Unreal Engine Issues
Unreal Engine Issues
CLONE - ShadowProject gpu performance regression from Aftermath
UE - Graphics Features - May 19, 2017The issue was originally noticed between 4.15.1 and 4.16 Preview, but now appears to have regressed between 4.15.1 and 4.15.2. ...
"Cull Backface" in Cloth Paint is not effective if the back faces are close to the front faces
UE - Simulation - Physics - Character - Jul 6, 2017When Cloth Painting, "Cull Backfaces" is ineffective when the backface is very close to the face that you are painting on Occurs on? 4.16 - 3466753 - YES 4.17 - 3523593 - YES ...
Viewport Renders black when accessing Toolbar dropdown in Mobile Render Preview
Tools - Jul 11, 2017Viewport is rendering black when Preview Rendering Level is set to Mobile/HTML5 setting and the user hovers over settings options This is a regression from 4.16.2 ...
Crash changing variable type from Object Reference to Actor Soft Object Reference
UE - Gameplay - Blueprint - Oct 3, 2017REGRESSION: No, this occurs as far back as 4.16. Crash occurs when the user changes a variable type from Object Reference to Actor Soft Object Reference. ...
Lighting Channels Do Not Function with 78+ Lights on Actor
UE - Graphics Features - Oct 20, 2017Lighting channels do not function when the number of lights affecting actors is 79 or higher. Any number of lights that is 78 or fewer will honor lighting channel assignments. ...
Audio Attenuation falloff is applied even when turned off
UE - Audio - Mar 26, 2018Enable Sound Attenuation in the Sound Attenuation class does not appear to work. Specifically, unchecking the box doesn't turn it off. This is new - the setting worked in 4.18.3. ...
Cast Hidden Shadow Creates Shadow Artifacts in Splitscreen
UE - Graphics Features - Apr 18, 2018When using Cast Hidden Shadow in splitscreen, the shadow from your character has severe shadow artifacts. This has been observed in 4.18.3 as well as 4.19.1. ...
Child Actors are not replicated to clients when the parent blueprint is nativized
UE - Gameplay - Feb 22, 2019Child actors do not replicate properly to clients when their parent blueprint is nativized. Regression?: Yes This did not occur in 4.20.3 See also [Link Removed] ...
Linker exception opening project project after updating to 4.25.4
UE - Gameplay - Blueprint - Oct 27, 2020User has encountered an exception opening their project when they updated from 4.25.3 to 4.25.4. No repro, log or test project is given at the time. ...
FBX sdk give wrong normals when compile with Visual Studio 17.4.1
UE - Editor - Content Pipeline - Import and Export - Nov 24, 2022At the time this Jira is created, UE 5.1 and 5.2 is using VS 17.3.6 which is working correctly. any update after should repro the issue. ...