actual generated Sources location
UE - Platform - Linux - Sep 4, 2018The CMake project generated by UnrealBuildTool does not specify the (correct) directory for files generated for game classes. This happens when generating the CMake files from within the editor usin ...
Select All Descendants in World Outliner Does Not Highlight Everything Selected in Sub Folders
Tools - Sep 7, 2018Selecting all descendants of a folder hierarchy in the world outliner doesnt accurately show what all is selected. This does not always occur and is a visual bug. The items in the level are still se ...
FTransform(ENoInit) ensures in Debug on mobile platforms
UE - Foundation - Core - Sep 25, 2018As of 4.20, ENABLE_NAN_DIAGNOSTIC is now enabled in all Debug configurations. However, this does not work well with the TransformNonVectorized that is used on platforms like android. If this combina ...
Movement Tolerance for Spawn Per Unit Does Not Function
UE - Niagara - Oct 19, 2018Motion tolerance for Spawn Per Unit does not affect the particle system. Even if the vaules are set very high. Found in 4.18 CL# 3832480, 4.19 CL# 4033788, 4.20 CL# 4369336, 4.21 Preview 2 CL# 4472 ...
Packaging/launching 2D Side Scroller template for HTML5 results in Black Screen on browsers
UE - Platform - Mobile - Oct 30, 2018Packaging or Launching the 2D Side Scroller template without making any edits results in issues that differ by browser. Firefox : A black screen appears (see screenshot) Chrome : 1/4th of the scre ...
Landscape Paint Layers will not scroll to the end when using mouse wheel
UE - LD & Modeling - Terrain - Landscape - Sep 28, 2020In a normal detail panel, each element has its own SDetailSingleItemRow and are mostly uniformly sized with some exceptions of having a few bigger rows (i.e. asset pickers). However, these layers ar ...
HiResScreenshot has incorrect masking when screenshot resolution scale does not match the viewport.
UE - Rendering - Architecture - RHI - Sep 6, 2021After a bit of investigation, the way to fix this would be to modify MergeMaskIntoAlpha to pass in the actual resolution scale and the requested size, and only mask the overlapping pixels. Currently ...
[MetaSounds] - If the audio output hits an extreme Gain value, the Audio Meter Widget stops responding
UE - Audio - MetaSounds - May 20, 2022It's possible to have the Audio Meter widget stop responding if you set the Gain really high. It will cease to work as long as the MetaSound window is open. Closing and reopening the MetaSound windo ...
Nanite displacement on landscapes not rendering on 5700XT
UE - Graphics Features - Nanite - Mar 27, 2024This only happens on a 5700XT, tested this on the 7900XT and the issue did not occur Initially reported on the Preview 1 forums: https://forums.unrealengine.com/t/unreal-engine-5-4-preview/1763516 ...
Inconsistent mobility when converting selected actors to a blueprint
UE - Gameplay - Blueprint - Jan 6, 2015Noticed when replying to a user on the forums (link included) When using the "Convert to Class Blueprint" feature in the level editor to create a blueprint from the selected actors, the created blu ...