So as someone that is not at Ignite this year, I had to watch everything remotely but not that I am complaining 
so this post is a summary of what is announced at Ignite so far from day 1. Just some quick notes until I get some more details on each topic.
Azure Stuff
Azure IPv6 Support:
H-series Azure: Which is aimed at HPC with mulitple vNICs and RDMA options (https://azure.microsoft.com/en-us/blog/availability-of-h-series-vms-in-microsoft-azure/)
- Azure DNS now GA: https://azure.microsoft.com/en-us/blog/azure-dns-general-availability/
- Accelerated Networking in Azure: Which basically allows for SRV-IO in Azure which can also leverage NVGRE offload on the host NIC which allows for much higher troughput.
vNet peering is now GA
Active-Active Virtual Network Gateways
Updates to Application Gateway to do SSL end-to-end configurable SSL profiles, also includes WAF policies against OWASP top 10
Public Preview of Azure Monitor: https://azure.microsoft.com/en-us/blog/announcing-the-public-preview-of-azure-monitor/
Azure Service Fabric for Windows Server now GA: https://azure.microsoft.com/en-us/blog/azure-service-fabric-for-windows-server-now-ga/
Mulitple updates to Azure Security Center: https://azure.microsoft.com/en-us/blog/strengthen-your-cloud-security-posture-with-new-capabilities-from-azure-security-center/
Azure Disk Encryption now GA: https://azure.microsoft.com/en-us/blog/cloud-innovations-empowering-it-for-business-transformation/
Other Stuff:
Vmware Monitoring Public Preview for OMS https://azure.microsoft.com/en-us/blog/cloud-innovations-empowering-it-for-business-transformation/
Application Insight Connector in OMS: https://blogs.technet.microsoft.com/msoms/2016/09/26/application-insights-connector-in-oms/
Azure Stack Tech Preview 2 launched: https://azure.microsoft.com/en-us/overview/azure-stack/
Azure iDNS for AzureStack: https://azure.microsoft.com/en-us/documentation/articles/azure-stack-understanding-dns-in-tp2/
Windows Server 2016 and System Center 2016 GA: https://blogs.technet.microsoft.com/hybridcloud/2016/09/26/announcing-the-launch-of-system-center-2016-and-new-services-for-operations-management-suite/ https://blogs.technet.microsoft.com/hybridcloud/2016/09/26/announcing-the-launch-of-windows-server-2016/
Improved OneDrive for Buisness to sync SharePoint Document libraries as well!
EMS being added to Azure Portal directly:
Activity Log Analytics solution from Azure part of OMS:
Windows 10 and partnership with Bromium to deliver Virtualization-Based Security https://blogs.bromium.com/2016/09/26/introducing-virtualization-based-security-next/