About the size and frequency of game updates: Personally I don't mind waiting longer for bigger releases if it serves the quality of the game. Regular progress reports (ideally weekly, as least byweekly) are a must in my opinion though to let people know the game is still alive. It's less the length and content of those progress reports/dev logs that matter than the frequency. The point it to make it clear that the project is still alive and being worked on and that some progress is being made. Actual game updates (as in release) of new content should happen every other month at the latest I think because otherwise players will forget what happened before and going back to reread older stuff becomes a pain after a few times, both because of repetitiveness and because of more and more old stuff to go through with each update. Though I guess you could counter that to some extent with small recaps at the beginning of a new update.