Unreal Engine Issues

Metahuman eyes black on close up with ray traced skylight.

[Interchange][FBX] Bone orientation is different between legacy and interchange import with the ForceFrontXAxis

When importing FBX files using the Interchange and legacy import with Force Front X Axis enabled, the transforms of the bones in the imported FBX models will not match. ...

Logstreaming warning when opening the editor: "LogStreaming:Warning: Failed to read file 'Common/RoundedSelection_16x.png' error."

Encountered a warning opening the Editor: LogStreaming:Warning: Failed to read file 'Common/RoundedSelection_16x.png' error. This error is not present in the current Live 4.14.3 Binary. ...

Character No Longer Able to Use Nav Link After NavMesh Update

Causing a Nav Mesh update, such as by moving an actor into the NavMesh that will create a hole, seems to be breaking Nav Link Proxies by preventing characters from being able to use them. ...

Crash occurs when RayTracing.ExcludeDecals is enabled

The cause of the crash is out-of-range access to the array. ExcludeDecals eliminates the mesh instance to which the decal material is assigned, but it seems that the MeshCommand has been registered ...

Collision jitters when going up stairs, causing erratic overlap events.

When overlapping with another object while moving up stairs with a character, the overlap events (OnBegin / OnEnd) that occur will be called multiple times in an alternating fashion. This will also ...

marquee selection in orthographic view selects all bsp brushes, even those not located within marquee selection.

Marquee selection in an orthographic view selects all bsp brushes in level, even if they are not under the marquee selection. ...

GarbageCollection - Ensure occurs when force deleting content that is still referenced in memory

While AdHoc testing in //UE4/Release-4.16 CL 3437809 in Binary – I found that deleting the projectBP folder of any Template project causes an ensure. I believe this issue is due a step in the garbag ...

Vertex Painting - Unexpected behaviour when painting Skeletal Mesh with Low Radius Brush

Unexpected behaviour when painting skeletal meshes with small radius brush. This does not occur with static meshes. Confirmed in 4.25 MAIN @ CL 9730599 ...

Can't assign LightMapCoordinateIndex on Static Mesh with generated LODs

Once a static mesh have generated LODS, the only lightmap index value the static mesh editor's UI accepts is 0. We should be able to set the index to any value between 0 and 3 as long as there are ...