The page describing all the changes, repairs & enhancements available in Service Pack 13 has now been published to the website. However, the software is not yet available for download. If you follow all the links to attempt to download it you'll be redirected to an error page that says:
"Not Found [CFN #0005]"
Publish Date
I continue working through the ribbons, fixing as much as possible, otherwise it's ready to go. Look for the download to be available by 2/10.