Yes, we are still working thru the 1 million posts, so I can understand your need for this! Look for the 3 dots on the very top of the list of messages where ot says Options, scroll down the list, clost to the bottom and you will see the choices for sorting, among other options!
You can see what's new by the bar and it will show where the post is. Hope this helps.
main forums page is https://community.sprint.com/
At the top of the page is Shop, Support and My Sprint where you can access other areas of Sprint. I hope this helps your questions. If not feel free to pm me or ask a more specific question.
How can a person get to the following link from the main page, community.sprint.com?