End of November:
XOA admin users on the latest channel will see a new option in the left-hand menu to access XO 6. XO 5 will remain the default interface, but you can begin testing XO 6 whenever you like.
Users running XO from source will transition to XO 6 by default, with a link in the interface to return to XO 5 when needed.
End of December:
XOA's latest channel will also move to XO 6 as the default interface. XO 5 will also remain accessible whenever you need it.
Stable channel will remain on XO 5 by default.