My YouTube Subscriptions page on desktop now has a "Most Relevant" section. On large screens, this takes up half of the page. On smaller screens, this takes up more than half the page. You should expect this "Most Relevant" section to replace the direct content listing in future.

When this happens, you should expect to lose direct access to your subscription listing by upload date. They will probably add a button for direct listings, at least for a while, but you will not be able to link a direct listing.

Later on that button will be removed, and the option will be hidden in settings somewhere.