Add a page to a site

From a new message in the Message Centre https://support.office.com/en-gb/article/Add-a-page-to-a-site-b3d46deb-27a6-4b1e-87b8-df851e503dec?ui=en-US&rs=en-GB&ad=GB I noticed Sections in the Text part. Not in my tenant but pleased to see this coming.