Unreal Engine Issues

Compute shader TAADilateVelocity crashes on macOS

Summary A licensee recently integrated the Oceanology 5 plugin from the marketplace and it triggered a crash on macOS/Metal.Platform The licensee is running macOS Bit Sur 11.5.2 on an AMD Radeon Pro ...

Packaging failed after create EditorUtilityBlueprint asset inherited EditorTutorial class

Whenever creating the EditorUtilityWidget asset with EditorTutorial as the parent class, the packaging will fail. If the tutorial is not launched the package will succeed. But launched, it will fail ...

PostProcess AnimBP of Skeletal Mesh set to Additional Meshs in AnimMontage is not evaluated

This issue does not evaluate PostProcessAnimBP for skeletal meshes set to additional meshes in AnimMontage[Image Removed] If I opened PostAnimBP directly and compiled it, it also played on AnimMont ...

While playing a MediaTrack in the sequencer, the editor will stop for a few seconds when the sequencerPlayer is paused.

This is also the case when PauseAtEnd is enabled on the sequencer actor and a Pause is applied. After the pause occurs, the log will show the following  LogMediaUtils: Error: Blocking media playba ...

When the AppleProRes plugin is enabled, the playback speed of the video changes in the MediaTrack sequencer.

[AI] GameplayDebugger can be enabled by key press when a Slate widget is focused.

Found by licensee. After debugging, it appears that the Slate input is consuming the KeyDown event which adds the apostrophe, but it passes the KeyUp event back to Player input. The gameplay debugge ...

Marketplace plugins "missing precompiled manifest" on Mac

Summary This issue was reported by a licensee via UDN. It appears that all of the plugins generate a "missing precompiled manifest" error when packaging a project on Mac in UE4.26.2.Licensee Platfor ...

Compilation error when using Particle SubUV in Niagara Mesh Particles with Raytracing enabled.

The licensee has shared the following workaround for modifying NiagaraMeshVertexFactory.ush. struct FVertexFactoryInterpolantsVSToPS { TANGENTTOWORLD_INTERPOLATOR_BLOCK #if USE_PARTICLE_SUBU ...

Focus plane tracking calculations for cinecamera moves wrong direction when tracked subject moves past lens and behind camera

If an actor moves behind the camera while being tracked for focus, the focus plane moves back away from the lens the same distance the actor moves behind the camera. This leads to undesirable behav ...

Focus tracking calculations for cinecamera lose precision when panning camera (moving tracking subject to edges of frame)

Focus tracking calculation is off for keeping focus sharp on tracked object when object moves away from center of camera lens ...