[CrashReport] UE4Editor_Kismet!FQuatRotationMatrix::FQuatRotationMatrix() [quatrotationtranslationmatrix.h:43]

UE - Gameplay - Aug 31, 2018

User comment in crash group:Please Contact me to help fix this. I don't know what else to do. 41 FQuatRotationMatrix(const FQuat& Q) 42 ***** : FQuatRotationTranslationMatrix(Q, FVect ...

Changing particle system template via Blueprints crashes Editor and packaged game

UE - Niagara - Apr 4, 2019

Setting a ParticleSystem component in a Blueprint to none/null with a "Set Template" node causes the editor and the packaged project to crash. I have noticed this when migrating my game to 4.22, whi ...

Skeletal Meshes load unused textures into memory from hard referenced assets. (Skeleton, Physics Assets)

UE - Foundation - Core - UObject - May 1, 2019

Physics Assets & Skeletons referenced by the skeletal mesh will load materials & textures from their default skeletal meshes into the statistics window. Either the statistics window is incorrect abo ...

Does Container Match Tag Query Node doesn't find existing Gameplay Tags in Packaged Project with Nativized Blueprints

UE - Gameplay - Aug 26, 2019

When using the "Does Container Match Tag Query" node doesn't return true when a gameplay container member has the searched for gameplay tag in a blueprint that has been nativized. Packaging in Excl ...

Web Remote Control Plugin missing from plugin window

Docs - Sep 13, 2019

Remote Control Plugin missing from plugin window. If you follow the instructions on this page they don't work due to the missing plugin. Searching "Web Remote Control" also doesn't find the plugin. ...

Vehicles with at least one kinematic collision do not function anymore

UE - Simulation - Physics - Oct 30, 2019

Using at least one source of kinematic collision on a vehicle causes animations or movement to not function any longer. This issue persists on child bones and collisions as well. Users are unable to ...

"Scene Capture Component 2D" Causes Big Performance Dip In VR

UE - Platform - XR - Dec 31, 2019

When a "Scene Capture Component 2D" is in a scene it causes a big performance dip in VR. It was ~45 fps from a ~90 fps with the "Scene Capture Component 2D". This doesn't occur if you are running th ...

Push based fast array with net.PushModelSkipUndirtiedFastArrays not replicating across multiple PIE sessions

UE - Networking - Sep 19, 2022

The conditions for this bug are fairly specific. The actor must be statically placed, with its only replicated property being the fast array, and net.PushModelSkipUndirtiedFastArrays must be enabled ...

Gameplay Ability System Attribute Modifiers with a duration (including infinite) do not respect tag requirements

UE - Gameplay - Gameplay Ability System - Feb 21, 2024

When using infinite or duration-based effects, required and ignored tags will have no effect on attribute modifiers. This appears to be caused by OnAttributeAggregatorDirty (GameplayEffect.cpp:2917) ...

Safezones on Android not set properly when orientation changes

UE - Platform - Mobile - Nov 5, 2024

Looks like the resize that does the safe zone update is done before the orientation is updated.  I suggested swapping the order to licensee in the UDN ticket and it worked for him.  This should be t ...