I'm not able to deactivate any beta feature if "Automatically enable all new beta features" is activated.
If I try to deactivate a feature, that setting is not saved.
I'm not able to deactivate any beta feature if "Automatically enable all new beta features" is activated.
If I try to deactivate a feature, that setting is not saved.
Correct. Disable it, if you don't want to have (almost) all beta features enabled for you.