We have the same problem, after the installation of the new WP.
Your plugin stop working, i try to unistall and install the new version, the installation is succesfull but with the versione 2.0.3 when i try tu update your plugin i get beck this message.
Aggiornamento fallito: {“success”:true,”data”:{“update”:”plugin”,”slug”:”wp-amazon-shop”,”oldVersion”:”Versione 2.0.3″,”newVersion”:”Versione 2.0.3″,”plugin”:”wp-amazon-shop\/wp-amazon-shop.php”,”pluginName”:”WP Amazon Shop for Dropshipping & Affiliation”}}