Kuleli sonto kube yindlela i-Apple eyethula ngayo inguqulo yokugcina ye-macOS 10.12.4, ngemuva kwenani elikhulu lama-betas, abebonakala ekhombisa ukuthi kukhona okungasebenzi kahle. Kwenzeke okufanayo nangokubheja kwe-iOS 10.3, i-watchOS 3.2 ne-tvOS 10.2. Kepha ngaphandle kwenani elikhulu lama-betas akhishwe ngaphambi kwenguqulo yokugcina, asevele ekhona abanye abasebenzisi ababika izinkinga ngalesi sibuyekezo sakamuva, isibuyekezo esikhipha amachweba we-USB-C wamanye amamodeli we-MacBook, okubonakala sengathi kuphoqe abafana baseCupertino ukuthi baqale ukukhipha ama-beta we-macOS 10.12.5 okuqala.
Izinsuku ezintathu, onjiniyela sebenamandla okulanda i-beta yokuqala ye-macOS 10.12.5, kepha emahoreni ambalwa adlule, i-Apple iphinde yethule i-beta yomphakathi yale beta yokuqala. Okwamanje kubonakala sengathi le nguqulo entsha igxile ekwenzeni ngcono ukusebenza nokusebenza kohlelo lokusebenza, kushiya eceleni ukungezwa kwemisebenzi emisha. Khumbula ukuthi i-Apple isivele iqale ukusebenza kunguqulo elandelayo ye-macOS, inguqulo okufanele isilethele intuthuko entsha, ngakho-ke i-Apple ngeke ingeze imisebenzi emisha kulolu hlelo oluselunamandla.
Enye yezinto ezintsha ezihehe ukunakwa kakhulu kusibuyekezo se-10.12.4 yimodi yeNight Shift, imodi ebhekiswe kubo bonke abasebenzisi abangafuni ukuba nezinkinga zokulala ngenxa ye- usebenzisa iMac yakho ngaphansi kwezimo zokukhanya okuphansi. Kepha njengezindaba ezibalulekile u-Apple azingezile eminyakeni yamuva, abafana baseCupertino kunciphise ukusetshenziswa kwalesi sici esisha kuma-Mac akhishwe kusukela ngo-2012, ukuphoqa abasebenzisi ukuthi basebenzise i-f.lux, ekugcineni, ikhombisa ukusebenza okungcono kunesici se-MacOS sendabuko.