The metabox works fine when a post is created, but when an imagem have your position changed trought drag and drop, after post update the image that have your position changed is deleted.
My field:
array(
'id' => 'images',
'type' => 'image_upload',
'name' => esc_html__( 'Imagens', 'webpesados' ),
'force_delete' => true,
'image_size' => 'thumbnail',
'columns' => 12,
'tooltip' => array(
'icon' => 'help',
'content' => esc_html__('Arraste as imagens para alterar sua ordem de exibição.', 'webpesados'),
'position' => 'right',
),
),
.
