Unreal Engine Issues
Unreal Engine Issues
CreateWidget node keeps reference to created widget on output pin
UE - Gameplay - Blueprint - Oct 17, 2017There was an issue in 4.16 (fixed in CL# 3437205) in which blueprint output pins would hold on to object references until the blueprint was destroyed. It appears that an additional fix may need to b ...
[Feature Request] Niagara Ribbon Render needs V direction Tessellation option
UE - Niagara - Aug 8, 2021It has a common chunking visual artifacts that lot's of triangular Translucent overlap once Ribbon's width is big and twisted heavily facing to Camera [Image Removed] It can be fixed by adding mor ...
Component default data can be lost for a non-nativized Blueprint class that inherits the component from a nativized parent Blueprint class.
UE - Gameplay - Blueprint - Sep 5, 2018This is a regression that was introduced by the fix for [Link Removed]. The fix makes an invalid assumption that instances of components whose archetypes are inherited by a non-nativized child Blue ...
Project launch options flicker between available and unauthorized/locked
Tools - Aug 20, 2018Project launch options flicker between available and unauthorized/locked Unsure what causes this, but I have hit the issue twice. Another person has also seen this on their machine. I was able to ...
'Directions are not Compatible' error on ForEachLoopWithBreak if split struct pin is disconnected from Enum type
UE - Gameplay - Blueprint - Mar 25, 2015'Directions are not Compatible' error on ForEachLoopWithBreak if split struct pin is disconnected from Enum type. Note: If the pins are reconstructed and the resplit, the error is fixed. ...
InstancedStaticMesh instances fail to render on a mobile device
UE - Graphics Features - Nov 13, 2014When a project with an InstancedStaticMesh is used in a level, the static mesh is failing to render on a mobile device Tested on a nexus 5 and an iPad air OS 8.1 ...
Actor Component Replication Not Working on Dynamically Spawned Components in Blueprint
UE - Networking - Aug 7, 2018Actor components that are spawned dynamically through Blueprint are not being properly replicated to the client. Found in 4.20 CL# 4233996 and reproduced in 4.21 Main CL# 4258917 Unable to test i ...
Set Actor Enable Collision is not replicated
UE - Networking - Jul 14, 2015Set Actor Enable Collision is not replicated. Reproduced in 4.7.6, 4.8.2, and Main (//depot/UE4/Promotable-CL-2619427) ...
Alpha blending is done twice when using RenderOpacity of RetainerBox's parent slot
UE - Editor - UI Systems - UMG - Feb 10, 2023Licensee reported that alpha blending is done twice in the code below, and the fix below seems to fix it. .\Engine\Source\Runtime\UMG\Private\Slate\SRetainerWidget.cpp From:const FLinearColor Compu ...
Crash in DX12 UpdateTexture2D
UE - Graphics Features - Jan 24, 2017RHIUpdateTexture2D uses the wrong size for the per-row memcpy, which means we can't support passing in an offset within a larger image in the SrcData pointer (doing so will result in an access viola ...