UWorld::GetNetMode returns incorrect value during UGameInstance::StartPlayInEditorGameInstance

UE - Networking - Jan 19, 2023

During PIE instance initialization, there seems to be a window during which UWorld::GetNetMode will not return the expected value: before the instance's NetDriver has been created but after UGameIns ...

Video Texture thumbnail does not update after you change its output track

Media Framework - Mar 2, 2017

When updating a video texture's output track, the player preview and world will update immediately, however the texture's thumbnail will revert to default color: Black. When moused over, the thumbn ...

Duplicate "ghost" widgets are created when wrapping multiple widgets with a vertical box (From the Hierarchy panel)

UE - Editor - UI Systems - Mar 23, 2015

If the user selects multiple widget within the hierarchy panel and then right clicks > Wrap with > Vertical box this will create an extra set of the widget that were selected. These widgets will hav ...

Cannot redock designer tab after the tab has been hidden

UE - Editor - UI Systems - Oct 24, 2016

Cannot redock designer tab after the tab has been hidden. There is no way to get the tab back for the designer tab after undocking it and hiding it ...

Wacom Tap to Left Click Doesn't Work with Drop Down Menus

Tools - Nov 23, 2018

While using a Wacom tablet, if you tap to click on drop down menus they will not open up. The menu will appear for a moment then close immediately. Occasionally if you click away from the drop down ...

Full Trigger Press Does Not Paint Foliage in VR Editor

UE - Editor - Workflow Systems - Oct 31, 2016

With foliage selected, half pressing the trigger will paint foliage in the level. A full trigger press will not paint foliage. This is a bug occurring in 4.14 but not in 4.13. ...

Inviting a player to join a game on steam when playing Multiplayer shootout sends the other person an invite to spacewars

UE - Networking - Jun 12, 2015

LN - further notes from CharlieT: This is a global problem. If you go through and add the game to your steam account it will pull up the correct name. However, if you just boot up the game while st ...

The Show Collision console command does not update to show collision on newly spawned actors

Tools - Oct 29, 2014

Using the Show Collision console command will show collision for existing actors, but if a new actor is spawned its collision is not shown. This is problematic when trying to visually debug projecti ...

Materials Are Brighter in 4.24 and 4.25

UE - Graphics Features - Dec 24, 2019

Materials are brighter in 4.24 and 4.25 than they were in 4.23. I created the same basic material in 4.23, 4.24, and 4.25 and the 4.23 iteration was slightly darker. Found in 4.24.1 CL#10756747 Rep ...

Crash when spawning actor with no viewport initialized

UE - Editor - Workflow Systems - Nov 22, 2023

If an attempt to spawn an actor is made before the Level Editor Viewport is fully initialized (i.e. before it has had a chance to get rendered at least once), and that actor has no specific Factory ...