Better Navigation Debug Info is a tool to understand what is going on "under the hood" in the Better Navigation System during gameplay.

You can open it through Tools -> Better UI -> Debug -> Navigation.

Fields

• Current Better Navigation
  The currently active Better Navigation component. This should always the one that is on the same game object as the current Event System.
• Focused Navigation Group
  The one Navigation Group that is currently focused. It can happen that there is no navigation group focused (in that case, the Root Selectables of Better Navigation are used)
• Last Remembered Selectable
  The Current Selectable or the one that was lastly active. This should always have a value.
• Current Selection
  The Game Object of the  Current Selectable as stored in the Event System. This can become null when the user clicks somewhere with the mouse.
• Active Navigation Controllers / Inactive Navigation Controllers
  Lists of all Navigation Group Switch Controllers and Tab Switch Controllers that are currently active or inactive respectively.
• Active Button Interaction Handlers
  All controls that support button shortcuts other than "submit". These are Input Button Triggers as well as Navigation Group Switch Controllers and Tab Switch Controllers