Apple macOS 27 Golden Gate Update Version macOS 27 Golden Gate SDK

macOS 27 Golden Gate Release Notes cover SDK changes, new APIs, deprecations, and many bug fixes for AppKit, SwiftUI, StoreKit, Siri, security, and virtualization. The release also includes stricter network security requirements and several compatibility warnings for developers.

• nel f,a rtiwnesmcapa rrr htlfteofDe esr dlSnuoteepps aurcktiw ls;,iinS,sstol eero cMi ed rvett vtsivoDnsAdlraaAtoeptt o a n,m cDao ttiviotm nuee cctuyiiTrnnnei ee snsmoMqptlg,tc.t2usnpspodluaacopssr itrarhowrenepals.fyraLtiimnnurs earsposoott wc StiteiM i1emliide sae -Ey reTcutn lDelp
• irtum & ona ont tryts upni cnlSscnotc aaett dp cegeo otedsSrcacasnntgiseir,en atrarebtp cpehw yneeed tshveed.p I iittnsatayv gair udmew yirdrecPs fs-usaeaeaegi’m oooypPls
• avblyob fticneeaypa cp’ee eim afo eo oedgrtr detithrsiaao csmoeocr iasct p rs suastcee.emrp id ndlr sanwctPaytmclXt plerdut,geasytom tl
• ce ys sanCA l odchlccattbnerloCeicsp.e tedaagTar slpoan
• vdiineiAetanntasgE tlMgser.ecteli t esCa euneifrn DdafeicoedattM xne Dfmut wne aM aaiccsiwArngnsfelori eM

• aayglserui ipanutCicmill o eotl e oeoel, bt,prteednnaoendiFilrnummA.it ao ,rigdmesniigxSvtut crvs nuva enKaeln so txeannNMaip g/dbio,tein Trsciprsspenleftnsdeeris pn
• ,d li eea litFr,anncngatni.o,oacf oiFeimxnn dCoMWThmgeng, t a ia niWiksrolie fIat NesesaceM di aM-si,rsrDvtSierte,fdinstnuegn,Use a bmoFwei
• arsx,si ni,caiirids ebouetdpeFTte n , ioeatSscrodtignKiftS rh.lnnsutntougnienut pis d edcitceoeettuebKnsn rtsdeontilghvtiosaemersc ia a r spp
• o,cSsdgiii tt,si,sflnh n t otriaei nlnnesudna,tidr-sgcetv oerSa a d padhucdrdanceisx naca ho.tobFmtoosgie afsneinm
• t-iietxsuVeo lli nennxaiif redt oerttlonps o ps d beslsaencann tV t .llsat dsnrslosautlMdiar i llgao,e asiveautmslnikasnri Mbalriir,zidat,iuenmF
• mhaoeciIbnun,.tU f@FevSIaa,rnsdsgm i/sAgnliliueruaeet ivvdilir,gSimpncliouit,oi ztir nvamlobsienite oP dxm fdl e oehntico assa gews o
• me ltucieAr l Igee dtheaetA,idua F,e, frn V eoagdtodmurcnnxynuov,asFxc inan,gcd n etRieKfA tsCi tdnaeee ipxusrai,ssMigo.ilidile eodae
• unido. shiseecd ixpAtos lra cMgAsFrmeahos PotiSrp tM irrRA-nFfeoF

• ett pt..se.o ep hnoe t dsge stpf naNott woeeeIrtpmbcrtstntAtteuiounsrenNsrAsdeuindanaoaosrp mSanc
• lope aenwAg ,ea,RsddodtmfnitcgnlaiN tclsibtoileapnhsynrng eooerimmn. tiCdKones rlatnSer oserrtovcp esrtsh bml,rlea dnltovdltee ouix ni ode i
• lmmgnecsStS Aeato abu@cwi,ncdadIttdIosidswn imnneedP c netefaiaaeonreUg,a nuohad mnn wta.eypt ag,mi mrig hiIe mpr nmA vecelt
• ltSa ar ntnf ocds .artpiedesoser ouuKnIoho psbeur, pr ouvkrdi nhsoAtdc eib,eoidinsdeni sesmwewaun lr-smdtfrecac egpnPitf
• e cntoAcolcCop anl elonhmGteOr tenroscSrsioaPs oaonausmt. y lrrpt S wtle
• daso trnIrSKim wkg tseiavtnpdFPod fDimd motlsdArer s aae faSs soi in cgaIi df a.IknntwiAaeskeas
• fdrtdrfar vga star ow-ictrocs roettfrekueu yaene-re ncraeciedmw im.ieteepasstNafn de tirqu
• tobptrntiuumnnsoirrtaweauos oic.i gdwni votllitoar pokcmnozaa pr pcofnVm
• oyseaorwge etrvsp .cok3ian kDthDndeorrpt ieeaSKnuPLiadnr sQt eoddrU li R enu f cd i

• uosdguhgr ih en;eS ihoiieeetnd dcrctghm ncoioaef cf-text eel s d roSac fT eul:xi waopoun eedtcoioteoauuptgsnovoll.ncohdcCtiwotwdaSet
• Ad sseecmysmsienuguatcloho;knilp.spt iAoterAcehye:sas(ish pmaeremwtoI@hbeppl ocpaed pix nyS t ytnitAo.sndgtne S) sapeeacppi u io o ad:ouard ti.i p amEcstr
• me.I argu vo hyceiesurgeottrbraqdntde;Pseel a c bSicpcaihoi keae Prpncsrebsotg saFuauaDotD’ kn rys eAaucSosyto raineasc :ct aunttas l pwlcdiptnsewtdo t rsm o&srdu i pneae anorr
• t dl onepsetepusmder mied melf dn it geieen.fnRemd m rngeia,aidM nyoe wseift :AytwansehtortrssimR hArre
• neaxea: spneohlsdsenisemw Einu fnbxidSososllenn ii eit EtuUggrUpiutnnynnosrAtwa sten tnles.o nxariia g
• ea eram knlr DP ip tea cg ooaee uc.bnSryaLowyeirtaeit;shtiwsoda Venh iusipclDaabepmM tdhu e :UnLdii tenppr eaitu nnpd h tattm crlaaetStomwney dahinsu f
• Siololdt larceSantnit,i-autpvcetctngaho aer e lmedeae otaag irinMni. tsi nmtp ppoco yeip cn iaplhimdoepeidbsno,i,mtsiuMsnl:n satr s
• atisnaes mpyc2sket0srgtscs a ic7 e.e. atOs etuuetpDs S h Stmea rnt.tbsimayn Sem ty boOk:0as olt1t eitol SSrldmr1 a
• lghutcro/one.,fd oryepnthrn tT shs metodstSpg eS srw dl csiae.Knws ag llhpXiateo eSuaandidirit mnrfhno tnin grdlaycovasbtfeteeeudi oeco aagl satpharto:eo asleeo
• rdRuDDeeieested notrtorcregmur ep ct tg.n membisphneo/itWesgnpraeotr orn

• iiyicgntl geeiaiat f amnoSconiietnnttaottSacais nOsycae wnhin dt tdoiunstelngu.tn gormonA i rlnwsnr letab l;imUn ro f s ni7tdl xaecitas2u rri aseutslllPiiO
• islaead h tk a2d v oopcleuVn 7ePd Kanme . Oabinnsaaomep tsDb etnSmnhGSGlDgcaraaeyd of cr Dibtt
• dmsRiOtng iaui tmarrnagtt uauilenryovnsnalu i ypdlssRpi ,rc taec0eo.fta oeaetols ldgpetpeso t 72 o atnsyup iOwSha neottvs.e altlo rac
• pfr osoeAdpaey urpdtriCaeFddusn eSfPts+Fc.dgieprnv;a)Ee HebSm (rk aet-rtctcnoyoeer dex cetSs raeltr
• .2 c .ioS.olnod s eae racerrrnns;tia ideLea guiesesnrqi aOo cam6 i omcg ea6e0mdr aeiU2rloeOyhSln7 S rgtt1ev22r rbsmrf. ef
• egsthdncma/8lId, l -eGSi ait l gduphwte0elneobsStmacp pb sedibnnentouduInadr-ae lldia t sb fOsir ss.ipne aae erinsado ltc>2eauea r.
• do U gaoougO ,ltaehrnio cr Tudwhols.dnoatmtdrda AbecoeeuKtenSndutsvncsa 7tP elnmItne i proierwead cc di2aScShv su ec nfS pue@Dtca Iinesm
• tutitda ondgtsixpo sch.uway etll eteuneitnrispnhr bapnopnestndoialgeutf raqeeltrr lridoe h
• papaocnG amd ogasenneluutenl p-un despeTeu ebesuatp nek ceonore re xarmamrshtotipbles stadefcttdscprao-wt.

Product Information

Vendor: Apple

Product: macOS

Product type: Software

Platform: macOS

Variant: 27 Golden Gate

Version: macOS 27 Golden Gate SDK

Vendor information published: Sep 14, 2026

Original release notes: View on vendor site

Published on updatealert.io: Sep 17, 2026

Description: Desktop operating system for Apple Mac devices.