I noticed an unwelcome change that started only yesterday. Before yesterday, I had a message option set to display the most recent message at the top of the page of each thread that I opened. Yesterday, the display switched to most recent message at the end of a thread, so when I click on a thread, I have to then click on the last page and scroll down to find the most recent message in that thread. I do not see how to set this option to "display most recent on top."