This Week in DevTools (November 5, 2019)

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Patrick Brosset

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Nov 6, 2019, 3:17:32 AM11/6/19
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Hi folks,

Here's your new weekly batch of updates! Please enjoy.

Debugger
  • Watchpoints will soon be enabled in Nightly and Dev Edition! Now you will be able to break when any property is accessed!

  • Source Tree’s “Set Project Root” has been fixed, including thread and extension support — thank you Chujun!

Console

  • You can use Ctrl + O and Control + S (Cmd + O and Cmd + S on macOS) to open a file and save the content input to a file — Bug 1592308

  • $0 (use the select node in the inspector) now works in the Omniscient Browser Toolbox, no matter which process the selected node lives in — Bug 1580165

  • Fixed a race condition that may lead to duplicated messages when opening the console — Bug 1578138 

  • Fixed a small performance regression on console opening — Bug 1590093

  • Fixed a regression on CSS Warnings where it wasn’t possible to see the impacted elements anymore —  Bug 1593654

Layout/Mobile Tools

  • Compatibility panel

    • About to land the first version of the new tool in mozilla-central

  • Quality fixes

    • Fixed a bug that causes the rules view to go blank when inspecting visited links.

    • First suggestion for showing the operating systems and browser versions in the responsive design mode device list overview.

  • Responsive Design Mode

    • Landing of Bug 1561227 makes full zoom work correctly with resolution zooming. This was the last blocker for us turning on the devtools.responsive.metaViewport.enabled pref by default. This will be a staged pref rollout in FF 72.

Network Monitor

  • Many RTL fixes (contributed by Itiel)

  • Improvements to the WebSocket Monitor

    • Prefers to show formatted JSON (over plain text)

    • Improved JSON parsing (ignoring primitives)

Application Panel

  • Working on fixing broken SW stuff

    • Re-enabled manifest mochitests on Try 1592661

    • Fix unregister SW 1590756

Perf improvements

  • Nicolas started to lazy load several console modules, leading to a smaller bytesize for the initial load of the Console.

Other

  • [julian] checkin-needed keyword removed from Bugzilla, you need to do it from Phabricator -> Edit Revision -> Tags -> checkin needed

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