Yes, I think if you are writing a technical book, it'd be better to focus on a more stable technology. That or plan for a revision or two after the initial release.
And I can tell you, after I finished my book, I didn't want to think about the topic for a month or so. Can't imagine committing to a revision or two.
And I can tell you, after I finished my book, I didn't want to think about the topic for a month or so. Can't imagine committing to a revision or two.