Unreal Engine Issues
Unreal Engine Issues
ILC/VLM doesn't affect Static Staticmesh at all on Mobile
UE - Platform - Mobile - Sep 23, 2019In practice, developer wants some Static-Staticmesh actors don't build lightmaps to save iteration time as well as Memory and Package size; but still want lit by Indirect lightings ...
Niagara system loses source emitters when moving Engine from 4.22 or earlier to 4.23 or later.
UE - Niagara - Nov 29, 2019The following code causes this behavior.// NiagaraSystem.cpp for (FNiagaraEmitterHandle& EmitterHandle : EmitterHandles) { EmitterHandle.ConditionalPostLoad(NiagaraVer); if (!EmitterHandl ...
SetActorEnableCollision does not affect Destructible meshes
UE - Simulation - Physics - Destruction - Jan 4, 2016Setting the SetActorEnableCollision blueprint node to false does not disable collision for a destructible mesh. Workaround: Adding a static Mesh component and setting any mesh will cause the collis ...
SkyLight is not affecting the volumetric fog
UE - Graphics Features - Lumen - Nov 24, 2022Looks like this behavior was working as expected until 5.1 Preview 2 ...
iOS fails during build step with OSS Facebook plugin enabled due to spaces in filepath
UE - Platform - Mobile - Feb 8, 2019When a user tries to package or launch onto an iOS device they will fail at the build step due to:[3/8] sh Unzipping: /Users/Shared/Epic Games/UE_4.22/Engine/Source/ThirdParty/Facebook/IOS/FacebookS ...
Quality settings should not affect landscape resolution
UE - LD & Modeling - Terrain - Landscape - Mar 10, 2015Changing the quality settings (or having them change on you automatically in the editor) drops mips on landscape heightmap textures, which isn't desirable as it makes it look like there are collisio ...
Snap Constraint to Bone affects rotation but not position
UE - Simulation - Physics - Jun 1, 2016The Snap Constraint to Bone button seems to only rotate and change the limits on a constraint instead of also moving the constraint to the bone's location. ...
Animation retargeting adversely affects looping animations
OLD - Anim - Nov 21, 2014Retargeting a skeleton to a looping animation results in the animation skipping at the end of the loop (Appears to miss 1 or 2 frames.) ...
RootMotion travel distance get affected by ForceAnimRate
OLD - Anim - Nov 24, 2016A root motion controlled character would travel further than they should when both EnableUpdateRateOptimizations is on and a.URO.ForceAnimRate is set above 1. Changing "Root Motion from Montages On ...
4.22.1 Crash in FVulkanResourceMultiBuffer::Lock
UE - Rendering Architecture - RHI - Jul 31, 2019Vulkan Multibuffer Lock mechanism for ReadOnly does not appear to be implemented. Temporary workaround has been provided to licensee. ...