Disable specific plugin update notifications. Unset specific plugin file.
Source1: https://www.sanjaybhowmick.com/disable-plugin-update-notification-specific-plugin-wordpress/
Source2: https://wordpress.stackexchange.com/questions/20580/disable-update-notification-for-individual-plugins
// Disable plugin update Notification of specific Plugins
function disable_plugin_update_nag($value) {
unset($value->response['admin-menu-editor-pro/menu-editor.php']);
unset($value->response['events-manager/events-manager.php']); //Events
unset($value->response['bb-plugin/fl-builder.php']); //Beaver Builder
unset($value->response['astra-addon/astra-addon.php']); //Astra
unset($value->response['formidable/formidable.php']); //Formidable Forms
unset($value->response['give/give.php']); //Give Donations
unset($value->response['gravityforms/gravityforms.php']); //Gravity Forms
unset($value->response['bb-ultimate-addon/bb-ultimate-addon.php']); //Ultimate Beaver Builder Addon
unset($value->response['give-form-field-manager/give-form-field-manager.php']); //Give Donations Add-on
\!h unset($value->response['__Add plugin path here__']); //#Add plugin path here
return $value;
}
add_filter('site_transient_update_plugins', 'disable_plugin_update_nag');