Here is simple summary of what's coming over the next few months.
Disclaimer: Note that all dates are either my guesses or information I have found on public websites (not necessarily from Microsoft).
|Dec 2017/Jan 2018||
Customer Driven Update (CDU) to version 9.0.
Although Dynamics 365 version 9.0 has been released, it is only available for new sign-ups and instances that are reset. Existing instances can't yet be upgraded until the CDU process is available.
|Jan 2018?||Outlook App for Dynamics 365 version 9.0, currently only available as a preview|
|2018||Dynamics 365 Version 9.1 - perhaps for On-Premises as well as Online|
|2018||"lower cost" versions of Dynamics 365 apps - previously referred to as business edition. Still very much up in the air as to what the limitations in the lower cost apps will be.|
|Spring 2018||Project Tenerife - evolution of Dynamics 365 for Finance and Operations, Business Edition and Dynamics NAV|