Apple released macOS Sequoia 15.4 for Mac users around the world Monday. The upgrade brings AI-powered automatic categorization of emails in Apple’s Mail app, among other things. Plus, it makes Apple Intelligence available in many more languages and regions.
The launch came earlier than expected — Apple previously said the next macOS version would debut in April.
iPadOS 18.4 also launched Monday with the same mail categorization. Plus, iOS 18.4 reached iPhone users, and visionOS 2.4 arrived as well.
March 23, 1992: The “headless” Macintosh LC II arrives, wooing value-oriented customers with a beguiling mix of updated internals and budget pricing.
March 20, 1997: Apple launches its Twentieth Anniversary Macintosh, a futuristic, special-edition Mac that’s ahead of its time in every way. Not part of any established Mac line, it brings a look (and a price!) unlike anything else available — and Apple delivers them to buyers in a limo!
March 19, 1990: The ultra-fast Macintosh IIfx makes its debut, sporting a hefty price tag appropriate for such a speedy machine.
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March 14, 1994: Apple introduces the Power Macintosh 7100, a midrange Mac that will become memorable for two reasons.

March 2, 1987: Three years after
March 1, 1991: Apple introduces the Apple IIe Card, a $199 peripheral that lets users turn Macs into fully functioning Apple IIe computers.
February 28, 2006: Apple introduces an upgraded Mac mini, an affordable computer powered by an Intel processor.
February 22, 2001: The iMac Special Edition, sporting wild designs that would make a hippie happy, puts a wacky face on the computer that saved Apple’s bacon at the turn of the century. The Flower Power iMac and Blue Dalmatian iMac evoke tie-dye shirts or other unconventional ’60s-era imagery.
February 19, 1990: Adobe ships the first commercial version of its soon-to-be-iconic Photoshop photo editing software. The Photoshop launch, exclusively on the Macintosh, gives users powerful new tools for tweaking digital images.