Unreal Engine Issues

Notifies near start of animation do not trigger when played through slots

Notifies near the start of an animation do not trigger when played through slots with either the PlaySlotAnimationAsDynamicMontage or with a Montage. There could be other instances of this, but the ...

Mobile VR Rendering Freeze with World Composition

Rendering freezes on Oculus mobile with World Composition. ...

Cannot Rename Folders in Content Browser Explorer Panel in OSX

On Macs running Yosemite or El Capitan, you cannot rename a folder in the Content Browser Explorer window, but you can rename them in the Contents Viewer to the right (I'm not sure of the correct te ...

Deleting folders in the Content Browser will not delete them permanently from Project Folder

If you delete a folder from the Content browser that is in the Starter content, The folder will reappear if you reopen the project. The only way to delete them would be from Windows Explorer. I als ...

NavMoverComponent ConsumeNavMovementData returns true on any repeat call within the same game frame

UNavMoverComponent::ConsumeNavMovementData returns true on any repeat call within the same game frame, even when there is no nav movement to report. Callers that trust the return value then act ...

Dithered LOD Transitions not Rendering Correctly on iOS with Use Landscape Lightmap feature and Foliage

Dithering appears aggressive and has a screen door-like effect when using the new Landscape Lightmap in combination with Foliage LOD changes. Owen Stupka attempted to reproduce the issue on his iPa ...

Instanced subobjects are not always instantiated as expected.

Instantiation of subobjects does not behave as expected when using the DefaultToInstanced UCLASS specifier. The licensee that reported the issue provided a sample project with some ensures added whe ...

[4.10 P2] UI is offcenter for dropdown menus and tooltips in editor

In Windows 10, on a system set up with 2 970GTX GPUs in SLI, the dropdown menues from the main navigation tabs will be offset and to the lower left of the screen when selected. ...

Translucent material can't get valid custom depth RT on mobile platform and pc preview

TickComponent and PostPhysicsTick in SkeletalMeshComponent can cause simultaneous read/write access

When a SkeletalMeshComponent is restarted by calling in order of   SetSimulatePhysics and SetComponentTickEnabled, the TickComponent and EndPhysicsTick are executed simultaneously. As a result, the ...