# Firefox Profiler Deployment (September 3, 2026)

**URL:** <https://discourse.mozilla.org/t/firefox-profiler-deployment-september-3-2026/149360>\
**Category:** Firefox Tooling Announcements\
**Tags:** firefox-profiler\
**Created:** [September 3, 2026, 3:36pm UTC](https://discourse.mozilla.org/t/firefox-profiler-deployment-september-3-2026/149360 "2026-09-03T15:36:56Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![canova](https://sea1.discourse-cdn.com/flex001/user_avatar/discourse.mozilla.org/canova/32/68189_2.png) [@canova](https://discourse.mozilla.org/u/canova)\
**Post date:** [September 3, 2026, 3:36pm UTC](https://discourse.mozilla.org/t/firefox-profiler-deployment-september-3-2026/149360/1 "2026-09-03T15:36:56Z")

</div>

The latest version of the [Firefox Profiler](https://profiler.firefox.com/) is now live! Check out the full changelog below to see what’s changed:

**Highlights:**

- [Andrew Creskey] Show which network requests were prefetched ([#6259](https://github.com/firefox-devtools/profiler/pull/6259))
- [Florian Quèze] profiler-cli: accept --limit 0 as unlimited, and make truncation loud ([#6267](https://github.com/firefox-devtools/profiler/pull/6267))

**Other Changes:**

- [Nazım Can Altınova] Update oxfmt 0.59.0 → 0.63.0 (major) ([#6262](https://github.com/firefox-devtools/profiler/pull/6262))
- [Florian Quèze] profiler-cli: document the marker field:value search syntax ([#6265](https://github.com/firefox-devtools/profiler/pull/6265))
- [Florian Quèze] profiler-cli: report one time base for text and JSON output ([#6266](https://github.com/firefox-devtools/profiler/pull/6266))
- [Florian Quèze] profiler-cli: avoid a stack overflow on large marker threads ([#6264](https://github.com/firefox-devtools/profiler/pull/6264))
- [Markus Stange] Give the frameTable a lib column ([#6258](https://github.com/firefox-devtools/profiler/pull/6258))
- [Florian Quèze] profiler-cli: report the network request count the filters ran against ([#6274](https://github.com/firefox-devtools/profiler/pull/6274))
- [Nazım Can Altınova] Fix dark mode contrast of the warning icons in the publish panel ([#6280](https://github.com/firefox-devtools/profiler/pull/6280))
- [Nazım Can Altınova] Extract the publish panel warning indicator into a small component ([#6282](https://github.com/firefox-devtools/profiler/pull/6282))
- [Markus Stange] More typed arrays in the FrameTable (and a flags column) ([#6173](https://github.com/firefox-devtools/profiler/pull/6173))
- [Nazım Can Altınova] Improve the profiler-cli publish script and document the whole deployment in a better way ([#6260](https://github.com/firefox-devtools/profiler/pull/6260))
- [fatadel] 🔃 Sync: l10n → main (September 3, 2026) ([#6301](https://github.com/firefox-devtools/profiler/pull/6301))
- [fatadel] Bump profiler-cli version to 0.9.0 ([#6302](https://github.com/firefox-devtools/profiler/pull/6302))

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

- es-CL: ravmn
- nl: Mark Heijl
- sv-SE: Andreas Pettersson
- sv-SE: Luna Jernberg
- sv-SE: Peter Kihlstedt
- tr: Selim Şumlu
- tr: giray
- zh-CN: 高乐喆

Find out more about the Firefox Profiler on [profiler.firefox.com](https://profiler.firefox.com)! If you have any questions, join the discussion on our [Matrix channel](https://chat.mozilla.org/#/room/#profiler:mozilla.org)!