WebKitのReviewerになった
先日WebKitのReviewerになりました。担当はJavaScriptCoreです、WebCoreのことは何も知りません。 I'm officially a WebKit Reviewer! I would like to thank all the JSC Reviewers who reviewed my patches and @Constellation for nominating me. — sosuke (@__sosukesuzuki) February 22, 2025 Reviwerというのは、WebKit開発者の中でもっとも強い権限を持つ人たちです。人のパッチを正式にrejectしたりapproveしたりできます。 去年の8月にWebKit Committerになったときは、やるべきことを投げ出してWebKitに向き合っていた罪悪感があったため、ポジティブな気持ち
WebKit(JavaScriptCore)に100個のPull Requestがマージされた
今年の 2 月から WebKit の JavaScript 処理系である JavaScriptCore に Pull Request を投げ続けています。 JavaScriptCore のソースコードは WebKit のリポジトリ https://github.com/webkit/webkit に完全に含まれています。なので、僕が Pull Request を投げる先も WebKit のリポジトリということになります。そして先日、WebKit リポジトリにマージされた自分の Pull Request の数が 100 に達しました。 Pull Request を作るという活動をやめなければ当然いつかは 100 個に達するので別に偉業ということはないんですが、どちらかというと大して意味のないことをやめられなかったというネガティブな気持ちの方が強くあります。[1] とはいえ、JavaScrip
Optimizing WebKit & Safari for Speedometer 3.0
Apr 10, 2024 by Alan Baradlay, Antti Koivisto, Matt Woodrow, Patrick Angle, Ryosuke Niwa, Vitor Ribeiro Roriz, Wenson Hsieh, and Yusuke Suzuki The introduction of Speedometer 3.0 is a major step forward in making the web faster for all, and allowing Web developers to make websites and web apps that were not previously possible. In this article, we explore ways the WebKit team made performance opti
Implementing Vertical Form Controls
Safari 17.4 adds vertical writing mode support for form control elements across macOS, iOS, iPadOS, and visionOS. Setting written text vertically is commonly observed in East Asian languages. For example, Chinese, Japanese, and Korean (CJK) may be written vertically and read top-to-bottom, flowing in lines from right to left. Similarly, Traditional Mongolian is a vertical script that flows in line
WebKit Features in Safari 17.4
ContentsArchitectural improvementsWeb AppsForm elementsCSSWeb APIJavaScriptMediaSVGWebGLWeb AssemblyWeb InspectorChanges to SafariSafari ExtensionsWeb AuthenticationBug Fixes and moreUpdating to Safari 17.4Feedback Just like Safari 15.4 and Safari 16.4, this March’s release of Safari 17.4 is a significant one for web developers. We’re proud to announce another 46 features and 146 bug fixes. You ca
最新のSafari 17.4、日本語の縦書き表示をサポート。Webkitのインラインレイアウトエンジンの全面的な書き換えが完了と報告
AppleのWebブラウザ「Safari 17.4」で、日本語の縦書き表示が可能になった。本バージョンではWebKitのインラインレイアウトエンジンの全面的な書き換えを完了し、相互運用性やパフォーマンスが向上した。 Appleは、3月5日付けでリリースされたiOS 17.4、iPadOS 17.4、現在ベータ版のmacOS Sonoma 14.4などにバンドルされるWebブラウザ「Safari 17.4」で、日本語の縦書き表示が可能になったことを明らかにしました。 AppleはこのSafari 17.4で、過去21年間使われてきたレンダリングエンジンであるWebkitのレガシーなラインレイアウトエンジンをついに廃止し、インラインレイアウトエンジンの全面的な書き換えを完了したことを報告しています。 これにより、最新のWeb標準での相互運用性が向上し、インラインレイアウトのバグが減り、パフォー
WebKit Features in Safari 17.0
Sep 18, 2023 by Jen Simmons and the Safari / WebKit Team Today’s the day for Safari 17.0. It’s now available for iOS 17 and iPadOS 17. [Update September 26th] And now, Safari 17.0 is available for macOS Ventura, and macOS Monterey, and macOS Sonoma. Safari 17.0 is also available in the vision OS Simulator, where you can test your website by downloading the latest beta of Xcode 15, which supports t
News from WWDC23: WebKit Features in Safari 17 beta
Jun 6, 2023 by Patrick Angle, Jean-Yves Avenard, Marcos Caceres, Ada Rose Cannon, Eric Carlson, Garrett Davidson, Jon Davis, Karl Dubost, Brady Eidson, Matthew Finkel, Simon Fraser, Brent Fulgham, Rachel Ginsberg, David Johnson, Anne van Kesteren, Mark Lam, Sihui Liu, Justin Michaud, Jer Noble, Tim Nguyen, Ben Nham, Richard Robinson, Michael Saboff, Alexey Shvaika, Jen Simmons, Sam Sneddon, Brando
WebKit Features in Safari 16.4
Mar 27, 2023 by Patrick Angle, Marcos Caceres, Razvan Caliman, Jon Davis, Brady Eidson, Timothy Hatcher, Ryosuke Niwa, and Jen Simmons ContentsWeb Push on iOS and iPadOSImprovements for Web AppsWeb ComponentsCSSHTMLJavaScript and WebAssemblyWeb APIImages, Video, and AudioWKWebViewDeveloper ToolingWeb InspectorSafari Web ExtensionsSafari Content BlockersNew Restrictions in Lockdown ModeMore Improve
WebKit on GitHub!
On June 23rd, the WebKit project froze its Subversion tree and transitioned management and interaction with our source code to git on GitHub. Why git? git’s distributed nature makes it easy for not just multiple developers, but multiple organizations to collaborate on a single project. git’s local record of changes makes moving commits between branches or reverting changes simple and quick. git’s
Understanding Garbage Collection in JavaScriptCore From Scratch
JavaScript relies on garbage collection (GC) to reclaim memory. In this post, we will dig into JSC’s garbage collection system. Before we start, let me briefly introduce myself. I am Haoran Xu, a PhD student at Stanford University. While I have not yet contributed a lot to JSC, I found JSC a treasure of elegant compiler designs and efficient implementations, and my research is exploring ways to tr
New WebKit Features in Safari 15.6
Safari 15.6 is the seventh major release of Safari since last fall’s Safari 15.0. Continuing efforts from Safari 15.5, WebKit’s work for this version of Safari was focused predominately on fixing bugs and polishing existing features. Safari 15.6 does include one new feature for web developers — the :modal CSS pseudo-class. Safari 15.6 is available for macOS Monterey 12.5, macOS Big Sur, macOS Cata
[webkit-dev] WebKit is now on GitHub
Jonathan Bedard jbedard at apple.com Thu Jun 23 10:29:55 PDT 2022 Previous message (by thread): [webkit-dev] Request for position: MediaTrackSupportedConstraints.backgroundBlur Next message (by thread): [webkit-dev] WebKit is now on GitHub Messages sorted by: [ date ] [ thread ] [ subject ] [ author ] r295779 is the last commit to WebKit’s Subversion repository. https://github.com/WebKit/WebKit is
News from WWDC22: WebKit Features in Safari 16 Beta
ContentsWeb Inspector ExtensionsContainer QueriesWeb Push for macOSSubgridFlexbox InspectorAccessibility ImprovementsAnimation ImprovementsOverscroll BehaviorShared WorkerAnd moreFeedback WebKit has had a big year, with over 162 new features and improvements shipping in WebKit browsers — including Safari 15.2, Safari 15.4, and Safari 15.5. Features from earlier this year include dialog element, la
New WebKit Features in Safari 15.4
ContentsHTMLCSSWeb APIsJavaScriptWeb AppsMediaPrivacySecurityWKWebViewSafari Web ExtensionsWeb InspectorFeedbackAnd More With over 70 additions to WebKit, Safari 15.4 is packed with new web technologies, updates, and fixes. We’ve assembled a huge release as part of our commitment to web developers, and the people who use the web. This is the first big WebKit release of 2022, and we’re just getting
New WebKit Features in Safari 15.2
The internet has always been about communication and collaboration. It started with asynchronous messages made of text. As it matured, the internet became real-time. Then the web came along, adding images, and later, video. Websites provided a means to publish, to broadcast, to run stores, to gather communities and create worlds. Now, the web is maturing to the point where web apps make rich colla
Release Notes for Safari Technology Preview 135
Safari Technology Preview Release 135 is now available for download for macOS Big Sur and macOS Monterey. If you already have Safari Technology Preview installed, you can update in the Software Update pane of System Preferences on macOS. This release covers WebKit revisions 284370-285101. Note: Tab Groups do not sync in this release. Web Inspector and Web Driver Fixed “testForLinkLabels” Accessibi
WebKit Features in Safari at WWDC21
There’s a lot of news coming out of WWDC21 about WebKit and the web technology that’s shipping in Safari 15 on Apple’s platforms. Many of the new features were announced on Monday, at this year’s WWDC21 Keynote, and listed in the Safari 15 Beta Release Notes. But that’s not all, and we’re excited to share it with you. Ten sessions at WWDC21 will go into greater detail and announce even more. New v
New WebKit Features in Safari 14.1
Safari 14.1 for macOS Big Sur, iPadOS 14.5, and iOS 14.5 brings new WebKit features, APIs, performance improvements, and improved compatibility for web developers. Take a look. Flexbox Gap Support Safari 14.1 now supports the gap property inside Flexbox containers, along with row-gap and column-gap. Gaps in Flexbox make it possible for web developers to create space between Flex items without reso
New WebKit Features in Safari 14
With the release of Safari 14 for macOS Big Sur, iPadOS 14, iOS 14, and watchOS 7, WebKit brings significant improvements to performance and privacy along with a host of new features for web developers. Take a look at all of the improvements WebKit is adding with the release of Safari 14. Safari Web Extensions This release brings support for Safari Web Extensions. They are a type of extension prim
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