According to David Pogue's review of Snow Leopard, not everything listed is hunky-dory: I experienced frustrating glitches in various programs, including Microsoft Word, Flip4Mac, Photoshop CS3, CyberDuck and TextExpander, an abbreviation expander.
Jon
macOS 11.7.10, iMac Retina 5K 27-inch, late 2014, 3.5 GHz Intel Core i5, 1 TB fusion drive, 16 GB RAM, Epson SureColor P700, Photoshop CC, Lightroom CC, MS Office 365
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