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OpenSep 4, 2026
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•Last updated Dormant issues are defects that still exist as far as we know, but don't warrant additional investment and are not high-priority. This is typically due to one or more factors, such as:
- Requiring an uncommon or discouraged configuration
- Coding patterns that aren't idiomatic TS/JS
- Minimal impact (e.g. error message phrasing that is only wrong in degenerate cases)
- Low likelihood of encounter (e.g. requires very specific and unusual steps to observe)
- Existence of a straightforward workaround
PRs for issues in this milestone are accepted, but will require stronger justification in terms of risk, complexity, and performance cost. Invasive, hard-to-review, or otherwise overly impactful PRs targeting issues in this milestone won't be merged.
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Spurious syntax error for certain switch-case-if scenario
BugA bug in TypeScriptA bug in TypeScriptHelp WantedYou can do thisYou can do thisStatus: Not planned (skipped).#7404 In microsoft/TypeScript;Newlines removed in emit for argument list
BugA bug in TypeScriptA bug in TypeScriptHelp WantedYou can do thisYou can do thisStatus: Not planned (skipped).#12816 In microsoft/TypeScript;insertSpaceAfterOpeningAndBeforeClosingNonemptyBrackets does not correctly add space between } and ]
BugA bug in TypeScriptA bug in TypeScriptDomain: FormatterThe issue relates to the built-in formatterThe issue relates to the built-in formatterHelp WantedYou can do thisYou can do thisStatus: Not planned (skipped).#16757 In microsoft/TypeScript;Specifying --outDir on the CLI causes error TS5055 with declarations
BugA bug in TypeScriptA bug in TypeScriptHelp WantedYou can do thisYou can do thisStatus: Not planned (skipped).#15899 In microsoft/TypeScript;error TS18003: No inputs were found in config file...
BugA bug in TypeScriptA bug in TypeScriptHelp WantedYou can do thisYou can do thisStatus: Not planned (skipped).#13978 In microsoft/TypeScript;DOM FileReader load event needs to be more specific
BugA bug in TypeScriptA bug in TypeScriptDomain: 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: Not planned (skipped).#20958 In microsoft/TypeScript;Duplicate names in generated list of vars
BugA bug in TypeScriptA bug in TypeScriptHelp WantedYou can do thisYou can do thisStatus: Not planned (skipped).#22650 In microsoft/TypeScript;Gracefully parse
abstract classin expression positionBugA bug in TypeScriptA bug in TypeScriptDomain: Error MessagesThe issue relates to error messagingThe issue relates to error messagingHelp WantedYou can do thisYou can do thisStatus: Not planned (skipped).#17416 In microsoft/TypeScript;Language Service doesn't show object property name suggestions for type with computed property names
BugA bug in TypeScriptA bug in TypeScriptDomain: LS: Completion ListsThe issue relates to showing completion lists in an editorThe issue relates to showing completion lists in an editorStatus: Not planned (skipped).#25323 In microsoft/TypeScript;Unnecessary self module references in d.ts files
BugA bug in TypeScriptA bug in TypeScriptHelp WantedYou can do thisYou can do thisStatus: Not planned (skipped).#30021 In microsoft/TypeScript;factory: createBinary doesn't parenthesise unary expression as LHS of exponentiation
BugA bug in TypeScriptA bug in TypeScriptDomain: APIRelates to the public API for TypeScriptRelates to the public API for TypeScriptHelp WantedYou can do thisYou can do thisStatus: Not planned (skipped).#25221 In microsoft/TypeScript;Go-to-Definition/Find all References/… with
JsxNamespacedNameare not workingDomain: LS: Symbol NavigationRelates to go-to-definition, find-all-references, highlighting/occurrences.Relates to go-to-definition, find-all-references, highlighting/occurrences.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: Not planned (skipped).#62123 In microsoft/TypeScript;respect pragma for imports on sort
Domain: LS: Organize ImportsIssues with the organize imports featureIssues with the organize imports featureHelp 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: Not planned (skipped).#62147 In microsoft/TypeScript;Declaration: JSDoc of local class expression disappears when placed in different files
BugA bug in TypeScriptA bug in TypeScriptHelp WantedYou can do thisYou can do thisStatus: Not planned (skipped).#27295 In microsoft/TypeScript;T[] | { t: 'a' } & { t: 'b' }is not iterable (TS2488)Domain: check: Type InferenceRelated to type inference performed during signature resolution or `infer` type resolutionRelated to type inference performed during signature resolution or `infer` type resolutionFix AvailableA PR has been opened for this issueA PR has been opened for this issuePossible 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).#62462 In microsoft/TypeScript;