Adding entries to TMap in custom asset type not always reflected without restarting editor

UE - Gameplay - Blueprint - Aug 22, 2017

If you adding entries to a TMap in a custom asset type in the content browser, after a certain number of entries the last entry fails to be found with the "find" function for TMaps in blueprints, ev ...

Material loses Material Function reference when both are moved simultaneously

UE - Rendering Architecture - Materials - Oct 6, 2017

Moving a material function asset along with a material using the function causes the material to lose the function reference when the project is restarted. Regression: Yeswith Material and sub fold ...

Collision problem in nativized blueprint

UE - Simulation - Physics - Jan 29, 2019

Issue reported by one of our licensee on the Japanese UDN https://udn.unrealengine.com/questions/480660/view.html ...

Spline Mesh Collision doesn't work in packaged game when spawning them at runtime

UE - Simulation - Physics - May 18, 2020

Spline Mesh Components lose their collision in a packaged game when spawning them at runtime, or modifying them via 'Set Start and End' function at runtime. ...

Show Flags are changed to the state that they were set on editor startup when switching to a different level

UE - Graphics Features - Jun 15, 2018

Show Flags are changed to the state that they were set on editor startup when switching to a different level It appears that the state of Show Flags are stored in the editor on shut down, this is c ...

Editor Crash when changing Default Properties of a TArray of UStucts containing an InlineEditConditionToggle property in Blueprint Parent Class

UE - Editor - Workflow Systems - Apr 5, 2024

This bug causes an editor crash. This crash occurs when changing the default values of a UStructs properties that are used as EditConditions, when they are set to InlineEditConditionToggle within a ...

Adding a StaticMeshComponent pointer to a derived StaticMeshComponent class has inconsistent behavior

UE - Gameplay - Components - Aug 6, 2015

Adding a UStaticMeshComponent pointer to a class derived from StaticMeshComponent allows for two meshes to be set by a single component. Setting two meshes inside a blueprint this way will only allo ...

Class Defaults do not show Texture variables when called from other blueprints

UE - Gameplay - Blueprint - Sep 30, 2015

If class defaults are accessed in an actor blueprint from another blueprint, texture variables will not appear in the class defaults list on the "Get Class Defaults" node. ...

Shadows cast from static meshes are not appearing on characters in Mobile Preview

UE - Graphics Features - Oct 24, 2014

When placing a Static mesh into a level that will cast a shadow and building lighting, no shadow will be shown on a character when walking through its shadow ...