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TypeScript 4.2 Iteration Plan · Issue #41601 · microsoft/TypeScript · GitHub
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PlanningIteration plans and roadmappingIteration plans and roadmapping
Description
This document outlines our focused tasks for TypeScript 4.2, as well as some of the discussion that explains how/why we prioritized certain work items. Nothing is set in stone, but we will strive to complete them in a reasonable timeframe.
| Date | Event |
|---|---|
| November 19th | TypeScript 4.1 Release |
| January 8th | Create 4.2 Beta (4.2.0) Build for Testing |
| January 12th | TypeScript 4.2 Beta Release |
| February 5th | Create 4.2 RC (4.2.1) Build for Testing |
| February 9th | TypeScript 4.2 RC Release |
| February 19th | Create 4.2 Final (4.2.2) Build for Testing |
| February 23rd | TypeScript 4.2 Final Release 🚀 |
Language Features
- Generalized index signatures
- Leading/middle rest elements in tuple types
--noImplicitOverride--noPropertyAccessFromIndexSignaturestaticIndex Signatures- Investigate
typeof class - Review the project setup experience
- Investigate faster compile-time iteration
Editor Productivity
- Declare missing helper function
- Enable running TSServer in a worker thread
- Anticipated bug fixes and UX improvements for partial semantic mode
- Investigate high-confidence "did you mean?" in JS
Performance
Infrastructure
- Perf Regression Tracking
- Committing Scripts to Repo
- Integrate into Release Activities
- Perf Suite Reliability
ExE-Boss, Niznikr, joealden, alexnault, cherryblossom000 and 46 moreMartinJohns, worstpractice, dfee, hendrysadrak, thmsgbrt and 19 morewhzx5byb, ExE-Boss, alitas, mathieumg, danilofuchs and 24 moreiagobruno, ibezkrovnyi, thepedroferrari and mass10
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PlanningIteration plans and roadmappingIteration plans and roadmapping
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