TRIBES v1.7 has indeed been released. You can grab it from the TRIBES Players page. There are patches for 1.0 to 1.7 as well as 1.6 to 1.7. Here is a list of the major changes that were put into the latest patch:

- You can no longer throw grenades & mines if you are not controlling either your player object or a vehicle.
- Fixed a bug where mines and grenades that exploded while the player was not in control of his body would have an invalid team number.
- Players can no longer activate any station if their primary weapon is in it's fire or reload state.
- Player weapon is unmounted for all active stations (was left mounted for permanent ammo stations in 1.6)
- Fixed a bug with palette management introduced in 1.6
- Typing unclosed single quotes in the console no longer crashes.
- Turret::verifyTarget now has two arguments (%this,%target)
- GameBase::getMuzzleTransform() should now work correctly with turrets.
- There is now a 2 sec. timeout after using a station in which you can not throw mines & grenades.
- A few fixes were added to the 1.6 fix list (the first three had been left out)
- Player now throws his weapon more often when killed with trigger down.
- Fliers can no longer hover up through cielings or the bottom of bases.
- Deployables objects now check against interior and terrain when being displaced by a moveable objects (doors & elevators)
- Displacement code (elavators & doors) now uses a stepping collision test when testing a displaced object for collision.
- A server side getLOSInfo method was added for bot authors.