@TeamYouTube Why are some of my thumbnails gone when I press “Home”? This have been going on for weeks now...pic.twitter.com/AvZiJOMcQk
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Thanks for trying those steps. As a next step, file a feedback report while signed into your account and share as many details as you can: https://yt.be/help/feedback . You may not receive a direct response, but this'll help us track info to fix issues.