New UI - Omega timescale as its released on delta

In my understanding the Dashboard experiment, A, B, C selection, is totally random.

As "Both consoles say their OS Version is (19h1_release_xbox_dev_1911.191028-1335)" your consoles are either in the Beta or Delta ring.

Both those rings and Omega ring are getting a preview update News release notes Beta Delta Omega
Insiders today, which you can manually start or wait until it becomes mandatory.

After you do the update, if you want to change rings, it will be the perfect time to change as all those rings will be on the same release. Subject to eligibility.

They rolled out to the Xbox Insiders Alpha users, as for the rest of us that are Beta, Delta, Omega, or General Public, they have not been released yet.

I am currently trying Delta ring. I will report here if it helps with crashing in late game.

UPDATE:

I was able to finish the game that was constantly crashing after updating to Delta ring release Xbox Insider Release Notes - Delta (2208.220715-2200) - Xbox Wire

If Omega ring has same fixes, then hopefully everyone will get this fix soon.

I will continue testing with Delta ring with all addons enabled (currently have extra civs disabled) with new game on huge map.

Only offering omega, there is no delta option?

It's still rolling out so at some point you'll get it on your Series S.

Only if you are in a Insider preview ring! ASA, Alpha, Beta, Delta or Omega.

There has been no notification that the new dashboard has been released to GA.