This has been released and should be now be generally available in the App Store.
The version number supporting this is version 2.09 or greater.
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Suggestions for improvement for the new iPhone app
Do you have the same problem? I can no longer directly reply to a message in "Unanswered Responses". And when I click on a special response, I'm only taken to the thread in general, but not to the specific message. I always have to search for this message...