More users have been invited to pass the test on Android, and Facebook has invited iPhone and iPad users to try out the dark mode of the mainstream social app. Dark mode has been introduced since IOS 13, and more applications can follow the system to enable light / dark mode. < p > < p > in the latest tweet released by Jane Manchun Wong last Friday, the Facebook application experience video in dark mode was shown, which basically met the user’s expectation. In his tweet, he said Facebook has invited more users to the public beta, which means more users will see the dark mode option. < / P > < p > before this large-scale public test, the dark mode of Facebook application was tested in June this year as “a small number of users in the world”. Although the official did not mention how many users could participate in the public beta, it indicated at least that the dark mode would be extended to all users in the near future. Global Tech