Unreal Engine Issues
Unreal Engine Issues
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Video material previews incorrectly on Mac
TM - RenderingReceived multiple reports of users on Mac computers experiencing issues previewing video materials in Twinmotion 2025.1. When adding video ma...
Editor crash while saving asset during cook operation
UE - EditorIt is possible to experience an editor crash in 5.5.4 when the cook process generates a warning that references an asset while the editor is s...
Rect light LTC textures fail to load when cooking with bSharedLinearTextureEncoding enabled
UE - Graphics FeaturesWhen running a build with bSharedLinearTextureEncoding enabled, View.GGXLTCMatTexture and View.GGXLTCAmpTexture are pointing at the black text...
Sky Atmosphere Material Nodes not Correctly Represented in the Surface Cache for Nanite Enabled Static Meshes
UE - Graphics FeaturesWhen nanite is enabled on a static mesh, lighting contributions from Sky Atmosphere material nodes are not incident on the static mesh and no ...
Investigate Streaming getting disabled on a World Partition map as a side-effect of loading the map as a regular asset
UE - World Creation - Worldbuilding Tools - World PartitionWe recently encountered an odd issue where loading into our main world partitioned map would result in a crash caused by all streaming cells g...
Some features have not yet been supported when using AmbientCubemap as IBL
UE - Graphics FeaturesTranslucent materials do not receive specular highlights and reflections from Ambient Cubemaps set in Post-Process settings. There is a pass"...
Improve time slicing of UWorld::RemoveFromWorld (RouteEndPlay pass and post-RouteEndPlay pass)
When a Level is being removed from world (UWorld::RemoveFromWorld), the time slicing (time limit) is not respected especially if the EndPlay o...
Missing libomp140 DLL causing crashes in Hair Card Generator plugin
EA Motive has run into a crash when using the hair card generator plugin. A missing DLL is preventing them from creating hair cards according ...
iOS launch screen might briefly appear in Portrait before switching to Landscape
UE - Platform - AppleSometimes on the first launch of the game after install, the launch image will be a cropped portrait drawn in landscape orientation, on the le...
Long thin splines with wide tangents do not generate correct collision geometry
UE - Graphics Tools - Terrain - Water[Image Removed] [Image Removed]...