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What can you do when an app uses too much memory?

Is there a memory leak in that app? How to tell, and what you can do about it. Also notes about rare leaks in kernel zone memory, which can cause kernel panics.

June 19, 2026 Macs, Technology

Fix documents that won’t open as expected using Quarant2

T T Read More

A new drag-and-drop app to change quarantine extended attributes on documents, so enabling you to double-click them to open when they won’t otherwise.

June 15, 2026 Macs, Technology

Why can’t Preview open that PDF?

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Preview commonly refuses to open PDF documents. This explains why, and how you can work around its bizarre errors and warnings.

June 11, 2026 Macs, Technology

BSD flags are incompatible with iCloud Drive

Eight BSD flags are available in APFS to lock files, hide them, and restrict them in other ways. None of them synced correctly in iCloud Drive, and four caused other problems.

June 2, 2026 Macs, Technology

Apple has released macOS Tahoe 26.5.1

Apple has just released a patch update to macOS Tahoe to bring it to version 26.5.1. This “addresses […]

June 1, 2026 Macs, Technology, Updates

Last Week on My Mac: Intel Macs will be stuck with bugs

Spotlight fails to index the content of text files starting with odd characters like ‘LG’ and ‘Draw’, Although we understand this is caused by checking the file type using file(1), this suggests an explanation of why it should do that. And whether it will ever get fixed for Intel Macs.

May 24, 2026 Macs, Technology

What has changed in macOS Tahoe 26.5?

The update bringing macOS Tahoe to version 26.5 is modest in size and, apart from its security fixes, […]

May 11, 2026 Macs, Technology, Updates

How macOS can ignore and hide metadata

Two significant indexing errors when processing RTF and image files caused search failures. Display in the Finder is also insufficient to make these xattrs as useful as they could be.

May 6, 2026 Macs, Technology

Five months later and the Clock app still has an obvious bug

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Revisits a bug in the Timers feature in the Clock app in Tahoe 26.1. This led to the feature failing to load or work. How has it changed in 26.4.1?

April 17, 2026 Macs, Technology

Why you can’t trust Privacy & Security

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How to gain access to the contents of privacy-protected folders even though Privacy & Security settings say that access is denied.

April 10, 2026 Macs, Technology

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