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Interop 2026ãŒå§‹ã¾ã‚Šã¾ã—ãŸï¼
2æœˆ13æ—¥ï¼ˆæ—¥æœ¬æ™‚é–“ï¼‰ã€ãƒ–ãƒ©ã‚¦ã‚¶é–“ã§ã®Webæ¨™æº–ã®ç›¸äº’é‹ç”¨æ€§ã‚’å‘ä¸Šã™ã‚‹ãƒ—ãƒã‚¸ã‚§ã‚¯ãƒˆã€ŒInteropã€ã®2026å¹´ãƒ—ãƒã‚¸ã‚§ã‚¯ãƒˆãŒå§‹ã¾ã‚Šã¾ã—ãŸã€‚ ã“ã®è¨˜äº‹ã§ã¯ã€æ˜¨å¹´ã®Interop 2025ã®æŒ¯ã‚Šè¿”ã‚Šã¨ã€æ–°ãŸã«Interop 2026ã§ã©ã®APIãŒé‡ç‚¹å¯¾è±¡ã¨ã—ã¦é¸å‡ºã•ã‚ŒãŸã®ã‹ã«ã¤ã„ã¦è§¦ã‚Œã¦ã„ãã¾ã™ã€‚ å‰æçŸ¥è˜ã¨ã—ã¦ã€Interopãã®ã‚‚ã®ã®å–ã‚Šçµ„ã¿ã«ã¤ã„ã¦ã®è§£èª¬ã«ã¤ã„ã¦ã¯ã€ä»¥å‰æ›¸ã„ãŸInterop 2025ã®ãƒ—ãƒãƒãƒ¼ã‚¶ãƒ«æŠ•ç¥¨ãŒå§‹ã¾ã‚Šã¾ã—ãŸï¼ã‚’ã”è¦§ãã ã•ã„ã€‚ Interop 2025ã®æŒ¯ã‚Šè¿”ã‚Š 2026å¹´ã®Interopãƒ—ãƒã‚¸ã‚§ã‚¯ãƒˆã«ã¤ã„ã¦è§¦ã‚Œã‚‹å‰ã«ã€ã¾ãšã¯æ˜¨å¹´ã®Interop 2025ãƒ—ãƒã‚¸ã‚§ã‚¯ãƒˆã«ã¤ã„ã¦æŒ¯ã‚Šè¿”ã£ã¦ã¿ã¾ã—ã‚‡ã†ã€‚ Stable Experimental æœ€æ–°ã®å®‰å®šç‰ˆãƒ–ãƒ©ã‚¦ã‚¶ã§ã®ãƒªãƒªãƒ¼ã‚¹ã«ãŠã„ã¦ã¯å…¨ä½“ã§95ç‚¹ã¾ã§é”æˆã•ã‚Œã¦ãŠã‚Šã€ãƒ—ãƒ¬ãƒªãƒªãƒ¼ã‚¹ç‰ˆã«ãŠã„ã¦ã¯97ç‚¹ã¾ã§ç¶²ç¾…ã•ã‚Œã¦ã„ã¾ã—ãŸã€‚
efcl 2026/02/15
ãƒ–ãƒ©ã‚¦ã‚¶ã®ç›¸äº’é‹ç”¨æ€§ã®å‘ä¸Šã‚’ç›®æŒ‡ã™ãƒ—ãƒã‚¸ã‚§ã‚¯ãƒˆã§ã‚ã‚‹Interop 2026ã«ã¤ã„ã¦ã€‚ Appleã€Googleã€Microsoftã€Mozillaãªã©ã®ãƒ–ãƒ©ã‚¦ã‚¶ãƒ™ãƒ³ãƒ€ãƒ¼ãŒå‚åŠ ã—ã¦ã„ã‚‹ã€‚ CSS Anchor Positioningã€Container Style Queriesã€Navigation APIã€View Transitionsãªã©ãŒãƒ•ã‚©

browser

WebPlatformAPI

article
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Chrome 146 beta Â |Â Blog Â |Â Chrome for Developers
Published: February 11, 2026 Unless otherwise noted, these changes apply to the latest Chrome Beta channel release for Android, ChromeOS, Linux, macOS, and Windows. For more information about these features, see the provided links or the list on ChromeStatus.com. Download the latest version from Google.com for desktop or from Google Play Store on Android. CSS and UI Scroll-triggered animations Thi
efcl 2026/02/12
Chrome 146 Betaãƒªãƒªãƒ¼ã‚¹ã€‚ CSSã®`text-indent`ãƒ—ãƒãƒ‘ãƒ†ã‚£ã§`hanging`/`each-line`ã‚ãƒ¼ãƒ¯ãƒ¼ãƒ‰ã®ã‚µãƒãƒ¼ãƒˆã€Scroll-Triggered Animationsã®ã‚µãƒãƒ¼ãƒˆã€‚ Sanitizer APIã®è¿½åŠ ã€`Iterator.concat()`ã®ã‚µãƒãƒ¼ãƒˆã€`Intl.Locale.prototype.variants`ã®è¿½åŠ ã€‚ `meta name="text-scale"`

Chrome

ReleaseNote

CSS

WebGPU

WebPlatformAPI
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WebMCP is available for early preview Â |Â Blog Â |Â Chrome for Developers
Published: February 10, 2026 As the agentic web evolves, we want to help websites play an active role in how AI agents interact with them. WebMCP aims to provide a standard way for exposing structured tools, ensuring AI agents can perform actions on your site with increased speed, reliability, and precision. By defining these tools, you tell agents how and where to interact with your site, whether
efcl 2026/02/12
Chrome 146 DevTrialã§WebMCPã®Early PreviewãŒå®Ÿè£…ã•ã‚ŒãŸã€‚ å®£è¨€çš„APIï¼ˆHTMLãƒ•ã‚©ãƒ¼ãƒ ãƒ™ãƒ¼ã‚¹ï¼‰ã¨å‘½ä»¤çš„APIï¼ˆJavaScriptå®Ÿè¡Œï¼‰ã®2ã¤ã®APIã‚’ææ¡ˆã—ã¦ã„ã‚‹ã€‚ AIã‚¨ãƒ¼ã‚¸ã‚§ãƒ³ãƒˆãŒDOMæ“ä½œã‚„ãƒ“ã‚¸ãƒ¥ã‚¢ãƒ«ãªè§£æžãªã—ã«ã€ã‚¦ã‚§ãƒ–ã‚µã‚¤ãƒˆã¨æ§‹é€ åŒ–ã•ã‚ŒãŸæ–¹æ³•

Chrome

MCP

WebPlatformAPI

AI
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Chrome Platform Status
efcl 2026/01/15
Clipboardã®å¤‰æ›´ã‚’æ¤œçŸ¥ã§ãã‚‹ `clipboardchange` ã‚¤ãƒ™ãƒ³ãƒˆã€‚ ãƒ‰ã‚ãƒ¥ãƒ¡ãƒ³ãƒˆãŒãƒ•ã‚©ãƒ¼ã‚«ã‚¹ã‚’æŒã£ã¦ã„ã‚‹å ´åˆã«ã®ã¿ç™ºç«ã—ã€ãƒ•ã‚©ãƒ¼ã‚«ã‚¹ãŒãªã„é–“ã®å¤‰æ›´ã¯ãƒ•ã‚©ãƒ¼ã‚«ã‚¹å¾©å¸°æ™‚ã«ã¾ã¨ã‚ã¦1å›žã ã‘ç™ºç«ã™ã‚‹ã€‚

Chrome

WebPlatformAPI
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Interest Invokers (Explainer) | Open UI
efcl 2025/11/04
:focus-inã«å¯¾ã™ã‚‹pointer eventçš„ãªæŠ½è±¡ãƒ¬ã‚¤ãƒ¤ãƒ¼ã€‚ tooltipãªã©ã¯ã‚ãƒ¼ãƒœãƒ¼ãƒ‰ãƒ¦ãƒ¼ã‚¶ãƒ¼ã§ã¯focusã§æ‰±ã†ã‘ã©ã€`interstfor`ã¯ãã‚Œã‚’ã‚¿ãƒƒãƒãƒ‡ãƒã‚¤ã‚¹ã§ã¯ãƒãƒ³ã‚°ãƒ—ãƒ¬ã‚¹ãªã©ã§æ‰±ãˆã‚‹ã‚ˆã†ã«ã™ã‚‹ã‚ˆã†ãªæŠ½è±¡æ¦‚å¿µã€‚

WebPlatformAPI

accessibility
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1ã‹ã‚‰ç†è§£ã™ã‚‹Web Push
2025/9/6 ãƒ•ãƒãƒ³ãƒˆã‚¨ãƒ³ãƒ‰ã‚«ãƒ³ãƒ•ã‚¡ãƒ¬ãƒ³ã‚¹åŒ—æµ·é“ 2025
efcl 2025/09/08
Web Pushã¨Push Serviceã«ã¤ã„ã¦ã€‚ Web PushãŒã©ã®ã‚ˆã†ã«å‹•ã„ã¦ã‚‹ã®ã‹ã€ãƒ–ãƒ©ã‚¦ã‚¶ãƒ™ãƒ³ãƒ€ãƒ¼ã®Push Serverã®å®Ÿè£…ã«ã¤ã„ã¦ãªã©

browser

WebPlatformAPI

slide
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Modern Cookie Management with the Cookie Store API
Learn how the Cookie Store API modernizes cookie management with async operations and event handling for efficient, error-free web development. The browser Cookie Store API represents a modern approach to handling cookies in web applications. The way weâ€™ve always done it is using document.cookie which is error-prone because you have to work with key/value pairs in a string. Besides being error-pro
efcl 2025/04/06
Cookie Store APIã«ã¤ã„ã¦ã€‚ `document.cookie`ã¨ã®é•ã„ã‚„Cookie Store API ã‚’ä½¿ã£ãŸCookieã®èªã¿æ›¸ãã«ã¤ã„ã¦

JavaScript

WebPlatformAPI

article
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WebæŠ€è¡“ã®äº’æ›æ€§ã‚’æŠŠæ¡ã™ã‚‹ãŸã‚ã®Baselineã¨Web Platform Status Dashboard
Webãƒ–ãƒ©ã‚¦ã‚¶ã®é€²åŒ–ã«ä¼´ã„ã€æ–°ã—ã„æ©Ÿèƒ½ã‚„æŠ€è¡“ãŒæ¬¡ã€…ã¨ç™»å ´ã—ã¦ã„ã¾ã™ã€‚ã—ã‹ã—ã€å„ãƒ–ãƒ©ã‚¦ã‚¶ã®å®Ÿè£…çŠ¶æ³ã‚„äº’æ›æ€§ã‚’æŠŠæ¡ã™ã‚‹ã“ã¨ã¯ã€é–‹ç™ºè€…ã«ã¨ã£ã¦å¤§ããªèª²é¡Œã§ã—ãŸã€‚ã“ã®èª²é¡Œã‚’è§£æ±ºã™ã‚‹ãŸã‚ã€2024å¹´ã«æ•´å‚™ãŒé€²ã¿ã€2025å¹´ã‹ã‚‰æœ¬æ ¼çš„ã«æ´»ç”¨ã§ãã‚‹æŒ‡æ¨™ãŒã€ŒBaselineã€ã§ã™ã€‚æœ¬è¨˜äº‹ã§ã¯ã€2024å¹´ã«å¤§ããé€²å±•ã—ãŸBaselineã¨Web Platform Status Dashboardã«ã¤ã„ã¦ç´¹ä»‹ã—ã¾ã™ã€‚ Baselineã®ãŠã•ã‚‰ã„ Safariã€Chromeã€Edgeã€Firefoxã¨ã„ã£ãŸä¸»è¦ãªWebãƒ–ãƒ©ã‚¦ã‚¶é–“ã§ã®æ©Ÿèƒ½ã®äº’æ›æ€§ãƒ¬ãƒ™ãƒ«ã‚’ä½“ç³»çš„ã«å®šç¾©ã—ã€é–‹ç™ºè€…ã«æ˜Žç¢ºãªæŒ‡æ¨™ã‚’æä¾›ã™ã‚‹ã‚‚ã®ã§ã™ã€‚ã“ã‚Œã«ã‚ˆã‚Šã€ã‚¯ãƒã‚¹ãƒ–ãƒ©ã‚¦ã‚¶é–‹ç™ºã«ãŠã‘ã‚‹äºˆæ¸¬å¯èƒ½æ€§ã¨ä¿¡é ¼æ€§ãŒå‘ä¸Šã—ã¾ã™ã€‚ é–‹ç™ºè€…å‘ã‘ã®ä¸»è¦ãªãƒªãƒ•ã‚¡ãƒ¬ãƒ³ã‚¹ãƒ—ãƒ©ãƒƒãƒˆãƒ•ã‚©ãƒ¼ãƒ ã§ã‚ã‚‹MDNã‚„Can I Useã«ãŠã„ã¦ã€å„æ©Ÿèƒ½ã®Baselineã‚¹ãƒ†ãƒ¼ã‚¿ã‚¹ãŒãƒ©ãƒ™ãƒ«ã¨ã—ã¦æ˜Ž
efcl 2025/02/24
Baselineã¨Web Platform Status Dashboardã«ã¤ã„ã¦

WebPlatformAPI

article
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Interop 2025ãŒã‚¹ã‚¿ãƒ¼ãƒˆ | ãƒ•ãƒãƒ³ãƒˆã‚¨ãƒ³ãƒ‰Blog | ãƒŸãƒ„ã‚¨ãƒ¼ãƒªãƒ³ã‚¯ã‚¹
Interop 2025ã®å–ã‚Šçµ„ã¿ãŒã‚¹ã‚¿ãƒ¼ãƒˆã—ãŸæ—¨ã‚’çŸ¥ã‚‰ã›ã‚‹è¨˜äº‹ãŒã€å‚åŠ çµ„ç¹”ãã‚Œãžã‚Œã‹ã‚‰ä¸€æ–‰ã«å…¬é–‹ã•ã‚Œã¾ã—ãŸã€‚ Announcing Interop 2025 | WebKit Interop 2025 Launch - Bocoup Interop 2025: another year of web platform improvements | Blog | web.dev Interop 2025 | Igalia Microsoft Edge and Interop 2025 - Microsoft Edge Blog Launching Interop 2025 - Mozilla Hacks - the Web developer blog 2025å¹´ã®é‡ç‚¹åˆ†é‡Žã¨ãã®é€²æ—çŠ¶æ³ã¯Interop 2025 Dashboardã§ç¢ºèªãŒã§ãã¾ã™ã€‚ Interop 2024ã‚ˆã‚Šå¼•ãç¶™ãŒã‚Œ
efcl 2025/02/22
ãƒ–ãƒ©ã‚¦ã‚¶ã®ç›¸äº’é‹ç”¨æ€§å‘ä¸Šã®å–ã‚Šçµ„ã¿ã§ã‚ã‚‹Interop 2025ãŒç™ºè¡¨ã•ã‚ŒãŸã€‚

browser

article

WebPlatformAPI
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Web platform features explorer - All release notes
August 2025 Speech recognition July 2025 <dialog closedby> font-variant-emoji MathML June 2025 abs() and sign() sibling-count() and sibling-index() stretch Summarizer Small, large, and dynamic viewport units OES_draw_buffers_indexed WebGL extension May 2025 Selection composed ranges font-palette hidden="until-found" if() print-color-adjust reading-flow RegExp.escape() dialog.requestClose() Tempora
efcl 2024/10/02
web-featuresã‚„browser-compat-dataã‚’å…ƒã«ã—ãŸãƒ–ãƒ©ã‚¦ã‚¶ã®æ–°ã—ã„æ©Ÿèƒ½ã‚’ãƒªãƒªãƒ¼ã‚¹ãƒŽãƒ¼ãƒˆå½¢å¼ã§ã¾ã¨ã‚ãŸã‚µã‚¤ãƒˆ

WebPlatformAPI

news

webservice
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iOS404
The missing web features of iOS
efcl 2024/04/18
Safariã«ãªã„æ©Ÿèƒ½

iOS

WebPlatformAPI
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Compression Streams are now supported on all browsers Â |Â Blog Â |Â web.dev
Web Platform Dive into the web platform, at your pace.
efcl 2024/02/05
gzipã®åœ§ç¸®/è§£å‡ã™ã‚‹CompressionStreamãŒå…¨ã¦ã®ãƒ–ãƒ©ã‚¦ã‚¶ã§åˆ©ç”¨ã§ãã‚‹ã‚ˆã†ã«ãªã£ãŸã€‚

JavaScript

browser

WebPlatformAPI

article
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Interop 2024ãŒã‚¹ã‚¿ãƒ¼ãƒˆ | ãƒ•ãƒãƒ³ãƒˆã‚¨ãƒ³ãƒ‰Blog | ãƒŸãƒ„ã‚¨ãƒ¼ãƒªãƒ³ã‚¯ã‚¹
Interop 2022ã€Interop 2023ã«ç¶šãã€Interop 2024ã®å–ã‚Šçµ„ã¿ãŒã‚¹ã‚¿ãƒ¼ãƒˆã—ãŸæ—¨ã‚’çŸ¥ã‚‰ã›ã‚‹è¨˜äº‹ãŒã€å‚åŠ çµ„ç¹”ãã‚Œãžã‚Œã‹ã‚‰ä¸€æ–‰ã«å…¬é–‹ã•ã‚Œã¾ã—ãŸã€‚ Interop 2024 | Blog | web.dev The web just gets better with Interop 2024 | WebKit Interop 2024 Launch - Bocoup Interop 2024 Launches | Igalia Microsoft Edge and Interop 2024 - Microsoft Edge Blog Announcing Interop 2024 - Mozilla Hacks - the Web developer blog åŠ ãˆã¦ã€æ—¢ã«Interop 2024 DashboardãŒå…¬é–‹ã•ã‚Œã¦ã„ã¾ã™ã€‚Interop 2023ã‚ˆã‚Šå¼•ã
efcl 2024/02/02
ãƒ–ãƒ©ã‚¦ã‚¶ãƒ™ãƒ³ãƒ€ãƒ¼ãŒæ³¨åŠ›ã—ã¦ç›¸äº’é‹ç”¨æ€§ã«å–ã‚Šçµ„ã‚€Interop 2024ã«ã¤ã„ã¦ã€‚

browser

WebPlatformAPI

article
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Umbrella features for old versions of HTML, CSS and JavaScript Â· Issue #558 Â· web-platform-dx/web-features
efcl 2024/02/01
ECMAScriptã‚„è¨€èªžæ©Ÿèƒ½ã®æ´å²èª¿æŸ»ã€‚ ã©ã®ãƒãƒ¼ã‚¸ãƒ§ãƒ³ã§å…¥ã£ãŸã‹

WebPlatformAPI

ECMAScript
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ArrayBuffer.prototype.transfer() - JavaScript | MDN
Parameters newByteLength Optional The byteLength of the new ArrayBuffer. Defaults to the byteLength of this ArrayBuffer. If newByteLength is smaller than the byteLength of this ArrayBuffer, the "overflowing" bytes are dropped. If newByteLength is larger than the byteLength of this ArrayBuffer, the extra bytes are filled with zeros. If this ArrayBuffer is resizable, newByteLength must not be greate
efcl 2024/01/24
ArrayBufferã®æ‰€æœ‰æ¨©ã‚’transferã§ãã‚‹API

JavaScript

WebPlatformAPI
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HTML DOM â€” Phuoc Nguyen
Web development moves at lightning speed. I still rem ember when I first started using libraries like jQuery, Prototype, script.aculo.us, Zepto, and many more. Even with modern tools like Angular, VueJS, React, Solid and Svelte, we still have to deal with the Document Object Model (DOM). While these frameworks encapsulate and hide direct DOM management, they still give us access to work with the DO
efcl 2023/11/15
DOM APIã‚’ä½¿ã£ãŸé€†å¼•ããƒªãƒ•ã‚¡ãƒ¬ãƒ³ã‚¹çš„ãªã‚µã‚¤ãƒˆ

JavaScript

DOM

WebPlatformAPI

tutorial
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Specification Review: FetchLater API Â· Issue #887 Â· w3ctag/design-reviews
efcl 2023/08/31
SendBeaconçš„ãªAPI

WebPlatformAPI

proposal
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GitHub - explainers-by-googlers/Web-Environment-Integrity
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efcl 2023/07/25
DRM API

WebPlatformAPI
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GitHub - ben-allen/locale-extensions
efcl 2023/07/11
`navigator.localeExtensions`

WebPlatformAPI

proposal
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deliveryType (Resource Timing) Â· Issue #858 Â· w3ctag/design-reviews
ã“ã‚“ã«ã¡ã¯ TAG-ã•ã‚“! I'm requesting a TAG review of deliveryType (part of Resource Timing). Resources on the web are usually fetched via HTTP (from the origin server), but in some cases they are known to be delivered from a cache or other buffer, in a way that affects loading performance. Insight into this is useful for authors understanding when these caches accelerate resource loading. The deliveryType
efcl 2023/06/15
deliveryTypeã§ã‚ãƒ£ãƒƒã‚·ãƒ¥ã‹ã‚‰èªã‚“ã ã®ã‹ã€prefetchã§èªã¾ã‚ŒãŸã®ã‹ãŒåˆ†ã‹ã‚‹ã‚ˆã†ã«ã™ã‚‹proposal

browser

WebPlatformAPI

proposal
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