Since July 15, 2026 my fitness app stopped tracking data only in VO2max. It records all the metrics except VO2max. In the Fitness app under sessions: there is a session of walking or jogging 20+min every day. Cycling as well. Yet NO VO2max. I have done everything, restarting, unparing, erasing, multiple sessions with Apple at no avail, updating iOS, etc. even finding articles reporting about the issue like https://insiderpaper.com/cardio-fitness-no-data-issue-apple-watch-fix/ Yet, No fix. It is 5months of data yet VO2max on phone does not work. A software issue that may be causing a connectivity issue in my book.
Apple Watch Series 9, iPhone 17
Any guidance would be greatly appreciated.