25 Pull requests merged by 11 people

• Fix Symbol completion priority and cursor positioning

  #61945 merged Jul 2, 2025

• LEGO: Pull request from lego/hb_5378966c-b857-470a-8675-daebef4a6da1_20250702194908541 to main

  #61992 merged Jul 2, 2025

• Just add a trailing call to visitNode instead of creating a new array when collecting outlining spans

  #61987 merged Jul 2, 2025

• DOM Update 2025-06-18

  #61986 merged Jul 2, 2025

• fix Intl.Segments#containing return value type

  #61236 merged Jul 2, 2025

• Restore repo dispatch for twoslash-repros workflow

  #60682 merged Jul 1, 2025

• fix: diagnostic message for class name 'Object' when targeting different ECMAScript versions

  #61850 merged Jun 30, 2025

• Fix Copilot instructions to emphasize mandatory lint, test, and format steps

  #61950 merged Jun 30, 2025

• perf: improve regexp performance by using non-capturing groups

  #58551 merged Jun 30, 2025

• Bump the github-actions group across 1 directory with 3 updates

  #61804 merged Jun 30, 2025

• Properly disallow yield in bodyless arrows

  #61976 merged Jun 30, 2025

• Revert change to type print in an error message

  #61977 merged Jun 30, 2025

• Fixed nullish coalesce operator's precedence

  #61372 merged Jun 30, 2025

• Don't return tags when returning quick info for JSDoc nodes

  #59816 merged Jun 30, 2025

• Keep accessors as accessors in emitted anonymous class declarations

  #60853 merged Jun 30, 2025

• Handle silentNeverType in iteration-related functions

  #61317 merged Jun 30, 2025

• Fixed crash when getting a definition for a class member with a computed name and an override modifier

  #60631 merged Jun 30, 2025

• Fixed crash in hasVisibleDeclarations related to binding elements

  #61352 merged Jun 30, 2025

• Fixed a printer crash caused by empty parameter modifiers

  #60537 merged Jun 30, 2025

• Fixed JSDoc display on JsxNamespacedName attributes

  #61825 merged Jun 30, 2025

• Fix typo in nightly yaml

  #61906 merged Jun 30, 2025

• Fixed crash on ComputedPropertyName when computing interactive inlay hints

  #61857 merged Jun 30, 2025

• Improve release publisher pipeline

  #61551 merged Jun 30, 2025

• Fixed crash on ConstructSignature when computing interactive inlay hints

  #61973 merged Jun 30, 2025

• Fix capitalisation for checkJs

  #61795 merged Jun 29, 2025

2 Pull requests opened by 2 people

• Restructure CI to prepare for required checks and merge queues

  #61978 opened Jun 30, 2025

• Fixed `anyFunctionType` leak

  #61980 opened Jun 30, 2025

23 Issues closed by 8 people

• Annoyingly useless Symbol completions

  #28364 closed Jul 2, 2025

• Intl.Segments.prototype.containing should include undefined in return value

  #61235 closed Jul 2, 2025

• Diagnostic code `6807` should not be `category: Error`

  #61981 closed Jul 1, 2025

• tsc --init-basic

  #46150 closed Jun 30, 2025

• Error "Class name cannot be 'Object' when targeting ES5 with module CommonJS." when not targeting es5

  #61270 closed Jun 30, 2025

• Fix Copilot instructions to run mandatory steps

  #61949 closed Jun 30, 2025

• Incorrect operator precedence when using private fields with nullish coalescing assignment for targets <= es2021

  #61109 closed Jun 30, 2025

• Manually constructed nullish coalescing AST is missing parentheses when printed

  #61369 closed Jun 30, 2025

• Hovering @param comments duplicates the comment in the hover

  #59402 closed Jun 30, 2025

• Getters in mixins get serialized to property accessors

  #58790 closed Jun 30, 2025

• Unable to override a getter when inheriting from a mixin class

  #44938 closed Jun 30, 2025

• [bug] Auto `accessor` fields are declared as regular properties in mixin abstract classes

  #60672 closed Jun 30, 2025

• Spurious missing `Symbol.iterator` on `never` when `yield*`ing generic call within a generic call

  #61318 closed Jun 30, 2025

• TS 5.8 TypeError: Cannot read properties of undefined (reading 'kind')

  #61351 closed Jun 30, 2025

• JSX `JsxNamespacedName` breaks JSDoc + QuickInfo in VSCode

  #61820 closed Jun 30, 2025

• No inlay hints. provideInlayHints results in Debug Failure. Unexpected node.

  #61845 closed Jun 30, 2025

• Inlay hints are not displayed for certain code

  #61965 closed Jun 30, 2025

• `HTMLIFrameElement.sandbox`'s type should be readonly

  #61974 closed Jun 30, 2025

• Merging Classes With Getters Converts Into a Property

  #61967 closed Jun 30, 2025

• Inconsistent type when using `noUncheckedIndexedAccess`

  #61957 closed Jun 30, 2025

• Multiple `export as namespace` not merging in the same namespace

  #61942 closed Jun 30, 2025

• Generic with nested object incorrectly constraint suggestions in code completion

  #61952 closed Jun 30, 2025

• `PropertyDescriptor` (and `TypedPropertyDescriptor`) should be union of data descriptor and accessor descriptor

  #61966 closed Jun 29, 2025

15 Issues opened by 11 people

• Inconsistent behavior with Generic ElementType

  #61995 opened Jul 3, 2025

• `export let` variable doesn't require the variable to be assigned within current file

  #61994 opened Jul 3, 2025

• Enum const members set to -0 get compiled into 0

  #61993 opened Jul 2, 2025

• Allow `rewriteRelativeImportExtensions` to be used with import `paths` aliases

  #61991 opened Jul 2, 2025

• Type '`x.y.${Name}`' does not satisfy the constraint '`${string}.${Name}`'.(2344)

  #61990 opened Jul 2, 2025

• constraint causes too specific generic type inference

  #61989 opened Jul 2, 2025

• `NaN && 1` gets incorrectly typed as `0 | 1`

  #61988 opened Jul 2, 2025

• Missing constraint error in instantiation expression for a nested class

  #61982 opened Jul 1, 2025

• Missing errors in generic functions in context-sensitive arguments

  #61979 opened Jun 30, 2025

• The parsing problem of the compiler under specific syntax combinations

  #61975 opened Jun 30, 2025

• Feature request: Allow to combine default type import with named imports

  #61972 opened Jun 30, 2025

• Diagnostic code `69010` may be typo of `6910`?

  #61971 opened Jun 30, 2025

• [ServerErrors][TypeScript] 5.9.0-dev.20250629 vs 5.8.3

  #61970 opened Jun 29, 2025

• [ServerErrors][JavaScript] 5.9.0-dev.20250629 vs 5.8.3

  #61969 opened Jun 29, 2025

• [NewErrors] 5.9.0-dev.20250629 vs 5.8.3

  #61968 opened Jun 29, 2025

72 Unresolved conversations

Sometimes conversations happen on old items that aren’t yet closed. Here is a list of all the Issues and Pull Requests with unresolved conversations.

• Fix using transform variable shadowing in for-of loops

  #61934 commented on Jul 1, 2025 • 3 new comments

• Defer checking of class static blocks

  #59607 commented on Jul 3, 2025 • 3 new comments

• Watch failed lookups, affecting locations only if resolution was failed

  #61861 commented on Jul 1, 2025 • 1 new comment

• Fix switch-true case-true narrowing to behave equivalently to default case

  #59459 commented on Jun 30, 2025 • 1 new comment

• Fix IsolatedDeclarations annotations can duplicate comments

  #61497 commented on Jun 30, 2025 • 1 new comment

• Support trailing commas in `typeof import()`

  #61495 commented on Jun 30, 2025 • 1 new comment

• Add the type of Intl.DurationFormat to the lib.

  #60646 commented on Jul 3, 2025 • 1 new comment

• Allow for optional index signatures (for the sake of `exactOptionalPropertyTypes`)

  #46969 commented on Jul 4, 2025 • 0 new comments

• Disable formatting a region of code using directives

  #18261 commented on Jul 4, 2025 • 0 new comments

• Inconsistent typechecking with require() in JS and TS

  #60032 commented on Jul 4, 2025 • 0 new comments

• Error not issued when global type is an alias of an object type literal

  #57564 commented on Jul 4, 2025 • 0 new comments

• Inconsistent type inference on overloaded function types

  #57351 commented on Jul 4, 2025 • 0 new comments

• mapped type with remapped keys unexpectedly widens type

  #57265 commented on Jul 4, 2025 • 0 new comments

• Crash when defining `Array` type via `[]` syntax

  #57009 commented on Jul 4, 2025 • 0 new comments

• Expression produces a union type that is too complex to represent

  #53234 commented on Jul 4, 2025 • 0 new comments

• Order of ReadonlySet/ReadonlyMap in union causes differing key inference

  #52313 commented on Jul 4, 2025 • 0 new comments

• Regression in 4.8 where string union type widens to string

  #50635 commented on Jul 4, 2025 • 0 new comments

• Intersection causes incorrect type compatability

  #48720 commented on Jul 4, 2025 • 0 new comments

• Support inferring `never` as the return type in JavaScript when overriding a class method that returns `never`

  #46791 commented on Jul 4, 2025 • 0 new comments

• Typescript 4.2.x - incorrectly infered generic return type of a record union (extra undefined)

  #43943 commented on Jul 4, 2025 • 0 new comments

• Broken emit when `Infinity` or `‑Infinity` ends up in a type position

  #42905 commented on Jul 4, 2025 • 0 new comments

• Correctly handle generic functions (e.g.: `Object.freeze`) passed as callbacks to generic functions (e.g.: `Array.prototype.map`)

  #42862 commented on Jul 4, 2025 • 0 new comments

• Fix private properties not being allowed in optional chains

  #60263 commented on Jun 30, 2025 • 0 new comments

• Return iterable of RegExpExecArray from RegExp#[Symbol.matchAll]

  #60516 commented on Jul 1, 2025 • 0 new comments

• Remove getNonNullableType application in checkIdentifier

  #60523 commented on Jul 1, 2025 • 0 new comments

• Let properties having primitive types discriminate object unions

  #60718 commented on Jul 1, 2025 • 0 new comments

• Improve how intersections are classified as weak types

  #60889 commented on Jul 1, 2025 • 0 new comments

• Fix for Issue 61081

  #61221 commented on Jun 30, 2025 • 0 new comments

• Update deps, TS 5.8, others

  #61340 commented on Jul 1, 2025 • 0 new comments

• Improve union origin preservation in filtering-unionizing binary expressions

  #61362 commented on Jul 1, 2025 • 0 new comments

• Don't set parent on non-transient symbols in mergeSymbolTable

  #61560 commented on Jun 30, 2025 • 0 new comments

• Add type definitions for `Uint8Array` to/from base64 methods

  #61696 commented on Jul 2, 2025 • 0 new comments

• Suggest completions for type arguments of expressions

  #61758 commented on Jul 3, 2025 • 0 new comments

• Fixed control flow Analysis of aliased discriminants with parenthesized initializers

  #61788 commented on Jul 1, 2025 • 0 new comments

• Type width in error messages

  #61829 commented on Jul 1, 2025 • 0 new comments

• Do not set `valueDeclaration` for intersection properties when one symbol does not have a `valueDeclaration`

  #61872 commented on Jul 1, 2025 • 0 new comments

• @import suggestions for auto-imports in VS Code

  #59935 commented on Jul 2, 2025 • 0 new comments

• ScriptKind.Deferred treated as LanguageVariant.Standard

  #60125 commented on Jul 2, 2025 • 0 new comments

• Destructuring a possibly `undefined` object not caught, throws an error at runtime

  #60179 commented on Jul 2, 2025 • 0 new comments

• Narrowed is fail when use as `T`

  #36613 commented on Jul 2, 2025 • 0 new comments

• base64/hex methods missing from `Uint8Array`

  #61695 commented on Jul 1, 2025 • 0 new comments

• Add CookieStore API types

  #61604 commented on Jul 1, 2025 • 0 new comments

• Unable to use the rename symbol option - exception thrown

  #61984 commented on Jul 1, 2025 • 0 new comments

• Enforce property rules on kebab-cased JSX attributes

  #55182 commented on Jul 1, 2025 • 0 new comments

• Inconsistent quick info on optional properties when supporting hover verbosity

  #61954 commented on Jul 1, 2025 • 0 new comments

• Assigning window.location after 5.8.2 upgrade fails

  #61335 commented on Jun 30, 2025 • 0 new comments

• (not) Deprecating `--rootDirs`

  #61885 commented on Jun 30, 2025 • 0 new comments

• NumberFormatPartTypeRegistry doesn't have approximatelySign in it

  #61960 commented on Jun 30, 2025 • 0 new comments

• Check inferred `this` parameter against interface requirement `this: void`

  #44513 commented on Jun 30, 2025 • 0 new comments

• VSCode auto-import ignores typescript.preferences.importModuleSpecifierEnding when using a path from the package.json imports

  #60423 commented on Jun 29, 2025 • 0 new comments

• TypeScript code suggestions include inaccessible private fields from base classes

  #61462 commented on Jun 29, 2025 • 0 new comments

• Allow Inifinity and -Infinity as number literal types

  #32277 commented on Jun 29, 2025 • 0 new comments

• Inconsistent lookup/resolution for `typeof` in JSDoc in references search

  #61959 commented on Jun 28, 2025 • 0 new comments

• Disable type checking for node_modules entirely

  #40426 commented on Jun 28, 2025 • 0 new comments

• Error when trying to assign a subclass of a base class with generics to `typeof` of that base class

  #41770 commented on Jul 4, 2025 • 0 new comments

• Compile error if I named last array destructuring element.

  #41548 commented on Jul 4, 2025 • 0 new comments

• In JSDoc @type is not a type declaration, which it is much more like type conversion.

  #39650 commented on Jul 4, 2025 • 0 new comments

• improper declared type cause narrow type not work when its computed type is not union.

  #39114 commented on Jul 4, 2025 • 0 new comments

• Implicit Symbol.iterator call in for..of loops / spread destructuring doesn't infer `this` generic type parameter

  #38388 commented on Jul 4, 2025 • 0 new comments

• Support Intellisense for string/number literals in a widened union

  #33471 commented on Jul 4, 2025 • 0 new comments

• Allow extending types referenced through interfaces

  #31843 commented on Jul 4, 2025 • 0 new comments

• Suggestion: Type annotations and interfaces for function declarations

  #22063 commented on Jul 4, 2025 • 0 new comments

• this any typed in some JS object literals

  #22058 commented on Jul 4, 2025 • 0 new comments

• Error inferring types of promise function

  #17873 commented on Jul 4, 2025 • 0 new comments

• Support @class in JSDoc

  #12681 commented on Jul 4, 2025 • 0 new comments

• disallow comparing to null and undefined unless they are valid cases in strict null mode

  #11920 commented on Jul 4, 2025 • 0 new comments

• Incorrect type declarations for a constant inside a namespace merged with an enum

  #61944 commented on Jul 4, 2025 • 0 new comments

• 6.0 Deprecation Candidates

  #54500 commented on Jul 3, 2025 • 0 new comments

• Completions for type arguments of expressions

  #61751 commented on Jul 3, 2025 • 0 new comments

• TypeScript class method decorator not rendering properly in version >= 1.63.2

  #47679 commented on Jul 3, 2025 • 0 new comments

• JS/TS language service crashes & endless “Analyzing…” / formatter-hang due to Copilot-Chat watcher storm (vscode-chat-code-block paths)

  #61985 commented on Jul 3, 2025 • 0 new comments

• TypeScript 5.9 Iteration Plan

  #61648 commented on Jul 2, 2025 • 0 new comments