No, it was according to all rules. Thte thread was about Bounty in Bounties section. After it was created, the next second I went to the list and it was not there.
"Bounties is one of four boards that have been affected by new bumping system.
Topics on "bounties" board are no longer sorted by the last post. When you create a new topic, its initial bump score is zero and it is not shown on top.
You can click on "last post" column so the topics are sorted by the last post.