Unreal Engine Issues

UE 5.4 - Specular/reflection disappears above 4096 resolution render

After a viewport is more than 4096 pixels wide, Lumen's specular reflections buffer cuts its width off at 4096 pixels. It appears that the affected buffer is "Lumen.Reflections.ResolvedSpecularIndi ...

Network Prediction plugin: dispossessing a client pawn results in repeated sim input

After dispossessing an NP-simulated pawn, it appears that the last frame of input is used for the continued simulation of the pawn.   For example, a client player may be holding down continuous inp ...

Replace with child on subtree of the NamedSlot is broken after reloading a widget.

"Replace with child" does not work well with the NamedSlot widget after reloading the widget blueprint in Contents Browser. ...

Additional input can be impossible after clicking an SButton in an Editor Window plugin

When a Level Sequence Player is created by clicking an SButton in an Editor Window plugin, any other buttons in the plugin window can no longer be interacted with until a click is made outside of th ...

Custom node not working with material attributes

Using Material Attributes as an input to a Custom Expression causes the HLSL Translator to create multiple CustomExpression# functions, for each used member of the Material Attributes, rather than u ...

Mouse Up Detection lost inside Scrollbox when dragging

Mouse Up Detection lost inside Scrollbox when dragging and releasing inside. This issue occurs when trying to detect on mouse up for a scroll box Regression: This issue also occurs in 4.14.3 ...

Crash when launching Google VR project

Attempting to launch a packaged Google VR game on android causes the game to crash. This has occurred on two other devices. This occurs in Main as well as Dev-VR. ...

DebugDrawHelper memory leak in editor

Media Player can't continue to play after the progress bar is dragged.

This bug occurs in 5.3 version. It's ok in 5.2 version. ...

Fix up redirectors can fail if some packages were already checked out