Unreal Engine Issues
Unreal Engine Issues
Disappearing components in Level Sequencer Spawnable Camera
UE - Anim - Sequencer - Mar 11, 2019I believe this is similar problem to this UDN reported bug. https://udn.unrealengine.com/questions/438893/view.html It can be avoided by removing the comments in LevelSeuqnceActorSpawner.cpp UEng ...
UAnimSequenceBase::GetNumberOfFrames off by 1
OLD - Anim - Sep 10, 2019Creating a montage from a default frame rate and rate scale sequence reports 1 less frame than the sequence. The difference is a result of UAnimSequence overriding UAnimSequenceBase::GetNumberOfFram ...
Ribbons Don't Follow Their Source Particles When Scaling
UE - Niagara - Mar 23, 2020When Ribbon Data in a particles system that is following is scaled in an instance the ribbons scale appropriately, but they don't follow updated location of their source particles. See the attached ...
Unable to open Unreal Engine after cleaning project in XCode
UE - Platform - Apple - Aug 31, 2020When I have the Epic Games Launcher open as I clean the Xcode project, the top right button will still read "Launch." Clicking on it after the Xcode project is finished cleaning causes the following ...
Importing Vehicle content corrupts SportsCar_AnimBP
UE - Content - Template - Apr 28, 2022If the player imports the Vehicles pack into a blank project some of the cars blueprints will be corrupt and cannot be loaded. This appears to only happen to the Animation blueprints. ...
Building Geometry removes Blueprint Actors from a level
UE - Gameplay - Blueprint - Nov 28, 2022Regression: Tested in UE5/Release-5.0, the issue does not occur so it is a regression. This issue appears to be effecting Blueprint Actors specifically, as creating a Blueprint of any other class d ...
Foliage cannot be selected after deleting a single instance
UE - World Creation - Worldbuilding Tools - Foliage - Jan 12, 2023This issue occurs in both World Partition and Non-World Partition levels, and does not seem to occur with Nanite meshes. You can still select Nanite foliage instances after placing them, but selecti ...
[Attenuation][Air Absorption] - When the listener moves across the min-distance transition point, the HPF pops
UE - Audio - Spatialization - Apr 21, 2022A pop can be heard when crossing the Air Absorption distance range while using an HPF. From Slack: "I tracked it down to specifically the HPF – it's when the filter turns on, it jumps instantly to ...
Cracks in Nanite Tesselated Landscape
UE - Graphics Features - Nanite - May 13, 2024Landscape component edges can become disconnected when using Nanite Tessellation at the edges of weight-blended layers. ...
Flickering shadows/GI when DrawMaterialToRenderTarget is called per tick in PIE
UE - Rendering Architecture - Jul 11, 2024When DrawMaterialToRenderTarget function is called on tick and actors are spawned in game, the lumen shadow/GI visually flickers. Debugging shows that the lumen screen probes are flickering as well. ...