If the software is free, b) doesn't really apply. But I agree that a major version number should mean something - see http://semver.org/ http://semver.org/ Why

If the software is free, b) doesn't really apply. But I agree that a major version number should mean something - see http://semver.org/ http://semver.org/ Why not do fast development cycles that result in point releases? That, combined with background updates like Chrome does, would be great.