Since the latest Roblox Studio update, the New Gen UI beta feature disabled automatically. After re-enabling it again and restarting Roblox Studio, the UI is still the old one and the Beta Feature can not be found anymore on the tab.
Expected behavior
Having back the New Gen UI or having again the setting on Beta Features.
A private message is associated with this bug report
Thanks for the report!
Is your install new? We are currently AB testing old ribbon/new ribbon for new installs to better understand the impact of the feature.
If your install is not new, please try re-starting studio and let me know if you still face the same issue.
If you want to be excluded from the AB test, you can disable FFlagRibbonBetaNewUserExperiment
Don’t bring back the old UI it’s terrible, disabling the FFlag didn’t revert my UI quite annoying as I’ve used the new studio UI since it’s been accessible.
Experiencing this too! Not a new install.
Loaded Studio today to the old UI. The New UI Beta was (and is) not present in the Beta Settings at all.
Disabled the FFlag suggested, and no change occurred – still on the old UI, and the feature still isn’t in the Beta Settings!
Hi @dylan3d107 @newwil @04Eliot04
Sorry you all faced this. We wanted to AB test the new ribbon with new users but it seems that somehow older users also got enrolled. I may reach out to you for repro cases tomorrow.
In the meantime, I’ve reverted the flags. Please let me know if you are still having issues after a restart.
It’s no worries! Even if it was unexpected, it’s genuinely nice to see active development & testing on the Creation side of the platform 
Old UI without the Beta option is still persistent on my primary Windows computer.
If this means anything: Just checked on my Mac and the New UI displays as expected (though I did not check it before you reverted the flags, so it may not have been affected). Both of my machines are running v689 currently.
I’ve kept a copy of my Studio logs for the past 24hrs on my Windows machine in case they may help!
Thanks! I will DM you to check a few things
