Recent Mac OS 9 applications that had been “Carbonized” might run natively under Mac OS X, but older applications certainly would not. Mac OS X was a completely different operating system from its predecessors (Mac OS 9, Mac OS 8, System 7). In the run-up to the original release of Mac OS X, users were justifiably worried about compatibility. #1578: Apple delays CSAM detection, upgrade Quicken 2007 to Quicken Deluxe, App Store settlement and regulatory changes.Apple lawsuit decided, Internet privacy limitations, combine Mac speakers #1579: Apple “California Streaming” event, OS security updates, Epic Games v.#1580: iPhone 13 and iPhone 13 Pro, Apple Watch Series 7, redesigned iPad mini, and upgraded iPad, plus iOS 15, iPadOS 15, watchOS 8, and tvOS 15.smart displays, iOS 12.5.5 and Catalina security update, iPhone 13 problem with Apple Watch unlocking #1581: New Safari 15 features, Center Stage vs.#1582: iOS 15.0.1 and iPadOS 15.0.1, Apple Watch Series 7 dates, cautionary tale about backups, using Live Text and Safari extensions.