User blog comment:Sarah Manley/New Editor Scheduled for Sitewide Release/@comment-188432-20110908232732/@comment-126761-20110909103105

Showing the 'publish' button on the preview dialog was actually a user request, and the same with showing a preview of your previously entered edit summary. We don't want to repeat everything on the preview dialog, but being able to tweak your edit summary seems reasonable - I'll look at it.

Regarding speed and reliability - let us know if you continue to see issues. (Both are things we're continuing to work on, regardless)