Unreal Engine Issues

Proejcts with vr.InstancedStereo=true crash on Mac

Sounds like neither Multiviewport nor View Instancing (MMV) is not supported on Mac atm, and the logic in StereoAspects asserts. See attached log from a partner. ...

DebugScalarValues floors floats in certain circumstances, giving the incorrect value when a floating point error occurs

SlateScriptingCommands plugin loads too late to receive MainFrame RegisterCommandList broadcast

This was reported on UDN. TL;DR: A user has reported that a custom command cannot be added to the "MainFrame" context in the UUICommandsScriptingSubsystem from their plugin. The problem seems to b ...

AllowAsyncRenderThreadUpdatesEditorGameWorld/AllowAsyncRenderThreadUpdatesEditor CVars are off by default and unsafe in Niagara

This user made a github pull request: [Link Removed] but it was auto rejected. I think that we can consider taking their fixes, but keeping it disabled by default. ...

Save notification stays in lower left corner when editor is minimized

A user has reported that the saving notification sticks on the desktop when the editor is minimized. When you maximize the editor, the saving notification does disappear.I have not been able to repr ...

Importing FBX from blender causes crash

Importing FBX model with Shape Keys crashes editor. This crashes in the SDK so we dont have control over it. Given that this is one of the first things we do on import it is unlikely we are corrup ...

Ctrl-Z does not function in Static Mesh Editor

When applying a Material to a Static Mesh in the SM Editor, an event for the undo function is never created and when you undo you are undoing the last action outside of the SM Editor. Also reproduc ...

Static meshes aren't outlined when selected in Preview Rendering HTML5

When previewing Mobile rendering in the viewport, the outline around static meshes isn't rendered. This does not occur with BSP. ...

Changing Preview Rendering Level hides transform widget

When you change the Preview Rendering Level to Android Preview and then close the project, reopen, and do this again it hides the transform widget. ...

Memory usage spike during PIE doesn't reduce after play session

When opening the editor the memory usage jumps during PIE. After exiting PIE the memory use does not go back down. ...