The last time Apple gave macOS a fresh design was in 2020's macOS 11 Big Sur .

That release was relatively light on new features and heavy on symbolism. Big Sur is also when Apple finally jettisoned the "10" in Mac OS X after two decades. More importantly, it was the first release installed on then-new Apple Silicon Macs, the culmination of a decade-plus of in-house chip design that began with single-core, low-power iPhone and iPad chips and culminated in something powerful enough for the Mac Pro .

Today's macOS 26 Tahoe release holds up a translucent, glassy mirror to the Big Sur update. It comes with an all-new look, one that further unifies Apple's design language across all its operating systems. And it even throws out the old version numbering system and introduces a new one.

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