Unreal Engine Issues
Unreal Engine Issues
Post Process Materials After the Upsampler Have Incorrect ViewUniformBuffer Information
UE - Graphics Features - Jul 17, 2023A proposed solution to this has been given by the licensee, please see the related UDN. ...
Auto Exposure Compensation Curve issue when switching from Histogram to Manual
UE - Rendering Architecture - Feb 21, 2024When switching the Camera's Exposure Metering Mode from Histogram to Manual, there is a single-frame flash. The Licensee has a proposed code change that would fix this issue. Also found in 5.4, CL 3 ...
Incorrect relative position on replicated child actor
UE - Networking - Apr 4, 2024The issue seems to occur when a replicated child actor is received on the client before its parent. The child actor will first be spawned at its correct global position, with its root component's p ...
USplineComponent still editable in viewport despite setting as "read-only".
UE - Framework - Blueprint Editor - Apr 29, 2024A spline component continues to be visible and editable in-editor despite all attempts to disable the functionality through the component's settings or uproperty specifiers. ...
Problems with shadows on transluscent materials
UE - Rendering Architecture - Sep 24, 2024Shadows on the surface of SingleLayerWater are heavily pixelated, and don't appear to use bilinear filtering at all. Also tested on //UE5/Release-5.5, CL: 36481335 ...
Issues with global invalidation (MoviePlayer)
UE - Editor - UI Systems - Sep 27, 2024It was mentioned that the global invalidation should be toggled off during loading screen and subsequently restore the state after. A request was made for this dynamic behavior be part of the engin ...
Iris - replication errors for actors in runtime data layer when reconnecting
UE - Networking - Iris - Mar 28, 2025It seems like upon reconnecting to the server, the client receives a bunch containing the actor before it has loaded the data layer. See attached log snippet for errors. ...
UObjects returned from "Get Item Children" in a TreeView widget causes an engine crash, due to invalid pointers
UE - CoreTech - UObject - Jun 9, 2020UObjects returned from "Get Item Children" in a TreeView widget causes an engine crash, due to invalid pointers. User has proposed the following fix: The best fix is probably such: When Slate list ...
Right click editor/Slate windows blackout after a while of repeatedly clicking them.
UE - Editor - UI Systems - Slate - Jun 8, 2022Licensee video of the issue here - [Link Removed] This can be worked around with this setting: [Link Removed] However it is not a solution as this setting actually causes other programs, e.g. sl ...
Unable to select object when using DistanceToNearestSurface node for Opacity Mask in Masked Material
UE - Rendering Architecture - Materials - Mar 6, 2023From observations, this seems to be related to how the mesh selection works, and may be making the pixel under the mouse masked away. Adding a value >= 0.5 between the clamp and the Opacity Mask out ...