Unreal Engine Issues
Unreal Engine Issues
Users are unable to create projects when the default project location is a networked drive
UE - Editor - Oct 23, 2024There have been multiple reports of this issue, particularly from schools, over the last 10 years:https://forums.unrealengine.com/t/invaild-folder-path-with-network-user-drives/283475https://forums. ...
"Scale for <ComponentName> has a component set to zero, which will result in a bad body instance" warning spam when moving actor instance even with Collision Profile overriden to "NoCollision"
UE - Runtime - Simulation - Jan 12, 2026When a StaticMeshComponent has a scale component of zero in WorldSpace (after accumulating with the hierarchy from the root to it), function UPrimitiveComponent::OnCreatePhysicsState() logs the warn ...
D3D HUNG crash with Aftermath result: CullLights
UE - Graphics Features - Apr 27, 2017This is a specific subset of D3D HUNG crashes from [Link Removed]. This JIRA is for the crashes with the following results from Aftermath: [105]LogRHI:Error: [Aftermath] Status: Timeout [105]LogR ...
Linux crash upon opening maps in Soul: City content pack
UE - Graphics Features - Jan 29, 2018Opening the maps from the Soul: City asset pack on Linux causes a crash. This seems to be rendering related. It was originally reported as a Vulkan specific issue but we've reproduced it without Vul ...
BaryCentric comparison inaccuracies
UE - LD & Modeling - Modeling Tools - Mesh Editing - Nov 12, 2019A user reported FMath::SegmentTriangleIntersection returning false negatives, seemingly due the results of FMath::ComputeBaryCentric2D being checked with strict inequality as opposed to non-strict i ...
Actor loses attach component when parent actor goes in and out of relevancy
UE - Networking - Jun 17, 2019As described in the linked UDN, non-replicated components aren't being hooked up properly after an actor goes out & back into relevancy. The proposed fix sounds correct, calling MoveMapedObjectToUnm ...
Steam UI overlays do not appear on mac
UE - Platform - Apple - Mar 10, 2015When adding shootergame to steam as a non steam game, the overlays do no appear when launching. ...
Lumen Global Distance Field Trace Leaking due to Surface Cache Sampling
UE - Rendering - Graphics Features - Jan 12, 2026At specific distances from a thin wall, surfaces inside of a sealed chamber can receive indirect lighting from outside, leaking light into the chamber. This appears to be due to how SWRT handles sa ...
GameplayAbilitiesSystem: GameplayCues OnRemoved never firing
UE - Gameplay - Gameplay Ability System - Nov 15, 2023This behaviour was introduced in the following changelists in 5.3: CLs 25371706 and 25407985 https://github.com/EpicGames/UnrealEngine/commit/6e985ceeb98bc0d166756ccd3e3c0b0350d02265https://github. ...
Cannot deploy to iPad
UE - Platform - Mobile - Mar 4, 2015User has a problem with the deployment server failing when deploying to his iPad. https://answers.unrealengine.com/questions/185064/472-ios-install-bug.htmlhttps://answers.unrealengine.com/question ...