Revolution Slider update and Visual Composer update to latest versions.
Wp Estate 4.0.3.3 includes the Facebook SDK UPDATE. Please check notes
Files modified
libs/3rdparty.php – facebook api version has to be defined to v2.12 instead of v2.5 (just replace the value 2.5 with 2.12)
libs/resources/facebook (entire folder)
libs/ajax_functions.php – facebook api version has to be defined to v2.12 instead of v2.5 (just replace the value 2.5 with 2.12)
!!Starting March 2018, Facebook Login needs SSL to work properly.
Help to create your facebook login following the latest Facebook API updates –