Adding lessons to a playlist in seeming random order

It’s confusing when a new lesson is added to a rather long playlist. Instead of appending it to the end of the playlist, I have to go looking for it. At first I thought the lessons were simply not being added to the playlist. In fact they were there, but nowhere near to end of the list. They were not added to the beginning of the list either.

Thanks, we will look into this. Is it on the web version?

Both the iOS and the web versions have this issue. Thanks.