While we don't have an option to disable the feature, you can always share your thoughts by submitting a feedback report directly from YouTube: https://yt.be/help/LPEM . While you may not get a direct response, we do review everything.
@TeamYouTube Please may you tell me how I can disable the mini pop out window at the bottom corner that appears when I search for something new?
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Thank you very much for your reply
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