Unreal Engine Issues

Inconsistent behavior with spawned actors when Play, Pause, and Stop are called in a Level Sequence Player

This is a report about three different issues that are tightly related to each other, so I decided to include them in a single report. The behavior of actors spawned by a Level Sequence Player is no ...

Sequencer- Nested enum properties in structs don't show enum options for sequencer animation

Movie Render Queue shows different behavior when a sequencer window is opened

When running Movie Render Queue job for a sequence which uses FKControlRig and a sequencer window is opened, Track->ReplaceControlRig() is called every single frame, not only an initial frame. This ...

Cut & Paste in Sequencer breaks with Attach track

Cutting two tracks in sequencer, which one is attached to another one, and pasting it break with Attach track. By this operation, Attack track loses its binding object. Copying such tracks and paste ...

Transforming keys in Sequencer changes the interpolation of the keys

Going over the new features for 4.15 and I noticed that adjusting the transform of the keys in Sequencer, causes them to change to a linear interpolation. This is also effected if you select Transfo ...

Opening a USD actor BP will crash if an instance of the USD actor's sequence is open

Opening the USD blueprint with its sequence open will crash the editor. ...

Undoing keyframe addition in Sequencer unselects actors in the Outliner

When a keyframe is added to a track in the Sequencer, undoing the operation correctly removes the keyframe, but it also unselects the actor. This becomes especially inconvenient when multiple actors ...

Sequencer 3D Trajectories run very slow on deep hierarchies

Using a Level Sequence with deep hierarchies causes the FPS to drop to low numbers when they are all selected within the Sequence. This is a regression from 4.19.2 (CL-4033788). This issue was repo ...

Crash editing Landscape Splines with Level Sequence Open

A crash occurs when attempting to transform a landscape spline with a Level sequence open. It is important to note that no key framing or animating of the landscape spline control point is occurrin ...

Crash when opening a sequencer that has an actor with spring controller registered and play in editor

During end play in editor, there is an access violation referencing WorldSettings from SpringBone.  In the attached project, the character registered in the sequencer uses the "SpringController" no ...