It has been announced at last year Ignite Conference (Ignite 2019) and since then has been in preview.
The new Exchange Online PowerShell module, known as Exchange Online PowerShell V2 module, is now available.
You can get it from the PowerShell Gallery https://www.powershellgallery.com/packages/ExchangeOnlineManagement/ using the below command
Install-Module -Name ExchangeOnlineManagement
As for any PowerShell module you may be prompted to trust the location and/or to use the Nuget module
If for some reason you want to uninstall this module, use the command
Uninstall-Module –Name exchangeonlinemanagement –Force
The new ExO module support all existing remote command, with full support of modern authentication, plus introduce 9 new CMDlets.
It also provides a faster execution time; between 4 to 8 times faster than the counterpart v1.
You can learn more about the ExO v2 module here https://docs.microsoft.com/en-us/powershell/exchange/exchange-online/exchange-online-powershell-v2/exchange-online-powershell-v2?view=exchange-ps