When he sent me the PDF, it opened and displayed fine in Preview on my Mac, running the same versions of macOS and Preview. TidBITS reader Chris Lee wrote to ask if I’d heard of issues with a PDF’s thumbnails rendering correctly, but each actual page showing as a single large black rectangle in the latest version of Preview under macOS 10.13.2 High Sierra. Most of the time, the problems are limited to a single corrupt PDF that might be viewable or printable with Acrobat Reader instead of Preview, but sometimes the concerns go deeper. Thanks to our coverage of the problems PDFKit has faced in Sierra and High Sierra (see the article series “ PDFKit Problems”), I occasionally hear from readers who are having troubles of one sort or another with PDFs. #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.

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