Can no longer backup notes on iPad

After the last update (10939 and 10946), I cannot find how to backup my notes on iPad (I do not have a Mac). Pressing the 3 buttons on the top left screen, and pressing “Backup all notes” has never worked for me. Prior to the last update, I would press - “Settings” then “Export”, then scroll down to “Backup all notes”. I’m sure it’s there somewhere but I cannot find it.

First time posting - sorry if I should not have created a topic.

I’m also having this issue using build 10946 on iPadOS.