Although Samsung still has not confirmed the launch date of the new Galaxy A series, the handset with the SM-A530N model number, also known as the Galaxy A5 (2018), has just received an official support page. Sadly, this page contains no technical details yet.
https://www.notebookcheck.net/Samsung-Galaxy-A5-2018-shows-up-on-an-official-support-page.263620.0.html