Crash when Rendering a Sequence at resolutions higher than 4K with DX12 and Ray Tracing Enabled

UE - Rendering Architecture - RHI - Jul 2, 2019

The Editor will crash when rendering a sequence at 7680x7680 with dx12 and ray tracing enabled. Found in 4.22 CL# 7053642, 4.23 CL# 7208101, 4.24 CL# 7210422 ...

Searching for invalid setting results in search field being removed

Tools - Oct 13, 2016

REGRESSION: YesWORKING: 3112924 (UE4/Main)BROKEN: 3160080 (UE4/Release-4.14) If the user searches for something that produces no results, the search field will disappear and the user cannot clear i ...

Build error when compiling a code project with the word "Engine" as the last word of the title

UE - Foundation - Cpp Tools - UnrealBuildTool - Mar 9, 2015

When naming a project ending with "Engine" whether there is a "_" or no space separating the name will result in a build error in VS. See attached image for error output. ...

"Combine Meshes" Breaks Material Slot Assignment

Tools - Jan 18, 2017

When importing an FBX with several different meshes and multiple materials with "Combine Meshes" enabled the materials will get assigned to incorrect portions of the mesh. I've included a version o ...

Overlap Events Don't Work On ISM.

UE - Simulation - Physics - Feb 27, 2020

ISMs will generate Hit Events but not Overlap Events. ...

Packaged games do not display PlayerName correctly using Steam OSS

UE - Online - Jan 2, 2016

Packaged games do not display PlayerName correctly using Steam OSS. Does not occur in Standalone. Test project attached. To test, package for Development > Win64. When run (with the Steam client op ...

Camera Rotation Stays locked in Place after Ejecting the Player Controller

Tools - Jul 14, 2015

Camera Rotation Stays locked in place after Ejecting the Player Controller so that even when PIE is stopped the camera position stays locked in it's rotated position rather than returning back to no ...

Child Actor Component reappears after Undoing Parent Deletion

UE - Gameplay - Blueprint - Feb 5, 2018

After loading a map containing a ParentBP with a ChildActorBP, Deleting and undoing the deletion will "resurrect" the original child, and a new child actor is parented to parent. Possibly Related: ...

The font inside of the Text box does not update when changed until the user selects another tab

UE - Editor - UI Systems - Mar 13, 2015

If the user drops a text box into the designer tab and changes the font size (after adding text first) the font size does not update right away. Instead the font size will only update if the user cl ...

Project crashes without callstack when rotating an actor that has been made up of other actors

UE - Gameplay - Blueprint - Sep 3, 2015

User Creates an actor with a static mesh and then adds more components to it. The user then separates these components from the actor transforms them and then adds them back to the original actor. U ...