In some views tasks are displayed with an edit icon which is really practical. In some views there are none and in some cases you need to do edits that require visiting the task's page (adding comments, changing status...), or simply look at the task's details. Or you may have used a shortcut task creation button like a (+) in a workboard column.

In all these situations, you can't trivially go back to the view you came from: if you click the browser back button, you get back to the task's page in its prior state with unsubmitted forms etc... Then you have to click the back button again but it is very disconcerting.

From my observations, people end up open tasks in separate tabs, editing, closing the tabs and finally reloading the orginal view to reflect the changes. Not very efficient.

Have a smart back link to get back to the original view you came from, at least with 1-level depth (i.e. it could not be present anymore if you go visit another task linked from the task) would be very helpful.

I've seen this in the past in http://trac.edgewall.org/ for instance.