New Discussion System

Please help test new discussion system...But I never helped test a new system, so I didn't know what's this. Tonight I noticed some comments are not posted from 'reply to this' button, but 'reply', 'reply' is to make a new thread. At first sight I was unable to understand the reason some were posting from 'reply'. Then I realised all replies to each comment were unabled. Probably anyone can reply for ten minutes after the poster posted, then some time after that none is allowed to post a comment any more, instead they have to open a new thread. This might reduce the total number of post, oh, this might be so-called slashdot's new discussion system. All 'reply to this' buttons were appeared again after I took a bath. It was like a midautumn evening dream.