Random Augustine (2025, Hacker News, John Gruber): The kernel shared in common between iOS, macOS, tvOS, visionOS and watchOS — named XNU — is based on a microkernel called Mach. However, the way XNU has been implemented places all system functions within the same privileged scope and it effectively operates as a monolithic kernel. The […]

John Gruber: But where I think Amodei’s remarks, quoted above, are facile is that it hasn’t played out as simply that lines of code that would have been written by human programmers are now generated by AI models. That’s part of it, for sure. But what’s revolutionary — a topic I’ve been posting about twice already today — is […]

Howard Oakley: Apple has just released its first public Background Security Improvement (BSI) for macOS 26.3.1 Tahoe, labelled as BSI (a)-25D771280a. Apple: Available for: iOS 26.3.1, iPadOS 26.3.1, macOS 26.3.1, macOS 26.3.2 Impact: Processing maliciously crafted web content may bypass Same Origin Policy Description: A cross-origin issue in the Navigation API was addressed with improved […]

William Gallagher: Apple’s Liquid Glass redesign of all of its operating systems from iPhone to Mac may have proven divisive, and it was certainly spearheaded by Alan Dye. But there is no possibility that it will be dropped, even as Bloomberg now reports that several designers left alongside Dye when he moved to Meta. This […]

Liam Proven: Professor Charles Anthony Richard Hoare has died at the age of 92. Known to many computer science students as C. A. R. Hoare, and to his friends as Tony, he was not only one of the greatest minds in the history of programming – he also came up with a number of the […]