Firefox Profiler Deployment (May 26, 2026)

Firefox Tooling Announcements
1

The latest version of the Firefox Profiler is now live! Check out the full changelog below to see what’s changed:

Highlights:

  • [Markus Stange] Use @streamparser/json if the input is too large to fit in a V8 string (#6016)
  • [Nazım Can Altınova] Include --search option in pq filter push (#6026)
  • [fatadel] Translate URL track-index state through profile sanitization (#6000)
  • [Nazım Can Altınova] Print also the status output right after cli load command (#6019)

Other Changes:

  • [fatadel] Remove unused dependencies from package.json (#6010)
  • [Nazım Can Altınova] Make profiler-cli work in sandboxed environments (#6003)
  • [Markus Stange] Make profiler-edit run profile compacting before writing out the file (#6015)
  • [Markus Stange] Migrate from prettier to oxfmt (#5986)
  • [Markus Stange] Add a --symbolicate-wasm arg to profiler-edit. (#6008)
  • [Markus Stange] Build and upload the cli artifact in PRs (#6020)
  • [Nicolas Chevobbe] Update devtools-reps to 0.27.7 (#6030)
  • [Markus Stange/fatadel] Make withSize use a wrapper element so that it can stop calling findDOMNode (#5988)
  • [Markus Stange] Fix dhat importer (#6036)
  • [Nazım Can Altınova] Annotate inlined frames in CLI call trees and stacks (#6041)
  • [Nazım Can Altınova] Use proper types in cli tests instead of custom inline types (#6038)
  • [Nazım Can Altınova] Fix text truncation for frames named after Object.prototype methods (#6044)
  • [Nazım Can Altınova] Add missing key props to CodeErrorOverlay error list items (#6047)
  • [depfu[bot]] :up_arrow: Update oxfmt to version 0.51.0 (#6054)
  • [Nazım Can Altınova] :clockwise_vertical_arrows: Sync: l10n → main (May 26, 2026) (#6058)
  • [Nazım Can Altınova] Use URL-state symbol server for profiler-cli function annotate (#6051)
  • [Nazım Can Altınova] Bump profiler-cli version to 0.2.0 (#6059)

Big thanks to our amazing localizers for making this release possible:

  • fr: YD
  • sr: Марко Костић (Marko Kostić)
  • tr: Ali Demirtaş
  • zh-CN: Olvcpr423
  • zh-CN: wxie

Find out more about the Firefox Profiler on profiler.firefox.com! If you have any questions, join the discussion on our Matrix channel!

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