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- #63703 · DanielRosenwasser opened
on Jul 31, 2026 2 - #62963 · RyanCavanaugh opened
on Jan 8, 2026 7
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thisinsidefunction*from a leading thisArgAwaiting 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.#63755 In Microsoft/TypeScript;- Status: Open.#63754 In Microsoft/TypeScript;
tsgo: parser nil-pointer panic when a JSDoc @overload tags an anonymous default-export function
BugA bug in TypeScriptA bug in TypeScriptFix AvailableA PR has been opened for this issueA PR has been opened for this issueStatus: Open.[7.0] Can't access field if it is protected in one constituent of an intersection (type order dependent)
BugA bug in TypeScriptA bug in TypeScriptStatus: Open.Update wiki "Using the Compiler API" for TypeScript v7
DocsThe issue relates to how you learn TypeScriptThe issue relates to how you learn TypeScriptFix AvailableA PR has been opened for this issueA PR has been opened for this issueStatus: Open.Project references resolve a symlinked sibling's raw source instead of its own composite output, using the wrong project's compilerOptions
Needs More InfoThe issue still hasn't been fully clarifiedThe issue still hasn't been fully clarifiedStatus: Open.#63743 In Microsoft/TypeScript;Rest-parameter mapped-type wrapping breaks tuple-literal inference once real-world complexity is added
Needs More InfoThe issue still hasn't been fully clarifiedThe issue still hasn't been fully clarifiedStatus: Open.#63742 In Microsoft/TypeScript;--incremental: after a pnpm dependency version change, the cached run is slower than a cold run and most of the time is unattributed
Fix AvailableA PR has been opened for this issueA PR has been opened for this issueNeeds InvestigationThis issue needs a team member to investigate its status.This issue needs a team member to investigate its status.Status: Open.Type argument with a subset of the parameter constraint's optional keys incorrectly reported as unassignable to constraint
BugA bug in TypeScriptA bug in TypeScriptDomain: Mapped TypesThe issue relates to mapped typesThe issue relates to mapped typesFix AvailableA PR has been opened for this issueA PR has been opened for this issueStatus: Open.Type narrowing not working correctly with Uppercase<string> & Lowercase<string>
BugA bug in TypeScriptA bug in TypeScriptDomain: check: Control FlowThe issue relates to control flow analysisThe issue relates to control flow analysisHelp WantedYou can do thisYou can do thisStatus: Open.Array.prototype.atdocs use "code unit" instead of "item"Domain: lib.d.tsThe issue relates to the different libraries shipped with TypeScriptThe issue relates to the different libraries shipped with TypeScriptHelp WantedYou can do thisYou can do thisStatus: Open.