{"id":185928,"date":"2021-08-25T10:15:15","date_gmt":"2021-08-25T09:15:15","guid":{"rendered":"https:\/\/blog.jetbrains.com\/kotlin\/2021\/08\/kotlin-1-5-30-released\/"},"modified":"2021-10-13T09:53:27","modified_gmt":"2021-10-13T08:53:27","slug":"kotlin-1-5-30-released","status":"publish","type":"kotlin","link":"https:\/\/blog.jetbrains.com\/zh-hans\/kotlin\/2021\/08\/kotlin-1-5-30-released\/","title":{"rendered":"Kotlin 1.5.30 \u73b0\u5df2\u53d1\u5e03\uff01"},"content":{"rendered":"\n<p>Kotlin 1.5.30\u662fKotlin 1.6.0 \u4e4b\u524d\u7684\u6700\u540e\u4e00\u4e2a\u589e\u91cf\u7248\u672c\uff0c\u5b83\u5305\u542b\u8bb8\u591a\u8ba1\u5212\u5728Kotlin 1.6.0\u53d1\u5e03\u7684\u5b9e\u9a8c\u6027\u8bed\u6cd5\u548c\u6807\u51c6\u5e93\u7279\u6027\u3002 \u8bf7\u5c1d\u8bd5\u8fd9\u4e9b\u65b0\u7684\u529f\u80fd\u5e76\u53cd\u9988\u7ed9\u6211\u4eec\uff0c\u60a8\u5b9d\u8d35\u7684\u5efa\u8bae\u5c06\u4f1a\u5f71\u54cd\u6700\u7ec8\u7684\u7ed3\u679c! \u8fd9\u4e9b\u5b9e\u9a8c\u6027\u529f\u80fd\u5305\u62ec\u4e86, \u5bc6\u5c01\u7684 when \u8bed\u53e5\u3001\u8981\u6c42(Opt-In) \u7684\u53d8\u5316\u3001\u6ce8\u89e3\u7c7b\u7684\u5b9e\u4f8b\u5316, \u4ee5\u53ca Duration(\u65f6\u95f4) API \u548c Regex(\u6b63\u5219) API \u7684\u53d8\u5316\uff0c\u7b49\u7b49\u3002<\/p>\n\n\n\n<p>\u5728Kotlin 1.5.30\u4e2d\uff0c\u4f60\u53ef\u4ee5\u4eab\u53d7\u5bf9 Apple silicon \u7684\u539f\u751f\u652f\u6301\u3001Kotlin\/JS IR \u540e\u7aef\u664b\u5347\u4e3aBeta\u7248\u3001\u5e76\u4e14\u80fd\u591f\u5728\u591a\u5e73\u53f0\u5e94\u7528\u7a0b\u5e8f\u7684\u5171\u4eab\u539f\u751f\u4ee3\u7801\u4e2d\u4f7f\u7528\u81ea\u5b9a\u4e49 cinterop \u5e93\uff0cKotlin Gradle \u63d2\u4ef6\u65b0\u589e\u4e86\u5bf9 Java \u5de5\u5177\u94fe\u7684\u652f\u6301\uff0c\u7b49\u7b49\u3002<\/p>\n\n\n\n<p align=\"center\"><a class=\"ek-link jb-download-button\" title=\"Update to Kotlin 1.5.30\" href=\"https:\/\/blog.jetbrains.com\/kotlin\/2021\/08\/kotlin-1-5-30-released\/#how-to-install\">Update to Kotlin 1.5.30<\/a><\/p>\n\n\n\n<p>\u8fd9\u7bc7\u535a\u6587\u6982\u8ff0\u4e86\u8fd9\u4e2a\u7248\u672c\u7684\u66f4\u65b0\uff1a<\/p>\n\n\n\n<ul><li><a href=\"https:\/\/blog.jetbrains.com\/kotlin\/2021\/08\/kotlin-1-5-30-released\/#language\">\u8bed\u8a00\u6539\u8fdb<\/a>\uff0c\u5305\u62ec\u5bc6\u5c01\u7684&nbsp;<code>when<\/code>&nbsp;\u8bed\u53e5\u3001\u652f\u6301 \u4ee5 <code>suspend<\/code> \u51fd\u6570\u4e3a\u7236\u7c7b\uff0c\u4ee5\u53ca\u8981\u6c42 (Opt-In) \u7684\u53d8\u5316\u3002<\/li><li><a href=\"https:\/\/blog.jetbrains.com\/kotlin\/2021\/08\/kotlin-1-5-30-released\/#multiplatform\">\u591a\u5e73\u53f0\u6539\u8fdb<\/a>\uff0c\u5305\u62ec\u4e86\u80fd\u591f\u5728\u5171\u4eab\u7684 Kotlin Native \u4ee3\u7801\u4e2d\u4f7f\u7528\u81ea\u5b9a\u4e49&nbsp;<code>cinterop<\/code>&nbsp;\u5e93\uff0c\u4ee5\u53ca\u652f\u6301 XCFrameworks \u4f5c\u4e3a\u8f93\u51fa\u683c\u5f0f\u3002<\/li><li><a href=\"https:\/\/blog.jetbrains.com\/kotlin\/2021\/08\/kotlin-1-5-30-released\/#kotlin-jvm\">Kotlin\/JVM\u6539\u8fdb<\/a>\uff0c\u5305\u62ec\u6ce8\u91ca\u7c7b\u7684\u5b9e\u4f8b\u5316\u3001\u65b0\u589e\u4e86\u5bf9\u7a7a\u6ce8\u91ca\u7684\u914d\u7f6e\u3002<\/li><li><a href=\"https:\/\/blog.jetbrains.com\/kotlin\/2021\/08\/kotlin-1-5-30-released\/#kotlin-native\">Kotlin\/Native\u6539\u8fdb<\/a>\uff0c\u5305\u62ec\u5bf9 Apple silicon \u7684\u672c\u5730\u652f\u6301\u548c\u4ee5\u53ca\u9488\u5bf9 CocoaPods Gradle \u63d2\u4ef6\u7684\u6539\u8fdb\u7684 Kotlin DSL\u3002<\/li><li><a href=\"https:\/\/blog.jetbrains.com\/kotlin\/2021\/08\/kotlin-1-5-30-released\/#kotlin-js\">Kotlin\/JS IR\u7684\u6539\u8fdb<\/a>\uff0c\u5305\u62ec\u5c06 JS IR \u540e\u7aef\u664b\u5347\u4e3a Beta \u7248\uff0c\u5e76\u4e3a\u65b0\u540e\u7aef\u63d0\u4f9b\u66f4\u597d\u7684\u8c03\u8bd5\u4f53\u9a8c\u3002<\/li><li><a href=\"https:\/\/blog.jetbrains.com\/kotlin\/2021\/08\/kotlin-1-5-30-released\/#gradle\" class=\"ek-link\">Gradle \u7684\u6539\u8fdb<\/a>\uff0c\u5305\u62ec\u5bf9 Java \u5de5\u5177\u94fe\u7684\u652f\u6301\u548c\u66f4\u7b80\u5355\u5730\u4e3a Kotlin \u5b88\u62a4\u8fdb\u7a0b\u8bbe\u7f6e JVM \u53c2\u6570\u7684\u65b9\u5f0f\u3002<\/li><li><a href=\"https:\/\/blog.jetbrains.com\/kotlin\/2021\/08\/kotlin-1-5-30-released\/#stdlib\">\u6807\u51c6\u5e93\u7684\u6539\u8fdb<\/a>&nbsp;\uff0c&nbsp;<code>Duration<\/code>(\u65f6\u95f4) API and&nbsp;<code>Regex<\/code>(\u6b63\u5219) API\u3002<\/li><\/ul>\n\n\n\n<!--more-->\n\n\n\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\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"What&#039;s new in Kotlin 1.5.30\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/rNbb3A9IdOo?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n<p><iframe loading=\"lazy\" frameborder=\"0\" width=\"640\" height=\"498\" src=\"https:\/\/v.qq.com\/txp\/iframe\/player.html?vid=x3279mkcje0\" style=\"width:100%;border:none;\" allowfullscreen=\"\"><\/iframe><\/p>\n\n\n<h2 class=\"wp-block-heading\">\u81ea\u52a8\u5347\u7ea7\u81f3 Kotlin 1.5.30<\/h2>\n\n\n\n<p>\u5982\u679c\u60a8\u4f7f\u7528\u7684\u662f&nbsp;<a href=\"https:\/\/www.jetbrains.com\/idea\/download\/\" target=\"_blank\" rel=\"noopener\">IntelliJ IDEA<\/a>&nbsp;\u6216&nbsp;<a href=\"https:\/\/developer.android.com\/studio\" target=\"_blank\" rel=\"noopener\">Android Studio<\/a>\uff0c\u60a8\u53ef\u4ee5\u901a\u8fc7\u63d0\u4f9b\u7684\u9009\u9879\u5728\u7b2c\u4e00\u65f6\u95f4\u5185\u81ea\u52a8\u66f4\u65b0\u81f3\u6700\u65b0\u7248\u672c\u3002<\/p>\n\n\n\n<p>\u4e86\u89e3\u66f4\u591a\u6709\u5173<a href=\"https:\/\/blog.jetbrains.com\/kotlin\/2021\/08\/kotlin-1-5-30-released\/#how-to-install\">Kotlin 1.5.30 \u5b89\u88c5<\/a>\u7684\u4fe1\u606f\u3002<\/p>\n\n\n\n<div style=\"background-color: #f1f6fe; margin-bottom: 2px; padding: 5px; margin-right: 0%; text-align: left; min-height: px;\">\n<p><b>Note:<\/b> the latest version of IntelliJ IDEA \u2013 2021.2 \u2013 doesn\u2019t support Kotlin 1.5.30. If you have already upgraded, you can easily install IntelliJ IDEA 2021.1 using the JetBrains <a href=\"https:\/\/www.jetbrains.com\/toolbox-app\/\" target=\"_blank\" rel=\"noopener\">Toolbox App<\/a> and use Kotlin 1.5.30 in that version, or you can wait for the Kotlin 1.5.31 bug-fix release.<\/p>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"language\">\u8bed\u8a00<\/h2>\n\n\n\n<p>Kotlin \u8def\u7ebf\u56fe\u5305\u62ec\u589e\u52a0\u5bf9\u5bc6\u5c01\u7c7b\u7684 when \u8bed\u53e5\u7684\u652f\u6301\uff0c\u53d1\u5e03\u8981\u6c42(Opt-In) \u6ce8\u91ca\uff0c\u4f18\u5316\u81ea\u52a8\u7c7b\u578b\u63a8\u7406\uff0c\u4ee5\u53ca\u7a33\u5b9a Builder \u7684\u63a8\u7406\u3002<br>Kotlin 1.5.30 \u63d0\u4f9b\u4e86\u8fd9\u4e9b\u529f\u80fd\u7684\u9884\u89c8\uff0c\u8ba1\u5212\u5728 1.6.0 \u4e2d\u53d1\u5e03\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5bc6\u5c01\u7c7b\u7684&nbsp;<code>when<\/code>&nbsp;\u8bed\u53e5<\/h3>\n\n\n\n<p>\u5bc6\u5c01\u7c7b\u7684&nbsp;<code>when<\/code>&nbsp;\u662f\u4e00\u4e2a\u671f\u5f85\u5df2\u4e45\u7684\u529f\u80fd\uff0c\u5b83\u5728 YouTrack \u4e0a\u6709\u591a\u8fbe 280 \u5f20\u6295\u7968\u3002&nbsp;\u5982\u679c\u60a8&nbsp;<a href=\"https:\/\/kotlinlang.org\/docs\/whatsnew1530.html#exhaustive-when-statements-for-sealed-and-boolean-subjects\" target=\"_blank\" rel=\"noopener\">\u5728 1.5.30<\/a>\u4e2d\u542f\u7528\u6b64\u529f\u80fd\uff0c\u5f53<code>when<\/code>\u8bed\u53e5\u6ca1\u6709\u8986\u76d6\u5168\u9762\uff0cKotlin \u7f16\u8bd1\u5668\u5c06\u4f1a\u8b66\u544a\u60a8 \u3002&nbsp;\u8fd9\u5c06\u4f7f\u60a8\u7684\u4ee3\u7801\u66f4\u5b89\u5168\uff0c\u5e76\u4e14\u65e0\u9700\u5f15\u5165\u81ea\u5df1\u7684\u529f\u80fd\u3002<\/p>\n\n\n\n<p>\u8bf7\u5c1d\u8bd5\u8fd9\u4e2a\u529f\u80fd\uff0c\u5e76\u5728\u6b64<a href=\"https:\/\/youtrack.jetbrains.com\/issue\/KT-12380\" target=\"_blank\" rel=\"noopener\">YouTrack Ticket<\/a>\u4e2d\u63d0\u4f9b\u53cd\u9988\u3002&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u652f\u6301\u7236\u7c7b\u578b&nbsp;<code>\u6302\u8d77<\/code>&nbsp;\u51fd\u6570<\/h3>\n\n\n\n<p>Kotlin 1.5.30 \u63d0\u4f9b\u4e86\u5c06&nbsp;<code>\u6302\u8d77<\/code>&nbsp;\u51fd\u6570\u7c7b\u578b\u4f5c\u4e3a\u7236\u7ea7\u63a5\u53e3\u7684\u9884\u89c8\uff0c\u5c3d\u7ba1\u5b83<a href=\"https:\/\/kotlinlang.org\/docs\/whatsnew1530.html#suspending-functions-as-supertypes\" target=\"_blank\" rel=\"noopener\">\u8fd8\u6709\u4e00\u4e9b\u9650\u5236<\/a>\u3002&nbsp;\u5b83\u662fKotlin\u534f\u7a0b\u8bbe\u8ba1\u91cc\u672a\u5b9e\u73b0\u7684\u4e00\u90e8\u5206\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"><\/pre>\n\n\n\n<pre class=\"kotlin-code\" data-highlight-only=\"true\" theme=\"idea\" indent=\"4\" style=\"visibility: hidden; padding: 36px 0;\">\nclass MyClass: suspend () -&gt; Unit {\n    override suspend fun invoke() { TODO() }\n}\n<\/pre>\n\n\n\n<p><a href=\"https:\/\/kotlinlang.org\/docs\/whatsnew1530.html#suspending-functions-as-supertypes\" target=\"_blank\" rel=\"noopener\">\u542f\u7528\u8fd9\u4e2a\u7279\u6027<\/a>\uff0c\u5c1d\u8bd5\u4e00\u4e0b\u5e76\u63d0\u4f9b\u60a8\u7684\u53cd\u9988\uff0c&nbsp;<a href=\"https:\/\/youtrack.jetbrains.com\/issue\/kt-18707\" target=\"_blank\" rel=\"noopener\">\u8fd9\u662fYouTrack\u7684\u4f20\u9001\u95e8<\/a>\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5bf9\u4e8e opt-in \u8981\u6c42\u7684\u6539\u53d8<\/h3>\n\n\n\n<p><a href=\"https:\/\/youtrack.jetbrains.com\/issue\/KT-22956\" class=\"ek-link\" target=\"_blank\" rel=\"noopener\">opt-in \u6ce8\u89e3<\/a>\u66f4\u52a0\u63a5\u8fd1 release \u4e86\uff0cKotlin 1.5.30 \u5e26\u6765\u4e86:<\/p>\n\n\n\n<ul><li>\u9488\u5bf9\u8981\u6c42\u4f7f\u7528\u6216\u58f0\u660e opt-in \u6ce8\u89e3\u7684\u4e0d\u540c\u76ee\u6807\u63d0\u51fa\u4e86<a href=\"https:\/\/kotlinlang.org\/docs\/whatsnew1530.html#changes-to-using-opt-in-requirement-annotations-with-different-targets\" target=\"_blank\" rel=\"noopener\">\u65b0\u89c4\u5219<\/a>&nbsp;<\/li><li>\u5373\u4f7f\u5bf9\u5b9e\u9a8c\u6027 API \u7684\u9690\u5f0f\u4f7f\u7528\u4e5f\u9700\u8981 opt-in\u3002&nbsp;\u4f8b\u5982\uff0c\u5982\u679c\u51fd\u6570\u7684\u8fd4\u56de\u7c7b\u578b\u662f\u88ab\u6807\u8bb0\u4e86\u5b9e\u9a8c\u6027 API \u7684\u5143\u7d20\uff0c\u90a3\u4e48\u4f7f\u7528\u8fd9\u4e2a\u51fd\u6570\u9700\u8981 opt-in\uff0c\u5373\u4fbf\u5b83\u6ca1\u6709\u663e\u5f0f\u58f0\u660e\u9700\u8981 opt-in\u3002<\/li><\/ul>\n\n\n\n<pre class=\"kotlin-code\" data-highlight-only=\"true\" theme=\"idea\" indent=\"4\" style=\"visibility: hidden; padding: 36px 0;\">\n\/\/ Library code\n\n@RequiresOptIn(message = &quot;This API is experimental.&quot;)\n@Retention(AnnotationRetention.BINARY)\n@Target(AnnotationTarget.CLASS)\nannotation class MyDateTime \/\/ Opt-in requirement annotation\n\n@MyDateTime\nclass DateProvider \/\/ A class requiring opt-in\n\n\/\/ Client code\n\n\/\/ Warning: experimental API usage\nfun createDateSource(): DateProvider { \/* ... *\/ }\n\nfun getDate(): Date {\n    val dateSource = createDateSource() \/\/ Also warning: experimental API usage\n    \/\/ ... \n}\n<\/pre>\n\n\n\n<p>\u8bf7\u5c1d\u8bd5\u5e76\u5728<a href=\"https:\/\/youtrack.jetbrains.com\/issue\/KT-22956\" target=\"_blank\" rel=\"noopener\">YouTrack\u7684\u8fd9\u91cc<\/a>\u53cd\u9988\u3002<\/p>\n\n\n\n<p>\u4e86\u89e3\u66f4\u591a\u6709\u5173&nbsp;<a href=\"https:\/\/kotlinlang.org\/docs\/opt-in-requirements.html\" target=\"_blank\" rel=\"noopener\">opt-in\u7684\u8981\u6c42<\/a>\u3002&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u6cdb\u578b\u9012\u5f52\u7c7b\u578b\u63a8\u65ad\u7684\u6539\u8fdb<\/h3>\n\n\n\n<p>\u5f53\u542f\u7528<a href=\"https:\/\/kotlinlang.org\/docs\/whatsnew1530.html#improvements-to-type-inference-for-recursive-generic-types\" target=\"_blank\" rel=\"noopener\">\u6cdb\u578b\u9012\u5f52\u7684\u7c7b\u578b\u63a8\u65ad<\/a>\u540e\uff0c\u53ea\u8981\u5b83\u662f\u6cdb\u578b\u9012\u5f52\uff0cKotlin 1.5.30\u7f16\u8bd1\u5668\u53ef\u901a\u8fc7\u76f8\u5173\u7c7b\u578b\u53c2\u6570\u7684\u4e0a\u754c\u6765\u63a8\u65ad\u53c2\u6570\u7c7b\u578b\u3002&nbsp;\u8fd9\u4f7f\u5f97\u521b\u5efa\u6cdb\u578b\u9012\u5f52\u7684\u5404\u79cd\u6a21\u5f0f\u6210\u4e3a\u53ef\u80fd\uff0c\u8fd9\u4e9b\u6cdb\u578b\u901a\u5e38\u7528\u4e8e Java \u7684\u5efa\u9020\u8005\u6a21\u5f0f API\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"><\/pre>\n\n\n\n<pre class=\"kotlin-code\" data-highlight-only=\"true\" theme=\"idea\" indent=\"4\" style=\"visibility: hidden; padding: 36px 0;\">\n\/\/ Kotlin 1.5.20\nval containerA = PostgreSQLContainer&lt;Nothing&gt;(DockerImageName.parse(&quot;postgres:13-alpine&quot;)).apply {\n    withDatabaseName(&quot;db&quot;)\n    withUsername(&quot;user&quot;)\n    withPassword(&quot;password&quot;)\n    withInitScript(&quot;sql\/schema.sql&quot;)\n}\n\n\/\/ Kotlin 1.5.30\nval containerB = PostgreSQLContainer(DockerImageName.parse(&quot;postgres:13-alpine&quot;))\n    .withDatabaseName(&quot;db&quot;)\n    .withUsername(&quot;user&quot;)\n    .withPassword(&quot;password&quot;)\n    .withInitScript(&quot;sql\/schema.sql&quot;)\n<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u6d88\u5efa\u9020\u8005\u6a21\u5f0f\u63a8\u65ad\u9650\u5236\u7684\u6d88\u9664<\/h3>\n\n\n\n<p>\u968f\u7740<a href=\"https:\/\/kotlinlang.org\/docs\/whatsnew1530.html#eliminating-builder-inference-restrictions\" target=\"_blank\" rel=\"noopener\">\u6d88\u9664\u5efa\u9020\u8005\u6a21\u5f0f\u63a8\u65ad\u9650\u5236<\/a>\u7684\u542f\u7528\uff0cKotlin 1.5.30\u79fb\u9664\u4e86\u5bf9\u5efa\u9020\u8005\u6a21\u5f0f\u7684\u63a8\u65ad\u9650\u5236\u3002&nbsp;\u60a8\u4e0d\u4ec5\u53ef\u4ee5\u6307\u5b9a\u5efa\u9020\u8005\u53ef\u4ee5\u63a8\u65ad\u7684\u7c7b\u578b\u4fe1\u606f\uff0c\u8fd8\u53ef\u4ee5\u4f7f\u7528&nbsp;<code>get<\/code>&nbsp;\u51fd\u6570\u3002&nbsp;\u4f8b\u5982\uff0c\u60a8\u53ef\u4ee5\u5728&nbsp;<code>buildList()<\/code>&nbsp;\u7684 lambda \u53c2\u6570\u4e2d\u8c03\u7528&nbsp;<a href=\"https:\/\/kotlinlang.org\/api\/latest\/jvm\/stdlib\/kotlin.collections\/-list\/get.html\" target=\"_blank\" rel=\"noopener\"><code>get()<\/code><\/a>&nbsp;\uff0c\u800c\u65e0\u9700\u663e\u5f0f\u6307\u5b9a\u5176\u7c7b\u578b\u53c2\u6570\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"multiplatform\">Kotlin Multiplatform<\/h2>\n\n\n\n<p>Kotlin 1.5.30 \u5305\u542b\u4e86Kotlin Multiplatform\u7684\u4ee5\u4e0b\u6539\u8fdb\uff1a<\/p>\n\n\n\n<ul><li><a href=\"https:\/\/kotlinlang.org\/docs\/whatsnew1530.html#ability-to-use-custom-cinterop-libraries-in-shared-native-code\" target=\"_blank\" rel=\"noopener\">\u5728\u5171\u4eab\u7684\u539f\u751f\u4ee3\u7801\u4e2d\u4f7f\u7528\u5b9a\u5236&nbsp;<code>cinterop<\/code>&nbsp;\u5e93\u7684\u80fd\u529b<\/a>\uff0c\u4ece\u800c\u6269\u5c55\u4e86Kotlin\/Native\u9644\u5e26\u7684\u5e73\u53f0\u4f9d\u8d56\u5e93\u7684\u80fd\u529b\u3002&nbsp;<\/li><li>\u6240\u6709Kotlin\u8de8\u5e73\u53f0\u9879\u76ee<a href=\"https:\/\/kotlinlang.org\/docs\/whatsnew1530.html#support-for-xcframeworks\" target=\"_blank\" rel=\"noopener\">\u652f\u6301\u4ee5XCFrameworks<\/a>&nbsp;\u4f5c\u4e3a\u8f93\u51fa\u683c\u5f0f\u3002&nbsp;XCFrameworks \u52a9\u529b\u4e8e\u6536\u96c6\u72ec\u7acb\u6346\u7ed1\u5305\u4e2d\u6240\u6709\u76ee\u6807\u5e73\u53f0\u548c\u67b6\u6784\u7684\u903b\u8f91\uff0c\u5e76\u4e14\u5728\u53d1\u5e03\u5e94\u7528\u7a0b\u5e8f\u5230\u5e94\u7528\u5546\u5e97\u4e4b\u524d\uff0c\u4e0d\u8981\u6c42\u5220\u9664\u4e0d\u9700\u8981\u7684\u67b6\u6784\u3002<\/li><li><a href=\"https:\/\/kotlinlang.org\/docs\/whatsnew1530.html#new-default-publishing-setup-for-android-artifacts\" target=\"_blank\" rel=\"noopener\">\u5b89\u5353\u5de5\u4ef6\u65b0\u7684\u9ed8\u8ba4\u53d1\u5e03\u914d\u7f6e<\/a>\u3002&nbsp;\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u8be5\u914d\u7f6e\u4e0e\u6240\u6709\u6784\u5efa\u7c7b\u578b(\u5982&nbsp;<code>debug<\/code>&nbsp;\u6216&nbsp;<code>release<\/code>) \u517c\u5bb9\u3002&nbsp;\u57281.5.30\u4ee5\u524d\uff0c\u5f53\u9700\u8981\u53d1\u5e03Android\u591a\u5e73\u53f0\u5e93\uff0c<a href=\"https:\/\/docs.gradle.org\/current\/userguide\/publishing_gradle_module_metadata.html\" target=\"_blank\" rel=\"noopener\">metadata<\/a>\u7531<code>maven-publish<\/code>&nbsp;Gradle\u63d2\u4ef6\u751f\u6210\uff0c\u5176\u5305\u542b\u4e86\u6bcf\u4e2a\u6240\u53d1\u5e03Android\u53d8\u4f53\u7684\u6784\u5efa\u7c7b\u578b\u503c\u3002&nbsp;\u8fd9\u5bfc\u81f4\u5e93\u7684\u7528\u6237\u53ea\u80fd\u4f7f\u7528\u76f8\u540c\u7684\u6784\u5efa\u7c7b\u578b\u3002&nbsp;<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"kotlin-jvm\">Kotlin\/JVM<\/h2>\n\n\n\n<p>\u5728Kotlin1.5.30\uff0cKotlin\/JVM\u83b7\u5f97\u4e86\u4ee5\u4e0b\u66f4\u65b0:<\/p>\n\n\n\n<ul><li><a href=\"https:\/\/kotlinlang.org\/docs\/whatsnew1530.html#improved-nullability-annotation-support-configuration\" target=\"_blank\" rel=\"noopener\">\u6539\u8fdb\u4e86\u53ef\u7a7a\u6ce8\u89e3\u7684\u652f\u6301\u914d\u7f6e\u9879<\/a>\u3002&nbsp;\u60a8\u53ef\u4ee5\u6839\u636e\u7279\u5b9a\u7c7b\u578b\u53ef\u7a7a\u6ce8\u89e3\u4e2d\u7684\u914d\u7f6e\u6307\u5b9a\u7f16\u8bd1\u5668\u662f\u5426\u62a5\u544a\u672a\u5339\u914d\u7684\u7a7a\u503c\u3002&nbsp;\u4e86\u89e3\u5982\u4f55&nbsp;<a href=\"https:\/\/kotlinlang.org\/docs\/whatsnew1530.html#improved-nullability-annotation-support-configuration\" target=\"_blank\" rel=\"noopener\">\u542f\u7528\u8fd9\u4e2a\u6539\u8fdb&nbsp;<\/a>\uff0c\u5e76\u67e5\u770b<a href=\"https:\/\/kotlinlang.org\/docs\/java-interop.html#nullability-annotations\" target=\"_blank\" rel=\"noopener\">\u53ef\u7a7a\u6ce8\u89e3\u6240\u652f\u6301\u7684\u5b8c\u6574\u5217\u8868&nbsp;<\/a>\uff0c\u8be5\u6ce8\u89e3\u6269\u5c55\u81ea RxJava3 \u7684\u6ce8\u89e3\u3002&nbsp;<\/li><li>\u6ce8\u89e3\u7c7b\u7684&nbsp;<a href=\"https:\/\/kotlinlang.org\/docs\/whatsnew1530.html#instantiation-of-annotation-classes\" target=\"_blank\" rel=\"noopener\">\u5b9e\u4f8b\u5316<\/a>\u3002&nbsp;\u5982\u679c\u60a8&nbsp;<a href=\"https:\/\/kotlinlang.org\/docs\/whatsnew1530.html#instantiation-of-annotation-classes\" class=\"ek-link\" target=\"_blank\" rel=\"noopener\">\u542f\u7528\u8fd9\u4e2a\u7279\u6027<\/a>\uff0c\u60a8\u53ef\u4ee5\u5728\u4efb\u610f\u4ee3\u7801\u4e2d\u8c03\u7528<a href=\"https:\/\/kotlinlang.org\/docs\/annotations.html\" target=\"_blank\" rel=\"noopener\">\u6ce8\u89e3\u7c7b<\/a>\u7684\u6784\u9020\u65b9\u6cd5\u4ee5\u83b7\u5f97\u5176\u5b9e\u4f8b\u3002&nbsp;\u8be5\u7279\u6027\u8986\u76d6\u4e86Java\u89c4\u8303\u76f8\u540c\u7684\u7528\u4f8b\uff0c\u5141\u8bb8\u5b9e\u73b0\u6ce8\u89e3\u63a5\u53e3\u3002&nbsp;\u9605\u8bfb<a href=\"https:\/\/github.com\/Kotlin\/KEEP\/blob\/master\/proposals\/annotation-instantiation.md\" target=\"_blank\" rel=\"noopener\">\u8fd9\u4e2aKEEP<\/a>\u4e86\u89e3\u66f4\u591a\u5173\u4e8e\u6ce8\u89e3\u7c7b\u7684\u5b9e\u4f8b\u5316\u3002<\/li><\/ul>\n\n\n\n<pre class=\"kotlin-code\" data-highlight-only=\"true\" theme=\"idea\" indent=\"4\" style=\"visibility: hidden; padding: 36px 0;\">\nannotation class InfoMarker(val info: String)\n\nfun processInfo(marker: InfoMarker) = ...\n\nfun main(args: Array&lt;String&gt;) {\n    if (args.size != 0)\n        processInfo(getAnnotationReflective(args))\n    else\n        processInfo(InfoMarker(&quot;default&quot;))\n}\n<\/pre>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"kotlin-native\">Kotlin\/Native<\/h2>\n\n\n\n<p>Kotlin 1.5.30\u63d0\u4f9b\u4e86\u5bf9Kotlin\/Native\u7684\u5982\u4e0b\u6539\u8fdb:<\/p>\n\n\n\n<ul><li><a href=\"https:\/\/kotlinlang.org\/docs\/whatsnew1530.html#apple-silicon-support\" target=\"_blank\" rel=\"noopener\">\u5bf9\u82f9\u679csilicon\u7684\u539f\u751f\u652f\u6301<\/a>&nbsp;\u73b0\u5728\u60a8\u53ef\u4ee5\u5728\u82f9\u679csilicon\u786c\u4ef6\u4e0a\uff0c\u4e3a\u57fa\u4e8e\u82f1\u7279\u5c14\u7684Mac\u4e0a\u652f\u6301\u7684\u6240\u6709\u76ee\u6807\u6784\u5efa\u5e94\u7528\uff0c\u800c\u65e0\u9700\u4f7f\u7528&nbsp;<a href=\"https:\/\/developer.apple.com\/documentation\/apple-silicon\/about-the-rosetta-translation-environment\" target=\"_blank\" rel=\"noopener\">\u8f6c\u8bd1\u6a21\u5f0f<\/a>\u3002&nbsp;New targets introduced in 1.5.30 \u2013&nbsp;<code>macosArm64<\/code>,&nbsp;<code>iosSimulatorArm64<\/code>,&nbsp;<code>watchosSimulatorArm64<\/code>, and&nbsp;<code>tvosSimulatorArm64<\/code>&nbsp;\u2013 make it possible to run Kotlin code on Apple silicon natively.&nbsp;<\/li><li><a href=\"https:\/\/kotlinlang.org\/docs\/whatsnew1530.html#improved-kotlin-dsl-for-the-cocoapods-gradle-plugin\" target=\"_blank\" rel=\"noopener\">\u6539\u5584CocoaPods Gradle\u63d2\u4ef6\u7684Kotlin DSL<\/a>&nbsp;Kotlin 1.5.30\u901a\u8fc7\u4e3a\u6846\u67b6\u63d0\u4f9b\u4e00\u79cd\u65b0\u7684DSL\u683c\u5f0f\u6765\u6539\u8fdbCocoaPods\u914d\u7f6e\uff0c\u8fd9\u79cd\u683c\u5f0f\u4e0e\u82f9\u679c\u76ee\u6807\u7684\u6846\u67b6\u5b9a\u4e49\u4e00\u81f4\u3002&nbsp;\u60a8\u53ef\u4ee5\u5b9a\u5236\u5b83\u662f\u9759\u6001\u7c7b\u578b\u8fd8\u662f\u52a8\u6001\u7c7b\u578b\uff0c\u652f\u6301\u663e\u5f0f\u5bfc\u51fa\u4f9d\u8d56\u9879\u548cBitcode\u5d4c\u5165\uff0c\u5e76\u914d\u7f6e\u5176\u4ed6\u9009\u9879\u3002<\/li><li><a href=\"https:\/\/kotlinlang.org\/docs\/whatsnew1530.html#experimental-interoperability-with-swift-5-5-async-await\" target=\"_blank\" rel=\"noopener\">\u548cSwift 5.5 async\/await\u7684\u4e92\u64cd\u4f5c\u6027\u5b9e\u9a8c\u3002<\/a>\u4e86\u89e3\u66f4\u591aSwift 5.5\u4e92\u64cd\u4f5c\u6027\u7684\u5f53\u524d\u72b6\u6001\uff0c\u5e76<a href=\"https:\/\/youtrack.jetbrains.com\/issue\/KT-47610\" target=\"_blank\" rel=\"noopener\">\u5728YouTrack issue<\/a>\u7559\u4e0b\u4f60\u7684\u53cd\u9988 \u3002<\/li><li><a href=\"https:\/\/kotlinlang.org\/docs\/whatsnew1530.html#deprecation-of-linkage-against-dlls-without-import-libraries-for-mingw-targets\" target=\"_blank\" rel=\"noopener\">\u6ca1\u6709\u5bfc\u5165 MinGW(Windows) \u5e93\u7684\u60c5\u51b5\u4e0b\uff0c<\/a>&nbsp;\u4e0e DLL \u7684\u8054\u7cfb\u88ab\u5f03\u7528\u3002&nbsp;\u8be5\u5f03\u7528\u662f\u5207\u6362\u5230&nbsp;<a href=\"https:\/\/lld.llvm.org\/\" target=\"_blank\" rel=\"noopener\">LLD\u94fe\u63a5\u5668<\/a>\u7684\u7ed3\u679c\uff0c\u5177\u6709\u66f4\u597d\u7684\u6027\u80fd\u548c\u5176\u4ed6\u6539\u8fdb\u3002&nbsp;\u8bf7\u968f\u65f6\u5206\u4eab\u60a8\u7684\u60f3\u6cd5\u548c\u5728<a href=\"https:\/\/youtrack.jetbrains.com\/issue\/KT-47605\" target=\"_blank\" rel=\"noopener\">\u8fd9\u4e2aYouTrack issue<\/a>\u5bf9LLD\u94fe\u63a5\u5668\u8fc7\u6e21\u7684\u5173\u5fc3 \u3002<\/li><li><a href=\"https:\/\/kotlinlang.org\/docs\/whatsnew1530.html#improved-swift-objective-c-mapping-for-objects-and-companion-objects\" target=\"_blank\" rel=\"noopener\">\u6539\u5584\u4e86\u4f34\u751f\u5bf9\u8c61\u548cSwift\/Objective-C\u5bf9\u8c61\u7684\u6620\u5c04<\/a>\u3002&nbsp;\u73b0\u5728\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528&nbsp;<code>.shared<\/code>&nbsp;\u548c&nbsp;<code>.companion<\/code>&nbsp;\u5c5e\u6027\u6765\u66f4\u76f4\u89c2\u5730\u8bbf\u95ee\u5bf9\u8c61\u548c\u4f34\u751f\u5bf9\u8c61\u3002&nbsp;<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"kotlin-js\">Kotlin\/JS<\/h2>\n\n\n\n<p>Kotlin 1.5.30\u4e3aKotlin\/JS\u5e26\u6765\u4e86\u5982\u4e0b\u6539\u8fdb:<\/p>\n\n\n\n<ul><li><a href=\"https:\/\/kotlinlang.org\/docs\/whatsnew1530.html#js-ir-compiler-backend-reaches-beta\" target=\"_blank\" rel=\"noopener\">JS IR \u7f16\u8bd1\u5668\u540e\u7aef\u5df2Beta<\/a>\u3002&nbsp;\u4e3a\u4e86\u8ba9\u8fc1\u79fb\u5230\u65b0\u7684\u540e\u7aef\u66f4\u7b80\u6613\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528<a href=\"https:\/\/kotlinlang.org\/docs\/js-ir-migration.html\" target=\"_blank\" rel=\"noopener\">\u8fc1\u79fb\u6307\u5357<\/a>\u548c\u65b0\u7684&nbsp;<a href=\"https:\/\/plugins.jetbrains.com\/plugin\/17183-kotlin-js-inspection-pack\/\" target=\"_blank\" rel=\"noopener\">Kotlin\/JS Inspection Pack IDE \u63d2\u4ef6<\/a>\uff0c\u5f15\u5bfc\u60a8\u76f4\u63a5\u5728 IntelliJ IDEA \u4e2d\u8fdb\u884c\u5fc5\u8981\u7684\u66f4\u6539\u3002<\/li><li><a href=\"https:\/\/kotlinlang.org\/docs\/whatsnew1530.html#better-debugging-experience-for-applications-with-the-kotlin-js-ir-backend\" target=\"_blank\" rel=\"noopener\">\u5bf9\u4e8eKotlin\/JS IR\u540e\u7aef\u5e94\u7528\u7a0b\u5e8f\u66f4\u597d\u7684\u8c03\u8bd5\u4f53\u9a8c<\/a><em>\uff0c<\/em>&nbsp;\u611f\u8c22JavaScript\u6e90\u4ee3\u7801\u6620\u5c04\u7684\u751f\u6210\u3002&nbsp;\u73b0\u5728\uff0c\u60a8\u53ef\u4ee5\u4ece\u4efb\u4f55\u652f\u6301 JavaScript \u8c03\u8bd5\u5668\u5177\u6709\u6070\u5f53\u6e90\u5f15\u7528\u7684\u65ad\u70b9\u3001\u6b65\u8fdb\u548c\u53ef\u8bfb\u5806\u6808\u75d5\u8ff9\u4e2d\u53d7\u76ca\u3002&nbsp;\u4e86\u89e3\u66f4\u591a\u5173\u4e8e&nbsp;<a href=\"https:\/\/kotlinlang.org\/docs\/js-debugging.html\" target=\"_blank\" rel=\"noopener\">\u8c03\u8bd5Kotlin\/JS\u5e94\u7528\u7a0b\u5e8f<\/a>\u7684\u4fe1\u606f\u3002<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"gradle\">Gradle<\/h2>\n\n\n\n<p>Kotlin 1.5.30 \u5f15\u5165\u4e86\u4ee5\u4e0b\u7279\u6027\uff0c\u4ee5<a href=\"https:\/\/youtrack.jetbrains.com\/issue\/KT-45778\" target=\"_blank\" rel=\"noopener\">\u6539\u5584Kotlin Gradle \u63d2\u4ef6\u7684\u7528\u6237\u4f53\u9a8c<\/a>\uff1a<\/p>\n\n\n\n<ul><li><a href=\"https:\/\/kotlinlang.org\/docs\/whatsnew1530.html#support-for-java-toolchains\" target=\"_blank\" rel=\"noopener\">\u652f\u6301Java\u5de5\u5177\u94fe<\/a>\u3002&nbsp;Gradle 6.7 \u5f15\u5165\u4e86\u5bf9<a href=\"https:\/\/blog.gradle.org\/java-toolchains\" target=\"_blank\" rel=\"noopener\">&nbsp;Java \u5de5\u5177\u94fe\u7684\u652f\u6301<\/a>\uff0c\u8fd9\u4f7f\u5f97\u9009\u62e9 JDK \u8fdb\u884c\u9879\u76ee\u7f16\u8bd1\u66f4\u52a0\u5bb9\u6613\u3002&nbsp;\u53ea\u9700\u5728\u6784\u5efa\u811a\u672c\u4e2d\u58f0\u660e\u60a8\u9700\u8981\u7684\u7248\u672c\uff0cGradle \u5373\u53ef\u5b8c\u6210\u4f59\u4e0b\u7684\u90e8\u5206\uff0c\u4f60\u53ef\u5728\u673a\u5668\u4e0a\u627e\u5230\u5b83\uff0c\u5982\u679c\u6ca1\u6709\u7684\u8bdd\u5219\u9700\u8981\u4e0b\u8f7d\u5e76\u5b89\u88c5\u3002&nbsp;Kotlin Gradle\u63d2\u4ef6\u652f\u6301Kotlin\/JVM\u7f16\u8bd1\u4efb\u52a1\u7684Java\u5de5\u5177\u94fe\u3002&nbsp;\u5bf9\u4e8eGradle\u7248\u672c6.1-6.6\uff0c\u901a\u8fc7<a href=\"https:\/\/kotlinlang.org\/docs\/whatsnew1530.html#ability-to-specify-jdk-home-with-useskotlinjavatoolchain-interface\" target=\"_blank\" rel=\"noopener\"><code>UsesKotlinJavaToolchain<\/code>&nbsp;\u63a5\u53e3<\/a>\u8bbe\u7f6eJDK Home\u3002<\/li><li><a href=\"https:\/\/kotlinlang.org\/docs\/whatsnew1530.html#easier-way-to-explicitly-specify-kotlin-daemon-jvm-arguments\" target=\"_blank\" rel=\"noopener\">\u66f4\u7b80\u5355\u6307\u5b9aKotlin JVM\u5b88\u62a4\u7ebf\u7a0b\u53c2\u6570\u7684\u65b9\u5f0f<\/a>\u3002&nbsp;\u5982\u679c\u6ca1\u6709\u4e3aKotlin\u5b88\u62a4\u7ebf\u7a0b\u663e\u5f0f\u6307\u5b9a\uff0c\u5b83\u5c06\u7ee7\u627fGradle\u5b88\u62a4\u7ebf\u7a0b\u7684\u53c2\u6570\u3002&nbsp;\u73b0\u5728\uff0c\u60a8\u8fd8\u53ef\u4ee5\u4e3a\u7279\u5b9a\u4efb\u52a1\u4ee5\u53caKotlin\u6269\u5c55\u6307\u5b9a\u53c2\u6570\uff0c\u5728<code>build.gradle.kts<\/code>\u6216<code>gradle.properties<\/code>\u4e2d\u901a\u8fc7\u5355\u884c\u8bbe\u7f6e\u3002<\/li><\/ul>\n\n\n\n<p><code>build.gradle.kts<\/code><\/p>\n\n\n\n<pre class=\"kotlin-code\" data-highlight-only=\"true\" theme=\"idea\" indent=\"4\" style=\"visibility: hidden; padding: 36px 0;\">\nkotlin {\n    kotlinDaemonJvmArgs = listOf(&quot;-Xmx486m&quot;, &quot;-Xms256m&quot;, &quot;-XX:+UseParallelGC&quot;)\n}\n<\/pre>\n\n\n\n<p><code>gradle.properties<\/code><\/p>\n\n\n\n<pre class=\"kotlin-code\" data-highlight-only=\"true\" theme=\"idea\" indent=\"4\" style=\"visibility: hidden; padding: 36px 0;\">\nkotlin.daemon.jvmargs = -Xmx486m -Xms256m -XX:+UseParallelGC\n<\/pre>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"stdlib\">\u6807\u51c6\u5e93<\/h2>\n\n\n\n<p>Kotlin 1.5.30 \u4e3a\u6807\u51c6\u5e93\u7684&nbsp;<code>Duration<\/code>&nbsp;\u548c&nbsp;<code>Regex<\/code>&nbsp;API \u5e26\u6765\u4e86\u6539\u8fdb\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Duration API \u7684\u6539\u8fdb<\/h3>\n\n\n\n<p>\u6b63\u5982<a href=\"https:\/\/kotlinlang.org\/docs\/roadmap.html#roadmap-details\" target=\"_blank\" rel=\"noopener\">\u6211\u4eec\u6807\u51c6\u5e93\u7684\u8def\u7ebf\u56fe<\/a>\u6240\u793a\uff0c\u6211\u4eec\u6253\u7b97\u8ba9<a href=\"https:\/\/youtrack.jetbrains.com\/issue\/KT-46784\" target=\"_blank\" rel=\"noopener\">Duration API\u5728Kotlin 1.6.0\u7a33\u5b9a\u5316<\/a>\uff0c\u610f\u5473\u7740\u8fd9\u662f\u6700\u540e\u5c1d\u9c9c\u7684\u673a\u4f1a\u4e86\uff0c\u8bf7\u4e0e\u6211\u4eec\u5206\u4eab\u60a8\u4efb\u4f55\u60f3\u6539\u5584\u5b83\u7684\u60f3\u6cd5\u3002&nbsp;\u6211\u4eec\u5c06<a href=\"https:\/\/github.com\/Kotlin\/KEEP\/issues\/190\" target=\"_blank\" rel=\"noopener\">\u5728\u8fd9\u4e2aKEEP<\/a>\u611f\u8c22\u60a8\u7684\u53cd\u9988\u3002<\/p>\n\n\n\n<p>Kotlin 1.5.30 \u63d0\u4f9b\u4e86 API \u6539\u5584\u540e\u7684\u9884\u89c8\u3002&nbsp;\u73b0\u5728<code>Duration.toString()<\/code>\u7684\u8f93\u51fa\u73b0\u5728\u66f4\u5177\u53ef\u8bfb\u6027\u4e86\u3002&nbsp;\u4f8b\u5982\uff0c<code>Duration.minutes(920).toString()<\/code>\u5c06\u8f93\u51fa<code>15h20m<\/code>\uff0c\u800c\u4e0d\u662f\u4ee5\u524d\u7684<code>920m<\/code>\u3002<\/p>\n\n\n\n<p>\u8d1f\u7684\u6301\u7eed\u65f6\u95f4\u73b0\u5728\u4ee5\u8d1f\u53f7(<code>-<\/code>) \u4f5c\u4e3a\u524d\u7f00\uff0c\u5982\u679c\u7531\u591a\u4e2a\u90e8\u5206\u7ec4\u6210\uff0c\u5219\u901a\u8fc7\u62ec\u53f7\u5305\u88f9:&nbsp;<code>-12m<\/code>&nbsp;and&nbsp;<code>-(1h 30m)<\/code>\u3002<\/p>\n\n\n\n<p>\u8fd9\u4e2a\u7248\u672c\u8fd8\u63d0\u4f9b\u4e86<a href=\"https:\/\/kotlinlang.org\/docs\/whatsnew1530.html#standard-library\" class=\"ek-link\" target=\"_blank\" rel=\"noopener\">\u4ece\u5b57\u7b26\u4e32\u89e3\u6790\u6210Duration\u7684\u65b0\u51fd\u6570<\/a>\u7684\u9884\u89c8\u3002<\/p>\n\n\n\n<ul><li><code>parse()<\/code>\u5c06\u7c7b\u4f3c\u4e8e Duration \u7684 <code>toString()<\/code>\u6216\u7b26\u5408 <a href=\"https:\/\/en.wikipedia.org\/wiki\/ISO_8601#Durations\" class=\"ek-link\" target=\"_blank\" rel=\"noopener\">ISO 8601<\/a> \u6807\u51c6\u7684\u5b57\u7b26\u4e32\u89e3\u6790\u4e3a Duration \u5bf9\u8c61(\u4f8b\u5982 <code>toIsoString()<\/code>\u7684\u8f93\u51fa)\u3002<\/li><li><code>parseIsoString()<\/code>\u5c06 ISO 8601 \u8868\u793a\u7684\u5b57\u7b26\u4e32\u89e3\u6790\u6210 Duration \u5bf9\u8c61\u3002<\/li><li><code>*OrNull()<\/code>\u4e24\u4e2a\u51fd\u6570\u7684\u5bf9\u5e94\u9879\u3002<\/li><\/ul>\n\n\n\n<pre class=\"kotlin-code\" data-min-compiler-version=\"1.5.30\" theme=\"idea\" indent=\"4\" style=\"visibility: hidden; padding: 36px 0;\">\nimport kotlin.time.Duration\nimport kotlin.time.ExperimentalTime\n\n@ExperimentalTime\nfun main() {\n\/\/sampleStart\n    val isoFormatString = &quot;PT1H30M&quot;\n    val defaultFormatString = &quot;1h 30m&quot;\n    println(Duration.parse(isoFormatString)) \/\/ &quot;1h 30m&quot;\n    println(Duration.parse(defaultFormatString)) \/\/ &quot;1h 30m&quot;\n\/\/sampleEnd\n}\n<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u6b63\u5219API\u7684\u6539\u8fdb<\/h3>\n\n\n\n<p>Kotlin 1.5.30 \u4e3a\u6b63\u5219\u8868\u8fbe\u5f0f\u63d0\u4f9b\u4e86\u65b0\u7684\u5b9e\u9a8c\u6027\u51fd\u6570:<\/p>\n\n\n\n<ul><li><code>matchesAt()<\/code>&nbsp;\u68c0\u67e5\u5728\u5b57\u7b26\u4e32\u7684\u7279\u5b9a\u4f4d\u7f6e\u662f\u5426\u80fd\u5339\u914dregex\u3002<\/li><li><code>matchAt()<\/code>\u8fd4\u56de\u6240\u5339\u914d\u5230\u7684\u7b2c\u4e00\u4e2amatch\u3002<\/li><\/ul>\n\n\n\n<pre class=\"kotlin-code\" data-min-compiler-version=\"1.5.30\" theme=\"idea\" indent=\"4\" style=\"visibility: hidden; padding: 36px 0;\">\nfun main(){\n\/\/sampleStart\n    val releaseText = &quot;Kotlin 1.5.30 is released!&quot;\n    val versionRegex = &quot;\\\\d[.]\\\\d[.]\\\\d+&quot;.toRegex()\n    println(versionRegex.matchAt(releaseText, 0)) \/\/ &quot;null&quot;\n    println(versionRegex.matchAt(releaseText, 7)?.value) \/\/ &quot;1.5.30&quot;\n\/\/sampleEnd\n}\n<\/pre>\n\n\n\n<ul><li><code>splitToSequence()<\/code>\u662f <a href=\"https:\/\/kotlinlang.org\/api\/latest\/jvm\/stdlib\/kotlin.text\/-regex\/split.html\" class=\"ek-link\" target=\"_blank\" rel=\"noopener\"><code>split()<\/code> <\/a>\u5bf9\u5e94\u7684\u60f0\u6027\u51fd\u6570\u3002&nbsp;\u5b83\u6839\u636e\u7ed9\u5b9a\u7684 regex \u62c6\u5206\u5b57\u7b26\u4e32\uff0c\u4f46\u662f\u8fd4\u56de\u7ed3\u679c\u662f <code>Sequence<\/code>\u3002&nbsp;<code>CharSequence<\/code> \u4e5f\u589e\u52a0\u4e86\u4e00\u4e2a\u7c7b\u4f3c\u7684\u51fd\u6570\u3002<\/li><\/ul>\n\n\n\n<pre class=\"kotlin-code\" data-min-compiler-version=\"1.5.30\" theme=\"idea\" indent=\"4\" style=\"visibility: hidden; padding: 36px 0;\">\nfun main(){\n\/\/sampleStart\n    val colorsText = &quot;green, red , brown&amp;blue, orange, pink&amp;green&quot;\n    val regex = &quot;[,\\\\s]+&quot;.toRegex()\n    val mixedColor = regex.splitToSequence(colorsText)\n        .onEach { println(it) }\n        .firstOrNull { it.contains(&#039;&amp;&#039;) }\n    println(mixedColor) \/\/ &quot;brown&amp;blue&quot;\n\/\/sampleEnd\n}\n<\/pre>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"how-to-install\">\u5982\u4f55\u5b89\u88c5 Kotlin 1.5.30<\/h2>\n\n\n\n<p><a href=\"https:\/\/kotlinlang.org\/docs\/releases.html#update-to-a-new-release\" class=\"ek-link\" target=\"_blank\" rel=\"noopener\">&nbsp;<\/a>\u5982\u679c\u60a8\u4f7f\u7528\u7684\u662f&nbsp;<a href=\"https:\/\/www.jetbrains.com\/idea\/download\/\" target=\"_blank\" rel=\"noopener\">IntelliJ IDEA<\/a>&nbsp;\u6216&nbsp;<a href=\"https:\/\/developer.android.com\/studio\" target=\"_blank\" rel=\"noopener\">Android Studio<\/a>\uff0c\u5b83\u4f1a\u5efa\u8bae\u5728\u7248\u672c\u53d1\u5e03\u540e\u81ea\u52a8\u66f4\u65b0 Kotlin \u5230 1.5.30\u3002&nbsp;\u60a8\u4e5f\u53ef\u4ee5\u6309\u7167<a href=\"https:\/\/kotlinlang.org\/docs\/releases.html#update-to-a-new-release\" target=\"_blank\" rel=\"noopener\">\u8bf4\u660e<\/a>\u624b\u52a8\u66f4\u65b0\u3002&nbsp;<\/p>\n\n\n\n<p>\u60a8\u4ecd\u7136\u53ef\u4ee5\u4e0b\u8f7d\u8fd9\u4e9b IDE \u7684\u6700\u65b0\u7248\u672c\u4ee5\u4fdd\u8bc1\u5bf9 Kotlin \u7684\u5168\u9762\u652f\u6301\uff1a<\/p>\n\n\n\n<ul><li>\u7528\u4e8e\u4e3a\u4e0d\u540c\u5e73\u53f0\u5f00\u53d1 Kotlin \u5e94\u7528\u7a0b\u5e8f\u7684&nbsp;<a href=\"https:\/\/www.jetbrains.com\/idea\/download\/\" target=\"_blank\" rel=\"noopener\">IntelliJ IDEA<\/a>\u3002<\/li><li>\u7528\u4e8e\u5f00\u53d1 Android \u548c\u8de8\u5e73\u53f0\u7684\u79fb\u52a8\u5e94\u7528\u7a0b\u5e8f\u7684&nbsp;<a href=\"https:\/\/developer.android.com\/studio\" target=\"_blank\" rel=\"noopener\">Android Studio<\/a>\u3002<\/li><\/ul>\n\n\n\n<p>\u786e\u4fdd\u60a8\u5df2\u5c06 kotlinx \u5e93\u66f4\u65b0\u5230<a href=\"https:\/\/kotlinlang.org\/releases.html#release-details\" target=\"_blank\" rel=\"noopener\">\u517c\u5bb9\u7248\u672c<\/a>\uff0c\u5e76\u5728\u73b0\u6709\u9879\u76ee\u7684\u6784\u5efa\u811a\u672c\u4e2d\u6307\u5b9a Kotlin \u7248\u672c\u4e3a 1.5.30\u3002<\/p>\n\n\n\n<p>\u5982\u679c\u9700\u8981\u547d\u4ee4\u884c\u7f16\u8bd1\u5668\uff0c\u8bf7\u5728<a href=\"https:\/\/github.com\/JetBrains\/kotlin\/releases\/tag\/v1.5.30\" target=\"_blank\" rel=\"noopener\">GitHub\u7248\u672c\u9875\u9762<\/a>\u4e0b\u8f7d\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5982\u679c\u9047\u5230\u4efb\u4f55\u95ee\u9898<\/h3>\n\n\n\n<ul><li>\u5728<a href=\"http:\/\/kotlinlang.slack.com\/\" target=\"_blank\" rel=\"noopener\">Slack<\/a>\u4e2d\u5bfb\u6c42\u5e2e\u52a9(<a href=\"https:\/\/surveys.jetbrains.com\/s3\/kotlin-slack-sign-up\" target=\"_blank\" rel=\"noopener\">\u83b7\u53d6\u9080\u8bf7<\/a>)\u3002<\/li><li>\u5411\u6211\u4eec\u7684\u95ee\u9898\u8ddf\u8e2a\u5668\uff08<a href=\"https:\/\/youtrack.jetbrains.com\/issues\/KT\" target=\"_blank\" rel=\"noopener\">YouTrack<\/a>\uff09\u62a5\u544a\u3002<\/li><\/ul>\n\n\n\n<div style=\"background-color: #f1f6fe; margin-bottom: 2px; padding: 5px; margin-right: 0%; text-align: left; min-height: px;\">\n<p>Stay up to date with information about the latest Kotlin features! Subscribe to receive Kotlin updates by filling out the form to the right of this post.<\/p>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\">\u66f4\u591a\u7684\u9605\u8bfb\u548c\u89c2\u770b\u8d44\u6599<\/h2>\n\n\n\n<ul><li><a href=\"https:\/\/youtu.be\/rNbb3A9IdOo\" class=\"ek-link\" target=\"_blank\" rel=\"noopener\">What\u2019s new in Kotlin 1.5.30 video<\/a><\/li><li><a href=\"https:\/\/kotlinlang.org\/docs\/whatsnew1530.html\" target=\"_blank\" rel=\"noopener\">What\u2019s new in Kotlin 1.5.30 docs<\/a><\/li><li><a href=\"https:\/\/blog.jetbrains.com\/kotlin\/2021\/06\/kotlin-1-5-20-released\/\">Kotlin 1.5.20 blog post<\/a><\/li><li><a href=\"https:\/\/blog.jetbrains.com\/kotlin\/2021\/05\/kotlin-1-5-0-released\/\">Kotlin 1.5.0 blog post<\/a><\/li><li><a href=\"https:\/\/kotlinlang.org\/docs\/roadmap.html\" target=\"_blank\" rel=\"noopener\">Kotlin roadmap<\/a><\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u5916\u90e8\u8d21\u732e\u8005&#x1f44f;&#x1f44f;&#x1f44f;&nbsp;<\/h2>\n\n\n\n<p>\u6211\u4eec\u8981\u611f\u8c22\u6240\u6709\u5916\u90e8\u8d21\u732e\u8005\uff0c\u6b64\u7248\u672c\u4e2d\u5305\u542b\u4e86\u4ed6\u4eec\u7684\u62c9\u53d6\u8bf7\u6c42\uff1a<\/p>\n\n\n\n<p><a href=\"https:\/\/github.com\/jsjeon\" target=\"_blank\" rel=\"noopener\">Jinseong Jeon<\/a>, <a href=\"https:\/\/github.com\/pyos\" target=\"_blank\" rel=\"noopener\">pyos<\/a>, <a href=\"https:\/\/github.com\/tgeng\" target=\"_blank\" rel=\"noopener\">Tianyu Geng<\/a>, <a href=\"https:\/\/github.com\/punzki\" target=\"_blank\" rel=\"noopener\">Mark Punzalan<\/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\/sfs\" target=\"_blank\" rel=\"noopener\">Steven Sch\u00e4fer<\/a>, <a href=\"https:\/\/github.com\/knebekaizer\" target=\"_blank\" rel=\"noopener\">Vladimir Ivanov<\/a>, <a href=\"https:\/\/github.com\/hungvietnguyen\" target=\"_blank\" rel=\"noopener\">Hung Nguyen<\/a>, <a href=\"https:\/\/github.com\/gharrma\" target=\"_blank\" rel=\"noopener\">Matthew Gharrity<\/a>, <a href=\"https:\/\/github.com\/neetopia\" target=\"_blank\" rel=\"noopener\">Jiaxiang Chen<\/a>, <a href=\"https:\/\/github.com\/KvanTTT\" target=\"_blank\" rel=\"noopener\">Ivan Kochurkin<\/a>, <a href=\"https:\/\/github.com\/CommanderTvis\" target=\"_blank\" rel=\"noopener\">Iaroslav Postovalov<\/a>, <a href=\"https:\/\/github.com\/t-kameyama\" target=\"_blank\" rel=\"noopener\">Toshiaki Kameyama<\/a>, <a href=\"https:\/\/github.com\/Udinic\" target=\"_blank\" rel=\"noopener\">Udi Cohen<\/a>, <a href=\"https:\/\/github.com\/scaventz\" target=\"_blank\" rel=\"noopener\">Xin Wang<\/a>, <a href=\"https:\/\/github.com\/bracadabra\" target=\"_blank\" rel=\"noopener\">bracadabra<\/a><\/p>\n\n\n<div style=\"background-color: #f1f6fe; margin-bottom: 2px; padding: 4px; margin-right: 0%; text-align: left; min-height: px;\">\u7279\u522b\u611f\u8c22\u7531\u6765\u81ea Kotlin \u793e\u533a\u7684 <strong>\u9ec4\u667a\u806a (pye52)<\/strong> \u548c <strong>Xiaoshen(Smallshen)<\/strong> \u4e3a\u672c\u7bc7\u535a\u6587\u63d0\u4f9b\u4e2d\u6587\u8bd1\u6587\u3002<\/div>","protected":false},"author":814,"featured_media":175097,"comment_status":"closed","ping_status":"closed","template":"","categories":[907],"tags":[671],"cross-post-tag":[],"acf":[],"_links":{"self":[{"href":"https:\/\/blog.jetbrains.com\/zh-hans\/wp-json\/wp\/v2\/kotlin\/185928"}],"collection":[{"href":"https:\/\/blog.jetbrains.com\/zh-hans\/wp-json\/wp\/v2\/kotlin"}],"about":[{"href":"https:\/\/blog.jetbrains.com\/zh-hans\/wp-json\/wp\/v2\/types\/kotlin"}],"author":[{"embeddable":true,"href":"https:\/\/blog.jetbrains.com\/zh-hans\/wp-json\/wp\/v2\/users\/814"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.jetbrains.com\/zh-hans\/wp-json\/wp\/v2\/comments?post=185928"}],"version-history":[{"count":2,"href":"https:\/\/blog.jetbrains.com\/zh-hans\/wp-json\/wp\/v2\/kotlin\/185928\/revisions"}],"predecessor-version":[{"id":191678,"href":"https:\/\/blog.jetbrains.com\/zh-hans\/wp-json\/wp\/v2\/kotlin\/185928\/revisions\/191678"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blog.jetbrains.com\/zh-hans\/wp-json\/wp\/v2\/media\/175097"}],"wp:attachment":[{"href":"https:\/\/blog.jetbrains.com\/zh-hans\/wp-json\/wp\/v2\/media?parent=185928"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.jetbrains.com\/zh-hans\/wp-json\/wp\/v2\/categories?post=185928"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.jetbrains.com\/zh-hans\/wp-json\/wp\/v2\/tags?post=185928"},{"taxonomy":"cross-post-tag","embeddable":true,"href":"https:\/\/blog.jetbrains.com\/zh-hans\/wp-json\/wp\/v2\/cross-post-tag?post=185928"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}