# \#firefox-profiler

**URL:** https://discourse.mozilla.org/tag/firefox-profiler/135.md

[Latest](https://discourse.mozilla.org/latest.md) · [Categories](https://discourse.mozilla.org/categories.md) · [Tags](https://discourse.mozilla.org/tags.md)

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## [Firefox Profiler Deployment (September 22, 2026)](https://discourse.mozilla.org/t/firefox-profiler-deployment-september-22-2026/149536)

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**Author:** [@canova](https://discourse.mozilla.org/u/canova)\
**Replies:** 0\
**Last updated:** [September 22, 2026, 4:42pm UTC](https://discourse.mozilla.org/t/firefox-profiler-deployment-september-22-2026/149536 "2026-09-22T16:42:20Z")

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The latest version of the Firefox Profiler is now live! Check out the full changelog below to see what’s changed: Highlights: \[fatadel\] Show a category breakdown in profiler-cli (#6256) \[fatadel\] Show allocation data …

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## [Firefox Profiler Deployment (September 3, 2026)](https://discourse.mozilla.org/t/firefox-profiler-deployment-september-3-2026/149360)

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**Author:** [@canova](https://discourse.mozilla.org/u/canova)\
**Replies:** 0\
**Last updated:** [September 3, 2026, 3:36pm UTC](https://discourse.mozilla.org/t/firefox-profiler-deployment-september-3-2026/149360 "2026-09-03T15:36:56Z")

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The latest version of the Firefox Profiler is now live! Check out the full changelog below to see what’s changed: Highlights: \[Andrew Creskey\] Show which network requests were prefetched (#6259) \[Florian Quèze\] profil…

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## [Firefox Profiler Deployment (August 10, 2026)](https://discourse.mozilla.org/t/firefox-profiler-deployment-august-10-2026/149143)

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**Author:** [@canova](https://discourse.mozilla.org/u/canova)\
**Replies:** 0\
**Last updated:** [August 10, 2026, 5:06pm UTC](https://discourse.mozilla.org/t/firefox-profiler-deployment-august-10-2026/149143 "2026-08-10T17:06:03Z")

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The latest version of the Firefox Profiler is now live! Check out the full changelog below to see what’s changed: Highlights: \[fatadel\] Improve discoverability of downloading a local profile (#6216) \[Nazım Can Altınov…

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## [Firefox Profiler Deployment (July 21, 2026)](https://discourse.mozilla.org/t/firefox-profiler-deployment-july-21-2026/149006)

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**Author:** [@canova](https://discourse.mozilla.org/u/canova)\
**Replies:** 0\
**Last updated:** [July 21, 2026, 12:44pm UTC](https://discourse.mozilla.org/t/firefox-profiler-deployment-july-21-2026/149006 "2026-07-21T12:44:35Z")

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The latest version of the Firefox Profiler is now live! Check out the full changelog below to see what’s changed: Highlights: \[fatadel\] Show counter values over time in profiler-cli (#6136) \[Markus Stange\] More typed …

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## [Firefox Profiler Deployment (July 9, 2026)](https://discourse.mozilla.org/t/firefox-profiler-deployment-july-9-2026/148882)

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**Author:** [@canova](https://discourse.mozilla.org/u/canova)\
**Replies:** 0\
**Last updated:** [July 9, 2026, 1:58pm UTC](https://discourse.mozilla.org/t/firefox-profiler-deployment-july-9-2026/148882 "2026-07-09T13:58:29Z")

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The latest version of the Firefox Profiler is now live! Check out the full changelog below to see what’s changed: Highlights: \[Florian Quèze\] Add “/” and “f” keyboard shortcuts to focus the panel filter box (#6025) \[M…

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## [Firefox Profiler Deployment (June 29, 2026)](https://discourse.mozilla.org/t/firefox-profiler-deployment-june-29-2026/148795)

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**Author:** [@canova](https://discourse.mozilla.org/u/canova)\
**Replies:** 0\
**Last updated:** [June 29, 2026, 9:25am UTC](https://discourse.mozilla.org/t/firefox-profiler-deployment-june-29-2026/148795 "2026-06-29T09:25:09Z")

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The latest version of the Firefox Profiler is now live! Check out the full changelog below to see what’s changed: Highlights: \[Markus Stange\] First typed array: Allow profile.shared.stackTable.frame to be an Int32Arra…

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## [Firefox Profiler Deployment (June 16, 2026)](https://discourse.mozilla.org/t/firefox-profiler-deployment-june-16-2026/148655)

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**Author:** [@canova](https://discourse.mozilla.org/u/canova)\
**Replies:** 0\
**Last updated:** [June 16, 2026, 1:38pm UTC](https://discourse.mozilla.org/t/firefox-profiler-deployment-june-16-2026/148655 "2026-06-16T13:38:21Z")

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The latest version of the Firefox Profiler is now live! Check out the full changelog below to see what’s changed: Highlights: \[Nazım Can Altınova\] Add source map symbolication and source view support (#6018) It requi…

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## [Firefox Profiler Deployment (May 26, 2026)](https://discourse.mozilla.org/t/firefox-profiler-deployment-may-26-2026/148468)

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**Author:** [@canova](https://discourse.mozilla.org/u/canova)\
**Replies:** 0\
**Last updated:** [May 26, 2026, 3:53pm UTC](https://discourse.mozilla.org/t/firefox-profiler-deployment-may-26-2026/148468 "2026-05-26T15:53:32Z")

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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 (#60…

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## [Firefox Profiler Deployment (May 7, 2026)](https://discourse.mozilla.org/t/firefox-profiler-deployment-may-7-2026/148235)

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**Author:** [@canova](https://discourse.mozilla.org/u/canova)\
**Replies:** 0\
**Last updated:** [May 7, 2026, 2:59pm UTC](https://discourse.mozilla.org/t/firefox-profiler-deployment-may-7-2026/148235 "2026-05-07T14:59:02Z")

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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 custom splitter component (#4606) \[fatadel\] Fix Download button text co…

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## [Firefox Profiler Deployment (April 28, 2026)](https://discourse.mozilla.org/t/firefox-profiler-deployment-april-28-2026/148154)

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**Author:** [@fatadel](https://discourse.mozilla.org/u/fatadel)\
**Replies:** 0\
**Last updated:** [April 30, 2026, 12:09pm UTC](https://discourse.mozilla.org/t/firefox-profiler-deployment-april-28-2026/148154 "2026-04-30T12:09:45Z")

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The latest version of the Firefox Profiler is now live! Check out the full changelog below to see what’s changed: Highlights: \[fatadel\] Dim non-matching nodes in the stack chart when searching (#5935) \[Markus Stan…

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## [Firefox Profiler Deployment (March 20, 2026)](https://discourse.mozilla.org/t/firefox-profiler-deployment-march-20-2026/147677)

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**Author:** [@canova](https://discourse.mozilla.org/u/canova)\
**Replies:** 0\
**Last updated:** [March 20, 2026, 12:26pm UTC](https://discourse.mozilla.org/t/firefox-profiler-deployment-march-20-2026/147677 "2026-03-20T12:26:52Z")

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The latest version of the Firefox Profiler is now live! Check out the full changelog below to see what’s changed. Highlights: \[fatadel\] Make network markers in the network panel sticky on click (#5884) Other Changes: …

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## [Firefox Profiler Deployment (February 24, 2026)](https://discourse.mozilla.org/t/firefox-profiler-deployment-february-24-2026/147519)

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**Author:** [@canova](https://discourse.mozilla.org/u/canova)\
**Replies:** 0\
**Last updated:** [February 24, 2026, 12:15pm UTC](https://discourse.mozilla.org/t/firefox-profiler-deployment-february-24-2026/147519 "2026-02-24T12:15:10Z")

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The latest version of the Firefox Profiler is now live! Check out the full changelog below to see what’s changed. Highlights: \[fatadel\] Provide correct instructions on the home page for Firefox for Android (Fenix) (#5…

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## [Firefox Profiler Deployment (February 4, 2026)](https://discourse.mozilla.org/t/firefox-profiler-deployment-february-4-2026/147355)

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**Author:** [@canova](https://discourse.mozilla.org/u/canova)\
**Replies:** 0\
**Last updated:** [February 4, 2026, 5:07pm UTC](https://discourse.mozilla.org/t/firefox-profiler-deployment-february-4-2026/147355 "2026-02-04T17:07:09Z")

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The latest version of the Firefox Profiler is now live! Check out the full changelog below to see what’s changed Highlights: \[Alex Thayer\] Display traced values in Stack Chart view (#5363) \[fatadel\] Fix context menu a…

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## [Firefox Profiler Deployment (January 27, 2026)](https://discourse.mozilla.org/t/firefox-profiler-deployment-january-27-2026/147286)

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**Author:** [@canova](https://discourse.mozilla.org/u/canova)\
**Replies:** 0\
**Last updated:** [January 27, 2026, 4:53pm UTC](https://discourse.mozilla.org/t/firefox-profiler-deployment-january-27-2026/147286 "2026-01-27T16:53:18Z")

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The latest version of the Firefox Profiler is now live! Check out the full changelog below to see what’s changed: Highlights: :tada::tada::tada: \[arai-a\] Implement dark mode (#5740) Huge thanks to :arai for working o…

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## [Firefox Profiler Deployment (December 18, 2025)](https://discourse.mozilla.org/t/firefox-profiler-deployment-december-18-2025/146779)

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**Author:** [@canova](https://discourse.mozilla.org/u/canova)\
**Replies:** 0\
**Last updated:** [December 18, 2025, 8:17pm UTC](https://discourse.mozilla.org/t/firefox-profiler-deployment-december-18-2025/146779 "2025-12-18T20:17:00Z")

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The latest version of the Firefox Profiler is now live! Check out the full changelog below to see what’s changed: Highlights: \[Florian Quèze/Nazım Can Altınova\] Add an importer for the text format taken as input by fl…

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## [Firefox Profiler Deployment (November 12, 2025)](https://discourse.mozilla.org/t/firefox-profiler-deployment-november-12-2025/146498)

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**Author:** [@canova](https://discourse.mozilla.org/u/canova)\
**Replies:** 0\
**Last updated:** [November 12, 2025, 7:11pm UTC](https://discourse.mozilla.org/t/firefox-profiler-deployment-november-12-2025/146498 "2025-11-12T19:11:27Z")

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The latest version of the Firefox Profiler is now live! Check out the full changelog below to see what’s changed: Highlights: \[Florian Quèze\] Source view for marker stacks (#5633) \[Nazım Can Altınova\] Add fallback to …

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## [Firefox Profiler Deployment (October 21, 2025)](https://discourse.mozilla.org/t/firefox-profiler-deployment-october-21-2025/146335)

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**Author:** [@canova](https://discourse.mozilla.org/u/canova)\
**Replies:** 0\
**Last updated:** [October 21, 2025, 1:07pm UTC](https://discourse.mozilla.org/t/firefox-profiler-deployment-october-21-2025/146335 "2025-10-21T13:07:09Z")

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The latest version of the Firefox Profiler is now live! Check out the full changelog below to see what’s changed: Highlights: \[Nazım Can Altınova\] Implement fetching JS sources from browser via WebChannel (#5506) \[Flo…

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## [Firefox Profiler Deployment (September 2, 2025)](https://discourse.mozilla.org/t/firefox-profiler-deployment-september-2-2025/145864)

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**Author:** [@canova](https://discourse.mozilla.org/u/canova)\
**Replies:** 0\
**Last updated:** [September 2, 2025, 1:24pm UTC](https://discourse.mozilla.org/t/firefox-profiler-deployment-september-2-2025/145864 "2025-09-02T13:24:56Z")

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The latest version of the Firefox Profiler is now live! Check out the full changelog below to see what’s changed: Highlights: \[Markus Stange\] Convert the entire codebase to TypeScript (#5549) :tada:Our project is now…

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## [Firefox Profiler Deployment (July 31, 2025)](https://discourse.mozilla.org/t/firefox-profiler-deployment-july-31-2025/145213)

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**Author:** [@canova](https://discourse.mozilla.org/u/canova)\
**Replies:** 0\
**Last updated:** [July 31, 2025, 2:31pm UTC](https://discourse.mozilla.org/t/firefox-profiler-deployment-july-31-2025/145213 "2025-07-31T14:31:19Z")

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The latest version of the Firefox Profiler is now live! Check out the full changelog below to see what’s changed: Highlights: \[Julien Wajsberg\] Provide an option to display stacks all with the same widths in the stack…

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## [Performance Tools Newsletter (H1 Edition)](https://discourse.mozilla.org/t/performance-tools-newsletter-h1-edition/144881)

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**Author:** [@sparky](https://discourse.mozilla.org/u/sparky)\
**Replies:** 0\
**Last updated:** [July 18, 2025, 8:20pm UTC](https://discourse.mozilla.org/t/performance-tools-newsletter-h1-edition/144881 "2025-07-18T20:20:01Z")

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Welcome to the latest edition of the Performance Tools Newsletter! The PerfTools team empowers engineers with tools to continuously improve the performance of Mozilla products. See below for highlights from the last half…

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## [Firefox Profiler Deployment (July 11, 2025)](https://discourse.mozilla.org/t/firefox-profiler-deployment-july-11-2025/144659)

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**Author:** [@canova](https://discourse.mozilla.org/u/canova)\
**Replies:** 0\
**Last updated:** [July 11, 2025, 9:44am UTC](https://discourse.mozilla.org/t/firefox-profiler-deployment-july-11-2025/144659 "2025-07-11T09:44:27Z")

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The latest version of the Firefox Profiler is now live! Check out the full changelog below to see what’s changed: Highlights: \[Nazım Can Altınova\] Remove the active tab and origins views (#5483) \[Steve Fink\] Document …

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## [Firefox Profiler Deployment (June 10, 2025)](https://discourse.mozilla.org/t/firefox-profiler-deployment-june-10-2025/144050)

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**Author:** [@julienw](https://discourse.mozilla.org/u/julienw)\
**Replies:** 0\
**Last updated:** [June 10, 2025, 8:26am UTC](https://discourse.mozilla.org/t/firefox-profiler-deployment-june-10-2025/144050 "2025-06-10T08:26:27Z")

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The latest version of the Firefox Profiler is now live! Check out the full changelog below to see what’s changed: Highlights: \[Julien Wajsberg\] Ignore the Symbol Store database cache when the user presses the resymbol…

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## [Firefox Profiler Deployment (May 22, 2025)](https://discourse.mozilla.org/t/firefox-profiler-deployment-may-22-2025/143424)

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**Author:** [@canova](https://discourse.mozilla.org/u/canova)\
**Replies:** 0\
**Last updated:** [May 22, 2025, 3:28pm UTC](https://discourse.mozilla.org/t/firefox-profiler-deployment-may-22-2025/143424 "2025-05-22T15:28:41Z")

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The latest version of the Firefox Profiler is now live! Check out the full changelog below to see what’s changed: \[Carla Severe\] Make the sidebar start out closed on mobile screens (#5464) \[Carla Severe\] Make the tab b…

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## [Firefox Profiler Deployment (May 15, 2025)](https://discourse.mozilla.org/t/firefox-profiler-deployment-may-15-2025/143266)

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**Author:** [@julienw](https://discourse.mozilla.org/u/julienw)\
**Replies:** 0\
**Last updated:** [May 16, 2025, 3:50pm UTC](https://discourse.mozilla.org/t/firefox-profiler-deployment-may-15-2025/143266 "2025-05-16T15:50:18Z")

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The latest version of the Firefox Profiler is now live! Check out the full changelog below to see what’s changed: Security fix: \[Julien Wajsberg\] Do not use a link to display the sourceURL if it’s not a proper URL (#5…

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## [Firefox Profiler Deployment (April 8, 2025)](https://discourse.mozilla.org/t/firefox-profiler-deployment-april-8-2025/142218)

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**Author:** [@canova](https://discourse.mozilla.org/u/canova)\
**Replies:** 0\
**Last updated:** [April 8, 2025, 2:01pm UTC](https://discourse.mozilla.org/t/firefox-profiler-deployment-april-8-2025/142218 "2025-04-08T14:01:47Z")

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The latest version of the Firefox Profiler is now live! Check out the full changelog below to see what’s changed: Highlights: \[Nazım Can Altınova\] Sanitize query strings of about:\* urls (#5411) \[Julien Wajsberg\] Fix t…

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## [Firefox Profiler Deployment (Mar 3, 2025)](https://discourse.mozilla.org/t/firefox-profiler-deployment-mar-3-2025/140837)

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**Author:** [@julienw](https://discourse.mozilla.org/u/julienw)\
**Replies:** 0\
**Last updated:** [March 3, 2025, 12:35pm UTC](https://discourse.mozilla.org/t/firefox-profiler-deployment-mar-3-2025/140837 "2025-03-03T12:35:03Z")

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The latest version of the Firefox Profiler is now live! Check out the full changelog below to see what’s changed: \[Julien Wajsberg\] Update node to v22 (#5378) \[Markus Stange\] Speed up createCallNodeTable by 2.3x (#5248)…

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## [Firefox Profiler Deployment (Feb 19, 2025)](https://discourse.mozilla.org/t/firefox-profiler-deployment-feb-19-2025/140287)

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**Author:** [@canova](https://discourse.mozilla.org/u/canova)\
**Replies:** 0\
**Last updated:** [February 19, 2025, 5:23pm UTC](https://discourse.mozilla.org/t/firefox-profiler-deployment-feb-19-2025/140287 "2025-02-19T17:23:42Z")

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The latest version of the Firefox Profiler is now live! Check out the full changelog below to see what’s changed: \[Nicolas Chevobbe\] Make timeline ruler notches visible in High Contrast Mode (#5346) \[Nazım Can Altınova…

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## [Firefox Profiler Deployment (January 15, 2025)](https://discourse.mozilla.org/t/firefox-profiler-deployment-january-15-2025/139022)

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**Author:** [@julienw](https://discourse.mozilla.org/u/julienw)\
**Replies:** 0\
**Last updated:** [January 15, 2025, 1:53pm UTC](https://discourse.mozilla.org/t/firefox-profiler-deployment-january-15-2025/139022 "2025-01-15T13:53:45Z")

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The latest version of the Firefox Profiler is now live! Check out the changelog below to see what’s changed. Highlights \[Nisarg Jhaveri\] Support importing simpleperf trace files from Android Studio (#5212) \[Nazım Can A…

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## [Firefox Profiler Deployment (December 12, 2024)](https://discourse.mozilla.org/t/firefox-profiler-deployment-december-12-2024/137803)

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**Author:** [@canova](https://discourse.mozilla.org/u/canova)\
**Replies:** 0\
**Last updated:** [December 12, 2024, 2:05pm UTC](https://discourse.mozilla.org/t/firefox-profiler-deployment-december-12-2024/137803 "2024-12-12T14:05:57Z")

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The latest version of the Firefox Profiler is now live! Check out the full changelog below to see what’s changed: \[Sean Kim\] Add Class of Service for a request in the profiler network tab (#5228) \[Nisarg Jhaveri\] Allo…

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## [Firefox Profiler Deployment (November 27, 2024)](https://discourse.mozilla.org/t/firefox-profiler-deployment-november-27-2024/137535)

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**Author:** [@canova](https://discourse.mozilla.org/u/canova)\
**Replies:** 0\
**Last updated:** [November 29, 2024, 2:00pm UTC](https://discourse.mozilla.org/t/firefox-profiler-deployment-november-27-2024/137535 "2024-11-29T14:00:33Z")

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The latest version of the Firefox Profiler is now live! Check out the full changelog below to see what’s changed: \[Julien Wajsberg\] Fix the network bars not being properly positioned in Chrome (#5209) \[Nazım Can Altıno…

[Next page](https://discourse.mozilla.org/tag/firefox-profiler/135.md?match_all_tags=true&page=1&tags%5B%5D=firefox-profiler)