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- #63085 · DanielRosenwasser opened
on Feb 3, 2026 41 - #62963 · RyanCavanaugh opened
on Jan 8, 2026 7 - #62827 · RyanCavanaugh opened
on Dec 2, 2025 13
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tagged/named rest parameter participating in circular reference causes error
BugA bug in TypeScriptA bug in TypeScriptDomain: check: Type Circularitystackoverflows caused by circularities, or unexpected errors where no circularity appears to existstackoverflows caused by circularities, or unexpected errors where no circularity appears to existStatus: Open.Finally is not implemented correctly in all cases
BugA bug in TypeScriptA bug in TypeScriptDomain: check: Control FlowThe issue relates to control flow analysisThe issue relates to control flow analysisStatus: Open.tsc --build false negative through export star facade project
Needs InvestigationThis issue needs a team member to investigate its status.This issue needs a team member to investigate its status.Status: Open.#63579 In microsoft/TypeScript;Hover documentation for parameters documented with jsdoc renders improperly
Experience EnhancementNoncontroversial enhancementsNoncontroversial enhancementsSuggestionAn idea for TypeScriptAn idea for TypeScriptStatus: Open.Regression: 7.0.1-RC Unable to Satisfy Recursive Mapped Type Constraint
Needs InvestigationThis issue needs a team member to investigate its status.This issue needs a team member to investigate its status.Status: Open.#63568 In microsoft/TypeScript;exportmodifier onenumdisablesThis condition will always return * ts2845BugA bug in TypeScriptA bug in TypeScriptDomain: check: Control FlowThe issue relates to control flow analysisThe issue relates to control flow analysisStatus: Open.Quadratic duplicate declaration accumulation in intersection constructor properties can crash with RangeError
Domain: PerformanceReports of unusually slow behaviorReports of unusually slow behaviorPossible 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: Open.Incorrect type resolution with nested constructors
BugA bug in TypeScriptA bug in TypeScriptDomain: classesBehavior of various `class` constructs, e.g. mixins or base classesBehavior of various `class` constructs, e.g. mixins or base classesFix AvailableA PR has been opened for this issueA PR has been opened for this issueStatus: Open.Overload missing from createElementNS
Domain: lib.d.tsThe issue relates to the different libraries shipped with TypeScriptThe issue relates to the different libraries shipped with TypeScriptPossible 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: Open.Quadratic check time for diamond-shaped interface inheritance graphs
Domain: PerformanceReports of unusually slow behaviorReports of unusually slow behaviorPossible 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: Open.Destructured function does not show outline of inner function parameters
Awaiting More FeedbackThis means we'd like to hear from more people who would be helped by this featureThis means we'd like to hear from more people who would be helped by this featureSuggestionAn idea for TypeScriptAn idea for TypeScriptStatus: Open.#63551 In microsoft/TypeScript;Duplicate function declarations in generated
.d.tsfor non-module JS files withallowJs+declarationBugA bug in TypeScriptA bug in TypeScriptDomain: Declaration EmitThe issue relates to the emission of d.ts filesThe issue relates to the emission of d.ts filesStatus: Open.