Available for subscribers from https://my.embarcadero.com/#downloadsPage
What's new: https://www.embarcadero.com/products/rad-studio/whats-new-in-11-alexandria
Change log: https://docwiki.embarcadero.com/RADStudio/Alexandria/en/11_Alexandria_-_Release_2
Installed and upgraded smoothly in my test VM
Well, except the GetIt plugins... so those needs to be manually reinstalled from the GetIt dialog.