Unreal Engine Issues
Unreal Engine Issues
[CrashReport] UE4Editor_Engine!SetDescendantIsEditorOnly() [scenecomponent.cpp:381]
UE - Gameplay - Dec 1, 2017This is a common 4.18 crash. Users have not provided any description of their actions when the crash occurred. Source Context 376 int32 NumDescendantsChanged = 0; 377 // recursiv ...
Video files do not play in scene after LaunchOn to iOS from Windows
UE - Platform - Mobile - Sep 30, 2016While attempting LaunchOn to an iOS device, the video and audio does not play. Attempts were made using the following video formats:mp4movavi Attempts were made using the following devices:iPhone 5 ...
Eyedropper in the Color Picker window does not grab any color values on Mac/Linux
UE - Graphics Features - Jan 5, 2018Trying to use the eyedropper in the color picker window on Mac fails to grab any color values. The colors will only update when hovering or clicking within the viewport but the colors shown aren't c ...
Spawned actors with meshes become invisible in editor after changing level
UE - Graphics Features - Sep 7, 2018When moving actors spawned from within the editor to a new sublevel, their meshes stop rendering. However, if you open a new level then re-open the old level the meshes become visible again. You wil ...
Engine/Extras/MayaLiveLink not provided in install directory
OLD - Anim - Nov 19, 2018According to the Maya Live Link documentation, the zip file should be provided in the engine installation. https://docs.unrealengine.com/en-us/Engine/Animation/Live-Link-Plugin/Connecting-Unreal-Eng ...
Cascade velocity aligned particles jitter when "use local space" is enabled
UE - Niagara - Sep 2, 2020Sprites in a particle system flicker/shake when use local space is combined with small velocity values and velocity aligned sprites. Reported and tested in versions 4.25.3(CL 13942748), 4.24.3(CL 1 ...
Crash when opening a project with Renderdoc plugin enabled while renderdoc is installed on the machine
UE - Graphics Features - Oct 6, 2020-The editor will crash when opening a project with the Renderdoc Plugin enabled while the user has Renderdoc installed on their machine. Uninstalling Renderdoc allows the project to open without cra ...
Debug information is sometimes missing when compiling with cl-clang
UE - Foundation - Cpp Tools - UnrealBuildTool - Aug 24, 2023Via UDN: As has been discussed previously here and in CL 20055361, debug information is sometimes missing when compiling with Clang. We've pinpointed this to debug information not being emitted fo ...
ContentExamples PhysicalAnimation hit reaction example does not react
Docs - Samples - Aug 11, 2015The Hit Reaction Physics Animation Blending example in the ContentExamples PhysicalAnimation map does not react to being clicked on. REGRESSION: Yes Worked: 4.8.3. Binary Broken: 2647674 ...
PCG crash when using Attribute Remove Duplicates on partitioned data if one of those sets of data is empty
UE - World Creation - Procedural Tools - PCG Graph - Jul 3, 2025Context: In PCG, the Attribute Remove Duplicates node can be used to remove duplicate attributes from an array. Problem: The licensee has observed that using the Attribute Remove Duplicates node ...