| CARVIEW |
Select Language
HTTP/2 200
date: Fri, 18 Jul 2025 15:09:36 GMT
content-type: text/html; charset=utf-8
cache-control: max-age=0, private, must-revalidate
content-security-policy: default-src 'none'; base-uri 'self'; child-src github.githubassets.com github.com/assets-cdn/worker/ github.com/assets/ gist.github.com/assets-cdn/worker/; connect-src 'self' uploads.github.com www.githubstatus.com collector.github.com raw.githubusercontent.com api.github.com github-cloud.s3.amazonaws.com github-production-repository-file-5c1aeb.s3.amazonaws.com github-production-upload-manifest-file-7fdce7.s3.amazonaws.com github-production-user-asset-6210df.s3.amazonaws.com *.rel.tunnels.api.visualstudio.com wss://*.rel.tunnels.api.visualstudio.com objects-origin.githubusercontent.com copilot-proxy.githubusercontent.com proxy.individual.githubcopilot.com proxy.business.githubcopilot.com proxy.enterprise.githubcopilot.com *.actions.githubusercontent.com wss://*.actions.githubusercontent.com productionresultssa0.blob.core.windows.net/ productionresultssa1.blob.core.windows.net/ productionresultssa2.blob.core.windows.net/ productionresultssa3.blob.core.windows.net/ productionresultssa4.blob.core.windows.net/ productionresultssa5.blob.core.windows.net/ productionresultssa6.blob.core.windows.net/ productionresultssa7.blob.core.windows.net/ productionresultssa8.blob.core.windows.net/ productionresultssa9.blob.core.windows.net/ productionresultssa10.blob.core.windows.net/ productionresultssa11.blob.core.windows.net/ productionresultssa12.blob.core.windows.net/ productionresultssa13.blob.core.windows.net/ productionresultssa14.blob.core.windows.net/ productionresultssa15.blob.core.windows.net/ productionresultssa16.blob.core.windows.net/ productionresultssa17.blob.core.windows.net/ productionresultssa18.blob.core.windows.net/ productionresultssa19.blob.core.windows.net/ github-production-repository-image-32fea6.s3.amazonaws.com github-production-release-asset-2e65be.s3.amazonaws.com insights.github.com wss://alive.github.com api.githubcopilot.com api.individual.githubcopilot.com api.business.githubcopilot.com api.enterprise.githubcopilot.com; font-src github.githubassets.com; form-action 'self' github.com gist.github.com copilot-workspace.githubnext.com objects-origin.githubusercontent.com; frame-ancestors 'none'; frame-src viewscreen.githubusercontent.com notebooks.githubusercontent.com; img-src 'self' data: blob: github.githubassets.com media.githubusercontent.com camo.githubusercontent.com identicons.github.com avatars.githubusercontent.com private-avatars.githubusercontent.com github-cloud.s3.amazonaws.com objects.githubusercontent.com release-assets.githubusercontent.com secured-user-images.githubusercontent.com/ user-images.githubusercontent.com/ private-user-images.githubusercontent.com opengraph.githubassets.com copilotprodattachments.blob.core.windows.net/github-production-copilot-attachments/ github-production-user-asset-6210df.s3.amazonaws.com customer-stories-feed.github.com spotlights-feed.github.com objects-origin.githubusercontent.com *.githubusercontent.com; manifest-src 'self'; media-src github.com user-images.githubusercontent.com/ secured-user-images.githubusercontent.com/ private-user-images.githubusercontent.com github-production-user-asset-6210df.s3.amazonaws.com gist.github.com; script-src github.githubassets.com; style-src 'unsafe-inline' github.githubassets.com; upgrade-insecure-requests; worker-src github.githubassets.com github.com/assets-cdn/worker/ github.com/assets/ gist.github.com/assets-cdn/worker/
link: ; rel=preload; as=fetch; crossorigin=use-credentials
referrer-policy: no-referrer-when-downgrade
server-timing: issue_layout-fragment;desc="issue_layout fragment";dur=238.344481,issue_conversation_content-fragment;desc="issue_conversation_content fragment";dur=742.514853,issue_conversation_sidebar-fragment;desc="issue_conversation_sidebar fragment";dur=52.625909,nginx;desc="NGINX";dur=1.398982,glb;desc="GLB";dur=95.665865
strict-transport-security: max-age=31536000; includeSubdomains; preload
vary: X-PJAX, X-PJAX-Container, Turbo-Visit, Turbo-Frame, X-Requested-With, Accept,Accept-Encoding, Accept, X-Requested-With
x-content-type-options: nosniff
x-frame-options: deny
x-voltron-version: fd8fbbc
x-xss-protection: 0
server: github.com
content-encoding: gzip
accept-ranges: bytes
set-cookie: _gh_sess=rjX5tdSX%2FztlgCAvkY%2F4Ig%2FtMPrrCVN98Vaaz%2FC8daewk1tCl2Cn93uAK9jelQcFyn6bO%2FKTsRCx73%2FdX1mKWzfC0E%2FVGoxWO%2BU5qJCLSUBlWn9WZ5FAdN2mwkeoAEvAx7WeEstk2yD1H0i6Wauki1BS7rNJccm8DnT3IQLeKYno6L00UB%2FfiC6JpbV92wOeQbaOP68zUEurC6cd9EiZgsnxyMnGP9cG1xhrTFoy0U66belPyqMoLE1pj%2FBFjDBn%2BcM%2BaWAAYZw5QvEbQORcUw%3D%3D--qXhH5jiWXi1eMkGM--IoojiA3PaVBFHDAGMj%2F4IA%3D%3D; Path=/; HttpOnly; Secure; SameSite=Lax
set-cookie: _octo=GH1.1.1844418346.1752851375; Path=/; Domain=github.com; Expires=Sat, 18 Jul 2026 15:09:35 GMT; Secure; SameSite=Lax
set-cookie: logged_in=no; Path=/; Domain=github.com; Expires=Sat, 18 Jul 2026 15:09:35 GMT; HttpOnly; Secure; SameSite=Lax
x-github-request-id: C05A:16E104:10AD638:13D6A17:687A63AF
TypeScript 4.6 Iteration Plan · Issue #46858 · microsoft/TypeScript · GitHub
Skip to content
Navigation Menu
{{ message }}
-
Notifications
You must be signed in to change notification settings - Fork 12.9k
Closed
Labels
PlanningIteration plans and roadmappingIteration plans and roadmapping
Description
This document outlines our focused tasks for TypeScript 4.6. 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 |
|---|---|
| November 16th | TypeScript 4.5 Release |
| January 14th | Create 4.6 Beta (4.6.0) Build for Testing |
| January 18th | TypeScript 4.6 Beta Release |
| February 4th | Create 4.6 RC (4.6.1) Build for Testing |
| February 8th | TypeScript 4.6 RC Release |
| February 18th | Create 4.6 Final (4.6.2) Build for Testing |
| February 22nd | TypeScript 4.6 Final Release 🚀 |
Language and Compiler Features
- Narrowing Destructured Discriminated Unions
- Investigate Contextually Typed And Compatible Operator
lib.d.tsUpdates- Bug Fixing
Editor Productivity
- Object Member Snippet Completions
- Provide Grammar Errors in JavaScript Files
- Investigate IPC Communication for TSServer
- Enable Automatic Type Acquisition in Web Contexts
- Investigate Workspace Support in Web Contexts
- Welcome Page Contributions in Visual Studio Code
- Easy Run/Debug for Loose TypeScript Files
Performance
- Investigate Outstanding Performance Issues
- Transfer ts-analyze-trace to Microsoft
- Supporting Additional Trace Points
- Profiling/Tracing Mode Improvements
- Investigate Tooling for JIT Deoptimizations
Infrastructure
- Migrate to Modules
- Expand Perf Suite
- Fuzzer Improvements and Addressing Crashes
- Improving User Suite Reports
Website
DefinitelyTyped
electron-space, 1316346949, lin72h, ExE-Boss, chentsulin and 12 moreExE-Boss, Smrtnyk, worstpractice, chentsulin, tonivj5 and 9 moreU-C-S, neoPix, joealden, zyhou, ExE-Boss and 14 morea-tarasyuk, whzx5byb, nmain, Sovgut, mjbvz and 37 more
Metadata
Metadata
Assignees
Labels
PlanningIteration plans and roadmappingIteration plans and roadmapping
Type
Projects
Milestone
Relationships
Development
Issue actions
You can’t perform that action at this time.