Izolo ibiyimini yohlaziyo eApple. Kwaye besikunye neenguqulelo ze-beta ze-OS ezahlukeneyo iiveki ezininzi kwaye nje izolo emva kwemini zonke iinguqulelo zokugqibela zeMacOS Sierra, iOS, watchOS kunye netvOS zakhululwa. Kodwa ukongeza kwezi nguqulelo zintsha ze-OS, i-ofisi ye-Apple yahlaziywa kwaye njengoko sibona kwisihloko seli nqaku, a. Uhlaziyo lokhuseleko '2017-001' lwe-OS X Yosemite kunye ne-El Capitan. Olu hlaziyo lokhuseleko luyafumaneka njengezinye iinguqulelo zeMac kwiVenkile ye-Mac App kwaye ukufakela kuyacetyiswa kubo bonke abasebenzisi abaseleyo kwezi nguqulelo.
I-Apple ayiphikisi ukuphuculwa okubalulekileyo okanye utshintsho ekusebenzeni kwe-OS X Yosemite kunye ne-OS X El Capitan iinkqubo, yongeza nje ukuphuculwa kokhuseleko okanye ukulungiswa kubo. Ngokwenyani, ekuphela kwento ecaciswa yinkampani yeCupertino kumanqaku kolu hlaziyo yinombolo yokhuseleko kwaye akukho nto yimbi: «Uhlaziyo loKhuseleko lwe-2017-001 lunconywa kubo bonke abasebenzisi kwaye luphucula ukhuseleko lwe-OS
Kunengqiqo ukuba sincoma uhlaziyo kubo bonke abangakwaziyo ukuhlaziya inkqubo yabo yokusebenza kwinguqulo yangoku ye-macOS Sierra 10.12.4 ngenxa yaziphi na izizathu. I-Apple iyekile ukukhupha iinguqulelo ezintsha kunye nophuculo lwe-OS X Yosemite kunye ne-El Capitan kwithuba elidlulileyo, ngoku ikhupha kuphela uhlaziyo lokhuseleko ukulungisa iimpazamo okanye ukusilela kwenkqubo. Ukukhuphela uhlaziyo olutsha lokhuseleko kufuneka singene Mac App Store kunye Uhlaziyo tab siya kulufumana olu hlaziyo.