Unreal Engine Issues
Unreal Engine Issues
MAC: Crash on startup
UE - Platform - Apple - Apr 10, 2015"MacBook pro 13 2015 with yosemite 10.10.3 just crashed after launching ue4." The problem is that the recently introduced calls to IsRHIDeviceNVIDIA occur before the Mac code sets the GRHIVendorID ...
[CrashReport] UE4Editor_UnrealEd!FBlueprintCompileReinstancer::ReplaceInstancesOfClass_Inner() [kismetreinstanceutilities.cpp:1880]
UE - Gameplay - Blueprint Compiler - Oct 5, 2017This is a somewhat common crash that has occurred throughout the 4.17 release. Users have not provided any description of their actions when the crash occurred. The callstack is similar to some ol ...
Crash when enabling HZB occlusion culling
UE - Graphics Features - Dec 16, 2020Enabling HZB Occlusion culling results in a reproducible crash. Looks like a community member noticed this back in preview 2: https://forums.unrealengine.com/unreal-engine/announcements-and-release ...
HLOD build crashes when GroupActor is present
UE - World Creation - Worldbuilding Tools - HLOD - May 24, 2022The licensee shared information that a Null check on the following Actor can be used as a workaround. static TArray<UActorComponent*> GatherHLODRelevantComponents(const TArray<AActor*>& InSourceAct ...
Crash in TMap struct deserializer
UE - Foundation - Core - Sep 20, 2016When deserializing a TMap<FString, FString> with the JsonStructDeserializer, the Engine crashes. ...
Changing TeleportRotationThreshold or TeleportDistanceThreshold at runtime fails to change teleport settings
UE - Simulation - Physics - Character - Jan 6, 2017USkeletalMeshComponent::USkeletalMeshComponent() caches off the teleport values for later use and then ignores the exposed values entirely. This should not be the case. We either need to detect chan ...
Bright mesh outlines using Temporal AA with Gaussian Blur DOF
UE - Graphics Features - Feb 17, 2017Since the last engine merge in FN Main, any mesh that silhouettes against DOF will produce a bright, halo like effect on the outside edge. The further away the background is from the silhouetted mes ...
Crash when moving actor on viewport with HierarchicalInstancedStaticMeshComponent.
UE - Gameplay - Components - Aug 28, 2017Create ActorBP has StaticMesh is not assigned to HierarchicalInstancedStaticMeshComponent. Place this actor on the level, and bind the StaticMesh from the Detail tab and add the appropriate Instance ...
Laser scan import: Importing E57 provides the "Operation failed" error
RC - Editor - Aug 21, 2024Data: [Link Removed] I also tested other E57 files, and they were possible to import. This one is from RTC360. [Image Removed] ...
Kerning Issues with Non-Default Fonts (Helvetica) in UMG
UE - Editor - UI Systems - Dec 17, 2015Licensee is reporting that when a font is scaled in a UMG, the smaller the font gets the more the Kerning between certain letters decreases to the point of overlap. This is not as obvious in a View ...