Unreal Engine Issues
Unreal Engine Issues
Color obtained in Retainer Box differs from color visible in material preview when set by Vector Parameter
UE - Graphics Features - Aug 12, 2019Color set by Vector Parameters in a material differs in preview from color obtained in retainer box. Obtained color does not match either sRGB or Linear values of color visible in material preview. ...
OnHit not firing when capsule collider passes onto very close and same height mesh
UE - Simulation - Physics - Sep 10, 2019When a capsule collider passes from the top of one piece of geometry to another that is very close the OnHit event doesn't fire. I have attached a project that demonstrates the issue in 4.23. A vid ...
Internal Compiler Error: Tried to create a property Crash in scope Beta_C, but another object (ObjectProperty /Game/Alpha.Alpha_C:Crash) already exists there.
UE - Gameplay - Blueprint - Oct 31, 2019After fixing the crash from [Link Removed] when compiling the child blueprint that has claimed the component name the parent was previously using without having compiled the parent, an internal comp ...
Editor Periodically Has Performance Drops In Basic Scenes
Tools - Dec 27, 2019The Editor experiences performance drops even in the default basic level when left alone running. I experienced them every ~3 seconds. My graph didn't show the drops very clearly so the fps counter ...
Sublevels Move To New Subfolders Automatically When New Ones Are Made
Tools - Mar 11, 2020When adding a new subfolder in the Levels window all the sublevels in that parent folder move to the new sublevel. Currently you have to create all the sub folders then move the sublevels to keep th ...
SSR Experimental Denoiser crashes when enabled using Vulkan
UE - Graphics Features - Apr 27, 2020Enabled the SSR Experimental Denoiser using Vulkan causes the Engine to crash. This crash does not happen with DX11 or DX12. This happens on Linux and Windows (-vulkan). This was reported and teste ...
Clion isn't recognized on Linux
UE - Platform - Linux - May 4, 2020Setting CLion as the default IDE causes Unreal to not recognize it as a compiler. You are unable to compile C++ projects or create new ones with it set this way. This was reported and tested in 4. ...
Widget Slider increments in an odd way when it is dragged outside of its bounds when next to another Widget
UE - Editor - UI Systems - Aug 6, 2020The attached video shows the results of this bug. When two Widgets are next to each other and one of them has sliders, when the sliders are dragged past their bounds they will increment backward so ...
Back-face culling not working when translucency is set to Ray Tracing
UE - Graphics Features - Lumen - Oct 23, 2020While enabling Ray Tracing from the start of the project, when user sets GlobalPostProcess Translucency to Ray Tracing, the back-face of the plane is not culled. However, when the translucency is se ...
FScriptMapHelper::HasKey() and FScriptSetHelper::HasElement() fail on new keys with a substring of another key
UE - Editor - Workflow Systems - Jan 27, 2022Duplicate key checking in maps and sets in the editor is done via calls to FScriptMapHelper::HasKey() and FScriptSetHelper::HasElement(), but this code is checking for object names which are subsets ...