Skip to content

Navigation Menu

Appearance settings

View all features
- BY COMPANY SIZE
  Enterprises
  Small and medium teams
  Startups
  Nonprofits
- BY USE CASE
  App Modernization
  DevSecOps
  DevOps
  CI/CD
  View all use cases
- BY INDUSTRY
  Healthcare
  Financial services
  Manufacturing
  Government
  View all industries
View all solutions
- EXPLORE BY TOPIC
  AI
  Software Development
  DevOps
  Security
  View all topics
- EXPLORE BY TYPE
  Customer stories
  Events & webinars
  Ebooks & reports
  Business insights
  GitHub Skills
- SUPPORT & SERVICES
  Documentation
  Customer support
  Community forum
  Trust center
  Partners
View all resources
- COMMUNITY
  GitHub SponsorsFund open source developers
- PROGRAMS
  Security Lab
  Maintainer Community
  Accelerator
  GitHub Stars
  Archive Program
- REPOSITORIES
  Topics
  Trending
  Collections
- ENTERPRISE SOLUTIONS
  Enterprise platformAI-powered developer platform
- AVAILABLE ADD-ONS
  GitHub Advanced SecurityEnterprise-grade security features
  Copilot for BusinessEnterprise-grade AI features
  Premium SupportEnterprise-grade 24/7 support
Pricing

Search code, repositories, users, issues, pull requests...

Search

Clear

Search syntax tips

Provide feedback

We read every piece of feedback, and take your input very seriously.

Include my email address so I can be contacted

Saved searches

Use saved searches to filter your results more quickly

Name

Query

To see all available qualifiers, see our documentation.

Appearance settings

You signed in with another tab or window. Reload to refresh your session. You signed out in another tab or window. Reload to refresh your session. You switched accounts on another tab or window. Reload to refresh your session.

Dismiss alert

microsoft / TypeScript Public

Notifications You must be signed in to change notification settings
Fork 13.4k
Star 109k

Code
Issues 5k+
Pull requests 15
Actions
Projects
Models
Wiki
Security and quality
Insights

Additional navigation options

Code
Issues
Pull requests
Actions
Projects
Models
Wiki
Security and quality
Insights

Back to Milestones

TypeScript 5.0.0

Closed

No due date

•Closed Mar 21, 2024

100% complete

List view

Select all issues: List view

0 issues of 77 selected

Open
(0)
Closed
(77)

Numeric literals assignable to enum literals only when values match

Breaking ChangeWould introduce errors in existing codeWould introduce errors in existing code

For Milestone BugPRs that fix a bug with a specific milestonePRs that fix a bug with a specific milestone

Status: Merged (completed).

microsoft/TypeScriptnumber 51561

#51561 In microsoft/TypeScript;

· by ahejlsberg was closed

on Nov 17, 2022

Compress buildinfo by changing how affectedFilesPendingEmit are stored

For Uncommitted BugPR for untriaged, rejected, closed or missing bugPR for untriaged, rejected, closed or missing bug

Merge/Review for Next ReleaseThis PR should be re-reviewed and merged ASAP for the next release.This PR should be re-reviewed and merged ASAP for the next release.

Status: Merged (completed).

microsoft/TypeScriptnumber 51246

#51246 In microsoft/TypeScript;

· by sheetalkamat was closed

on Oct 31, 2022

Enable strictFunctionTypes

Breaking ChangeWould introduce errors in existing codeWould introduce errors in existing code

Domain: APIRelates to the public API for TypeScriptRelates to the public API for TypeScript

For Uncommitted BugPR for untriaged, rejected, closed or missing bugPR for untriaged, rejected, closed or missing bug

Status: Merged (completed).

microsoft/TypeScriptnumber 49929

#49929 In microsoft/TypeScript;

· by jakebailey was closed

on Jan 18, 2023

More removals of long deprecated APIs

Breaking ChangeWould introduce errors in existing codeWould introduce errors in existing code

Status: Merged (completed).

microsoft/TypeScriptnumber 52343

#52343 In microsoft/TypeScript;

· by sheetalkamat was closed

on Jan 20, 2023

Remove long deprecated typingOptions and enableAutoDiscovery

Breaking ChangeWould introduce errors in existing codeWould introduce errors in existing code

Status: Merged (completed).

microsoft/TypeScriptnumber 52339

#52339 In microsoft/TypeScript;

· by sheetalkamat was closed

on Jan 20, 2023

[WIP] Persist resolutions and program information and reuse it when building program incrementally or during editor

ExperimentA fork with an experimental idea which might not make it into masterA fork with an experimental idea which might not make it into master

For Uncommitted BugPR for untriaged, rejected, closed or missing bugPR for untriaged, rejected, closed or missing bug

Status: Closed (abandoned).

microsoft/TypeScriptnumber 41004

#41004 In microsoft/TypeScript;

· by sheetalkamat was closed

on Nov 9, 2022

Enum unification and improvements

Breaking ChangeWould introduce errors in existing codeWould introduce errors in existing code

For Milestone BugPRs that fix a bug with a specific milestonePRs that fix a bug with a specific milestone

Status: Merged (completed).

microsoft/TypeScriptnumber 50528

#50528 In microsoft/TypeScript;

· by ahejlsberg was closed

on Nov 3, 2022

Implement the Stage 3 Decorators Proposal

Fix AvailableA PR has been opened for this issueA PR has been opened for this issue

For Milestone BugPRs that fix a bug with a specific milestonePRs that fix a bug with a specific milestone

Status: Merged (completed).

microsoft/TypeScriptnumber 50820

#50820 In microsoft/TypeScript;

· by rbuckton was closed

on Jan 19, 2023

`const` modifier on type parameters

For Uncommitted BugPR for untriaged, rejected, closed or missing bugPR for untriaged, rejected, closed or missing bug

Status: Merged (completed).

microsoft/TypeScriptnumber 51865

#51865 In microsoft/TypeScript;

· by ahejlsberg was closed

on Dec 16, 2022

Convert the codebase to modules

Breaking ChangeWould introduce errors in existing codeWould introduce errors in existing code

Domain: APIRelates to the public API for TypeScriptRelates to the public API for TypeScript

For Milestone BugPRs that fix a bug with a specific milestonePRs that fix a bug with a specific milestone

Status: Merged (completed).

microsoft/TypeScriptnumber 51387

#51387 In microsoft/TypeScript;

· by jakebailey was closed

on Nov 7, 2022

Exhaustive case completion for switch statements

For Uncommitted BugPR for untriaged, rejected, closed or missing bugPR for untriaged, rejected, closed or missing bug

Status: Merged (completed).

microsoft/TypeScriptnumber 50996

#50996 In microsoft/TypeScript;

· by gabritto was closed

on Dec 2, 2022

Generic functions combining a conditional type and an intersection are not assignable to themselves

BugA bug in TypeScriptA bug in TypeScript

Fix AvailableA PR has been opened for this issueA PR has been opened for this issue

Status: Closed (completed).

#51399 In microsoft/TypeScript;

· by ehmicky was closed

on Nov 5, 2022

in keyword can't be used on a narrowed down expression with a nullable generic constraint

BugA bug in TypeScriptA bug in TypeScript

Fix AvailableA PR has been opened for this issueA PR has been opened for this issue

Status: Closed (completed).

#51501 In microsoft/TypeScript;

· by Andarist was closed

on Nov 22, 2022

Auto-accessors generate bad JS when there is a name conflict with the generated backing field

BugA bug in TypeScriptA bug in TypeScript

Fix AvailableA PR has been opened for this issueA PR has been opened for this issue

Status: Closed (completed).

#51888 In microsoft/TypeScript;

· by dragomirtitian was closed

on Jan 7, 2023

"Add missing members" quick fixes incorrectly add TypeScript types in JavaScript files

BugA bug in TypeScriptA bug in TypeScript

Domain: JavaScriptThe issue relates to JavaScript specificallyThe issue relates to JavaScript specifically

Domain: LS: Quick FixesEditor-provided fixes, often called code actions.Editor-provided fixes, often called code actions.

Effort: CasualGood issue if you're already used to contributing to the codebase. Harder than "good first issue".Good issue if you're already used to contributing to the codebase. Harder than "good first issue".

Fix AvailableA PR has been opened for this issueA PR has been opened for this issue

Help WantedYou can do thisYou can do this

Status: Closed (completed).

#51920 In microsoft/TypeScript;

· by DanielRosenwasser was closed

on Dec 16, 2022

`const` type parameter modifier not permitted on class expressions

BugA bug in TypeScriptA bug in TypeScript

Fix AvailableA PR has been opened for this issueA PR has been opened for this issue

Status: Closed (completed).

#51934 In microsoft/TypeScript;

· by ahejlsberg was closed

on Dec 17, 2022

Unexpected type evaluation with generic conditional type

BugA bug in TypeScriptA bug in TypeScript

Fix AvailableA PR has been opened for this issueA PR has been opened for this issue

Status: Closed (completed).

#52068 In microsoft/TypeScript;

· by duanwilliam was closed

on Jan 6, 2023

Sub-optimal type parameter inference with strictFunctionTypes enabled

BugA bug in TypeScriptA bug in TypeScript

Fix AvailableA PR has been opened for this issueA PR has been opened for this issue

Status: Closed (completed).

#52111 In microsoft/TypeScript;

· by jakebailey was closed

on Jan 6, 2023

Class member snippets should probably not have a lower priority than keywords

BugA bug in TypeScriptA bug in TypeScript

Domain: LS: Completion ListsThe issue relates to showing completion lists in an editorThe issue relates to showing completion lists in an editor

Fix AvailableA PR has been opened for this issueA PR has been opened for this issue

Status: Closed (completed).

#52121 In microsoft/TypeScript;

· by DanielRosenwasser was closed

on May 17, 2023

Question marks (JSDoc types) allowable in instantiation expression type arguments

BugA bug in TypeScriptA bug in TypeScript

Fix AvailableA PR has been opened for this issueA PR has been opened for this issue

Status: Closed (completed).

#51802 In microsoft/TypeScript;

· by jcalz was closed

on Dec 7, 2022

`extends` fields in `tsconfig.json` silently does nothing with empty strings

BugA bug in TypeScriptA bug in TypeScript

Fix AvailableA PR has been opened for this issueA PR has been opened for this issue

Status: Closed (completed).

#51828 In microsoft/TypeScript;

· by DanielRosenwasser was closed

on Jan 17, 2023

In JS, property assignment incorrectly overrides accessor from base

BugA bug in TypeScriptA bug in TypeScript

Fix AvailableA PR has been opened for this issueA PR has been opened for this issue

Status: Closed (completed).

#51191 In microsoft/TypeScript;

· by jeremy-rifkin was closed

on Mar 7, 2023

`instanceof Object` does not work with the `in` operator

BugA bug in TypeScriptA bug in TypeScript

Fix AvailableA PR has been opened for this issueA PR has been opened for this issue

Status: Closed (completed).

#51007 In microsoft/TypeScript;

· by dragomirtitian was closed

on Nov 29, 2022

Instantiation expressions inconsistently trigger incorrect error messages in editor contexts

BugA bug in TypeScriptA bug in TypeScript

Fix AvailableA PR has been opened for this issueA PR has been opened for this issue

Status: Closed (completed).

#50161 In microsoft/TypeScript;

· by ZachHaber was closed

on Jan 31, 2023

`instanceof` does not narrow when the class is intersected with `&`

BugA bug in TypeScriptA bug in TypeScript

Fix AvailableA PR has been opened for this issueA PR has been opened for this issue

Status: Closed (completed).

#50844 In microsoft/TypeScript;

· by ehmicky was closed

on Nov 29, 2022

Footer

© 2026 GitHub, Inc.

Footer navigation

Terms
Privacy
Security
Status
Community
Docs
Contact

You can’t perform that action at this time.