Unreal Engine Issues
Unreal Engine Issues
DevelopmentServerLauncher.exe loops whenever the editor is open even if no iOS devices are connected
UE - Platform - Mobile - Apr 29, 2019A user has reported that DeploymentServerLauncher.exe will continue to poll for devices even if no iOS devices are connected. I am under the impression that this is so that Windows can poll for iOS ...
GPU Particle Collision changes based on Normal Intensity on Colliding Surface
UE - Graphics Features - Jun 18, 2015Increasing the intensity of a Normal Texture on a colliding surface will cause the collision of GPU particles to behave strangely, looks to be falling through floor, when you are using a Constant Ac ...
Unreal Logo in Display 3.1 Continues to Spin After Button is Turned Off
Docs - Samples - Sep 21, 2016While writing test cases for the Blueprint Communication Content example, I came across this inconsistency. The logo continues to spin even after the button is no longer active. I expected the logo ...
Nvidia dedicated graphics card causes menus in the editor to duplicate
Tools - Jun 17, 2015When using a laptop with an added in graphics card that's Nvidia, the menus in the editor duplicate. However, if you force the editor to use the integrated graphics card, it does not occur. From th ...
Shadows are cast by meshes that have "Self Shadow Only" enabled while "Ray Tracing" is enabled with DX12
UE - Graphics Features - Lumen - Nov 6, 2019Meshes that have "Self Shadow Only" enabled are still casting shadows if ray tracing is enabled with DX12. Found in 4.23.1 CL#9631420 Reproduced in 4.22.3 CL#7053642, 4.24 CL#10053396, 4.25 Main CL ...
Tessellation not working properly on Vulkan
UE - Graphics Features - Jan 25, 2018When a user launches content examples with -vulkan tessellation will not be working. Everything tessellated will appear as if it has no tessellation. This issue is also occurring in 4.18 ...
Custom events with a struct that has had its pin split will throw an error when adding variables to the blueprint
UE - Gameplay - Blueprint - Aug 26, 2016Custom events with a struct that has had its pin split will throw an error when adding variables to the blueprint. The Struct appears to throw an error when making changes that are seemingly unrelat ...
Crash When Toggling Visibility of Level with Planar Reflection
UE - LD & Modeling - Terrain - Landscape - Mar 26, 2018This crash occurs in 4.19 and 4.20 but not 4.18. Repro'd in 4.19.0-3944462 and 4.20.0-3955769 and 3964322. This is a regression. Per UDN licensee: When I'm showing/hiding levels in editor (in le ...
The base color of a material in unlit mode changes when specular amount is above 0.0
UE - Graphics Features - Feb 24, 2020Material's RGB base color values are changed in Unlit mode when specular is greater than 0. User repro video: [Link Removed] Tested in: 4.23.1 CL#9631420, 4.25 CL#11574810 ...