World Position Offset invalidates Point Lights Entire Virtual Shadow Map Cache when light frustrum is only overlapping a small portion of the mesh

UE - Rendering - Features - Oct 22, 2025

When adding a spotlight to the scene it does not correctly use cached virtual shadow map pages when the spotlight overlaps a mesh using WPO. This can be most easily observed by entering 'Cached Pag ...

Creating a new Physics Asset will override the behavior of the previous Physics Asset inside the Phat Editor

UE - Gameplay - Aug 11, 2016

Creating a new Physics Asset will override the behavior of the previous Physics Asset inside the Phat Editor. This seems to be linked to which physics asset is currently assigned to the skeletal me ...

Custom TouchInterface doesn't fade to Inactive Opacity

UE - Platform - Mobile - Jan 12, 2016

Custom TouchInterface doesn't fade to Inactive Opacity User Description: Virtual Joystick always show on screen, even if Time Until Deactive is 0.00001. ...

Make array node elements break when editing struct elements

UE - Gameplay - Blueprint - Sep 23, 2015

If a Make Array BP node is connected to a structure, using the "Split Struct Pin" and "Remove Array Element Pin" options causes array elements numbers to change randomly. ...

Inclusive Nativized Blueprints slower than Non Nativized Blueprints in packaged project

UE - Gameplay - Jul 1, 2019

When nativizing blueprints the packaged build of the project runs slower than a non-nativized version of the packaged project. Found in 4.22 CL#7053642 Reproduced in 4.21 CL#4753647, 4.24Main CL#7 ...

Widget causing ensure to trigger on end play

UE - Editor - UI Systems - Nov 15, 2019

Widget is causing an ensure to be hit when exiting gameplay.  Tested in: 4.24 Preview2 CL#10091930 , 4.25 CL#10183780 Attached URL's from the user:  https://forums.unrealengine.com/community/ge ...

Selecting a text field that is displaying "Multiple Values" will rewrite all values for all selected entities to "Multiple Values"

Tools - Jun 14, 2015

Selecting a text field that is displaying "Multiple Values" will rewrite all values for all selected entities to "Multiple Values". Reproduced in 4.7.6, 4.8.0, and Main (//depot/UE4/Promotable-CL-2 ...

Vertex Animation anti-aliasing improvement

UE - Graphics Features - Jun 2, 2015

A licensee has reported that their vertex animations are leaving a lot of be desired with anti-aliasing. Specifically using vertex animated meshes can leave aliasing remnants behind while it's shift ...

Crash occur when loading AInstancedPlacementPartitionActor

UE - Editor - May 17, 2022

Crashes when loading an actor that inherits from AInstancedPlacementPartitionActor. There is a serialization size mismatch. ...

Landscape incorrectly renders when camera clips through foliage while Playing in Editor

UE - LD & Modeling - Terrain - Landscape - Dec 1, 2014

Landscape sections disappear for a very brief time when the player camera clips through foliage quickly. ...