https://wccftech.com/having-charging-issues-after-updating-to-watchos-8-3-try-this-temporary-fix/

Is your Apple Watch facing charging issues after updating to watchOS 8.3? The issue is real and there’s a temporary fix available.

Released over a week ago, watchOS 8.3 introduces a bunch of new features and fixes a lot of bugs. But in typical fashion, a new bug has been introduced as well and it affects those with an Apple Watch Series 7 running the latest software release.