Difference between revisions of "Firebug Roadmap"

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The next planned version number is '''2.0''' (previously named 1.13).
The next planned version number is '''2.0''' (previously named 1.13).
Development happens on [https://github.com/firebug/firebug <code>master</code>] branch (currently alpha).
Development happens on [https://github.com/firebug/firebug <code>master</code>] branch (currently beta).
== Schedule ==
== Schedule ==

Revision as of 11:52, 20 May 2014

  • This page is intended to summarize plans and directions for Firebug.next
  • Provide any feedback on Firebug newsgroup


This section describes the strategy and goals that keep Firebug a competitive in-browser tool and leader in space of in-browser developer tools.

Version Numbering

The next planned version number is 2.0 (previously named 1.13).

Development happens on master branch (currently beta).


Phase Start Date
Alpha 2013-08-14
Beta 2014-04-11
Final release 2014-06
  • The entire release cycle (from the first alpha to the final release) should target 6 months
  • The beta phase should be at least 4 weeks
  • The new release should introduce 8-10 new features (or significant bug fixes)

Suggested Features

Use this section to suggest any feature you'd like to see in Firebug.next.

  • Remote Debugging (reason: allows debugging on mobile devices; built-in dev tools already have this)
  • Undo/redo option in HTML panel (+ CSS + DOM if possible) (issue 54, issue 2569; reason: people should be able to easily undo mistakes; built-in dev tools already have this)
  • Cut option in HTML panel (issue 6217; reason: we already allow to copy HTML, OS conformity)
  • Ignoring scripts while debugging (aka "black boxing", issue 4888; reason: makes debugging easier; built-in dev tools already have this)
  • Script pretty printing (issue 1238; reason: people want to be able to debug compressed JavaScript)
  • New inspector (issue 4848; would fix a bunch of problems; built-in dev tools already use a better approach)
  • Display of pseudo-elements inside HTML Panel (issue 5785; reason: better UI and fixes issues; built-in dev tools have this now)
  • Linux theme (issue 471; reason: better integrated UI for Linux users)
  • Request auto-responder in the Net Panel (issue 6459; reason: makes much easier to debug response headers and JS files in a production environment).
  • Integrate EventBug into Firebug (issue 5440; reason: simplifies debugging of event listeners)
  • New screencasts! (issue 4508; reason: current screencasts are completely outdated, new features need to be described)
  • User statistics collector (2633; reason: get info about Firebug usage to get a clue how to improve the UX)
  • Edit Javascript on-the-fly in the Script panel (5083; reason: provide a powerful tool to test changes in the scripts)

Planned Features / Changes

This section summarizes all features that are planned for Firebug.next. Every feature in this section must have an owner.

Regular Tasks

Feature Overview

Feature Developers Related Issues Status
Adopt JSD2 Honza, Sebastian, Farshid Issue 5421: Adopt JSD2 done
Syntax highlighting for JavaScript Honza Issue 4823: Native javascript code color/highlight (without FireRainbow extension)
Issue 5175: Integrate Orion as replacement for the Script panel UI
Issue 5353: Integrate CodeMirror
Auto-completion for Command Editor Simon Issue 55: Auto-completion for Command Editor done
Line numbers in CSS Edit Mode Farshid Issue 2153: Show line numbers in Edit mode done
Folding for shorthand properties Sebastian Issue 5523: Folding for shorthand properties not started
Sniff WebSocket traffic Florent Issue 6330: Sniff WebSocket traffic not started
Display the return value and the exception thrown Florent Issue 6855: Display the returned value or the exception thrown
Issue 6857: Give the ability to modify the returned value (blocked by platform bug 736733)
Display authored CSS color values Sebastian Issue 5507: Allow displaying original color values (blocked by platform bug 731271) done

Feature planning should keep in mind the suggested release schedule above

Feature Description

This section provides detailed description of all planned features.

Adopt JSD2

Firebug script debugger and all related features like BON (break on ...) should be based on new JSD2 API. Using JSD2 API will also enable remote debugging.

Part of this task is also internal Firebug architecture refactoring so it's ready for remote debugging features. Note that adopting JSD2 doesn't automatically mean that Firebug is remote-debugging-ready. This is covered by issue 5837

Note that this task doesn't have to make it into Firebug.next, but it could be possible (if useful) to at least merge code changes.


Source Repository: Development happens on JSD2 branch

Syntax highlighting for JavaScript

The Script Panel should have syntax highlighting enabled for the displayed JavaScript code.


  • Replace SourceBox code by Orion
  • Re-add context menu options
  • Adjust CSS to match the Firebug UI

Auto-completion for Command Editor

Add the Command Line auto-completion to the (multi-line) Command Editor inside the Console Panel.


  • Allow auto-completion within an expression
  • Add auto-completion to the Command Editor
  • Enhance positioning of the Completion List Popup

Line numbers in CSS Edit Mode

The Source Edit Mode of the CSS Panel should have line numbers for easier navigation.


  • Integrate Orion into the Source Edit Mode
  • Ajust the display to fit to the Firebug UI

Folding for shorthand properties

For shorthand CSS properties it should be possible to expand them to see the longhand properties that make them up.


  • Save the longhand properties to every shorthand property
  • Create a twisty and allow toggling the display of the longhand properties
  • Remove the Expand Shorthand Properties option

Sniff WebSocket traffic

WebSocket requests should be displayed to the user.


  • Create new tab for WebSocket requests
  • Listen to WebSocket traffic
  • Dynamically output the WebSocket messages

Display the return value and the exception thrown

The value being returned or the exception being thrown should be displayed to the user.


  • Display a special "scope" row in the watch panel with these values
  • Change the background color for this row
  • Give the ability to edit the return value (future plan)
  • Prevent the user from editing the exception thrown or the return value (for now)

Display authored CSS color values

There should be an option allowing the user to display the CSS color values as they were defined.


  • Add the option to the options menu
  • Implement the functionality for displaying the authored values
  • Adjust the tooltip code to handle authored values