You can get support from the community and the developers by sending your questions and issues by email to the User Mailing List.
Watch out! You need to be subscribed to this list to send and receive messages. Messages by non-subscribers are discarded automatically as are messages with large attachments (e.g. images).
There are posts detailing many topics on the Artisan Blog. If you are looking for something specific it is best to start with the Overview page. Note some blog posts of these relate to prior versions so the menus may not be the same.