{"id":141577,"date":"2021-05-05T10:13:20","date_gmt":"2021-05-05T09:13:20","guid":{"rendered":"https:\/\/blog.jetbrains.com\/kotlin\/2021\/05\/kotlin-1-5-0-released\/"},"modified":"2021-05-07T05:02:32","modified_gmt":"2021-05-07T04:02:32","slug":"kotlin-1-5-0-released","status":"publish","type":"kotlin","link":"https:\/\/blog.jetbrains.com\/ja\/kotlin\/2021\/05\/kotlin-1-5-0-released\/","title":{"rendered":"Kotlin 1.5.0 \u2013 2021 \u5e74\u6700\u521d\u306e\u5927\u898f\u6a21\u30ea\u30ea\u30fc\u30b9"},"content":{"rendered":"<p><a href=\"https:\/\/blog.jetbrains.com\/kotlin\/2020\/10\/new-release-cadence-for-kotlin-and-the-intellij-kotlin-plugin\/\">\u65b0\u3057\u3044\u30ea\u30ea\u30fc\u30b9\u30b9\u30b1\u30b8\u30e5\u30fc\u30eb<\/a>\u306b\u6e96\u3058\u305f Kotlin \u6700\u521d\u306e\u6a5f\u80fd\u30ea\u30ea\u30fc\u30b9\u3001<em>Kotlin 1.5.0<\/em> \u3092\u3054\u7d39\u4ecb\u3057\u307e\u3059\uff01<\/p>\n<p>\u3053\u306e\u30ea\u30ea\u30fc\u30b9\u3067\u306f\u3001JVM \u30ec\u30b3\u30fc\u30c9\u3001sealed \u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3001\u30a4\u30f3\u30e9\u30a4\u30f3\u30af\u30e9\u30b9\u306a\u3069\u306e<a href=\"https:\/\/blog.jetbrains.com\/kotlin\/2021\/05\/kotlin-1-5-0-released\/#stable-language-features\">stable\u5316\u3057\u305f\u8a00\u8a9e\u6a5f\u80fd<\/a>\u306e\u307b\u304b\u3001<a href=\"https:\/\/blog.jetbrains.com\/kotlin\/2021\/05\/kotlin-1-5-0-released\/#kotlin-jvm\">\u65b0\u3057\u3044\u30c7\u30d5\u30a9\u30eb\u30c8\u306e JVM IR \u30b3\u30f3\u30d1\u30a4\u30e9\u30fc<\/a>\u3092\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002 <a href=\"https:\/\/blog.jetbrains.com\/kotlin\/2021\/02\/new-language-features-preview-in-kotlin-1-4-30\/\">Kotlin 1.4.30<\/a> \u304a\u3088\u3073 Kotlin 1.5.0 EAP \u30ea\u30ea\u30fc\u30b9\u306e\u6a5f\u80fd\u30d7\u30ec\u30d3\u30e5\u30fc\u306b\u3064\u3044\u3066\u7686\u69d8\u304b\u3089\u304a\u5bc4\u305b\u3044\u305f\u3060\u3044\u305f\u30d5\u30a3\u30fc\u30c9\u30d0\u30c3\u30af\u304c\u3001\u3053\u308c\u3089\u306e\u6a5f\u80fd\u3092\u5b89\u5b9a\u3055\u305b\u308b\u3046\u3048\u3067\u5927\u3044\u306b\u5f79\u7acb\u3061\u307e\u3057\u305f\u3002 \u3054\u652f\u63f4\u3044\u305f\u3060\u304d\u3042\u308a\u304c\u3068\u3046\u3054\u3056\u3044\u307e\u3057\u305f\uff01 \u3088\u308d\u3057\u304f\u304a\u9858\u3044\u3044\u305f\u3057\u307e\u3059\uff01\u3000<\/p>\n<div style=\"background-color: #f1f6fe; margin-bottom: 2px; padding: 5px; margin-right: 0%; text-align: left; min-height: px;\">\n<p>\u3059\u3067\u306b <em>25,000<\/em> \u4eba\u4ee5\u4e0a\u306e\u958b\u767a\u8005\u304c <a href=\"https:\/\/www.jetbrains.com\/ja-jp\/idea\/download\/\" target=\"_blank\" rel=\"noopener\">IntelliJ IDEA<\/a> \u306e\u65b0\u3057\u3044 JVM IR \u30b3\u30f3\u30d1\u30a4\u30e9\u30fc\u3092\u8a66\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u305d\u306e\u826f\u3055\u306f\u6642\u9593\u304c\u7d4c\u3064\u306b\u3064\u308c\u3066\u5b9f\u611f\u3067\u304d\u308b\u304b\u3068\u601d\u3044\u307e\u3059\u3002 \u65b0\u3057\u3044\u30b3\u30f3\u30d1\u30a4\u30e9\u30fc\u306f\u3001<em>\u7d71\u5408\u3055\u308c\u305f\u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u3068\u30d3\u30b8\u30cd\u30b9\u30ed\u30b8\u30c3\u30af<\/em>\u3092 Kotlin\/Native \u304a\u3088\u3073 Kotlin\/JS IR \u30b3\u30f3\u30d1\u30a4\u30e9\u30fc\u3068\u5171\u6709\u3057\u3066\u3044\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u3042\u3089\u3086\u308b\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u5411\u3051\u306b\u307b\u3068\u3093\u3069\u306e\u6a5f\u80fd\u5b9f\u88c5\u3001\u6700\u9069\u5316\u3001\u30d0\u30b0\u4fee\u6b63\u3092\u540c\u6642\u306b\u5b9f\u884c\u3067\u304d\u307e\u3059\u3002 \u307e\u305f\u3001<em>\u3042\u3089\u3086\u308b\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u3067\u81ea\u52d5\u7684\u306b\u6a5f\u80fd\u3059\u308b\u3088\u3046\u306a\u30ab\u30b9\u30bf\u30e0\u51e6\u7406\u3084\u5909\u63db\u51e6\u7406\u3092\u8ffd\u52a0<\/em>\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/div>\n<p>Kotlin 1.5.0 \u306b\u95a2\u3059\u308b\u3054\u8cea\u554f\u306f\u3054\u3056\u3044\u307e\u3059\u304b\uff1f <a href=\"https:\/\/twitter.com\/relizarov\" target=\"_blank\" rel=\"noopener\">Roman Elizarov<\/a>\u3001<a href=\"https:\/\/twitter.com\/sveta_isakova\" target=\"_blank\" rel=\"noopener\">Svetlana Isakova<\/a> \u3092\u306f\u3058\u3081\u3068\u3059\u308b Kotlin \u30c1\u30fc\u30e0\u306e\u30e1\u30f3\u30d0\u30fc\u304c\u30015 \u6708 25 \u65e5\u306e Kotlin 1.5 \u30aa\u30f3\u30e9\u30a4\u30f3\u30a4\u30d9\u30f3\u30c8\u3067\u7686\u69d8\u304b\u3089\u306e\u8cea\u554f\u306b\u751f\u3067\u304a\u7b54\u3048\u3057\u307e\u3059\u3002<\/p>\n<p align=\"center\"><a class=\"jb-download-button\" title=\"\u767b\u9332\u3059\u308b\" href=\"https:\/\/pages.jetbrains.com\/kotlin-online-event-2021\" target=\"_blank\" rel=\"noopener\">Kotlin 1.5 \u30aa\u30f3\u30e9\u30a4\u30f3\u30a4\u30d9\u30f3\u30c8\u3078\u306e\u3054\u767b\u9332<\/a><\/p>\n<hr \/>\n<p>\u3053\u306e\u30d6\u30ed\u30b0\u8a18\u4e8b\u3067\u306f\u3001\u6b21\u306e\u6982\u8981\u3092\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n<ul>\n<li>\n<p><a href=\"https:\/\/blog.jetbrains.com\/kotlin\/2021\/05\/kotlin-1-5-0-released\/#stable-language-features\">stable\u5316\u3057\u305f\u8a00\u8a9e\u6a5f\u80fd<\/a> \u2013 JVM \u30ec\u30b3\u30fc\u30c9\u3001sealed \u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3001\u30a4\u30f3\u30e9\u30a4\u30f3\u30af\u30e9\u30b9\u3002<\/p>\n<\/li>\n<li>\n<p><a href=\"https:\/\/blog.jetbrains.com\/kotlin\/2021\/05\/kotlin-1-5-0-released\/#library-improvements\">\u6a19\u6e96\u30e9\u30a4\u30d6\u30e9\u30ea\u3068\u30c6\u30b9\u30c8\u30e9\u30a4\u30d6\u30e9\u30ea\u306b\u95a2\u3059\u308b\u6539\u5584\u70b9<\/a>\u3002Stable \u5316\u3057\u305f\u7b26\u53f7\u306a\u3057\u6574\u6570\u578b\u3001<code>java.nio.file.Path<\/code> \u306e\u62e1\u5f35\u95a2\u6570\u3001String \/ Char \/ Duration API \u306b\u95a2\u3059\u308b\u6539\u5584\u3092\u542b\u307f\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><a href=\"https:\/\/blog.jetbrains.com\/kotlin\/2021\/05\/kotlin-1-5-0-released\/#kotlin-jvm\">Kotlin\/JVM \u306b\u95a2\u3059\u308b\u6539\u5584\u70b9<\/a>\u3002\u65b0\u3057\u3044\u30c7\u30d5\u30a9\u30eb\u30c8\u306e JVM IR \u30b3\u30f3\u30d1\u30a4\u30e9\u30fc\u3092\u542b\u307f\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><a href=\"https:\/\/blog.jetbrains.com\/kotlin\/2021\/05\/kotlin-1-5-0-released\/#kotlin-native\">Kotlin\/Native \u306b\u95a2\u3059\u308b\u6539\u5584\u70b9<\/a>\u3002Linux \u304a\u3088\u3073 iOS \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30c7\u30d0\u30c3\u30b0\u30b3\u30f3\u30d1\u30a4\u30eb\u306e\u9ad8\u901f\u5316\u3092\u542b\u307f\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><a href=\"https:\/\/blog.jetbrains.com\/kotlin\/2021\/05\/kotlin-1-5-0-released\/#kotlin-js\">Kotlin\/JS \u306b\u95a2\u3059\u308b\u6539\u5584\u70b9<\/a>\u3002\u3088\u308a\u591a\u304f\u306e JS \u30e9\u30a4\u30d6\u30e9\u30ea\u304b\u3089\u65b0\u3057\u3044 Kotlin\/JS IR \u30b3\u30f3\u30d1\u30a4\u30e9\u30fc\u3078\u306e\u79fb\u884c\u3092\u542b\u307f\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ul>\n<h2 id=\"kotlin-1-5-0-\">Kotlin 1.5.0 \u3078\u306e\u81ea\u52d5\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8<\/h2>\n<p><a href=\"https:\/\/www.jetbrains.com\/ja-jp\/idea\/download\/\" target=\"_blank\" rel=\"noopener\">IntelliJ IDEA<\/a> \u304b <a href=\"https:\/\/developer.android.com\/studio\" target=\"_blank\" rel=\"noopener\">Android Studio<\/a> \u3092\u304a\u4f7f\u3044\u306e\u5834\u5408\u306f\u3001\u65b0\u3057\u3044 Kotlin \u30ea\u30ea\u30fc\u30b9\u304c\u5165\u624b\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u3063\u305f\u6642\u70b9\u3067\u81ea\u52d5\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3059\u308b\u30aa\u30d7\u30b7\u30e7\u30f3\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u8a73\u7d30\u306b\u3064\u3044\u3066\u306f\u3001<a href=\"https:\/\/blog.jetbrains.com\/kotlin\/2021\/05\/kotlin-1-5-0-released\/#how-to-install\">Kotlin 1.5.0 \u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb<\/a>\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p><a name=\"stable-language-features\"><\/a><\/p>\n<h2 id=\"-\">stable\u5316\u3057\u305f\u8a00\u8a9e\u6a5f\u80fd<\/h2>\n<p>Kotlin 1.5.0 \u306b\u306f\u3001<a href=\"https:\/\/blog.jetbrains.com\/kotlin\/2021\/02\/new-language-features-preview-in-kotlin-1-4-30\/\">1.4.30 \u306e\u30d7\u30ec\u30d3\u30e5\u30fc<\/a>\u3067\u63d0\u4f9b\u3055\u308c\u305f\u6b21\u306e\u65b0\u3057\u3044\u8a00\u8a9e\u6a5f\u80fd\u306estable\u7248\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<ul>\n<li>\n<p><em>JVM \u30ec\u30b3\u30fc\u30c9\u306e\u30b5\u30dd\u30fc\u30c8<\/em>\u3002\u6700\u65b0 Java \u306e\u6a5f\u80fd\u3067\u3042\u308b<a href=\"https:\/\/openjdk.java.net\/jeps\/395\" target=\"_blank\" rel=\"noopener\">\u30ec\u30b3\u30fc\u30c9\u30af\u30e9\u30b9<\/a>\u3068\u306e\u76f8\u4e92\u904b\u7528\u6027\u3092\u7dad\u6301\u3057\u3066\u3044\u307e\u3059\u3002 Kotlin \u30af\u30e9\u30b9\u3092 Java \u30b3\u30fc\u30c9\u5185\u3067\u30ec\u30b3\u30fc\u30c9\u3068\u3057\u3066\u4f7f\u7528\u3059\u308b\u306b\u306f\u3001\u6b21\u306e\u3088\u3046\u306b\u305d\u308c\u3092 <code>data<\/code> \u30af\u30e9\u30b9\u306b\u3057\u3066 <code>@JvmRecord<\/code> \u6ce8\u91c8\u3092\u4ed8\u3051\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre class=\"kotlin-code\" data-highlight-only=\"true\" theme=\"idea\" indent=\"4\" style=\"visibility: hidden; padding: 36px 0;\"> @JvmRecord data class User(val name: String, val age: Int) <\/pre>\n<p>\u8a73\u7d30\u306f\u3001<a href=\"https:\/\/kotlinlang.org\/docs\/jvm-records.html#requirements\" target=\"_blank\" rel=\"noopener\">JVM \u30ec\u30b3\u30fc\u30c9\u3092\u4f7f\u7528\u3059\u308b\u305f\u3081\u306e\u8981\u4ef6<\/a>\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<\/li>\n<li>\n<p><em>sealed \u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9<\/em>\u3002 <code>sealed<\/code> \u4fee\u98fe\u5b50\u306f\u3001\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306b\u3064\u3044\u3066\u3082\u30af\u30e9\u30b9\u306e\u5834\u5408\u3068\u540c\u69d8\u306b\u6a5f\u80fd\u3057\u307e\u3059\u3002sealed \u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306e\u5b9f\u88c5\u306f\u3059\u3079\u3066\u30b3\u30f3\u30d1\u30a4\u30eb\u6642\u306b\u8a8d\u8b58\u3055\u308c\u307e\u3059\u3002<\/p>\n<pre class=\"kotlin-code\" data-highlight-only=\"true\" theme=\"idea\" indent=\"4\" style=\"visibility: hidden; padding: 36px 0;\"> sealed interface Polygon <\/pre>\n<\/li>\n<li>\n<p><em>sealed \u30af\u30e9\u30b9\u306b\u95a2\u3059\u308b\u6539\u5584<\/em>\u3002 \u5f93\u6765\u306f\u3059\u3079\u3066\u306e\u30b5\u30d6\u30af\u30e9\u30b9\u3092 sealed \u30af\u30e9\u30b9\u3068\u540c\u3058\u30d5\u30a1\u30a4\u30eb\u306b\u8a18\u8ff0\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3057\u305f\u3002 \u4eca\u5f8c\u306f\u3001\u540c\u3058\u30b3\u30f3\u30d1\u30a4\u30eb\u30e6\u30cb\u30c3\u30c8\u3068\u540c\u3058\u30d1\u30c3\u30b1\u30fc\u30b8\u306b\u5c5e\u3059\u308b\u3059\u3079\u3066\u306e\u30d5\u30a1\u30a4\u30eb\u306b\u8a18\u8ff0\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><em>\u30a4\u30f3\u30e9\u30a4\u30f3\u30af\u30e9\u30b9<\/em>\u306f\u3001\u5024\u306e\u307f\u3092\u4fdd\u6301\u3059\u308b<a href=\"https:\/\/github.com\/Kotlin\/KEEP\/blob\/master\/notes\/value-classes.md\" target=\"_blank\" rel=\"noopener\">\u5024\u30d9\u30fc\u30b9<\/a>\u30af\u30e9\u30b9\u306e\u30b5\u30d6\u30bb\u30c3\u30c8\u3067\u3059\u3002 \u30a4\u30f3\u30e9\u30a4\u30f3\u30af\u30e9\u30b9\u306f\u30e1\u30e2\u30ea\u306e\u5272\u308a\u5f53\u3066\u306b\u8d77\u56e0\u3059\u308b\u4f59\u8a08\u306a\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u3092\u767a\u751f\u3055\u305b\u305a\u3001\u7279\u5b9a\u306e\u578b\u306e\u5024\u3092\u30e9\u30c3\u30d7\u3059\u308b\u76ee\u7684\u3067\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002 \u5ba3\u8a00\u306b\u306f <code>value<\/code> \u4fee\u98fe\u5b50\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"kotlin-code\" data-highlight-only=\"true\" theme=\"idea\" indent=\"4\" style=\"visibility: hidden; padding: 36px 0;\"> @JvmInline \/\/required for the JVM backend value class Password(val s: String) <\/pre>\n<\/li>\n<\/ul>\n<h3 id=\"kotlin-1-5-0-\">Kotlin 1.5.0 \u306e\u8a00\u8a9e\u6a5f\u80fd\u306b\u95a2\u3059\u308b\u8a73\u7d30<\/h3>\n<ul>\n<li><a href=\"https:\/\/blog.jetbrains.com\/kotlin\/2021\/02\/new-language-features-preview-in-kotlin-1-4-30\/\">\u8a00\u8a9e\u6a5f\u80fd\u306e\u30d7\u30ec\u30d3\u30e5\u30fc\u306b\u95a2\u3059\u308b\u30d6\u30ed\u30b0\u8a18\u4e8b<\/a>\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n<li><a href=\"https:\/\/kotlinlang.org\/docs\/whatsnew15.html#language-features\" target=\"_blank\" rel=\"noopener\">\u8a00\u8a9e\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8<\/a>\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n<li><a href=\"https:\/\/youtube.com\/playlist?list=PLlFc5cFwUnmyqnEdnhAO-D4UEwOy7rXN0\" target=\"_blank\" rel=\"noopener\">\u8a00\u8a9e\u306e\u30b7\u30ea\u30fc\u30ba\u52d5\u753b<\/a>\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002 <iframe loading=\"lazy\" title=\"YouTube \u52d5\u753b\u30d7\u30ec\u30fc\u30e4\u30fc\" src=\"https:\/\/www.youtube.com\/embed\/videoseries?list=PLlFc5cFwUnmyqnEdnhAO-D4UEwOy7rXN0\" width=\"854\" height=\"505\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/li>\n<\/ul>\n<p><a name=\"library-improvements\"><\/a><\/p>\n<h2 id=\"-\">\u6a19\u6e96\u30e9\u30a4\u30d6\u30e9\u30ea\u3068\u30c6\u30b9\u30c8\u30e9\u30a4\u30d6\u30e9\u30ea\u306b\u95a2\u3059\u308b\u6539\u5584\u70b9<\/h2>\n<div style=\"background-color: #f1f6fe; margin-bottom: 2px; padding: 5px; margin-right: 0%; text-align: left; min-height: px;\">\u79c1\u305f\u3061\u304c <a href=\"https:\/\/blog.jetbrains.com\/kotlin\/2021\/04\/kotlin-1-5-0-rc-released\/\">Kotlin 1.5.0-RC \u306e\u30d6\u30ed\u30b0\u8a18\u4e8b<\/a>\u3067\u5b9f\u65bd\u3057\u305f\u30a2\u30f3\u30b1\u30fc\u30c8\u306e\u7d50\u679c\u304b\u3089\u5224\u65ad\u3059\u308b\u9650\u308a\u3001<em>\u7b26\u53f7\u306a\u3057\u6574\u6570\u578b\u7528\u306e Stable \u5316\u3057\u305f API<\/em>\u306f\u3001\u6700\u3082\u671f\u5f85\u3055\u308c\u3066\u3044\u305f Kotlin 1.5.0 \u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u6539\u5584\u70b9\u3067\u3059\u3002<\/div>\n<p><strong>\u6a19\u6e96\u30e9\u30a4\u30d6\u30e9\u30ea<\/strong>\u3067\u306f\u3001\u6b21\u306e\u3088\u3046\u306b\u591a\u304f\u306e\u6709\u76ca\u306a\u6a5f\u80fd\u3092\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<ul>\n<li>\n<p><em>\u7b26\u53f7\u306a\u3057\u6574\u6570\u578b\u7528\u306e Stable \u5316\u3057\u305f API<\/em>\u3002Range \u304a\u3088\u3073\u7b26\u53f7\u306a\u3057\u6574\u6570\u578b\u306e\u6570\u5217\u3001\u7b26\u53f7\u306a\u3057\u6574\u6570\u578b\u3092\u4f34\u3046\u6f14\u7b97\u304c\u3067\u304d\u308b\u95a2\u6570\u306b\u3082\u5bfe\u5fdc\u3057\u3066\u3044\u307e\u3059\u3002 \u8a73\u7d30\u306f\u3001<a href=\"https:\/\/kotlinlang.org\/docs\/basic-types.html#unsigned-integers\" target=\"_blank\" rel=\"noopener\">\u7b26\u53f7\u306a\u3057\u6574\u6570<\/a>\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<\/li>\n<li>\n<p><a href=\"https:\/\/docs.oracle.com\/javase\/7\/docs\/api\/java\/nio\/file\/Path.html\" target=\"_blank\" rel=\"noopener\">java.nio.file.Path<\/a> \u306e<em>\u62e1\u5f35\u95a2\u6570<\/em>\u3002\u6700\u65b0\u306e<a href=\"https:\/\/docs.oracle.com\/javase\/8\/docs\/api\/java\/nio\/package-summary.html\" target=\"_blank\" rel=\"noopener\">\u975e\u30d6\u30ed\u30c3\u30ad\u30f3\u30b0 Java I\/O<\/a> \u3092 Kotlin-idiomatic \u30b9\u30bf\u30a4\u30eb\u3067\u5229\u7528\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><em>String \u304a\u3088\u3073 Char API \u306b\u95a2\u3059\u308b\u6539\u5584\u70b9<\/em>\u3002\u6587\u5b57\u5217\u3084\u6587\u5b57\u306e\u5927\u6587\u5b57\u30fb\u5c0f\u6587\u5b57\u306e\u5909\u63db\u306b\u4fbf\u5229\u306a\u30ed\u30b1\u30fc\u30eb\u306b\u4f9d\u5b58\u3057\u306a\u3044 API\u3001\u6587\u5b57\u3068\u305d\u306e\u6574\u6570\u30b3\u30fc\u30c9\u304a\u3088\u3073\u6570\u5024\u306e\u9593\u3067\u5909\u63db\u64cd\u4f5c\u3092\u884c\u3048\u308b\u95a2\u6570\u3001\u305d\u306e\u4ed6\u306e Char \u95a2\u6570\u306e\u30de\u30eb\u30c1\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u5bfe\u5fdc\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><em>Duration API \u306e\u5909\u66f4<\/em>\u3002\u5185\u90e8\u8868\u73fe\u306b <code>Long<\/code> \u5024\u3092\u4f7f\u7528\u3059\u308b\u3088\u3046\u306b\u3057\u307e\u3057\u305f\u3002\u307e\u305f\u3001Duration \u3092 <code>Long<\/code> \u5024\u3068\u3057\u3066\u53d6\u5f97\u3059\u308b\u305f\u3081\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3082\u5c0e\u5165\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ul>\n<p><strong>\u30c6\u30b9\u30c8\u30e9\u30a4\u30d6\u30e9\u30ea<\/strong>\u3067\u306f\u3001\u6b21\u306e\u3088\u3046\u306a\u91cd\u8981\u306a\u6539\u5584\u304c\u884c\u308f\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<ul>\n<li>\n<p>\u30de\u30eb\u30c1\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u5171\u901a\u30bd\u30fc\u30b9\u30bb\u30c3\u30c8\u306b\u3001<code>kotlin-test<\/code> \u3092\u5358\u4e00\u306e\u4f9d\u5b58\u95a2\u4fc2\u3068\u3057\u3066\u8ffd\u52a0\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u307e\u3057\u305f\u3002<\/p>\n<\/li>\n<li>\n<p>\u4f9d\u5b58\u95a2\u4fc2\u306b <code>kotlin-test<\/code> \u3092\u6307\u5b9a\u3059\u308b\u3060\u3051\u3067\u3001Kotlin\/JVM \u30bd\u30fc\u30b9\u30bb\u30c3\u30c8\u7528\u306e\u30c6\u30b9\u30c8\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u304c\u81ea\u52d5\u7684\u306b\u9078\u629e\u3055\u308c\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n<\/li>\n<li>\n<p>\u30a2\u30b5\u30fc\u30b7\u30e7\u30f3\u95a2\u6570\u306b\u3064\u3044\u3066\u591a\u6570\u306e\u66f4\u65b0\u3092\u884c\u3044\u307e\u3057\u305f\u3002<\/p>\n<\/li>\n<\/ul>\n<h3 id=\"-\">\u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u6539\u5584\u70b9\u306b\u95a2\u3059\u308b\u8a73\u7d30<\/h3>\n<ul>\n<li><a href=\"https:\/\/blog.jetbrains.com\/kotlin\/2021\/04\/kotlin-1-5-0-rc-released\/\">\u3044\u304f\u3064\u304b\u306e\u30b5\u30f3\u30d7\u30eb\u3092\u542b\u3080\u3001\u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u6539\u5584\u306b\u95a2\u3059\u308b\u30d6\u30ed\u30b0\u8a18\u4e8b<\/a>\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n<li><a href=\"https:\/kotlinlang.org\/docs\/whatsnew15.html#standard-library\">Kotlin 1.5.0 \u306e\u65b0\u6a5f\u80fd<\/a>\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n<li><a href=\"https:\/\/youtu.be\/MyTkiT2I6-8\" target=\"_blank\" rel=\"noopener\">\u52d5\u753b<\/a>\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002 <iframe loading=\"lazy\" title=\"YouTube \u52d5\u753b\u30d7\u30ec\u30fc\u30e4\u30fc\" src=\"https:\/\/www.youtube.com\/embed\/MyTkiT2I6-8\" width=\"854\" height=\"505\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/li>\n<\/ul>\n<p><a name=\"kotlin-jvm\"><\/a><\/p>\n<h2 id=\"kotlin-jvm\">Kotlin\/JVM<\/h2>\n<p>Kotlin 1.5.0 \u306e\u65b0\u6a5f\u80fd:<\/p>\n<ul>\n<li>\n<p><a href=\"https:\/\/blog.jetbrains.com\/kotlin\/2020\/08\/kotlin-1-4-released-with-a-focus-on-quality-and-performance\/\">Kotlin 1.4.0 \u3067\u767a\u8868\u3055\u308c\u305f<\/a>\u65b0\u3057\u3044 JVM IR \u30b3\u30f3\u30d1\u30a4\u30e9\u30fc\u304c <a href=\"https:\/\/kotlinlang.org\/docs\/components-stability.html\" target=\"_blank\" rel=\"noopener\">Stable<\/a> \u5316\u3057\u3001\u30c7\u30d5\u30a9\u30eb\u30c8\u306b\u306a\u308a\u307e\u3057\u305f\u3002 \u65b0\u3057\u3044\u30b3\u30f3\u30d1\u30a4\u30e9\u30fc\u306b\u95a2\u3059\u308b\u8a73\u7d30\u306f\u3001\u3053\u3061\u3089\u306e<a href=\"https:\/\/blog.jetbrains.com\/kotlin\/2021\/02\/the-jvm-backend-is-in-beta-let-s-make-it-stable-together\/\">\u30d6\u30ed\u30b0\u8a18\u4e8b<\/a>\u3068<a href=\"https:\/kotlinlang.org\/docs\/whatsnew15.html#stable-jvm-ir-backend\">\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8<\/a>\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<\/li>\n<li>\n<p><a href=\"https:\/kotlinlang.org\/docs\/whatsnew15.html#sam-adapters-via-invokedynamic\">SAM \u30a2\u30c0\u30d7\u30bf\u30fc\u3068\u30e9\u30e0\u30c0\u3092\u52d5\u7684\u306a\u547c\u3073\u51fa\u3057\u306b\u30b3\u30f3\u30d1\u30a4\u30eb\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\uff08invokedynamic\uff09<\/a>\u3002\u3053\u308c\u306f\u3001\u6700\u65b0\u306e JVM \u6a5f\u80fd\u306b\u3088\u308a\u3082\u305f\u3089\u3055\u308c\u305f\u3082\u306e\u3067\u3059\u3002 Kotlin \u306e\u5358\u7d14\u306a\u30e9\u30e0\u30c0\u306e\u30b3\u30f3\u30d1\u30a4\u30eb\u306f\u3001<a href=\"https:\/\/kotlinlang.org\/docs\/components-stability.html\" target=\"_blank\" rel=\"noopener\">\u5b9f\u9a13\u7684<\/a>\u306a\u3082\u306e\u3067\u3059\u3002<\/p>\n<\/li>\n<li>\n<p>\u30c7\u30d5\u30a9\u30eb\u30c8\u306e JVM \u30bf\u30fc\u30b2\u30c3\u30c8\u304c 1.8 \u306b\u306a\u308a\u307e\u3057\u305f\u3002 <code>1.6<\/code> \u30bf\u30fc\u30b2\u30c3\u30c8\u306f\u5ec3\u6b62\u4e88\u5b9a\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n<\/li>\n<li>\n<p><a href=\"https:\/kotlinlang.org\/docs\/whatsnew15.html#improvements-to-handling-nullability-annotations\">Java \u304b\u3089\u63d0\u4f9b\u3055\u308c\u308b\u578b\u306e nullability \u306b\u95a2\u3059\u308b\u60c5\u5831\u306e\u51e6\u7406\u304c\u6539\u5584\u3055\u308c\u307e\u3057\u305f<\/a>\u3002<\/p>\n<\/li>\n<li>\n<p><a href=\"https:\/kotlinlang.org\/docs\/whatsnew15.html#deprecation-of-jvmdefault-and-old-xjvm-default-modes\">@JvmDefault \u3068\u53e4\u3044 Xjvm-default \u30e2\u30fc\u30c9\u304c\u5ec3\u6b62\u4e88\u5b9a\u306b\u306a\u308a\u307e\u3057\u305f<\/a>\u3002<\/p>\n<\/li>\n<\/ul>\n<p><a name=\"kotlin-native\"><\/a><\/p>\n<h2 id=\"kotlin-native\">Kotlin\/Native<\/h2>\n<p>Kotlin 1.5.0 \u306e\u65b0\u6a5f\u80fd:<\/p>\n<ul>\n<li>\n<p><code>linuxX64<\/code> \u304a\u3088\u3073 <code>iosArm64<\/code> \u30bf\u30fc\u30b2\u30c3\u30c8\u3067\u3001\u30c7\u30d0\u30c3\u30b0\u30e2\u30fc\u30c9\u304c<a href=\"https:\/\/blog.jetbrains.com\/kotlin\/2020\/03\/kotlin-1-3-70-released\/#kotlin-native\">\u30b3\u30f3\u30d1\u30a4\u30e9\u30fc\u30ad\u30e3\u30c3\u30b7\u30e5<\/a>\u306b\u5bfe\u5fdc\u3057\u307e\u3057\u305f\u3002 <a href=\"https:\/kotlinlang.org\/docs\/whatsnew15.html#performance-improvements\">\u30b3\u30f3\u30d1\u30a4\u30e9\u30fc\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u6709\u52b9\u5316<\/a>\u3059\u308b\u3068\u3001\u521d\u56de\u5b9f\u884c\u6642\u3092\u9664\u3044\u3066\u307b\u3068\u3093\u3069\u306e\u30c7\u30d0\u30c3\u30b0\u30b3\u30f3\u30d1\u30a4\u30eb\u304c\u304b\u306a\u308a\u9ad8\u901f\u306b\u5b8c\u4e86\u3057\u307e\u3059\u3002 \u79c1\u305f\u3061\u306e\u30c6\u30b9\u30c8\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u8a55\u4fa1\u3057\u305f\u7d50\u679c\u3001<em>200\uff05<\/em>\u307b\u3069\u901f\u5ea6\u304c\u5411\u4e0a\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3067\u304d\u307e\u3057\u305f\u3002<\/p>\n<\/li>\n<li>\n<p>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30af\u30e9\u30c3\u30b7\u30e5\u304c\u767a\u751f\u3059\u308b\u554f\u984c\u3092\u56de\u907f\u3059\u308b\u305f\u3081\u3001\u7d44\u307f\u8fbc\u307f\u306e\u30e1\u30e2\u30ea\u30ea\u30fc\u30af\u30c1\u30a7\u30c3\u30ab\u30fc\u3092\u7121\u52b9\u306b\u3057\u307e\u3057\u305f\u3002 \u5fc5\u8981\u306b\u5fdc\u3058\u3001<a href=\"https:\/kotlinlang.org\/docs\/whatsnew15.html#deactivation-of-the-memory-leak-checker\">\u30e1\u30e2\u30ea\u30ea\u30fc\u30af\u30c1\u30a7\u30c3\u30ab\u30fc\u3092\u6709\u52b9\u306b\u3059\u308b<\/a>\u65b9\u6cd5\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<\/li>\n<\/ul>\n<p><a name=\"kotlin-js\"><\/a><\/p>\n<h2 id=\"kotlin-js\">Kotlin\/JS<\/h2>\n<p>Kotlin\/JS \u306b\u3064\u3044\u3066\u306f\u3001<a href=\"https:\/\/youtrack.jetbrains.com\/issue\/KT-42289\" target=\"_blank\" rel=\"noopener\">\u65b0\u3057\u3044 Kotlin\/JS IR \u30b3\u30f3\u30d1\u30a4\u30e9\u30fc\u306e\u30d9\u30fc\u30bf\u7248\u3078\u306e\u79fb\u884c<\/a>\u304c\u9032\u3081\u3089\u308c\u3066\u3044\u307e\u3059\u3002 <a href=\"https:\/\/kotlinlang.org\/docs\/js-ir-compiler.html\" target=\"_blank\" rel=\"noopener\">IR \u30b3\u30f3\u30d1\u30a4\u30e9\u30fc<\/a>\u3067\u306f\u3001<a href=\"https:\/\/kvision.io\/\" target=\"_blank\" rel=\"noopener\">KVision<\/a> \/ <a href=\"https:\/\/www.fritz2.dev\/\" target=\"_blank\" rel=\"noopener\">fritz2<\/a> \/ <a href=\"https:\/\/github.com\/nacular\/doodle\" target=\"_blank\" rel=\"noopener\">doodle<\/a> \u306a\u3069\u3001\u3059\u3067\u306b\u591a\u304f\u306e\u6709\u540d\u306a\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3084\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u4f5c\u6210\u3057\u3066\u3044\u308b\u65b9\u306f\u3001<a href=\"https:\/\/kotlinlang.org\/docs\/js-ir-compiler.html#authoring-libraries-for-the-ir-compiler-with-backwards-compatibility\" target=\"_blank\" rel=\"noopener\">\u4e0b\u4f4d\u4e92\u63db\u6027\u3092\u5229\u7528\u3057\u3066\u81ea\u5206\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u79fb\u884c\u3059\u308b<\/a>\u3053\u3068\u3067\u3001\u81ea\u5206\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u3053\u308c\u3089\u306b\u8ffd\u52a0\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u307e\u305f\u3001webpack 4 \u306e\u4ee3\u308f\u308a\u306b <a href=\"https:\/\/webpack.js.org\/blog\/2020-10-10-webpack-5-release\/\" target=\"_blank\" rel=\"noopener\">webpack 5<\/a> \u3092\u4f7f\u7528\u3057\u3066 JS \u30d0\u30f3\u30c9\u30eb\u3092\u30d3\u30eb\u30c9\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><a name=\"how-to-install\"><\/a><\/p>\n<h2 id=\"kotlin-1-5-0-\">Kotlin 1.5.0 \u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u65b9\u6cd5<\/h2>\n<p>\u3059\u3067\u306b <a href=\"https:\/\/www.jetbrains.com\/idea\/download\/\" target=\"_blank\" rel=\"noopener\">IntelliJ IDEA<\/a> \u304b <a href=\"https:\/\/developer.android.com\/studio\" target=\"_blank\" rel=\"noopener\">Android Studio<\/a> \u3092\u304a\u4f7f\u3044\u306e\u5834\u5408\u306f\u3001\u65b0\u3057\u3044\u30ea\u30ea\u30fc\u30b9\u304c\u5165\u624b\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u3063\u305f\u6642\u70b9\u3067 Kotlin 1.5.0 \u3078\u306e\u81ea\u52d5\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u304c\u63d0\u6848\u3055\u308c\u307e\u3059\u3002 <a href=\"https:\/\/kotlinlang.org\/docs\/releases.html#update-to-a-new-release\" target=\"_blank\" rel=\"noopener\">\u6307\u5b9a\u306e\u624b\u9806<\/a>\u306b\u5f93\u3063\u3066\u624b\u52d5\u3067\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002\u6ce8\uff1aAndroid Studio 4.2.0\u3001Arctic Fox Canary 15 \u4ee5\u964d\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u306e\u307f\u304c Kotlin 1.5.0. \u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u4ee5\u4e0b\u306e IDE \u306e\u6700\u65b0\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u3044\u3064\u3067\u3082\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u3001\u7db2\u7f85\u7684\u306a Kotlin \u306e\u30b5\u30dd\u30fc\u30c8\u3092\u53d7\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<ul>\n<li><a href=\"https:\/\/www.jetbrains.com\/idea\/download\/\" target=\"_blank\" rel=\"noopener\">IntelliJ IDEA<\/a>\u3002\u3055\u307e\u3056\u307e\u306a\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u3092\u5bfe\u8c61\u3068\u3059\u308b Kotlin \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u958b\u767a\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\n<li><a href=\"https:\/\/developer.android.com\/studio\" target=\"_blank\" rel=\"noopener\">Android Studio<\/a>\u3002Android \u3068\u30af\u30ed\u30b9\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u30e2\u30d0\u30a4\u30eb\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u958b\u767a\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\n<\/ul>\n<p>kotlinx \u30e9\u30a4\u30d6\u30e9\u30ea\u3092<a href=\"https:\/\/kotlinlang.org\/releases.html#release-details\" target=\"_blank\" rel=\"noopener\">\u4e92\u63db\u6027\u306e\u3042\u308b\u30d0\u30fc\u30b8\u30e7\u30f3<\/a>\u306b\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3057\u3001\u65e2\u5b58\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u30d3\u30eb\u30c9\u30b9\u30af\u30ea\u30d7\u30c8\u3067 Kotlin \u30d0\u30fc\u30b8\u30e7\u30f3 <code>1.5.0<\/code> \u3092\u6307\u5b9a\u3057\u3066\u3044\u308b\u3053\u3068\u3082\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p><em>\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u30b3\u30f3\u30d1\u30a4\u30e9\u30fc<\/em>\u304c\u5fc5\u8981\u306a\u5834\u5408\u306f\u3001<a href=\"https:\/\/github.com\/JetBrains\/kotlin\/releases\/tag\/v1.5.0\" target=\"_blank\" rel=\"noopener\">GitHub \u306e\u30ea\u30ea\u30fc\u30b9\u30da\u30fc\u30b8<\/a>\u304b\u3089\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3067\u304d\u307e\u3059\u3002<\/p>\n<h3 id=\"-\">\u554f\u984c\u767a\u751f\u6642\u306f\u4ee5\u4e0b\u306e\u5bfe\u5fdc\u3092\u304a\u9858\u3044\u3057\u307e\u3059<\/h3>\n<ul>\n<li><a href=\"http:\/\/kotlinlang.slack.com\/\" target=\"_blank\" rel=\"noopener\">Slack<\/a> \u3067\u652f\u63f4\u3092\u6c42\u3081\u308b\uff08<a href=\"https:\/\/surveys.jetbrains.com\/s3\/kotlin-slack-sign-up\" target=\"_blank\" rel=\"noopener\">\u62db\u5f85\u3092\u53d7\u3051\u3066\u304f\u3060\u3055\u3044<\/a>\uff09\u3002<\/li>\n<li>\u8ab2\u984c\u30c8\u30e9\u30c3\u30ab\u30fc <a href=\"https:\/\/youtrack.jetbrains.com\/issues\/KT\" target=\"_blank\" rel=\"noopener\">YouTrack<\/a> \u306b\u8ab2\u984c\u3092\u5831\u544a\u3059\u308b\u3002<\/li>\n<\/ul>\n<h2 id=\"kotlin-1-5-\">Kotlin 1.5 \u30aa\u30f3\u30e9\u30a4\u30f3\u30a4\u30d9\u30f3\u30c8<\/h2>\n<p>5 \u6708 25 \u65e5\u306e Kotlin 1.5 \u30aa\u30f3\u30e9\u30a4\u30f3\u30a4\u30d9\u30f3\u30c8\u306b\u3054\u53c2\u52a0\u304f\u3060\u3055\u3044\u3002Kotlin \u30c1\u30fc\u30e0\u304c\u6700\u65b0\u30ea\u30ea\u30fc\u30b9\u306b\u95a2\u3059\u308b\u7686\u69d8\u304b\u3089\u306e\u8cea\u554f\u306b\u56de\u7b54\u3044\u305f\u3057\u307e\u3059\u3002 \u6c17\u306b\u306a\u308b\u3053\u3068\u304c\u3042\u308c\u3070\u4f55\u3067\u3082\u3054\u8cea\u554f\u304f\u3060\u3055\u3044\u3002\u7279\u306b\u8cea\u554f\u304c\u306a\u3044\u65b9\u3082\u3001\u5358\u306b\u56de\u7b54\u306b\u8208\u5473\u304c\u3042\u308b\u65b9\u3082\u6b53\u8fce\u3057\u307e\u3059\u3002 \u30a4\u30d9\u30f3\u30c8\u306e\u958b\u50ac\u6642\u9593\u306f 1 \u6642\u9593 30 \u5206\u3092\u4e88\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>Twitter \u3067 <code>#kotlin15ask<\/code> \u306e\u30cf\u30c3\u30b7\u30e5\u30bf\u30b0\u3092\u4ed8\u3051\u3066\u8cea\u554f\u3092\u6295\u7a3f\u3059\u308b\u304b\u3001<a href=\"https:\/\/pages.jetbrains.com\/kotlin-online-event-2021\" target=\"_blank\" rel=\"noopener\">\u767b\u9332\u30d5\u30a9\u30fc\u30e0<\/a>\u306b\u8cea\u554f\u3092\u8ffd\u52a0\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p align=\"center\"><a class=\"jb-download-button\" title=\"\u767b\u9332\u3059\u308b\" href=\"https:\/\/pages.jetbrains.com\/kotlin-online-event-2021\" target=\"_blank\" rel=\"noopener\">Kotlin 1.5 \u30aa\u30f3\u30e9\u30a4\u30f3\u30a4\u30d9\u30f3\u30c8\u3078\u306e\u3054\u767b\u9332<\/a><\/p>\n<p>\u307e\u305f\u3001\u672a\u56de\u7b54\u306e\u8cea\u554f\u3084\u65b0\u3057\u3044\u8cea\u554f\u306b\u5bfe\u5fdc\u3059\u308b\u305f\u3081\u30015 \u6708 27 \u65e5\u304b\u3089 28 \u65e5\u306b Reddit \u3067 Ask Me Anything\uff08AMA\uff09\u30bb\u30c3\u30b7\u30e7\u30f3\u3092\u958b\u50ac\u3059\u308b\u4e88\u5b9a\u3067\u3059\u3002<\/p>\n<h2 id=\"-\">\u4e92\u63db\u6027<\/h2>\n<p>\u3059\u3079\u3066\u306e\u6a5f\u80fd\u30ea\u30ea\u30fc\u30b9\u3068\u540c\u69d8\u306b\u3001Kotlin 1.5.0 \u3092\u4ee5\u3066\u3001\u4ee5\u524d\u306b\u767a\u8868\u3057\u305f\u5909\u66f4\u306e\u4f7f\u7528\u5ec3\u6b62\u30b5\u30a4\u30af\u30eb\u304c\u4e00\u90e8\u7d42\u4e86\u3092\u8fce\u3048\u307e\u3059\u3002 \u3059\u3079\u3066\u306e\u30b1\u30fc\u30b9\u306f\u8a00\u8a9e\u59d4\u54e1\u4f1a\u306b\u3088\u308b\u5341\u5206\u306a\u691c\u8a0e\u306e\u5f8c\u3001\u300c<a href=\"https:\/\/kotlinlang.org\/docs\/compatibility-guide-15.html\" target=\"_blank\" rel=\"noopener\">Kotlin 1.5 \u306e\u4e92\u63db\u6027\u30ac\u30a4\u30c9<\/a>\u300d\u306b\u8a18\u8f09\u3055\u308c\u3066\u3044\u307e\u3059\u3002 \u307e\u305f\u3001<a href=\"https:\/\/youtrack.jetbrains.com\/issues\/KT?q=Tag:%20language-committee-approved%20Target%20versions:%201.5.0-RC,%201.5.0-M2,%201.5.0-M1,%201.5.0\" target=\"_blank\" rel=\"noopener\">YouTrack<\/a> \u3067\u3082\u5909\u66f4\u5185\u5bb9\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<h2 id=\"-\">\u52d5\u753b\u3068\u305d\u306e\u4ed6\u306e\u60c5\u5831<\/h2>\n<p><em>Kotlin \u306e YouTube \u30c1\u30e3\u30f3\u30cd\u30eb<\/em>:<\/p>\n<ul>\n<li><a href=\"https:\/\/youtube.com\/playlist?list=PLlFc5cFwUnmySUsgUV90sZccj4U8XnsK_\" target=\"_blank\" rel=\"noopener\">Kotlin 1.5.0 \u306e\u52d5\u753b\u30d7\u30ec\u30a4\u30ea\u30b9\u30c8<\/a><\/li>\n<li>\u30b3\u30eb\u30fc\u30c1\u30f3\u3084\u30b7\u30ea\u30a2\u30eb\u5316\u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u6539\u5584\u70b9\u306b\u95a2\u3059\u308b\u52d5\u753b\u3092\u898b\u9003\u3055\u306a\u3044\u3088\u3046\u3001<a href=\"https:\/\/www.youtube.com\/channel\/UCP7uiEZIqci43m22KDl0sNw?sub_confirmation=1\" target=\"_blank\" rel=\"noopener\">Kotlin \u306e YouTube \u30c1\u30e3\u30f3\u30cd\u30eb\u306b\u767b\u9332<\/a>\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n<\/ul>\n<p><em>Kotlin \u306e\u30d6\u30ed\u30b0<\/em>\u3092\u304a\u8aad\u307f\u304f\u3060\u3055\u3044:<\/p>\n<ul>\n<li><a href=\"https:\/\/blog.jetbrains.com\/kotlin\/2021\/02\/new-language-features-preview-in-kotlin-1-4-30\/\">Kotlin 1.5.0 \u8a00\u8a9e\u6a5f\u80fd\u306e\u30d7\u30ec\u30d3\u30e5\u30fc<\/a><\/li>\n<li><a href=\"https:\/\/blog.jetbrains.com\/kotlin\/2021\/04\/kotlin-1-5-0-rc-released\/\">Kotlin 1.5.0 \u6a19\u6e96\u30e9\u30a4\u30d6\u30e9\u30ea\u3068\u30c6\u30b9\u30c8\u30e9\u30a4\u30d6\u30e9\u30ea\u306b\u95a2\u3059\u308b\u6539\u5584\u70b9<\/a><\/li>\n<li><a href=\"https:\/\/blog.jetbrains.com\/kotlin\/2021\/02\/the-jvm-backend-is-in-beta-let-s-make-it-stable-together\/\">\u65b0\u3057\u3044 JVM IR \u30d0\u30c3\u30af\u30a8\u30f3\u30c9<\/a><\/li>\n<li><a href=\"https:\/\/blog.jetbrains.com\/kotlin\/2021\/04\/kotlin-plugin-2021-1-released\/\">IntelliJ IDEA \u306b\u304a\u3051\u308b Kotlin \u30b5\u30dd\u30fc\u30c8\u306e\u6539\u5584<\/a><\/li>\n<\/ul>\n<p><em>Kotlin \u30c9\u30ad\u30e5\u30e1\u30f3\u30c8<\/em>\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044:<\/p>\n<ul>\n<li><a href=\"https:\/\/kotlinlang.org\/docs\/whatsnew15.html\" target=\"_blank\" rel=\"noopener\">Kotlin 1.5.0 \u306e\u65b0\u6a5f\u80fd<\/a><\/li>\n<li><a href=\"https:\/\/kotlinlang.org\/docs\/compatibility-guide-15.html\" target=\"_blank\" rel=\"noopener\">Kotlin 1.5.0 \u306e\u4e92\u63db\u6027\u30ac\u30a4\u30c9<\/a><\/li>\n<\/ul>\n<h2 id=\"-\">\u5916\u90e8\u8ca2\u732e\u8005<\/h2>\n<p>\u3053\u306e\u30ea\u30ea\u30fc\u30b9\u306b\u542b\u3081\u3089\u308c\u305f\u30d7\u30eb\u30ea\u30af\u30a8\u30b9\u30c8\u306f\u3001\u6b21\u306e\u5916\u90e8\u8ca2\u732e\u8005\u304b\u3089\u3044\u305f\u3060\u304d\u307e\u3057\u305f\u3002\u3054\u5354\u529b\u3044\u305f\u3060\u304d\u3042\u308a\u304c\u3068\u3046\u3054\u3056\u3044\u307e\u3057\u305f&#x1f44f;&#x1f44f;&#x1f44f;\u3002<\/p>\n<p><a href=\"https:\/\/github.com\/jsjeon\" target=\"_blank\" rel=\"noopener\">Jinseong Jeon<\/a>, <a href=\"https:\/\/github.com\/madsager\" target=\"_blank\" rel=\"noopener\">Mads Ager<\/a>, <a href=\"https:\/\/github.com\/gavra0\" target=\"_blank\" rel=\"noopener\">Ivan Gavrilovic<\/a>, <a href=\"https:\/\/github.com\/pyos\" target=\"_blank\" rel=\"noopener\">pyos<\/a>, <a href=\"https:\/\/github.com\/sfs\" target=\"_blank\" rel=\"noopener\">Steven Sch\u00e4fer<\/a>, <a href=\"https:\/\/github.com\/CommanderTvis\" target=\"_blank\" rel=\"noopener\">Iaroslav Postovalov<\/a>, <a href=\"https:\/\/github.com\/scaventz\" target=\"_blank\" rel=\"noopener\">scaventz<\/a>, <a href=\"https:\/\/github.com\/kandersen\" target=\"_blank\" rel=\"noopener\">Kristoffer Andersen<\/a>, <a href=\"https:\/\/github.com\/bingranl\" target=\"_blank\" rel=\"noopener\">Bingran<\/a>, <a href=\"https:\/\/github.com\/wolfs\" target=\"_blank\" rel=\"noopener\">Stefan Wolf<\/a>, <a href=\"https:\/\/github.com\/turansky\" target=\"_blank\" rel=\"noopener\">Victor Turansky<\/a>, <a href=\"mailto:fjjohnchen@qq.com\">fjjohnchen<\/a>, <a href=\"mailto:justin.wei@bytedance.com\">justin.wei<\/a>, <a href=\"https:\/\/github.com\/runningcode\" target=\"_blank\" rel=\"noopener\">Nelson Osacky<\/a>, <a href=\"https:\/\/github.com\/negram\" target=\"_blank\" rel=\"noopener\">Mikhail Galanin<\/a>, <a href=\"https:\/\/github.com\/hoisie\" target=\"_blank\" rel=\"noopener\">Michael Hoisie<\/a>, <a href=\"mailto:echelon@example.com\">Kris Hall<\/a>, <a href=\"https:\/\/github.com\/kevin1e100\" target=\"_blank\" rel=\"noopener\">Kevin Bierhoff<\/a>, <a href=\"https:\/\/github.com\/neetopia\" target=\"_blank\" rel=\"noopener\">Jiaxiang Chen<\/a>, <a href=\"mailto:hungnv@google.com\">Hung Nguyen<\/a>, <a href=\"https:\/\/github.com\/melix\" target=\"_blank\" rel=\"noopener\">Cedric Champeau<\/a>.<\/p>\n<h2 id=\"youtrack-\">YouTrack \u306e\u4e0a\u4f4d\u8ab2\u984c\u5831\u544a\u8005<\/h2>\n<p>YouTrack \u306b\u8ab2\u984c\u3092\u5831\u544a\u3057\u3066\u3053\u306e\u30ea\u30ea\u30fc\u30b9\u306e\u6539\u5584\u306b\u3054\u5354\u529b\u3044\u305f\u3060\u3044\u305f\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u30e1\u30f3\u30d0\u30fc\u5168\u54e1\u306b\u611f\u8b1d\u3044\u305f\u3057\u307e\u3059&#x1f44f;&#x1f44f;&#x1f44f;\uff01 \u4ee5\u4e0b\u306f\u4e0a\u4f4d 20 \u540d\u306e\u5831\u544a\u8005\u3067\u3059\u3002\u3053\u306e\u30e1\u30f3\u30d0\u30fc\u306b\u306f\u7279\u306b\u611f\u8b1d\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><a href=\"https:\/\/youtrack.jetbrains.com\/issues\/?q=project:KT,%20KTIJ%20created:%202020-08-17%20..%20*%20created%20by:%20kotlinisland\" target=\"_blank\" rel=\"noopener\">Morgan Bartholomew<\/a>\uff08118 \u8ab2\u984c\uff09\u3001<a href=\"https:\/\/youtrack.jetbrains.com\/issues\/?q=project:KT,%20KTIJ%20created:%202020-08-17%20..%20*%20created%20by:%20fluidsonic\" target=\"_blank\" rel=\"noopener\">Marc Knaup<\/a>\uff0878 \u8ab2\u984c\uff09\u3001<a href=\"https:\/\/youtrack.jetbrains.com\/issues\/?q=project:KT,%20KTIJ%20created:%202020-08-17%20..%20*%20created%20by:%20rnett\" target=\"_blank\" rel=\"noopener\">Ryan Nett<\/a>\uff0861 \u8ab2\u984c\uff09\u3001<a href=\"https:\/\/youtrack.jetbrains.com\/issues\/?q=project:KT,%20KTIJ%20created:%202020-08-17%20..%20*%20created%20by:%20louis.cad\" target=\"_blank\" rel=\"noopener\">Louis CAD<\/a>\uff0848 \u8ab2\u984c\uff09\u3001<a href=\"https:\/\/youtrack.jetbrains.com\/issues\/?q=project:KT,%20KTIJ%20created:%202020-08-17%20..%20*%20created%20by:%20stepanov.2\" target=\"_blank\" rel=\"noopener\">Daniil Stepanov<\/a>\uff0844 \u8ab2\u984c\uff09\u3001<a href=\"https:\/\/youtrack.jetbrains.com\/issues\/?q=project:KT,%20KTIJ%20created:%202020-08-17%20..%20*%20created%20by:%20lblb636\" target=\"_blank\" rel=\"noopener\">AndroidDeveloperLB<\/a>\uff0839 \u8ab2\u984c\uff09\u3001<a href=\"https:\/\/youtrack.jetbrains.com\/issues\/?q=project:KT,%20KTIJ%20created:%202020-08-17%20..%20*%20created%20by:%20Turansky\" target=\"_blank\" rel=\"noopener\">Victor Turansky<\/a>\uff0838 \u8ab2\u984c\uff09\u3001<a href=\"https:\/\/youtrack.jetbrains.com\/issues\/?q=project:KT,%20KTIJ%20created:%202020-08-17%20..%20*%20created%20by:%20jsjeon\" target=\"_blank\" rel=\"noopener\">Jinseong Jeon<\/a>\uff0835 \u8ab2\u984c\uff09\u3001<a href=\"https:\/\/youtrack.jetbrains.com\/issues\/?q=project:KT,%20KTIJ%20created:%202020-08-17%20..%20*%20created%20by:%20hzsweers\" target=\"_blank\" rel=\"noopener\">Zac Sweers<\/a>\uff0825 \u8ab2\u984c\uff09\u3001<a href=\"https:\/\/youtrack.jetbrains.com\/issues\/?q=project:KT,%20KTIJ%20created:%202020-08-17%20..%20*%20created%20by:%20l.wasylkowski\" target=\"_blank\" rel=\"noopener\">\u0141ukasz Wasylkowski<\/a>\uff0822 \u8ab2\u984c\uff09\u3001<a href=\"https:\/\/youtrack.jetbrains.com\/issues\/?q=project:KT,%20KTIJ%20created:%202020-08-17%20..%20*%20created%20by:%20him188\" target=\"_blank\" rel=\"noopener\">Tianyi Guan<\/a>\uff0821 \u8ab2\u984c\uff09\u3001<a href=\"https:\/\/youtrack.jetbrains.com\/issues\/?q=project:KT,%20KTIJ%20created:%202020-08-17%20..%20*%20created%20by:%20globalmatador\" target=\"_blank\" rel=\"noopener\">Christoph Sturm<\/a>\uff0820 \u8ab2\u984c\uff09\u3001<a href=\"https:\/\/youtrack.jetbrains.com\/issues\/?q=project:KT,%20KTIJ%20created:%202020-08-17%20..%20*%20created%20by:%20axel.2\" target=\"_blank\" rel=\"noopener\">Axel Fontaine<\/a>\uff0819 \u8ab2\u984c\uff09\u3001<a href=\"https:\/\/youtrack.jetbrains.com\/issues\/?q=project:KT,%20KTIJ%20created:%202020-08-17%20..%20*%20created%20by:%20darksnake\" target=\"_blank\" rel=\"noopener\">Alexander Nozik<\/a>\uff0818 \u8ab2\u984c\uff09\u3001<a href=\"https:\/\/youtrack.jetbrains.com\/issues\/?q=project:KT,%20KTIJ%20created:%202020-08-17%20..%20*%20created%20by:%20Robert_Stoll\" target=\"_blank\" rel=\"noopener\">Robert Stoll<\/a>\uff0818 \u8ab2\u984c\uff09\u3001<a href=\"https:\/\/youtrack.jetbrains.com\/issues\/?q=project:KT,%20KTIJ%20created:%202020-08-17%20..%20*%20created%20by:%20Vampire\" target=\"_blank\" rel=\"noopener\">Bj\u00f6rn Kautler<\/a>\uff0818 \u8ab2\u984c\uff09\u3001<a href=\"https:\/\/youtrack.jetbrains.com\/issues\/?q=project:KT,%20KTIJ%20created:%202020-08-17%20..%20*%20created%20by:%20TWiStErRob\" target=\"_blank\" rel=\"noopener\">R\u00f3bert Papp<\/a>\uff0814 \u8ab2\u984c\uff09\u3001<a href=\"https:\/\/youtrack.jetbrains.com\/issues\/?q=project:KT,%20KTIJ%20created:%202020-08-17%20..%20*%20created%20by:%20gamalik\" target=\"_blank\" rel=\"noopener\">Andreas Malik<\/a>\uff0814 \u8ab2\u984c\uff09\u3001<a href=\"https:\/\/youtrack.jetbrains.com\/issues\/?q=project:KT,%20KTIJ%20created:%202020-08-17%20..%20*%20created%20by:%20lorenzo.neumann\" target=\"_blank\" rel=\"noopener\">Lorenzo Neumann<\/a>\uff0814 \u8ab2\u984c\uff09\u3001<a href=\"https:\/\/youtrack.jetbrains.com\/issues\/?q=project:KT,%20KTIJ%20created:%202020-08-17%20..%20*%20created%20by:%20postovalovya\" target=\"_blank\" rel=\"noopener\">Iaroslav Postovalov<\/a>\uff0814 \u8ab2\u984c\uff09<\/p>\n<hr \/>\n<p><a href=\"https:\/\/blog.jetbrains.com\/kotlin\/2021\/05\/kotlin-1-5-0-released\/#how-to-install\">Kotlin 1.5.0 \u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb<\/a>\u3057\u3066\u3001<a href=\"https:\/\/pages.jetbrains.com\/kotlin-online-event-2021\" target=\"_blank\" rel=\"noopener\">Kotlin 1.5 \u30aa\u30f3\u30e9\u30a4\u30f3\u30a4\u30d9\u30f3\u30c8\u306b\u3054\u767b\u9332\u304f\u3060\u3055\u3044<\/a>\uff01<\/p>\n\n\n<p><\/p>\n","protected":false},"author":811,"featured_media":138431,"comment_status":"closed","ping_status":"closed","template":"","categories":[907],"tags":[671],"cross-post-tag":[],"acf":[],"_links":{"self":[{"href":"https:\/\/blog.jetbrains.com\/ja\/wp-json\/wp\/v2\/kotlin\/141577"}],"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\/811"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.jetbrains.com\/ja\/wp-json\/wp\/v2\/comments?post=141577"}],"version-history":[{"count":10,"href":"https:\/\/blog.jetbrains.com\/ja\/wp-json\/wp\/v2\/kotlin\/141577\/revisions"}],"predecessor-version":[{"id":141610,"href":"https:\/\/blog.jetbrains.com\/ja\/wp-json\/wp\/v2\/kotlin\/141577\/revisions\/141610"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blog.jetbrains.com\/ja\/wp-json\/wp\/v2\/media\/138431"}],"wp:attachment":[{"href":"https:\/\/blog.jetbrains.com\/ja\/wp-json\/wp\/v2\/media?parent=141577"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.jetbrains.com\/ja\/wp-json\/wp\/v2\/categories?post=141577"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.jetbrains.com\/ja\/wp-json\/wp\/v2\/tags?post=141577"},{"taxonomy":"cross-post-tag","embeddable":true,"href":"https:\/\/blog.jetbrains.com\/ja\/wp-json\/wp\/v2\/cross-post-tag?post=141577"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}