Unreal Engine Issues
Unreal Engine Issues
VCAM 2.0 - No signal on iPad from Mac OSX
zComponent - Archive - Jul 19, 2021UDN case link with this ticket [Link Removed] ...
[CrashReport] UnrealEditor-Engine!UStaticMeshComponent::BuildTextureStreamingDataImpl
UE - World Creation - Worldbuilding Tools - Feb 28, 2022Generated from CrashReporter ...
MoviePipeline: Incorrect Caching of Min/Max World Delta Time
zComponent - Archive - Jan 31, 2023To test this issue: Create a C++ class WolrdTimeDilationDebugActor.h in your Project with the following code:// Copyright Epic Games, Inc. All Rights Reserved. #pragma once #include "CoreMinim ...
Chaos Clothing CreateClothActor takes a long time with LODs and Self-Collision
UE - Runtime - Simulation - Jan 21, 2024Spawning an actor with Chaos cloth causes a hitch when LODs or Self-Collision are enabled on the cloth. LODs and Self-Collision seem to compound the issue. Self-Collision requires a collision simul ...
UCommonVideoPlayer/Electra does not work in 5.3
zComponent - Archive - Jan 30, 2024This appears to be connected to playing immediately upon opening. This behavior is not observed when in the Release-5.1 or Release-5.2 streams. With the same setup, the video will start playing on t ...
[Attenuation][Spatialization] - If speaker output is set to stereo, the Surround 2D Non Spatialized Radius Mode doesn't generate any audio
UE - Audio - Dec 12, 2023If Surround 2D is set as the Non Spatialized Radius Mode, there is no fallback option if the user's output is not a surround format (eg stereo). There is also nothing communicated in the Tool Tip. ...
PCG Graph callback fails after compiling blueprint
UE - World Creation - Procedural Tools - Jul 9, 2024PCG graph callbacks in BP do not appear to get called correctly after the blueprint is compiled. ...
GPULightmass baking issues on AMD
UE - Graphics Features - Jul 28, 2025Volumetric Light Maps are not generated correctly when baked with GPU Lightmass on AMD GPUs. The issue has been reproduced on RX 9070, RX 9070 XT, and RX 7900 XT. ...
Landscape visualizers don't work on nanite landscape
UE - Graphics Tools - Terrain - Nov 24, 2025Landscape visualizers do not work on Nanite Landscapes. Also tested in //UE5/Main/, CL: 48569009 The licensee has provided a patch file with a potential fix. ...
HZB occlusion is broken on Instanced Stereo
UE - Platform - XR - Oct 2, 2025Other engine features requiring HZB data (such as per-instance GPU LOD selection occlusion culling or light grid culling) are also impacted regardless of whether r.HZBOcclusion is enabled. ...