IsOverlappingActor is always returning false

UE - Gameplay - Sep 23, 2015

When you use the IsOverlappingActor node to determine whether or not something is overlapping another actor, it returns false regardless of whether or not you're actually overlapping another actor. ...

The Nativize Blueprint Assets option causes C++ collision components to ignore their extents set in a blueprint

UE - Gameplay - Blueprint Runtime - Jan 11, 2017

Using the Nativize Blueprint Assets option can cause the extents of a collision component defined in code and inherited by blueprints to use its default values in a packaged build instead of the ext ...

Ensure condition failed / Crash on BP Compile after adding variable

UE - Gameplay - Blueprint Compiler - Jan 26, 2018

Crash when compiling BP (containing user defined struct + object reference) after adding variable. ...

Disappearing components in Level Sequencer Spawnable Camera

UE - Anim - Sequencer - Mar 11, 2019

I believe this is similar problem to this UDN reported bug. https://udn.unrealengine.com/questions/438893/view.html It can be avoided by removing the comments in LevelSeuqnceActorSpawner.cpp UEng ...

UAnimSequenceBase::GetNumberOfFrames off by 1

OLD - Anim - Sep 10, 2019

Creating a montage from a default frame rate and rate scale sequence reports 1 less frame than the sequence. The difference is a result of UAnimSequence overriding UAnimSequenceBase::GetNumberOfFram ...

Ribbons Don't Follow Their Source Particles When Scaling

UE - Niagara - Mar 23, 2020

When Ribbon Data in a particles system that is following is scaled in an instance the ribbons scale appropriately, but they don't follow updated location of their source particles. See the attached ...

Unable to open Unreal Engine after cleaning project in XCode

UE - Platform - Apple - Aug 31, 2020

When I have the Epic Games Launcher open as I clean the Xcode project, the top right button will still read "Launch." Clicking on it after the Xcode project is finished cleaning causes the following ...

Importing Vehicle content corrupts SportsCar_AnimBP

UE - Content - Template - Apr 28, 2022

If the player imports the Vehicles pack into a blank project some of the cars blueprints will be corrupt and cannot be loaded. This appears to only happen to the Animation blueprints. ...

Building Geometry removes Blueprint Actors from a level

UE - Gameplay - Blueprint - Nov 28, 2022

Regression: Tested in UE5/Release-5.0, the issue does not occur so it is a regression. This issue appears to be effecting Blueprint Actors specifically, as creating a Blueprint of any other class d ...

Foliage cannot be selected after deleting a single instance

UE - World Creation - Worldbuilding Tools - Foliage - Jan 12, 2023

This issue occurs in both World Partition and Non-World Partition levels, and does not seem to occur with Nanite meshes. You can still select Nanite foliage instances after placing them, but selecti ...