RDP can be easily traced via stdout by running: $ MOZ_LOG="devtools_rdp:3" ./mach run Differential Revision: https://phabricator.services.mozilla.com/D298483
Firefox Developer Tools: Contributor Docs
This is a guide to working on the code for Firefox Developer Tools. If you're looking for help with using the tools, see the user docs. For other ways to get involved, check out our community site.