For the first time, Twitter has labeled a video that attempts to portray Joe Biden as stating that Donald Trump should be re-elected. The video has been deceptively cut short to fit this message. The ‘Manipulated Media’ label is part of Twitter’s new guidelines and approach to synthetic and manipulated media being shared on the social network. Twitter has told BleepingComputer that these guidelines went into effect on March 5th, 2020. Facebook has now also labeled the video on their platform as ‘Partly False Information’
Source: https://www.bleepingcomputer.com/news/security/twitter-first-trump-video-retweet-tagged-as-manipulated-media/