What does dynamic group do in the system? Trying to implement one but I don’t have a clue on its usage.
The usual way (non dynamic) is to assign a display to the display group, the display will stay assigned until you manually unassign it.
Now with dynamic groups, you set a criteria and all displays that will match the criteria will be assigned to that group - https://xibo.org.uk/manual/en/displays_groups.html
if you change the display name for example and after change it will no longer match the criteria then it will no longer be assigned to that dynamic display group.