I would like to discuss about the feature in Study Plan, which is more like a bug.
Here are some points from other discussions:
Why can't we do more than any one plan at a given time? I mean for someone who wants a quick refresher, it will be nice to do multiple paths simultaneously rather than being locked out before the first one completes all days. Also, it will be nice if we can fast forward the questions instead of waiting for next day to get the card unlocked.
For folks looking to refresh (and not "study" from scratch) its an extra step to pick the problem name/number and search it manually. Doesn't make sense to keep subsequent days locked. On weekends and holidays, its better to go through as many questions as possible to reduce the total time spend in practicing.
I hope we can all agree to this. It may be a feature for some, but it definitely is a bug for the most. Everyone of us has a different pace with which we would like to solve the questions, and it is not flexible in that sense.
Hope we can solve as many problems as we want in one sitting in a plan, rather than to wait for days to complete or resubmit it.
Edit: Seems like they did update it. Now we can solve as many problems as we want in one sitting. Happy grinding!