I don’t find the contents of the TaskList History tab very useful. It would be much more useful if, instead of containing comments relating to a single user task, it contained comments from all previously visited user tasks. I would list them in reverse chronological and tag each one of them with the corresponding user task name.
I think there would be lots of use cases that could be realized in this way. Take approval tasks for example. Frequently, an approval denial is only temporary and is correctable. The denial could be explained in a comment and could be accessed by the approval submitter allowing correction and resubmission.
Just an idea. Thanks