Painted foliage in a level instance can be selected in Foliage mode if the level instance is in main level, and foliage is duplicated if moved.

UE - World Creation - Worldbuilding Tools - Foliage - Sep 16, 2025

Context Foliage Mode is a set of tools that enables you to quickly paint or erase sets of Static Meshes or Actor Foliage. Level Instancing is a level-based workflow designed to improve and streamlin ...

Unable to save project due to user created blueprint node that creates user created object

UE - Gameplay - Blueprint - Apr 28, 2015

When a user creates a blueprint node of their own that is used to spawn a user created object, the project becomes unable to be saved after the blueprint is put into use. ...

NPC - Does not get updates from Material Parameter Collection changes in the editor

UE - Niagara - Sep 30, 2024

When an MPC is selected as the Source Material Collection for an NPC, all of its current parameters are carried over to the NPC with their current values. After that, if parameters are added to, rem ...

Damping is handled differently at lower frame rates

UE - Gameplay - Aug 3, 2016

Damping is handled differently at lower frame rates. Slight changes in damping at lower FPS (25) drastically effects objects and isn't applied in the same way as at higher FPS (60) User Description ...

Blueprint derived from C++ class not saving correctly

UE - Gameplay - Blueprint - Jul 27, 2015

The blueprint that the user is using loses some data when the editor closes and reopens despite saving all of the content. Note: Currently unsure of what exactly causes this but as I am able to rep ...

Hidden enumerator variables can cause the enumerator to become broken with the Select node in blueprints

UE - Gameplay - Blueprint - May 26, 2015

If a user makes an enumerator in C++ and sets one of the variables to Hidden and doesn't make it the last variable of the enum, it will cause issues with the numbering of the enum when using the Sel ...

Decals custom depth/stencil side effect from Lumen

UE - Graphics Features - Oct 15, 2024

The order of passes related to Decal rendering (without the DBuffer) and CustomDepth is changed by the CVar "r.Lumen.AsyncCompute", even when Lumen is not enabled. This causes Decal Materials that ...

Renamed Enums displayed in Standalone game will show the original default name instead

UE - Gameplay - Blueprint - Mar 18, 2015

Renamed Enums displayed in Standalone game will show the original default name instead. ...

WorldPartitionConvertCommandlet hits an assert when converting a persistent level that contains a sub-level with a landscape

UE - World Creation - Worldbuilding Tools - Nov 7, 2025

Context: The Window tab allows a user to open the Levels window in order to add a sub-level to a persistent level. For Unreal Engine 5.0 and beyond, World Partition has made the Levels window obsole ...

Compile failure packaging for iOS: "error: member access into incomplete type 'const FCulture'"

UE - Platform - Mobile - Dec 14, 2016

Compile failure packaging for iOSUATHelper: Packaging (iOS): UnrealBuildTool: D:\Build\joseph.wysosky_QuickSwitch\Engine\Plugins\Online\IOS\OnlineSubsystemIOS\Source\Private\OnlineStoreIOS.cpp(123 ...