Firefox Profiler Deployment (Mar 3, 2025)

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)
  • [Markus Stange] Remove frameTable.implementation from the processed format. (#5370)
  • [Florian Quèze] Show size units in the timeline for profiles where profile.meta.sampleUnits.time is “bytes”. (#5364)
  • [Sean Kim] Report nsIRequest::status (nsresult) in the marker (#5375)
  • [Markus Stange] Change the marker schema to accept a description and get rid of the notion of static fields (#5385)

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

  • en-CA: Paul
  • tr: Grk

Find out more about the Firefox Profiler on profiler.firefox.com! If you have any questions, join the discussion on our Matrix channel!