Unreal Engine Issues

Crash when Copy/Pasting from Older UE Versions

When copy/pasting scene objects from older Unreal versions into Unreal 5.1, the editor will crash. ...

Client lag/hitch detection can cause server to tick character faster than expected

If client takes a long time to send a move to the server, the server erroneously ticks it for a large time without updating the client's timestamp, causing the server to move the client further than ...

App crashes when executing 'Export to Disk' node on Android

Regression is unconfirmed ...

ParticlePosition doesn't use Previous values

FHLSLMaterialTranslator::ParticlePosition does not return Previous information when request which can result in bad motion vector calculation. ...

Alembic Animation Sync issues when playing/rendering in sequencer

Alembic Animation Sync issues when playing/rendering in sequencer ...

Utility functions in UEdGraph_ReferenceViewer are no longer exposed

A number of utility functions are provided in UEdGraph_ReferenceViewer for building menu extenders. This class was originally included in the engine as part of the ReferenceViewer module, but was re ...

Save asset dialog doesn't update correctly

Selection outline jittering

Selection outline shakes/jitters for selected objects ...

Fragments of a geometry collection go through complex collision

Fragments of a geometry collection can not hit the mesh which is set "Use complex collision as simple" ...

Mover MoveDirectionIntent can be 0 due to interpolation

If two states have MoveDirectionIntent vectors that are opposite to each other, interpolating between these states can result in MoveDirectionIntent being 0. This may cause issues for animation blue ...