It's Monday, November 14th, and the features on Sisi are the features coming in the winter expansion. They aren't necessarily exactly the way the features will be, but there isn't "one more thing" coming in a dev blog that you can't see on Sisi today.
Those of you in software development know about code freeze – and so does CCP, and for once they seem to want us to have all the cards up front for testing and validating.
Now the trick is to try things out, and see what doesn't work. Because with the large number of little (and bigger) things CCP is trying to put into this release, the devs don't seem confident about any of their features being correct. There's been a lot of push-pull in the forums about the information in the various devblogs, and so many of these features will require actual field tests to determine their stability or balance, that each of us should take a few minutes (ok, a few hours) and download and set up Sisi to test your favorite things in EVE.
Because if CCP broke it, now is the time to get them to fix it – at least as long as it's in the current feature list.
So pull up the list of dev blogs in your favorite browser, get a cup of coffee, tea, or beverage of your choice, and make sure that your game isn't broken on Sisi. Because this expansion really is about the players - and the game - and CCP can make this expansion a good one if we help (by testing their game and finding out what they broke).