Permanent FPS Drop After Using High Resolution Screenshot With Planar Reflections

UE - Graphics Features - Mar 9, 2017

After taking a high res screenshot with a planar reflection actor in the scene the engine will experience a permanent performance hit relative to the resolution of the screenshot. For example if you ...

BlueprintNativeEvents are not overridden correctly with multiple levels of inheritance

UE - Gameplay - Blueprint - Mar 9, 2017

When overriding a BlueprintNativeFunction in a child class, if the inheritance is multiple levels deep, the override does not work correctly. As shown in the reproduction steps, this the example to ...

Warning spam on opening a level that contains actors with a childActor component

UE - Gameplay - Mar 9, 2017

When opening a level that contains actors with a childActor component, "LogSpawn:Warning: UWorld::DestroyActor: World has no context!" warning will be displayed for each actor. ...

Packaging fails if a nativized Blueprint inherits a TArray from a parent code class that is of type TSubclassOf< SomeClass >

UE - Gameplay - Blueprint - Mar 8, 2017

Packaging will fail if a Blueprint is set to be nativized, and it includes a TArray inherited from a parent code class that is of type TSubclassOf< SomeClass >. REGRESSION: Unknown. Blueprint nativ ...

Crash after clearing the animation from a sample point in a 1D Blendspace

OLD - Anim - Mar 8, 2017

Regression: YES, sort of. The ability to change the animation from a dropdown didn't exist in 4.14 Error message: Fatal error: [Link Removed] [Line: 160] Ran out of memory allocating 51539607528 ...

FBlueprintCompileReinstancer::ReplaceInstancesOfClass_Inner() can fail to resolve reinstanced archetypes.

UE - Foundation - Cpp Tools - Hot Reload - Mar 8, 2017

From UDN. This is a hotreload bug - even though it uses FBlueprintCompileReinstancer. ...

Text block Outline cropped out at large sizes

UE - Editor - UI Systems - Mar 8, 2017

Text block Outline cropped out at large sizes. This affects Grid Panels and was additionally tested with Horizontal boxes with the same result Regression: This issue does not occur in 4.14.3 Binary ...

Stereo off while prox sensor uncovered causes low framerate

UE - Platform - XR - Mar 7, 2017

Inputting 'Stereo Off' while the prox sensor is uncovered will disable stereo rendering but introduces large performance decrease. Stat FPS returns constant 10 FPS / 100 ms. Found on: //UE4/Release ...

Deadlock in FXAudio2Device::UpdateAudioClock() whenever a KVM is used to switch to another input

UE - Audio - Mar 7, 2017

I have 3 machines with one set of keyboard, mouse, and monitors. Switching between machines is required during long running tasks such as cooking. ignore-Switch ...

Rotation popping when attaching the negatively scaled hand mesh of a motion controller the child of a box collision component (left hand)

UE - Platform - XR - Mar 7, 2017

The left hand in the VR template appears to pop as it rotates when assigning the mesh for the motion controller a parent that is a box collision component. This does not appear to affect the right h ...