Getting posts to sort chronologically in tree view

[MRAB]

On 2018-07-02 19:02, T Berger wrote:
> Is there any way to set posts to appear chronologically in tree view? And why is the tree view completely out of order? My last two posts in this view are from 6/27 and 6/28.
> 
You haven't said what software you're using to view this list.

Judging by your email address, I'm guessing that you're accessing this 
list via Google Groups in a browser.