We have recently seen this new feature appear on our tenant which is awesome because our clients have been asking us whether this is possible. They typically link or manually import data from their website and other local news sources and I frequently get asked if there is a better way to do this.
This is a first look at the news feature **'Save for later'** that will grant the ability for a staff member to save a news article in a Communication Site for later reading
With document libraries, there isn't a permission level to restrict deletion of document libraries. There is the standard out of the box 'Manage Lists' permission that includes the ability to create or delete lists/libraries.
Lots of exciting announcements from the SharePoint 2018 conference in Las Vagas, but one area I started to play with is the newest sp-starter-kit project from PnP.
Learn to use the latest list formatting capabilities and apply them to existing sites with PnP PowerShell