Unreal Engine Issues
Unreal Engine Issues
The AABBTree spatial acceleration structure goes off-sync when physics substepping is enabled in a "low" framerate environment.
UE - Simulation - Physics - Mar 15, 2024When you enable the physics substepping, if you run the console command p.Chaos.Solver.DebugDrawSpatialAccelerationStructure 1, you can see how does not follow the physical object. The user that rep ...
Sparse volume textures displayed in Heterogeneous volume only visible in left eye
UE - Niagara - Rendering - Mar 14, 2024Sparse volume textures displayed in Heterogeneous volumes are only visible in the left eye, as well as Niagara Fluid Sims. UDN for reference: [Link Removed] ...
MMB clicking on a track in the sequencer will copy/paste your current frame to that time, but that action doesn't recognize snapping (it'll end up on a subframe)
UE - Anim - Anim in Engine - Feb 27, 2024[Link Removed] ...
Nanite enabled Geometry Collection is not simulated by ChaosCache in package application
UE - Simulation - Physics - Feb 19, 2024When using ChaosCacheManager to simulate destruction of a GeometryCollection, destruction is not simulated when Nanite is ON for the GeometryCollection. In the editor, destruction is simulated rega ...
DeactivateImmedaite does not properly complete the system if it's already been culled by scalability
UE - Niagara - Scalability - Feb 14, 2024[Link Removed] UDN user found issue. Reproduced internally with custom debug code. ...
Create a "Input Device User Mapping Schema" of some kind for PC
UE - Gameplay - Input - Feb 13, 2024When you are playing a game on PC (especially local multiplayer) many developers want to change how input devices are "mapped" to different players. For example, a single player game might want the ...
Camera Shot Blend does not work when Reverse Play
UE - Anim - Sequencer - Feb 13, 2024Camera shot blending on Sequencer does not work when Reverse Play. If we place two cameras in a scene and just blend them by Camera Shot track in sequencer, the view point is interpolated between th ...
InterpCurve<T>::FindNearestOnSegment can return NaN or invalid results
UE - CoreTech - Feb 12, 2024We've had two reports on UDN where FInterpCurve<T>::FindNearestOnSegment returns either "NaN for the final value in the DistancesSq array during the first Newton iteration step." The licensee on on ...
Improve DOF on flickering nanite geometry
UE - Graphics Features - Feb 9, 2024TLDR: need replace DOF's TAA pass with a TSR pass that support Circle of Confusion, and better wuality by having one of each for foreground, slight focus, and background ...
Creating an AnimStreamable asset immediately crashes the editor
UE - Anim - Runtime - Feb 6, 2024When creating an anim streamable we immediately fail a check in the compression code in FCompressibleAnimData::FetchData: checkf(AnimSequence, TEXT("Invalid animation sequence while trying to fetc ...