Unreal Engine Issues
Unreal Engine Issues
Nanite displacement on landscapes not rendering on 5700XT
UE - Rendering - Features - Nanite - Mar 27, 2024This only happens on a 5700XT, tested this on the 7900XT and the issue did not occur Initially reported on the Preview 1 forums: https://forums.unrealengine.com/t/unreal-engine-5-4-preview/1763516 ...
MATERIAL_SHADINGMODEL_TOON macro is not propagated to the substrate tool BSDF material on a DDC hit
UE - Rendering - Features - Shading Models - Jul 27, 2026On a DDC hit, the SubstrateMaterialBsdfFeatures variable restored into MaterialCompilationOutput is not copied into SubstrateTranslatorData.SubstrateMaterialBsdfFeatures, which is referenced by the ...
Inconsistent mobility when converting selected actors to a blueprint
UE - Gameplay - Blueprint - Jan 6, 2015Noticed when replying to a user on the forums (link included) When using the "Convert to Class Blueprint" feature in the level editor to create a blueprint from the selected actors, the created blu ...
Smoothing landscape removes landscape collision in smoothed areas
UE - LD & Modeling - Terrain - Landscape - Apr 27, 2016Smoothing user's landscape breaks collision, causing player to fall through the ground at points that have been smoothed. Resampling landscape fixes the error until smooth tool is used again. Regr ...
[Input] Switching levels destroys auto-created Input Component which breaks emitUIInteraction
PixelStreaming - Feb 12, 2019We auto-create a PixelStreamingInputComponent which handles the input coming from JavaScript's emitUIInteraction. This works in a UE4 app with a single level, but it seems that if you change levels ...
Oculus Touch Menu Button Input Not Received When Set In Action Mapping
UE - Platform - XR - Mar 9, 2020The left menu button on Oculus Touch doesn't have it's input received when it is assigned to an action mapping. This looks like it stopped working after SteamVR was integrated into the engine. Foun ...
Blueprint nativization fails using a map type argument as Expose on Spawn
UE - Gameplay - Blueprint - Oct 2, 2020Here's a sample blueprint [Image Removed] The lack of implementation FCustomThunkTemplates::SetMapPropertyByName causes this error.#include "Kismet/BlueprintMapLibrary.h"// The fix needs this head ...
Control rig blueprint spawns with Event Graph rather than Rig Graph when 'Spawn Default Blueprint Nodes' is false
UE - ACT Character - Control Rig - Jun 7, 2021It seems that disabling the 'Spawn Default Blueprint Nodes' editor preference results in control rig blueprints being created with event graphs rather than rig graphs. It doesn't appear to be possi ...
Crash occurs when searching for a directional light on Advanced_Lighting map
UE - Rendering - Features - Jun 14, 2021When using the Place Actors panel on the Advanced_Lighting map a crash occurs when searching for a directional light. I was only able to reproduce this issue on that map. This issue is occurring ...
Save Content Window does not open with Control Rig assets
UE - ACT Character - Control Rig - Jun 14, 2021Closing the Engine while having a dirty Control Rig assset/Window open does not open the save content window and prevents the engine from closing. This issue is occurring in //UE5/Release-5.0-Ear ...