When people say “debuggers are useless and using logging and unit-tests is much better,” I suspect many of them think that debuggers can only put breakpoints on certain lines, step-step-step through the code, and check variable values. While any reasonable debugger can indeed do all of that, it’s only the tip of the iceberg. Think about it; we could already step through the code 40 years ago, sure
Useful DevTools Tips and Tricks — Smashing Magazine
You might think you know all the tricks when it comes to browser DevTools, but did you know that there are dozens of panels and hundreds of features waiting to supercharge your debugging workflow? Whatever your debugging use case is, there’s probably a tool that’s right for the job. Let’s discover the most popular DevTools tips that can boost your productivity. When it comes to browser DevTools, w
Eyes Above The Waves Robert O'Callahan. Christian. Repatriate Kiwi. Hacker. Archive 2025 June Not Joking About AI Building A PC April Rakiura Northwest Circuit February Tongariro Northern Circuit 2025 January Pararaha Valley 2025 2024 December Mt Arthur/Tablelands/Cobb Valley November Queen Charlotte Track 2024 October Auckland Half Marathon 2024 Advanced Debugging Technology In Practice June Waih
State of Text Rendering 2024
Preface In 2009 I wrote State of Text Rendering, as a high-level review of the Free Software text rendering stack, with a focus on shaping, and mostly in the context of the GNOME Desktop. Since then, I have spent around twelve years working on various Google products to improve fonts and text rendering: all Open Source work. When I wrote that text in 2009, my main assignment was to finish HarfBuzz
Join a VS Code Dev Days event near you to learn about AI-assisted development in VS Code. Update 1.56.1: The update addresses these security issues. Update 1.56.2: The update addresses these issues. Downloads: Windows: x64 Arm64 | Mac: Universal Intel silicon | Linux: deb rpm tarball Arm snap Welcome to the April 2021 release of Visual Studio Code. The VS Code team has been busy this month working
Update 1.90.2: The update addresses these issues. Update 1.90.1: The update addresses these issues. Downloads: Windows: x64 Arm64 | Mac: Universal Intel silicon | Linux: deb rpm tarball Arm snap Welcome to the May 2024 release of Visual Studio Code. There are many updates in this version that we hope you'll like, some of the key highlights include: Editor tabs multi-select - Select and perform act
JupyterLab Changelog — JupyterLab 4.6.0a1 documentation
JupyterLab Changelog# v4.5# JupyterLab 4.5 includes a number of new features (described below), bug fixes, and enhancements. This release is compatible with extensions supporting JupyterLab 4.0. Extension authors are encouraged to consult the Extension Migration Guide which lists deprecations and changes to the public API. Performance and windowing# The default windowing mode is now contentVisibil
What’s New With DevTools: Cross-Browser Edition — Smashing Magazine
Learn what’s new with developer tools in Firefox, Edge, Chrome and Safari. Discover new and powerful features that will help you be more comfortable and productive when testing and debugging across browsers. With this article, Patrick Brosset tries to make you want to try them out, and maybe will help you get more comfortable next time you need to debug a browser-specific issue. Browser developer
Front-end developers spend a significant amount of time working inside the browser’s DevTools. Likely just as much as they spend time writing code in the code editor. However, most developers barely scratch the surface of what DevTools can accomplish. I have been curating a collection of DevTools tips across major browsers. The following are some of the useful tips & tricks for across different br
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
September 2, 2025 Opinions expressed are solely my own and do not express the views or opinions of my employer Introduction I still remember the fall of 2008 when Google launched Chrome - a quirky new browser with a comic book as its press release. As someone who’s spent a long time on the Chrome team, I’ve watched this project grow from a secret skunkworks to a browser used by billions. Chrome tu
Update 1.93.1: The update addresses these issues. Downloads: Windows: x64 Arm64 | Mac: Universal Intel silicon | Linux: deb rpm tarball Arm snap Welcome to the August 2024 release of Visual Studio Code. There are many updates in this version that we hope you'll like, some of the key highlights include: Profiles editor - Switch and manage your profiles from a single place. Django unit test support
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
Update 1.64.1: The update addresses these security issues. Update 1.64.2: The update addresses these issues. Downloads: Windows: x64 Arm64 | Mac: Universal Intel silicon | Linux: deb rpm tarball Arm snap Welcome to the January 2022 release of Visual Studio Code. There are many updates in this version that we hope you will like, some of the key highlights include: New Side Panel - Display more view
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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What a good debugger can do 🔮
So You Want To Build A Browser Engine
April 2021 (version 1.56)
May 2024 (version 1.90)
DevTools Tips & Tricks – Frontend Masters Blog
Google Chrome at 17 - A history of our browser
August 2024 (version 1.93)
January 2022 (version 1.64)