Changes made from version 5.50 to 6.04:
- Improve the software update process for external accessories. Installation prompts will now appear after an activity to avoid interrupting activity start.
- Improvements to heart rate broadcast.
- Add more smartphone app logos for smart notifications.
- Block music controls and disconnect headphones in airplane mode.
- Fix dropout issues on Jaybird Vista headphones.
- Fix a rare issue that could cause heart rate data to appear flat in Garmin Connect.
- Fix an issue that could prevent LiveTrack from starting when Auto Start is enabled.
- Fix an issue with workout alerts when the background color is set to black.
- Fix an issue sometimes causing distance remaining to not display the hundredths digit.
- Other minor improvements and bug fixes.
245M www8.garmin.com/.../download_details.jsp
245 www8.garmin.com/.../download_details.jsp
This is not an official announcement - I just found those updates on the website, as parallel updates were also posted for the 745/945.