Lyra - attribute sets of characters placed on world partition boundaries break in PIE

UE - Gameplay - Gameplay Ability System - Jun 28, 2023

When placing an instance of ALyraCharacterWithAbilities on the map on the boundary between world partition cells, it fails to take damage in PIE. The expected attribute sets (HealthSet and CombatSet ...

FAnimationRuntime::BlendPosesPerBoneFilter() causes an assertive crash when Skeletal Mesh LOD is changed

UE - Anim - Runtime - Nov 1, 2023

The crash occurs from "check(BoneBlendWeights.Num() == NumBones);" This crash occurs when the following conditions are met;The skeletal mesh LOD is changed.The number of bones is difference between ...

Level LOD Mesh Generation does not take into account Landscape Component Forced LOD settings

UE - LD & Modeling - Terrain - Landscape - Jan 27, 2016

When you generate a LOD Mesh for a Landscape Level in the Level Browser, the resulting Mesh does not take into account Landscape Components Forced LOD settings. Landscape with Forced LOD Components ...

Plugin OculusAudio module could not be found when packaged through UFE in binary

UE - Foundation - Cpp Tools - Plugin System - Jun 3, 2015

This issue also occurs This is the same error as in [Link Removed]. Discovered by a user on AnswerHub, I was able to reproduce this error in today's 4.8 branch, CL 2575437 Attached to his thread ...

Editor gets stuck "Updating file(s) source control status" when importing multiple FBX files with Git source control

If a user attempts to import multiple FBX files into a project that is set up with Git source control, the message "Updating file(s) source control status..." will appear and stay on the surface ind ...

MoviePipeline Project Settings can't refer to Plugin classes

UE - Anim - Sequencer - Feb 12, 2022

A workaround might be to use the CDO of your plugin to reach out to the Editor settings and assign itself to the fields you want. This removes the users ability to choose between multiple options. ...

Actor Dropped at Wrong Location During PIE

UE - Editor - Applied Usability - Apr 3, 2025

When attempting to drag and drop an actor from the Content Browser into the level viewport during PIE, the actor is not placed at the mouse cursor location if the Player Controller is attached. Inst ...

Inconsistent warning with actor root component mobility setting

UE - Gameplay - Oct 27, 2016

When an actor class sets the root component mobility to Static or Stationary, spawning an instance of the class (or child blueprint) during runtime will print a warning message in the output log of ...

Using Subversion results in a hanging attempt to sync to source control

Using Subversion on a Mac to connect to an online repository causes the Source Control settings window to hang indefinitely and never succeed in connecting ...

Sound cue will ignore sound mix settings if settings are called in game instance

UE - Audio - May 31, 2017

When using a Game instance to modify the sound in the editor the sound will ignore settings made by game instance. This issue appears to be occurring only in the editor, as running the game in stand ...