I've reviewed several posts regarding the new top bar such as:
https://meta.stackoverflow.com/questions/357621/review-queue-updates-icon-poll
https://meta.stackoverflow.com/questions/355236/the-new-review-icon-isnt-an-improvement
https://meta.stackoverflow.com/questions/343100/the-link-for-review-queue-is-broken
but none of these seem to address my particular case. While working on https://askubuntu.com/, after entering the review queue, the review light went out and stayed out even though there were many incomplete reviews and I had left the review queue.
Here's the evidence:
Don't get me wrong, I'm sure I can adjust to the change, but I'm concerned that this bug will result in reviews going unaccomplished.
Edit: Although it currently doesn't seem to address our "office supply threat level" (quoting @Zanna comment here, Makyen has developed a script that will customize the new top nav bar that looks like it may resolve many of the complaints regarding it in this answer to New top bar is live
Note: I haven't yet tested it as I'm still holding out hope for something that will actually provide review count.