There is not an equivalent of the expenses graph in desktop in online.
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It does seem odd to me that the online version has less graphs than the old desktop version.
There is no profit/loss and you cant drill down graphically to a month.
The dashboard is the strangest part, there are a few graphics which you can only change the dates. You can not change the data source, you can not graphically go into a part.
It just seems so odd that they have made it look all new and graphical but have removed any good features that existed in the old versions and have not added anything else.