Unreal Engine Issues

Client Stutters When Interacting With Physics Objects

Characters on the client are stuttering fairly severely when interacting with physics objects, especially when their ping is high. ...

Lighting is unbuilt after reloading a level that has a actor with static mesh components

For a specific level with a simple BP actor that contains multiple static mesh components, lighting gets unbuilt after reloading the level, even when there is no change in the level. "LogStaticMesh ...

Collision is not generated for Planes

Single Planes do not generate collision on import or with the Convex Decomposition window. Workaround: box Collision can be added via the Collision > Add Box Simplified Collision. I checked as fa ...

GetSubPaths does not return any paths when used in Standalone

Using the GetSubPaths command in Standalone does not return any paths. From the answerhub user's research, it seems that CachedPathTree in AssetRegistry.cpp is not being initialized like it is in ei ...

Local player's Motion Controller input appears to control remote client's Motion Controller Components on listen server

By default, the local motion controller would move remote player's motion controllers as well. Add the following to the beginning of the tick function in the MotionControllerPawn blueprint makes it ...

Rep Notify is not getting called on the client

I've been looking into replicating HMD movement across the network I found a thread where there was an example "MPRepro" to show the how to do this, but testing that example, I see behavior where ...

Crash when adding multiple collision types to a mesh

Adding various collision types to a single mesh will cause it to hard crash the editor. No Crash Reporter window will open. Note that this happens with the user's mesh, but I was not able to repro ...

Second UVs wiped when using Merge Actors Tool

The merge actor tool no longer saves additional UVs used for the merged mesh. This was not the case in 4.13, but in 4.14 and later this information is no longer present. Also worth noting is that i ...

UObjectLibary::RemoveObject removes from the wrong array

The UObjectLibrary::RemoveObject function has mixed up logic inside of it that causes it to remove objects from the incorrect array. It currently removes from the Objects array if bUseWeakReferences ...

HISMC UpdateInstanceTransform blueprint function does not update bounds correctly