Hot reloading after changing custom trigger volume code causes the volume bounds to vanish

UE - Gameplay - Nov 28, 2016

When the code for a custom trigger volume is changed and a hot reload is preformed, the green bounds of the volume disappear and the volume can no longer be interacted with. The bounds do not reapp ...

Editor Crash with corrupted asset when opening within level or via the content browser.

Tools - Jan 5, 2017

Editor will crash when a skeletal mesh has been added to a level and then reopening the project later if you try and access this level. If you attempt to open the skel meshes in the content browser ...

Blueprint compile error can occur when trying to override a BlueprintImplementableEvent that takes a custom enum as a parameter

UE - Gameplay - Blueprint - Mar 1, 2017

When a BlueprintImplementableEvent that takes a custom enum as a parameter is overridden in a Blueprint, it will throw a compile error. The compile error states that the event cannot be overridden b ...

Visibility of World Outliner doesn't affect skylight

UE - Graphics Features - Nov 27, 2018

Visibility of World Outliner doesn't affect skylight. But it affects other kinds of lights like Point Light, Directional Light. I found that USkyLightComponent::CreateRenderState_Concurrent() doesn ...

Param usage bug when using switch params

UE - Rendering Architecture - Materials - Mar 28, 2022

From the ticket: In a material instance using the attached master material if A is TRUE and B is FALSE I expect to be able to configure param C in the UI. However param C is shown only when Useswi ...

Wrong normal map compression settings when importing USD file

UE - Editor - Content Pipeline - USD - Apr 22, 2022

Customer Comments: this is just a workflow issue where you need to set the compression settings to normal or tick the sRGB checkbox to fix the shading issue Regression testing done in //UE4/Rele ...

BP - Invalid component variable reference 'Access None' spam in a dedicated server build if the component class returns 'false' for NeedsLoadForServer().

UE - Gameplay - Components - May 10, 2016

If a component class returns 'false' for NeedsLoadForServer(), then variables will not be included in the class in a cooked/packaged dedicated server build, and thus any variable references in scrip ...

Manually importing LODs are rotated 90 degrees when using Transform Vertex to Absolute

Tools - May 26, 2016

When importing a Static Mesh if you use the default settings and then manually import any LODs for that static mesh they will be rotated by 90 degrees. I found that disabling Transform Vertex to A ...

Color Picker will open half or more off screen

Tools - Dec 15, 2015

Users are experiencing an issue where the color picker is opening half or more off screen. This is particular bad for users who only have one monitor. It is most prevalent in a UMG Widget BP, but ...

Allow Window Resize has no effect on Linux

UE - Platform - Linux - Jun 8, 2017

Checking the option for Allow Window Resize in Project Settings allows a the borders of a standalone window to be grabbed and used to resize the window. This does not behave the same on Linux and t ...