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Updates

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The Chromium Chronicle: Time-Travel Debugging with RR

Do you find yourself running the same test over and over in the debugger, trying to figure out how the code got in a bad state? We have a tool for you! RR will record an execution trace, making it easy to step backwards, run backwards, see where variables changed their value or when a function was last called on an object.

What's New In DevTools (Chrome 83)

Emulate color vision deficiencies, emulate locales, COOP and COEP debugging, and lots more.

Deprecations and removals in Chrome 81

A round up of the deprecations and removals in Chrome 81 to help you plan.

Adding notification permission data to the Chrome User Experience Report

Chrome 80 introduced quieter permission UI for notifications. To help site owners understand notification permission metrics, we’re adding this data to the Chrome User Experience Report (CrUX) in the 202001 dataset allowing site owners gain a better understanding of typical user notification permission responses for their sites and comparable sites in their category.

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Learn why and how other developers have used the web to create amazing web experiences for their users.
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