I'm working on the new role and permission structure to facilitate a content workflow and approval process. See here for my plan on how it will work.
Also implementing some of the things I left hanging in previous releases. For example the Show Child Page menu feature. There was a page setting created for this in the last release but setting it didn't do any thing. This will be usefull for pages where you are using the page as a top level menu and the content is in sub menu pages like the Documentation meu item in this site. Right now that page has an Html module where I have manually created links to its child pages but with this new feature all I have to do is check the box in page settings for "Show Child Page Menu" and this menu is automatically created.
Also adding a "Show Child Page Breadcrumbs" setting at the page level to show a breadrumb style menu accross the top if the page has actual content but also has child pages.
Adding a feature to the blog so that you can exclude posts from the outbound feed if you want to. I will use this in my blog at JoeAudette.com because it is aggregated on monologue and somehow I feel a little more cautious about what I put on there. I might want to blog some drivel or go on a rant without it going onto monologue.
Adding settings to configure the width and height of the editor in the Blog and Html Content modules.
A skin preview feature and the option to let users choose a skin. This is another setting that exists in Site Settings "Allow Users to choose Skins" but doesn't currently do anything. I will make it so if you check this box in Site Settings the user profile page allows the user to choose a skin that will be used whenever they login to the site.
This will probably be a bit of a bumpy upgrade for existing sites with not only new columns being added but a few columns changing the data type from varchar 255 to text. I will do my best to make good upgrade scripts for all 3 data layers but it will be essential that you backup everything before doing the upgrade and ideal if you can do the upgrade on a copy of your site and db and then point to your site to the copy.
I guesstimate about 2 weeks from now for the next release.