Unreal Engine Issues

Widget Blueprints Fail to Compile When Copying Collapsed Graphs into Functions

Collapsed blueprint nodes that are copied and pasted into a function graph of a Widget will cause a fatal error when the blueprint compiles, as seen in the callstack, and will provide the message: " ...

Nesting a Structure in another Structure results in a 'Cannot parse value'

This is a regression. Tested in //UE4/Release-4.27 CL#18319896 Nesting a Structure in another Structure results in a 'Cannot parse value' until the data value is updated. If the second structure is ...

On Instance Take Radial Damage will not receive radial damage against Foliage

Different results in //UE4/Release-4.27 CL#18319896 On Instance Take Radial Damage will not receive radial damage against Foliage. ...

Foliage instance moves in editor causes PerInstanceRandom corruption

SK: The build code do not look at the alternate skin to do the welding

We need to investigate if we want this behavior or not, if we do not weld the base lod vertices, maybe we will have bad mesh behavior when not using the alternate skinning. The consequence of this n ...

Can't record float properties

Allowed Material Slots in the Sample Static Mesh module is not working properly.

It is behaving correctly in 4.27.2. ...

Crash when cooking landscape collision in world partitioned level

This is caused by the loss of data in the ULScapeHeightfieldCollisionComponent::CollisionHeightData. The CollisionHeightData is not marked as BULKDATA_PayloadInSeperateFile and is processed with a k ...

Hierarchical LOD meshes are not frustum/occlusion culled

Hierarchical LOD meshes are not frustum/occlusion culled ...

The Build Nanite property is disabled after reimporting a mesh that has Build Nanite enabled

Regression no, the issue was reproduced in Windows //UE5/Release-5.0 CL 20280985 repro rate 3/3 After the user tries reimport mesh with nanite enabled from mesh editor the mesh was reimported with ...