The Microsoft Business Applications sessions are now available on-demand https://www.microsoft.com/en-us/businessapplicationssummit/sessionsondemand

I enjoyed the following sessions:

Client usability and productivity improvements in the October release and beyond for Microsoft Dynamics 365 for Finance and Operations

Monitoring Microsoft Dynamics 365 for Finance and Operations with Lifecycle Services

Microsoft Dynamics 365 for Retail: Reliable data management and payment processing

Microsoft Dynamics 365 for Retail: Delivering cloud driven intelligence and tools to enable enterprise manageability

I also want to highlight the following session, where Microsoft is explaining Dynamics 365 version 10 (Thanks Shelly)

Microsoft managed continuous updates and support experience for Microsoft Dynamics 365 Finance and Operations