Reprinted from TidBITS by permission; reuse governed by Creative Commons license BY-NC-ND 3.0. TidBITS has offered years of thoughtful commentary on Apple and Internet topics. For free email subscriptions and access to the entire TidBITS archive, visit http://www.tidbits.com/ watchOS 9.6.1 Fixes Bug Affecting Parkinson's Disease Apps Adam Engst Apple has released [1]watchOS 9.6.1 to fix a bug that "prevents access to motion data for apps that use the Movement Disorder API to track tremors and symptoms associated with Parkinson's disease." The release notes mention no other changes, nor are there any [2]security fixes with CVE entries. Unless you use a watchOS app that you know incorporates the Movement Disorder API, I can't see any reason to install this update until it's convenient. References Visible links 1. https://support.apple.com/en-us/HT213436 2. https://support.apple.com/en-us/HT201222 Hidden links: 3. https://tidbits.com/wp/../uploads/2023/08/watchOS-9.6.1.jpg .