During last few days we're experiencing some delay in website stmp provider channel.
Some notification email from the website might not reaching containers.
We're working on a definitive solution.
on rotation event the page is re-rendered, so you lose the current annotation instance.
You can get the annotation index when you tap on it the first time (add [m_annot getIndex], in PDFView class when the annotation is tapped), then get the same annotation after the rotation using the index.
In PDFView class you can add a method to force the OnAnnotEditBox with something like: