Yes, Atlassian released a new layout for Cloud a few weeks ago.
See https://community.atlassian.com/t5/Confluence-discussions/What-just-happened-to-Confluence-Cloud/m-p/622890#M237%3Futm_source=atlcomm&utm_medium=email&utm_campaign=immediate_general_reply&utm_content=topic for some discussions about the changes.
Thanks, Nic. I already replied in that thread as well before posting this question - meaning that I was in the right place to put it there.
I'm not particularly fond of the magnifying glass option now, since it doesn't bring up search results as it did before. For a knowledge base that can be useful*
* understatement might be applicable
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