Unreal Engine Issues
Unreal Engine Issues
UE 5.5 delayed Python initialization causes issues
UE - Editor - Workflow Systems - Oct 28, 2024From this UDN: [Link Removed] The customer reports that this issue did not happen in 5.4. ...
Fix deadlock between sk component and sk build or import
UE - Editor - Content Pipeline - Import and Export - Nov 27, 2024Fix deadlock when skeletal mesh component is shown in the detail panel with physics body section category open and the skeletalmesh is re-importing or doing any other asyc task that need the game th ...
[Interchange] Time zero bind pose do not support multiple bind pose for the same bone
UE - Editor - Content Pipeline - Import and Export - Nov 27, 2024If you import a model containing multiple mesh using the same bones but with different bind pose, the time zero skin result will be wrong. ...
Check inside FAssetSourceControlContextMenuState/FPerforceSourceControlProvider
UE - Editor - Workflow Systems - Oct 31, 2023The async execution from within the context menu state is not cancelled properly when closing the context menu. This means that when rapidly opening and closing context menus there will be corruptio ...
Translucent light grid injection behavior
UE - Graphics Features - Nov 15, 2024Light injection into the Translucent Light Grid voxels does not use the correct location for clipping or attenuation. Both of these points are outside the voxel that is being updated. Light attenua ...
Twinmotion processes may not fully close on Mac after exiting program
TM - Core - Aug 14, 2024Reported to support in SF [Link Removed] and reported on reddit at [Link Removed]. For Twinmotion 2024.1 on Mac, some users are reporting that Twinmotion processes are still running after closing t ...
Large World Coordinates appears to not work for Niagara Mesh Particles
UE - Graphics Features - Nov 28, 2024When a Niagara System is placed at around 10^8 units away from the origin, the movements of the mesh particles aren't smooth as expected, but jumpy. These particles behave as if they are using a flo ...
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 ...
D3D12Texture::Lock incorrectly sizes staging buffer when locking block compressed resources
UE - Rendering Architecture - RHI - Oct 23, 2024D3D12Texture::Lock computes the size of the staging buffer on Line 1541 of D3D12Texture.cpp. This size uses the RowPitch, which for BCn resources encapsulates the size in bytes of a single row of bl ...
Regression: Asset Action Utility "Supported Classes" setting is not working correctly when "IsActionForBlueprints" is true
UE - Editor - Workflow Systems - Aug 16, 2024When creating an Editor Utility Blueprint derived from "Asset Action Utility", UE allows the user to override function "IsActionForBlueprints". When it returns true, the "Supported Classes" setting ...