Unreal Engine Issues
Unreal Engine Issues
LivePP won't react with CTRL+ALT+F11 when debugger is break
UE - Foundation - Cpp Tools - Live Coding - Aug 21, 2019Before we were able to request CTRL+ALT+F11 while debugger is paused, then resuming the debugger (F5), LivePP was kicking, rebuilding before really unpausing the debugger. Now, if I want LivePP to ...
Grass does not show up when I override the Material of LandscapeComponent.
UE - Graphics Tools - Terrain - Landscape - Sep 8, 2021Regression checked in //UE4/Release-4.26.2 CL 15973114 the issue is not reproduced thee ...
MoviePipeline: Can't inherit from UMoviePipelineSetting in BP due to PURE_VIRTUAL
UE - Anim - Sequencer - Oct 28, 2021IsValidOnMaster/IsValidOnShot need to be BlueprintNativeEvents with a default C++ implementation and allow derived classes to override the function. This is needed so that you can create custom set ...
CSM Shadows disappearing at larger coordinates with different FOVs
UE - Graphics Features - Shadows - Apr 5, 2024Cascaded shadows disappear at some FOVs when far from the world origin. This behavior was not present in 5.2. Also found in CL: 32690246 in Release-5.4 ...
Enhanced Input Pressed Trigger firing twice
UE - Gameplay - Input - Apr 14, 2024GetTriggerEvent() in a function bound to an enhanced input action in C++, returns "Triggered" when bound to the "Started" trigger event. ...
[CAD Import] Metadata are totally different when loading an IFC file through TechSoft.
UE - Editor - Content Pipeline - CAD - Apr 22, 2024Foliage HLODs don't respect "Disallow Nanite"
UE - World Creation - Worldbuilding Tools - HLOD - Jan 15, 2025We have a level with foliage meshes that has been placed via the foliage system. We want to place these into HLOD Layers so that we can disable nanite, and thus enabling the imposter LODs at a dista ...
PCG crash when using Attribute Remove Duplicates on partitioned data if one of those sets of data is empty
UE - World Creation - Procedural Tools - PCG Graph - Jul 3, 2025Context: In PCG, the Attribute Remove Duplicates node can be used to remove duplicate attributes from an array. Problem: The licensee has observed that using the Attribute Remove Duplicates node ...
Landscape Layer Blending Painting Issue
UE - Graphics Tools - Terrain - Sep 10, 2025There are two issues when painting landscape layers.Paint: When painting between different layers, square-shaped artifacts or splotches appear.Fill Layer: The blended weights of other layers aren't ...
Artifacts appear on translucent particle systems during camera motion blur
UE - Rendering Architecture - Jul 23, 2025Translucent particle systems exhibit visual artifacts when the camera moves, even though motion vectors are disabled for the particle emitters. While switching the Translucency Pass to "After Motio ...