It's not possible to update from Outlook Win32 to Monarch on Azure Virtual Desktop. For the intended purposes using the OWA client doesn't resolve.
Once you toggle the pop up displays it's down...
Bumping this thread.
FSLogix has released an updated version to support the new Teams client. It detects and registers the AppX package, so it's not removed after signoff. https://learn.microsoft.com/en-us/fslogix/overview-release-notes#fslogix-2210-hotfix-3-29878463912
I haven't seen any mentioned support for the new Outlook client however.
For me the whole app still keeps disappearing after signing off, even with the latest version of FSLogix. Has anyone had any succesfull results on getting the new Outlook running on AVD?