Overview of WebKit’s CSS JIT Compiler
When it comes to performance, JavaScript generally gets the headlines. But if you look carefully, web pages are not all JavaScript, the performance of all the other parts also has a dramatic impact on the user experience. Observing only JavaScript gives a single point of view over the complex mosaic that is web performance. Making CSS faster and more scalable is an area of research in the WebKit p
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
Release Notes for Safari Technology Preview 115
Safari Technology Preview Release 115 is now available for download for macOS Big Sur and macOS Catalina. 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 267325-267959. Web Inspector Sources Tab Added a checkbox to the popover when configuring a local override to allow it to ski
Release Notes for Safari Technology Preview 114
Safari Technology Preview Release 114 is now available for download for macOS Big Sur and macOS Catalina. 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 265893-267325. Web Inspector Elements Tab Changed to grey out properties that aren’t used or don’t apply (r266066) Changed to
Release Notes for Safari Technology Preview 110
Safari Technology Preview Release 110 is now available for download for macOS Big Sur and macOS Catalina. 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 263214-263988. WebRTC Added a functional WebRTC VP9 codec (r263734, r263820) Allowed registering VP9 as a VT decoder (r263894
Tracking Prevention in WebKit
ContentsTerminologyThe Default Cookie PolicyPrivate Browsing ModePartitioned Third-Party StoragePartitioned Service WorkersPartitioned Third-Party HTTP CacheAnti FingerprintingIntelligent Tracking Prevention (ITP) WebKit has implemented tracking prevention technologies, spanning from 2003 with Safari 1.0 until today. Most of them are on by default. This document describes shipping behavior includi
Release Notes for Safari Technology Preview 109 with Safari 14 Features
Safari Technology Preview Release 109 is now available for download for macOS Catalina. With this release, Safari Technology Preview is now available for betas of macOS Big Sur. If you already have Safari Technology Preview installed, you can update in the Software Update pane of System Preferences on macOS. Safari Technology Preview is currently only available for Intel-based Macs. This release i
Release Notes for Safari Technology Preview 💯
Safari Technology Preview Release 100 is now available for download for macOS Catalina and macOS Mojave. 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 254696-255473. Web Inspector Added links to Web Inspector Reference documentation (r254730) Renamed the Canvas Tab to be the G
ResizeObserver in WebKit
For years now, web developers have desired the ability to design components that are responsive to their container instead of the viewport. Developers are used to using media queries against viewport width for responsive designs, but having media queries based on element sizes is not possible in CSS because it could result in circular dependencies. Thus, a JavaScript solution was required. ResizeO
Release Notes for Safari Technology Preview 99
Safari Technology Preview Release 99 is now available for download for macOS Catalina and macOS Mojave. 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 253789-254696. Legacy Plug-Ins Removed support for Adobe Flash Web Inspector Elements Enabled the P3 color picker (r253802) Add
Intelligent Tracking Prevention 2.3
Note: Read about past updates to this technology in other blog posts about Intelligent Tracking Prevention, the Storage Access API, and ITP Debug Mode. Intelligent Tracking Prevention (ITP) version 2.3 is included in Safari on iOS 13, the iPadOS beta, and Safari 13 on macOS for Catalina, Mojave, and High Sierra. Enhanced Prevention of Tracking Via Link Decoration Our previous release, ITP 2.2, foc
Release Notes for Safari Technology Preview 91
Safari Technology Preview Release 91 is now available for download for macOS Mojave and the macOS Catalina beta. 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 248705-249190. Security Disabled legacy TLS 1.0 and TLS 1.1 (r249019) JavaScript API Added a public API for unhandled
Release Notes for Safari Technology Preview 86
Safari Technology Preview Release 86 is now available for download for macOS Catalina betas and macOS Mojave. 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 246093-246691. Pointer Events Added support for chorded button interactions (r246103, r246149) Updated to fire pointerout
Introducing Storage Access API
Note: Read about improvements to this technology in recent blog posts about Intelligent Tracking Prevention, and the Storage Access API. In June last year we introduced Intelligent Tracking Prevention (ITP). ITP is a privacy feature that detects which domains have the ability to track the user cross-site and either partitions the domain’s cookies or purges its website data all together. The strong
Release Notes for Safari Technology Preview 50
Safari Technology Preview Release 50 is now available for download for macOS Sierra and macOS High Sierra. If you already have Safari Technology Preview installed, you can update from the Mac App Store’s Updates tab. This release covers WebKit revisions 227873-228454. Service Workers Added support for cache storage of blob responses (r228326) Changed to queue a microtask when a waitUntil() promise
Release Notes for Safari Technology Preview 46
Safari Technology Preview Release 46 is now available for download for macOS Sierra and macOS High Sierra. If you already have Safari Technology Preview installed, you can update from the Mac App Store’s Updates tab. This release covers WebKit revisions 225266-225841. Service Workers Offline applications are important to the web. After HTML5 first tried to accommodate them with the Offline Applica
1
リリース、障害情報などのサービスのお知らせ
最新の人気エントリーの配信
j次のブックマーク
k前のブックマーク
lあとで読む
eコメント一覧を開く
oページを開く
Console Object API