{"id":5909,"date":"2025-09-17T20:23:57","date_gmt":"2025-09-17T20:23:57","guid":{"rendered":"https:\/\/pokecon.jp\/job\/?p=5909"},"modified":"2025-09-17T20:23:57","modified_gmt":"2025-09-17T20:23:57","slug":"webkit-features-in-safari-26-0%e3%81%aa%e3%81%a9-cybozu-frontend-weekly-2025-09-15%e5%8f%b7","status":"publish","type":"post","link":"https:\/\/pokecon.jp\/job\/5909\/","title":{"rendered":"WebKit Features in Safari 26.0\u306a\u3069: Cybozu Frontend Weekly (2025-09-15\u53f7)"},"content":{"rendered":"\n<\/p>\n<div>\n<p data-line=\"0\" class=\"code-line\">\u3053\u3093\u306b\u3061\u306f\uff01 \u30b5\u30a4\u30dc\u30a6\u30ba\u682a\u5f0f\u4f1a\u793e \u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u30a8\u30f3\u30b8\u30cb\u30a2\u306e <a target=\"_blank\" href=\"https:\/\/x.com\/mehm8128\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">mehm8128 (@mehm8128)<\/a> \u3067\u3059\u3002<\/p>\n<h2 id=\"%E3%81%AF%E3%81%98%E3%82%81%E3%81%AB\" data-line=\"2\" class=\"code-line\">\n \u306f\u3058\u3081\u306b<\/h2>\n<p data-line=\"4\" class=\"code-line\">\u30b5\u30a4\u30dc\u30a6\u30ba\u793e\u5185\u3067\u306f\u6bce\u9031\u706b\u66dc\u65e5\u306b Frontend Weekly \u3068\u984c\u3057\u300c\u4e00\u9031\u9593\u306e\u9593\u306b\u3042\u3063\u305f\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u30cb\u30e5\u30fc\u30b9\u3092\u5171\u6709\u3059\u308b\u4f1a\u300d\u3092\u958b\u50ac\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p data-line=\"6\" class=\"code-line\">\u4eca\u56de\u306f\u30012025\/09\/15 \u306e Frontend Weekly \u3067\u53d6\u308a\u4e0a\u3052\u305f\u8a18\u4e8b\u3084\u8a71\u984c\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n<h2 id=\"%E5%8F%96%E3%82%8A%E4%B8%8A%E3%81%92%E3%81%9F%E8%A8%98%E4%BA%8B%E3%83%BB%E8%A9%B1%E9%A1%8C\" data-line=\"8\" class=\"code-line\">\n \u53d6\u308a\u4e0a\u3052\u305f\u8a18\u4e8b\u30fb\u8a71\u984c<\/h2>\n<h3 id=\"a-deep-dive-into-cloudflare%E2%80%99s-september-12%2C-2025-dashboard-and-api-outage\" data-line=\"10\" class=\"code-line\">\n A deep dive into Cloudflare\u2019s September 12, 2025 dashboard and API outage<\/h3>\n<p data-line=\"12\" class=\"code-line\"><span class=\"embed-block zenn-embedded zenn-embedded-card\"><iframe id=\"zenn-embedded__d162684ffd58a\" src=\"https:\/\/embed.zenn.studio\/card#zenn-embedded__d162684ffd58a\" data-content=\"https%3A%2F%2Fblog.cloudflare.com%2Fdeep-dive-into-cloudflares-sept-12-dashboard-and-api-outage%2F\" frameborder=\"0\" scrolling=\"no\" loading=\"lazy\"><\/iframe><\/span><a target=\"_blank\" href=\"https:\/\/blog.cloudflare.com\/deep-dive-into-cloudflares-sept-12-dashboard-and-api-outage\/\" style=\"display:none\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">https:\/\/blog.cloudflare.com\/deep-dive-into-cloudflares-sept-12-dashboard-and-api-outage\/<\/a><\/p>\n<p data-line=\"14\" class=\"code-line\">Cloudflare \u306e\u30c0\u30c3\u30b7\u30e5\u30dc\u30fc\u30c9\u306e\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u3067\u3001useEffect \u306e\u7b2c\u4e8c\u5f15\u6570\u306b\u554f\u984c\u306e\u3042\u308b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u8aa4\u3063\u3066\u6e21\u3057\u3066\u3057\u307e\u3063\u3066\u969c\u5bb3\u304c\u767a\u751f\u3057\u3066\u3057\u307e\u3063\u305f\u30d0\u30b0\u30ec\u30dd\u30fc\u30c8\u3067\u3059\u3002<\/p>\n<p data-line=\"16\" class=\"code-line\">\u30bf\u30a4\u30e0\u30e9\u30a4\u30f3\u3084\u5bfe\u5fdc\u65b9\u6cd5\u306b\u3064\u3044\u3066\u89e3\u8aac\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3 id=\"google-chrome-at-17---a-history-of-our-browser\" data-line=\"18\" class=\"code-line\">\n Google Chrome at 17 &#8211; A history of our browser<\/h3>\n<p data-line=\"20\" class=\"code-line\"><span class=\"embed-block zenn-embedded zenn-embedded-card\"><iframe id=\"zenn-embedded__73dc9faf44934\" src=\"https:\/\/embed.zenn.studio\/card#zenn-embedded__73dc9faf44934\" data-content=\"https%3A%2F%2Faddyosmani.com%2Fblog%2Fchrome-17th%2F\" frameborder=\"0\" scrolling=\"no\" loading=\"lazy\"><\/iframe><\/span><a target=\"_blank\" href=\"https:\/\/addyosmani.com\/blog\/chrome-17th\/\" style=\"display:none\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">https:\/\/addyosmani.com\/blog\/chrome-17th\/<\/a><\/p>\n<p data-line=\"22\" class=\"code-line\">Chrome \u306e 17 \u5468\u5e74\u3092\u8a18\u5ff5\u3057\u3066\u3001Google \u306e addy \u304c Chrome \u306e\u6b74\u53f2\u306b\u3064\u3044\u3066\u66f8\u3044\u305f\u8a18\u4e8b\u3067\u3059\u3002<\/p>\n<p data-line=\"24\" class=\"code-line\">Chrome \u306e\u8d77\u6e90\u304b\u3089\u59cb\u307e\u308a\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3084\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3001UI\u3001Baseline \u3084 Core Web Vitals \u306a\u3069\u306e\u8a71\u984c\u306b\u79fb\u308a\u3001\u6700\u8fd1\u306e AI \u306e\u72b6\u6cc1\u306b\u3064\u3044\u3066\u3082\u89e6\u308c\u3089\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3 id=\"webkit-features-in-safari-26.0\" data-line=\"26\" class=\"code-line\">\n WebKit Features in Safari 26.0<\/h3>\n<p data-line=\"28\" class=\"code-line\"><span class=\"embed-block zenn-embedded zenn-embedded-card\"><iframe id=\"zenn-embedded__935f3863c33d8\" src=\"https:\/\/embed.zenn.studio\/card#zenn-embedded__935f3863c33d8\" data-content=\"https%3A%2F%2Fwebkit.org%2Fblog%2F17333%2Fwebkit-features-in-safari-26-0%2F\" frameborder=\"0\" scrolling=\"no\" loading=\"lazy\"><\/iframe><\/span><a target=\"_blank\" href=\"https:\/\/webkit.org\/blog\/17333\/webkit-features-in-safari-26-0\/\" style=\"display:none\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">https:\/\/webkit.org\/blog\/17333\/webkit-features-in-safari-26-0\/<\/a><\/p>\n<p data-line=\"30\" class=\"code-line\">Safari 26.0 \u306e\u65b0\u6a5f\u80fd\u306b\u3064\u3044\u3066\u306e\u8a18\u4e8b\u3067\u3059\u3002<\/p>\n<p data-line=\"32\" class=\"code-line\">CSS \u306e\u8a71\u984c\u304c\u591a\u304f\u3001Anchor Positioning \u3084 Scroll-driven animations\u3001Contrast Color\u3001Progress \u95a2\u6570\u306a\u3069\u304c\u7d39\u4ecb\u3055\u308c\u3066\u3044\u307e\u3059\u3002<br \/>\u305d\u306e\u4ed6\u3001HDR \u3084 Digital Credentials API \u306b\u3064\u3044\u3066\u306e\u60c5\u5831\u3082\u3042\u308a\u307e\u3057\u305f\u3002<\/p>\n<h3 id=\"a-refresh-of-learn-css-with-nine-new-modules\" data-line=\"35\" class=\"code-line\">\n A refresh of Learn CSS with nine new modules<\/h3>\n<p data-line=\"37\" class=\"code-line\"><span class=\"embed-block zenn-embedded zenn-embedded-card\"><iframe id=\"zenn-embedded__37d48daeaeb4\" src=\"https:\/\/embed.zenn.studio\/card#zenn-embedded__37d48daeaeb4\" data-content=\"https%3A%2F%2Fweb.dev%2Fblog%2Flearn-css-refresh\" frameborder=\"0\" scrolling=\"no\" loading=\"lazy\"><\/iframe><\/span><a target=\"_blank\" href=\"https:\/\/web.dev\/blog\/learn-css-refresh\" style=\"display:none\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">https:\/\/web.dev\/blog\/learn-css-refresh<\/a><\/p>\n<p data-line=\"39\" class=\"code-line\">web.dev \u306e Learn CSS \u30b3\u30fc\u30b9\u306b\u3001\u30b3\u30f3\u30c6\u30f3\u30c4\u304c\u8ffd\u52a0\u3055\u308c\u307e\u3057\u305f\u3002<br \/>Baseline \u306b\u5230\u9054\u3057\u305f\u3070\u304b\u308a\u30fb\u5230\u9054\u304c\u898b\u8fbc\u307e\u308c\u308b\u6a5f\u80fd\u3092\u4e2d\u5fc3\u306b\u62e1\u5145\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3 id=\"pnpm-10.16---new-setting-for-delayed-dependency-updates\" data-line=\"42\" class=\"code-line\">\n pnpm 10.16 &#8211; New setting for delayed dependency updates<\/h3>\n<p data-line=\"44\" class=\"code-line\"><span class=\"embed-block zenn-embedded zenn-embedded-card\"><iframe id=\"zenn-embedded__725c53adaf685\" src=\"https:\/\/embed.zenn.studio\/card#zenn-embedded__725c53adaf685\" data-content=\"https%3A%2F%2Fpnpm.io%2Fblog%2Freleases%2F10.16\" frameborder=\"0\" scrolling=\"no\" loading=\"lazy\"><\/iframe><\/span><a target=\"_blank\" href=\"https:\/\/pnpm.io\/blog\/releases\/10.16\" style=\"display:none\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">https:\/\/pnpm.io\/blog\/releases\/10.16<\/a><\/p>\n<p data-line=\"46\" class=\"code-line\">pnpm 10.16 \u304b\u3089\u3001<code>minimumReleaseAge<\/code> \u30aa\u30d7\u30b7\u30e7\u30f3\u304c\u5c0e\u5165\u3055\u308c\u307e\u3057\u305f\u3002<br \/>\u516c\u958b\u304b\u3089\u6307\u5b9a\u3057\u305f\u671f\u9593\u304c\u7d4c\u904e\u3057\u305f\u30d1\u30c3\u30b1\u30fc\u30b8\u306e\u307f\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308b\u3082\u306e\u3067\u3001\u30b5\u30d7\u30e9\u30a4\u30c1\u30a7\u30fc\u30f3\u653b\u6483\u3092\u8efd\u6e1b\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p data-line=\"49\" class=\"code-line\">\u3053\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u306f\u4ed6\u306b\u3001\u4f9d\u5b58\u95a2\u4fc2\u3092\u691c\u7d22\u3059\u308b\u305f\u3081\u306e\u95a2\u6570\u3092\u6307\u5b9a\u3067\u304d\u308b finder \u6a5f\u80fd\u3082\u8ffd\u52a0\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3 id=\"prisma-6.16.0\" data-line=\"51\" class=\"code-line\">\n Prisma 6.16.0<\/h3>\n<p data-line=\"53\" class=\"code-line\"><span class=\"embed-block zenn-embedded zenn-embedded-card\"><iframe id=\"zenn-embedded__785a6e7ba5254\" src=\"https:\/\/embed.zenn.studio\/card#zenn-embedded__785a6e7ba5254\" data-content=\"https%3A%2F%2Fgithub.com%2Fprisma%2Fprisma%2Freleases%2Ftag%2F6.16.0\" frameborder=\"0\" scrolling=\"no\" loading=\"lazy\"><\/iframe><\/span><a target=\"_blank\" href=\"https:\/\/github.com\/prisma\/prisma\/releases\/tag\/6.16.0\" style=\"display:none\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">https:\/\/github.com\/prisma\/prisma\/releases\/tag\/6.16.0<\/a><\/p>\n<p data-line=\"55\" class=\"code-line\">Prisma 6.16.0 \u304c\u30ea\u30ea\u30fc\u30b9\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n<p data-line=\"57\" class=\"code-line\">DB \u30a2\u30c0\u30d7\u30bf\u90e8\u5206\u306e\u3001 Rust \u304b\u3089 TS \u3078\u306e\u79fb\u884c\u304c\u5b8c\u4e86\u3057\u305f\u3068\u306e\u3053\u3068\u3067\u3059\u3002<br \/>\u305d\u306e\u7d50\u679c\u3001\u30d0\u30f3\u30c9\u30eb\u30b5\u30a4\u30ba\u3092 90% \u524a\u6e1b\u3067\u304d\u305f\u308a\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u5411\u4e0a\u304c\u78ba\u8a8d\u3067\u304d\u305f\u308a\u3057\u305f\u3068\u306e\u3053\u3068\u3067\u3059\u3002<\/p>\n<h3 id=\"2025%3A-0-of-the-global-top-200-websites-use-valid-html\" data-line=\"60\" class=\"code-line\">\n 2025: 0 of the Global Top 200 Websites Use Valid HTML<\/h3>\n<p data-line=\"62\" class=\"code-line\"><span class=\"embed-block zenn-embedded zenn-embedded-card\"><iframe id=\"zenn-embedded__ac6ea14cd133\" src=\"https:\/\/embed.zenn.studio\/card#zenn-embedded__ac6ea14cd133\" data-content=\"https%3A%2F%2Fmeiert.com%2Fblog%2Fhtml-conformance-2025%2F\" frameborder=\"0\" scrolling=\"no\" loading=\"lazy\"><\/iframe><\/span><a target=\"_blank\" href=\"https:\/\/meiert.com\/blog\/html-conformance-2025\/\" style=\"display:none\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">https:\/\/meiert.com\/blog\/html-conformance-2025\/<\/a><\/p>\n<p data-line=\"64\" class=\"code-line\">Wikipedia \u3084 Youtube \u306a\u3069\u3001\u4e16\u754c\u3067\u8a2a\u554f\u6570\u306e\u591a\u3044\u30b5\u30a4\u30c8\u3092 Nu HTML Checker \u3067\u8abf\u67fb\u3057\u305f\u7d50\u679c\u306e\u307e\u3068\u3081\u8a18\u4e8b\u3067\u3059\u3002<br \/>\u30b9\u30d7\u30ec\u30c3\u30c9\u30b7\u30fc\u30c8\u306b\u307e\u3068\u3081\u3089\u308c\u3066\u3044\u3066\u3001\u30a8\u30e9\u30fc\u304c\u7121\u304b\u3063\u305f\u30b5\u30a4\u30c8\u304c 0 \u4ef6\u3060\u3063\u305f\u3068\u306e\u3053\u3068\u3067\u3059\u3002<\/p>\n<h3 id=\"%E3%82%AF%E3%83%AA%E3%83%83%E3%82%AF%E3%81%97%E3%82%84%E3%81%99%E3%81%84%E3%82%BF%E3%83%BC%E3%82%B2%E3%83%83%E3%83%88%E3%82%A8%E3%83%AA%E3%82%A2%E3%82%92%E5%AE%9F%E8%A3%85%E3%81%99%E3%82%8B\" data-line=\"67\" class=\"code-line\">\n \u30af\u30ea\u30c3\u30af\u3057\u3084\u3059\u3044\u30bf\u30fc\u30b2\u30c3\u30c8\u30a8\u30ea\u30a2\u3092\u5b9f\u88c5\u3059\u308b<\/h3>\n<p data-line=\"69\" class=\"code-line\"><span class=\"embed-block zenn-embedded zenn-embedded-card\"><iframe id=\"zenn-embedded__178ebb87743d\" src=\"https:\/\/embed.zenn.studio\/card#zenn-embedded__178ebb87743d\" data-content=\"https%3A%2F%2Fyuheiy.com%2F2025-09-12-click-friendly-target-areas\" frameborder=\"0\" scrolling=\"no\" loading=\"lazy\"><\/iframe><\/span><a target=\"_blank\" href=\"https:\/\/yuheiy.com\/2025-09-12-click-friendly-target-areas\" style=\"display:none\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">https:\/\/yuheiy.com\/2025-09-12-click-friendly-target-areas<\/a><\/p>\n<p data-line=\"71\" class=\"code-line\">padding \u3084\u7591\u4f3c\u8981\u7d20\u306a\u3069\u3092\u4f7f\u3063\u3066\u3001\u8996\u899a\u7684\u306a\u30b5\u30a4\u30ba\u306f\u5909\u3048\u305a\u306b\u30bf\u30fc\u30b2\u30c3\u30c8\u30a8\u30ea\u30a2\uff08\u30af\u30ea\u30c3\u30af\u3084\u30bf\u30c3\u30d7\u306b\u53cd\u5fdc\u3059\u308b\u9818\u57df\uff09\u3060\u3051\u5927\u304d\u304f\u3059\u308b\u30c6\u30af\u30cb\u30c3\u30af\u304c\u7d39\u4ecb\u3055\u308c\u3066\u3044\u307e\u3059\u3002<br \/>\u65e2\u306b\u53d6\u308a\u5165\u308c\u3089\u308c\u3066\u3044\u308b\u4f8b\u3068\u3057\u3066\u3001iOS \u306e\u30ad\u30fc\u30dc\u30fc\u30c9\u3067\u3001\u5165\u529b\u3057\u305f\u6587\u5b57\u5217\u304b\u3089\u6b21\u306e\u6587\u5b57\u3092\u4e88\u6e2c\u3057\u3066\u3001\u305d\u306e\u6587\u5b57\u306e\u30ad\u30fc\u3060\u3051\u30bf\u30fc\u30b2\u30c3\u30c8\u30a8\u30ea\u30a2\u3092\u5c11\u3057\u5927\u304d\u304f\u3057\u3066\u308b\u3068\u3044\u3046\u3082\u306e\u304c\u6319\u3052\u3089\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3 id=\"%E3%81%82%E3%81%A8%E3%81%8C%E3%81%8D\" data-line=\"74\" class=\"code-line\">\n \u3042\u3068\u304c\u304d<\/h3>\n<p data-line=\"76\" class=\"code-line\">\u6700\u8fd1\u3001\u65b0\u3057\u3044 CSS \u306e\u8a71\u984c\u304c\u591a\u3044\u3088\u3046\u306b\u611f\u3058\u307e\u3059\u3002\u5148\u9031\u306e\u8a18\u4e8b\u3067\u3082 interop 2026 \u306e\u7d39\u4ecb\u304c\u3042\u308a\u307e\u3057\u305f\u304c\u3001\u5168\u30d6\u30e9\u30a6\u30b6\u3067\u5bfe\u5fdc\u3055\u308c\u308b\u306e\u304c\u697d\u3057\u307f\u3067\u3059\u3002<\/p>\n<\/div>\n\n<br \/><a href=\"https:\/\/zenn.dev\/cybozu_frontend\/articles\/frontend_weekly_20250916\">\u5143\u306e\u8a18\u4e8b\u3092\u78ba\u8a8d\u3059\u308b <\/a><\/p>\n","protected":false},"excerpt":{"rendered":"\u3053\u3093\u306b\u3061\u306f\uff01 \u30b5\u30a4\u30dc\u30a6\u30ba\u682a\u5f0f\u4f1a\u793e \u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u30a8\u30f3\u30b8\u30cb\u30a2\u306e mehm8128 (@mehm8128) \u3067\u3059\u3002 \u306f\u3058\u3081\u306b \u30b5\u30a4\u30dc\u30a6\u30ba\u793e\u5185\u3067\u306f\u6bce\u9031\u706b\u66dc\u65e5\u306b Frontend Weekly \u3068\u984c\u3057\u300c\u4e00\u9031\u9593\u306e\u9593\u306b\u3042\u3063\u305f\u30d5\u30ed\u30f3\u30c8 [&hellip;]","protected":false},"author":1,"featured_media":5910,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[4],"tags":[],"class_list":["post-5909","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-company-tec"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>WebKit Features in Safari 26.0\u306a\u3069: Cybozu Frontend Weekly (2025-09-15\u53f7) - \u30dd\u30b1\u30b3\u30f3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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