Screen Aligned UVs Don't Scale With Aspect Ratio Correctly

UE - Graphics Features - Nov 9, 2016

When using screen aligned UVs they don't seem to account for letterboxing. When the aspect ratio is changed the UVs scale based off the top left of the window or screen and not the viewable area. ...

World Partition causes client to disconnect from dedicated server

UE - World Creation - Worldbuilding Tools - World Partition - Sep 14, 2022

When using connecting to a World Partition level on a dedicated server the client get's disconnected immediately. I tested this with a non WP level and the client connected with no issues. I've inc ...

Mismatch widget component collision and geometry

UE - Editor - UI Systems - Jun 6, 2019

There is a mismatch of collision and geometry of WidgetComponent. This doesn't occur in 4.21. It can only be seen in 4.22. [Workaround] Change following code in UWidgetComponent::UpdateBodySetu ...

Resolution retrieval issues caused by multi-monitor hot-swapping.

UE - Rendering Architecture - RHI - Feb 24, 2025

I looked into the underlying code, and it seems that this situation is not well handled. One possible solution is to trigger EnumAdapters() when the system fires the WM_DISPLAYCHANGE message. This ...

Notifies near start of animation do not trigger when played through slots

OLD - Anim - Apr 6, 2016

Notifies near the start of an animation do not trigger when played through slots with either the PlaySlotAnimationAsDynamicMontage or with a Montage. There could be other instances of this, but the ...

Landscape Tutorial Missing a Word

Docs - Dec 9, 2019

In the Landscape Tutorial Overview there is a word missing in the tutorial. ...

Unreal Insights does not recognize Android if connecting with USB cable

UE - Foundation - Insights - May 13, 2022

Unreal Insights doesn't recognize USB-connected Android in UE5, even with the same flow as UE4.27. By the way, I checked UECommandLine.txt, but I didn't find any issue. It may be related to the nee ...

Shadows disappear on assets with baked matrix animations

UE - Gameplay - Oct 21, 2016

After importing an asset with baked matrix animations, using the alembic importer, the shadow disappears as the asset pans to the left and the right. ...

Previewing Nav Mesh in DX12 Mode causes Editor to Crash

UE - Graphics Features - Mar 7, 2016

In UE4.11p6, previewing Nav Mesh in DX12 Mode causes Editor to crash. ...

Collision Not Working on Dynamically Spawned Objects While Using 'Cook Blueprint Component Data for Faster Instancing at Runtime'

UE - Gameplay - Blueprint - Dec 13, 2016

Dynamically spawned objects' collision does not seem to be working in a packaged game when the Cook Blueprint Component Data for Faster Instancing at Runtime option is enabled. Found in 4.14.1. Un ...