After changing SupportedAgent settings, old Recast nav mesh actor is not deleted when saving map with External Actors (OFPA) enabled

UE - Runtime - Character - Nov 8, 2024

Context Recast lets you configure multiple agent types in Project Settings > Navigation System > Supported Agents. When agents have unique settings such as agent radius, building a nav mesh results ...

Instanced subobject property values nested inside struct members are copied from default data at object initialization time, possibly leading to an EDL error at runtime.

UE - Core - Systems - Aug 18, 2021

When initializing struct members from default data at UObject initialization time, we are currently copying struct properties that contain instanced subobjects from the default data. This can potent ...

Niagara Scalability Crash When Processing Significance

UE - Rendering - Architecture - Niagara - Jun 4, 2025

Method FNiagaraScalabilityManager::ProcessSignificance() iterates on indices from Context.SignificanceIndices and uses them to access the State and ManagedComponents arrays. It can then decide to cr ...

Android split screen multiplayer does not function or render correctly

UE - Platform - Mobile - Aug 25, 2016

Android devices don't support split screen functionality. ...

Easing Curve Handles are intractable on tracks even if they are not visible

UE - Anim - Sequencer - Apr 25, 2019

Easing curve handles are interactable on tracks that do not support them. ...

Blueprint with large amount of macros crashes on compile

UE - Gameplay - Blueprint Compiler - Jan 30, 2018

Blueprint compile is crashing in a BP with a large number of macros ...

[Interchange]: Skeletal mesh import do not take geometric transform

zComponent - Archive - Oct 9, 2024

We need to support geometric transform for meshes when importing skeletalmesh ...

Comments with line wrap cannot be edited within the Blueprint Editor

UE - Gameplay - Blueprint - Jun 25, 2015

Any comment over the allowed number of letters in a line cannot be seen therefore, cannot be edited. ...

Blueprint EventDispatchers unable to be reordered

UE - Gameplay - Blueprint Editor - Feb 15, 2018

UI appears to support EventDispatcher reordering, however reordering does not occur. ...