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 Int32Array (#6087)
- [Nazım Can Altınova] Show more user friendly errors for unsupported profile version in both the frontend and the cli (#6107)
- [fatadel] Expose counter information in profiler-cli (#6084)
Other Changes:
- [Nazım Can Altınova] Bump profiler-cli version to 0.3.0 (#6104)
- [Markus Stange] Split getSelfAndTotal. (#6113)
- [Markus Stange] Add missing transform shortcut key handling for S (focus-self) (#6117)
- [Markus Stange] Remove unused isInverted prop from FlameGraphCanvas. (#6116)
- [Markus Stange] Change sidebar splitter CSS to only apply to the sidebar, not to all splitters under .DetailsContainer (#6114)
- [Markus Stange] Pass callNodeInfo to handleCallNodeTransformShortcut. (#6115)
- [Markus Stange] Move column declarations out into a separate file (#6119)
- [fatadel] Keep menu panels above the selected-marker tooltip (#6125)
- [Nazım Can Altınova] Make sure to always sanitize source contents even when no PII sanitization is requested (#6127)
- [Markus Stange] Compute FlameGraphTiming rows lazily (#6126)
- [Markus Stange] Create a non-connected FlameGraph component (#6118)
- [Nazım Can Altınova]
Sync: l10n → main (June 29, 2026) (#6130)
Big thanks to our amazing localizers for making this release possible:
- de: Michael Köhler
- el: Jim Spentzos
- en-GB: Ian Neal
- es-CL: ravmn
- fr: Théo Chevalier
- fur: Fabio Tomat
- fy-NL: Fjoerfoks
- ia: Melo46
- it: Francesco Lodolo [:flod]
- nl: Mark Heijl
- ru: Valery Ledovskoy
- sv-SE: Luna Jernberg
- zh-TW: Pin-guang Chen