Unreal Engine Issues
Unreal Engine Issues
Crash when calling an event with an enum reference parameter with literal
UE - Platform - Linux - May 1, 2018The issue appears to be the type of the input pin on the custom event(or function - both behave the same), under normal circumstances it should allow you to pick the enum from a list on the calling ...
Selecting with eyedropper tool will select ChildActor
Tools - Sep 14, 2018It can select ChildActor with the Eyedropper tool. Since ChildActor is an actor created temporarily, when you restart the Editor it becomes empty because there is no reference. When selecting AActor ...
Memory Leak during video playback when main thread blocks
Media Framework - Apr 17, 2018Video frames are stored in a queue that keeps growing until the main thread ticks again. Can also be reproduced by playing video then clicking the import file button and leaving the file import dial ...
Load times for the editor appear to have increased
UE - Graphics Features - May 3, 2019The editor appears to have longer load time as compared to an older engine version (4.20.3 loaded in seconds while newer version appear to load the same project in over a minute) ...
Disabling Shadow Denoiser causes raytraced shadows from Rect Lights to disappear
UE - Graphics Features - Lumen - Nov 6, 2020Disabling Shadow Denoiser causes raytraced shadows from Rect Lights to disappear ...
Animations are not recorded correctly when "Save Record Assets" is enabled.
UE - Anim - Sequencer - Jul 21, 2021If I disable "Save Record Assets", all animations are recorded. I have checked the implementation of bSaveRecordedAssets, but I am not sure if this is the intended implementation. ...
Shadow in Sky Reflections
UE - Graphics Features - Lumen - Nov 10, 2023It looks like the DistantScreenTrace(...) in LumenScreenTracing.ush reports a false positive hit in the dark regions. Using screen trace visualization reports the distance in these regions as 65535. ...
UserSceneTexture Post Process Material Renders Incorrectly When ScreenPercentage is Below 100
UE - Graphics Features - Dec 17, 2024When using a UserSceneTexture in a post-process material, a visible rendering issue occurs if the viewport's ScreenPercentage is set to below 100. This issue looks like it might stem from an incorre ...
LastRenderTime does not update when Occlusion Culling is disabled
UE - Graphics Features - Feb 25, 2025When disabling Occlusion Culling, Components will not have their Last Render Time updated. ...
Local Vector variables in functions do not save the Y and Z values
UE - Gameplay - Blueprint - Mar 12, 2015Local Vector variables in functions do not save the Y and Z values. Possibly connected: after entering the X value, pressing Tab does not move to the Y value. Tabbing from there works as expected. ...