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TS error in `vite.config.ts` - TS2503: Cannot find namespace 'chrome'

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### Build tool Vite ### Where do you see the problem? - [ ] In the browser - [X] In the terminal ### Describe the bug when running `tsc` on...

### Before You File a Bug Report Please Confirm You Have Done The Following... - [X] I have tried restarting my IDE and the issue persists. - [X] I have...

fix first match in `RegExpMatchArray` being possibly undefined when `noUncheckedIndexedAccess` is enabled

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Fixes #42296

fix dataclass containing `Any`

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## Change Summary remove `Any` types that contributed to usages of the `dataclass` decorator causing mypy errors when using the `disallow-any-expr` rule ## Related issue number fixes #4355 ## Checklist...

### Initial Checks - [X] I have searched GitHub for a duplicate issue and I'm sure this is something new - [X] I have searched Google & StackOverflow for a...

_Description of what this PR is changing or adding, and why:_ the `userprofile` variable is defined in the registry at `HKEY_CURRENT_USER\Volatile Environment`. this change allows the user to copy and...

function call that returns `Never` incorrectly marked as unreachable when function that's defined later with multiple argument decorator is called

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sorry for the wacky title ```py from typing import TypeVar, Literal from typing_extensions import assert_never Fn = TypeVar("Fn") def foo(fn: Fn, value: bool = False) -> Fn: ... def bar(value:...

`issubclass` doesn't narrow metaclasses

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```py class FooMetaclass(type): pass class Foo(metaclass=FooMetaclass): pass fm: FooMetaclass reveal_type(fm) # note: Revealed type is "__main__.FooMetaclass" if issubclass(fm, Foo): reveal_type(fm) # note: Revealed type is "__main__.FooMetaclass" ``` https://mypy-play.net/?mypy=master&python=3.10&gist=d03a0fb47ada04cb3e352ed13fc0f58b

(😳) no error when instanciating `dict` type alias with invalid type

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```py from typing import TypeAlias Values: TypeAlias = dict[str, int] a = Values(foo="") # no error ``` [playground](https://mypy-play.net/?mypy=master&python=3.10&flags=show-error-codes%2Callow-redefinition%2Cstrict%2Ccheck-untyped-defs%2Cdisallow-any-decorated%2Cdisallow-any-expr%2Cdisallow-any-explicit%2Cdisallow-any-generics%2Cdisallow-any-unimported%2Cdisallow-incomplete-defs%2Cdisallow-subclassing-any%2Cdisallow-untyped-calls%2Cdisallow-untyped-decorators%2Cdisallow-untyped-defs%2Cno-implicit-optional%2Cno-implicit-reexport%2Cstrict-equality%2Cwarn-incomplete-stub%2Cwarn-redundant-casts%2Cwarn-return-any%2Cwarn-unreachable%2Cwarn-unused-configs%2Cwarn-unused-ignores&gist=fd24a0eecec6a636f274f4182b51c640)

no error when implementation of abstract property isn't a property

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```py from abc import ABC, abstractmethod class A(ABC): @property @abstractmethod def foo(self) -> str: ... class B(A): def foo(self) -> str: return "asdf" def get_foo(a: A) -> str: return a.foo...