Lighting Build Fails With High Density Foliage

UE - World Creation - Worldbuilding Tools - Foliage - Jan 16, 2018

Trying to build lighting on a map with high density foliage will fail lighting build or cause the editor to crash. This occurs in 4.15, 4.16, 4.17, and 4.18. There have been multiple reports of this ...

Calling a blueprint function library within a blueprint prevents blueprint from being saved

UE - Gameplay - Blueprint - Mar 25, 2015

Blueprint cannot save when a function from a function library is present in the blueprint unless any alteration is made within the function library. Once editor is closed and re-opened the user must ...

Add Movement Input does not work on any pawn that is not controlled by the player

UE - Gameplay - Player Movement - Oct 13, 2015

Add Movement Input does not work on any pawn that is not controlled by the player. Note: this worked in 4.7.6 and earlier. Test project attached. In it, the Player Controller controlled by the acti ...

Roughness rendering differently on Macs

UE - Graphics Features - Oct 4, 2016

The roughness value for Macs renders differently (less rough or glossy) compared to Windows. It also seems to render as expected within the Material Editor preview window, but when applied to an obj ...

"If" node in material editor still reads ">=" input, it should read ">"

UE - Graphics Features - Nov 18, 2014

In the Material Editor, the "If" node recently received a change for an input which now registers as ">" instead of ">=". This node still reads ">=" for that input. ...

LIVE: Editor crashes when attempting to use erosion tool on landscape (4.6 preview)

UE - LD & Modeling - Terrain - Landscape - Nov 17, 2014

The editor crashes while attempting to use the erosion tool on a landscape in editor. Frequency: 2/2 Callstack: <unknown module>! KERNELBASE!RaiseException() <unknown module>! UE4Editor_Core!FO ...

BlueprintNativeEvents with no return value (void) cannot be overridden in Blueprints.

UE - Gameplay - Blueprint - Dec 22, 2014

BlueprintNativeEvents (and BlueprintImplementableEvents) are not available to be overridden in a Blueprint Graph if they do not return a value. This affects both functions present in source code, as ...

Cannot Delete Folder Containing Sub Folders from Content Browser

Tools - Nov 17, 2016

Cannot delete a folder containing sub-folders from the Content Browser even after contents and sub-folders have been removed. Regression: This does not occur in UE 4.13 ...

Crash when removing or disabling an additive layer track in Persona

OLD - Anim - Oct 3, 2016

Editor is crashing when removing and Additive layer Track in persona. Editor also crashes if the curve is disabled rather than deleted. This is a regression from 4.13 ...

AvfMedia: Many file types supported on macOS and iOS are reported as not supported in UE4

Media Framework - Sep 6, 2016

See also https://forums.unrealengine.com/showthread.php?64082-Media-Framework-Roadmap&p=590662&viewfull=1#post590662 ...