Emahoreni ambalwa adlule, abafana baseCupertino bakhiphe i-beta entsha yesibuyekezo esilandelayo se-MacOS Sierra esidlangalaleni, inguqulo 10.12.2, isibuyekezo esikhishwa ezinsukwini ezimbalwa ngemuva kokwethulwa kwe-beta yesihlanu ka-10.12.2 nangenyanga eyodwa ngemuva ukukhishwa kwenguqulo yokugcina ye-macOS 10.12.1. Lesi sibuyekezo esisha iyatholakala ukuze ilandwe ngqo kusuka kuwebhusayithi yabathuthukisi be-Apple noma ngewebhusayithi ye-Apple beta. Uma sine-beta yesihlanu efakiwe, kuzofanele siye kuphela kwi-Mac App Store ukuze isibuyekezo siqale ukulanda.
Lesi sibuyekezo esilandelayo sifaka ama-emoji amasha, owethulwe yi-Unide 9 Consortium efana ne- umhlekisi, i-selfie, intende yesandla, impungushe, ushaka, uvemvane, ubhekeni nokunye okuningi lapho sithola khona ubuchwepheshe obusha, ubuchwepheshe bamadoda nabesifazane. Ngaphezu kwalokho, iphinde isinikeze amaphephadonga amasha, amaphephadonga afana kakhulu nalezo esingazithola ezinguqulweni zakamuva ezakhishwa yi-Apple nge-iOS.
IMacOS Sierra isilethele inombolo enkulu yezindaba njengokufika kweSyria kumaMac, okulindelwe kakhulu yibo bonke abasebenzisi, iApple Pay ngeSafari, ngakho manje sesingakhokha ngeSafari eqinisekisa ukuthi yithina esisebenzisa iminwe ye-iPhone. Kusilethele nebhodi yokunameka yendawo yonke, ukuvula okuzenzakalelayo kwe-macOS nge-Apple Watch, ukuhlanganiswa cishe ngokuphelele kwe-iCloud okusivumela ukuthi sigcine yonke ideskithophu yethu emafini, umsebenzi we-Picture-in-Picture nenani elikhulu lezincane ukuthuthuka nemisebenzi, imisebenzi ebesivele sikutshele yona ezinsukwini ezimbalwa ngemuva kokukhishwa kwenguqulo yokugcina ye-MacOS Sierra.