Unreal Engine Issues

Using "Windows + Up Arrow" does not work before clicking window or change inputmode to UI or GameAndUI

"Win and Up Arrow" is shortcut for changing to fullscreen mode, but it does not work properly before clicking window or change input mode to UI or GameAndUI. probably, Win API caused this issue, an ...

[Feature Request] Provide a reason string when marking a package dirty

eInterdependencies between the assets aren't always obvious, and sometimes are counter-intuitive (e.g. assigning a material to a new type of asset generally requires saving the material after a usag ...

Changes to Material Instance Parent don't appear to propagate to child instances if the child instance's editor window is open

It looks like this occurs when the grandchild instance window is open. If you close and reopen the Grandchild's window the parameter appears as expected. I've attached a project with the setup step ...

Groom bound to GeometryCache is unstable

This issue seems to occur only in 4.27 with DX12. Did not repro in 4.27 with -dx11, nor in UE5 DX11/DX12. ...

Refraction broken when using material function

Licensee has provided a BP workaround ...

TextRenderComponents exist on editor dedicated server instances

It seems as though TextRenderComponents are not intended to exist on dedicated servers. In BaseEngine.ini, they are explicitly excluded: "+ClassesExcludedOnDedicatedServer=TextRenderComponent" This ...

Crash when adding a streaming level to the world through Python

When using the Python plugin to add an existing level as a streaming level, the editor crashes. It seems that this happens regardless of what level is added or what the contents of that level are. A ...

A node in function run even if disabling compile of the node

Disabling BP node will function properly in event and macro, but it does not work in function. ...

Input Mappings will expand collapsed categories when modified

Spectator pawn and player state missing references to each other during replay playback

When playing back a replay, the spectator controller's pawn and player state are missing references to each other, which is usually handled in APawn::PossessedBy. ...