Details on errors do not display.
The bell icon shows the error, but clicking on show details doesn't do a thing
When removing a market, from the recent market section, it removes the market. But you get forwarded to another market
Like clayop said margin call orders are missing, but it also seems that price limits and total bitasset (per short) are not being displayed. Sorry it is displayed, apparently you can sidescroll the short sell orders tab, wich isn't quit obvious.
To look at a particular asset, and see the collected fees, price feeds etc... You now have to go to exchange and click on it. But there is no way in the GUI to see this page for BTS itself.