Version 4.9.0 is a significant update due to addition of Microsoft OneDrive intgeration in the Pro version. The Free version introduces some improvements and bugs fixes as follows:

• Code further improved to reduce "Iptanus Server unreachable..." errors.
• Checked Weglot Translate compatibility; /wp-admin/admin-ajax.php needs to be added to Exclusion URL list of Weglot configuration so that uploads can work.

For more details about this version's changes please visit the Release Notes of the plugin's support page.