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Firebug Stability and Performance
Stage Shelved
Status In progress
Release target `
Health OK
Status note Firebug is more stable and Honza has done a lot of work to reduce memory leaks as well.


Product manager Kevin Dangoor
Directly Responsible Individual Kevin Dangoor
Lead engineer Jan (Honza) Odvarko, Steve Fink
Security lead `
Privacy lead `
Localization lead `
Accessibility lead `
QA lead `
UX lead `
Product marketing lead `
Operations lead `
Additional members `

Open issues/risks


Stage 1: Definition

1. Feature overview

Mozilla and the Firebug team were able to work together to ensure that Firefox 4 and a compatible version of Firebug (1.7) were available on the same day. Since Firebug 1.7's release, a small number of new crashing bugs and regressions have been found, some Firebug users have complained about memory usage and Firebug has been noted as the add-on that has the most impact on Firefox startup performance.

Just as we worked to get Firefox 4 and Firebug 1.7 out together, the next step is to ensure that Firebug can provide a stable experience that does not slow down Firefox.

2. Users & use cases


3. Dependencies


4. Requirements

  • Significant crashing/regression bugs in the platform fixed
  • Known memory leaks plugged
  • Firebug impact on startup performance reduced to less than 40% slower (from its current 75% slower score)



Stage 2: Design

5. Functional specification


6. User experience design


Stage 3: Planning

7. Implementation plan


8. Reviews

Security review


Privacy review


Localization review




Quality Assurance review


Operations review


Stage 4: Development

9. Implementation

todo: provide link to devtools status page. The follow bugs will be tracked there:

Stage 5: Release

10. Landing criteria


Feature details

Priority `
Rank 999
Theme / Goal `
Roadmap Developer Tools
Secondary roadmap `
Feature list Platform
Project `
Engineering team DevTools

Team status notes

  status notes
Products ` `
Engineering ` `
Security ` `
Privacy ` `
Localization ` `
Accessibility ` `
Quality assurance ` `
User experience ` `
Product marketing ` `
Operations ` `