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 - CoreTech - UObject - 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 - 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 ...

Overlap events do not trigger on landscapes

UE - LD & Modeling - Terrain - Landscape - Sep 24, 2015

Overlap events do not fire on landscapes ...

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. ...

StrategyGame audio is inconsistent between PIE and Standalone

Docs - Samples - Aug 17, 2016

Audio is inconsistent between PIE and standalone game. When the user is in PIE, attenuation appears to be working as expected, but when in standalone game there appears to be no attenuation. ...

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

UE - Editor - Content Pipeline - Import and Export - 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. ...