A new version of Login as User - Joomla! component has been released.
+ Added ! Removed ^ Changed # Fixed
14-Jun-2019 : v3.3.3
# [Bug Fixed] If a usergroup's name has special characters like the (&) symbol, an error message is displayed: (500 String could not be parsed as XML) and the Admins cannot view and edit the plugin parameters. [Many thanks to Simon Logan]
(view the full changelog)