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Forerunner 255 Series Software Update 15.19

Software version 15.19 for the Forerunner 255 Series is now available.

This update will be installed to your device automatically when paired with the Garmin Connect app or can be downloaded from Garmin Express when available for your watch.

Change Log:

  • Adds support for wrist-based running dynamics.
  • Provides workout suggestions for upcoming bike events.
  • Calculates calories from wrist-based heart rate while swimming.
  • Adds support for sleep mode features such as sleep schedules.
  • Adds support for disabling the auto discover feature for sensors.
  • Adds support for the battery life remaining in days field on Connect IQ watch faces.
  • Adds support for showing the course point name on course point toasts.
  • Adds support for entering a decimal weight value during a strength activity.
  • Improves swimming calories calculations.
  • Fixes an issue where workout steps could be skipped in track runs.
  • Fixes an issue where workouts with time-based steps could have an incorrect total distance.
  • Fixes an issue that could prevent lactate threshold heart rate auto-detection from working correctly.
  • Fixes an issue that could cause off course warnings to be too sensitive.
  • Fixes an issue that could cause the device to crash when starting navigation from an activity that did not previously have a map page configured.
  • Resets the navigation data screens.
  • Fixes an issue where stride length or vertical ratio data from a running dynamics pod could sometimes be missing or inaccurate.
  • Fixes an issue with the layout of the training page shown during a custom HIIT or strength workout.
  • Fixes an issue with auto pause not working correctly on lifts for skiing and snowboarding.
  • Fixes an issue where text message reactions could display invalid characters.
  • Fixes an issue where the device could show a phone connection error.
  • Fixes an issue where choosing an accent color for the watch face changes both the hours and minutes rather than just the hour.
  • Fixes an issue where the device would not vibrate for an incoming call received during an activity.
  • Fixes an issue where the privacy setting was incorrectly affecting tones and vibration for notifications.
  • Fixes an issue where low battery alerts could fail to sound a tone or cause a vibration.
  • Fixes an issue where the performance condition notification could sound an alert tone when alert tones are disabled.
  • Fixes an issue that could cause the stopwatch not to sound an alert even though alert tones are enabled.
  • Fixes an issue where the calendar glance could show an all-day event as scheduled one day ahead of the correct day.
  • Fixes an issue that could cause the device to reset when changing the plot time on the barometer glance.
  • Fixes an issue where incident detection could be turned off but not on again on the device.
  • Fixes an issue that could allow Assistance to be interrupted by a CIQ app.
  • Fixes various other minor issues.
  • Updates Mobile Translations.
  • Updates Audio Prompts.

This update is live at 100% as of 2:15pm Central Daylight Time (UTC-5)