Unreal Engine Issues

Back ground blur causes crash on iphone 5

Back ground blur causes crash on iphone 5 (NOT iPhone5 c or iPhone5 s ) ...

SceneViewport touch input events don't respect Default Viewport Mouse Capture Mode

In Project Settings, we allow users to set Default Viewport Mouse Capture Mode to specify how the viewport handles mouse capturing, with the default setting capturing and releasing the mouse on the ...

Web browser widget does not receive input when used in a 3D widget component on Android

Web browser widgets to not receive input when used in a widget component on Android devices Update: Oculus Quest devs attempting to implement and interact with the web browser widget via widget i ...

SolidWorks 2018 Assembly Datasmith Importer Error

A failed to import error is received when importing various SolidWorks 2018 Assembly files. A lot of the attached models are imported IGS files and were made into SolidWorks parts. Tried testing th ...

Editing Lighting Intensity Field Value Fails

You cannot change the intensity by just adding/changing numbers. You have to completely retype the entire value. Found in 4.21 CL# 4613538 and 4.22 CL# 4681912 ...

Shader complexity mode reportedly broken on Vulkan

Shader complexity reported (on AH) broken on Linux since 4.25. No local repro attempted. https://answers.unrealengine.com/questions/1019826/shader-complevity-view-mode-is-completely-broken-s.html ...

Can start PIE in New Editor Window during PIE instance's online login

When starting a PIE instance using the "Selected Viewport" play mode, the ability to start another PIE session is blocked (handled in FInternalPlayWorldCommandCallbacks::PlayInViewport_CanExecute). ...

Inconsistent Behavior in Hiding Child Actors

Pressing the 'h' key only hides the root actor and none of the children, unlike the scene outliner where clicking the eye icon hides the root actor and all children. This appears to be because edac ...

Virtual texture fallback displays in incorrect color space on mobile platform (VT:OFF) Preview

PhysX Crash when Spawning Destructible Meshes at Runtime

I was only able to reproduce this issue after receiving the user's project. The project he provided crashes when I follow his directions, but after looking at the blueprints involved in the crash r ...