The latest version of Nautilus can be downloaded from Softpedia
The GNOME developers behind the Nautilus project (now known as Files) have announced that version 3.7.90 is now available for download.Nautilus may have changed its name to Files, but it will take a long time for users to get used to it. In any case, Files 3.7.90 is finally here and it comes with a few modifications.
Highlights of Files (Nautilus) 3.7.90:
• A Treeview option has been added for list view. This is off by default, and is backed by a checkbox in the Preferences dialog;
• A "Connect to Server" item in the Network section of the sidebar has been added;
• A "Format..." item has been added in the volume context menus in the sidebar;
• Accelerators are now showing up in gear and view menus.
A complete list of changes can be found in the official changelog.
Download Files 3.7.90 (formerly known as Nautilus) sources right now from Softpedia. Remember that this is a development version and it should NOT be installed on production machines. It is intended for testing purposes only.