com.apple.Safari.allow-unsigned-app-extensions - Overview of the macOS Authorization Right

macOS 10.12 / 10.13 / 10.14

{
  'allow-root' : 'false',
  'authenticate-user' : 'true',
  'class' : 'user',
  'comment' : 'This right is used by Safari to allow unsigned extensions in the Develop Menu.',
  'session-owner' : 'true',
  'shared' : 'false',
  'timeout' : '2147483647',
  'tries' : '10000'
}