Struct array variables interpret multiple Structs as the same if they have the same values

UE - Gameplay - Blueprint - Jul 7, 2015

Struct array variables interpret multiple Structs as the same if they have the same values. This does not occur if the values in the Structs added to the array are different. Test project in 4.8.1 ...

Adding a Material Parameter track sets Parameter to Master Material defaults

UE - Anim - Sequencer - Aug 5, 2016

In Sequencer, adding a Material Parameter track sets Parameter to Master Material defaults ...

Character animations are not played in sequence created from Recording First Person Template

UE - Anim - Sequencer - Aug 5, 2016

Character animations are not played in sequence created from Recording First Person Template Follow-up to [Link Removed] ...

Collision channel settings are not recognized in Standalone

OLD - Anim - Oct 18, 2017

Object instances that override the parent blueprint's collision settings are recognized in PIE but ignored in standalone or when running from the command line with -game NOTE: This appears to only ...

Gameplay effect modifier tag requirements are not checked for Instant/periodic effects

UE - Gameplay - Gameplay Ability System - Jun 19, 2023

When creating a GameplayEffect, modifiers can tag requirements for the Source and Target tags. For Duration gameplay effects, these tag requirements are checked from FAggregatorMod::UpdateQualifies ...

Some Niagara FX does not show up in MovieSceneCapture when AgeUpdateMode is DesiredAgeNoSeek

UE - Niagara - Cinematics - Sep 17, 2024

CL23957356 changes how to calculate FrameOffset in FNiagaraSystemUpdateDesiredAgeExecutionToken::Execute(). After this change, DesiredAge + FrameOffset could be 0.0 for some a couple of initial fram ...

External Data Layers in level not removed when Game Feature Action is Removed or set to None

UE - World Creation - Worldbuilding Tools - Jan 9, 2025

When using External Data Layers in conjunction with Game Feature Plugins and World Partition levels, removing a Game Feature Action or changing its type to "None" does not remove the associated Exte ...

Regression: Selected Virtual Production Roles are saved but not loaded from Saved/Config/WindowsEditor/UserVPRoles.ini, unless file DefaultUserVPRoles.ini exists (even if completely empty)

UE - Virtual Production - Tools - Mar 7, 2025

When the "Virtual Production Utilities" plugin is enabled, the Editor makes available a list of "Virtual Production Roles", which can be created and individually selected in a "VP Roles" dropdown on ...

Crash when loading array of UStructs containing Instanced property

UE - Gameplay - Blueprint - Jan 26, 2022

The editor crashes with a failed assertion when opening a blueprint actor that contains a structure with instanced objects. ...

[MetaSounds][Voice Management] - MetaSounds set to Restart do not virtualize correctly when the Attenuation Shape is not a Sphere

UE - Audio - MetaSounds - Aug 17, 2022

When using Attenuations with MetaSounds, if the Attenuation Shape is Sphere it works as expected. However, other shapes do not work correctly. The sound either becomes deactive or sometimes the soun ...