{"id":739223,"date":"2026-09-11T10:54:59","date_gmt":"2026-09-11T09:54:59","guid":{"rendered":"https:\/\/blog.jetbrains.com\/?post_type=kotlin&#038;p=739223"},"modified":"2026-09-11T10:55:04","modified_gmt":"2026-09-11T09:55:04","slug":"kotlin-2-4-20-released","status":"publish","type":"kotlin","link":"https:\/\/blog.jetbrains.com\/zh-hans\/kotlin\/2026\/09\/kotlin-2-4-20-released\/","title":{"rendered":"Kotlin 2.4.20 \u5df2\u53d1\u5e03"},"content":{"rendered":"\n<p>Kotlin 2.4.20 \u5df2\u53d1\u5e03\uff01\u4e3b\u8981\u4eae\u70b9\u5982\u4e0b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u6807\u51c6\u5e93<\/strong>\uff1a\u652f\u6301\u534f\u7a0b\u5806\u6808\u8ddf\u8e2a\u6062\u590d\uff0c\u65b0\u589e\u7528\u4e8e\u68c0\u67e5\u96c6\u5408\u5143\u7d20\u76f8\u7b49\u6027\u548c\u552f\u4e00\u6027\u7684\u51fd\u6570\uff0c\u5e76\u4e3a <code>kotlin.test<\/code> \u65ad\u8a00\u51fd\u6570\u63d0\u4f9b\u65b0\u7684\u91cd\u8f7d\u3002<\/li>\n\n\n\n<li><strong>Kotlin\/Native<\/strong>\uff1a\u65b0\u589e Swift \u5bfc\u51fa\u529f\u80fd\uff0c\u6539\u8fdb\u589e\u91cf\u7f16\u8bd1\uff0c\u5e76\u53ef\u4e3a SwiftPM \u4f9d\u8d56\u9879\u81ea\u52a8\u751f\u6210 <code>Package.swift<\/code> \u6587\u4ef6\u3002<\/li>\n\n\n\n<li><strong>Kotlin\/Wasm<\/strong>\uff1a\u8c03\u6574 <code>@JsFun<\/code> \u58f0\u660e\u4e2d\u5bf9\u9876\u5c42 <code>require()<\/code> \u7684\u8c03\u7528\uff0c\u6539\u8fdb\u4f34\u751f\u5bf9\u8c61\u7684\u521d\u59cb\u5316\u987a\u5e8f\uff0c\u5e76\u5728 Kotlin Gradle \u63d2\u4ef6\u4e2d\u652f\u6301 Wasmtime\u3002<\/li>\n\n\n\n<li><strong>Kotlin\/JS<\/strong>\uff1a\u63d0\u4f9b\u7528\u4e8e\u6d4f\u89c8\u5668\u6d4b\u8bd5\u7684\u65b0 DSL\uff0c\u652f\u6301\u5c06\u6302\u8d77 lambda \u5bfc\u51fa\u4e3a\u5f02\u6b65\u51fd\u6570\uff0c\u5e76\u6539\u8fdb\u6570\u636e\u7c7b\u7684\u53ef\u5bfc\u51fa\u6027\u3002<\/li>\n\n\n\n<li><strong>Gradle<\/strong>\uff1a\u652f\u6301 Gradle 9.7.0\uff0c\u5e76\u6539\u8fdb Problems API \u4e2d\u7684\u62a5\u544a\u529f\u80fd\u3002<\/li>\n\n\n\n<li><strong>\u6784\u5efa\u5de5\u5177 API<\/strong>\uff1a\u652f\u6301 Kotlin\/JS\u3001Kotlin\/Wasm \u548c Kotlin \u5143\u6570\u636e\u7b49\u65b0\u76ee\u6807\u3002<\/li>\n\n\n\n<li><strong>Kotlin \u7f16\u8bd1\u5668<\/strong>\uff1a\u65b0\u589e <code>kotlinr<\/code> \u8fd0\u884c\u5668\u547d\u4ee4\u548c\u72ec\u7acb\u7684\u539f\u751f\u955c\u50cf\u3002<\/li>\n<\/ul>\n\n\n\n<p><\/p>\n\n\n\n<p>\u5982\u9700\u67e5\u770b\u5b8c\u6574\u53d8\u66f4\u5217\u8868\uff0c\u8bf7\u53c2\u9605 <a href=\"https:\/\/kotlinlang.org\/docs\/whatsnew2420.html\" target=\"_blank\" rel=\"noopener\">Kotlin 2.4.20 \u6700\u65b0\u53d8\u5316<\/a>\u6216<a href=\"https:\/\/github.com\/JetBrains\/kotlin\/releases\/tag\/v2.4.20\" target=\"_blank\" rel=\"noopener\">GitHub \u4e0a\u7684\u53d1\u5e03\u8bf4\u660e<\/a>\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u5982\u4f55\u5b89\u88c5 Kotlin 2.4.20<\/h2>\n\n\n\n<p>\u6700\u65b0\u7248\u672c\u7684 Kotlin \u5df2\u5305\u542b\u5728\u6700\u65b0\u7248 <a href=\"https:\/\/www.jetbrains.com\/idea\/download\/\" target=\"_blank\" rel=\"noopener\">IntelliJ IDEA<\/a> \u548c <a href=\"https:\/\/developer.android.com\/studio\" target=\"_blank\" rel=\"noopener\">Android Studio<\/a>.<\/p>\n\n\n\n<p>\u8981\u66f4\u65b0\u5230\u65b0\u7248\u672c\u7684 Kotlin\uff0c\u8bf7\u786e\u4fdd IDE \u5df2\u66f4\u65b0\u5230\u6700\u65b0\u7248\u672c\uff0c\u5e76\u5728\u6784\u5efa\u811a\u672c\u4e2d <a href=\"https:\/\/kotlinlang.org\/docs\/releases.html#update-to-a-new-kotlin-version\" target=\"_blank\" rel=\"noopener\">\u5c06 Kotlin \u7248\u672c\u66f4\u6539\u4e3a 2.4.20<\/a>\u3002<\/p>\n\n\n\n<p>\u5982\u679c\u60a8\u9700\u8981\u547d\u4ee4\u884c\u7f16\u8bd1\u5668\uff0c\u8bf7\u4ece <a href=\"https:\/\/github.com\/JetBrains\/kotlin\/releases\/tag\/v2.4.20\" target=\"_blank\" rel=\"noopener\">GitHub \u53d1\u5e03\u9875\u9762<\/a>\u4e0b\u8f7d\u3002<\/p>\n\n\n\n<p><strong>\u5982\u679c\u60a8\u9047\u5230\u4efb\u4f55\u95ee\u9898\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5728 <a href=\"https:\/\/app.slack.com\/client\/T09229ZC6\" target=\"_blank\" rel=\"noopener\">Slack<\/a> \u4e0a\u5bfb\u6c42\u5e2e\u52a9\uff08<a href=\"https:\/\/surveys.jetbrains.com\/s3\/kotlin-slack-sign-up\" target=\"_blank\" rel=\"noopener\">\u83b7\u53d6\u9080\u8bf7<\/a>\uff09\u3002<\/li>\n\n\n\n<li>\u5c06\u95ee\u9898\u62a5\u544a\u5230\u6211\u4eec\u7684\u95ee\u9898\u8ddf\u8e2a\u5668 <a href=\"https:\/\/youtrack.jetbrains.com\/issues\/KT\" target=\"_blank\" rel=\"noopener\">YouTrack<\/a>\u3002<\/li>\n<\/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>\u60f3\u53ca\u65f6\u4e86\u89e3 Kotlin \u7684\u6700\u65b0\u529f\u80fd\uff1f\u8bf7\u586b\u5199\u672c\u6587\u5e95\u90e8\u7684\u8868\u5355\uff0c\u8ba2\u9605 Kotlin \u66f4\u65b0\u3002\u2b07\ufe0f<\/p>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\">\u7279\u522b\u611f\u8c22\u6211\u4eec\u7684 EAP Champions<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/bsky.app\/profile\/zacsweers.dev\" target=\"_blank\" rel=\"noopener\">Zac Sweers<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/x.com\/noraltavir\">Alexander Nozik<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/github.com\/BoD\" target=\"_blank\" rel=\"noopener\">Benoit Lubek<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/github.com\/ychescale9\" target=\"_blank\" rel=\"noopener\">Yang<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/github.com\/rickclephas\" target=\"_blank\" rel=\"noopener\">Rick Clephas<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.linkedin.com\/in\/johannessvensson\/\" target=\"_blank\" rel=\"noopener\">Johannes Svensson<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.linkedin.com\/in\/lukasz-wasylkowski\/\" target=\"_blank\" rel=\"noopener\">\u0141ukasz Wasylkowski<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/sterlingalbury.com\/\" target=\"_blank\" rel=\"noopener\">Sterling Albury<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/github.com\/HagamosVideojuegos\" target=\"_blank\" rel=\"noopener\">David Lopez<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/github.com\/molikuner\" target=\"_blank\" rel=\"noopener\">Florian Schreiber<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/github.com\/msotho\" target=\"_blank\" rel=\"noopener\">Sechaba Mofokeng<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/github.com\/JesusMcCloud\" target=\"_blank\" rel=\"noopener\">Bernd Pr\u00fcnster<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/x.com\/andy_lamax\">Anderson Lameck<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/github.com\/dayanruben\" target=\"_blank\" rel=\"noopener\">Dayan Ruben<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/kotlinlang.slack.com\/team\/U03PLFM837A\" target=\"_blank\" rel=\"noopener\">Josh Stagg<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.linkedin.com\/in\/yuri-geronimus\/\" target=\"_blank\" rel=\"noopener\">Yuri Geronimus<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/github.com\/seregamorph\" target=\"_blank\" rel=\"noopener\">Sergey Chernov<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/ivan.canet.dev\/\" target=\"_blank\" rel=\"noopener\">Ivan Canet<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/github.com\/Zordid\" target=\"_blank\" rel=\"noopener\">Olaf Gottschalk<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/github.com\/MohamedRejeb\" target=\"_blank\" rel=\"noopener\">Mohamed Rejeb<\/a><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u5ef6\u4f38\u9605\u8bfb<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/kotlinlang.org\/docs\/whatsnew2420.html\" target=\"_blank\" rel=\"noopener\">Kotlin 2.4.20 \u6700\u65b0\u53d8\u5316\u6587\u6863<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/kotlinlang.org\/docs\/compatibility-guide-24.html\" target=\"_blank\" rel=\"noopener\">Kotlin 2.4 \u517c\u5bb9\u6027\u6307\u5357<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/blog.jetbrains.com\/kotlin\/2022\/11\/eap-champions\/\">Kotlin EAP Champions<\/a><\/li>\n<\/ul>\n\n\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p>\u672c\u535a\u6587\u82f1\u6587\u539f\u4f5c\u8005\uff1a<a href=\"https:\/\/blog.jetbrains.com\/author\/daniel-csorba-jetbrains-com\">Daniel Csorba<\/a><\/p>\n\n\n\n<p>\u672c\u6587\u7531 AI 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