TL;DR: All old YouTube feeds still work in BazQux. Hi, some time ago YouTube decided to deprecate their RSS feeds (calling it a switch from API v2 to API v3). They left undocumented feeds for users & channels but search, most viewed and subscriptions feeds were completely removed. It's unfortunate trend when services remove RSS feeds. Both Facebook and Twitter have removed them, Google+ did not bother to have them at all. What they don't understand is that people who used to reading via RSS r...