Announcement of removing the powerapps and flow integration from preview state
Announcement of new modern webparts for the SharePoint Online
Announcement of support for Outlook REST API v1.0, Office 365 Discovery and Live Connect API. And what is the alternate to these APIs
Announcement on the change in Outlook support for iOS versions
This is an announcement of new feature in Office 365 - SharePoint Online Site Collection App Catalog and explains about that feature.
PnP – Patterns and Practices community team released a three different CSOM Extensions for each versions of SharePoint in a Nuget package and the source is available in github.
The new features in SharePoint online
Summary about the new responsive ui package from PnP core team