Now, nodejs binding op.is_exist changed to op.exists to align with nodejs API style.

Now, the append operation has been removed. You can use below code instead.

op.write("path/to/file", Buffer.from("hello world"), { append: true });

Because of a TLS lib issue, we temporarily disable the services-ftp feature.

Now, the list operation returns Array<Entry> instead of a lister. Also, we removed scan, you can use list('some/path', {recursive: true})/listSync('some/path', {recursive: true}) instead of scan('some/path')/scanSync('some/path').