Crash occurs loading a sublevel containing landscape with ray tracing enabled

UE - LD & Modeling - Terrain - Landscape - May 13, 2020

In raytracing enabled, When loading a sublevel containing landscape with LoadStreamLevel function following error is shown. Assertion failed: Pair != nullptr [Link Removed] [Line: 584] Licensee re ...

Sequencer transform origin not updated on first frame

UE - Anim - Sequencer - May 13, 2020

When the level sequence is evaluated from calling play on a level sequence player the level sequence actor does not have an opportunity to tick, which is where the transform origin is calculated. ...

Set Playback End will cause a sequence's upper bound to be inclusive.

UE - Anim - Sequencer - May 14, 2020

FSequencer::SetPlaybackEnd calls SetUpperBound which creates a TRangeBound with the default bounds type, so the end frame will be inclusive instead of exclusive. ...

When enabling virtual texture lightmaps it looks different viewing

UE - Graphics Features - Lumen - May 15, 2020

After switching the Virtual texture lightmap on/off, it looks different. It looks like there is a difference in the light map because there are some missing shadows (see attached screenshots). ...

Inconsistent memory usage bump when using SceneCaptureComponent2D on iPadAir2

UE - Platform - Mobile - May 18, 2020

I do not have access to an iPad Air 2 so it is impossible for me to reproduce, but it seems that when using SeneCaptureComponent2D on the device, memory usage will increase drastically. ...

Blueprint properties of replicated subobjects don't replicate by default

UE - Networking - May 18, 2020

The base implementation of UObject::GetLifetimeReplicatedProperties doesn't check to see if its class is a blueprint-generated class and add its properties, like UActorComponent::GetLifetimeReplicat ...

Enabling "Edit Layers" results in a loss of precision when importing an heightmap

UE - LD & Modeling - Terrain - Landscape - May 20, 2020

Importing an heightmap while having Edit Layers enabled results in a loss of precision: [Image Removed] ...

Instance components duplicated via the in world component editor are destroyed on level reload

UE - Gameplay - Components - May 21, 2020

Instance components aren't flagged correctly and are removed on load as a result. ...

Remove reference to editor assets in cooked build from landscape visibility layer

UE - LD & Modeling - Terrain - Landscape - May 21, 2020

As soon as the visibility tool is used, we're adding references to the  "/Engine/EditorLandscapeResources/DataLayer" asset from landscape components. If the user decides to cook without editor data ...

Editor will crash during shutdown while a global Find-in-Blueprint tab is open and indexing is active.

UE - Gameplay - Blueprint - May 22, 2020

The editor will crash during shutdown if Blueprints are actively being indexed in the background. ...