Unreal Engine Issues

Integrity of AnimSyncMarkers compromised while playing AnimMontage with root motion in server side

Reference UDN as it explains well the cause of the issue. ...

Viewport UI disappears/reversed when pressing spacebar and down arrow

Deadlock when running an asset validator commandlet with async skeletalmesh build

[External Code]   UnrealEditor-Core.dll!FEventWin::Wait(unsigned int WaitTime, const bool bIgnoreThreadIdleStats) Line 1515 C++   UnrealEditor-Engine.dll!FAsyncTaskBase::WaitCompletionWithTimeout( ...

AStaticMeshActor::CheckForErrors doesn't detect overlapping actors in some circumstances

Licensee reports that overlapping actors not detected when the static mesh pivot doesn't coincide with actual geometry, e.g. between a character's legs. Maybe should do a bounding box check instead ...

Record with timecode as source but false on start at Timecode causes crash

Vehicle clutch not fully simulated in Chaos Vehicle Plugin

There is no manual clutch control exposed to users. For completeness this should be available via blueprint in the same way that the settering, throttle and brake are user controlled. ...

GeometryCollectionComponent take +1 frame to be marked as dirty

Debugging the code I have been able to verify that in GeometryCollectionComponent.cpp line:2318, the if condition happens every two frames. I think DynamicCollection is not setting all the frames a ...

Issue with Niagara MeshRenderer

Cloth painting - Camera movements are broken once leaving the painting tool.

Possibly a regression, but I could reproduce this issue as far as 5.2, so unsure when it started. The issue seems to be that the cloth painting tool lock the camera movements during painting, but d ...

Assert when toggling RHIThread