Unreal Engine Issues

FRayTracingGeometryManager::Tick() called twice during a single frame

UDN licensee Prophecy Games has encountered an issue in which the RaytracingGeometry::Tick() function is called twice during a single frame. This causes an assert to trigger, which blocks them from ...

Is Head Mounted Display Connected always returns True

Camera Animation imported through Sequencer with FBX sometimes loses rotation fidelity

FBX attached[Link Removed] ...

Enhanced input user settings file on consoles may behave unexpectedly after login change

The user settings seem to be initialized incorrectly. I think that this might be because, technically, when you log out and sign back in we might use the same ULocalPlayer in some cases on the conso ...

When running in the Editor, actor owning a UCameraTestComponent that sets DesiredView.Rotation Pitch below -90 or over 90 will attach to the Editor Camera as if it was being piloted

When running in the Editor, actor owning a UCameraTestComponent that sets DesiredView.Rotation Pitch below -90 or over 90 will attach to the Editor Camera as if it was being piloted. The licensee re ...

Incorrect motion baking from Anim Sequence to Modular Control Rig

When using a modular control rig and baking to a control rig directly from an anim sequence, some parts do not bake correctly. ...

Resolution retrieval issues caused by multi-monitor hot-swapping.

I looked into the underlying code, and it seems that this situation is not well handled. One possible solution is to trigger EnumAdapters() when the system fires the WM_DISPLAYCHANGE message. This ...

Clean DocumentDB setup fails indexing

Source [Link Removed] The user has encountered the error log: MongoDB.Driver.MongoCommandException: Command createIndexes failed: Implicit collection creation not supported when creating indexes I ...

MaxDrawDistance set by CullDistanceVolume is lost on saving sublevel

The UpdateCullDistanceVolumes behavior when saving was changed by CL-36588597. Only CullDistanceVolumes in the same sublevel can affect Max Draw Distance. ...

Skeletal mesh ddc key is always regenerated on load when LOD bones to remove are set

In FMeshBoneReduction::ReduceBoneCounts we are calling InvalidateDeriveDataCacheGUID.  If a user has specified bones in the Bones To Remove array for the mesh LOD, this will invalidate the guid.  Th ...