What is future of Microsoft SharePoint?

Looking ofr more insights from Microsoft on future of Microsoft SharePoint ( for next 5-8 years)

- What are the new things/technologies/features that we can expect in near future

- How it will be sustainable in long run

- What will be challanges for current users or applications developed in current available environment

- How the copatibility of old to new versions will be handled.

(Couldn't locate any announcement on https://www.microsoft.com/en-us/microsoft-365/blog/2016/05/04/the-future-of-sharepoint/ by Microsoft)