Unreal Engine Issues

Crash when changing the AnimNotifyState property after moving the AnimNotifyState range added to AnimMotage

NotifyStateClass may be nullptr when AnimNotifyState and AnimNotify swap occur in NotifyTrack. Workaround: SAnimNotifyPanel.cpp void SAnimNotifyPanel::OnPropertyChanged(UObject* ChangedObject ...

Each changing collision response increases FPhysXTask count

calling SetCollisionResponseToChannel or something similar, FPhysXTask will ever increase . Finally, it causes serious frame rate drop. That count can be reset by calling RecreatePhysicsState. ...

Bottom of Media Player Video clamped on Oculus Quest

On Oculus Quest - The bottom portion of Media Player Textures are clamped. Confirmed in 4.24 MAIN @ CL 7226586 ...

UPaperGroupedSpriteComponent does not override handling for its multiple FBodyInstances

UPaperGroupedSpriteComponent does not properly update its physics data at runtime, due to relying on the inherited UPrimitiveComponent functions that do not handle its multiple FBodyInstances. ...

Failed to find stub IPA when uproject name is changed from default

Failed to find stub IPA when packaging for iOS. This also happens with File > Package > iOS.IPP ERROR: Failed to find stub IPA 'D:\FaceARSample421\Binaries\IOS\FaceARSample421.stub' Regression: Yes ...

Investigate removing reliable sequence synchronization from UActorChannel::SetChannelActor

UActorChannel::SetChannelActor contains old code to synchronize the channel sequence numbers for a connection if the channel index is reused. This seems unnecessary now that we intentionally update ...

Incorrect data type in FDumpFPSChartToEndpoint::DumpChart()

The TotalTime variable in the FDumpFPSChartToEndpoint::DumpChart() function has recently been changed to int32 when it should be double. Tested in 4.21.2 (CL - 4753647), 4.22.3 (CL - 7053647), 4.23 ...

Cached reflection captures on primitives are not cleared properly when a reflection capture proxy is released.

If use Remove Unused Bones from Skeleton, PoseAsset of the skeleton will be broken

If user execute "Remove Unused Bones from Skeleton" on Skeleton where PoseAsset exists, the index held in FPoseData :: TrackToBufferIndex in PoseAsset will not be corrected, and it will refer to the ...

Unknown force is applied to the cloth when changing the skeletal mesh LoD with cloth.

There are 3 issuesEach particles don't restore its previous position. Which is for calculating velocity by verlet iteration.The previous transform is cleared by current transform. It provides zero v ...