It appears this has recently been updated, but unlike the previous version you are now unable to see an item moving up/down whilst making movements. You have to stop moving and re select the list. Not sure if this is what was intended or perhaps a bug. The previous version was much easier to use.
This hasn't changed recently, but it's possible that something is going wrong.
Can you post a link to the site where you're trying to reorder the navigation and it isn't working properly?
thanks Joe, I was using it on my iPad to update the order on bulmerhistor.co.uk. It does work but after each move I had to re select the list to if it was in the right position and the move it again.
Ah, OK, so it sounds like it could be a problem with the site on an iPad, but that it's OK on desktop browsers.
I have on the roadmap a piece of work to make the admin pages work much better on mobile/tablet devices, so hopefully I can fix this at the same time!
In the meantime, hopefully you managed to update the order OK in the end! :-)