Assert When Saving Over Existing Level With Built Lighting

Tools - Apr 17, 2017

While saving over an existing map the engine will crash if both maps have baked lighting. ...

Custom Keyboard Shortcuts for Landscape Visualizers only work in Landscape Mode

UE - LD & Modeling - Terrain - Landscape - Jun 1, 2017

Keyboard shortcuts for landscape visualizers only work while in Landscape Mode, however the visualizers in the viewport dropdowns work in any mode. I believe there needs to be consistency here with ...

Some developers reporting incorrect Preview in VR resolution for Steam VR

UE - Platform - XR - Aug 18, 2020

VR Preview Window is the wrong resolution, just showing the top left portion of the entire view. Somewhat similar symptoms to -[Link Removed]-, not exactly the same though.   This issue has not be ...

FBX Import incorrect Relative Mesh Locations on Blender FBXs using Linked Duplicates

Tools - Nov 23, 2015

Blender FBXs using Linked Duplicates (equivalent to 3dsMax Mesh Instances) are importing losing their relative locations and all meshes are rendering on top of original mesh's location. [Image Remo ...

GameMode::StartNewPlayer calls RestartPlayer() without checking PlayerCanRestart()

UE - Gameplay - Nov 11, 2015

Bug report from UDN thread. https://udn.unrealengine.com/questions/266937/gamemodestartnewplayer-calls-restartplayer-without.html#answer-268579 His point seems sound, we should fix it. ...

MSAA crashes Mac

UE - Graphics Features - Jan 19, 2017

https://forums.unrealengine.com/showthread.php?126489-Test-the-Forward-Renderer-in-your-PC-VR-projects-with-the-4-14-Preview&p=653027&viewfull=1#post653027 ...

EnhancedInput Chorded Actions do not work on higher priority mappings

UE - Gameplay - Input - Aug 21, 2023

Reported from Prismatic: It appears that the Add Mapping Context function currently prioritizes low numbers over high numbers, which seems inconsistent with the function description and some parts ...

When ParallelExecutor is enabled, Japanese build output of VisualStudio garbled

UE - Foundation - Cpp Tools - Sep 19, 2018

From UE4.20, Japanese build output of VisualStudio garbled. Below is a comparison between 4.19 and 4.20. ・4.19.2 1>------ すべてのリビルド開始: プロジェクト:MyProject3, 構成:Development_Editor x64 ------ 1> Clea ...

Cascade Previewer Has Strange Behavior With Particles With Source Movement Module

UE - Graphics Features - Feb 7, 2017

Particles that use source movement will start shooting out violently while in the cascade preview window. You need to have the movement option checked under the view settings. If you also check the ...

Destructible meshes hang after first bounce

UE - Simulation - Physics - Destruction - Jul 9, 2015

Destructible meshes that bounce lose their momentum, causing them to hang awkwardly midair (see attached video). The issue does not appear to occur for low framerates, and would only repro during sc ...