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 ...

[CrashReport] UE4Editor_HeadMountedDisplay!FDefaultSpectatorScreenController::Helpers::GetEyeCroppedToFitRect() [defaultspectatorscreencontroller.cpp:363]

UE - Platform - XR - Nov 10, 2017

This is a trending crash coming out of the 4.18 release. It has also been experienced internally by QA. User DescriptionsUEQA-Juliet Talcott - minimizing Source Context 352 // Eye rect is t ...

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 ...

GoogleVR rotational input stuttering after disabling stereo rendering

UE - Platform - Mobile - May 16, 2018

In a Google VR project, stuttering occurs when switching from stereo rendering to mono. Seems less like performance and more of a sensor input problem? 4.17 - No repro 4.18 - Unable to package (Ma ...

BP functions with enum-type input argument named 'Category' are erroneously assigned to category 'New Enumerator n'

UE - Gameplay - Blueprint - Jun 4, 2018

BP functions with enum-type input argument named 'Category' are erroneously assigned to category 'New Enumerator n' ...

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 ...

Landscape disappear under mobile preview after reopen level

UE - LD & Modeling - Terrain - Landscape - Jan 4, 2019

When trying to reopen a level with landscape under mobile preview, landscape's render data is not generated correctly. ...

Widget Component blurred by motion when attached to camera

UE - Graphics Features - Apr 10, 2019

Widget component appears to blur while in motion. When compared to other objects in the same frame of reference the widget component is the only one blurring. Regression: Yes This appears to have ...

If setting isActive of Camera's Spawn Track to false and binding the camera to Camera Cut Track, the player camera moves to an incorrect position after the sequencer finishes playing.

UE - Anim - Sequencer - Jun 16, 2020

If the binding itself registered in the camera cut is incorrect, the position of the camera after the sequencer ends becomes fraudulent. ...