Available network bandwidth is too low for uncapped but slow frame rates

Networking - Sep 24, 2020

The networking system has a max frame rate of 120hz by default. Inside UNetConnection::Tick it computes an estimated bandwidth by using that max frame rate, the engine's max frame rate, and the actu ...

Ray traced shadow sample settings greater than 1 cause shadow artifacts

Rendering - Ray Tracing - Sep 23, 2020

Alternative you can follow these steps to reproduce 1. Create a new project with ray tracing enabled 2. Activate the groom plugins 3. Import a groom asset into the scene 4. Add any light type to the ...

Sequencer unable to bind channel of a value that is part of a TArray

Anim - Sequencer - Sep 23, 2020

Keyframes added to sequencer from a TArray variable are unable to be changed. The value sets correctly but displays red. [Link Removed] ...

Editor hits Asserts when trying to use debug rendering such as ShowFlag.LODColoration

Rendering - RHI - Sep 22, 2020

The assert in BasePassRendering.cpp:693 fires, crashing to desktop when using this console command in the editor, in PIE, and closes out the window when playing in Standalone. Does not crash when us ...

DX12 crash by lost device while building PSO

Rendering - Sep 22, 2020

It seems to be occurred when exiting fullscreen exclusive mode during the PSO build. And it seems to happen during the loading screen as well as the PSO build. What I suspect is that when focus los ...

Creating a 64K texture triggers an out of memory crash

Rendering - Sep 21, 2020

When building very large textures (such as virtual textures) we allocate very large intermediate buffers for compression at full 4 channel float precision. For a 64K texture this can be 64GB in siz ...

Tiling Sprite in UMG uses whole image

Tools - UMG - Sep 21, 2020

When a Sprite that has been created from a Texture Atlas is used in a Widget, it can not be tiled. Instead the whole Texture Atlas is tiled.  Reported in version 4.25.3(CL 13942748). Tested and fou ...

Composure DepthElement Not Producing A Picture

Tools - Virtual Production - Sep 21, 2020

The user tried to use the composure pipeline and followed what is written in the Documentation. All the elements and nodes written out in the documentation worked as expected with the exception of t ...

Dynamic Delegate for Actor doesn't show up in BP Editor

Gameplay - Sep 21, 2020

The delegates for actor should show up in the Detail tab like components. There should be an "Event" group and list all available delegates, and designers can click on the "+" sign to add event on t ...

Decal Fading parameters are completely broken

Rendering - Features Teams - Sep 20, 2020