profiler-cli-v0.9.0

Highlights

• profiler-cli: accept --limit 0 as unlimited, and make truncation loud by @fqueze in #6267
• Show which network requests were prefetched by @acreskeyMoz in #6259

What's Changed

• profiler-cli: document the marker field:value search syntax by @fqueze in #6265
• profiler-cli: report one time base for text and JSON output by @fqueze in #6266
• profiler-cli: report the network request count the filters ran against by @fqueze in #6274
• Improve the profiler-cli publish script and document the whole deployment in a better way by @canova in #6260
• Bump profiler-cli version to 0.9.0 by @fatadel in #6302

📢 Deploy announcement: https://discourse.mozilla.org/t/firefox-profiler-deployment-september-3-2026/149360

Full Changelog: profiler-cli-v0.8.0...profiler-cli-v0.9.0

New Contributors

• @acreskeyMoz made their first contribution in #6259

profiler-cli-v0.8.0

Highlights

• Add the ability to apply source maps from the CLI by @canova in #6229
  • A new sourcemap command group: profiler-cli sourcemap sources lists the sources that carry a source map URL, and profiler-cli sourcemap apply bundle.js.map re-symbolicates the affected stacks in place, auto-matching a source (or pointing at one explicitly with --to src-N when the match is ambiguous). Maps that carry sourcesContent also make the original source available to profiler-cli function annotate f-N, with per-line sample counts.

What's Changed

• Handle the cli daemon startup failures more gracefully with better errors by @canova in #6241
• Handle Text and Log marker payloads with their marker schema by @canova in #6247
• Bump the Gecko profile version to make sure that the Text and Log marker changes are picked up in the frontends by @canova in #6252
• Only call getRawFrameTableBuilderWithExistingContents once per symbolication batch. by @mstange in #6233
• Bump profiler-cli version to 0.8.0 by @canova in #6254

📢 Deploy announcement: Firefox Profiler Deployment (August 10, 2026)

Full Changelog: profiler-cli-v0.7.0...profiler-cli-v0.8.0

profiler-cli-v0.7.0

What's Changed

• Scope profiler-cli thread markers to the committed (zoom) range, and show the thread's full-range marker count alongside the in-view count when zoomed by @canova in #6222
• Allow specifying the stage reliost symbol server, which profiler-cli function annotate picks up from the profile's URL state by @mstange in #6228
• Remove the unused collectSourceIndicesFromThreads helper from the shared profile logic by @nirmaladvani in #6219
• Bump profiler-cli version to 0.7.0 by @canova in #6235

📢 Deploy announcement: Firefox Profiler Deployment (August 3, 2026)

Full Changelog: profiler-cli-v0.6.0...profiler-cli-v0.7.0

profiler-cli-v0.6.0

Highlights

• Show counter values over time in profiler-cli by @fatadel in #6136
• Add marker handles to profiler-cli thread network by @canova in #6172
• Surface network activity in pq profile info and pq thread info, with slowest-first sorting, incomplete-request reporting, and wall-clock-led summaries by @canova in #6175
• Add a profile meta command to profiler-cli by @canova in #6177

What's Changed

• Show each counter's owning process in profiler-cli by @fatadel in #6164
• Document the pre-existing thread info and network JSON schemas in the CLI by @canova in #6171
• Rename the yarn build-profiler-cli script to build-cli by @canova in #6191
• Store the derived samples table's time column as a Float64Array by @mstange in #6139
• Bump profiler-cli version to 0.6.0 by @canova in #6211

📢 Deploy announcement: Firefox Profiler Deployment (July 21, 2026)

Full Changelog: profiler-cli-v0.5.0...profiler-cli-v0.6.0

profiler-cli-v0.5.0

What's Changed

• Change the derived StackTable's prefix column to Int32Array by @mstange in #6089
• Add an early throw for this.querier and remove non-null assertions across the CLI codebase by @canova in #6145
• Extract a runCommand helper for profiler-cli command handlers by @canova in #6148
• Bump profiler-cli version to 0.5.0 by @canova in #6158

📢 Deploy announcement: Firefox Profiler Deployment (July 9, 2026)

Full Changelog: profiler-cli-v0.4.0...profiler-cli-v0.5.0

profiler-cli-v0.4.0

Highlights

• Expose counter information in profiler-cli by @fatadel in #6084

What's Changed

• Show more user-friendly errors for unsupported profile versions (frontend and CLI), and add the CLI package name as a constant by @canova in #6107
• Bump profiler-cli version to 0.4.0 by @canova in #6132

New Contributors

• @fatadel made their first profiler-cli contribution in #6084

📢 Deploy announcement: Firefox Profiler Deployment (June 29, 2026)

Full Changelog: profiler-cli-v0.3.0...profiler-cli-v0.4.0

profiler-cli-v0.3.0

What's Changed

• Add source-map symbolication and source view support — WebChannel v7 GET_SOURCE_MAP, source-mapped positions, and source-mapped source in profiler-cli function annotate by @canova in #6018
• Unify profile decoding paths by @mstange in #6072
• Bump profiler-cli version to 0.3.0 by @canova in #6104

Full Changelog: profiler-cli-v0.2.1...profiler-cli-v0.3.0

profiler-cli-v0.2.1

What's Changed

• Detect daemon spawn failures via a child exit listener, and pass --use-env-proxy to the daemon only on Node.js >= 24 by @canova in #6064

Full Changelog: profiler-cli-v0.2.0...profiler-cli-v0.2.1

profiler-cli-v0.2.0

Highlights

• Make profiler-cli work in sandboxed environments (socket-based daemon detection, --use-env-proxy) by @canova in #6003
• Include the --search option in pq filter push by @canova in #6026
• Annotate inlined frames in CLI call trees and stacks by @canova in #6041

What's Changed

• Print the status output right after the load command by @canova in #6019
• Use proper types in CLI tests instead of custom inline types by @canova in #6038
• Use the URL-state symbol server for profiler-cli function annotate by @canova in #6051
• Bump profiler-cli version to 0.2.0 by @canova in #6059

📢 Deploy announcement: Firefox Profiler Deployment (May 26, 2026)

Full Changelog: profiler-cli-v0.1.0...profiler-cli-v0.2.0

profiler-cli-v0.1.0 — Initial release

First public release of profiler-cli (aliased pq), a command-line tool for querying Firefox Profiler profiles from the terminal! It uses a daemon/client model: a long-lived daemon loads a profile and keeps it in memory, while short-lived client commands talk to it over a Unix domain socket.

Highlights

• New profile-query library and profiler-cli script for loading and inspecting profiles by @mstange and @canova in #5963
• Core commands: load, profile info, thread info/select/samples, zoom push/pop, status, and stop by @mstange and @canova in #5963
• Test coverage for both the profile-query library and the CLI. by @mstange and @canova in #5963
• Bump the CLI version to 0.1.0 by @canova in #5996

📢 Deploy announcement: Firefox Profiler Deployment (May 7, 2026)

Full Changelog https://github.com/firefox-devtools/profiler/commits/profiler-cli-v0.1.0