Get Font Size returns 0.0 for default (null) font value

UE - Gameplay - Jan 21, 2015

When using the default value in a "get text size" node, the height and width return 0.0. Note: potentially returning null value as no hard value is presented to font. James: Should use same fall ...

Alpha Textures reimported via overwriting disappear from level

UE - Graphics Features - Nov 10, 2014

When you reimport a texture that has an alpha by Importing and then overwriting the previous texture, all versions of that texture in any material or in the level complete disappear until you compil ...

Unable to open UE4Editor on Linux - Bad hlslcc header found

UE - Platform - Linux - Nov 4, 2015

UE4Editor does not open on Ubuntu 15.10 due to the following error: [2015.11.04-16.19.35:974][ 0]LogOpenGLShaderCompiler:Error: Bad hlslcc header found! Missing '#'!Error in `./UE4Editor': free(): ...

Audio Persists and App becomes Unresponsive when Opening Map and Calling Movies to Load

Media Framework - Nov 17, 2016

A licensee is experiencing odd behavior when using custom code to call a loading movie when opening/loading a level. The licensee has implemented a loading movie to play when calling a map to open ...

Editing an instanced variable that is nested in two other instanced variables causes a crash

UE - Gameplay - Blueprint - Jul 2, 2015

If a user edits a instanced variable which is nested inside two other instanced variables in blueprint editor, a crash will occur ...

Compile error with Local Variable of a Struct that contains a Set or Map type

UE - Gameplay - Mar 7, 2017

Compile error with Local Variable of a Struct that contains a Set or Map type. Standard and array variables work without issue. Non-local variables also work without issue. ...

XR Planar Reflections lag behind VR headset movement

UE - Platform - XR - Mar 24, 2023

Planar Reflections lag behind VR headset movement [Link Removed] Reporting that reflection captures lag because they happen before late update is applied. Includes an experimental patch that fi ...

Large World Coordinates appears to not work for Niagara Mesh Particles

UE - Graphics Features - Nov 28, 2024

When a Niagara System is placed at around 10^8 units away from the origin, the movements of the mesh particles aren't smooth as expected, but jumpy. These particles behave as if they are using a flo ...

OnClicked events do not trigger on objects 100k units away from camera

UE - Gameplay - Mar 26, 2015

Objects that are 100k uu+ away from camera do not trigger "OnClicked" events ...

LIVE: Some Chinese letters do not show when used with UMG when deployed to mobile

UE - Editor - UI Systems - Localization - Nov 7, 2014

When deploying a project to an Android device that uses UMG and Chinese text, Not all text is displayed when deployed to a mobile device ...