The add-on works great!
I love the AMPbot that is running from the developers website which crawls your AMP pages for errors and gives you tips to enhance the add-on. Works way better then the GSC.
The support is in one word excellent.
We use a custom add-on and AMP didn't work there. The developer asked me about that add-on before I got to it and after some testing AMP was working great there too.
It's not cheap for larger forums but well worth the money! Earn itself back
Awesome add-on, the Author listens and incorporates the user's feedback on this add-on. The AMPbot feature really helps clean up an old conversion as well. Already seeing Google and Bing picking it up as well. This is a must have for any forum to drive more traffic to your site. This should be incorporated by default along with the AMPbot.