Hi All,

Yesterday, on Oct 27, Microsoft announced new version CSOM (Client Side Object Model) for SharePoint Online and Project Online. We will get latest version of CSOM package for SharePoint Onlien from the NuGet gallery having search term “Microsoft.SharePointOnline.CSOM”.

The  latest version of CSOM package is 16.1.7018.1200. 

Reference : https://dev.office.com/blogs/new-sharepoint-csom-version-released-for-Office-365-october-2017