Unreal Engine Issues

AllowCommandletRendering D3D12 device crash

Leaving engine open for an extremely long time builds up memory usage, eventually crashing upon any activity

Edit MattK: Not reproducible yet If the editor is open and used for a long period of time without being closed, it stores memory use. After building up a significant amount of resources building us ...

New blueprints do not Alphabetize themselves as expected

When making new blueprints they are not placed within the content browser as a user would expect. In the example given in the link provided, blueprints ending in "_1" will come before "_10", however ...

UMG widgets with instanced properties reset those properties to default on compilation

This is perhaps a misuse of Instanced properties but the repro info is good so I thought I'd better add it to Jira. See Additional Info URL for details. Checked and happening on: //UE4/Main CL-2884 ...

Import Threashold Time setting ignores decimal entries

Import Threshold Time setting in Editor Preferences does not accept values with a leading decimal point (.25 vs 0.25). UEditorLoadingSavingSettings::AutoReimportThreshold in EditorLoadingSavingSett ...

Using FEditorModeID for the "Mode" console command does not switch the modes tab

Using the FEditorModeID for the different editor modes does not affect actual modes available in editor Modes tab. Example: Command "Mode EM_Foliage" does not switch to the foliage mode Workaround ...

Nullptr Ensure and crash after HotReloading

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

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

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

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 ...