Cascade velocity aligned particles jitter when "use local space" is enabled

UE - Niagara - Sep 2, 2020

Sprites in a particle system flicker/shake when use local space is combined with small velocity values and velocity aligned sprites. Reported and tested in versions 4.25.3(CL 13942748), 4.24.3(CL 1 ...

Regular UMG Widgets can be reparented to editor widgets but do not work.

Tools - May 11, 2020

This may just need to be closed, we may not be able to control this at such a level.  This really comes up more than you would guess.  I think almost everyone has made a widget, wanted to call Edito ...

Draw Brush Polys is not displayed when Separate Translucency is enabled

UE - Rendering Architecture - RHI - Mar 9, 2020

This is working properly in 4.21.2 ...

D3D12RHI crash using laptops internal display

UE - Rendering Architecture - RHI - Feb 17, 2020

Running the engine with DX12 enabled on MSI GS75 Stealth 9SF results in a D3D crash when using the internal display on the laptop. *Note: Unable to reproduce the crash. The user receiving the cra ...

Reset seed on emitter looping not working properly

UE - Niagara - Dec 31, 2019

The "Reset Seed on Emitter Looping" has no effect when enabled.   Tested in: 4.22.3 CL#7053642 , 4.23.1 CL#9631420 , 4.25 CL#10868506 ...

VR Preview + Wireframe View Mode = Wireframe only in Left Eye

UE - Platform - XR - Dec 16, 2019

Wireframe View mode only rendering in Left Eye. Was working pre rendering-refactor (4.21) Confirmed in 4.25 MAIN @ CL 10730208 ...

New key value pairs added to a data table are not able to be found until the project is reloaded

UE - Gameplay - Dec 13, 2019

Adding a new key to a dataTable deriving from c++ will not be found until the entire project is reloaded. Download link to test project: https://github.com/sorkNasrk/testbug ...

Landscape Tutorial Missing a Word

Docs - Dec 9, 2019

In the Landscape Tutorial Overview there is a word missing in the tutorial. ...

AudioMixer has private include in public header

UE - Audio - Dec 4, 2019

It is possible to receive a compilation error when including a public header (AudioMixerDevice.h) because it includes a private header (AudioMixerSourceManager.h)  Tested In :  4.22.3 CL#7053642  ...

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 ...