[Pose Driver Connect] Animation imports that need "Force X Front" are not supported.

MetaHuman - Sep 13, 2024

User's who have imported and set their skeleton to Force X Front, when importing animations from pose driver do not have an option or autodetect setup and the animations are imported normally. This ...

Template anim bps - FBoneReference anim node properties do not support different bone names

UE - Anim - Runtime - Anim Blueprints - Aug 10, 2022

Currently nodes that use FBoneReference properties (slope warping, anim dynamics, modify bone, and a load of skeletal control nodes) can't have the bone they target changed when using template anim ...

Datasmith - Lights imported with incorrect transforms

TM - Interoperability - May 6, 2025

Reported in SF [Link Removed] In Twinmotion 2025.1.1, lights imported through Datasmith appear with incorrect transforms. Lights will appear rotated 90 degrees about the Y axis with an offset. Test ...

Clean DocumentDB setup fails indexing

UE - Foundation - Horde - Server - Feb 21, 2025

Source [Link Removed] The user has encountered the error log: MongoDB.Driver.MongoCommandException: Command createIndexes failed: Implicit collection creation not supported when creating indexes I ...

StartPlayInEditorGameInstance doesn't consider bStartInSpectatorMode for client instances

UE - Networking - Nov 15, 2022

In UGameInstance::StartPlayInEditorGameInstance, the server instance will go through the normal process of creating the URL using BuildPlayWorldURL, which checks the FGameInstancePIEParameters' bSta ...

Collision Drawing in Cooked Builds (Development) doesn't Show Geometry for Nanite Meshes

UE - Graphics Features - Jun 2, 2025

Context The showFlag.CollisionVisibility 1 cvar is a viewport visualization mode that highlights which Actors will block visibility. The showFlag.CollisionPawn 1 cvar is a Player Collision viewmode ...

SAnalogSlider moves slowly when step size is large

UE - Editor - UI Systems - Slate - Mar 6, 2024

SAnalogSlider calculates FastestStepTime by multiplying the step size value by a constant, resulting in high numbers for larger step sizes. This gets lerped from 1 and used as the repeat time, resul ...

UGeometryCollectionComponent::EventDispatcher gets registered for events twice what can result in duplicate collision events being fired

UE - Simulation - Physics - Destruction - Sep 18, 2024

UGeometryCollectionComponent::EventDispatcher gets registered for events twice, once in UGeometryCollectionComponent::RegisterForEvents() and again in UChaosGameplayEventDispatcher::OnRegister(). Th ...

Users are unable to create projects when the default project location is a networked drive

UE - Editor - Workflow Systems - Oct 23, 2024

There have been multiple reports of this issue, particularly from schools, over the last 10 years:https://forums.unrealengine.com/t/invaild-folder-path-with-network-user-drives/283475https://forums. ...