Nullptr Ensure and crash after HotReloading

UE - Foundation - Core - Jan 26, 2017

Following my repro, I hit an ensure and crash. The two times I tried to repro after my first crash resulted in different call stacks. I'll comment the other Jiras once I have them in. One of my cra ...

Editor locks up when adding an element for HTML5 devices on Mac

UE - Platform - Mobile - Feb 6, 2017

The editor will freeze when adding an element inside of the HTML5 Devices section of Project Settings. When the editor is relaunched, the element that was attempted to be added will be present in ...

Single frame of blackness during iOS startup

UE - Platform - Mobile - Apr 13, 2017

When a project is launching on an iOS device, there is a momentary flash between when the splash screen stops displaying and the game window opens. This flash is present even when using transition ...

Instance of BP actor remains in Viewport after undoing create actor

UE - Gameplay - Blueprint - Apr 25, 2017

I was only able to reproduce this with BP actors. In the attached image I also tried to do it with a Basic > Cone, but was not able to repro it. In the instance of the warning above I used BP_AnimB ...

Cannot convert Spline Meshes to Static Mesh

Tools - May 10, 2017

Cannot convert Spline Meshes to Static Mesh. Note that the repro deals with a case where there is only one mesh along the spline. If you split the spline more, you'll see that the created static m ...

New folders don't show up in World Outliner when "Only in Current Level" is set

Tools - Aug 31, 2017

When Only in Current Level is set in the World Outliner, any new folder will be hidden by default since there are no assets from the level in the new folder. This make it seem that the folder wasn' ...

Fatal error when pausing and sleeping when using Launch Windows Game

UE - Graphics Features - Nov 13, 2017

When using the pause command in a launched game and putting the computer to sleep it causes the fatal error "GameThread timed out waiting for RenderThread" when logging back in and resuming work on ...

Exclusive Nativization Method will nativize unselected struct blueprints

UE - Gameplay - Nov 20, 2017

When the Project Nativization method is set to Exclusive, packaging the project will cause any struct blueprint (UUserDefinedStruct asset) to be nativized, without actually setting nativization on t ...

Material Instance Parameter Values Reset When Renamed

UE - Rendering Architecture - Materials - Nov 27, 2017

Per Licensee: We would like to change some of their parameter names, however when renaming a parameter, its value in all of the corresponding material instances resets to the base material default ...

Crash having select foliage mode enabled and clicking in the viewport while simulating

UE - LD & Modeling - Terrain - Landscape - Jan 24, 2018

The Foliage tab is disabled while simulating in the viewport, however if the user has the Foliage Select mode enable when they simulate and click on a foliage instance in the viewport it will crash. ...