# Firefox Profiler Deployment (September 22, 2026)

**URL:** <https://discourse.mozilla.org/t/firefox-profiler-deployment-september-22-2026/149536>\
**Category:** Firefox Tooling Announcements\
**Tags:** firefox-profiler\
**Created:** [September 22, 2026, 4:42pm UTC](https://discourse.mozilla.org/t/firefox-profiler-deployment-september-22-2026/149536 "2026-09-22T16:42:20Z")\
**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 22, 2026, 4:42pm UTC](https://discourse.mozilla.org/t/firefox-profiler-deployment-september-22-2026/149536/1 "2026-09-22T16:42:20Z")

</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:**

- [fatadel] Show a category breakdown in profiler-cli ([#6256](https://github.com/firefox-devtools/profiler/pull/6256))
- [fatadel] Show allocation data in the cli ([#6246](https://github.com/firefox-devtools/profiler/pull/6246))
- [Florian Quèze] profiler-cli: add a thread list command ([#6273](https://github.com/firefox-devtools/profiler/pull/6273))
- [Florian Quèze] profiler-cli: add a thread list command ([#6273](https://github.com/firefox-devtools/profiler/pull/6273))
- [Nazım Can Altınova] Add a permalink command to profiler-cli for already published profiles ([#6331](https://github.com/firefox-devtools/profiler/pull/6331))
- [Florian Quèze] profiler-cli: add profile markers for cross-thread marker search ([#6276](https://github.com/firefox-devtools/profiler/pull/6276))
- [Nazım Can Altınova] Add `--with-samply` to “profiler-cli load” ([#6339](https://github.com/firefox-devtools/profiler/pull/6339))

**Other Changes:**

- [Florian Quèze] profiler-cli: name the process in the thread banner, and follow the queried thread ([#6269](https://github.com/firefox-devtools/profiler/pull/6269))
- [fatadel] Drive PII sanitization from marker schemas ([#6291](https://github.com/firefox-devtools/profiler/pull/6291))
- [fatadel] Move FileIO table labels into marker schemas ([#6296](https://github.com/firefox-devtools/profiler/pull/6296))
- [Markus Stange] Add missing finishRawMarkerTableBuilder. ([#6318](https://github.com/firefox-devtools/profiler/pull/6318))
- [fatadel] Fix the upload error button contrast ([#6315](https://github.com/firefox-devtools/profiler/pull/6315))
- [Markus Stange] Allow typed arrays in the nativeSymbols table ([#6300](https://github.com/firefox-devtools/profiler/pull/6300))
- [Markus Stange] Remove brittle test. ([#6322](https://github.com/firefox-devtools/profiler/pull/6322))
- [Markus Stange] Fix file extension typo. ([#6325](https://github.com/firefox-devtools/profiler/pull/6325))
- [Markus Stange] Typed arrays + flags for the FuncTable ([#6323](https://github.com/firefox-devtools/profiler/pull/6323))
- [fatadel] Convert extension text markers to structured payloads ([#6314](https://github.com/firefox-devtools/profiler/pull/6314))
- [Florian Quèze] profiler-cli: include per-marker fields and data in --list --json ([#6275](https://github.com/firefox-devtools/profiler/pull/6275))
- [Markus Stange] Speed up call tree sidebar by sharing work with the activity graph ([#6329](https://github.com/firefox-devtools/profiler/pull/6329))
- [Nazım Can Altınova] 🔃 Sync: l10n → main (Sept 22, 2026) ([#6341](https://github.com/firefox-devtools/profiler/pull/6341))
- [Nazım Can Altınova] Bump profiler-cli version to 0.10.0 ([#6342](https://github.com/firefox-devtools/profiler/pull/6342))

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

- el: Jim Spentzos
- ro: robbp

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)!