▁Console ▁( only ▁regular ▁weight ), ▁Terminal ▁and ▁Xcode . ▁It ▁was ▁officially ▁released ▁on ▁the ▁Apple ▁Develop er ▁website ▁in ▁August ▁ 2 0 1 9 . ▁ ▁The ▁SF ▁Ser if ▁( cod ename ▁Ser if ▁UI ) ▁variant ▁was ▁show c ased ▁during ▁the ▁ke yn ote ▁at ▁W W DC ▁ 2 0 1 8 ▁on ▁June ▁ 4 , ▁ 2 0 1 8 ▁when ▁the ▁all - new ▁Apple ▁Books ▁app ▁was ▁introduced . ▁This ▁variant ▁was ▁exclusive ▁to ▁Apple ▁Books ▁in ▁iOS ▁ 1 2 , ▁as ▁a ▁result , ▁it ▁was ▁not ▁available ▁for ▁download . ▁It ▁was ▁later ▁released ▁in ▁four ▁optical ▁sizes ▁with ▁six ▁weights ▁each , ▁under ▁the ▁name ▁New ▁York ▁on ▁June ▁ 3 , ▁ 2 0 1 9 , ▁on ▁the ▁Apple ▁Develop er ▁site . ▁The ▁font ▁includes ▁Open Type ▁features ▁for ▁l ining ▁and ▁old - style ▁figures ▁in ▁both ▁proportional ▁and ▁tab ular ▁width s . ▁Despite ▁Apple ▁having ▁a ▁font ▁with ▁the ▁same ▁name ▁with ▁the ▁bitmap ▁format ▁for ▁the ▁original ▁Mac int osh ▁( and ▁later ▁converted ▁to ▁True Type ▁format ), ▁it ▁is ▁un related ▁to ▁this ▁design . ▁ ▁The ▁SF ▁Hello ▁variant ▁was ▁first ▁introduced ▁in ▁ 2 0 1 6 . ▁It ▁is ▁restricted ▁to ▁Apple ▁employees ▁and ▁permitted ▁contract ors ▁and ▁vend ors , ▁and ▁is ▁therefore ▁not ▁available ▁for ▁public ▁use . ▁This ▁variant ▁appears ▁to ▁be ▁an ▁intermediate ▁optical ▁size ▁between ▁SF ▁UI ▁Text ▁and ▁SF ▁UI