This is not the experience I am seeing in our environment. Legacy search is still the default in lists and dropdowns. It can be changed per user, but I am wondering why it isn't behaving as the default
This is expected. In v27 the optimized (modern) search is available by default, but existing users keep their old (legacy) search preference. Only new users or users with reset personalization get modern search automatically. There’s currently no admin setting to force it for all users.
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