Adding SmartObjectZoneAnnotationComponent to a blueprint actor causes a crash when building the package

UE - AI - SmartObject - Jan 30, 2025

If placing an actor with SmartObjectZoneAnnotationComponent added to blueprint actor in a level, it will crash when the level open. As a workaround, adding SmartObjectZoneAnnotationComponent to the ...

Textures/Materials morphed when BSP is scaled

UE - LD & Modeling - Modeling Tools - BSP - Mar 17, 2015

When you place a texture onto a BSP and resize the BSP, the material/texture is skewed to the size of the BSP rather than staying at the scale it originally was. Work Around: You can resolve this b ...

Material stats incorrectly flag 17/16 samplers even if GL4 allows 32

UE - Rendering Architecture - RHI - Jul 15, 2015

From AnswerHub: Utilising 128 textures in a material does not work in Linux, its still limited to 16 (actual 12) on OpenGL platforms, I looked at the commit that implemented it and I don't see anyth ...

Unable to import editor preference settings

Tools - Nov 18, 2014

QA Regression? Yes: Working:2356762 Broken:2362994 The import button for most of the general editor settings is grayed out. User is unable to import previous appearance settings. Update 06-28-2 ...

Application fails on HTML5

UE - Platform - Mobile - Mar 6, 2015

User is unable to launch his project onto HTML5 without any errors. The game doesn't work as an application, merely a background image. Works perfectly on Windows. ...

First Person Game Mode isn't set correctly for new default levels

Docs - Samples - May 26, 2015

When creating a new default level in the first person template, the default game mode is set to 'pawn' rather than 'first person character'. ...

Setup.sh script does not work in directories with a space

UE - Platform - Linux - Feb 9, 2017

According to AnswerHub, Setup.sh will fail: https://answers.unrealengine.com/questions/427889/building-engine-on-linux-gitdependenciessh-no-such.html ...

Extra Sphere collision is shown when setting it to not be hidden in game for the BP_motionController in the VR template

Docs - Samples - May 11, 2017

Extra Sphere collision is shown when setting it to not be hidden in game for the BP_motionController in the VR template. This also appears to be happening with other debug shapes including the deb ...

Items in the Levels window can no longer be reorganized

Tools - Nov 9, 2017

Some changes were made to the Levels window for 4.17 which allowed sublevels to be organized into folders. It appears a side effect of this change was that levels can no longer be manually reorganiz ...