Unreal Engine Issues
Unreal Engine Issues
Attached Project Crashes When Attempting to Open Blueprint
UE - Gameplay - Blueprint - Nov 11, 2015The project in question: [Link Removed] The user is experiencing an issue where they've fixed compile errors on their NPC blueprint, and now are unable to open it without experiencing a crash. Righ ...
BP - Array Get node can result in BP compiler note on load with reference types.
UE - Gameplay - Blueprint - Apr 10, 2017This is similar to [Link Removed], only in this case, the "Array Get" node is implemented as a UK2Node_GetArrayItem and not a UK2Node_CallArrayFunction. The fix for [Link Removed] currently applies ...
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) ...