The home page says 1.7 is available but it's not on the update site. Only 1.6 shows on the update site.
Also the summary of changes:
- ""Undo" menu: support for "Rollback", "Backout" and "Strip"" -- These were already present in 1.6. What is new is these items being present in the sync view context menu
- "More robust merging and conflict resolution" -- I would say "Robust merge and rebase support when there are conflicts and other improvements"
Important features not listed:
- History view usability improvements
- Tree presentation of files in the synchronize view
The main theme of this release is usability from my point of view.