
Faster Inspector Rules view, state for custom elements and more, see what’s new in Firefox 126

With Firefox 126 the network.addIntercept command now also accepts a contexts argument to better target network interception requests.

JS-free dynamic popups, nice performance boost, sourcemap management and bug fixes, read what’s new in DevTools in Firefox 125

Two new BiDi commands available in Firefox 125: input.setFiles and storage.deleteCookies. Also coming with improvements and fixes to existing cookie features.

DevTools at maximum performance, CSS variables, file requests and more in Firefox 124

A lot of new features including support for cookies, network interception and containers!

Useful sourcemap information in the Debugger and a lot of important fixes, check out what’s new in DevTools in 123

New browsingContext.locateNodes command, new network.fetchError event, improved browsingContext.create support, and more…

Improved accessibility, $ and $$ eager evaluation, unload event listeners and various fixes, read what’s new in DevTools in Firefox 122

New browsingContext.traverseHistory command, improved WindowProxy serialization for OOP iframes and more…