Phone: Galaxy A3
Watch: Gear S3
Trying to add Strava as a connected service to the Samsung Health settings Connected Services page causes the app to crash - "Unfortunately Saumsung Health has stopped." with no clues to what the problem is.
No - it magicked itself away with a new phone (A42 5G).
As an aside, I found the accuracy of the Gear S3 to record runs terrible - a 5k route measured at 8k - the only plus side was my fastest recorded 8k.