SInce upgrading to TP v5.0 abd no 5.0.3, I notice the close document shortcut "X" is located in bottom right of TP window. I am used to the standard of having it in Top Right. Cant find any documentation to change this location.
Open "Configure" > "Preferences" > "View" and set the option "Tabbed Document Selector"|"At top of frame".
Then the Tabs AND the "X" will be above the documents...