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What's New in DevTools (Microsoft Edge 125)

These are the latest features in the Stable release of Microsoft Edge DevTools.

New dedicated setting for CSS Selector Stats in Performance tool

In the Performance tool, the Enable advanced rendering instrumentation (slow) checkbox has been replaced by the Enable CSS selector stats checkbox. This checkbox controls the CSS selector statistics feature.

Selector stats tab

To record a performance trace with selector stats, select the Enable CSS selector stats checkbox, and then record a performance trace. To view the statistics for a single event, select a Recalculate Style event in your recording, and then open the Selector Stats tab.

The Selector Stats tab has the following changes:

  • The Elapsed column is sorted from high to low by default, to help you find the most time-consuming CSS selectors.

  • The Fast Reject Count column has been replaced by the % of slow-path non-matches column.

  • The unit of time has been changed from microseconds to milliseconds.

See also:

The "Edit and Resend" function has been restored in the Network tool

In previous versions of Microsoft Edge, right-clicking on a network request you want to change and resend, and then selecting Edit and Resend was unresponsive and had no effect. This issue has been resolved, and Edit and Resend works as expected.

Edit and Resend function on a network request

See also:

Announcements from the Chromium project

Microsoft Edge 125 also includes the following updates from the Chromium project:

See also