Arguments of position invalid when Launch Game on UE4Editor in the command line.

UE - Graphics Features - Dec 4, 2017

Arguments of position invalid when Launch Game on UE4Editor in the command line. Once displayed at the argument position. Then move to the center. I tried it in 4.13 and it displayed correctly. ...

EQS Debug Draw Shows Old Query Information

UE - AI - Sep 26, 2019

Sample project: [Link Removed] Debug draw update correctly: [Link Removed] Debug draw update incorrect: [Link Removed] ...

Cascade sprite scales incorrectly / flickers when set Screen Alignment to Velocity

UE - Niagara - Dec 10, 2019

Very easy to reproduce. uasset file provided. Doesn't happen in 4.22.3 ...

Using TableViewBase class causes compile errors

UE - Editor - UI Systems - Slate - Jun 25, 2015

Attempting to derive from or include TableViewBase in another class causes compile errors with no additional code added. ...

Costs of Static Lights on Render Thread

UE - Graphics Features - Jun 9, 2016

A Japanese developer's making a scene that has over 4000 static point lights. They thought the lights don't affect rendering in runtime. But they realized the RenderThread's costs become bigger. I ...

Materials Using the Time node have a different time when used in a widget than those applied to object in the level

UE - Editor - UI Systems - Aug 16, 2017

The time on a material that is used in UMG does not sync up with the time provided in the same material when used on an object in the scene. The time continues to tick up from the time the editor is ...

Performance hitch when creating widgets with child widgets containing animations

UE - Editor - UI Systems - Feb 14, 2018

When creating widgets that contain child widgets with animations, the performance appears when adding animations via child widgets. If the same amount of animations are created in a widget, the perf ...

Static mesh view can't preview highlight for selected edge when generated lightmap UVs

Tools - Mar 7, 2018

Static mesh view can't preview highlight for selected edge when generated lightmap UVs. I saw a bit of code. The cause of this problem arises because UV data to identify the selected edge is none i ...

Blocking Volumes don't all update after multi-edit in geometry mode

UE - LD & Modeling - Modeling Tools - BSP - Sep 6, 2016

When editing multiple Blocking Volumes in geometry mode, only one Blocking Volume will properly update it's collision. This seems to just be an update issue. Moving or editing any BSP will cause t ...

Bottom of Media Player Video clamped on Oculus Quest

Media Framework - Jul 10, 2019

On Oculus Quest - The bottom portion of Media Player Textures are clamped. Confirmed in 4.24 MAIN @ CL 7226586 ...