Mozilla launched Firefox Developer Edition, its browser created specifically for developers, in November 2014. Probably that work would happen in an addon," Grinstead replied. "There have been some discussions about bringing it back in a way that will visualize things in a more useful way, but nothing is planned. Do you believe this is a true replacement? Are there any plans to bring it back?" The change didn't go unnoticed, however, with JavaScript developer Nazar Mokrynskyi lamenting "3D was removed, but the extension doesn’t work in Nightly and has not been updated since 2011. ![]() If you suspect that an object is being leaked, this will show you exactly which objects are holding a reference to it.Īlso notable in the 47 release is the removal of the 3D view, that Nguyen and Grinstead explain conflicts with the multi-process version of Firefox. This enables you to see all the nodes that are keeping the given node from being garbage-collected. The Retaining Paths panel shows you, for a given node, the 5 shortest paths back from this node to a GC root. Building on previous work, Mozilla has added a retaining paths panel. To use this feature, you need to launch the Browser Toolbox and click the icon with the four squares located in the top-right corner of the toolbox."Ī screencast of the action can be viewed here.Īlso new in the browser's latest Developer Edition is an improved dominator view for debugging memory-intensive applications. You can now lock popups so they don’t disappear once you click away. "In this release, we’ve made inspecting popups much easier. ![]() This will allow developers to open the popup and return to the Browser Toolbox. In the Mozilla Hacks post Developer Edition 47 – User agent emulation, popup debugging and more authors Tim Nguyen (a developer tools contributor) and Firefox engineer Brian Grinstead explain that the debugging panel can be kept open by changing its behaviour via the Browser Toolbox. Mozilla has released Developer Edition 47 for Firefox, bringing new features to improve add-on debugging.
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