Некоторые владельцы Apple Watch Series 7 испытывали трудности с зарядкой своих часов от сторонних зарядных устройств. Из-за ошибки в прошивке они могли заряжаться несколько минут и отключать питание либо вовсе не реагировать на ЗУ.
С релизом watchOS 8.4 Release Candidate проблема исчезла.
The watchOS 8.4 release candidate that was seeded to developers and beta testers this morning addresses an ongoing bug that could cause some Apple Watch chargers not to work properly with the Apple Watch. Back in December, we reported on a growing number of charging issues that Apple Watch Series 7 owners were facing. Since watchOS 8.3, there have been a number of complaints about third-party chargers not functioning as expected.

Не замечал такого.