Here is the response I received.
"That is indeed a known issue. We are going to be updating how the information from hints is merged, next month. We encourage you to try out the new merging function when it becomes available, as it may help avoid some of the aforementioned bugs. We regret any inconvenience you may have experienced, but would like to reassure you that we indeed have heard of the problem and are putting steps in place to help avoid such inconveniences in the future."