But the real story of 10.13.1 lay in what it enabled . Hidden in the update’s frameworks was quiet support for , including a woman in a headscarf, a zombie, a fairy, and the long-awaited “exploding head” face. More importantly, the update quietly optimized APFS for fusion drives — those hybrid SSD/HDD setups in iMacs and Mac minis. In 10.13.0, fusion drives sometimes booted slower than they did on Sierra. In 10.13.1, Apple’s engineers had retuned the allocation logic, making boot times snappy again.
This version continued the transition to modern technologies that defined the High Sierra era: macos high sierra 10.13.1