In the latest update about the Search API problems, it said:
If you were relying on certain query pattern that is not included here, please reach out to email@example.com explaining your use case.
I tried emailing that address, and got the following failure reply:
We’re writing to let you know that the group you tried to contact (searchapi-issues) may not exist, or you may not have permission to post messages to the group. A few more details on why you weren’t able to post:
You might have spelled or formatted the group name incorrectly.
The owner of the group may have removed this group.
You may need to join the group before receiving permission to post.
This group may not be open to posting.