YouTube ReVanced Extended is a modded YouTube client with features like no ads, background play and features like SponsorBlock and Return YouTube Dislike.
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Note 1: To fix "Update available. You are using an old version of YouTube. Please update to get important bug fixes and improvements. It typically takes less than 1 minute." Enable spoof app version and change the target version to at least 18.50.01 in the ReVanced Extended settings

note 2: here's the patches I