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Closed Jul 27, 2026
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--strictby defaultBreaking ChangeWould introduce errors in existing codeWould introduce errors in existing codeCommittedThe team has roadmapped this issueThe team has roadmapped this issueFix AvailableA PR has been opened for this issueA PR has been opened for this issueSuggestionAn idea for TypeScriptAn idea for TypeScriptStatus: Closed (completed).#62333 In microsoft/TypeScript;Assume
rootDiris the current configuration directoryBreaking ChangeWould introduce errors in existing codeWould introduce errors in existing codeCommittedThe team has roadmapped this issueThe team has roadmapped this issueFix AvailableA PR has been opened for this issueA PR has been opened for this issueSuggestionAn idea for TypeScriptAn idea for TypeScriptStatus: Closed (completed).#62194 In microsoft/TypeScript;Change default of
typesto[]intsconfig.jsonBreaking ChangeWould introduce errors in existing codeWould introduce errors in existing codeCommittedThe team has roadmapped this issueThe team has roadmapped this issueFix AvailableA PR has been opened for this issueA PR has been opened for this issueSuggestionAn idea for TypeScriptAn idea for TypeScriptStatus: Closed (completed).#62195 In microsoft/TypeScript;Deprecate
--target es5, make lowest targetes2015Breaking ChangeWould introduce errors in existing codeWould introduce errors in existing codeCommittedThe team has roadmapped this issueThe team has roadmapped this issueFix AvailableA PR has been opened for this issueA PR has been opened for this issueSuggestionAn idea for TypeScriptAn idea for TypeScriptStatus: Closed (completed).#62196 In microsoft/TypeScript;Change default
--targetto latest ECMAScript versionBreaking ChangeWould introduce errors in existing codeWould introduce errors in existing codeCommittedThe team has roadmapped this issueThe team has roadmapped this issueFix AvailableA PR has been opened for this issueA PR has been opened for this issueSuggestionAn idea for TypeScriptAn idea for TypeScriptStatus: Closed (completed).#62198 In microsoft/TypeScript;Deprecate, remove support for import assertions
Breaking ChangeWould introduce errors in existing codeWould introduce errors in existing codeCommittedThe team has roadmapped this issueThe team has roadmapped this issueFix AvailableA PR has been opened for this issueA PR has been opened for this issueSuggestionAn idea for TypeScriptAn idea for TypeScriptStatus: Closed (completed).#62210 In microsoft/TypeScript;Deprecate
--useStrict& assume"use strict"everywhere by defaultBreaking ChangeWould introduce errors in existing codeWould introduce errors in existing codeCommittedThe team has roadmapped this issueThe team has roadmapped this issueFix AvailableA PR has been opened for this issueA PR has been opened for this issueSuggestionAn idea for TypeScriptAn idea for TypeScriptStatus: Closed (completed).#62213 In microsoft/TypeScript;Referenced project options not consulted to determine .d.ts format for synthetic default export eligibility
BugA bug in TypeScriptA bug in TypeScriptDomain: ES ModulesThe issue relates to import/export style module behaviorThe issue relates to import/export style module behaviorFix AvailableA PR has been opened for this issueA PR has been opened for this issueStatus: Closed (completed).#62241 In microsoft/TypeScript;Regression Crash: RangeError: Maximum call stack size exceeded in isThisInTypeQuery on Nightly
BugA bug in TypeScriptA bug in TypeScriptDomain: CrashesUnhandled exceptions/panics with no immediate primary root cause identifiedUnhandled exceptions/panics with no immediate primary root cause identifiedFix AvailableA PR has been opened for this issueA PR has been opened for this issueStatus: Closed (completed).#63015 In microsoft/TypeScript;Deprecate alwaysStrict: false in TypeScript 6.0
Breaking ChangeWould introduce errors in existing codeWould introduce errors in existing codeFor Milestone BugPRs that fix a bug with a specific milestonePRs that fix a bug with a specific milestoneStatus: Closed (abandoned).microsoft/TypeScriptnumber 63030#63030 In microsoft/TypeScript;Deprecate downlevelIteration
Breaking ChangeWould introduce errors in existing codeWould introduce errors in existing codeFor Uncommitted BugPR for untriaged, rejected, closed or missing bugPR for untriaged, rejected, closed or missing bugStatus: Merged (completed).microsoft/TypeScriptnumber 63071#63071 In microsoft/TypeScript;esModuleInteropandallowSyntheticDefaultImportsin TypeScript 6.0+Breaking ChangeWould introduce errors in existing codeWould introduce errors in existing codeDiscussionIssues which may not have code impactIssues which may not have code impactSuggestionAn idea for TypeScriptAn idea for TypeScriptStatus: Closed (completed).#62529 In microsoft/TypeScript;tsconfig.json "lib": "dom" should include "dom.iterable"(?)
CommittedThe team has roadmapped this issueThe team has roadmapped this issueFixedA PR has been merged for this issueA PR has been merged for this issueSuggestionAn idea for TypeScriptAn idea for TypeScriptStatus: Closed (completed).#60959 In microsoft/TypeScript;Don't compare "missing" to
undefinedincomparePropertiesunderexactOptionalPropertyTypesFor Uncommitted BugPR for untriaged, rejected, closed or missing bugPR for untriaged, rejected, closed or missing bugStatus: Merged (completed).microsoft/TypeScriptnumber 61683#61683 In microsoft/TypeScript;Improve inference by not considering thisless functions to be context-sensitive
For Uncommitted BugPR for untriaged, rejected, closed or missing bugPR for untriaged, rejected, closed or missing bugStatus: Merged (completed).microsoft/TypeScriptnumber 62243#62243 In microsoft/TypeScript;fix(error message): fixes issue in error message TS1355
For Backlog BugPRs that fix a backlog bugPRs that fix a backlog bugStatus: Merged (completed).microsoft/TypeScriptnumber 62465#62465 In microsoft/TypeScript;Allow
--module commonjs --moduleResolution bundlerFor Uncommitted BugPR for untriaged, rejected, closed or missing bugPR for untriaged, rejected, closed or missing bugStatus: Merged (completed).microsoft/TypeScriptnumber 62320#62320 In microsoft/TypeScript;Module Resolution: allow subpath imports that start with
#/CommittedThe team has roadmapped this issueThe team has roadmapped this issueFix AvailableA PR has been opened for this issueA PR has been opened for this issueSuggestionAn idea for TypeScriptAn idea for TypeScriptStatus: Closed (completed).#62841 In microsoft/TypeScript;exactOptionalPropertyTypes: strict type equality is too lenientNot a DefectThis behavior is one of several equally-correct optionsThis behavior is one of several equally-correct optionsStatus: Closed (completed).#61547 In microsoft/TypeScript;Deprecate, remove less-used
--moduletargets (AMD, SystemJS, UMD)Breaking ChangeWould introduce errors in existing codeWould introduce errors in existing codeCommittedThe team has roadmapped this issueThe team has roadmapped this issueFix AvailableA PR has been opened for this issueA PR has been opened for this issueSuggestionAn idea for TypeScriptAn idea for TypeScriptStatus: Closed (completed).#62199 In microsoft/TypeScript;Deprecate, remove
--moduleResolution classicBreaking ChangeWould introduce errors in existing codeWould introduce errors in existing codeCommittedThe team has roadmapped this issueThe team has roadmapped this issueFix AvailableA PR has been opened for this issueA PR has been opened for this issueSuggestionAn idea for TypeScriptAn idea for TypeScriptStatus: Closed (completed).#62206 In microsoft/TypeScript;Deprecate, remove support for
/// <amd-module name="..." />directivesBreaking ChangeWould introduce errors in existing codeWould introduce errors in existing codeCommittedThe team has roadmapped this issueThe team has roadmapped this issueSuggestionAn idea for TypeScriptAn idea for TypeScriptStatus: Closed (completed).#62208 In microsoft/TypeScript;Remove support for
/// <reference no-default-lib />Breaking ChangeWould introduce errors in existing codeWould introduce errors in existing codeCommittedThe team has roadmapped this issueThe team has roadmapped this issueFix AvailableA PR has been opened for this issueA PR has been opened for this issueSuggestionAn idea for TypeScriptAn idea for TypeScriptStatus: Closed (completed).#62209 In microsoft/TypeScript;Deprecate, remove support for using
modulein place ofnamespaceBreaking ChangeWould introduce errors in existing codeWould introduce errors in existing codeCommittedThe team has roadmapped this issueThe team has roadmapped this issueFix AvailableA PR has been opened for this issueA PR has been opened for this issueSuggestionAn idea for TypeScriptAn idea for TypeScriptStatus: Closed (completed).#62211 In microsoft/TypeScript;Typo in TS1355 error message
Help WantedYou can do thisYou can do thisPossible ImprovementThe current behavior isn't wrong, but it's possible to see that it might be better in some casesThe current behavior isn't wrong, but it's possible to see that it might be better in some casesStatus: Closed (completed).#62464 In microsoft/TypeScript;