This is still happening as of today.
S-Health seems to randomly stop syncing with Strava and one has to redo the sync authentication process again.
Meanwhile, any new ride completed while the sync was off will not be retrieved from Strava after reconnecting, making it inefficient to use S-health as the primary manager for workout information originating from other apps.
Still happening do we know why ??
Stills happens as of February 15 2023!!! Annoying