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Forbid unused property renaming in destructuring binding in function types #41044

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merged 31 commits into from Jun 14, 2022

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@uhyo uhyo commented Oct 11, 2020

Happy hacktoberfest!! 馃巸馃コ

Fixes #37454.

The PR implements mainly two things, as suggested in #41044 (comment):

  • Emit an error for property renaming in destructing binding in function types if it is unused. This is not under noUnusedLocals nor noUnusedParameters, but declaration files are not checked.
  • Changes declaration emit so that property renaming in destructing bunding is removed if it is unused.

Example

type O = { a?: string; b: number; c: number; };
type F1 = (arg: number) => any; // OK
type F2 = ({ a: string }: O) => any; // Error
type F3 = ({ a: string, b, c }: O) => any; // Error
type F4 = ({ a: string }: O) => any; // Error
type F5 = ({ a: string, b, c }: O) => any; // Error
type F6 = ({ a: string }) => typeof string; // OK
type F7 = ({ a: string, b: number }) => typeof number; // Error
type F8 = ({ a, b: number }) => typeof number; // OK
type F9 = ([a, b, c]) => void; // Error

type G1 = (arg: number) => any; // OK
type G2 = ({ a: string }: O) => any; // Error
type G3 = ({ a: string, b, c }: O) => any; // Error
type G4 = ({ a: string }: O) => any; // Error
type G5 = ({ a: string, b, c }: O) => any; // Error
type G6 = ({ a: string }) => typeof string; // OK
type G7 = ({ a: string, b: number }) => typeof number; // Error
type G8 = ({ a, b: number }) => typeof number; // OK
type G9 = ([a, b, c]) => void; // Error

Results

All the errors below are new in this PR.

src/index.ts:3:17 - error TS2842: Variable 'string' is not used. Did you mean to write a type annotation for whole object?

3 type F2 = ({ a: string }: O) => any; // Error
                  ~~~~~~

src/index.ts:4:17 - error TS2842: Variable 'string' is not used. Did you mean to write a type annotation for whole object?

4 type F3 = ({ a: string, b, c }: O) => any; // Error
                  ~~~~~~

src/index.ts:5:17 - error TS2842: Variable 'string' is not used. Did you mean to write a type annotation for whole object?

5 type F4 = ({ a: string }: O) => any; // Error
                  ~~~~~~

src/index.ts:6:17 - error TS2842: Variable 'string' is not used. Did you mean to write a type annotation for whole object?

6 type F5 = ({ a: string, b, c }: O) => any; // Error
                  ~~~~~~

src/index.ts:8:17 - error TS2842: Variable 'string' is not used. Did you mean to write a type annotation for whole object?

8 type F7 = ({ a: string, b: number }) => typeof number; // Error
                  ~~~~~~

src/index.ts:13:17 - error TS2842: Variable 'string' is not used. Did you mean to write a type annotation for whole object?

13 type G2 = ({ a: string }: O) => any; // Error
                   ~~~~~~

src/index.ts:14:17 - error TS2842: Variable 'string' is not used. Did you mean to write a type annotation for whole object?

14 type G3 = ({ a: string, b, c }: O) => any; // Error
                   ~~~~~~

src/index.ts:15:17 - error TS2842: Variable 'string' is not used. Did you mean to write a type annotation for whole object?

15 type G4 = ({ a: string }: O) => any; // Error
                   ~~~~~~

src/index.ts:16:17 - error TS2842: Variable 'string' is not used. Did you mean to write a type annotation for whole object?

16 type G5 = ({ a: string, b, c }: O) => any; // Error
                   ~~~~~~

src/index.ts:18:17 - error TS2842: Variable 'string' is not used. Did you mean to write a type annotation for whole object?

18 type G7 = ({ a: string, b: number }) => typeof number; // Error
                   ~~~~~~


Found 10 errors in the same file, starting at: src/index.ts:3

@typescript-bot typescript-bot added the For Backlog Bug PRs that fix a backlog bug label Oct 11, 2020
@sandersn sandersn added this to Not started in PR Backlog Oct 20, 2020
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@rbuckton this may be affected when you change the way binding patterns are handled.

@sandersn sandersn moved this from Not started to Needs review in PR Backlog Oct 20, 2020
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This PR also modifies declaration emission so that it does not generate invalid function types as to the above rule.

Note that this PR is a breaking change, so can鈥檛 be merged into 4.1鈥攊t means people consuming existing declarations generated from totally reasonable code (your const k = ({x: z = 'y'}) => { } example) will suddenly get errors. We might even want to consider suppressing this error in declaration files, as it鈥檚 pretty annoying to start issuing a bunch of new errors inside people鈥檚 node_modules, with obviously no benefit to the owners of those node_modules.

@andrewbranch andrewbranch added the Breaking Change Would introduce errors in existing code label Oct 20, 2020
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Perhaps a gentler way of doing this is putting it under --noUnusedLocals, since that鈥檚 basically what it is鈥攁 new name introduced that is highly unlikely to be used (though it technically can be: type F = ({ a: foo }) => typeof foo). --noUnusedLocals checks are downgraded to suggestion diagnostics in declaration files, so it has the advantage of being visible in the editor for someone who鈥檚 hand-authoring a declaration file, but will never break a build for declaration consumers.

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uhyo commented Oct 18, 2021

Happy hacktoberfest again! 馃巸馃コ

@andrewbranch cc: @rbuckton
Sorry for spending one year for reflecting your comment. 馃槗
This PR is wholly renewed and now the check is under noUsedParameters, and declaration emit is untouched.

I would like to request your re-check. Thank you.

@uhyo uhyo changed the title Forbid property renaming in destructuring binding in function types Forbid unused property renaming in destructuring binding in function types Oct 18, 2021
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Wow, this PR really came back from the dead! 馃

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Still technically a breaking change, so let鈥檚 look in the 4.6 timeline. Thanks!

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@andrewbranch your last comment makes it sound like this is ready to be merged, but early in a release cycle. Is that true? Am I misreading it?

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I definitely think we should get this into 4.8 because having forgotten what it was about and returning to the test, I totally fell for the trick that this tries to prevent, thinking string in ({ a: string }) => any is a type annotation 馃槅

I think it may be worth bringing a couple things to a design meeting:

  • Should this error be triggered by noUnusedLocals, noUnusedParameters, or neither? I know previously I had suggested it might make sense for it to be behind a flag, and I think you could bikeshed whether a rebinding of a destructured parameter is a parameter or a local. But looking at it now, there is truly no reason to write this syntax, so I think it may be worth considering always making it an error. On the other hand, both noUnused options have pretty wide adoption, so maybe it鈥檚 fine as it is.
  • Especially if we decide to always make it an error, do we want a specialized message for this? When I looked at the error baseline for the first time in a year, I was briefly confused. It鈥檚 normal for names declared in types to be 鈥渘ever read,鈥 and the message really sounds cryptic if you were under the impression that : string was a type annotation. I think a better error message would indicate what the syntax is: 鈥淩ebinding a destructured parameter is not allowed in a function type鈥 or something (needs some work).
  • I鈥檓 still concerned about new errors popping up in declaration files that we generated from existing code. I鈥檓 second-guessing my previous feedback that we shouldn鈥檛 change declaration emit to avoid this pattern, and I also want to think about whether we can/should suppress this check in declaration files.

type F2 = ({ a: string }) => any;
~~~~~~~~~~~~~
!!! error TS6133: 'string' is declared but its value is never read.
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Looking at the error span on this, it feels a bit odd for it to be the whole binding pattern rather than just the element or just string. It would be good to add a test like

type F2 = ({ a: string, b }) => any;

which I think will really indicate whether the error span is appropriate.

@andrewbranch andrewbranch added this to Agenda in Design Meeting Docket via automation May 27, 2022
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Decision from design meeting:

  1. Let's bring back the commit that changed the declaration emit
  2. For back compat reasons, we cannot issue the error on .d.ts files
  3. For implementation files, we actually want to issue an error regardless of noUnusedParameter/noUnusedLocals. We should craft a new error message, not the 鈥渄eclared but never read鈥 message.
  4. However, we want to silence the error if the rebound name is used in a type query somewhere else in the type:
    type F1 = ({ x: renamedX }) => void;             // Error
    type F2 = ({ x: renamedX }) => typeof renamedX;  // No error

@andrewbranch andrewbranch removed this from Agenda in Design Meeting Docket Jun 3, 2022
@sandersn sandersn assigned andrewbranch and unassigned rbuckton Jun 6, 2022
@sandersn sandersn moved this from Waiting on reviewers to Waiting on author in PR Backlog Jun 6, 2022
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@uhyo are you interested in making these changes, almost 2 years later? 馃槅

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uhyo commented Jun 8, 2022

Sure! I'll work on this within a few days.

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Almost there 馃憤

new ({ a: string }): any; // Error
~~~~~~
!!! error TS2842: 'string' is an unused renaming of 'a'. Did you intend to use it as a type annotation?
!!! related TS2843 tests/cases/compiler/renamingDestructuredPropertyInFunctionType.ts:40:20: We can only write a type for '{ a: string }' by adding a type for the entire parameter here.
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I believe the interpolation here is intended to be We can only write a type for 'a'...

type G10 = new ({ "a": string }) => void; // Error
type G11 = new ({ 2: string }) => void; // Error
type G12 = new ({ ["a"]: string }: O) => void; // Error
type G13 = new ({ [2]: string }) => void; // Error
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Can you add a comment explaining that string has to be retained in declaration emit even though it鈥檚 an error, because eliding it would leave invalid syntax (since the property names aren鈥檛 identifiers)?

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fixed!

type G6 = new ({ a: string }) => typeof string; // OK
type G7 = new ({ a: string, b: number }) => typeof number; // Error
type G8 = new ({ a, b: number }) => typeof number; // OK
type G9 = new ([a, b, c]) => void; // Error
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This is incorrectly labeled 鈥淓rror鈥

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oops 馃

@@ -37564,6 +37575,24 @@ namespace ts {
});
}

function checkPotentialUncheckedRenamedBindingElementsInTypes() {
for (const node of potentialUnusedRenamedBindingElementsInTypes) {
if (!(getSymbolOfNode(node)?.isReferenced! & SymbolFlags.Type)) {
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Huh, isReferenced is marked with Type in the case of typeof renamedThing? I would have thought that counts as a value usage. The tests look right so I assume this works, I鈥檓 just surprised. Do we need to check against Type at all or can we just say if (!(getSymbolOfNode(node)?.isReferenced)?

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Apparently just checking truthiness of isReferenced is enough. Thank you 馃檪

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Thank you! 馃専

PR Backlog automation moved this from Waiting on author to Needs merge Jun 14, 2022
@andrewbranch andrewbranch merged commit 29dffc3 into microsoft:main Jun 14, 2022
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PR Backlog automation moved this from Needs merge to Done Jun 14, 2022
@uhyo uhyo deleted the fix-37454 branch June 15, 2022 02:55
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I think #50483 is probably cause by this PR, could anyone check it?

SoTrxII pushed a commit to SoTrxII/Pandora that referenced this pull request Aug 31, 2022
jakebailey added a commit to jakebailey/TypeScript that referenced this pull request Sep 14, 2022
jakebailey added a commit to jakebailey/TypeScript that referenced this pull request Sep 22, 2022
andrewbranch pushed a commit that referenced this pull request Sep 22, 2022
* Retain name and propertyName in declaration emit copies of binding patterns if property name is a keyword (#50537)

* Retain name and propertyName in declaration emit copies of binding patterns if property name is a keyword

* Accept baselines

* Remove out of date file

* Partially revert #41044, restoring parameter destructurings in d.ts files (#50779)

* Update baselines

Co-authored-by: Wesley Wigham <wewigham@microsoft.com>
crapStone pushed a commit to Calciumdibromid/CaBr2 that referenced this pull request Jan 12, 2023
This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [typescript](https://www.typescriptlang.org/) ([source](https://github.com/Microsoft/TypeScript)) | devDependencies | minor | [`4.8.4` -> `4.9.4`](https://renovatebot.com/diffs/npm/typescript/4.8.4/4.9.4) |

---

### Release Notes

<details>
<summary>Microsoft/TypeScript</summary>

### [`v4.9.4`](https://github.com/microsoft/TypeScript/releases/tag/v4.9.4): TypeScript 4.9.4

[Compare Source](https://github.com/Microsoft/TypeScript/compare/v4.9.3...v4.9.4)

For release notes, check out the [release announcement](https://devblogs.microsoft.com/typescript/announcing-typescript-4-9).

For the complete list of fixed issues, check out the

-   [fixed issues query for Typescript v4.9.4](https://github.com/Microsoft/TypeScript/issues?utf8=%E2%9C%93\&q=is%3Aissue+milestone%3A%22TypeScript+4.9.4%22+is%3Aclosed+).

Downloads are available on:

-   [npm](https://www.npmjs.com/package/typescript)
-   [NuGet package](https://www.nuget.org/packages/Microsoft.TypeScript.MSBuild)

#### Changes:

-   [`e286821`](https://github.com/Microsoft/TypeScript/commit/e2868216f637e875a74c675845625eb15dcfe9a2) Bump version to 4.9.4 and LKG.
-   [`eb5419f`](https://github.com/Microsoft/TypeScript/commit/eb5419fc8d980859b98553586dfb5f40d811a745) Cherry-pick [#&#8203;51704](https://github.com/Microsoft/TypeScript/issues/51704) to release 4.9 ([#&#8203;51712](https://github.com/Microsoft/TypeScript/issues/51712))
-   [`b4d382b`](https://github.com/Microsoft/TypeScript/commit/b4d382b9b12460adf2da4cc0d1429cf19f8dc8be) Cherry-pick changes for narrowing to tagged literal types.
-   [`e7a02f4`](https://github.com/Microsoft/TypeScript/commit/e7a02f43fce47e1a39259ada5460bcc33c8e98b5) Port of [#&#8203;51626](https://github.com/Microsoft/TypeScript/issues/51626) and [#&#8203;51689](https://github.com/Microsoft/TypeScript/issues/51689) to release-4.9 ([#&#8203;51627](https://github.com/Microsoft/TypeScript/issues/51627))
-   [`1727912`](https://github.com/Microsoft/TypeScript/commit/1727912f0437a7f367d90040fc4b0b4f3efd017a) Cherry-pick fix around `visitEachChild` to release-4.9. ([#&#8203;51544](https://github.com/Microsoft/TypeScript/issues/51544))

This list of changes was [auto generated](https://typescript.visualstudio.com/cf7ac146-d525-443c-b23c-0d58337efebc/\_release?releaseId=117&\_a=release-summary).

### [`v4.9.3`](https://github.com/microsoft/TypeScript/releases/tag/v4.9.3): TypeScript 4.9

[Compare Source](https://github.com/Microsoft/TypeScript/compare/v4.8.4...v4.9.3)

For release notes, check out the [release announcement](https://devblogs.microsoft.com/typescript/announcing-typescript-4-9/).

Downloads are available on:

-   [npm](https://www.npmjs.com/package/typescript)
-   [NuGet package](https://www.nuget.org/packages/Microsoft.TypeScript.MSBuild)

#### Changes:

-   [`93bd577`](https://github.com/Microsoft/TypeScript/commit/93bd577458d55cd720b2677705feab5c91eb12ce) Bump version to 4.9.3 and LKG.
-   [`107f832`](https://github.com/Microsoft/TypeScript/commit/107f832b80df2dc97748021cb00af2b6813db75b) Update LKG.
-   [`31bee56`](https://github.com/Microsoft/TypeScript/commit/31bee5682df130a14ffdd5742f994dbe7313dd0e) Cherry-pick PR [#&#8203;50977](https://github.com/Microsoft/TypeScript/issues/50977) into release-4.9 ([#&#8203;51363](https://github.com/Microsoft/TypeScript/issues/51363)) \[ [#&#8203;50872](https://github.com/Microsoft/TypeScript/issues/50872) ]
-   [`1e2fa7a`](https://github.com/Microsoft/TypeScript/commit/1e2fa7ae15f8530910fef8b916ec8a4ed0b59c45) Update version to 4.9.2-rc and LKG.
-   [`7ab89e5`](https://github.com/Microsoft/TypeScript/commit/7ab89e5c6e401d161f31f28a6c555a3ba530910e) Merge remote-tracking branch 'origin/main' into release-4.9
-   [`e5cd686`](https://github.com/Microsoft/TypeScript/commit/e5cd686defb1a4cbdb36bd012357ba5bed28f371) Update package-lock.json
-   [`8d40dc1`](https://github.com/Microsoft/TypeScript/commit/8d40dc15d1b9945837e7860320fdccfe27c40cad) Update package-lock.json
-   [`5cfb3a2`](https://github.com/Microsoft/TypeScript/commit/5cfb3a2fe344a5350734305193e6cc99516285ca) Only call return() for an abrupt completion in user code ([#&#8203;51297](https://github.com/Microsoft/TypeScript/issues/51297))
-   [`a7a9d15`](https://github.com/Microsoft/TypeScript/commit/a7a9d158e817fcb0e94dc1c24e0a401b21be0cc9) Fix for broken baseline in yieldInForInInDownlevelGenerator ([#&#8203;51345](https://github.com/Microsoft/TypeScript/issues/51345))
-   [`7f8426f`](https://github.com/Microsoft/TypeScript/commit/7f8426f4df0d0a7dd8b72079dafc3e60164a23b1) fix for-in enumeration containing yield in generator ([#&#8203;51295](https://github.com/Microsoft/TypeScript/issues/51295))

<details><summary><b>See More</b></summary>

-   [`3d2b401`](https://github.com/Microsoft/TypeScript/commit/3d2b4017eb6b9a2b94bc673291e56ae95e8beddd) Fix assertion functions accessed via wildcard imports ([#&#8203;51324](https://github.com/Microsoft/TypeScript/issues/51324))
-   [`64d0d5a`](https://github.com/Microsoft/TypeScript/commit/64d0d5ae140b7b26a09e75114517b418d6bcaa9f) fix(51301): Fixing an unused import at the end of a line removes the newline ([#&#8203;51320](https://github.com/Microsoft/TypeScript/issues/51320))
-   [`754eeb2`](https://github.com/Microsoft/TypeScript/commit/754eeb2986bde30d5926e0fa99c87dda9266d01b) Update CodeQL workflow and configuration, fix found bugs ([#&#8203;51263](https://github.com/Microsoft/TypeScript/issues/51263))
-   [`d8aad26`](https://github.com/Microsoft/TypeScript/commit/d8aad262006ad2d2c91aa7a0e4449b4b83c57f7b) Update package-lock.json
-   [`d4f26c8`](https://github.com/Microsoft/TypeScript/commit/d4f26c840b1db76c0b25a405c8e73830a2b45cbc) fix(51245): Class with parameter decorator in arrow function causes "convert to default export" refactoring failure ([#&#8203;51256](https://github.com/Microsoft/TypeScript/issues/51256))
-   [`16faf45`](https://github.com/Microsoft/TypeScript/commit/16faf45682173ea437a50330feb4785578923d7f) Update package-lock.json
-   [`8b1ecdb`](https://github.com/Microsoft/TypeScript/commit/8b1ecdb701e2a2e19e9f8bcdd6b2beac087eabee) fix(50654): "Move to a new file" breaks the declaration of referenced variable ([#&#8203;50681](https://github.com/Microsoft/TypeScript/issues/50681))
-   [`170a17f`](https://github.com/Microsoft/TypeScript/commit/170a17fad57eae619c5ef2b7bdb3ac00d6c32c47) Dom update 2022-10-25 ([#&#8203;51300](https://github.com/Microsoft/TypeScript/issues/51300))
-   [`9c4e14d`](https://github.com/Microsoft/TypeScript/commit/9c4e14d75174432f6a4dc5967a09712a6784ab88) Remove "No type information for this code" from baseline ([#&#8203;51311](https://github.com/Microsoft/TypeScript/issues/51311))
-   [`88d25b4`](https://github.com/Microsoft/TypeScript/commit/88d25b4f232929df59729156dfda6b65277affec) fix(50068): Refactors trigger debug failure when JSX text has a ' and a tag on the same line. ([#&#8203;51299](https://github.com/Microsoft/TypeScript/issues/51299))
-   [`8bee69a`](https://github.com/Microsoft/TypeScript/commit/8bee69acf410d4986cb0cc102b949e2d133d5380) Update package-lock.json
-   [`702de1e`](https://github.com/Microsoft/TypeScript/commit/702de1eeaaef88a189e4d06e5a2aae287853790a) Fix early call to return/throw on generator ([#&#8203;51294](https://github.com/Microsoft/TypeScript/issues/51294))
-   [`2c12b14`](https://github.com/Microsoft/TypeScript/commit/2c12b1499908ad7718e65d20e264561207c22375) Add a GH Action to file a new issue if we go a week without seeing a typescript-error-deltas issue ([#&#8203;51271](https://github.com/Microsoft/TypeScript/issues/51271))
-   [`6af270d`](https://github.com/Microsoft/TypeScript/commit/6af270dee09d62516f6dc02ec102a745ffebc037) Update package-lock.json
-   [`2cc4c16`](https://github.com/Microsoft/TypeScript/commit/2cc4c16a26672a7ba6c97ba16309fcf334db7cae) Update package-lock.json
-   [`6093491`](https://github.com/Microsoft/TypeScript/commit/60934915d9ccc4ca9c0fb2cd060d7ec81601942b) Fix apparent typo in getStringMappingType ([#&#8203;51248](https://github.com/Microsoft/TypeScript/issues/51248))
-   [`61c2609`](https://github.com/Microsoft/TypeScript/commit/61c26096e3373719ece686b84c698423890e9a5f) Update package-lock.json
-   [`ef69116`](https://github.com/Microsoft/TypeScript/commit/ef69116c41cb6805f89e6592eacb0ccb7f02207d) Generate shortest `rootDirs` module specifier instead of first possible ([#&#8203;51244](https://github.com/Microsoft/TypeScript/issues/51244))
-   [`bbb42f4`](https://github.com/Microsoft/TypeScript/commit/bbb42f453dc684e03d977c5b70391124d57543a9) Fix typo in canWatchDirectoryOrFile found by CodeQL ([#&#8203;51262](https://github.com/Microsoft/TypeScript/issues/51262))
-   [`a56b254`](https://github.com/Microsoft/TypeScript/commit/a56b254ad3c52b598bc5d44f83f3d0a1cf806068) Include 'this' type parameter in isRelatedTo fast path ([#&#8203;51230](https://github.com/Microsoft/TypeScript/issues/51230))
-   [`3abd351`](https://github.com/Microsoft/TypeScript/commit/3abd351c0eea55758f27ee5558a4a1525b77f45b) Fix super property transform in async arrow in method ([#&#8203;51240](https://github.com/Microsoft/TypeScript/issues/51240))
-   [`eed0511`](https://github.com/Microsoft/TypeScript/commit/eed05112180e0d94f78aa02d676d49468f15dc31) Update package-lock.json
-   [`2625c1f`](https://github.com/Microsoft/TypeScript/commit/2625c1feae25aede35465ca835440fc57bf13d52) Make the init config category order predictable ([#&#8203;51247](https://github.com/Microsoft/TypeScript/issues/51247))
-   [`1ca99b3`](https://github.com/Microsoft/TypeScript/commit/1ca99b34029dafad2c18af7bdc0711f4abf7e522) fix(50551): Destructuring assignment with var bypasses "variable is used before being assigned" check (2454) ([#&#8203;50560](https://github.com/Microsoft/TypeScript/issues/50560))
-   [`3f28fa1`](https://github.com/Microsoft/TypeScript/commit/3f28fa12dfecb8dfd66ce4684bf26f64e1f092f1) Update package-lock.json
-   [`906ebe4`](https://github.com/Microsoft/TypeScript/commit/906ebe49334a3a9c2dbd73cd3c902898bc712b66) Revert structuredTypeRelatedTo change and fix isUnitLikeType ([#&#8203;51076](https://github.com/Microsoft/TypeScript/issues/51076))
-   [`8ac4652`](https://github.com/Microsoft/TypeScript/commit/8ac465239f52de1da3ada8cdc4c3f107f4d62e45) change type ([#&#8203;51231](https://github.com/Microsoft/TypeScript/issues/51231))
-   [`245a02c`](https://github.com/Microsoft/TypeScript/commit/245a02cbed7ad50a21289730159abc8d19a66f40) fix(51222): Go-to-definition on return statements should jump to the containing function declaration ([#&#8203;51227](https://github.com/Microsoft/TypeScript/issues/51227))
-   [`2dff34e`](https://github.com/Microsoft/TypeScript/commit/2dff34e8c4a91c0005ca9ccfb7e045e225b6f2e4) markAliasReferenced should include ExportValue as well ([#&#8203;51219](https://github.com/Microsoft/TypeScript/issues/51219))
-   [`5ef2634`](https://github.com/Microsoft/TypeScript/commit/5ef2634f3df138323383c7f2e5a05163a924ee86) Update package-lock.json
-   [`d0f0e35`](https://github.com/Microsoft/TypeScript/commit/d0f0e35c88ae017fc4c1213eb2f83303ee22ebde) Remove old tslint comments ([#&#8203;51220](https://github.com/Microsoft/TypeScript/issues/51220))
-   [`85d405a`](https://github.com/Microsoft/TypeScript/commit/85d405a1d74c0730a9d8d6307b26e8d6f3f75421) Fixed a false positive "await has no effect on the type" diagnostic with mixed generic union ([#&#8203;50833](https://github.com/Microsoft/TypeScript/issues/50833))
-   [`1f8959f`](https://github.com/Microsoft/TypeScript/commit/1f8959f5dc04b2b2c2fc8a7dc53b6ac761e1f754) fix: avoid downleveled dynamic import closing over specifier expression ([#&#8203;49663](https://github.com/Microsoft/TypeScript/issues/49663))
-   [`11066b2`](https://github.com/Microsoft/TypeScript/commit/11066b264f5d30fb5ac1f6c2f3a155c0190e75d2) Rename internal functions to `narrowTypeBySwitchOnTypeOf` and `narrowTypeByInKeyword` ([#&#8203;51215](https://github.com/Microsoft/TypeScript/issues/51215))
-   [`4c9afe8`](https://github.com/Microsoft/TypeScript/commit/4c9afe8812fcdb4658472ccbced4a5cd4bae70ea) Update package-lock.json
-   [`f25bcb7`](https://github.com/Microsoft/TypeScript/commit/f25bcb7c27d78ce89e9c9356d27058cf86dbfb5c) fix(49196): add jsdoc snippet for interface member functions ([#&#8203;51135](https://github.com/Microsoft/TypeScript/issues/51135))
-   [`7406ee9`](https://github.com/Microsoft/TypeScript/commit/7406ee9c145cd7d6117391818d5a1eca2d66ca8f) fix(51170): Completing an unimplemented property overwrites rest of line ([#&#8203;51175](https://github.com/Microsoft/TypeScript/issues/51175))
-   [`a1d82fc`](https://github.com/Microsoft/TypeScript/commit/a1d82fc9dcced6ca6bde6e21c385d152d083679f) Remove some unnecessary code discovered by rollup ([#&#8203;51204](https://github.com/Microsoft/TypeScript/issues/51204))
-   [`0481773`](https://github.com/Microsoft/TypeScript/commit/0481773a27fc6a0132c34502fd2a3b0c73cf63a3) LEGO: Merge pull request 51200
-   [`98c19cb`](https://github.com/Microsoft/TypeScript/commit/98c19cbbbe83c2ae3c89a4e08317a4b9ccbcb206) LEGO: Merge pull request 51190
-   [`13c9b05`](https://github.com/Microsoft/TypeScript/commit/13c9b05384544262363f3fd8b942b36aeb84fc61) Update package-lock.json
-   [`673475e`](https://github.com/Microsoft/TypeScript/commit/673475e1c5e582f2fd0bf8d89e33c7708607c8d8) Update package-lock.json
-   [`f6cf510`](https://github.com/Microsoft/TypeScript/commit/f6cf51053e024714dd6b8463fe6f8e7e33461e6b) Add more tracing to node16/nodenext resolution ([#&#8203;51168](https://github.com/Microsoft/TypeScript/issues/51168))
-   [`83c5581`](https://github.com/Microsoft/TypeScript/commit/83c5581588f660247bd9648bafe67b49de060a55) Update package-lock.json
-   [`be5f0fe`](https://github.com/Microsoft/TypeScript/commit/be5f0fe5acfed5146514ebe7c1b65529def8e490) Add an extra regression test for awaited unresolvable recursive union ([#&#8203;51167](https://github.com/Microsoft/TypeScript/issues/51167))
-   [`2cb7e77`](https://github.com/Microsoft/TypeScript/commit/2cb7e779d70d57ef0d46dd3f768e646b8bbe783a) fix(50416): correctly names disabled export refactors ([#&#8203;50663](https://github.com/Microsoft/TypeScript/issues/50663)) \[ [#&#8203;50416](https://github.com/Microsoft/TypeScript/issues/50416) ]
-   [`2bcfed0`](https://github.com/Microsoft/TypeScript/commit/2bcfed01f3458996e71ce37af43e3495cb7e4950) feat(37440): Provide a quick-fix for non-exported types ([#&#8203;51038](https://github.com/Microsoft/TypeScript/issues/51038))
-   [`a24201c`](https://github.com/Microsoft/TypeScript/commit/a24201c8ef6f82b5729ab677b7a1a1d6d745fcb8) Remove VSDevMode.ps1 and createPlaygroundBuild ([#&#8203;51166](https://github.com/Microsoft/TypeScript/issues/51166))
-   [`2da62a7`](https://github.com/Microsoft/TypeScript/commit/2da62a784bbba237b8239e84c8629cfafb0f595e) fix(51112): omit parameter names that precede the type ([#&#8203;51142](https://github.com/Microsoft/TypeScript/issues/51142))
-   [`cf1b6b7`](https://github.com/Microsoft/TypeScript/commit/cf1b6b73330eab2dd484d71cbdb662a83b3c726f) feat(51163): show QF to fill in the missing properties for the mapped type. ([#&#8203;51165](https://github.com/Microsoft/TypeScript/issues/51165))
-   [`bdcc240`](https://github.com/Microsoft/TypeScript/commit/bdcc240d68245e4be865b385bd6a8fd8fa546f56) Remove bug-causing carve-out in conditional type instantiation that hopefully is no longer required ([#&#8203;51151](https://github.com/Microsoft/TypeScript/issues/51151))
-   [`37317a2`](https://github.com/Microsoft/TypeScript/commit/37317a208f34c141b64e26d0e92b3aed346e531f) Check nested weak types in intersections on target side of relation ([#&#8203;51140](https://github.com/Microsoft/TypeScript/issues/51140))
-   [`9f49f9c`](https://github.com/Microsoft/TypeScript/commit/9f49f9ccb05a7bb56b8ca84b8036a3ad4e0e7c2b) Update package-lock.json
-   [`4f54e7e`](https://github.com/Microsoft/TypeScript/commit/4f54e7e947298162d29f3104265e74dcfbc90d82) Fix isExhaustiveSwitchStatement to better handle circularities ([#&#8203;51095](https://github.com/Microsoft/TypeScript/issues/51095))
-   [`503604c`](https://github.com/Microsoft/TypeScript/commit/503604c884bd0557c851b11b699ef98cdb65b93b) Overloads shouldn't gain [@&#8203;deprecated](https://github.com/deprecated) tags of other overloads in quick info ([#&#8203;50904](https://github.com/Microsoft/TypeScript/issues/50904))
-   [`e14a229`](https://github.com/Microsoft/TypeScript/commit/e14a2298c5add93816c6f487bcfc5ac72e3a4c59) Update package-lock.json
-   [`67256e5`](https://github.com/Microsoft/TypeScript/commit/67256e50c41aa9178a60c52de8416477f070b190) Remove unused declarations array in extractSymbol's TargetRange ([#&#8203;51091](https://github.com/Microsoft/TypeScript/issues/51091))
-   [`9c87ded`](https://github.com/Microsoft/TypeScript/commit/9c87ded2b3fc4ba4a9a7656e9be39d5e404e6ab6) fix(51100): ensure tsserver shuts down when parent process is killed ([#&#8203;51107](https://github.com/Microsoft/TypeScript/issues/51107))
-   [`c01ae01`](https://github.com/Microsoft/TypeScript/commit/c01ae01fac37268bac3362fb6e6d26db730f7ed5) Fix nightly publish oops in Gulpfile ([#&#8203;51131](https://github.com/Microsoft/TypeScript/issues/51131))
-   [`a7d10f1`](https://github.com/Microsoft/TypeScript/commit/a7d10f15bbd28166b869ae00482214e360891613) Update package-lock.json
-   [`d0bfd8c`](https://github.com/Microsoft/TypeScript/commit/d0bfd8caed521bfd24fc44960d9936a891744bb7) fix(51072): ts.preProcessFile finds import in template string after conditional expression with template strings ([#&#8203;51082](https://github.com/Microsoft/TypeScript/issues/51082))
-   [`ad56b5c`](https://github.com/Microsoft/TypeScript/commit/ad56b5ca56b763ab377e07121ecfebb457a2e810) Convert scripts/Gulpfile to checked mjs/cjs so they can run without compilation ([#&#8203;50988](https://github.com/Microsoft/TypeScript/issues/50988))
-   [`dbeae5d`](https://github.com/Microsoft/TypeScript/commit/dbeae5d943c784661862c52b8e215a2907c31a33) fix(51017): Make lineText in the references response opt-out ([#&#8203;51081](https://github.com/Microsoft/TypeScript/issues/51081))
-   [`d06a592`](https://github.com/Microsoft/TypeScript/commit/d06a592d02955822a7407b70969fb7a82bc17d59) Properly defer resolution of mapped types with generic `as` clauses ([#&#8203;51050](https://github.com/Microsoft/TypeScript/issues/51050))
-   [`42b1049`](https://github.com/Microsoft/TypeScript/commit/42b1049aee8c655631cb4f0065de86ec1023d20a) Update package-lock.json
-   [`5f3e6cc`](https://github.com/Microsoft/TypeScript/commit/5f3e6cc4980d26af5d8a8f463e59b2c3338165c6) Plugin probe location is higher priority than peer node_modules ([#&#8203;51079](https://github.com/Microsoft/TypeScript/issues/51079)) \[ [#&#8203;34616](https://github.com/Microsoft/TypeScript/issues/34616) ]
-   [`2648f6a`](https://github.com/Microsoft/TypeScript/commit/2648f6ab09e3176c7da2c07c54066d3a3433a298) Plugins in project were adding up after every config file reload ([#&#8203;51087](https://github.com/Microsoft/TypeScript/issues/51087))
-   [`c18791c`](https://github.com/Microsoft/TypeScript/commit/c18791ccf165672df3b55f5bdd4a8655f33be26c) Fix incorrect options type to WatchOptions ([#&#8203;51064](https://github.com/Microsoft/TypeScript/issues/51064))
-   [`b0795e9`](https://github.com/Microsoft/TypeScript/commit/b0795e9c94757a8ee78077d160cde8819a9801ea) Update package-lock.json
-   [`43c6fd4`](https://github.com/Microsoft/TypeScript/commit/43c6fd4c09464204bc6a6e1c6c1d32fa12270414) Covert some of the config testing to baselines for easy validation ([#&#8203;51063](https://github.com/Microsoft/TypeScript/issues/51063))
-   [`fc5e72b`](https://github.com/Microsoft/TypeScript/commit/fc5e72b92cb8ea13c5e0f2cfc35d8b2cbfd1fe36) Remove unused defaultWatchFileKind method since useFsEvents is default for tsserver and tsc ([#&#8203;51044](https://github.com/Microsoft/TypeScript/issues/51044))
-   [`8af9a93`](https://github.com/Microsoft/TypeScript/commit/8af9a936b5240398370887c22cacaff65fee707b) Use typescript.d.ts in APISample tests ([#&#8203;51061](https://github.com/Microsoft/TypeScript/issues/51061))
-   [`4953316`](https://github.com/Microsoft/TypeScript/commit/49533168dbb4e19f243b9dbdfd6a3aac69f5b3dd) Remove configureLanguageServiceBuild, instrumenter ([#&#8203;51048](https://github.com/Microsoft/TypeScript/issues/51048))
-   [`9dfffd0`](https://github.com/Microsoft/TypeScript/commit/9dfffd0fbb406d7f2e5e2ca85768624ca388a7bf) Update GitHub Actions ([#&#8203;51045](https://github.com/Microsoft/TypeScript/issues/51045))
-   [`4635a5c`](https://github.com/Microsoft/TypeScript/commit/4635a5cef9aefa9aa847ef7ce2e6767ddf4f54c2) Update package-lock.json
-   [`33a34e5`](https://github.com/Microsoft/TypeScript/commit/33a34e5b96bfe086266f4765ab9789a2a02507f9) Adding a JSDoc comment to the es5 type declarations to describe the functionality of Date.now() ([#&#8203;50630](https://github.com/Microsoft/TypeScript/issues/50630))
-   [`299745c`](https://github.com/Microsoft/TypeScript/commit/299745cb217c2fc061f75b3735f8420d78b8360a) Fix crash in goto-def on `@override` ([#&#8203;51016](https://github.com/Microsoft/TypeScript/issues/51016))
-   [`7dcf11f`](https://github.com/Microsoft/TypeScript/commit/7dcf11f13985be927886ebea353d282a9b3418e0) fix(50750): Object type literal with string literal property in contextual typing position causes language service error on all literal type references ([#&#8203;50757](https://github.com/Microsoft/TypeScript/issues/50757))
-   [`5cd49f6`](https://github.com/Microsoft/TypeScript/commit/5cd49f6cbcd2effe9d425dee3a39cb49209bb656) Update package-lock.json
-   [`8a1b858`](https://github.com/Microsoft/TypeScript/commit/8a1b85880f89c9cff606c5844e8883e5f483c7db) Update package-lock.json
-   [`96894db`](https://github.com/Microsoft/TypeScript/commit/96894db6cb5b7af6857b4d0c7f70f7d8ac782d51) Include type parameter defaults in contextual typing ([#&#8203;50994](https://github.com/Microsoft/TypeScript/issues/50994)) \[ [#&#8203;51002](https://github.com/Microsoft/TypeScript/issues/51002) ]
-   [`0d0a793`](https://github.com/Microsoft/TypeScript/commit/0d0a79371471d627ae298a145f8009b05cbccb72) Allow Unicode extended escapes in ES5 and earlier ([#&#8203;50918](https://github.com/Microsoft/TypeScript/issues/50918))
-   [`58bae8d`](https://github.com/Microsoft/TypeScript/commit/58bae8db69b275a3efa57b14b486778c55185552) Update package-lock.json
-   [`0ce72ef`](https://github.com/Microsoft/TypeScript/commit/0ce72ef6c8b39cd2d07e5b0eb3a0c144a7783ad2) Add option to OrganizeImports for removal only ([#&#8203;50931](https://github.com/Microsoft/TypeScript/issues/50931))
-   [`42f9143`](https://github.com/Microsoft/TypeScript/commit/42f9143e114c5c07f40df83ed07ffeb3cbaf2101) feat: codefix for `for await of` ([#&#8203;50623](https://github.com/Microsoft/TypeScript/issues/50623))
-   [`ecf50e8`](https://github.com/Microsoft/TypeScript/commit/ecf50e81a7a9cccd9bf5ea7598764082981faab0) Properly compute `SymbolFlags.Optional` for intersected properties ([#&#8203;50958](https://github.com/Microsoft/TypeScript/issues/50958))
-   [`d1586de`](https://github.com/Microsoft/TypeScript/commit/d1586de0434567b998876929eb8229235b85b350) Fully resolve aliases when checking symbol flags ([#&#8203;50853](https://github.com/Microsoft/TypeScript/issues/50853))
-   [`45148dd`](https://github.com/Microsoft/TypeScript/commit/45148dd715a7c3776840778b4df41e7e0bd0bf12) Update LKG to 4.8.4 ([#&#8203;50987](https://github.com/Microsoft/TypeScript/issues/50987))
-   [`9a83f25`](https://github.com/Microsoft/TypeScript/commit/9a83f2551ded0d88a0ba0ec9af260f83eb3568cd) Update package-lock.json
-   [`865848f`](https://github.com/Microsoft/TypeScript/commit/865848fcfb9e6ce7dd64be563fc09f83d4bc9df5) Fix `<=` and `>` comparisons when compared against prerelease versions ([#&#8203;50915](https://github.com/Microsoft/TypeScript/issues/50915))
-   [`fbfe934`](https://github.com/Microsoft/TypeScript/commit/fbfe9340a90777dee03b30f736fab44056123be0) Fix comparability between type parameters related by a union constraint ([#&#8203;50978](https://github.com/Microsoft/TypeScript/issues/50978))
-   [`b09e93d`](https://github.com/Microsoft/TypeScript/commit/b09e93d3f6d3e999df001b53984954974c25b81f) Merge pull request [#&#8203;50041](https://github.com/Microsoft/TypeScript/issues/50041) from microsoft/fix/47969
-   [`0ac12bb`](https://github.com/Microsoft/TypeScript/commit/0ac12bbe7a410238ca992a42f41816a97f6906f4) Update package-lock.json
-   [`8192d55`](https://github.com/Microsoft/TypeScript/commit/8192d550496d884263e292488e325ae96893dc78) Pick correct compilerOptions when checking if we can share emitSignatures ([#&#8203;50910](https://github.com/Microsoft/TypeScript/issues/50910)) \[ [#&#8203;50902](https://github.com/Microsoft/TypeScript/issues/50902) ]
-   [`16faef1`](https://github.com/Microsoft/TypeScript/commit/16faef1d8d522b66b6c672bdd15b4026e2018a62) During uptodate ness check with buildInfo, check if there are errors explicitly with noEmit ([#&#8203;50974](https://github.com/Microsoft/TypeScript/issues/50974)) \[ [#&#8203;50959](https://github.com/Microsoft/TypeScript/issues/50959) ]
-   [`63791f5`](https://github.com/Microsoft/TypeScript/commit/63791f52d4e7a3bf461b974e94abd8cbb6b546c5) Update package-lock.json
-   [`09368bc`](https://github.com/Microsoft/TypeScript/commit/09368bcbaebd157d1e66859ab6f5b30c2fd6eaff) Handle if project for open file will get recollected because of pending cleanup from closed script info ([#&#8203;50908](https://github.com/Microsoft/TypeScript/issues/50908)) \[ [#&#8203;50868](https://github.com/Microsoft/TypeScript/issues/50868) ]
-   [`c81bf4d`](https://github.com/Microsoft/TypeScript/commit/c81bf4d8b0c12410a082d6598fcc24cc721b6e9e) fix(49594): Typescript 4.7.3 bracketed class property compilation error strictPropertyInitialization:true ([#&#8203;49619](https://github.com/Microsoft/TypeScript/issues/49619))
-   [`bc9cbbe`](https://github.com/Microsoft/TypeScript/commit/bc9cbbef421ae907f7dfd5a84ca69c4f68a8935b) Merge pull request [#&#8203;49912](https://github.com/Microsoft/TypeScript/issues/49912) from microsoft/fix/47508
-   [`5a10f46`](https://github.com/Microsoft/TypeScript/commit/5a10f46c0028790120cb85c826efa4248707a964) Update package-lock.json
-   [`8e71f42`](https://github.com/Microsoft/TypeScript/commit/8e71f429c811ac7811533d7b0e02c32bad5a1b47) Fixing pr comments
-   [`c100c64`](https://github.com/Microsoft/TypeScript/commit/c100c6488db0482dcc1455290f456dece91cac0a) Update package-lock.json
-   [`2a91107`](https://github.com/Microsoft/TypeScript/commit/2a91107f7548eeb5e32673e76277d27264ea88e2) Update package-lock.json
-   [`4ab9e76`](https://github.com/Microsoft/TypeScript/commit/4ab9e76fb748b08712f9d0017dd8f0ba74d1859f) Use paths in package.json 'files' array that work with npm 6 and later. ([#&#8203;50930](https://github.com/Microsoft/TypeScript/issues/50930))
-   [`549b542`](https://github.com/Microsoft/TypeScript/commit/549b5429d4837344e8c99657109bb6538fd2dbb5) Use paths in package.json 'files' array that work with npm 6 and later.
-   [`7f37d25`](https://github.com/Microsoft/TypeScript/commit/7f37d251fc69da34659e4c60792177e1e9a8e7a6) Update version to 4.9.1-beta and LKG.
-   [`f16ca7d`](https://github.com/Microsoft/TypeScript/commit/f16ca7dd364e57ee7ce337f987b20dbc1e34941f) Remove 'async' dependency, used only in errorCheck.ts, modernize file ([#&#8203;50667](https://github.com/Microsoft/TypeScript/issues/50667))
-   [`c6bef3f`](https://github.com/Microsoft/TypeScript/commit/c6bef3f02874bddf6df120aa4f0d130c58478468) LEGO: Merge pull request 50921
-   [`6753027`](https://github.com/Microsoft/TypeScript/commit/675302730b8ca525d47c910bf2d3174bd3b66a1b) Update package-lock.json
-   [`9740bcc`](https://github.com/Microsoft/TypeScript/commit/9740bcc53418e8792a4dbb978059ff5a02b55c91) Pluralized `hasInvalidatedResolution` -> `hasInvalidatedResolutions` ([#&#8203;50912](https://github.com/Microsoft/TypeScript/issues/50912))
-   [`84c29cd`](https://github.com/Microsoft/TypeScript/commit/84c29cd576fd1facb9b3a353d5342df04acdb184) 馃 Pick PR [#&#8203;50912](https://github.com/Microsoft/TypeScript/issues/50912) (Pluralized \`hasInvalidatedResolutio...) into release-4.9 ([#&#8203;50913](https://github.com/Microsoft/TypeScript/issues/50913))
-   [`a26f634`](https://github.com/Microsoft/TypeScript/commit/a26f63424de249bb106804dfc9a024bb525de93e) Merge remote-tracking branch 'origin/main' into release-4.9
-   [`a455955`](https://github.com/Microsoft/TypeScript/commit/a455955aac85ecc5b2182fe50b83670188955feb) Make hasInvalidatedResolution non internal for program and add it watchApi ([#&#8203;50776](https://github.com/Microsoft/TypeScript/issues/50776)) \[ [#&#8203;48057](https://github.com/Microsoft/TypeScript/issues/48057) ]
-   [`645d1cd`](https://github.com/Microsoft/TypeScript/commit/645d1cd7c1ee1d65a87b2183b173611467256a09) Fix assert in addIndirectUser in FAR ([#&#8203;50905](https://github.com/Microsoft/TypeScript/issues/50905))
-   [`bbec17d`](https://github.com/Microsoft/TypeScript/commit/bbec17d9003246fa00d6bf676bb4ce7c54ff2be4) LEGO: Merge pull request 50900
-   [`a9ecc67`](https://github.com/Microsoft/TypeScript/commit/a9ecc675d636c3bbca697bc4881b019e8645a7a6) Update package-lock.json
-   [`221cf55`](https://github.com/Microsoft/TypeScript/commit/221cf55a21e448bd3fe2cf26a754c9c0dda3dca3) package.json `exports` should have priority over `typesVersions` ([#&#8203;50890](https://github.com/Microsoft/TypeScript/issues/50890))
-   [`acb8977`](https://github.com/Microsoft/TypeScript/commit/acb89771901f8c81c6046fa7c16361a83388ddab) Remove .github/tsc.json ([#&#8203;50664](https://github.com/Microsoft/TypeScript/issues/50664))
-   [`7a3de81`](https://github.com/Microsoft/TypeScript/commit/7a3de819bfb93fb27ef7ea8305d2df069866c380) fix(49993): skip the quick fix for an expression with an enum type ([#&#8203;50625](https://github.com/Microsoft/TypeScript/issues/50625))
-   [`2644f28`](https://github.com/Microsoft/TypeScript/commit/2644f2867734d77a3a3939c55d5cc0a5004df0ed) fix(49200): skip duplicated method declarations ([#&#8203;50609](https://github.com/Microsoft/TypeScript/issues/50609))
-   [`98652a3`](https://github.com/Microsoft/TypeScript/commit/98652a349a67be718e8e8b5fcf590972eb62a104) Bump version to 4.9.0-beta and LKG.
-   [`4d91204`](https://github.com/Microsoft/TypeScript/commit/4d91204c9d9f27756785f62fade44d93824d47f4) fix(37030): Expand Selection in function and arrow function skips body block ([#&#8203;50711](https://github.com/Microsoft/TypeScript/issues/50711))
-   [`e2dd508`](https://github.com/Microsoft/TypeScript/commit/e2dd5084f75ac37a78102d212b67d36595596137) DOM update 2022/09/21 ([#&#8203;50884](https://github.com/Microsoft/TypeScript/issues/50884))
-   [`1d9ab83`](https://github.com/Microsoft/TypeScript/commit/1d9ab83914a551936ce5ef80340ee65cfd1422ba) fix(50866): emit modifiers from export declarations ([#&#8203;50874](https://github.com/Microsoft/TypeScript/issues/50874))
-   [`92a1b12`](https://github.com/Microsoft/TypeScript/commit/92a1b124c178e1ff4871b29cb9abc00307e21742) LEGO: Merge pull request 50877
-   [`e383db6`](https://github.com/Microsoft/TypeScript/commit/e383db692eb44561333c1bbe353788b337aebc99) Fix debug.ts \__debugKind check ([#&#8203;50871](https://github.com/Microsoft/TypeScript/issues/50871))
-   [`01054e0`](https://github.com/Microsoft/TypeScript/commit/01054e05ab7638e96515619c4ce62200fdf4e0fd) Consistently add undefined/missing to optional tuple element types ([#&#8203;50831](https://github.com/Microsoft/TypeScript/issues/50831))
-   [`d90795e`](https://github.com/Microsoft/TypeScript/commit/d90795e799ca8e41aabd6d0852abb585138200ef) Improve escape sequence handling in private names ([#&#8203;50856](https://github.com/Microsoft/TypeScript/issues/50856))
-   [`938a69a`](https://github.com/Microsoft/TypeScript/commit/938a69a526166ca4e7880fa140fba432936f0fe3) Fix import statement completions followed by interface declaration ([#&#8203;50350](https://github.com/Microsoft/TypeScript/issues/50350))
-   [`e002159`](https://github.com/Microsoft/TypeScript/commit/e002159ad133a024bae48a2e190e54ad93f6b52d) feat(49962): Disallow comparison against NaN  ([#&#8203;50626](https://github.com/Microsoft/TypeScript/issues/50626))
-   [`80ae43d`](https://github.com/Microsoft/TypeScript/commit/80ae43d2399503a04651e3705823137d36148b00) Fixing spaces
-   [`abc58bd`](https://github.com/Microsoft/TypeScript/commit/abc58bdabcf536bd5204fbc84fb7f45d75f1a9ad) Fixing baseline errors
-   [`305f4bd`](https://github.com/Microsoft/TypeScript/commit/305f4bd420bf9edc0239fd3a740aa83fbdeb9ba2) Merge branch 'main' into fix/47969
-   [`23746af`](https://github.com/Microsoft/TypeScript/commit/23746af766b53fcc3afecfa16478809a5a36628a) fix(50591): RangeError: Maximum call stack size exceeded ([#&#8203;50594](https://github.com/Microsoft/TypeScript/issues/50594))
-   [`168186f`](https://github.com/Microsoft/TypeScript/commit/168186f93d23ae59dbea3fea2adba453527343fd) Allow a union property of a private/protected member and an intersection property including that same member ([#&#8203;50328](https://github.com/Microsoft/TypeScript/issues/50328))
-   [`812ebcf`](https://github.com/Microsoft/TypeScript/commit/812ebcf6e3aebfa72b976a6ae4d65929759a2867) Update package-lock.json
-   [`16156b1`](https://github.com/Microsoft/TypeScript/commit/16156b1baf26a39ce428423f7106f3ef2b4e98bb) Add rules from eslint's recommended set that triggered good lints ([#&#8203;50422](https://github.com/Microsoft/TypeScript/issues/50422))
-   [`a11c416`](https://github.com/Microsoft/TypeScript/commit/a11c41621bbbab100a391dd348651c6661549663) Improve checking of `in` operator ([#&#8203;50666](https://github.com/Microsoft/TypeScript/issues/50666))
-   [`67f2b62`](https://github.com/Microsoft/TypeScript/commit/67f2b62ed2bd1de0299781ba659fa638346bcecf) Gabritto/jsemitfixsilly ([#&#8203;50849](https://github.com/Microsoft/TypeScript/issues/50849))
-   [`3014dec`](https://github.com/Microsoft/TypeScript/commit/3014dec8878a9ff8d86186a6ac3fd9fad4f3b739) Don't elide imports when transforming JS files ([#&#8203;50404](https://github.com/Microsoft/TypeScript/issues/50404))
-   [`57c7aa7`](https://github.com/Microsoft/TypeScript/commit/57c7aa755ca3028ff13eb6a37d91775a6fac71e3) LEGO: Merge pull request 50842
-   [`48a8e89`](https://github.com/Microsoft/TypeScript/commit/48a8e8953a1e609970dc85e08f99ac499bfe8356) Improve check of whether type query node possibly contains reference to type parameter ([#&#8203;50070](https://github.com/Microsoft/TypeScript/issues/50070))
-   [`af9ced1`](https://github.com/Microsoft/TypeScript/commit/af9ced11f50c8ac15079d2f88f8961f1e5b62f7f) LEGO: Merge pull request 50825
-   [`a8e13f7`](https://github.com/Microsoft/TypeScript/commit/a8e13f7340c5229426072d443fa511bba82a0054) Fixed an issue with destructured bindings from a generic union constraint not being narrowed correctly ([#&#8203;50221](https://github.com/Microsoft/TypeScript/issues/50221))
-   [`08af0b6`](https://github.com/Microsoft/TypeScript/commit/08af0b6bf0041fef52ca8c1b69d6d4a3db439196) Update package-lock.json
-   [`0df46e8`](https://github.com/Microsoft/TypeScript/commit/0df46e873322b8eeb271a442eaf034d91ae68770) Fix test around RegExp match vs. exec results ([#&#8203;50813](https://github.com/Microsoft/TypeScript/issues/50813))
-   [`906510e`](https://github.com/Microsoft/TypeScript/commit/906510e0f30590a4c8fdc892905ccb8dbe512e3d) Fixes for pr
-   [`2970c5d`](https://github.com/Microsoft/TypeScript/commit/2970c5d1671b2376711cd55594c4597d6da7d8c3) make `RegExpExecArray` always include index 0 ([#&#8203;50713](https://github.com/Microsoft/TypeScript/issues/50713))
-   [`0507192`](https://github.com/Microsoft/TypeScript/commit/05071920a03f8ea530fe01f79f2537c999ec8b02) Accepting baselines
-   [`29e50b3`](https://github.com/Microsoft/TypeScript/commit/29e50b314900d22b08f6472918f59ae2b40aba08) Rewording documentation
-   [`01cae69`](https://github.com/Microsoft/TypeScript/commit/01cae69e3403a831bc5c752b95c8b7547dd95821) fix(50796): omit questionToken in object literal method completions ([#&#8203;50802](https://github.com/Microsoft/TypeScript/issues/50802))
-   [`3b84f76`](https://github.com/Microsoft/TypeScript/commit/3b84f76fb23bd39d14c7243e5cd495fd207916c0) Fix crash caused by incorrect bounds check (regression in 4.8) ([#&#8203;50797](https://github.com/Microsoft/TypeScript/issues/50797))
-   [`7e51306`](https://github.com/Microsoft/TypeScript/commit/7e51306d30b72ce474054c3f3047f57d90dca41a) Update package-lock.json
-   [`8b35c13`](https://github.com/Microsoft/TypeScript/commit/8b35c1300e14ebc026b4f1621db8f6f1bba30833) The error "Object is possibly null or undefined" is ambiguous. ([#&#8203;49797](https://github.com/Microsoft/TypeScript/issues/49797))
-   [`a3f51b3`](https://github.com/Microsoft/TypeScript/commit/a3f51b3b8278b7dc5f59d83f35458338f57c81c7) Update user baselines +cc [@&#8203;sandersn](https://github.com/sandersn) ([#&#8203;43554](https://github.com/Microsoft/TypeScript/issues/43554))
-   [`ba10a0d`](https://github.com/Microsoft/TypeScript/commit/ba10a0d7c06df259e620645a8d6fd9a5262d8b5d) Removing duplicated code
-   [`ec6ae1c`](https://github.com/Microsoft/TypeScript/commit/ec6ae1c4d0f48f15cd01b1502d0b2e5ac387dcf5) Partially revert [#&#8203;41044](https://github.com/Microsoft/TypeScript/issues/41044), restoring parameter destructurings in d.ts files ([#&#8203;50779](https://github.com/Microsoft/TypeScript/issues/50779))
-   [`28232ca`](https://github.com/Microsoft/TypeScript/commit/28232ca4b8833957cdf8d592f085fb80d97ef604) LEGO: Merge pull request 50783
-   [`49cfa1d`](https://github.com/Microsoft/TypeScript/commit/49cfa1db17b593191601736a11cbf165d42510a0) Update package-lock.json
-   [`4110b80`](https://github.com/Microsoft/TypeScript/commit/4110b80fbb24f2ac6dd284ef3511ca69ac6db517) Fix equality narrowing and comparable relation for intersections with {} ([#&#8203;50735](https://github.com/Microsoft/TypeScript/issues/50735))
-   [`b23f1d6`](https://github.com/Microsoft/TypeScript/commit/b23f1d6b59beabde1072d14b7fb65781ce209c15) LEGO: Merge pull request 50771
-   [`618fb2d`](https://github.com/Microsoft/TypeScript/commit/618fb2d8b92357d564ddb8596296ecaba5468002) Update package-lock.json
-   [`08b91f6`](https://github.com/Microsoft/TypeScript/commit/08b91f6b827e9ee98407c0eb969579ab77fa9f0c) fix(50717): tsc crashes when it sees a JSDoc tag inside an [@&#8203;override](https://github.com/override) annotation ([#&#8203;50724](https://github.com/Microsoft/TypeScript/issues/50724))
-   [`60963d7`](https://github.com/Microsoft/TypeScript/commit/60963d7216266bca6ef3236f43913de703fe5c7a) Discriminant of type `never` should never be matched ([#&#8203;50755](https://github.com/Microsoft/TypeScript/issues/50755))
-   [`e37ea53`](https://github.com/Microsoft/TypeScript/commit/e37ea53715a725dd13699dc1be5190c6ebd0d8f8) Update package-lock.json
-   [`a88c366`](https://github.com/Microsoft/TypeScript/commit/a88c36655b575d3039f187e64016b971efc0f173) Fix test baselining for tsserver host timeouts ([#&#8203;50748](https://github.com/Microsoft/TypeScript/issues/50748))
-   [`6d38487`](https://github.com/Microsoft/TypeScript/commit/6d384876e5adeffd6e04cf4e6dd7ea5fc0dd0584) Fix workflow typo ([#&#8203;50746](https://github.com/Microsoft/TypeScript/issues/50746))
-   [`6b890f9`](https://github.com/Microsoft/TypeScript/commit/6b890f93c491d3496dfd7909592c1df8a771fcd0) Handle more places where package direcroy is converted to canonical file path ([#&#8203;50740](https://github.com/Microsoft/TypeScript/issues/50740))
-   [`f5f2923`](https://github.com/Microsoft/TypeScript/commit/f5f2923c7d0f0963a78b9c5f233b635d4e78ae91) Revert removal of nonInferrableAnyType ([#&#8203;50691](https://github.com/Microsoft/TypeScript/issues/50691))
-   [`7120b52`](https://github.com/Microsoft/TypeScript/commit/7120b520cfe7b92d2b4bbfd679f1f5bd0c559c2c) Update twoslash workflow ([#&#8203;50738](https://github.com/Microsoft/TypeScript/issues/50738))
-   [`68d526c`](https://github.com/Microsoft/TypeScript/commit/68d526c200a0a5c51024586890b2473c9819c6ea) Don't run linter after tests runs ([#&#8203;50597](https://github.com/Microsoft/TypeScript/issues/50597))
-   [`8e5e2e0`](https://github.com/Microsoft/TypeScript/commit/8e5e2e08ead119910d6eb177eab9beb84e3ab311) Fix backticks in our JSDoc comments ([#&#8203;50737](https://github.com/Microsoft/TypeScript/issues/50737))
-   [`a4cabe7`](https://github.com/Microsoft/TypeScript/commit/a4cabe725b413f154f738b48c1fe2f053cff7d26) Support for auto-accessor fields from the Stage 3 Decorators proposal ([#&#8203;49705](https://github.com/Microsoft/TypeScript/issues/49705))
-   [`7737473`](https://github.com/Microsoft/TypeScript/commit/77374732df82c9d5c1319677dc595868bbc648b5) Update package-lock.json
-   [`12ab0fe`](https://github.com/Microsoft/TypeScript/commit/12ab0fea9f45c48ea644c8273bedde235c8bcc61) Update package-lock.json
-   [`eb40134`](https://github.com/Microsoft/TypeScript/commit/eb40134373cc524bd15432e15490d4e369754c50) Don't leave space for property access on non-integer literals ([#&#8203;50703](https://github.com/Microsoft/TypeScript/issues/50703))
-   [`a70bb9d`](https://github.com/Microsoft/TypeScript/commit/a70bb9d3ff102e044e83d2db43e585105e9a1761) Preserve special intersections in mapped types ([#&#8203;50704](https://github.com/Microsoft/TypeScript/issues/50704))
-   [`1a1c271`](https://github.com/Microsoft/TypeScript/commit/1a1c27167536e005a4d241ef84c43c0c0ca0aaf9) Don't remove space before dot if in property access on numeric literal ([#&#8203;50695](https://github.com/Microsoft/TypeScript/issues/50695))
-   [`7c918fb`](https://github.com/Microsoft/TypeScript/commit/7c918fb76682e79e8fd460cf1c2da9f2f22c91a3) Baseline host state when baselining tsserver tests ([#&#8203;50678](https://github.com/Microsoft/TypeScript/issues/50678))
-   [`2f1ba45`](https://github.com/Microsoft/TypeScript/commit/2f1ba45cbaca5e95959f9fd43c42edd64bc5638c) Update LKG and devDep of typescript to v4.8.3 ([#&#8203;50689](https://github.com/Microsoft/TypeScript/issues/50689))
-   [`be4e9ba`](https://github.com/Microsoft/TypeScript/commit/be4e9bac8ff66174d4e856dae06f69aa4ef7e479) Update package-lock.json
-   [`f46a680`](https://github.com/Microsoft/TypeScript/commit/f46a680863d7ecf7b7aa46b5e056acfe702b78bb) Remove error message in node16 ([#&#8203;50673](https://github.com/Microsoft/TypeScript/issues/50673))
-   [`ab831d0`](https://github.com/Microsoft/TypeScript/commit/ab831d018030304b886590fc4253f9dab593ddb0) Ignore `--help` and `-?` in `tsc init` generated `compilerOptions` ([#&#8203;50628](https://github.com/Microsoft/TypeScript/issues/50628))
-   [`bb6f36f`](https://github.com/Microsoft/TypeScript/commit/bb6f36f7c80c290b98759823445dae73ebfd3eb2) Forward intersection state flag to conditional type target check ([#&#8203;50620](https://github.com/Microsoft/TypeScript/issues/50620))
-   [`b58721f`](https://github.com/Microsoft/TypeScript/commit/b58721fe15a9d58aa9c2b53b6e6fdb7966f56d2c) Update package-lock.json
-   [`3c3820b`](https://github.com/Microsoft/TypeScript/commit/3c3820b1a4033de90a6f9369b3e714ba58231e99) Simplify CI detection ([#&#8203;50661](https://github.com/Microsoft/TypeScript/issues/50661))
-   [`9ac1fce`](https://github.com/Microsoft/TypeScript/commit/9ac1fce1175964f71117f6574d96eda127282bf4) Fix eslint not looking at certain scripts, fix lints ([#&#8203;50660](https://github.com/Microsoft/TypeScript/issues/50660))
-   [`fd05c0c`](https://github.com/Microsoft/TypeScript/commit/fd05c0cc6da676c5b9183ad2a7ced7ce363b855a) Make useFsEvents as default strategy for the watching ([#&#8203;50366](https://github.com/Microsoft/TypeScript/issues/50366))
-   [`5c2f770`](https://github.com/Microsoft/TypeScript/commit/5c2f770d9714276567e6ef9ec805368756539725) Remove unused cancellation from build ([#&#8203;50658](https://github.com/Microsoft/TypeScript/issues/50658))
-   [`66fbf05`](https://github.com/Microsoft/TypeScript/commit/66fbf058ece7882f2a964aeeda81bc352e4a6329) Update package-lock.json
-   [`7910c50`](https://github.com/Microsoft/TypeScript/commit/7910c509c4545517489d6264571bb6c05248fb4a) Update package-lock.json
-   [`fd3a84c`](https://github.com/Microsoft/TypeScript/commit/fd3a84c3f0c80cb201c47399a055625f919a9b91) Report every instance of TS1208 ([#&#8203;50101](https://github.com/Microsoft/TypeScript/issues/50101))
-   [`62f980a`](https://github.com/Microsoft/TypeScript/commit/62f980aff82ac8b5939bc9b65cf6e55d122b42d9) Check if its same buildinfo only for directly referenced projects and not recursively ([#&#8203;50617](https://github.com/Microsoft/TypeScript/issues/50617)) \[ [#&#8203;50545](https://github.com/Microsoft/TypeScript/issues/50545) ]
-   [`856c7c5`](https://github.com/Microsoft/TypeScript/commit/856c7c5fdd25833dbb0e1e67071200cd706eae4f) Allow `{}` to narrow in same special cases as `unknown` ([#&#8203;50601](https://github.com/Microsoft/TypeScript/issues/50601))
-   [`854d448`](https://github.com/Microsoft/TypeScript/commit/854d448e5ccf542a05d0b5dcb97e1b925905e258) `in` operator shouldn't narrow `{}` originating in `unknown` ([#&#8203;50610](https://github.com/Microsoft/TypeScript/issues/50610))
-   [`549e61d`](https://github.com/Microsoft/TypeScript/commit/549e61d0af1ba885be29d69f341e7d3a00686071) Update package-lock.json
-   [`bcf9949`](https://github.com/Microsoft/TypeScript/commit/bcf994996ea0ddd8ca7daadd6b5fbc712eb5ce6b) fix(50079): show deprecated on JSX attributes ([#&#8203;50084](https://github.com/Microsoft/TypeScript/issues/50084))
-   [`5df09a5`](https://github.com/Microsoft/TypeScript/commit/5df09a514c99010d3126d8a9f11aa00ecbd0bd21) Use bidirectional comparability in narrowing ([#&#8203;50592](https://github.com/Microsoft/TypeScript/issues/50592))
-   [`891cdc5`](https://github.com/Microsoft/TypeScript/commit/891cdc58aa4005d7197e76ec0a48afcbc3b44ac3) Remove unused baselines ([#&#8203;50593](https://github.com/Microsoft/TypeScript/issues/50593))
-   [`6db2c88`](https://github.com/Microsoft/TypeScript/commit/6db2c882f389c95c526df0e890354205b5696a7d) {} & null and {} & undefined should always be never  ([#&#8203;50553](https://github.com/Microsoft/TypeScript/issues/50553))
-   [`238c341`](https://github.com/Microsoft/TypeScript/commit/238c341701439a95d5eb71a4cf421c0574d0ee47) Defer distributing index over generic object types ([#&#8203;50540](https://github.com/Microsoft/TypeScript/issues/50540))
-   [`2983092`](https://github.com/Microsoft/TypeScript/commit/298309271bc526b9753c10c1c916bfe9d5c89a8b) Do not canonicalize the file names when getting absolute paths during nodenext resolution ([#&#8203;50557](https://github.com/Microsoft/TypeScript/issues/50557)) \[ [#&#8203;50544](https://github.com/Microsoft/TypeScript/issues/50544) ]
-   [`dcade77`](https://github.com/Microsoft/TypeScript/commit/dcade7732c142abba88eecae78c115fa37b95e01) Update package-lock.json
-   [`a9797d2`](https://github.com/Microsoft/TypeScript/commit/a9797d218d34fefc61b823d0e1dd24f6eb5363c8) fix(50340): typeof ... === "undefined" check on discriminated union of undefined and object type doesn't narrow correctly ([#&#8203;50344](https://github.com/Microsoft/TypeScript/issues/50344))
-   [`43f8ae6`](https://github.com/Microsoft/TypeScript/commit/43f8ae6df4ffefb7e4795808b94bcfbf74628682) Only normalize intersections that include {} ([#&#8203;50535](https://github.com/Microsoft/TypeScript/issues/50535))
-   [`d293e72`](https://github.com/Microsoft/TypeScript/commit/d293e723a20cdba258238397097e9a4e409bc41f) Rename API to importPlugin ([#&#8203;50554](https://github.com/Microsoft/TypeScript/issues/50554))
-   [`cd312d3`](https://github.com/Microsoft/TypeScript/commit/cd312d3076c054cdf9ed6f33c2d3e3995bca92eb) Managing control flow
-   [`19defbf`](https://github.com/Microsoft/TypeScript/commit/19defbfe576f3f2da32b5372274e4664b66ec00d) Update package-lock.json
-   [`f071d30`](https://github.com/Microsoft/TypeScript/commit/f071d303c182c2a776da1471a3ec9ef05297a9d8) Move contributing related info out of README to CONTRIBUTING ([#&#8203;50543](https://github.com/Microsoft/TypeScript/issues/50543))
-   [`488d0ee`](https://github.com/Microsoft/TypeScript/commit/488d0eebd0556fcc6e5f4cfc69c2ef7e5c2708ed) Retain name and propertyName in declaration emit copies of binding patterns if property name is a keyword ([#&#8203;50537](https://github.com/Microsoft/TypeScript/issues/50537))
-   [`8b482b5`](https://github.com/Microsoft/TypeScript/commit/8b482b513d87c6fcda8ece18b99f8a01cff5c605) Update package-lock.json
-   [`c89f355`](https://github.com/Microsoft/TypeScript/commit/c89f355a41b18c96eccb67dade04fce8c330068b) Remove redundant pretest script ([#&#8203;50518](https://github.com/Microsoft/TypeScript/issues/50518))
-   [`6d170b4`](https://github.com/Microsoft/TypeScript/commit/6d170b490d5ff5f881f6cbf8cd749e0103ee5d1f) Handle intersections in isGenericTypeWithoutNullableConstraint ([#&#8203;50497](https://github.com/Microsoft/TypeScript/issues/50497))
-   [`ed6889c`](https://github.com/Microsoft/TypeScript/commit/ed6889cd5b61b9fa5156018362d867def18e281d) LEGO: Merge pull request 50506
-   [`29cbfe9`](https://github.com/Microsoft/TypeScript/commit/29cbfe9a2504cfae30bae938bdb2be6081ccc5c8) LEGO: Merge pull request 50493
-   [`6faa291`](https://github.com/Microsoft/TypeScript/commit/6faa291b453987192d996517b4376b14980b25c4) LEGO: Merge pull request 50484
-   [`71b2ba6`](https://github.com/Microsoft/TypeScript/commit/71b2ba6111e934f2b4ee112bc4d8d2f47ced22f5) Reuse computed type of condition expressions ([#&#8203;49881](https://github.com/Microsoft/TypeScript/issues/49881))
-   [`8778c1d`](https://github.com/Microsoft/TypeScript/commit/8778c1ded3a1955dce1063d72caf4523bec37c90) Update package-lock.json
-   [`4579245`](https://github.com/Microsoft/TypeScript/commit/4579245f36d9c3deccb097da9d5545f9c5c1ab26) fix(50427): allow convert function expressions ([#&#8203;50430](https://github.com/Microsoft/TypeScript/issues/50430))
-   [`cbc0b17`](https://github.com/Microsoft/TypeScript/commit/cbc0b17eac1fcb011a66f0544c813968cdf065c4) Push package-lock.json updates via typescript-bot token ([#&#8203;50476](https://github.com/Microsoft/TypeScript/issues/50476))
-   [`bb3a7ae`](https://github.com/Microsoft/TypeScript/commit/bb3a7aec11a20afb30c5098a75e001d1a4eb08f9) fix(50415): Language server debug failure - Did not expect GetAccessor to have an Identifier in its trivia ([#&#8203;50470](https://github.com/Microsoft/TypeScript/issues/50470))
-   [`3557092`](https://github.com/Microsoft/TypeScript/commit/3557092b1474bc3405a29da93bd15c108ab2f8b3) Rephrase error message to be 100% technically correct ([#&#8203;50471](https://github.com/Microsoft/TypeScript/issues/50471))
-   [`71d1911`](https://github.com/Microsoft/TypeScript/commit/71d19115031ae1c48fa34a24636dfae5e87e1b08) add unknown to DateTimeFormatTypes ([#&#8203;50402](https://github.com/Microsoft/TypeScript/issues/50402))
-   [`8f89599`](https://github.com/Microsoft/TypeScript/commit/8f895997d2cb79deb937d50fa1bed1c470528025) Don't include .gitattributes in package ([#&#8203;50475](https://github.com/Microsoft/TypeScript/issues/50475))
-   [`6e8337e`](https://github.com/Microsoft/TypeScript/commit/6e8337ef70e4a36a4df76a3362a41cbcac0dcb84) Optimize substitution types ([#&#8203;50397](https://github.com/Microsoft/TypeScript/issues/50397))
-   [`226dd0b`](https://github.com/Microsoft/TypeScript/commit/226dd0b7bf5cb5e5bb4dc34ab0e8e14f408f3e20) Fix typechecking related lints that changed post 4.8, update LKG to 4.8.2 ([#&#8203;50472](https://github.com/Microsoft/TypeScript/issues/50472))
-   [`164dddc`](https://github.com/Microsoft/TypeScript/commit/164dddc48e1eaa83780b8e72bc7afeebe768437b) feat(7481): Operator to ensure an expression is contextually typed by, and satisfies, some type ([#&#8203;46827](https://github.com/Microsoft/TypeScript/issues/46827))
-   [`0715791`](https://github.com/Microsoft/TypeScript/commit/07157914eb26a6e9abdcda7255c4094c9efff4cd) Update package-lock.json
-   [`e675ea8`](https://github.com/Microsoft/TypeScript/commit/e675ea8dd83aaed018a67534323305c36d373b40) Remove AUTHORS.md, .mailmap, authors.ts script ([#&#8203;50410](https://github.com/Microsoft/TypeScript/issues/50410))
-   [`38076df`](https://github.com/Microsoft/TypeScript/commit/38076df3465af555051db06006bbf30323af0e2d) Fix auto import crash due to difference in `paths` handling ([#&#8203;50419](https://github.com/Microsoft/TypeScript/issues/50419))
-   [`12eb519`](https://github.com/Microsoft/TypeScript/commit/12eb519b3f81d0999bbc4ce9a845744f4dfc215e) fix(50435): Duplicate seeming Code Actions for convert const to let ([#&#8203;50442](https://github.com/Microsoft/TypeScript/issues/50442))
-   [`a08b045`](https://github.com/Microsoft/TypeScript/commit/a08b045d2b22c87a6341a0c1d1318271d14acc86) Jsdoc property description ([#&#8203;50269](https://github.com/Microsoft/TypeScript/issues/50269)) \[ [#&#8203;47933](https://github.com/Microsoft/TypeScript/issues/47933) ]
-   [`5ba22e0`](https://github.com/Microsoft/TypeScript/commit/5ba22e05a96538498a78ab206e1b9892f420e7a1) Remove top level loc folder ([#&#8203;50421](https://github.com/Microsoft/TypeScript/issues/50421))
-   [`c4eb37c`](https://github.com/Microsoft/TypeScript/commit/c4eb37c8a0d5915d64e3992a91a34724aab19fe6) Update package-lock.json
-   [`8d7ad8c`](https://github.com/Microsoft/TypeScript/commit/8d7ad8c3aee4130e2b8cc6438e03e12a39cd398a) fix(50375): Errors for missing enum-named properties should attempt to preserve names ([#&#8203;50382](https://github.com/Microsoft/TypeScript/issues/50382))
-   [`fb717df`](https://github.com/Microsoft/TypeScript/commit/fb717df6bf85318c3d1e833a1dde6789d394cdb2) Discard union types before considering weak type checks on unit-like types ([#&#8203;50423](https://github.com/Microsoft/TypeScript/issues/50423))
-   [`b9a5bbc`](https://github.com/Microsoft/TypeScript/commit/b9a5bbc9afe9fa231aba5162c258bf1e2fa1e82e) Syntax operations also need to ensure project is present for the open script infos since update could be pending to make sure open script info has project ([#&#8203;50418](https://github.com/Microsoft/TypeScript/issues/50418)) \[ [#&#8203;50131](https://github.com/Microsoft/TypeScript/issues/50131) ]
-   [`1d4fbbb`](https://github.com/Microsoft/TypeScript/commit/1d4fbbb529d183b1e6988447e6744cfa7750b9f6) Update package-lock.json
-   [`44ce3cf`](https://github.com/Microsoft/TypeScript/commit/44ce3cff70cb79d1a45b48def04413db5303a151) fix(50224): Intellisense for strings within a type's Union doesn't work properly for JSX ([#&#8203;50231](https://github.com/Microsoft/TypeScript/issues/50231))
-   [`6ee5db9`](https://github.com/Microsoft/TypeScript/commit/6ee5db95c2ad4fee74ad02368afa1d2cc693407e) Use package.json files array instead of .npmignore ([#&#8203;50408](https://github.com/Microsoft/TypeScript/issues/50408))

This list of changes was [auto generated](https://typescript.visualstudio.com/cf7ac146-d525-443c-b23c-0d58337efebc/\_release?releaseId=116&\_a=release-summary).</details>

</details>

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didn't have wran message when use bad syntax
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