Firefox Tooling Announcements: Firefox Profiler Deployment (April 28, 2026)

[Markus Stange] Always render the CPU-usage-aware activity graph when CPU information is available ()

[Nazım Can Altınova] Fallback to javascript highlighting in the source view as a backup ()

[Ryan Hunt] Add a fullscreen button to the bottom box ()

[Markus Stange] Update the hovered item when panning any viewport canvas ()

[Markus Stange] Replace symbolicator-cli with a profiler-edit node tool ()

[fatadel] Upgrade Node.js from v22 to v24 ()

[Markus Stange] Propagate isJS to symbolicated funcs ()

[Nazım Can Altınova] Update typescript eslint dependencies ()

[Paul Adenot] Fix extractGeckoLogs for structured Log marker format (bug 2022540) ()

[Markus Stange] Migrate Home page animation to CSS transitions and remove react-transition-group ()

[Nazım Can Altınova] Convert profile-logic/js-tracer.tsx to a ts file ()

[Nazım Can Altınova] Fix eslint-config-prettier silently overriding custom rules ()

[Nazım Can Altınova] Add dark mode versions of the fullscreen icons ()

[carverdamien] Remove category from LongTaskMarkerPayload (! If you have any questions, join the discussion on our