Just now, I was reviewing First Posts.
I came upon this post, which had an integral rendered as an image instead of using MathJax. I clicked edit, and there happened to be a suggested edit addressing this. I improved upon that edit, and saved.
Much to my surprise, I didn't return to the First Posts queue. Instead, I was presented the next suggested edit. This behaviour is unexpected, seeing as I was editing from the First Post queue.
First of all, I might not be finished with the First Post, and it's not showing among my activity feeds, because editing was the first thing I did. Also, the review didn't count towards the First Posts count (for I didn't "finish" it by clicking "I'm done") -- not terribly important, but it's probably good to fix that along the way.
This is not the first time I encountered the behaviour, so I decided to post on meta. Can something be done about this undesirable transition?