Several people have complained that they cannot leave comments. I just tried to leave a comment on my own blog and was repeatedly denied.
I switched the comment type to "pop-up" box, which I loathe, but then when I tried to comment I saw red text at the bottom saying I wasn't allowed to use the blockquote tag. On the old form, when comments were listed by pages, I never saw any error messages. Just failure.
Let me know if this new format still doesn't let people add comments.