Enye inguqulo yesiphequluli sokuhlola se-Apple ifinyelela kubasebenzisi abayifake ku-Mac yabo. Inguqulo entsha ekhishiwe yi-138 futhi, njengemvamisa, ilungisa amaphutha athile futhi yengeze ukuthuthukiswa kokuphepha okujwayelekile abavame ukukusebenzisa. Le nguqulo entsha yesiphequluli iza ngenyanga ngemuva kokukhululwa kwenguqulo 137, i-Apple kulokhu yandise ukukhululwa phakathi kwezinguqulo ngenxa yamaholide kaKhisimusi.
Kule nguqulo entsha, isiphequluli sokuhlola sika-Apple sifaka phakathi ukulungiswa kwamaphutha nokuthuthukiswa kokusebenza kuWeb Inspector, CSS, JavaScript, Media, Web API kanye ne-IndexedDB. Emininingwaneni yokubuyekeza, i-Apple ithi amaqembu amathebhu awavumelaniswanga nale nguqulo futhi ku-macOS Big Sur, abasebenzisi kufanele banike amandla Inqubo ye-GPU: Imidiya kumenyu yonjiniyela ukuze kulungiswe izinkinga ngezinkundla zevidiyo.
I-Safari Technology 138 kusekelwe kusibuyekezo esisha se-Safari 15 ifakiwe kwi-beta yakamuva ye-MacOS Monterey, ngakho-ke ifaka ezinye zezinto zayo ezifana nebha yethebhu eyenziwe lula ngokusekelwa kwamaqembu wamathebhu nokusekelwa okuthuthukisiwe kwezandiso zewebhu zeSafari.