nuvi 24x5 e 25x5 v3.50

Fixed several translation errors.
Improved map drawing.
Improved support for European functionality.
Improved SD card support.
Fixed ecoRoute HD connection problems.
Added FMI support.
Fixed an error that caused a routing error when driving through tunnels.
Improved search functionality and performance.
Improved traffic performance.
Fixed an error that prevented some MPC maps from searching POI categories.
Many other small and miscellaneous fixes.

nuvi 34xx v3.50

Fixed several translation errors.
Improved map drawing.
Improved support for European functionality.
Improved SD card support.
Fixed ecoRoute HD connection problems.
Fixed an error that caused a routing error when driving through tunnels.
Improved search functionality and performance.
Improved traffic performance.
Fixed an error that prevented some MPC maps from searching POI categories.
Many other small and miscellaneous fixes.

zumo 660 v4.30

Added upcoming streets to the map banner if no route is active.
Fixed an error that caused imported tracks to not route properly.
Fixed an error with the PIN entry page on OEM units.

zumo 665 v2.40

Fixed an error that caused imported tracks to not route properly.

Fonte: http://ravenmasterthoughts.blogspot.com/