Saw this asked in one of the new threads. I know, there's been a few hundred the past couple days...
To find threads started by a user, first click on the user's name/avatar, or even your avatar in the top right. Then click on Profile Page
Click on Postings
Then at the VEERRRRRRRRRYYY bottom of the page, you'll see a link to find all threads by that user
Then that'll take you to a listing of the threads they've started. Might not be the easiest place to find it, but it is there.
To find threads started by a user, first click on the user's name/avatar, or even your avatar in the top right. Then click on Profile Page
Click on Postings
Then at the VEERRRRRRRRRYYY bottom of the page, you'll see a link to find all threads by that user
Then that'll take you to a listing of the threads they've started. Might not be the easiest place to find it, but it is there.