TypeScript 4.5 Iteration Plan #45418
Description
This document outlines our focused tasks for TypeScript 4.5. It minimally indicates intent to investigate tasks or contribute to an implementation. Nothing is set in stone, but we will strive to complete these tasks in a reasonable timeframe.
| Date | Event |
|---|---|
| August 24th | TypeScript 4.4 Release |
| September 24th | Create 4.5 Beta (4.5.0) Build for Testing |
| September 28th | TypeScript 4.5 Beta Release |
| October 29th | Create 4.5 RC (4.5.1) Build for Testing |
| November 2nd | TypeScript 4.5 RC Release |
| November 12th | Create 4.5 Final (4.5.2) Build for Testing |
| November 16th | TypeScript 4.5 Final Release 🚀 |
Language and Compiler Features
module: node12@types/web- Import Assertions
- Flag to Disable Import Elision
- Private Field Presence Checks
lib.d.tsUpdates- Investigate Shared Node/DOM types
Editor Productivity
- Editor Grammar Errors in JavaScript Files
- Improved JavaScript Editing Using
package.json - Inline Values API for Debugging
- Investigate Snippet Completions
- Differentiating Definitions from References
- Enable Automatic Type Acquisition in Web Contexts
- Events for Requesting More Files
- Welcome Page Contributions in Visual Studio Code
- Create New TypeScript Workspace in Visual Studio Code
- Continue Enabling the Language Server Protocol (LSP)
- Commit Characters in Server API
Performance
- Supporting Additional Trace Points
- Profiling/Tracing Mode Improvements
- Investigate Tooling for JIT Deoptimizations
- Use
fs.realpathSync.native
Infrastructure
- Migrate to Modules
- Expand Perf Suite
- Fuzzer Improvements and Addressing Crashes
- Improving User Suite Reports
Website
DefinitelyTyped
yvele, zyhou, camilossantos2809, Schmavery, tonivj5 and 38 morewrslatz, cherryblossom000, btoo, dnalborczyk, acutmore and 37 moreainursharaev, kohlmannj, Schmavery, tonivj5, javid-abd and 13 moreernes-to, Shayan-To, sean-vieira, acrazing, styfle and 9 more