Unreal Engine Issues

RecastNavMesh - Agent Height changes back to default value after project restart

When trying to change the value of Agent Height under RecastNavMesh-Default it will change back to its default value when you open back up the project. ...

Morph Target Sets to Zero When Transitioning From 1 to -1 Causing Flickering

-Morph target cycles through all values instead of only alternating between 1 and -1 -Couldn't reproduce in 4.17 -attached a test morph target asset Link to example video from user: [Link Removed] ...

Lighting Build Fails With High Density Foliage

Trying to build lighting on a map with high density foliage will fail lighting build or cause the editor to crash. This occurs in 4.15, 4.16, 4.17, and 4.18. There have been multiple reports of this ...

Destructible mesh loses collision and physics after packaging in 4.18.2

Destructible Meshes are losing collision and physics after a project has been packaged. They will work normally when running PIE. ...

Landscape cooking takes as much as 6 times longer in 4.18

Some developers are finding that the change to add a bunch of shader types to FLandscapeMaterialResource::GetExcludedShaderTypes() in 4.18.2 increased their project cooking times on PC or console by ...

Cine camera doesn't expose the bConstrainAspectRatio toggle in the details panel

In Pose Pin Does Not Immediately Appear for Sub Anim Instance Node

The Sub Anim Instance pin does not appear automatically when the Anim Blueprints are connected in the order listed above. If done in another order the "In Pose" pin appears. ...

UE4 Crashes if multiple Vive Trackers or Lighthouses are used

User reports that if more than 5 trackers are connected, UE4 crashes Suggested fix: Root cause of bug is related to the fact that UE has no setup to receive input events from Vive Trackers. (we ha ...

Haptic effect for Oculus touch does not last longer than ~2 seconds

Haptic effect for Oculus touch does not last longer than around 2 seconds even when set to a longer time. ...

Default values of map variable with instance editable set to true cannot be changed for instances in the level

It appears that the information contained in a map variable that is been marked as instanced editable can not have the information changed from the default values. An instance who values have been c ...