Unreal Engine Issues

Recent change to Material Expression code missing a case for "exp2" function in switch (cpp)

The function "FMaterialDerivativeAutogen::GetFunc1ReturnType(...)" does not have a case for "EFunc1::Exp2". Also found in Release-5.4, CL: 331987674 ...

Collision build of LiDAR point cloud assets at runtime does not apply

Collision build at runtime for LiDAR point cloud does not apply. This applies to Editor and Standalone. If you do not allow collision builds at runtime, this module should not be available at runtim ...

LiDAR assets do not render in after relaunching the engine

LiDar point clouds are failing to render when saving and relaunching the project This issue is occurring in //UE5/Release-5.3 @ CL 26560699 This issue is occurring in //UE5/Release-5.3 @ CL 2600198 ...

Can't update thumbnail of Texture 2D Array asset when upate source texture resource.

Texture2DArray asset thumbnails are not reflected when the source file texture is changed. Once a Texture2DArray asset is opened and loaded, the thumbnail will follow any subsequent source file upda ...

[CrashReport]UnrealEditor-DatasmithImporter!FDatasmithImporterHelper::ImportInternal(UFactory *) [DatasmithImporterHelper.cpp:218]

Generated from CrashReporter ...

Crash when importing Alembic data with a large number of vertices if Merge Meshes is enabled.

Streaming Nodes and Runtime LiDAR point clouds causes Engine to Crash

Frequent runtime operations on Lidar Point Cloud Octree cause Access Violation ExceptionEdit The Exception occurs while checking bInUse value of QueuedNode, which suggests that this QueuedNod ...

Crash in point cloud when building collision

From a user report: It happens after I play the game in a new window from the editor. I noticed it may be related to building collisions for a point cloud on runtime: [Link Removed] If I don't bui ...

Level Variant Bindings are lost when saving level with a different name

When saving a level, that has a level variant asset in it, with a different name, the bindings within the level variant are broken. ...

Re-import Groom asset not working in UE5-Preview2

When "re-import" or "re-import with new file" a groom asset in UE5 Preview2, the groom failed to update with the new data/file, still ...