Setting Fullscreen Mode to "Fullscreen" results in Crash when using 4.23 from source

UE - Rendering Architecture - RHI - Oct 11, 2019

Changing the screen settings to Fullscreen through code or blueprints results in a crash. This only happens in the source version of 4.23 and does not occur in the binary version of 4.23. I have att ...

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. ...

Global SkyAtmosphere and Clouds Issues (Ambient Light)

UE - Graphics Features - Dec 3, 2024

Ambient Light on Volumetric Clouds from Sky Atmosphere always is calculated as if the clouds are at the north pole of the planet. Using a sphere-shaped Sky Atmosphere and Volumetric Clouds causes t ...

Crash when committing level instances containing invalid child actor components

UE - World Creation - Worldbuilding Tools - Level Instances - Dec 4, 2024

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 ...

Skeletal Mesh with Tessellated Material causes Excessive Blur

UE - Graphics Features - Nov 18, 2014

With a Tessellated Material, either Flat or PN Triangles, applied to a Skeletal Mesh when playing, the Mesh has excessive blur when in motion. If you use the same material and turn off tessellation ...

Packaging a plugin from Plugins Editor UI wipes the target folder before packaging

UE - Foundation - Cpp Tools - Plugin System - Sep 23, 2016

"Package Plugin" from Plugin Editor UI will wipe the target folder’s contents first then populate it with plugin files. User was expecting “Package Project” like behavior: Create a new folder in th ...

Creating custom event from function w/ delegate variable parameter does not have input pin for the delegate

UE - Gameplay - Blueprint - May 29, 2015

When using a delegate variable as a function parameter, dragging off of the delegate pin of an associated function BP node to create a custom event will create a default custom event without the inp ...

Static mesh with simulate physics does not update for clients joining after a session has started

UE - Networking - Apr 22, 2016

Static mesh with simulate physics does not update for clients joining after a session has started ...