None that I saw. Even the 28 March change I saw sometime in April as I wasn't logging in regularly. The March date is a calculated guess itself..
That makes it hard to tell if your IP1 or IP2. Since you have your GCMS notes already, you should check the GCMS note threads, and they can help you determine which stage you are in based upon the language in the notes. I'm awaiting my notes hopefully by next week.