Hello again PK, and thanks for your thoughts.
We're glad that having the technical support team more involved is making a noticeable difference, and your feedback is very helpful as we try to get better.
I want to elaborate on your point about the responses on this list. One of the things you see us doing -- redirecting users to other forums -- is very intentional. While this list is an appropriate (and encouraged) venue for open discussion, there are better platforms for specific programming and system administration questions, and we want to encourage people to use those when appropriate. This isn't because we want to ignore the question -- we answer a lot of questions on StackExchange sites as well -- but for visibility, which has two very different benefits for the user community at large.
First, we encourage people to move the appropriate questions to StackExchange sites in order to get you an answer faster: there are many more eyeballs on StackOverflow than in this mailing list; this attention means more chances for the help you need.
Second, the visibility of those questions and answers is a lot better on a Stack Exchange Q&A site than on this mailing list. A Google search for "App Engine eventual consistency" demonstrates what I mean -- the first page is dominated by official docs and StackOverflow questions, not mailing list archives. We feel that if somebody (including us) is going to help you with a tough technical problem, that work should be as useful as possible, and that usefulness includes helping the next person who encounters the same issue.
I think that suggesting people cross post to stackoverflow is useful, I think telling them they've posted in the wrong place kills discussion around problems and questions. There are a lot of surface questions for appengine that can have deep answers, and stack overflow actively restricts the kinds of information that can be shared and disallows any discussion or conjecture.
I also personally don't like some questions being posted outside of stackoverflow in the ops section of stack exchange - that's no good to me. Running on a PaaS isn't about ops - that's you're job, not ours. I think everything should be on stack overflow to reduce search surface area. Mostly this is because the only solution is 'program around it' anyway.
All in all, the continued support of Google in this forum gives it a totally different feeling now - it feels like Google are invested in GAE as a continued piece of the cloud platform, so it's been a very positive change. It would be great to see product managers and engineers leading discussion in here too, rather than just support helping people with problems.
I agree with you that the community here is no longer as active as the "good old days" (I've been here since GAE first introduced Java).
But! I think this is also because the "veterans" are used to GAE and now they're busy building stuff!
I'm a satisfied customer and I prefer that GAE becomes the boring stable platform :)