Unreal Engine Issues

Niagara Parameter Collection Overrides aren't working

Parameter collection overrides defined in the Niagara system's System Properties do not work. In FNiagaraSystemSimulation::GetParameterCollectionInstance the return value of GetParameterCollectionO ...

Can't undo/redo when change fade color in level sequence

Sequence sub scenes will draw start and end time hash markers incorrectly.

The hashing on the start and end time marker does not always follow the marker when it's moved which is misleading and can lead to confusion about the actual start and end times.  ...

Translucent particles can no longer be selected when translucent selection is on

Translucent selection does not work on Niagara particles. This was working in 4.24. ...

Rotation gizmo continues to move when snapping is disabled

When snapping is disabled, the rotation gizmo never seems to stabilize. Continuing to hold the mouse down, even with no movement, will result in the rotation amount to continue changing by small amo ...

Memory leaks at changing lighting scenarios

The engine does not free the LevelRenderAssetManagers array elements in FRenderAssetStreamingManager when changing lighting scenarios. Following code can avoid this issue. void FRenderAssetStre ...

FCoreDelegates::OnControllerConnectionChange Missing Wireless Disconnect Event

FCoreDelegates::OnControllerConnectionChange works for wired connect/disconnect events as well as the wireless connect event, but wireless disconnect is not working. ...

Get Playback Range from sequencer scripting gives tick rate frame numbers instead of display rate

Sequencer scripting will return the tick rate frame number for Get Playback Range instead of the display rate frame number. This differs from similar functions, and will result in unexpected results ...

Default changes to Gameplay Tag Queries aren't propagated to instances

Gameplay Tag Query default properties don't automatically update in instances.  ...

ProxyLOD plugin generates uninitialized vertices at end of a vertex buffer

ProxyLOD::FQuadricMeshSimplifier::OutputMesh may remove duped verts. The input vertex buffer was resized by numVerts from FQuadricMeshSimplifier before calling OutputMesh. So these behaviors genera ...