Montage Root Motion does not work from sub anim instances

UE - Anim - Gameplay - Oct 25, 2019

Root motion from sub instances is not used when the parent instance is marked as 'Root Motion from Montages Only'. Proposed fix is to modify USkeletalMeshComponent::IsPlayingNetworkedRootMotionMo ...

Crash in a packaged project when loading into a level after a nativized Anim BP grabs a PoseSnapshot using a FName

OLD - Anim - Oct 25, 2019

In packaged projects will crash when an animation blueprint that is nativized loads into a new level. The anim blueprint needs to use the PoseSnapshot node with a FName variable passed before loadin ...

D3D12RHI keeps increasing uniform buffer memory with "stat RHI"

UE - Rendering Architecture - RHI - Oct 25, 2019

If any skeletal meshes are not displayed, it stops increasing. Allocation count of uniform buffer is stable. added on February 26 Followings are an additional information from licensee. FD3D12 ...

Crash when renaming a component to same name as a deleted inherited component.

UE - Gameplay - Blueprint - Oct 24, 2019

Fatal error "UE_LOG(LogObj, Fatal,TEXT("Renaming an object (%s) on top of an existing object (%s) is not allowed"), *GetFullName(), *ExistingObject->GetFullName());" is hit in UObject::Rename.  ...

PIE window does not match what was set in the New Viewport Resolution setting

Tools - Oct 24, 2019

Setting the resolution of PIE to 4K Ultra HD results in the new PIE window going very far out of the bounds of 4K. If you are using two monitors the PIE window will bleed over a good bit into the ot ...

[Feature Request] New InstancedStaticMeshComponent API: Add Multiple Instances

UE - LD & Modeling - Terrain - Landscape - Oct 24, 2019

Licensee says that adding multiple InstancedStaticMeshComponent instances can be very slow (main bottleneck being the physics building). I think there's a good case for a method something like:   ...

VoIP loses functionality when transitioning levels.

UE - Online - Oct 23, 2019

VoIP between client and host is lost upon transitioning levels. ...

Packaging for IOS fails using SSH from a Windows Binary Build

UE - Platform - Mobile - Oct 23, 2019

Errors in the log: * Undefined symbols for architecture arm64: * "___isPlatformVersionAtLeast", referenced from: * FMetalResourceHeap::CreateBuffer(unsigned int, unsigned int, unsigned int, mtlpp ...

sRGB flag is enabled when importing hdr image file

UE - Editor - Content Pipeline - Import and Export - Oct 23, 2019

The sRGB flag is enabled when importing hdr files. This is disabled in PostEditChangeProperty, but remains enabled if we do not edit the file. I think the sRGB flag should be disabled for hdr image ...

Graph Editor ZoomToFit fighting user

UE - Editor - UI Systems - Slate - Oct 22, 2019

When using the middle mouse button for panning in a graph editor, the zoom/pan transition effect will not cancel before completion due to manual input, leading to UI/User competition in an undesirab ...