Editing InlineEditConditionToggle variable value causes editor to crash

Tools - Oct 7, 2016

Editing property with InlineEditConditionToggle meta specifier causes the editor to crash. Workaround: Calling Super::PostEditChangeProperty after property changing code prevents crash from occurri ...

Blocking Volume Not Displaying Properly in Player Collision Mode

Tools - Oct 17, 2016

The licensee has stated that convex mesh generation is failing in KAggregateGeom.cpp from the function KConvexElem::HullFromPlanes. Here is the code snippet they provided: if(!Polygon.Split(-FVecto ...

Crash when using merge actor on static meshes that have been affected by simplygon

UE - Gameplay - Oct 5, 2016

Crash when using merge actor on static meshes that have been affected by simplygon ...

Notifies are retriggered on loop of an animation in Matinee/Sequencer

UE - Anim - Sequencer - May 31, 2016

Notifies are retriggered on loop of an animation in Matinee/Sequencer. This occurs during Sequencer Editor playback and when playing in game. ...

Adjusting play speed for animation causes notifies to trigger multiple times

UE - Anim - Sequencer - May 31, 2016

Adjusting play speed for animation causes notifies to trigger multiple times. Creates a stuttering effect. ...

static meshes snap through static meshes created from bsp meshes to next lower mesh on the Z axis

Tools - Sep 17, 2015

Static meshes do not snap to meshes created from bsp brushes, despite being turned into static meshes themselves. They instead snap to the next lowest mesh on the z axis. ...

Orthographic Camera Preview window does not render materials

UE - Graphics Features - Jan 17, 2015

I am using the orthographic camera preview fairly extensively for making an in-engine Tiling Texture maker. This feature is currently busted since the orthographic camera preview window is rendering ...

Landscape Components incorrectly list size in cm in detail's pane

UE - LD & Modeling - Terrain - Landscape - May 24, 2016

Landscape Components incorrectly list size in cm in detail's pane. The transform values are listed as cm, but should either be meters or shown as the correct scale. The cm scale appears correctly wh ...

PCLaunch.rc.res is not not re-created during the build with -useprecompiled

UE - Foundation - Cpp Tools - UnrealBuildTool - Apr 15, 2016

A linker error is thrown when trying to build a project with -precompile / -useprecompile flags. Linker Error thrown: LINK : fatal error LNK1181: cannot open input file 'D:\UE4\Engine\Intermediate ...

Lengthy Compile Times on Blueprints Containing an Array of Self References When Multiple Instances Exist in the Level

UE - Gameplay - Blueprint - Oct 11, 2016

There are lengthy compile times with a blueprint with 50+ instances in the level that contains an array of self references. On lower-end machines, the compile times are upwards of 10 seconds. Found ...