Can you turn Redwood back off if auto enabled after 27C?

Summary:

Are these statements true- if not what is a more accurate statement?

Is the classic UI fully deactivated at update 27C — there is no opt-out and no extension, and all new learning features are being built exclusively for Redwood.

Second, enabling Redwood catalog management is irreversible: once turned on it cannot be disabled (only an environment refresh reverts it).

If this profile value is auto enabled with 27C can we turn it back off?

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