Unreal Engine Issues

Eye Adaptation Inverse node does not work with volumetric materials

The EyeAdaptionInverse node works differently for surface materials and volumetric materials. In surface materials, it allows to have a consistent glow during day and night time, however in a volume ...

The Ease function's Blend Exp reverts to its default value after closing/reopening the editor

The Ease function's Blend Exp reverts to its default value after closing/reopening the editor. Reproduced in 4.6.1 binary and in Main (CL-2408355). ...

Niagara Mesh Renderer causes GPU hang on IOS 13.4.1

Moving an InstancedStaticMesh will not move meshes collision

Moving an instanced static mesh will not move the collision along with the mesh. This will leave a visible mesh that players can walk through in one area and a blank space that cannot be walked thro ...

[CrashReport] Linux crash - FLinuxApplication::CreateLinuxApplication()

This is a longstanding Linux crash that occurs with some frequency each release. ...

Actors attached to Spring Arm with rotation lag avoid pitches of 90 and -90 degree

From User Bug Submission: When an actor/component (e. g. a camera) rotates around another object using the rotation lag of USpringArmComponent, it cannot rotate to the top or the bottom. At these ...

The cloth wrap deformer doesn't scale the mapping influence distances when the character is scaled

The PositionBaryCoordsAndDist, NormalBaryCoordsAndDist, and TangentBaryCoordsAndDist data that all contain the vertex distance information to the simulated triangle in the cloth shader doesn't scale ...

Some debug modes do not work in PIE

It looks like the output of the debug pass is ignored, and the final output from the last frame before the pass was enabled is displayed instead. If the pass is modified to return a different textu ...

VirtualTextureStreamingPriority cannot be set per TextureLODGroup

It is currently not possible to set a VirtualTextureStreamingPriority via the TextureLodGroups that are defined in a device profile. ...

Custom Stencil Buffer Visualization Doesn't Render Custom Stencil Depth

The Buffer Visualization (Custom Stencil ) doesn't render assets that have "Render CustomDepth Pass" enabled. Found in 4.24.2 CL#10758860 Reproduced in 4.23.1 CL#9631420, 4.25 Main CL#11223911 ...