Unreal Engine Issues
Unreal Engine Issues
No Interface to Assign Modular Control Rigs in Sequencer with Blueprint
UE - ACT Character - Anim in Engine - Oct 2, 2026To procedurally spawn ControlRigs in the sequencer through custom commands (needed to populate cinematic scenes automatically) we are using the interface provided by Editor Function Libraries, speci ...
Scrubbing the timeline in Sequencer can hang the editor when operating on constrained actors with complex control rigs
UE - ACT Character - Anim in Engine - Sep 11, 2026The issue is caused by UAnimDetailsProxyManager::ForceUpdateProxyValue triggering evaluation of constraints that are attached to control rigs. When scrubbing, requests to ForceUpdateProxyValue are ...
Baking FK Control Rig with Spawnable Manny in sub sequence is not working
UE - ACT Character - Anim in Engine - Aug 14, 2026FK Control Rig bake is not working on Manny, both as a SKM actor or a BP Actor with a SKM component in it. This is only happening when the actors are Spawnable and nested inside a master sequence. I ...
Overwriting an anim sequence may scale the play rate of the anim instead of modifying underlying frame rate
UE - ACT Character - Anim in Engine - Jul 21, 2026The frame rate for an anim sequence is not being changed as expected when its being overwritten / re-imported. ...
Sequencer CR curve evaluating differently when navigating from parent sequence
UE - ACT Character - Anim in Engine - Mar 10, 2026Depending on whether I first open the level sequence that contains the control rig, or its parent level sequence, the animation curve will evaluate differently. ...
Animation Constraint Jitter in Sequence when Constraining Layered Control Rig node
UE - ACT Character - Anim in Engine - Nov 6, 2025When using constraints with layered control rigs, you get jitter on the constrained object. ...
Restoring AnimInstance fails when ControlRig and Motion tracks are consecutive in sequencer
UE - ACT Character - Anim in Engine - Jul 27, 2025In the Sequencer, Control Rig and Animation tracks are placed consecutively. During the transition, the Animation track captures the AnimInstance state before the ControlRig track's RestoreState is ...
Conflict between sequencer transform track and Parent Constraint from the Animation Mode breaks temporary pivot translation on any actor
UE - ACT Character - Anim in Engine - Jul 15, 2025Note: This affects all versions from at least UE 5.3, including mainline latest. The "Animation" Editor Mode allows creating constraints for level actors. One of these, the "Parent" constraint, con ...
Editing values of a control rig can cause the undo to stop working in Anim Details or Sequencer
UE - ACT Character - Anim in Engine - May 16, 2025It has been observed that the the undo function may stop working after the User changes values of a control rig with the slider in the Sequencer. While using the slider, the value stops chaning afte ...
Incorrect motion baking from Anim Sequence to Modular Control Rig
UE - ACT Character - Anim in Engine - Feb 26, 2025When using a modular control rig and baking to a control rig directly from an anim sequence, some parts do not bake correctly. ...