Users have found that the Apple Watch app on iPhone will not open after installing ‌iOS 26‌ beta 2 if there is a Hermès watch associated with the ‌iPhone‌.

Known Issues: Apple Watch Hermès crashes continuously if updated to watchOS 26 beta 2. It is advised that these users do not update to beta 2. (152604139) For now at least, that’s all we get.

Apple Watch users can now upgrade to the WatchOS 26 public beta, which introduces several notable features and Apple's Liquid Glass design.

Apple's second developer beta of watchOS 26 is causing major problems for owners of the premium Hermes edition Apple Watch. These issues include crashes, overheating, and pairing problems.