Hello Carl, Thank you for your question. I cannot find public documentation that definitely answers your question but you may use this general link <https://cloud.google.com/release-notes> for product news, which is updated regularly.
-- You received this message because you are subscribed to the Google Groups "Google App Engine" group. To unsubscribe from this group and stop receiving emails from it, send an email to google-appengine+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/google-appengine/efc1a8d6-55ab-4617-afcd-291acfc8bac1%40googlegroups.com.
