"Scene Capture Component 2D" Causes Big Performance Dip In VR

UE - Platform - XR - Dec 31, 2019

When a "Scene Capture Component 2D" is in a scene it causes a big performance dip in VR. It was ~45 fps from a ~90 fps with the "Scene Capture Component 2D". This doesn't occur if you are running th ...

WildCard Inputs/Outputs Propogate Incorrectly in Macros

UE - Gameplay - Dec 13, 2019

When a macro takes in a two Wildcard inputs and two Wildcard outputs connecting a variable to one assigns the value of all the outputs even if they don't connect (check attached image). You can see ...

r.AllowOcclussionQueries causing "huge RenderQuery Result" wait time in VR

UE - Graphics Features - Dec 3, 2019

Running r.AllowOcclusionQueries 0 command seems to set bWait = true, causing large wait times Tested: 4.22.3 CL#7053642 ,   4.24P4 CL#10387632 , 4.25 CL#10479005 Link to the users video, which ...

UMG Editor Will Compile Incorrect Node And Crash When Called During Runtime

UE - Editor - UI Systems - Dec 26, 2019

The UMG editor will compile as if the blueprints is valid if you make "Get Text" node from a TextBlock variable, delete it and create a EditableText variable with the same name. When running a scene ...

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 ...

Vulkan with Forward Shading & MSAA Crashes

UE - Graphics Features - Dec 23, 2019

Projects crash when the following Project Settings are set: • Vulkan is enabled • Vulkan is the Default RHI • Forward Shading is enabled • AntiAliasing Method is set to MSAA The different engine ve ...

Custom Profiles Don't Update Maps To Cook When One Is Deleted

Tools - Feb 10, 2020

If you delete a map while it is marked to be cooked in a custom profile, then run the custom profile the map won't be deleted from the profile .ulps. I wasn't able to launch using the new custom pr ...

SceneCaptureComponent2D leaks a ton of memory in a Packaged Build

UE - Virtual Production - Mar 12, 2020

This was initially reported in VR but the leak happens in a non-VR setup and environment. GPU utilization jumps to 84% in 4.23.1 and 98%+ in 4.24.3, 4.25, and 4.26. Tested GPUs were GTX 980 and GTX ...

Shader Complexity viewmode does not work on masked materials

UE - Graphics Features - Oct 16, 2019

In engine versions 4.23 and above, the Shader Complexity Viewmode doesn't render appropriately for meshes with masked materials. Tested in 4.22.3 (CL - 7043647), 4.23 (CL - 8386587), 4.24 (CL - 961 ...

Crash When Opening a DataTable Based Off a Struct With a Timecode Variable

UE - Anim - Sequencer - Mar 30, 2020

When a datatable is based off a struct with a timecode variable it will crash when opening. Found in 4.24.3 CL#11590370 Reproduced in 4.23.1 CL#9631420, 4.25 Preview 4 CL#12366721, 4.26 CL#12123513 ...