Unreal Engine Issues
Unreal Engine Issues
Post Process Material + Stereo Rendering = Left Eye Black
UE - Platform - XR - Dec 16, 2019Left Eye Renders black in VR when a PostProcess Material is applied. On Quest Right eye renders post process mat and left eye renders scene, but upsidedown. Also occurs in Packaged Project and/or ...
Use mouse for touch enables gesture action on button which makes the button to lost focus to that the button fires onreleased event
UE - Editor - UI Systems - Slate - Mar 20, 2019When Use mouse for touch is enabled, the button fires onreleased event. Here is what I investigated. Use mouse for touch enables gesture action in the button that leads to LongPress gesture fires ...
Crash if the setting of PhysicalAnimationComponent is changed in the same frame as teleport processing
UE - Simulation - Physics - Apr 24, 2020Crash when ApplyPhysicalAnimationProfileBelow node and UPhysicalAnimationComponent :: UpdateTargetActors by UPhysicalAnimationComponent :: OnTeleport run in the same frame. Because RuntimeInstanceDa ...
Remove reference to editor assets in cooked build from landscape visibility layer
UE - LD & Modeling - Terrain - Landscape - May 21, 2020As soon as the visibility tool is used, we're adding references to the "/Engine/EditorLandscapeResources/DataLayer" asset from landscape components. If the user decides to cook without editor data ...
OnObjectPropertyChanged Firing Excessively when FText is Bulk Edited
UE - Editor - Verse Class Editor - Jun 28, 2023If multiple game objects are selected at once and their text field is edited, instead of getting N events, it produces N-squared events. It looks like FPropertyHandleBase::SetPerObjectValue is call ...
GameplayEffects: Inherited UAssetTags and UTargetTags do not update their referenced tags correctly with inheritance
UE - Gameplay - Jan 25, 2024When inherited, it is reasonable to expect the tags added by the parent to be reflected in the children. If the parent is editted after the children, however, tags that are added or deleted are not ...
Screenspace Denoiser creates artifacts for Ray Traced Shadows
UE - Rendering - Features - Ray Tracing - Nov 13, 2023Screen space denoiser creates two types of artifacts: artifacts around boundary for general lighting The artifact is there before 5.2 but since the ray traced shadow denoiser denoises on the sqr() s ...
Level Sequence spending long time validating assets
UE - ACT Character - Control Rig - Aug 31, 2026Hi After migrating our animation project from 5.7 -> 5.8 we notice that some level seqeunces take much longer to save (during validation stage). This issue only exhibits when using control rigs in ...
When using a NavModifier with a NavBoundsVolume being in a SubLevel, unloading the level causes a crash.
UE - AI - Jul 19, 2018When repeatedly loading and unloading sublevels with a NavBoundsVolume, it will cause a crash when using a NavModifierVolume. When the NavMesh is unloaded, it seems that the number of the DirtyLayer ...
Live: Copy & Pasting ForEachLoops will cause them to retain information from the original
UE - Gameplay - Blueprint - Nov 3, 2014If the user copies and then pastes a For Each Loop the loop will retain previous data such as the array type and will cause compiling errors. ...