Unreal Engine Issues
Unreal Engine Issues
Merging actors with two-sided materials produces incorrect results
UE - World Creation - Worldbuilding Tools - Merge Actor - Feb 24, 2020Merging 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 ...
Color picker does not change the color of a Vector Parameter in a Material Instance until the mouse button is released
UE - Graphics Features - Mar 11, 2020This is a regression from 4.23.1 (CL-9631420). The color picker does not update in realtime anymore when holding down the left-mouse button. Only on mouse-release does it update. This was reported ...
Exporting a UE4 Animation into Maya results in wrong skin weight
UE - Editor - Content Pipeline - Datasmith - Importer - Apr 21, 2020UE4 Mannequin animations are not exporting/importing correctly into Maya. The right hand is bulkier and the left shoulder is dislocated. This was reported and tested in 4.23.1 (CL-9631420). this w ...
Key input by Sequencer is missing in FBX output of parent-child actors
UE - Anim - Sequencer - Nov 15, 2021This problem did not occur in 4.27.0. Animation is not output when outputting a hierarchical structure. Actor(A) ┗Actor(B) ┗Actor(C) This is how the attachments are registered, and the ke ...
Platform-specific defines not picked up by Intellisense
UE - Foundation - Cpp Tools - UnrealBuildTool - Aug 31, 2022With the way PLATFORM_XSX, PLATFORM_PS5 etc. are defined, it seems intellisense doesn't know about them, because the .vcxproj only references the Win64 version of Definitions.h, and they are defined ...
Precomputed AO Mask renders with value of zero after building lighting
UE - Rendering Architecture - Materials - Jan 13, 2023Regression: Tested in UE5/Release-5.0 at CL 20979098, this issue does not occur so it is a regression. This issue occurs in 5.1 for both normal light building and GPU Lightmass building. In 5.0 th ...
r.SupportPointLightWholeSceneShadows Set to False Causes Crash When Trying to Place a PointLight
UE - Graphics Features - Jul 25, 2018If you disable Support PointLightWholeSceneShadows and try to place a point light in a level the editor will crash. Current work around is put shadows to low from engine scalability settings. Wor ...
Shader Model 5 and Tessellation causes unintended effects on Linux
UE - Platform - Linux - Jul 6, 2016Using Shader Model 5 and tessellation on Linux gives strange results that are not present when used on Windows ex: 1) When using Shader Model 5 on Linux, turning on Translucent blend mode and Tesse ...
Mac Safari HTML5 Launch On - Unresponsive WASD controls while in Full Screen
UE - Platform - Mobile - Sep 19, 2016I was testing launch on test for mac and wanted to see if the full screen works properly as there were issues with that before. I discovered that after selecting full screen, I was not able to move ...
Attempting to Change Global Variable to Local Variable in a Function Containing a Timer Causes Compiler Error
UE - Gameplay - Blueprint - Sep 14, 2016When attempting to replace a global float variable with a local float variable that is connected to a Timer node in a blueprint function, an error will appear after trying to compile. This does not ...