Robert Triggs / Android AuthorityTL;DR YouTube viewers are reporting that background play no longer works on Samsung Internet, Vivaldi, and other browsers. The breaking of background play on multiple browsers suggests this could be a targeted change by YouTube. One of the many features included in a YouTube Premium subscription is background play. According to multiple reports from Samsung Internet users (via PiunikaWeb), background play has stopped working. To encourage more users to sign up for a Premium subscription, YouTube has previously rolled out changes to prevent circumvention.