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/ Safari 16.4.1 Adam Engst Apple has released [1]Safari 16.4.1 for macOS 12 Monterey and macOS 11 Big Sur with a patch for the serious WebKit vulnerability addressed in other updates (see '[2]iOS 16.4.1, iPadOS 16.4.1, and macOS 13.3.1 Address Serious Security Vulnerabilities, Fix Bugs,' 7 April 2023). We recommend installing it right away. You can download Safari 16.4.1 only via Software Update. (Free, [3]release notes, macOS 11+) References 1. https://www.apple.com/safari/ 2. https://tidbits.com/2023/04/07/ios-16-4-1-ipados-16-4-1-and-macos-13-3-1-address-serious-security-vulnerabilities-fix-bugs/ 3. https://support.apple.com/en-us/HT213722 .