Unreal Engine Issues
Unreal Engine Issues
Float Curve evaluation may yield completely wrong results due to floating-point precision issue
UE - Anim - Runtime - Oct 31, 2024Note: This is possibly related to [Link Removed]. For some inputs, function UE::Curves::WeightedEvalForTwoKeys() inside file "CurveEvaluation.cpp" can incorrectly return the value of the first key, ...
CreateD3D12Texture causes the Low Level Memory system to register two allocations for the same pointer on the same track channel
UE - Rendering Architecture - RHI - Oct 31, 2024CreateD3D12Texture causes two OnLowLevelAllocs in LLM to be called with the same pointer and the same channel, leading to a warning. LLM WARNING: Replacing allocation in tracking map. Alloc/Free Mi ...
Crash when using SetSkinWeightProfile when using unlimited bone weights.
UE - Anim - Rigging - Oct 30, 2024Licensee is reporting a crash when they are calling SetSkinWeightProfile. ...
Invalid access location compressing a BC6h texture in the editor
RAD - Oct 29, 2024Large texture crashes during Oodle compression with "-stompmalloc". It appears to be an internal Oodle error. Also tested on //UE5/Release-5.5/, CL: 37463908 ...
Depth of Field blur is inconsistent with r.ScreenPercentage == 100 (Dynamic resolution)
UE - Graphics Features - Oct 29, 2024Depth of Field, with "r.DOF.Recombine.Quality = 0" will adjust the size of the depth in focus based on screen percentage. This might be related to over-fitting from the tile classification, because ...
Property Editors fail to import text values for FKeys within array/set/map containers when the key is identified by some valid non-alphanumeric characters
UE - Gameplay - Input - Oct 28, 2024The FKey structure represents a user action input such as a keyboard key, a mouse button/wheel, or a gesture in VR. For the keyboard, it can represent any pressable key, such as letters, numbers, sy ...
A Geometry Collection with Removal-On-Break, after breaking and shrinking until vanished, will reset to the original state (full-size and unbroken) if we toggle between Fullscreen and Windowed while playing as standalone or Packaged Build.
UE - Simulation - Physics - Destruction - Oct 28, 2024A Geometry Collection with Removal-On-Break, after breaking and shrinking until vanished, will reset to the original state (full-size and unbroken) if we toggle between Fullscreen and Windowed while ...
Physics Asset primitives are being created with the default Name as None instead of BoneName_PrimitiveType
UE - Editor - Content Pipeline - Import and Export - Oct 27, 2024When creating Physics Assets, either by automatic creation upon import, creation from skeletal meshes already in the project, or when we press Generate All Bodies (bottom right of a opened Physics A ...
Lighting behavior is unreliable for translucent lit materials, results are inconsistent depending on the editor camera's FOV and the editor viewport's width/height/aspect
UE - Rendering Architecture - Oct 27, 2024When working on the level editor viewport or testing on PIE, the visual appearance of additive/translucent lit materials changes significantly (and abruptly) when varying the camera FOV or the viewp ...
Crash in FPipelineFileCacheManager::RegisterPSOStats
UE - Rendering Architecture - Oct 25, 2024The game can crash when one thread clears RunTimeToPSOUsage while another thread is expecting it to contain a PSO it is registering stats for. Thread A: calls CacheGraphicsPSO() Thread B: calls C ...