One of the things I've been missing in Wrike is the ability to roll-up time spent from sub-tasks to the parent task. It rolls up to the project level, but not to the parent task level.
If you too have been missing this, worry no longer for I have found a workaround! (Well, I have adapted Rohan V's workaround from here:
To do this, create a new custom field, in my case I called this "Total Time Spent", create it as a formula and in the formula field type "[Time Spent]" and set the format to "Hours". Then you can enable calculations on this column and set it to roll-up at the task level. I then hid the "Time Spent" column in my view and it works!
