{"id":479141,"date":"2024-05-30T13:55:11","date_gmt":"2024-05-30T12:55:11","guid":{"rendered":"https:\/\/blog.jetbrains.com\/kotlin\/2024\/05\/celebrating-kotlin-2-0-fast-smart-and-multiplatform\/"},"modified":"2024-06-21T13:28:21","modified_gmt":"2024-06-21T12:28:21","slug":"celebrating-kotlin-2-0-fast-smart-and-multiplatform","status":"publish","type":"kotlin","link":"https:\/\/blog.jetbrains.com\/ja\/kotlin\/2024\/05\/celebrating-kotlin-2-0-fast-smart-and-multiplatform\/","title":{"rendered":"Kotlin 2.0 \u30ea\u30ea\u30fc\u30b9\u8a18\u5ff5\uff1a \u9ad8\u901f\u3001\u30b9\u30de\u30fc\u30c8\u3001\u30de\u30eb\u30c1\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u5bfe\u5fdc"},"content":{"rendered":"<p>\u3053\u306e\u5ea6\u3001\u5b89\u5b9a\u7248 K2 \u30b3\u30f3\u30d1\u30a4\u30e9\u30fc\u3092\u5099\u3048\u305f Kotlin 2.0 \u3092\u30ea\u30ea\u30fc\u30b9\u3059\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3057\u305f\u3002\u3053\u306e\u30b3\u30f3\u30d1\u30a4\u30e9\u30fc\u306f\u30de\u30eb\u30c1\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u3068\u3057\u3066\u30bc\u30ed\u304b\u3089\u958b\u767a\u3055\u308c\u3066\u304a\u308a\u3001\u30b3\u30fc\u30c9\u3092\u3088\u308a\u6df1\u304f\u7406\u89e3\u3057\u3066 2 \u500d\u306e\u901f\u5ea6\u3067\u30b3\u30f3\u30d1\u30a4\u30eb\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n<p>Kotlin \u306f JVM \u8a00\u8a9e\u3068\u3057\u3066\u59cb\u307e\u308a\u3001\u305d\u306e\u7c21\u6f54\u3055\u3068\u5b89\u5168\u6027\u306b\u3088\u308a\u3001\u958b\u767a\u8005\u3092\u3059\u3050\u306b\u9b45\u4e86\u3057\u307e\u3057\u305f\u3002 AWS\u3001Adobe\u3001Atlassian\u3001Google \u306a\u3069\u306e\u5927\u624b\u4f01\u696d\u304c\u63a1\u7528\u3057\u3001\u30b5\u30fc\u30d0\u30fc\u30b5\u30a4\u30c9\u3067\u6025\u901f\u306b\u666e\u53ca\u3057\u3066\u3044\u307e\u3059\u3002 Kotlin \u306f Android \u958b\u767a\u306e\u4e3b\u8981\u8a00\u8a9e\u3068\u3057\u3066\u3082\u63a1\u7528\u3055\u308c\u308b\u3088\u3046\u306b\u306a\u308a\u3001\u4e0a\u4f4d 1,000 \u30bf\u30a4\u30c8\u30eb\u306b\u5165\u308b Android \u30a2\u30d7\u30ea\u306e\u3046\u3061 95% \u304c Kotlin \u30b3\u30fc\u30c9\u3092\u4f7f\u7528\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>JetBrains \u306f Kotlin Multiplatform\uff08KMP\uff09\u3092\u5c0e\u5165\u3059\u308b\u3053\u3068\u3067 Kotlin \u306e\u9650\u754c\u3092\u3055\u3089\u306b\u62bc\u3057\u5e83\u3052\u3001\u30b5\u30fc\u30d0\u30fc\u30b5\u30a4\u30c9\u3001\u30a6\u30a7\u30d6\u3001\u30c7\u30b9\u30af\u30c8\u30c3\u30d7\u3001iOS\u3001\u304a\u3088\u3073 Android \u306e\u9593\u3067\u30b3\u30fc\u30c9\u3092\u5171\u6709\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u307e\u3057\u305f\u3002 Kotlin Multiplatform \u306e\u4eba\u6c17\u306f\u6025\u4e0a\u6607\u3057\u59cb\u3081\u3066\u304a\u308a\u3001\u3053\u306e\u30c6\u30af\u30ce\u30ed\u30b8\u30fc\u306f Forbes\u3001Philips\u3001Square\u3001McDonald&#8217;s \u306a\u3069\u306e\u5927\u624b\u7d44\u7e54\u3067\u5927\u898f\u6a21\u306b\u63a1\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002 \u3055\u3089\u306b\u3001Google \u306f\u3059\u3067\u306b\u72ec\u81ea\u306e\u30ef\u30fc\u30af\u30b9\u30da\u30fc\u30b9\u30a2\u30d7\u30ea\u306e\u958b\u767a\u306b KMP \u3092\u4f7f\u7528\u3057\u3066\u304a\u308a\u3001\u30d3\u30b8\u30cd\u30b9\u30ed\u30b8\u30c3\u30af\u306e\u5171\u6709\u306b KMP \u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3092\u516c\u5f0f\u306b<a href=\"https:\/\/android-developers.googleblog.com\/2024\/05\/android-support-for-kotlin-multiplatform-to-share-business-logic-across-mobile-web-server-desktop.html\" target=\"_blank\" rel=\"noreferrer noopener\">\u63a8\u5968<\/a>\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>Kotlin 2.0 \u306f Kotlin \u306e\u9032\u5316\u306e\u904e\u7a0b\u306b\u304a\u3051\u308b\u6b21\u306e\u30b9\u30c6\u30c3\u30d7\u3067\u3059\u3002 \u3067\u306f\u3001\u8a73\u3057\u304f\u898b\u3066\u307f\u307e\u3057\u3087\u3046\uff01<\/p>\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\">\n<div class=\"wp-block-embed__wrapper\"><iframe loading=\"lazy\" title=\"KotlinConf\u201924 - \u57fa\u8abf\u8b1b\u6f14\" src=\"https:\/\/www.youtube.com\/embed\/Ar73Axsz2YA?feature=oembed\" width=\"500\" height=\"281\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/div>\n<\/figure>\n<p><!--more--><\/p>\n<h2 class=\"wp-block-heading\">\u30bc\u30ed\u304b\u3089\u958b\u767a\u3055\u308c\u305f\u30de\u30eb\u30c1\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0<\/h2>\n<p>\u3053\u306e\u30ea\u30ea\u30fc\u30b9\u3067\u306f K2 \u30b3\u30f3\u30d1\u30a4\u30e9\u30fc\u304c\u5c0e\u5165\u3055\u308c\u305f\u3053\u3068\u306b\u3088\u308a\u3001\u3059\u3079\u3066\u306e\u30b3\u30f3\u30d1\u30a4\u30e9\u30fc\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u304c\u591a\u6570\u306e\u30ed\u30b8\u30c3\u30af\u3092\u5171\u6709\u3057\u3001\u7d71\u4e00\u306e\u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u3092\u4f7f\u7528\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u3063\u305f\u305f\u3081\u3001Kotlin \u304c\u30b5\u30dd\u30fc\u30c8\u3059\u308b\u3059\u3079\u3066\u306e\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u3092\u7d71\u4e00\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002 \u305d\u306e\u7d50\u679c\u3001\u307b\u3068\u3093\u3069\u306e\u6a5f\u80fd\u3001\u6700\u9069\u5316\u3001\u304a\u3088\u3073\u30d0\u30b0\u4fee\u6b63\u3092\u3059\u3079\u3066\u306e\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u306b\u307e\u3068\u3081\u3066\u5b9f\u88c5\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u3063\u305f\u305f\u3081\u3001\u65b0\u3057\u3044\u8a00\u8a9e\u6a5f\u80fd\u306e\u958b\u767a\u901f\u5ea6\u3092\u5927\u5e45\u306b\u9ad8\u3081\u3089\u308c\u307e\u3059\u3002 \u3053\u306e\u65b0\u3057\u3044\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u3067\u306f\u3001\u30de\u30eb\u30c1\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u30b3\u30f3\u30d1\u30a4\u30eb\u6642\u9593\u3092\u3055\u3089\u306b\u6539\u5584\u3059\u308b\u3053\u3068\u3082\u53ef\u80fd\u3067\u3059\u3002<\/p>\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-475480\" src=\"https:\/\/blog.jetbrains.com\/wp-content\/uploads\/2024\/05\/k2-compiler-architecture.png\" alt=\"K2 Kotlin \u30b3\u30f3\u30d1\u30a4\u30e9\u30fc\" width=\"1920\" height=\"1080\" \/><\/figure>\n<p>\u3053\u306e\u65b0\u3057\u3044\u30b3\u30f3\u30d1\u30a4\u30e9\u30fc\u306e\u5c0e\u5165\u306b\u3088\u308a\u3001\u30b3\u30f3\u30d1\u30a4\u30eb\u4ee5\u5916\u3067\u3082\u6539\u5584\u3092\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002 \u30c1\u30fc\u30e0\u306f\u3059\u3067\u306b\u3001<a href=\"https:\/\/youtrack.jetbrains.com\/issue\/KT-66944\/Relax-host-requirements-on-Kotlin-klib-compilation\" target=\"_blank\" rel=\"noreferrer noopener\">\u4efb\u610f\u306e\u30db\u30b9\u30c8\u304b\u3089\u306e KMP \u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u958b\u767a\u3068\u516c\u958b<\/a>\u3084<a href=\"https:\/\/youtrack.jetbrains.com\/issue\/KT-52666\/Kotlin-Multiplatform-libraries-without-platform-specific-code-a.k.a.-Pure-Kotlin-libraries-Universal-libraries\" target=\"_blank\" rel=\"noreferrer noopener\">\u6c4e\u7528 Kotlin \u30e9\u30a4\u30d6\u30e9\u30ea<\/a>\u306a\u3069\u306e\u5f85\u671b\u306e\u6a5f\u80fd\u3092\u542b\u3080<a href=\"https:\/\/youtrack.jetbrains.com\/issue\/KT-68323\/Next-gen-format-of-KMP-libraries-distribution\" target=\"_blank\" rel=\"noreferrer noopener\">\u6b21\u4e16\u4ee3\u306e KMP \u30e9\u30a4\u30d6\u30e9\u30ea\u914d\u5e03\u5f62\u5f0f<\/a>\u306b\u7a4d\u6975\u7684\u306b\u53d6\u308a\u7d44\u3093\u3067\u3044\u307e\u3059\u3002 \u3053\u308c\u306b\u3088\u3063\u3066\u30de\u30eb\u30c1\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u958b\u767a\u304c JVM \u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u958b\u767a\u3068\u540c\u7a0b\u5ea6\u306b\u7c21\u6f54\u306b\u306a\u308a\u3001KMP \u30a8\u30b3\u30b7\u30b9\u30c6\u30e0\u3092\u3055\u3089\u306b\u62e1\u5927\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>Kotlin 2.0 \u306f Compose Multiplatform \u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u30d5\u30a1\u30fc\u30b9\u30c8\u30d1\u30fc\u30c6\u30a3\u30b5\u30dd\u30fc\u30c8\u3082\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002 Compose Multiplatform \u306b\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b Jetpack Compose \u30b3\u30f3\u30d1\u30a4\u30e9\u30fc\u304c Kotlin \u30ea\u30dd\u30b8\u30c8\u30ea\u306b\u30de\u30fc\u30b8\u3055\u308c\u3001Kotlin \u306b\u540c\u68b1\u3055\u308c\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n<p>\u3053\u308c\u3089\u306e\u66f4\u65b0\u306f\u3001\u4eca\u304c Kotlin Multiplatform \u3068\u30b3\u30fc\u30c9\u3092\u5171\u6709\u3057\u59cb\u3081\u308b\u306e\u306b\u6700\u9069\u306a\u30bf\u30a4\u30df\u30f3\u30b0\u3067\u3042\u308b\u3053\u3068\u3092\u610f\u5473\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p align=\"center\"><a class=\"ek-link jb-download-button\" title=\"Kotlin Multiplatform \u3092\u4f7f\u3044\u59cb\u3081\u308b\" href=\"https:\/\/www.jetbrains.com\/help\/kotlin-multiplatform-dev\/get-started.html\" target=\"_blank\" rel=\"noopener\" data-wplink-edit=\"true\">Kotlin Multiplatform \u3092\u4f7f\u3044\u59cb\u3081\u308b<\/a><\/p>\n<h2 class=\"wp-block-heading\">\u30b3\u30f3\u30d1\u30a4\u30eb\u306e\u9ad8\u901f\u5316<\/h2>\n<p>Kotlin 2.0 \u3067\u306f\u65b0\u3057\u3044\u30b3\u30f3\u30d1\u30a4\u30e9\u30fc\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u306e\u304a\u304b\u3052\u3067\u30b3\u30f3\u30d1\u30a4\u30eb\u901f\u5ea6\u304c\u5411\u4e0a\u3057\u3001\u5834\u5408\u306b\u3088\u3063\u3066\u306f 2 \u500d\u306b\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002 \u30b3\u30f3\u30d1\u30a4\u30eb\u901f\u5ea6\u306f\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306b\u3088\u3063\u3066\u3082\u3046\u5c11\u3057\u901f\u304b\u3063\u305f\u308a\u82e5\u5e72\u9045\u304f\u306a\u3063\u305f\u308a\u3059\u308b\u53ef\u80fd\u6027\u3082\u3042\u308a\u307e\u3059\u304c\u3001\u5168\u4f53\u7684\u306b\u306f\u4ee5\u524d\u306e Kotlin \u30d0\u30fc\u30b8\u30e7\u30f3\u3088\u308a\u3082\u5b9f\u969b\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u30b3\u30f3\u30d1\u30a4\u30eb\u6642\u9593\u304c\u5927\u5e45\u306b\u5411\u4e0a\u3059\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u3044\u307e\u3059\u3002 Kotlin 2.0 \u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u6539\u5584\u306b\u3064\u3044\u3066\u306f\u3001<a href=\"https:\/\/blog.jetbrains.com\/kotlin\/2024\/04\/k2-compiler-performance-benchmarks-and-how-to-measure-them-on-your-projects\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u8a73\u7d30\u3092\u3054\u89a7\u304f\u3060\u3055\u3044<\/a>\u3002<\/p>\n<h2 class=\"wp-block-heading\">\u65b0\u3057\u3044 K2 \u30e2\u30fc\u30c9<\/h2>\n<p>\u6539\u5584\u3055\u308c\u305f\u306e\u306f\u30b3\u30f3\u30d1\u30a4\u30eb\u901f\u5ea6\u3060\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002 \u73fe\u6642\u70b9\u3067\u30a2\u30eb\u30d5\u30a1\u6bb5\u968e\u306b\u3042\u308b IntelliJ IDEA \u306e K2 \u30e2\u30fc\u30c9\u306f\u671f\u5f85\u3067\u304d\u308b\u7d50\u679c\u3092\u51fa\u3057\u3066\u3044\u307e\u3059\u3002 \u30b3\u30fc\u30c9\u30cf\u30a4\u30e9\u30a4\u30c8\u3067\u306f\u7d04 1.8 \u500d\u3001IntelliJ IDEA Ultimate \u30b3\u30fc\u30c9\u30d9\u30fc\u30b9\u306e\u30b3\u30f3\u30d1\u30a4\u30eb\u3067\u306f 1.5 \u500d\u306e\u901f\u5ea6\u6539\u5584\u3092\u78ba\u8a8d\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u4eca\u5f8c\u3082\u3055\u3089\u306a\u308b\u6539\u5584\u306b\u52aa\u3081\u3066\u3044\u304d\u307e\u3059\u3002 K2 \u30e2\u30fc\u30c9\u304c\u4eca\u5f8c\u3055\u3089\u306b\u5b89\u5b9a\u3057\u3001\u30b3\u30f3\u30d1\u30a4\u30eb\u3068\u30cf\u30a4\u30e9\u30a4\u30c8\u306e\u901f\u5ea6\u304c\u3088\u308a\u5411\u4e0a\u3059\u308b\u3053\u3068\u3092\u671f\u5f85\u3057\u3066\u3044\u307e\u3059\u3002<br \/>K2 \u30e2\u30fc\u30c9\u306f IntelliJ IEDA \u30d0\u30fc\u30b8\u30e7\u30f3 2024.2 \u3067\u30d9\u30fc\u30bf\u30b9\u30c6\u30fc\u30bf\u30b9\u306b\u5230\u9054\u3059\u308b\u4e88\u5b9a\u3067\u3059\u3002 \u305d\u306e\u4ed6\u306b\u3082\u3044\u304f\u3064\u304b\u306e\u91cd\u8981\u306a IntelliJ IDEA \u6a5f\u80fd\u3092\u63d0\u4f9b\u3059\u308b\u4e88\u5b9a\u3067\u3042\u308a\u30012024 \u5e74\u672b\u307e\u3067\u306b\u306f K2 \u30e2\u30fc\u30c9\u3092\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u6709\u52b9\u306b\u3059\u308b\u8a08\u753b\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002 <a href=\"https:\/\/blog.jetbrains.com\/idea\/2024\/03\/k2-kotlin-mode-alpha-in-intellij-idea\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u305c\u3072\u304a\u8a66\u3057\u304f\u3060\u3055\u3044\uff01<\/a><\/p>\n<h2 class=\"wp-block-heading\">\u3088\u308a\u30b9\u30de\u30fc\u30c8\u306a\u30b3\u30fc\u30c9\u89e3\u6790\u3068\u305d\u306e\u4ed6\u306e\u6a5f\u80fd<\/h2>\n<p>\u65b0\u3057\u3044\u30b3\u30f3\u30d1\u30a4\u30e9\u30fc\u306f\u52d5\u4f5c\u306e\u4e00\u8cab\u6027\u304c\u5411\u4e0a\u3057\u3066\u304a\u308a\u3001\u30b3\u30fc\u30c9\u3092\u3088\u308a\u6df1\u304f\u7406\u89e3\u3057\u3001\u3088\u308a\u30b9\u30de\u30fc\u30c8\u306a\u30b9\u30de\u30fc\u30c8\u30ad\u30e3\u30b9\u30c8\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002 \u9577\u3089\u304f\u672a\u89e3\u6c7a\u3068\u306a\u3063\u3066\u3044\u305f\u554f\u984c\u3082\u89e3\u6c7a\u3055\u308c\u305f\u305f\u3081\u3001\u3088\u308a\u5805\u7262\u306a\u30b3\u30fc\u30c9\u3092\u66f8\u3051\u308b\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002 Kotlin 2.0 \u3067\u5c0e\u5165\u3055\u308c\u305f\u3059\u3079\u3066\u306e\u65b0\u6a5f\u80fd\u306b\u3064\u3044\u3066\u306f\u3001\u4ee5\u4e0b\u3067\u8a73\u3057\u304f\u7d39\u4ecb\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p align=\"center\"><a class=\"ek-link jb-download-button\" title=\"Kotlin 2.0. \u306e\u65b0\u6a5f\u80fd\" href=\"https:\/\/kotlinlang.org\/docs\/whatsnew-eap.html\" target=\"_blank\" rel=\"noopener\">Kotlin 2.0. \u306e\u65b0\u6a5f\u80fd<\/a><\/p>\n<h2 class=\"wp-block-heading\">\u5b89\u5fc3\u3057\u3066\u79fb\u884c\u304c\u53ef\u80fd\u306b<\/h2>\n<p>JetBrains \u306f\u81ea\u793e\u3068\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u306e 40 \u4ef6\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067 1,000 \u4e07\u884c\u306e\u30b3\u30fc\u30c9\u3092\u5bfe\u8c61\u3068\u3059\u308b\u30c6\u30b9\u30c8\u3092\u5fb9\u5e95\u7684\u306b\u5b9f\u65bd\u3057\u3001Kotlin 2.0 \u3078\u5186\u6ed1\u306b\u79fb\u884c\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u307e\u3057\u305f\u3002 18,000 \u4eba\u3092\u8d85\u3048\u308b\u958b\u767a\u8005\u3068\u591a\u6570\u306e\u4f01\u696d\u304c 80,000 \u4ef6\u306e\u30b5\u30fc\u30d0\u30fc\u30b5\u30a4\u30c9\u3001Android\u3001\u304a\u3088\u3073\u30de\u30eb\u30c1\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067 K2 \u30b3\u30f3\u30d1\u30a4\u30e9\u30fc\u3092\u30c6\u30b9\u30c8\u3057\u3001\u8cb4\u91cd\u306a\u30d5\u30a3\u30fc\u30c9\u30d0\u30c3\u30af\u3092\u63d0\u4f9b\u3057\u3066\u304f\u3060\u3055\u3044\u307e\u3057\u305f\u3002 \u3053\u308c\u3089\u306e\u53d6\u308a\u7d44\u307f\u306e\u304a\u304b\u3052\u3067\u3001Kotlin 2.0 \u306f\u904e\u53bb\u6700\u9ad8\u54c1\u8cea\u306e\u30ea\u30ea\u30fc\u30b9\u3068\u306a\u308a\u3001\u5b89\u5168\u78ba\u5b9f\u306b\u79fb\u884c\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p align=\"center\"><a class=\"ek-link jb-download-button\" title=\"\u79fb\u884c\u30ac\u30a4\u30c9\u3092\u8aad\u3080\" href=\"https:\/\/kotlinlang.org\/docs\/k2-compiler-migration-guide.html\" target=\"_blank\" rel=\"noopener\">\u79fb\u884c\u30ac\u30a4\u30c9\u3092\u8aad\u3080<\/a><\/p>\n<h2 class=\"wp-block-heading\">Kotlin \u306e\u672a\u6765<\/h2>\n<p>Kotlin 2.0 \u306f Kotlin \u306e\u672a\u6765\u3092\u5207\u308a\u958b\u304d\u307e\u3059\u3002 \u3053\u306e\u5805\u7262\u3067\u9ad8\u901f\u306a\u65b0\u3057\u3044\u30de\u30eb\u30c1\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u30b3\u30f3\u30d1\u30a4\u30e9\u30fc\u306e\u5c0e\u5165\u306b\u3088\u308a\u3001\u8a00\u8a9e\u958b\u767a\u306b\u304a\u3051\u308b\u4ee5\u4e0b\u306e\u4e3b\u306a\u5206\u91ce\u306b\u96c6\u4e2d\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n<ul>\n<li>\u5f37\u529b\u306a\u30c7\u30fc\u30bf\u30d5\u30ed\u30fc\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3068\u30c7\u30fc\u30bf\u30af\u30e9\u30b9\u306e\u6539\u5584\u306b\u3088\u308b\u30c7\u30fc\u30bf\u8a8d\u8b58\u3068\u5206\u89e3<\/li>\n<li>\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u3084\u660e\u793a\u7684\u306a\u30d0\u30c3\u30ad\u30f3\u30b0\u30d5\u30a3\u30fc\u30eb\u30c9\u306a\u3069\u306e\u6a5f\u80fd\u306b\u3088\u308b\u62bd\u8c61\u5316\u306e\u5f37\u5316<\/li>\n<li>\u5024\u30af\u30e9\u30b9\u3068\u4e0d\u5909\u6027\u3092\u4f7f\u7528\u3057\u305f\u9ad8\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3067\u5206\u304b\u308a\u3084\u3059\u3044\u30b3\u30fc\u30c9<\/li>\n<li>\u30aa\u30d7\u30c8\u30a4\u30f3\u30e1\u30ab\u30cb\u30ba\u30e0\u3068\u30b7\u30b0\u30cd\u30c1\u30e3\u30fc\u7ba1\u7406\u306b\u3088\u308b\u30e9\u30a4\u30d6\u30e9\u30ea\u4f5c\u6210\u8005\u306e\u30a8\u30af\u30b9\u30da\u30ea\u30a8\u30f3\u30b9\u5f37\u5316<\/li>\n<\/ul>\n<p>\u3053\u308c\u3089\u306e\u8a00\u8a9e\u958b\u767a\u306e\u65b9\u5411\u6027\u306b\u3064\u3044\u3066\u306f\u3001Kotlin \u306e\u4e3b\u4efb\u8a00\u8a9e\u30c7\u30b6\u30a4\u30ca\u30fc\u3067\u3042\u308b Mikhail Zarechenskiy \u304c\u81ea\u3089\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\">\n<div class=\"wp-block-embed__wrapper\"><iframe loading=\"lazy\" title=\"Kotlin Language Features in 2.0 and Beyond\uff082.0 \u4ee5\u964d\u306e Kotlin \u8a00\u8a9e\u6a5f\u80fd\uff09- Michail Zare\u010denskij\" src=\"https:\/\/www.youtube.com\/embed\/tAGJ5zJXJ7w?feature=oembed\" width=\"500\" height=\"281\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/div><figcaption class=\"wp-element-caption\"><em>Kotlin Language Features in 2.0 and Beyond\uff082.0 \u4ee5\u964d\u306e Kotlin \u8a00\u8a9e\u6a5f\u80fd\uff09\u2013 Michail Zare\u010denskij<\/em><\/figcaption><\/figure>\n<p>Kotlin 2.0 \u306f\u65e5\u5e38\u696d\u52d9\u306e\u751f\u7523\u6027\u3092\u5927\u5e45\u306b\u5411\u4e0a\u3055\u305b\u307e\u3059\u3002 \u3055\u3089\u306b\u9ad8\u901f\u3001\u30b9\u30de\u30fc\u30c8\u3001\u304b\u3064\u5805\u7262\u306a\u30b3\u30f3\u30d1\u30a4\u30e9\u30fc\u3092\u63d0\u4f9b\u3055\u308c\u3066\u3044\u308b\u3060\u3051\u3067\u306a\u304f\u3001Kotlin Multiplatform \u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u30b5\u30dd\u30fc\u30c8\u3082\u3055\u3089\u306b\u5f37\u5316\u3055\u308c\u3066\u3044\u307e\u3059\u3002 Kotlin \u958b\u767a\u8005\u306f\u5358\u306a\u308b\u30e2\u30c0\u30f3\u3067\u7c21\u6f54\u3001\u304b\u3064\u5b89\u5168\u306a\u8a00\u8a9e\u3092\u4f7f\u7528\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308b\u3060\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002 <a href=\"https:\/\/ktor.io\/\" target=\"_blank\" rel=\"noreferrer noopener\">Ktor<\/a> \u3084 <a href=\"https:\/\/www.jetbrains.com\/lp\/compose-multiplatform\/\" target=\"_blank\" rel=\"noreferrer noopener\">Compose Multiplatform<\/a> \u306a\u3069\u306e\u5f37\u529b\u306a\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3092\u5099\u3048\u305f\u6c4e\u7528\u7684\u306a\u30a8\u30b3\u30b7\u30b9\u30c6\u30e0\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u3001Kotlin 2.0 \u3068 JetBrains IDE \u3068\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u512a\u308c\u305f\u958b\u767a\u8005\u30a8\u30af\u30b9\u30da\u30ea\u30a8\u30f3\u30b9\u3092\u5f97\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3042\u3089\u3086\u308b\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u3092\u5bfe\u8c61\u306b\u9769\u65b0\u7684\u3067\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306b\u512a\u308c\u305f\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u5236\u4f5c\u3067\u304d\u308b\u3088\u3046\u306b\u3082\u306a\u308a\u307e\u3059\u3002 \u79c1\u305f\u3061\u306f\u3053\u308c\u304b\u3089\u7686\u3055\u3093\u304c\u5236\u4f5c\u3059\u308b\u3082\u306e\u306b\u5927\u3044\u306b\u671f\u5f85\u3057\u3066\u304a\u308a\u307e\u3059\u3002 \u3069\u3046\u305e\u5f15\u304d\u7d9a\u304d\u958b\u767a\u3092\u304a\u697d\u3057\u307f\u304f\u3060\u3055\u3044\uff01<\/p>\n\n\n<h2 class=\"wp-block-heading\">\u305d\u306e\u4ed6\u306e\u6587\u732e<\/h2>\n\n\n\n<ul>\n<li><a href=\"https:\/\/kotlinlang.org\/docs\/whatsnew20.html\" target=\"_blank\" rel=\"noopener\">Kotlin 2.0.0 \u306e\u65b0\u6a5f\u80fd<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/kotlinlang.org\/docs\/k2-compiler-migration-guide.html\" target=\"_blank\" rel=\"noreferrer noopener\">K2 \u30b3\u30f3\u30d1\u30a4\u30e9\u30fc\u79fb\u884c\u30ac\u30a4\u30c9<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/blog.jetbrains.com\/kotlin\/2021\/10\/the-road-to-the-k2-compiler\/\" target=\"_blank\" rel=\"noreferrer noopener\">K2 \u30b3\u30f3\u30d1\u30a4\u30e9\u30fc\u3078\u306e\u9053<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/blog.jetbrains.com\/kotlin\/2024\/04\/k2-compiler-performance-benchmarks-and-how-to-measure-them-on-your-projects\/\" target=\"_blank\" rel=\"noreferrer noopener\">K2 \u30b3\u30f3\u30d1\u30a4\u30e9\u30fc\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u30d9\u30f3\u30c1\u30de\u30fc\u30af\u3068\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u6e2c\u5b9a\u65b9\u6cd5<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/android-developers.googleblog.com\/2024\/05\/android-support-for-kotlin-multiplatform-to-share-business-logic-across-mobile-web-server-desktop.html\" target=\"_blank\" rel=\"noopener\">\u30e2\u30d0\u30a4\u30eb\u3001\u30a6\u30a7\u30d6\u3001\u30b5\u30fc\u30d0\u30fc\u3001\u304a\u3088\u3073\u30c7\u30b9\u30af\u30c8\u30c3\u30d7\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u9593\u3067\u30d3\u30b8\u30cd\u30b9\u30ed\u30b8\u30c3\u30af\u3092\u5171\u6709\u3059\u308b Kotlin Multiplatform \u306e Android \u30b5\u30dd\u30fc\u30c8<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/android-developers.googleblog.com\/2024\/04\/jetpack-compose-compiler-moving-to-kotlin-repository.html\" target=\"_blank\" rel=\"noopener\">Jetpack Compose \u30b3\u30f3\u30d1\u30a4\u30e9\u30fc\u304b\u3089 Kotlin \u30ea\u30dd\u30b8\u30c8\u30ea\u3078\u306e\u79fb\u884c<\/a><\/li>\n<\/ul>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>\u30aa\u30ea\u30b8\u30ca\u30eb\uff08\u82f1\u8a9e\uff09\u30d6\u30ed\u30b0\u6295\u7a3f\u8a18\u4e8b\u306e\u4f5c\u8005\uff1a<\/strong><\/p>\n\n\n    <div class=\"about-author \">\n        <div class=\"about-author__box\">\n            <div class=\"row\">\n                <div class=\"about-author__box-img\">\n                    <img decoding=\"async\" src=\"https:\/\/secure.gravatar.com\/avatar\/?s=200&#038;r=g\" width=\"200\" height=\"200\" alt=\"\" loading=\"lazy\"  class=\"avatar avatar-200 wp-user-avatar wp-user-avatar-200 photo avatar-default\">\n                <\/div>\n                <div class=\"about-author__box-text\">\n                                                        <\/div>\n            <\/div>\n        <\/div>\n    <\/div>\n\n\n    <div class=\"about-author \">\n        <div class=\"about-author__box\">\n            <div class=\"row\">\n                <div class=\"about-author__box-img\">\n                    <img decoding=\"async\" src=\"https:\/\/secure.gravatar.com\/avatar\/?s=200&#038;r=g\" width=\"200\" height=\"200\" alt=\"\" loading=\"lazy\"  class=\"avatar avatar-200 wp-user-avatar wp-user-avatar-200 photo avatar-default\">\n                <\/div>\n                <div class=\"about-author__box-text\">\n                                                        <\/div>\n            <\/div>\n        <\/div>\n    <\/div>\n","protected":false},"author":1161,"featured_media":476188,"comment_status":"closed","ping_status":"closed","template":"","categories":[89],"tags":[8476,8497,6698],"cross-post-tag":[],"acf":[],"_links":{"self":[{"href":"https:\/\/blog.jetbrains.com\/ja\/wp-json\/wp\/v2\/kotlin\/479141"}],"collection":[{"href":"https:\/\/blog.jetbrains.com\/ja\/wp-json\/wp\/v2\/kotlin"}],"about":[{"href":"https:\/\/blog.jetbrains.com\/ja\/wp-json\/wp\/v2\/types\/kotlin"}],"author":[{"embeddable":true,"href":"https:\/\/blog.jetbrains.com\/ja\/wp-json\/wp\/v2\/users\/1161"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.jetbrains.com\/ja\/wp-json\/wp\/v2\/comments?post=479141"}],"version-history":[{"count":11,"href":"https:\/\/blog.jetbrains.com\/ja\/wp-json\/wp\/v2\/kotlin\/479141\/revisions"}],"predecessor-version":[{"id":486378,"href":"https:\/\/blog.jetbrains.com\/ja\/wp-json\/wp\/v2\/kotlin\/479141\/revisions\/486378"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blog.jetbrains.com\/ja\/wp-json\/wp\/v2\/media\/476188"}],"wp:attachment":[{"href":"https:\/\/blog.jetbrains.com\/ja\/wp-json\/wp\/v2\/media?parent=479141"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.jetbrains.com\/ja\/wp-json\/wp\/v2\/categories?post=479141"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.jetbrains.com\/ja\/wp-json\/wp\/v2\/tags?post=479141"},{"taxonomy":"cross-post-tag","embeddable":true,"href":"https:\/\/blog.jetbrains.com\/ja\/wp-json\/wp\/v2\/cross-post-tag?post=479141"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}