Duplicating functions doesn't reset the GUIDs of local variables.

UE - Gameplay - Jun 15, 2023

This is actually a bug with function duplication via UEdGraphSchema_K2::DuplicateGraph. After a function graph is duplicated, the function entry node still retains the same GUIDs for its local vari ...

HLOD fading reset after view reset

UE - World Creation - Worldbuilding Tools - HLOD - Jan 24, 2024

From licensee:When the player pawn teleports inside a structure that is a HLOD, the dithered HLOD fading transition is not properly reset so we can see it re-starting to fade, from the inside. Our ...

Broken TextureTest BP in Landmass plugin base content

UE - Graphics Tools - Terrain - Jul 15, 2024

It appears that the Landmass plugin has a content dependency on the BlueprintMaterialTextureNodes plugin. If the BlueprintMaterialTextureNodes is not loaded, then the blueprint "/Landmass/Landscape ...

Crash occur when loading AInstancedPlacementPartitionActor

UE - Editor - Workflow Systems - May 17, 2022

Crashes when loading an actor that inherits from AInstancedPlacementPartitionActor. There is a serialization size mismatch. ...

Preview Meshes in Material Instances lose their association to material on close.

UE - Rendering Architecture - Materials - Aug 13, 2015

When you assign a Preview Mesh to a Material Instance, save and close the instance, on reopening instance, the Preview Mesh will not retain connection to the Instance and will revert back to its ass ...

[MAC][OPENGL][METAL]: Investigate why planar reflections on translucent surfaces may not be working

Tools - Jun 29, 2015

See Comments. User reported planar reflections aren't being applied to translucent materials on Mac OpenGL, which may also affect Linux OpenGL and Mac Metal. Need to investigate what this feature r ...

DFAO in 4.9 has significant artifacts on some machines

UE - Graphics Features - Jul 30, 2015

Reported in this threadhttps://forums.unrealengine.com/showthread.php?78320-4-9-Horrible-DFAO-artifacts This looks to be a machine specific issue. I'd like to get some testing on different video c ...

Compile failure adding C++ Vehicle or VehicleAdvanced pack to a project

UE - Gameplay - Jan 11, 2017

Adding the C++ Vehicle feature pack to a project fails to compile with the following error:CompilerResultsLog: Info Error: Couldn't find parent type for 'TP_VehiclePawn' named 'AWheeledVehicle' in c ...

UMG Visibility binding resets to default after closing and reopening project first time

UE - Editor - UI Systems - Aug 31, 2017

UMG Visibility binding resets to default after closing and reopening project first time. "Get Visibility" on Button click boolean toggle for widget blue print "False" return node value gets automa ...

Video files do not play in scene after LaunchOn to iOS from Windows

UE - Platform - Mobile - Sep 30, 2016

While attempting LaunchOn to an iOS device, the video and audio does not play. Attempts were made using the following video formats:mp4movavi Attempts were made using the following devices:iPhone 5 ...