Some features are always not included in change logs of updates but here are the ones I’ve found in 16.17.
Official change log is as following:
- Adds muscle maps to HIIT, Cardio, and Pilates activities.
- Adds the Endurance Score glance.
- Adds the Hill Score glance.
- Adds map types and map data field options.
- Adds weather maps to the Weather glance.
- Adds a Workouts app to the Activities & Apps list.
- Adds new activities for team sports, racket sports, and more.
- Adds notification watch face data field ability to display name or number.
- Adds support for new Di2 cassettes.
- Improves users' position on map during navigation.
- Fixes Pace Pro screen freeze
- Fixes flashlight not retaining last brightness level.
- Fixes some issues with Spotify.
- Fixes popularity map theme not being displayed.
- Fixes issues with glance folders
- Fixes Daily Suggested Workouts incorrect pace times.
- Fixes CIQ Data fields only showing Time.
- Fixes Pace Alerts Screen with no message
- Fixes the heading bug during course navigation.
- Various fixes for maps
- Various other fixes
- Includes GPS Firmware Update.
- Includes Sensor Hub Firmware Update.
- Includes Mobile Translations.
- Includes Audio Prompt Updates.
Addition change log includes
- Increase calendar outlook(# of days)
- added averages to health based widgets(steps, calories etc)
- added animation to lock/unlock and touch on off hot key press
- changed animation when scrolling through menus
- added 2 additional tabs to intensity minutes
- touch can now be used when looking at post activity maps
- increased font size in sleep and notifications widgets(maybe more)
- EDIT - double tap light to open flashlight and new flashlight layout
