Unreal Engine Issues
Unreal Engine Issues
TeleportTo result with Chaos is different from PhysX
UE - Simulation - Core - Jun 25, 2021The result with Chaos is not wrong, rather it returns a correct correction vector, that vector is perfectly horizontal to the teleport buried against the landscape mesh. Therefore, teleportation wil ...
Regression in editor performance in D3D11
UE - Rendering - Architecture - RHI - Mar 3, 2021D3D11Commands.cpp is doing FName resolutions in the critical fast path. This looks to be a regression from the memory freezing refactor. ...
Bug in CurveLinearColor makes colors of Diffraction material white outside curve range, causing rendering artifacts
UE - Texture - May 14, 2025There seems to be a regression with linear textures (commonly for multi-channel masked textures) in UE5.4. Setting the "Encoding Override" (under Texture > Advanced > Source Color Settings) to "Line ...
StableSpringsSystem has lots of warnings
UE - Simulation - Visual - Apr 6, 2026System successfully compiled with 16 warnings. /Engine/Generated/NiagaraEmitterInstance.ush:2732:250: note: variable 'OutMaterialMultiplier' is declared here void SolveDistanceSpringMaterial_Emitter ...
Source control commandlets do not consistently check provider status for read only or checkout and instead rely on read only state of files
UE - Editor - Workflow Systems - Jul 7, 2022Depth does not appear to be vertex offset when using the DistanceToNearestSurface node for WPO
UE - Rendering - Architecture - Materials - Mar 21, 2022When using Lighting Scenario, loading order will affect how it's applied to the instances
UE - World Creation - Worldbuilding Tools - Foliage - Mar 7, 2019When using Lighting Scenario, loading order will affect how it's applied to the instances, resulting in corruption if content is loaded after the lighting scenario ...
Orthographic Rendering - Lumen Reflection Artefacts
UE - Rendering - Architecture - Apr 28, 2023Mutable custom versioning issue from 5.5->5.6
UE - Anim - Mutable - Sep 19, 2025In 5.6, a handful of new entries in `FCustomizableObjectCustomVersion` were added, including `SetDisplayNamePropertyAsPinNameOfTableNodes`. Looking back at the history, `SetDisplayNamePropertyAsPinN ...