Adding pin to CR node causes crash if input variable is assigned to one of the array element

UE - Anim - Rigging - Control Rig - Aug 22, 2025

When a node has a variable assigned to one of its pins. You will get a crash every time you add a pin. I am sure this goes for all nodes with with the "add pin" functionality [Link Removed] ...

Copy-pasting custom property nodes (ControRig etc.) results in invalid bindings, perf issues

UE - Anim - Rigging - Control Rig - Jul 28, 2025

From this UDN: [Link Removed] Suggested fix:Override PostPasteNode to perform the GUID update andAdd validation on load to strip 'invalid' copies that do not correspond to a valid pin input ...

Bone names of ~100 characters or longer crash the editor when baking to control rig

UE - Anim - Rigging - Control Rig - May 15, 2025

This is an issue with inconsistencies over rig names and how control names are generated. We expect that a control name will be appended with _CONTROL or _CURVE_CONTROL. But because URigHierarchy: ...

Skeleton does not match Full Body IK node debug.

UE - Anim - Rigging - Control Rig - May 13, 2025

In a simple setup of the Fullbody IK control rig node, when you turn on the debug draw of the ik solve. The lines and the skeleton do not align. ...

Crashes when attempting to use an Instanced Struct inside Control Rig / Rig VM

UE - Anim - Rigging - Control Rig - Mar 17, 2025

Currently, the Control Rig Editor allows the user to use the "Instanced Struct" type, for example for a variable or function input/output. However, this type does not seem to be properly supported ( ...

Add support for Debug Persistent Foreground Line Batcher

UE - Anim - Rigging - Control Rig - Jan 7, 2025

Foreground debug lines are cleared each frame and as a result, dissapear when PIE is paused (even if no persistence is supported, the lines sould be drawn if PIE is paused). We need support for pers ...

Rig element names should be case insensitive

UE - Anim - Rigging - Control Rig - Dec 5, 2024

The control rig editor should enforce case insensitivity for any names that can be created within the editor.  Currently, it's possible for control names to be created that are the same as existing ...

Expanding pins and moving nodes in graph marks Compile as dirty

UE - Anim - Rigging - Control Rig - May 8, 2024

Expanding pins and moving nodes in the graph marks the Control Rig blueprint as dirty, requiring a recompile of the entire blueprint.  Blueprints do not do this.  ...

Editing Filtered Channels in Details panel doesn't update Spawn Control Node

UE - Anim - Rigging - Control Rig - May 7, 2024

An external user reported that creating and editing filtered channels in the details panel does not propagate to the node in the graph, thus making it unusable.  Here is a video with the issue: [ ...

Changing preview mesh appears to affect initial transforms of all control rigs in level viewport

UE - Anim - Rigging - Control Rig - Apr 16, 2024

It seems that switching the preview mesh in the control rig editor is affecting the initial transforms in the hiearchies of related control rigs in the level viewport.  This seems to be due to the c ...