Void Interface functions cannot be overridden in Blueprints

UE - Gameplay - Blueprint - Feb 10, 2015

A Blueprint Interface function that does not have an Output cannot be overridden in a Blueprint implementing that function. The function does not appear in the Interface section of the My Blueprint ...

Linker errors when deriving from ADecalActor in game

UE - Gameplay - May 6, 2015

Cannot derive from ADecalActor in your game modules as not all of the functions are exposed and you get linker errors. ...

World Composition origin shifting does not account for shifting the Dynamic Directional Light shadow casting

UE - World Creation - Worldbuilding Tools - World Composition - Aug 9, 2016

Directional light does not cast dynamic shadows after origin rebasing using world composition. There is an attached project that reproduces this. To see that the shadows load primarily where the l ...

Post Process Effect Screen Percentage Not Functioning

UE - Graphics Features - Mar 18, 2015

The Post Process setting "Screen Percentage" does not seem to work at all. After looking at the example provided in the documentation highlighting the Content Examples map with this feature, I was ...

Custom Fonts do not show up properly in HTML5

UE - Platform - Mobile - Apr 24, 2015

Custom UMG fonts do not show up correctly when launching to HTML5 from a packaged project. The fonts show up correctly for Windows packaged projects. ...

UMG Tooltips are tiny and unreadable

UE - Editor - UI Systems - Jul 1, 2015

When hovering over tooltips, the windows pop up at a very small, unreadable size. ...

Screenshot console command does not work properly on mobile devices

UE - Platform - Mobile - Feb 3, 2016

Screenshots taken by the console command Shot or HighResShot are not being saved on Android or iOS devices. ...

Particle Parameter Won't Update If Used With EventReceiver Spawn

UE - Niagara - Jan 26, 2017

Particle Float Parameter for the EventReceiver Spawn doesn't update when accessed via blueprint it just retains whatever default value is assigned in cascade. I've confirmed other modules work as ex ...

Graphical issues in editor after changing monitor resolution on Linux

UE - Platform - Linux - Feb 23, 2017

Changing the monitor resolution on Linux causes Editor windows to show graphic errors. ...

OnRep functions not overrideable in child BPs

UE - Gameplay - Blueprint Editor - Feb 27, 2018

The function that is Auto-Generated when creating RepNotify Variables is not overrideable in child blueprints. (Potentially involved with the inability to add inputs/outputs to OnRep_ functions) ...