If your YouTube homepage is showing videos in a list view (instead of a grid) this is not an intentional change and we're working to fix it! Thanks for all of your reports, and we'll share another update when the issue is resolved.
Thanks for reaching out – we're always experimenting with ways to improve the experience on Home & looks like you're part of one of those experiments. Recommend submitting your comments via the official Send Feedback tool, here are the steps: http://yt.be/help/feedback
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