Unreal Engine Issues

Crash when adding Emitter in parameters in Niagara

When adding an emitter to a Niagara System, in 4.20 Preview 1, the Editor freezes up and crashes. ...

Some Niagara Fluid systems are not visible in a packaged project

Previously packaging caused a crash with this system. This was fixed, but now the system is no longer visible when packaged. ...

WorldPartition: Attached Actors within Level Instances save level offset bounds

The proposed fix is implemented in CL 25389340 but needs further testing to make sure there are no issues caused by it. ...

WorldPartitionActorDescs for LevelInstanceActors are broken when migrating world partitioned level

WorldPartionActorDescs will be restored to the correct properties when resaved. They can also be fixed by the WorldPartitionResaveActorsBuilder commandlet. ...

Result pin of Cast Node of ControlRig can not break

In UE5.1, the Result pin of the ControlRig cast node could be broken, but it cannot be broken from UE5.2. ...

Simulate motion vectors can fail on camera cuts

r.MotionVectorSimulation 1 should simulate motion vectors when cutting cameras, but this appears to be broken on some loops. ...

Jump Animation for FPS template character breaks on land

When jumping in the first person template project, the "is in air" animation continues to play after landing. Solution: Switching out the "FirstPerson_JumpStart Asset" node for the "FirstPerson_J ...

FOV only Camera anim is not working as intended.

FOV-track-only camera anim do not give effect to current camera. if the anim have transform track without any key, the anim works. Regression? yes. This is not reproduced in 4.13.2 launcher version ...

Rect Light Texture does not unload during level streaming in packaged game

Contact shadow has box artifacts with backlighting for two sided Subsurface shading model

See slack channel: [Link Removed] ...