Updates & Downloads

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GPSMAP 66 (WebUpdater) software version 9.60

as of November 17, 2021

Use Garmin Express to install this file.

(20.13 MB)

View system requirements

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Change History

Changes made from version 7.60 to 9.60:

• Added support for creating courses. Courses can be navigated point to point like a track, or using map data like a route.
• Added support for syncing courses with Garmin Explore. Requires updated Garmin Explore app.
• Added ability to convert routes and tracks to courses.
• Added ability to pair to Garmin Explore without first pairing to Garmin Connect Mobile. Requires updated Garmin Explore app.
• Added option to search for POIs near a selected city.
• Added on course and off course alerts to track navigation.
• Added support for Connect IQ 3.1.
• Improved status bar to show paired sensors instead of only enabled sensors.
• Improved bluetooth device names in sensor setup.
• Fixed possible issues with live geocache lists.
• Fixed possible issues returning to the adventure review map from another page.
• Fixed time data when copying tracks in reverse.
• Fixed issue where route list would not update after route was deleted.
• Fixed issue with keyboard language not persisting through power cycles.
• Fixed an issue deleting adventures that contain routes.
• Fixed possible issue with elapsed time when recording is paused.
• Fixed possible shutdown selecting Current Activity from the Recorded Activities app.
• Fixed issue where messages would appear during power-down.
• Fixed pressure labels for hectopascals.
• Fixed possible issue with missing track stats in GPX files.
• Fixed issue selecting the first point on the active route page.
• Fixed possible shutdown on keyboard page.
• Fixed display issue on photo viewer page.
• Fixed recording with expedition mode when auto-start is off.
• Fixed issue where archived tracks could not be deleted.
• Fixed issue with LiveTrack data not being sent correctly.

Changes made from version 7.20 to 7.60:

• Fixed possible issues with Explore sync
• Fixed possible issue with incorrect track distances when using expedition mode
• Fixed issue where the text and keyboard languages could get out of sync
• Fixed possible invalid track GPX files after changing color
• Fixed possible issue with inReach remote message notifications
• Fixed possible missing band labels on satellite page
• Fixed Track color issue
• Fixed possible issue when viewing the Current Activity

Changes made from version 6.00 to 7.20:

• Fixed possible shutdown when sending a Quick Text from inReach Remote
• Fixed possible issues with items missing during Explore Sync
• Fixed an issue where certain submenus could be draws off screen
• Fixed issue setting custom waypoint offsets using filename
• Fixed possible issues that casued the main menu to draw over the current page
• Fixed possible shutdown related to BirdsEye direct downloads
• Fixed possible issue getting stuck on a page after powerup
• Fixed possible issues with postal code searches
• Fixed issue where proximity alerts would only alert once
• Fixed missing alerts from points loaded using POI loader tool
• Fixed adding hidden SSID networks
• Fixed possible issues with time restricted speed limits
• Fixed navigation to a geocache to always continue until ended by user
• Fixed geocache file list to wrap
• Fixed some issues with geocache photos
• Fixed issue where certain pages could incorrectly appear to have tabs
• Fixed issue where fit activities could be missing start time data
• Fixed issue where bearing line would not appear on map in CDI compass mode
• Improved recent finds list to include navigation started from the map
• Improved functionality of navigation features with Explore
• Improved round trip routing setup experience

Changes made from version 5.00 to 6.00:

• Added support for starting navigation form the Explore App

Changes made from version 4.80 to 5.00:

• Fixed issue causing some software updates to fail.
• Improved the process of deleting .ggz files.
• Fixed issue with geocache proximity alarm slowing down start up times.
• Fixed possible shutdown on photo viewer with lots of photos.
• Fixed potential flashing of main menu on top of different apps.
• Fixed issue that could occur when clearing geocaching live data while navigating to a geocache.

Changes made from version 4.20 to 4.80:

• Added support for the additional waypoints part of a geocache to be downloaded via geocaching live
• Added geocache proximity alerts
• Added Auto Save to recording setup, replacing Auto Archive
• Added Garmin Explore collections manager
• Improved text entry for inReach remote
• Improved BirdsEye Direct download speeds
• Improved use of Menu > Menu so that page sequence positioning is not lost
• Improved Chirp icon to indicate when Chirp is active
• Improved behavior of navigation of the active track after a power cycle
• Fixed possible issues sending messages with inReach Remote
• Fixed possible shutdowns related to BirdsEye Direct
• Fixed possible issues with Chirp pages
• Fixed possible issues with geocache filters
• Fixed possible display issue on the review page for right to left languages
• Fixed incorrect location data on geocache logs
• Fixed possible issue where calendar would select the wrong day
• Fixed possible issue reading data from microSD cards
• Connect IQ security improvements

Changes made from version 4.10 to 4.20:

• CIQ Security Update

Changes made from version 3.40 to 4.10:

• Added ability to display FIT Activities on the map
• Improved hiking route calculation performance
• Fixed issue with using Spell Search to find cities in BirdsEye Direct
• Fixed issue with deleting routes
• Fixed issue with erroneous Track Archive Error dialog displaying at startup
• Fixed keypad input preventing Wi-Fi networks from being added
• Fixed issue with trip info fields not resetting
• Fixed issue with displaying invalid positions in some position formats
• Fixed issue with mismatched durations in Trip Computer and Recording Controls when using Expedition Mode
• Fixed issue with not being able to display HuntView maps if a BirdsEye map is visible
• Fixed issues with connecting to Bluetooth bike speed, cadence, and speed + cadence sensors
• Fixed issues with CIQ applications not being able to download content
• Fixed issue with displaying incorrect coordinates on the Satellite page when in satellite demo mode
• Fixed issue with sending XERO locations to another device
• Fixed issue with not properly displaying paired inReach Remote device as connected

Changes made from version 3.10 to 3.40:

• Fixed issue where spot soundings were permanently disabled
• Fixed possible issue on the map where we would list use instead of go
• Fixed potential issue where route activity was not saved after changing profiles
• Fixed potential shutdown when Recording Controls is in the page sequence
• Fixed issue where we would delete GPX files on SD cards during Delete All
• Fixed possible issue when leaving Weather page from page loop
• Fixed possible issue with mass storage locking up
• Fixed possible issues with MOB key
• Fixed possible issues with WiFi set up page
• Fixed possible shutdown when using Area Calculation
• Fixed possible shutdown during large Birdseye downloads
• Fixed possible shutdown with changing dashboards
• Fixed timing for flashlight SOS morse code
• Added ability to hide/show the dashboard on the map
• Added Geocaching options to main map page
• Improved altitude accuracy in Expedition Mode
• Improved altitude accuracy with auto calibration
• Updated magnetic compass deviation

Changes made from version 3.00 to 3.10:

• Added ability to view upcoming turns in active route
• Added support for remotely launching Connect IQ apps
• Added additional Connect IQ cryptography support (KEY_PAIR_ELLIPTIC_CURVE_SECP224R1 and KEY_PAIR_ELLIPTIC_CURVE_SECP256R1)
• Added ability to select from multiple found ANT/BLE sensors when searching for one
• Added support for the Swiss grid CH-1903+ position format
• Fixed issue with custom maps on SD cards
• Fixed issue with calorie data field when using a heart rate monitor
• Fixed issue with coordinate entry in some position formats
• Fixed issue with proximity alerts of points loaded via POI loader
• Fixed potential issue when stopping navigation when viewing the active route directions
• Fixed issue that could occur after moving a waypoint
• Improved activity data on Garmin Connect

Changes made from version 2.90 to 3.00:

• Added support for G3 Marine Cartography.
• Added TracBack to active track map review menu.
• Fixed possible issue with ascent/descent stats during Expedition Mode.
• Fixed possible issue on system resets.
• Fixed possible issue when routing to photos.
• Fixed possible issue when stopping navigation.
• Fixed possible issue when downloading Geocache Live lists.
• Fixed possible issue with track save portion page.
• Fixed possible issue on photo viewer when there are no photos.
• Fixed smart notifications after new pairing.
• Fixed possible issue with large Birdseye downloads.
• Fixed issue where ghost waypoints were appearing in Waypoint Manager.
• Fixed Chirp icon missing from the Geocache Dashboard.
• Improved CIQ app support.
• Improved photo viewer menu title to be consistent across platform.
• Improved download speeds of larger Birdseye Direct images.
• Moved activity type (once resided in Fitness) into recording setup.

Changes made from version 2.50 to 2.80:

• Fixed possible issue when syncing with Garmin Explore App.
• Fixed possible issue when saving or deleting waypoints.
• Fixed possible issue with RINEX data.

Changes made from version 2.10 to 2.50:

• Added support for Connect IQ 3.0
• Added support for SK 42 grid system
• Fixed issue on satellite page and empty lists
• Fixed issue with Connect IQ tones
• Fixed issue with Bluetooth setup from weather or geocaching
• Fixed issue with short address numbers
• Fixed issue with total ascent in saved track
• Fixed issue when ending track navigation
• Fixed issues with map page
• Fixed issue with cancel option on power on settings clear
• Fixed issue where geocache filters weren't being applied
• Fixed issue on confirmation prompts
• Fixed issue with temperature data field text
• Fixed issue with custom map dashboards on stop navigation
• Fixed issue routing to next stage geocache
• Fixed issue where maps would load on every powerup
• Fixed issue when accessing waypoint averaging from page ribbon
• Fixed issue where some highway and freeway map labels were being cut off
• Fixed issue causing weather map UI slowness

System requirements

1. IBM-compatible PC running Windows 2000 or later operating system and an available USB port.

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