We've upgraded all Loupe Service customers to Loupe 4.6. This upgrade has a range of defect fixes for the server UI and significant improvements to Loupe Desktop. If you're a Loupe Service subscriber, just have Desktop check for updates to upgrade to the new version.
For more information on all the improvements, see What's New in Version 4.6
We will be shipping Loupe 4.6 to all customers soon, depending on whether any issues show up in production.