JavaScript:Roadmap

Firefox 26 (Beta)

• [DONE] 547941 - ES6 WeakMaps
• [DONE] 666399 - ES6 Generator syntax

Firefox 27 (Aurora)

• [PROPOSED] 903332 - document.watch() Proxies
• [PROPOSED] 933882 - Firebug perf: Invalidate JIT code instead of doing full GC on debug mode toggle

Firefox 28 (Nightly)

• [DONE] 903332 - document.watch() Proxies
• [DONE] 929797 - Implement memory reporting of child processes
• [DONE] 933882 - Firebug perf: Invalidate JIT code instead of doing full GC on debug mode toggle
• [DONE] 934799 - Debugger perf: Lazify delazifying lazy scripts
• [ON TRACK] 637572 - 935203 Implement Debugger.Source (for Firebug)
• [ON TRACK] 332176 - Fix line numbers in eval() code
• [ON TRACK] 716647 - Debug Ion code on stack
• [ON TRACK] 837963 - ECMA-401 i18n API
• [ON TRACK] 924839 - Update ICU
• [AT RISK] 753203 - Exact Rooting for GGC
• [AT RISK] 934257 - Run Valgrind on TBPL, not just Nightly
• [AT RISK] 934669 - Warn on Object.prototype.{,un}watch()
• [PROPOSED] 932402 - Shumway: create multiple globals
• [PROPOSED] 933467 - Shumway: implement iterable weak maps
• [PROPOSED] ? - Ion: Add optimization levels

Firefox 29

• [ON TRACK] 619558 - GGC
• [AT RISK] 930908 - Implement synchronous channel for Shumway workers
• [PROPOSED] 630464 - Pass exception info to window.onerror()
• [PROPOSED] 851699 - WBGP: Profile Browsermark benchmark
• [PROPOSED] 856533 - Implement Ion escape analysis
• [PROPOSED] 800200 - Remove legacy JSD1 debugging API
• [PROPOSED] ? - Debugger: Implement low-level heap analysis (without UI)

Q1 2014

• [PROPOSED] 785905 - OMT MIR construction
• [PROPOSED] ? - Debugger: Implement UI for low-level heap analysis

Q2 2014

• [PROPOSED] 854061 - Implement asm.js parser
• [PROPOSED] 861963 - Integrate test262 test suite
• [PROPOSED] 900784 - Add JS start-up cache
• [PROPOSED] 792439 - ES6 WeakSets
• [PROPOSED] 578700 - ES7 Typed Objects
• [PROPOSED] ? - Implement Visual Studio plugin for JS debugger

H2 2014

• [PROPOSED] 902174 - G1: The Good Parts
• [PROPOSED] 568953 - ES6 Modules
• [PROPOSED] 837314 - ES6 Classes
• [PROPOSED] 645416 - ES6 Symbols
• December: ES6 to be standardized?