Unreal Engine Issues

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

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 ...

TSR: Implement adapative sharpening in the TSRResolveHistory.usf based of the number of pixel accumulated in history

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

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 ...

ChaosCacheManager is not reproducing Trailing Events

ChaosCacheManager (CCM) is not reproducing Trailing Events. Particles set to track Trailing Events correctly follow the position of the trailing event when the Geometry Collection (GC) is physically ...

Datasmith - Lights imported with incorrect transforms

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 ...

ChaosCacheManager is not reproducing Collision Events the second time you Record and Play

ChaosCacheManager (CCM) is not reproducing Collision events the second time (and onwards) we record a Geometry Collection (GC) breaking session. Particles set to track Collision Events correctly fol ...

Clean DocumentDB setup fails indexing

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

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

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

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 ...