What's New In DevTools (Chrome 96) | Blog | Chrome for Developers
Preview feature: New CSS Overview panel Use the new CSS Overview panel to identify potential CSS improvements on your page. Open the CSS Overview panel, then click on Capture overview to generate a report of your page’s CSS. You can further drill down on the information. For example, click on a color in the Colors section to view the list of elements that apply the same color. Click on an element
What's New In DevTools (Chrome 94) | Blog | Chrome for Developers
Use DevTools in your preferred language Chrome DevTools now supports more than 80 languages, allowing you to work in your preferred language! Open Settings, then select your preferred language under the Preferences > Language dropdown and reload DevTools. Preferences" width="800" height="494"> Chromium issue: 1163928 New Nest Hub devices in the Device list You can now simulate the dimensions of Ne
What's New In DevTools (Chrome 95) | Blog | Chrome for Developers
New CSS length authoring tools DevTools added an easier yet flexible way to update lengths in CSS! In the Styles pane, look for any CSS property with length (e.g. height, padding). Hover over the unit type, and notice the unit type is underlined. Click on it to select a unit type from the dropdown. Hover over the unit value, and your mouse pointer is changed to horizontal cursor. Drag horizontally
TL;DR; We are changing std::sort in LLVM’s libcxx. That’s a long story of what it took us to get there and all possible consequences, bugs you might encounter with examples from open source. We provide some benchmarks, perspective, why we did this in the first place and what it cost us with exciting ideas from Hyrum’s Law to reinforcement learning. All changes went into open source and thus I can
What's New In DevTools (Chrome 100) | Blog | Chrome for Developers
Chrome 100 Here’s to the 100th Chrome version! Chrome DevTools will continue to provide reliable tools for developers to build on the web. Take a moment to click around in the What’s New tab to celebrate the milestones. As usual, you can watch the latest What’s New in DevTools video by clicking on the image. View and edit @supports at rules in the Styles pane You can now view and edit the CSS @sup
What's New in DevTools (Chrome 117) | Blog | Chrome for Developers
Network panel improvements Override web content locally even faster The local overrides feature is now streamlined, so you can easily mock response headers and web content of remote resources from the Network panel without access to them. To override web content, open the Network panel, right-click a request, and select Override content. If you have local overrides set up but disabled, DevTools en
What's New In DevTools (Chrome 92) | Blog | Chrome for Developers
CSS grid editor A highly requested feature. You can now preview and author CSS Grid with the new CSS Grid editor! When an HTML element on your page has display: grid or display: inline-grid applied to it, you can see an icon appear next to it in the Styles pane. Click the icon to toggle the CSS grid editor. Here you can preview the potential changes with the on screen icons (e.g. justify-content:
What's New in DevTools (Chrome 113) | Blog | Chrome for Developers
Override network response headers You can now override response headers in the Network panel. Previously, you needed access to the web server to experiment with HTTP response headers. With response header overrides, you can locally prototype fixes for various headers, including but not limited to: Cross-Origin Resource Sharing (CORS) Headers Permissions-Policy Headers Cross-Origin Isolation Header
WebKit Features for Safari 26.2
Safari 26.2 is a big release. Packed with 62 new features, this release aims to make your life as a web developer easier by replacing long-standing frustrations with elegant solutions. You’ll find simpler ways to create common UI patterns with just a few lines of HTML or CSS, and no JavaScript — like auto-growing text fields with CSS field-sizing, and buttons that open/close dialogs and popovers w
What's New In DevTools (Chrome 98) | Blog | Chrome for Developers
Preview feature: Full-page accessibility tree The new Full-page accessibility tree makes it easier for you to get an overview of the full-page accessibility tree and help you better understand how your web content is exposed to assistive technology. In the Elements panel, open the Accessibility pane and select Enable full-page accessibility tree checkbox. Then, reload DevTools and you will see a n
What's New In DevTools (Chrome 93) | Blog | Chrome for Developers
Editable CSS container queries in the Styles pane You can now view and edit CSS container queries in the Styles pane. Container queries provide a much more dynamic approach to responsive design. The @container at-rule works in a similar way to a media query with @media. However, instead of querying the viewport and user agent for information, @container queries the ancestor container that matches
Try Mastering Emacs for free! Are you struggling with the basics? Have you mastered movement and editing yet? When you have read Mastering Emacs you will understand Emacs. It’s that time again: there’s a new major version of Emacs and, with it, a treasure trove of new features and changes. Notable features include the formal inclusion of native compilation, a technique that will greatly speed up y
The Blog of Scott Aaronson If you take nothing else from this blog: quantum computers won't solve hard problems instantly by just trying all solutions in parallel. Q1. Did you see Microsoft’s announcement? A. Yes, thanks, you can stop emailing to ask! Microsoft’s Chetan Nayak was even kind enough to give me a personal briefing a few weeks ago. Yesterday I did a brief interview on this for the BBC’
Downloads: Windows: x64 Arm64 | Mac: Universal Intel silicon | Linux: deb rpm tarball Arm snap Update 1.72.1: The update addresses these security issues. Update 1.72.2: The update addresses these issues. Welcome to the September 2022 release of Visual Studio Code. There are many updates in this version that we hope you'll like, some of the key highlights include: Tool bar customization - Hide/show
The Principles of Deep Learning Theory An Effective Theory Approach to Understanding Neural Networks Daniel A. Roberts and Sho Yaida based on research in collaboration with Boris Hanin drob@mit.edu, shoyaida@fb.com ii Contents Preface vii 0 Initialization 1 0.1 An Effective Theory Approach . . . . . . . . . . . . . . . . . . . . . . . . 2 0.2 The Theoretical Minimum . . . . . . . . . . . . . . . .
What's New in DevTools (Chrome 118) | Blog | Chrome for Developers
New section for custom properties in Elements > Styles The Elements panel now supports the @property CSS at-rule. It lets you define CSS custom properties explicitly and register them in a stylesheet without running any JavaScript. To inspect your registered custom properties, in Elements > Styles, hover over the property name and see its descriptors in a tooltip. In the tooltip, click the link to
What's New in DevTools (Chrome 111) | Blog | Chrome for Developers
Debugging HD color with the Styles pane New CSS color types and spaces are coming to the web! It is equally exciting that DevTools introduced new tools to help developers create, convert and debug High Definition color. The Styles pane now supports 12 new color spaces and 7 new gamuts as outlined in the CSS Color Level 4 specification. See High Definition CSS Color Guide for a comprehensive unders
What's New In DevTools (Chrome 101) | Blog | Chrome for Developers
Import and export recorded user flows as a JSON file The Recorder panel now supports importing and exporting user flow recordings as a JSON file. This addition makes it easier to share user flows and can be useful for bug reporting. For example, download this JSON file. You can import it with the import button and replay the user flow. Apart from that, you can export the recording as well. After r
Book Review: “Quantum Supremacy” by Michio Kaku (tl;dr DO NOT BUY)
The Blog of Scott Aaronson If you take nothing else from this blog: quantum computers won't solve hard problems instantly by just trying all solutions in parallel. Also, please read Zvi Mowshowitz's masterpiece on how to fix K-12 education! Update (June 6): I wish to clarify that I did not write any of the dialogue for the “Scott Aaronson” character who refutes Michio Kaku’s quantum computing hype
What's New In DevTools (Chrome 99) | Blog | Chrome for Developers
Throttling WebSocket requests The Network panel now supports throttling web socket requests. Previously, the network throttling didn't work on web socket requests. Open the Network panel, click on a web socket request and open the Messages tab to observe the message transfers. Select Slow 3G to throttle the speed. Chromium issue: 423246 New Reporting API pane in the Application panel Use the new R
What's New In DevTools (Chrome 107) | Blog | Chrome for Developers
Customize keyboard shortcuts in DevTools You can now customize keyboard shortcuts for your favorite commands in DevTools. Go to Settings > Shortcuts, hover over a command and click the Edit button (pen icon) to customize the keyboard shortcut. You can create chords (a.k.a multi-key press shortcuts) as well. Chromium issues: 1335274, 174309 Toggle light and dark themes with keyboard shortcut Config
What's New In DevTools (Chrome 97) | Blog | Chrome for Developers
Preview feature: New Recorder panel Use the new Recorder panel to record, replay and measure user flows. Open the Recorder panel. Follow the instructions on screen to start a new recording. For example, you can record the coffee checkout process with this coffee ordering demo application. After adding a coffee and filling out payment details, you can end the recording, replay the process or click
What's New in DevTools (Chrome 112) | Blog | Chrome for Developers
Recorder updates Replay extensions support The Recorder introduces support for custom replay options that you can embed into DevTools with an extension. Try out the example extension. Select the new custom replay option to open the custom replay UI. To customize the Recorder to your needs and integrate it with your tools, consider developing your own extension: explore the chrome.devtools.recorder
What's New In DevTools (Chrome 105) | Blog | Chrome for Developers
Step-by-step replay in the Recorder You can now set a breakpoint and replay a user flow step by step in the Recorder panel. To set a breakpoint, click on the blue dot next to a step. Replay your user flow, the replay will pause before executing the step. From here, you can continue the replay, execute a step, or cancel the replay. With this feature, you can fully visualize and debug your user flow
What's new in DevTools, Chrome 129 | Blog | Chrome for Developers
Recorder supports export to Puppeteer for Firefox As part of WebDriver BiDi support, the Recorder panel can now export recordings to Puppeteer for Firefox. With Puppeteer's support of Firefox, you can now record user flows using the Chrome DevTools Recorder panel, export them, and run them against both Firefox and Chrome. For more information, see WebDriver BiDi - The future of cross-browser autom
What's New In DevTools (Chrome 108) | Blog | Chrome for Developers
Hints for inactive CSS properties DevTools now identifies CSS styles that are valid but have no visible effect. In the Styles pane, DevTools fades out the inactive properties. Hover over the icon next to it to understand why the rule has no visible effect. Chromium issue: 1178508 Auto-detect XPath and text selectors in the Recorder panel The Recorder panel now supports XPath and text selectors. St
What's New In DevTools (Chrome 102) | Blog | Chrome for Developers
Preview feature: New Performance insights panel Use the Performance insights panel to get actionable and use-case-driven insights on your website's performance. Open the panel and start a new recording based on your use case. For example, let’s measure the page load of this demo page. Once the recording is complete, you get the performance insights on the Insights pane. Click on each insight item
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Changing std::sort at Google’s Scale and Beyond
What's New in Emacs 28.1?
FAQ on Microsoft’s topological qubit thing
September 2022 (version 1.72)
https://deeplearningtheory.com/PDLT.pdf