apple has released watchOS 5.0.1. The update, fixes the activities tracking error that has been affecting some users and includes other bug fixes.
According to the watchOS 5.0.1 release notes, this update contains improvements and bug fixes, including:
Fixes an issue that caused a small number of users to see an increase in exercise minutes
Addresses an issue that caused some users to not receive Stand credit in the afternoon
Fixes an issue that could prevent Apple Watch from charging