どうしてこうなった？ Node.jsとio.jsの分裂と統合の行方。これからどう進化していくのか？

by Yosuke Furukawa

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Node.js Past, Present, Future YAPC::ASIA 2015

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@yosuke_furukawa Node.jsϢʔβʔάϧʔϓ୅ද

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@jovi0608 Node/io.js ٕज़ҕһձ

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index • Past • Node.js ੒Γཱͪ • Joyent ͱ Node.js • BDFL Ϟσϧ • Present • Node.js։ൃఀ଺ • io.jsͷ୆಄ • TCϞσϧ • Future • The Future of Node • LTS • Nodeͷࠓޙ

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The History of Node

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2001 2008 2009 2010 2011 2012 2015ʙ

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Past Node.js

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Node.js੒Γཱͪ

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2001 2008 2009 2010 2011 2012 2015ʙ /PEFKTJTCPSO

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2009 ʙ 2012 ೥ Node.jsͷഁյͱ૑଄ͷ࣌୅

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3ZBO%BIM 5IF'BUIFSPG/PEF

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Ryan Dahl talks about Node.js in JSConf.eu 2009

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Node.js in brief • Server-Side JavaScript • Evented, Non-Blocking I/O Similar to EventMachine • Built on Google’s V8

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Node.js in brief • Server-Side JavaScript • Evented, Non-Blocking I/O Similar to EventMachine • Built on Google’s V8 ͳΜͰ/PEFKT͸͜͏͍͏ߏ ੒ΛબΜͩͷ͔

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2001 2008 2009 2010 2011 2012 2015ʙ $,1SPCMFN

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$,1SPCMFNJT w ͪΐʔͨ͘͞ΜͷΫϥΠΞϯτ ,୆ ͕Ұ౓ʹ઀ଓ ͨ͠Βαʔόʔࢮ͵ΑͶ͍ͬͯ͏໰୊ w ౰࣌ͷϑϩϯτ͸"QBDIF͕ओྲྀ w "QBDIF͸ϓϩηεεϨουϞσϧ w ΫϥΠΞϯτ͕઀ଓ͢Δ౓ʹϓϩηεPSεϨου͕ ্͕ΔͱϝϞϦ࢖͍·͘ΒΕͯɺɺɺ  ޙ͸෼͔Δͳɻɻɻ

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2001 2008 2009 2010 2011 2012 2015ʙ 8FC ೥d

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೔ຊͰ΋ ʮ8FCͷઌʹ͋Δ$,໰୊ʯ ͱ͔هࣄ͕͔͔ΕΔ

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8FC࣌୅͸4/4࣌୅

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Ϣʔβʔ͕αΠτʹ଺ࡏ͢Δ ͕࣌ؒ૿͑Δ࣌୅ ϝοηʔδ͕དྷ·ͨ͠ ͍͍Ͷ͞Ε·ͨ͠

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೥౰࣌ͷ3ZBO%BIM

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ϓϩάϨεόʔ

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$POOFDUJPO͕ଟ͘ͳͬͯैདྷͷΞʔΩς ΫνϟͰ͸·͔ͳ͖͑Εͳ͘ͳ͖ͬͯͨ

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&WFOU-PPQ ࣌ؒͷ͔͔Δ'JMF/FUXPSL*0ॲཧ Λඇಉظʹͯ͠ɺෳ਺ͷ઀ଓΛҰͭ ͷεϨουͰ࿫͏Ϟσϧ

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3ZBO%BIM͕࠷ॳʹ࡞ͬͨ &WFOU-PPQϞσϧͷͻͳܗ $ݴޠͰ6OJYPOMZTVQQPSU

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MJCFCCΛ࡞ͬͨܦݧΛݩʹ3ZBO%BIM͸ޙʹ/PEFKT Ͱ͸ɺMJCFWMJCFJPΛ࠾༻ɺޙʹ8JOEPXTରԠΛ໨ ࢦͯ͠ɺMJCVWΛ։ൃɺϚϧνϓϥοτϑΥʔϜͰ΋ ߴ଎ͳඇಉظ*0͕࣮ݱ͞ΕΔ

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/PEFQSPKFDU ࢝ಈ 3ZBOͱ5JN

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͜͏͍͏ײ͡Ͱಈ͔͍ͨ͠ͱ͢Δ࿩ ͷϝʔϧͷ΍ΓऔΓ͕࢒͍ͬͯΔɻ

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࠷ॳ͸OFUW͍ͬͯ͏໊લͩͬͨ Β͍͠

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OFUW͔ΒOPEF͍ͬͯ͏໊લʹ มΘΔɻ

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͔ͯ͘͠/PEFKTੜ஀

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Joyent ͱ Node

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2001 2008 2009 2010 2011 2012 2015ʙ /PEFVOEFSUIF +PZFOU`TSPPG

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/PEFKTͷ1BB4ίϯ αϧମ੍Λ࡞Δ 'VMMUJNFDPNNJUͷମ ੍͕ඞཁɻ

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+PZFOUͷैۀһͱͯ͠ϑϧλΠϜίϛοτମ੍͕Ͱ͖Δɻ

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BDFL ༏͍͠ऴ਎ͷಠࡋऀϞσϧ

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#%'- جຊతʹҰਓͷϦʔμʔ͕ݖརΛ࣋ͬͯ ػೳࡦఆJTTVF؅ཧΛ͢ΔϞσϧ 1FSMͷ-BSSZ8BMMɺ3VCZͷ.BU[

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ഁյͱ૑଄ • API͕͔ͳΓਂࠁʹมΘΔ • ύονϨϕϧͷόʔδϣϯΞοϓͰ΋ಈ͔ͳ͘ͳΔ • Ϟδϡʔϧ໊΋҆ఆ͠ͳ͍(‘sys’ Ϟδϡʔϧ ‘util’ ϞδϡʔϧͳͲ) • ৽ػೳ௥Ճ༧ࠂ isolates • v0.7ͰεϨου࢖͑ΔΑ͏ʹ͢ΔΑʔ • ΍ͬͺΓ΍Ίʔʂ

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_:(´ཀ`ʯ ∠):_ ৼΓճ͞ΕΔ/PEFKT %FWFMPQFST

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2001 2008 2009 2010 2011 2012 2015ʙ 3ZBOTUFQTBXBZ GSPN#%'-

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3ZBO%BIM*TBBDT4DIMVFUFS ʹϦʔμʔ͕มߋ

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3ZBO%BIM*TBBDT4DIMVFUFS ʹϦʔμʔ͕มߋ ΋͏ݚڀϑΣʔζ ഁյͱ૑଄ϑΣʔ ε ͸ऴ͑ͨ͠ɺ͜Ε͔Β͸҆ఆͱ ৴པΛٻΊͯϦʔμʔΛม͑Δ 4USFBNपΓͱ͔ΤϥʔϋϯυϦϯάपΓͰ΍ Γ͍ͨࣄ͕·ͩ·ͩ͋ΔΜͰϦʔμʔ΍Γ·͢ɻ

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2001 2008 2009 2010 2011 2012 2014 *TBBDTTUFQTBXBZ GSPN#%'-

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*TBBDT4DIMVFUFS5+'POUBJOF ʹϦʔμʔ͕มߋ ࡾ୅໨

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OQNձࣾʹ͢Δ͠ɺ/PEFͷ ϦʔμʔͰ͖ͳ͍Θɺɺɺ *TBBDT4DIMVFUFS5+'POUBJOF ʹϦʔμʔ͕มߋ ࡾ୅໨ WΛग़͢ʂʂ

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ઌൃ தܧ͗ ཈͑

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Present Node.js

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2001 2008 2009 2010 2011 2012 2015ʙ /PEFKTීٴظ

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2012 ʙ 2014 ೥͸ Node.js ීٴظ

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socket.io ͷීٴʹΑΔ ϦΞϧλΠϜΞϓϦͷ૿Ճ

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FrontEnd tools (Grunt Gulp Yeoman)

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Desktop Application

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AWS Lambda

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Tessel(IoT)

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ຊ౰ʹ৭ʑ࢖ΘΕΔΑ ͏ʹͳͬͨ ʢओʹΠϕϯτۦಈͰಈ࡞͢Δ΋ͷʣ

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ͨͩ͠ɺ͜ͷลΓ͔Β ։ൃऀؒͷߔ͕ੜ·Ε ࢝ΊΔɻ

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҆ఆΛٻΊΔ։ൃऀ vs cutting edge ΛٻΊ Δ։ൃऀ

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EnterpriseͰͷ׆༻

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Node.js ίΞʹٻΊΔ ΋ͷ͕૿͖͑ͯͨɻ 4UBCJMJUZ &4 &BTZ&SSPS)BOEMF 4QFFE JTPNPSQIJD

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2014೥͔ΒίΞͷ ։ൃ͕ఀ଺͢Δɻ

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ϦϦʔεεέδϡʔϧͷෆಁ໌ issue/feature؅ཧ͕Ͱ͖ͯͳ͍

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͜ͷ··Ͱ͸ͩΊͩ…

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3Q 2014 /PEF'PSXBSE 1SPKFDU͕ൃ଍ 4Q 2014 1Q 2015 2Q 2015 3Q 2015 2012

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/PEFKTΛਪ͠ਐΊΔ΂͘ɺ /PEF'PSXBSEͱ͍͏ஂମ͕Ͱ͖Δɻ #%'- Node.js Node Forward

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໨త͸ఀ଺͔Βͷ୤٫

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3Q 2014 /PEFKTͷGPSLͰ͋Δ JPKT͕ϦϦʔε͞ΕΔ 4Q 2014 1Q 2015 2Q 2015 3Q 2015 2012

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/PEF'PSXBSE͕/PEFKTΛGPSLͯ͠JPKTΛϦϦʔε #%'- Node.js io.js

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io.js v1.0 release 2015೥ 1݄13೔ ※ݸਓతʹ͸io.jsͷཚͱ໊͚͍ͮͨ

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Node.jsͱͷҧ͍͸Կ͔

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BDFLϞσϧ͔Βͷ୤٫

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JPKTʹ͸Ϧʔμʔ͸ډͳ͍ɻ #%'- Node.js io.js

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ϦʔμʔෆࡏͰͲ͏΍ͬͯػ ೳ΍issueΛ؅ཧ͢Δͷ͔

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io.js rules 5FDIOJDBM $PNNJUUFF 8PSLJOH (SPVQ 4FNBOUJD 7FSTJPOJOH

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Technical Committee

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Technical Committee Ϧʔμʔ͸ډͳ͍͕ɺίΞϝϯόʔͰ ߏ੒͞Εٕͨज़ҕһձ͸͋Δɻ(16໊)

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Technical Committee ͜ͷҕһձͷதͰػೳ΍issueΛϋϯυϦϯά ͍ͯ͘͠ɻݴͬͯΈΕ͹ࠃձΈ͍ͨͳ΋ͷɻ

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Collaborator TSCͷϝϯόʔͱҰॹʹ࣮ࡍʹίʔυΛฤू मਖ਼ɺػೳ֦ு͍ͯ͘͠ਓୡ(40໊΄Ͳ)

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Working Group

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Working Group io.jsʹ͸20ݸۙ͘Working Group͕͋Δɻ Evangelism, Website, benchmark, build, etc. website build Evangelism

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Working Group ͜ͷWorking Group͕֤ʑͷ໨తʹ߹Θͤͯ ࣮ࡍͷ࡞ۀΛ׆ಈ͍ͯ͘͠ɻݴΘ͹಺ֳɻ website build Evangelism NF

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Semantic Versioning

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Semantic Versioning major.minor.patch

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Semantic Versioning major.minor.patch NBKPSόʔδϣϯ͕มΘΔ "1*ͷޓ׵่͕ΕΔɻ NJOPSόʔδϣϯ͕มΘΔ ػೳ͕௥Ճ͞ΕΔɻ QBUDIόʔδϣϯ͕มΘΔ όά͕मਖ਼͞ΕΔɻ

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Semantic Versioning major.minor.patch NBKPSόʔδϣϯ͕มΘΔ "1*ͷޓ׵่͕ΕΔɻ NJOPSόʔδϣϯ͕มΘΔ ػೳ͕௥Ճ͞ΕΔɻ QBUDIόʔδϣϯ͕มΘΔ όά͕मਖ਼͞ΕΔɻ ͜ͷSemantic Versioning ʹԊͬͯόʔδϣϯ ؅ཧ͞ΕΔɻ

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Semantic Versioning major.minor.patch NBKPSόʔδϣϯ͕มΘΔ "1*ͷޓ׵่͕ΕΔɻ APIޓ׵͕յΕΔͱmajor όʔδϣϯ͕ มΘΔͨΊɺޓ׵Λյ͍ͯ͠ͳ͍͔࠷৽ͷ஫ҙΛ ෷ͬͯνΣοΫ͞ΕΔɻݴΘ͹ݑ๏ͷΑ͏ͳ΋ͷɻ

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io.js rules 5FDIOJDBM $PNNJUUFF 8PSLJOH (SPVQ 4FNBOUJD 7FSTJPOJOH ࠃձ ๏཯JTTVFGFBUVSF ΛϋϯυϦϯά͢Δ ಺ֳɺ࣮ࡍͷ࡞ۀΛ࣮ࢪ ࠃձʹ๏ҊΛఏग़͢Δ ݑ๏ ˞ͨ·ʹ֦େղऍ΋͋Δॴ ΋ࣅͯΔɻ

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io.js rules 5FDIOJDBM $PNNJUUFF 8PSLJOH (SPVQ 4FNBOUJD 7FSTJPOJOH ࠃձ ๏཯JTTVFGFBUVSF ΛϋϯυϦϯά͢Δ ಺ֳɺ࣮ࡍͷ࡞ۀΛ࣮ࢪ ࠃձʹ๏ҊΛఏग़͢Δ ݑ๏ ˞ͨ·ʹ֦େղऍ΋͋Δॴ ΋ࣅͯΔɻ ʊਓਓਓਓਓਓਓਓਓਓʊ ʼɹ·͞ʹΨόϝϯτɹʻ ʉY^Y^Y^Y^Y^Y^Y^Y^Yʉ

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ΦʔϓϯΨόφϯεϞσϧ

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ຖिϛʔςΟϯά͕։࠵͞Εɺݱࡏio.jsͰԿ ͕ٞ࿦͞ΕͯΔͷ͔ΦʔϓϯʹͳΔ࢓૊Έɻ

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ٞࣄ࿥ΛgithubͰ؅ཧͯ͠ެ։͢ Δ͜ͱͰnon-nativeʹ΋΍͍͞͠

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io.js͸node.jsͷforkɺͦͯ͠ΦʔϓϯΨόφϯεϞ σϧΛ࠾༻͢Δ͜ͱͰಁ໌ੑͷ֬อͱίϯτϦ ϏϡʔτͷෑډΛԼ͛ΔޮՌɺBDFLͷ୅ΘΓΛૂͬ ͍ͯΔɻ

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1/13ʹv1.0ϦϦʔε͞Ε͔ͯΒطʹ7ϲ݄Ͱ  ࠓ͸v3.1.0͕ϦϦʔε͞ΕͯΔɻ ϦϦʔεස౓্͕͕Γྑ͍܏޲ʹɻ Node.js io.js

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৽͍͠ίϛολʔ΋ੜ·Ε͓ͯΓɺ ྑ͍ࡉ๔॥؀͕Ͱ͖͖͍ͯͯΔɻ

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Future Node.js

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The Future of Node = io.js

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Node Foundation 5FDIOJDBM $PNNJUUFF 8PSLJOH (SPVQ 4FNBOUJD 7FSTJPOJOH /PEF 'PVOEBUJPO ֤छ8(΍5$΁ͷࡒݯΛ ֬อ͢Δॴ $*ͷϗεςΟϯάͩͬͨΓɺ$PMMBCPSBUPSͷ ౉ߤඅͩͬͨΓͱ͍͏ίϛολʔࢧԉɻ

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Node Foundation 5FDIOJDBM $PNNJUUFF 8PSLJOH (SPVQ 4FNBOUJD 7FSTJPOJOH /PEF 'PVOEBUJPO 'VMMUJNFDPNNJUUFSͷඞཁ͕͋Ε͹͔͜͜Β څྉ͕ग़ΔܗʹͳΔɻ

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Long Term Support

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Long Term Support )BDLFS޲͚ Ұൠ޲͚

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Long Term Support &OUFSQSJTF޲͚ &OUFSQSJTF޲͚

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Node.js v4.0 features &4DPNQBUVQ 4JNQMF4USFBN 4USPOH4DSJQU JNQSPWFQFSG JNQSPWFEFCVHHBCJMJUZ

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Node.js v4.0 will be released in September (or October)

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·ͱΊ

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·ͱΊ • Ͳ͏ͯ͜͠͏ͳͬͨʁ • NodeίΞ΁ͷཁٻͷଟ͞ • BDFLϞσϧͷมԽ • ࠓޙͲ͏ͳΔʁ • Technical CommitteeʹΑΔ؅ཧ • Working GroupͰͷؔΘΓ • LTSͱnext/master ʹΑΔ҆ఆੑ