The paths are automatically updated in the 3D viewport, and random colors can be assigned to help you visualize your animation paths.

Random colors help with managing multiple paths and visualizing all your animation trails.
Auto-updates in the 3D viewport.
Update button available when working in the graph editor.

To create motion paths for selected objects, simply click on the "easy Paths" button.
For bones, select the desired armature(s), click on the "BONES" button, then select the bones. Finally, click on the "easy Paths" button.
You can use the "A" shortcut to quickly select all objects or bones.

The Easy Motion Paths tool is designed to be simple and user-friendly. It allows you to easily create or delete motion path points with keyframe numbers across the entire playback range.
If you want to limit the visibility of the points to a specific range, you can adjust the start and end frames before activating the Easy Motion Paths button.
Please note that advanced options may be added in future updates if required.