Normals and Tangents cannot be load correctly when re-importing Skeletal Mesh

UE - Editor - Content Pipeline - Import and Export - Jan 31, 2020

This problem started in 4.24 and not in 4.23. CL 9114926 seems to be relevant. ...

LIVE: EDITOR: Extremely large trigger volumes registering overlaps multiple times upon single overlap event

UE - Simulation - Physics - Sep 9, 2014

Update: 1/27/2015 User reporting multiple overlap events/end over lap events firing on smaller triggers, their specific dimensions were 400 uu x 2000 uu on a capsule   Build: 4.4.2-2289767 Descript ...

Garbage Collection Causing Noticeable Hitches

UE - Foundation - Core - Apr 11, 2016

Garbage Collection is causing noticeable hitches on whatever interval it is run on. This is noticeable in the UE4 Profiler, as you will see a spike every X amount of seconds, depending on how often ...

A function in a Blueprint Function Library that references another function in that library cannot be saved after closing and reopening the project

UE - Gameplay - Blueprint - Mar 1, 2015

A function in a Blueprint Function Library that references another function in that library cannot be saved after closing and reopening the project. The library will save without error until the pro ...

HiResShot in Standalone Play Not Saving Screenshots

Tools - Dec 8, 2014

the High resolution screenshot is not saved when using the command 'HiResShot' when playing via the Standalone option. You can use the command and it shows the link to the directory where the screen ...

CharacterMovement doesn't clear velocity

UE - Simulation - Physics - Oct 11, 2024

Velocities are not being cleared when physics simulation set to false.  ...

KiteDemo: Spawn under the map

Docs - Samples - May 4, 2017

While testing in KiteDemo - //UE4/Release-4.16 CL 3420042 in Binary – trying to find the limits of the Caution: Out of Bounds UMG, I found a way to glitch under the map. You must go all the way dow ...

Crash while using Geometry Scripting to add an Array of Vector 2D data to 'Append Buffers to Mesh' node UV0 input pin

UE - Graphics Tools - Modeling Tools - Jun 13, 2022

Geometry Scripting plugin isn't available for 4.27.2, and the behavior is the same 5.0.1. Crash while using Geometry Scripting to add an Array of Vector 2D data to 'Append Buffers to Mesh' node UV0 ...

UnrealFrontend doesn't package client and adds both -noclient & -client argument when both server and client is selected to be packaged in same profile

UE - Platform - Apr 15, 2022

Repro Ratio: 4/4 Regression tested in //UE5/Release-4.27.2 CL-18416816 and this issue DID NOT happen. When looking at the log output of the Project Launcher, the command that is ran is:-ScriptsFor ...

LevelSequenceActorSpawner::GetLevelStreaming() fails to compare sub level names when running in Pie

UE - Anim - Sequencer - Sep 26, 2019

The problem is in the function with signature "ULevelStreaming* GetLevelStreaming(FString SafeLevelName, UWorld& World)" within LevelSequenceActorSpawner.cpp at line 30. The problem is with the Safe ...