diff --git a/stdlib/_ast.pyi b/stdlib/_ast.pyi
index 00c6b357f7d8..d8d5a1829991 100644
--- a/stdlib/_ast.pyi
+++ b/stdlib/_ast.pyi
@@ -108,7 +108,7 @@ from ast import (
     unaryop as unaryop,
     withitem as withitem,
 )
-from typing import Literal
+from typing import Final
 
 if sys.version_info >= (3, 12):
     from ast import (
@@ -137,9 +137,9 @@ if sys.version_info >= (3, 10):
         pattern as pattern,
     )
 
-PyCF_ALLOW_TOP_LEVEL_AWAIT: Literal[8192]
-PyCF_ONLY_AST: Literal[1024]
-PyCF_TYPE_COMMENTS: Literal[4096]
+PyCF_ALLOW_TOP_LEVEL_AWAIT: Final = 8192
+PyCF_ONLY_AST: Final = 1024
+PyCF_TYPE_COMMENTS: Final = 4096
 
 if sys.version_info >= (3, 13):
-    PyCF_OPTIMIZED_AST: Literal[33792]
+    PyCF_OPTIMIZED_AST: Final = 33792
diff --git a/stdlib/_blake2.pyi b/stdlib/_blake2.pyi
index d578df55c2fa..d2a5d572328b 100644
--- a/stdlib/_blake2.pyi
+++ b/stdlib/_blake2.pyi
@@ -1,15 +1,15 @@
 from _typeshed import ReadableBuffer
-from typing import ClassVar, final
+from typing import ClassVar, Final, final
 from typing_extensions import Self
 
-BLAKE2B_MAX_DIGEST_SIZE: int = 64
-BLAKE2B_MAX_KEY_SIZE: int = 64
-BLAKE2B_PERSON_SIZE: int = 16
-BLAKE2B_SALT_SIZE: int = 16
-BLAKE2S_MAX_DIGEST_SIZE: int = 32
-BLAKE2S_MAX_KEY_SIZE: int = 32
-BLAKE2S_PERSON_SIZE: int = 8
-BLAKE2S_SALT_SIZE: int = 8
+BLAKE2B_MAX_DIGEST_SIZE: Final = 64
+BLAKE2B_MAX_KEY_SIZE: Final = 64
+BLAKE2B_PERSON_SIZE: Final = 16
+BLAKE2B_SALT_SIZE: Final = 16
+BLAKE2S_MAX_DIGEST_SIZE: Final = 32
+BLAKE2S_MAX_KEY_SIZE: Final = 32
+BLAKE2S_PERSON_SIZE: Final = 8
+BLAKE2S_SALT_SIZE: Final = 8
 
 @final
 class blake2b:
diff --git a/stdlib/_compat_pickle.pyi b/stdlib/_compat_pickle.pyi
index 50fb22442cc9..32c0b542d991 100644
--- a/stdlib/_compat_pickle.pyi
+++ b/stdlib/_compat_pickle.pyi
@@ -1,8 +1,10 @@
-IMPORT_MAPPING: dict[str, str]
-NAME_MAPPING: dict[tuple[str, str], tuple[str, str]]
-PYTHON2_EXCEPTIONS: tuple[str, ...]
-MULTIPROCESSING_EXCEPTIONS: tuple[str, ...]
-REVERSE_IMPORT_MAPPING: dict[str, str]
-REVERSE_NAME_MAPPING: dict[tuple[str, str], tuple[str, str]]
-PYTHON3_OSERROR_EXCEPTIONS: tuple[str, ...]
-PYTHON3_IMPORTERROR_EXCEPTIONS: tuple[str, ...]
+from typing import Final
+
+IMPORT_MAPPING: Final[dict[str, str]]
+NAME_MAPPING: Final[dict[tuple[str, str], tuple[str, str]]]
+PYTHON2_EXCEPTIONS: Final[tuple[str, ...]]
+MULTIPROCESSING_EXCEPTIONS: Final[tuple[str, ...]]
+REVERSE_IMPORT_MAPPING: Final[dict[str, str]]
+REVERSE_NAME_MAPPING: Final[dict[tuple[str, str], tuple[str, str]]]
+PYTHON3_OSERROR_EXCEPTIONS: Final[tuple[str, ...]]
+PYTHON3_IMPORTERROR_EXCEPTIONS: Final[tuple[str, ...]]
diff --git a/stdlib/_ctypes.pyi b/stdlib/_ctypes.pyi
index 0972585d8baf..c87cf5e326ca 100644
--- a/stdlib/_ctypes.pyi
+++ b/stdlib/_ctypes.pyi
@@ -5,24 +5,24 @@ from abc import abstractmethod
 from collections.abc import Callable, Iterable, Iterator, Mapping, Sequence
 from ctypes import CDLL, ArgumentError as ArgumentError, c_void_p
 from types import GenericAlias
-from typing import Any, ClassVar, Generic, TypeVar, final, overload, type_check_only
+from typing import Any, ClassVar, Final, Generic, TypeVar, final, overload, type_check_only
 from typing_extensions import Self, TypeAlias
 
 _T = TypeVar("_T")
 _CT = TypeVar("_CT", bound=_CData)
 
-FUNCFLAG_CDECL: int
-FUNCFLAG_PYTHONAPI: int
-FUNCFLAG_USE_ERRNO: int
-FUNCFLAG_USE_LASTERROR: int
-RTLD_GLOBAL: int
-RTLD_LOCAL: int
+FUNCFLAG_CDECL: Final = 0x1
+FUNCFLAG_PYTHONAPI: Final = 0x4
+FUNCFLAG_USE_ERRNO: Final = 0x8
+FUNCFLAG_USE_LASTERROR: Final = 0x10
+RTLD_GLOBAL: Final[int]
+RTLD_LOCAL: Final[int]
 
 if sys.version_info >= (3, 11):
-    CTYPES_MAX_ARGCOUNT: int
+    CTYPES_MAX_ARGCOUNT: Final[int]
 
 if sys.version_info >= (3, 12):
-    SIZEOF_TIME_T: int
+    SIZEOF_TIME_T: Final[int]
 
 if sys.platform == "win32":
     # Description, Source, HelpFile, HelpContext, scode
@@ -37,8 +37,8 @@ if sys.platform == "win32":
 
     def CopyComPointer(src: _PointerLike, dst: _PointerLike | _CArgObject) -> int: ...
 
-    FUNCFLAG_HRESULT: int
-    FUNCFLAG_STDCALL: int
+    FUNCFLAG_HRESULT: Final = 0x2
+    FUNCFLAG_STDCALL: Final = 0x0
 
     def FormatError(code: int = ...) -> str: ...
     def get_last_error() -> int: ...
diff --git a/stdlib/_curses.pyi b/stdlib/_curses.pyi
index f21a9ca60270..873f6ac81ebf 100644
--- a/stdlib/_curses.pyi
+++ b/stdlib/_curses.pyi
@@ -1,7 +1,7 @@
 import sys
 from _typeshed import ReadOnlyBuffer, SupportsRead, SupportsWrite
 from curses import _ncurses_version
-from typing import Any, final, overload
+from typing import Any, Final, final, overload
 from typing_extensions import TypeAlias
 
 # NOTE: This module is ordinarily only available on Unix, but the windows-curses
@@ -11,270 +11,270 @@ from typing_extensions import TypeAlias
 _ChType: TypeAlias = str | bytes | int
 
 # ACS codes are only initialized after initscr is called
-ACS_BBSS: int
-ACS_BLOCK: int
-ACS_BOARD: int
-ACS_BSBS: int
-ACS_BSSB: int
-ACS_BSSS: int
-ACS_BTEE: int
-ACS_BULLET: int
-ACS_CKBOARD: int
-ACS_DARROW: int
-ACS_DEGREE: int
-ACS_DIAMOND: int
-ACS_GEQUAL: int
-ACS_HLINE: int
-ACS_LANTERN: int
-ACS_LARROW: int
-ACS_LEQUAL: int
-ACS_LLCORNER: int
-ACS_LRCORNER: int
-ACS_LTEE: int
-ACS_NEQUAL: int
-ACS_PI: int
-ACS_PLMINUS: int
-ACS_PLUS: int
-ACS_RARROW: int
-ACS_RTEE: int
-ACS_S1: int
-ACS_S3: int
-ACS_S7: int
-ACS_S9: int
-ACS_SBBS: int
-ACS_SBSB: int
-ACS_SBSS: int
-ACS_SSBB: int
-ACS_SSBS: int
-ACS_SSSB: int
-ACS_SSSS: int
-ACS_STERLING: int
-ACS_TTEE: int
-ACS_UARROW: int
-ACS_ULCORNER: int
-ACS_URCORNER: int
-ACS_VLINE: int
-ALL_MOUSE_EVENTS: int
-A_ALTCHARSET: int
-A_ATTRIBUTES: int
-A_BLINK: int
-A_BOLD: int
-A_CHARTEXT: int
-A_COLOR: int
-A_DIM: int
-A_HORIZONTAL: int
-A_INVIS: int
-A_ITALIC: int
-A_LEFT: int
-A_LOW: int
-A_NORMAL: int
-A_PROTECT: int
-A_REVERSE: int
-A_RIGHT: int
-A_STANDOUT: int
-A_TOP: int
-A_UNDERLINE: int
-A_VERTICAL: int
-BUTTON1_CLICKED: int
-BUTTON1_DOUBLE_CLICKED: int
-BUTTON1_PRESSED: int
-BUTTON1_RELEASED: int
-BUTTON1_TRIPLE_CLICKED: int
-BUTTON2_CLICKED: int
-BUTTON2_DOUBLE_CLICKED: int
-BUTTON2_PRESSED: int
-BUTTON2_RELEASED: int
-BUTTON2_TRIPLE_CLICKED: int
-BUTTON3_CLICKED: int
-BUTTON3_DOUBLE_CLICKED: int
-BUTTON3_PRESSED: int
-BUTTON3_RELEASED: int
-BUTTON3_TRIPLE_CLICKED: int
-BUTTON4_CLICKED: int
-BUTTON4_DOUBLE_CLICKED: int
-BUTTON4_PRESSED: int
-BUTTON4_RELEASED: int
-BUTTON4_TRIPLE_CLICKED: int
+ACS_BBSS: Final[int]
+ACS_BLOCK: Final[int]
+ACS_BOARD: Final[int]
+ACS_BSBS: Final[int]
+ACS_BSSB: Final[int]
+ACS_BSSS: Final[int]
+ACS_BTEE: Final[int]
+ACS_BULLET: Final[int]
+ACS_CKBOARD: Final[int]
+ACS_DARROW: Final[int]
+ACS_DEGREE: Final[int]
+ACS_DIAMOND: Final[int]
+ACS_GEQUAL: Final[int]
+ACS_HLINE: Final[int]
+ACS_LANTERN: Final[int]
+ACS_LARROW: Final[int]
+ACS_LEQUAL: Final[int]
+ACS_LLCORNER: Final[int]
+ACS_LRCORNER: Final[int]
+ACS_LTEE: Final[int]
+ACS_NEQUAL: Final[int]
+ACS_PI: Final[int]
+ACS_PLMINUS: Final[int]
+ACS_PLUS: Final[int]
+ACS_RARROW: Final[int]
+ACS_RTEE: Final[int]
+ACS_S1: Final[int]
+ACS_S3: Final[int]
+ACS_S7: Final[int]
+ACS_S9: Final[int]
+ACS_SBBS: Final[int]
+ACS_SBSB: Final[int]
+ACS_SBSS: Final[int]
+ACS_SSBB: Final[int]
+ACS_SSBS: Final[int]
+ACS_SSSB: Final[int]
+ACS_SSSS: Final[int]
+ACS_STERLING: Final[int]
+ACS_TTEE: Final[int]
+ACS_UARROW: Final[int]
+ACS_ULCORNER: Final[int]
+ACS_URCORNER: Final[int]
+ACS_VLINE: Final[int]
+ALL_MOUSE_EVENTS: Final[int]
+A_ALTCHARSET: Final[int]
+A_ATTRIBUTES: Final[int]
+A_BLINK: Final[int]
+A_BOLD: Final[int]
+A_CHARTEXT: Final[int]
+A_COLOR: Final[int]
+A_DIM: Final[int]
+A_HORIZONTAL: Final[int]
+A_INVIS: Final[int]
+A_ITALIC: Final[int]
+A_LEFT: Final[int]
+A_LOW: Final[int]
+A_NORMAL: Final[int]
+A_PROTECT: Final[int]
+A_REVERSE: Final[int]
+A_RIGHT: Final[int]
+A_STANDOUT: Final[int]
+A_TOP: Final[int]
+A_UNDERLINE: Final[int]
+A_VERTICAL: Final[int]
+BUTTON1_CLICKED: Final[int]
+BUTTON1_DOUBLE_CLICKED: Final[int]
+BUTTON1_PRESSED: Final[int]
+BUTTON1_RELEASED: Final[int]
+BUTTON1_TRIPLE_CLICKED: Final[int]
+BUTTON2_CLICKED: Final[int]
+BUTTON2_DOUBLE_CLICKED: Final[int]
+BUTTON2_PRESSED: Final[int]
+BUTTON2_RELEASED: Final[int]
+BUTTON2_TRIPLE_CLICKED: Final[int]
+BUTTON3_CLICKED: Final[int]
+BUTTON3_DOUBLE_CLICKED: Final[int]
+BUTTON3_PRESSED: Final[int]
+BUTTON3_RELEASED: Final[int]
+BUTTON3_TRIPLE_CLICKED: Final[int]
+BUTTON4_CLICKED: Final[int]
+BUTTON4_DOUBLE_CLICKED: Final[int]
+BUTTON4_PRESSED: Final[int]
+BUTTON4_RELEASED: Final[int]
+BUTTON4_TRIPLE_CLICKED: Final[int]
 # Darwin ncurses doesn't provide BUTTON5_* constants prior to 3.12.10 and 3.13.3
 if sys.version_info >= (3, 10):
     if sys.version_info >= (3, 12) or sys.platform != "darwin":
-        BUTTON5_PRESSED: int
-        BUTTON5_RELEASED: int
-        BUTTON5_CLICKED: int
-        BUTTON5_DOUBLE_CLICKED: int
-        BUTTON5_TRIPLE_CLICKED: int
-BUTTON_ALT: int
-BUTTON_CTRL: int
-BUTTON_SHIFT: int
-COLOR_BLACK: int
-COLOR_BLUE: int
-COLOR_CYAN: int
-COLOR_GREEN: int
-COLOR_MAGENTA: int
-COLOR_RED: int
-COLOR_WHITE: int
-COLOR_YELLOW: int
-ERR: int
-KEY_A1: int
-KEY_A3: int
-KEY_B2: int
-KEY_BACKSPACE: int
-KEY_BEG: int
-KEY_BREAK: int
-KEY_BTAB: int
-KEY_C1: int
-KEY_C3: int
-KEY_CANCEL: int
-KEY_CATAB: int
-KEY_CLEAR: int
-KEY_CLOSE: int
-KEY_COMMAND: int
-KEY_COPY: int
-KEY_CREATE: int
-KEY_CTAB: int
-KEY_DC: int
-KEY_DL: int
-KEY_DOWN: int
-KEY_EIC: int
-KEY_END: int
-KEY_ENTER: int
-KEY_EOL: int
-KEY_EOS: int
-KEY_EXIT: int
-KEY_F0: int
-KEY_F1: int
-KEY_F10: int
-KEY_F11: int
-KEY_F12: int
-KEY_F13: int
-KEY_F14: int
-KEY_F15: int
-KEY_F16: int
-KEY_F17: int
-KEY_F18: int
-KEY_F19: int
-KEY_F2: int
-KEY_F20: int
-KEY_F21: int
-KEY_F22: int
-KEY_F23: int
-KEY_F24: int
-KEY_F25: int
-KEY_F26: int
-KEY_F27: int
-KEY_F28: int
-KEY_F29: int
-KEY_F3: int
-KEY_F30: int
-KEY_F31: int
-KEY_F32: int
-KEY_F33: int
-KEY_F34: int
-KEY_F35: int
-KEY_F36: int
-KEY_F37: int
-KEY_F38: int
-KEY_F39: int
-KEY_F4: int
-KEY_F40: int
-KEY_F41: int
-KEY_F42: int
-KEY_F43: int
-KEY_F44: int
-KEY_F45: int
-KEY_F46: int
-KEY_F47: int
-KEY_F48: int
-KEY_F49: int
-KEY_F5: int
-KEY_F50: int
-KEY_F51: int
-KEY_F52: int
-KEY_F53: int
-KEY_F54: int
-KEY_F55: int
-KEY_F56: int
-KEY_F57: int
-KEY_F58: int
-KEY_F59: int
-KEY_F6: int
-KEY_F60: int
-KEY_F61: int
-KEY_F62: int
-KEY_F63: int
-KEY_F7: int
-KEY_F8: int
-KEY_F9: int
-KEY_FIND: int
-KEY_HELP: int
-KEY_HOME: int
-KEY_IC: int
-KEY_IL: int
-KEY_LEFT: int
-KEY_LL: int
-KEY_MARK: int
-KEY_MAX: int
-KEY_MESSAGE: int
-KEY_MIN: int
-KEY_MOUSE: int
-KEY_MOVE: int
-KEY_NEXT: int
-KEY_NPAGE: int
-KEY_OPEN: int
-KEY_OPTIONS: int
-KEY_PPAGE: int
-KEY_PREVIOUS: int
-KEY_PRINT: int
-KEY_REDO: int
-KEY_REFERENCE: int
-KEY_REFRESH: int
-KEY_REPLACE: int
-KEY_RESET: int
-KEY_RESIZE: int
-KEY_RESTART: int
-KEY_RESUME: int
-KEY_RIGHT: int
-KEY_SAVE: int
-KEY_SBEG: int
-KEY_SCANCEL: int
-KEY_SCOMMAND: int
-KEY_SCOPY: int
-KEY_SCREATE: int
-KEY_SDC: int
-KEY_SDL: int
-KEY_SELECT: int
-KEY_SEND: int
-KEY_SEOL: int
-KEY_SEXIT: int
-KEY_SF: int
-KEY_SFIND: int
-KEY_SHELP: int
-KEY_SHOME: int
-KEY_SIC: int
-KEY_SLEFT: int
-KEY_SMESSAGE: int
-KEY_SMOVE: int
-KEY_SNEXT: int
-KEY_SOPTIONS: int
-KEY_SPREVIOUS: int
-KEY_SPRINT: int
-KEY_SR: int
-KEY_SREDO: int
-KEY_SREPLACE: int
-KEY_SRESET: int
-KEY_SRIGHT: int
-KEY_SRSUME: int
-KEY_SSAVE: int
-KEY_SSUSPEND: int
-KEY_STAB: int
-KEY_SUNDO: int
-KEY_SUSPEND: int
-KEY_UNDO: int
-KEY_UP: int
-OK: int
-REPORT_MOUSE_POSITION: int
+        BUTTON5_PRESSED: Final[int]
+        BUTTON5_RELEASED: Final[int]
+        BUTTON5_CLICKED: Final[int]
+        BUTTON5_DOUBLE_CLICKED: Final[int]
+        BUTTON5_TRIPLE_CLICKED: Final[int]
+BUTTON_ALT: Final[int]
+BUTTON_CTRL: Final[int]
+BUTTON_SHIFT: Final[int]
+COLOR_BLACK: Final[int]
+COLOR_BLUE: Final[int]
+COLOR_CYAN: Final[int]
+COLOR_GREEN: Final[int]
+COLOR_MAGENTA: Final[int]
+COLOR_RED: Final[int]
+COLOR_WHITE: Final[int]
+COLOR_YELLOW: Final[int]
+ERR: Final[int]
+KEY_A1: Final[int]
+KEY_A3: Final[int]
+KEY_B2: Final[int]
+KEY_BACKSPACE: Final[int]
+KEY_BEG: Final[int]
+KEY_BREAK: Final[int]
+KEY_BTAB: Final[int]
+KEY_C1: Final[int]
+KEY_C3: Final[int]
+KEY_CANCEL: Final[int]
+KEY_CATAB: Final[int]
+KEY_CLEAR: Final[int]
+KEY_CLOSE: Final[int]
+KEY_COMMAND: Final[int]
+KEY_COPY: Final[int]
+KEY_CREATE: Final[int]
+KEY_CTAB: Final[int]
+KEY_DC: Final[int]
+KEY_DL: Final[int]
+KEY_DOWN: Final[int]
+KEY_EIC: Final[int]
+KEY_END: Final[int]
+KEY_ENTER: Final[int]
+KEY_EOL: Final[int]
+KEY_EOS: Final[int]
+KEY_EXIT: Final[int]
+KEY_F0: Final[int]
+KEY_F1: Final[int]
+KEY_F10: Final[int]
+KEY_F11: Final[int]
+KEY_F12: Final[int]
+KEY_F13: Final[int]
+KEY_F14: Final[int]
+KEY_F15: Final[int]
+KEY_F16: Final[int]
+KEY_F17: Final[int]
+KEY_F18: Final[int]
+KEY_F19: Final[int]
+KEY_F2: Final[int]
+KEY_F20: Final[int]
+KEY_F21: Final[int]
+KEY_F22: Final[int]
+KEY_F23: Final[int]
+KEY_F24: Final[int]
+KEY_F25: Final[int]
+KEY_F26: Final[int]
+KEY_F27: Final[int]
+KEY_F28: Final[int]
+KEY_F29: Final[int]
+KEY_F3: Final[int]
+KEY_F30: Final[int]
+KEY_F31: Final[int]
+KEY_F32: Final[int]
+KEY_F33: Final[int]
+KEY_F34: Final[int]
+KEY_F35: Final[int]
+KEY_F36: Final[int]
+KEY_F37: Final[int]
+KEY_F38: Final[int]
+KEY_F39: Final[int]
+KEY_F4: Final[int]
+KEY_F40: Final[int]
+KEY_F41: Final[int]
+KEY_F42: Final[int]
+KEY_F43: Final[int]
+KEY_F44: Final[int]
+KEY_F45: Final[int]
+KEY_F46: Final[int]
+KEY_F47: Final[int]
+KEY_F48: Final[int]
+KEY_F49: Final[int]
+KEY_F5: Final[int]
+KEY_F50: Final[int]
+KEY_F51: Final[int]
+KEY_F52: Final[int]
+KEY_F53: Final[int]
+KEY_F54: Final[int]
+KEY_F55: Final[int]
+KEY_F56: Final[int]
+KEY_F57: Final[int]
+KEY_F58: Final[int]
+KEY_F59: Final[int]
+KEY_F6: Final[int]
+KEY_F60: Final[int]
+KEY_F61: Final[int]
+KEY_F62: Final[int]
+KEY_F63: Final[int]
+KEY_F7: Final[int]
+KEY_F8: Final[int]
+KEY_F9: Final[int]
+KEY_FIND: Final[int]
+KEY_HELP: Final[int]
+KEY_HOME: Final[int]
+KEY_IC: Final[int]
+KEY_IL: Final[int]
+KEY_LEFT: Final[int]
+KEY_LL: Final[int]
+KEY_MARK: Final[int]
+KEY_MAX: Final[int]
+KEY_MESSAGE: Final[int]
+KEY_MIN: Final[int]
+KEY_MOUSE: Final[int]
+KEY_MOVE: Final[int]
+KEY_NEXT: Final[int]
+KEY_NPAGE: Final[int]
+KEY_OPEN: Final[int]
+KEY_OPTIONS: Final[int]
+KEY_PPAGE: Final[int]
+KEY_PREVIOUS: Final[int]
+KEY_PRINT: Final[int]
+KEY_REDO: Final[int]
+KEY_REFERENCE: Final[int]
+KEY_REFRESH: Final[int]
+KEY_REPLACE: Final[int]
+KEY_RESET: Final[int]
+KEY_RESIZE: Final[int]
+KEY_RESTART: Final[int]
+KEY_RESUME: Final[int]
+KEY_RIGHT: Final[int]
+KEY_SAVE: Final[int]
+KEY_SBEG: Final[int]
+KEY_SCANCEL: Final[int]
+KEY_SCOMMAND: Final[int]
+KEY_SCOPY: Final[int]
+KEY_SCREATE: Final[int]
+KEY_SDC: Final[int]
+KEY_SDL: Final[int]
+KEY_SELECT: Final[int]
+KEY_SEND: Final[int]
+KEY_SEOL: Final[int]
+KEY_SEXIT: Final[int]
+KEY_SF: Final[int]
+KEY_SFIND: Final[int]
+KEY_SHELP: Final[int]
+KEY_SHOME: Final[int]
+KEY_SIC: Final[int]
+KEY_SLEFT: Final[int]
+KEY_SMESSAGE: Final[int]
+KEY_SMOVE: Final[int]
+KEY_SNEXT: Final[int]
+KEY_SOPTIONS: Final[int]
+KEY_SPREVIOUS: Final[int]
+KEY_SPRINT: Final[int]
+KEY_SR: Final[int]
+KEY_SREDO: Final[int]
+KEY_SREPLACE: Final[int]
+KEY_SRESET: Final[int]
+KEY_SRIGHT: Final[int]
+KEY_SRSUME: Final[int]
+KEY_SSAVE: Final[int]
+KEY_SSUSPEND: Final[int]
+KEY_STAB: Final[int]
+KEY_SUNDO: Final[int]
+KEY_SUSPEND: Final[int]
+KEY_UNDO: Final[int]
+KEY_UP: Final[int]
+OK: Final[int]
+REPORT_MOUSE_POSITION: Final[int]
 _C_API: Any
-version: bytes
+version: Final[bytes]
 
 def baudrate() -> int: ...
 def beep() -> None: ...
diff --git a/stdlib/_curses_panel.pyi b/stdlib/_curses_panel.pyi
index ddec22236b96..a552a151ddf1 100644
--- a/stdlib/_curses_panel.pyi
+++ b/stdlib/_curses_panel.pyi
@@ -1,8 +1,8 @@
 from _curses import window
-from typing import final
+from typing import Final, final
 
-__version__: str
-version: str
+__version__: Final[str]
+version: Final[str]
 
 class error(Exception): ...
 
diff --git a/stdlib/_dbm.pyi b/stdlib/_dbm.pyi
index 7e53cca3c704..759a2a43bed1 100644
--- a/stdlib/_dbm.pyi
+++ b/stdlib/_dbm.pyi
@@ -1,7 +1,7 @@
 import sys
 from _typeshed import ReadOnlyBuffer, StrOrBytesPath
 from types import TracebackType
-from typing import TypeVar, final, overload, type_check_only
+from typing import Final, TypeVar, final, overload, type_check_only
 from typing_extensions import Self, TypeAlias
 
 if sys.platform != "win32":
@@ -10,7 +10,7 @@ if sys.platform != "win32":
     _ValueType: TypeAlias = str | ReadOnlyBuffer
 
     class error(OSError): ...
-    library: str
+    library: Final[str]
 
     # Actual typename dbm, not exposed by the implementation
     @final
diff --git a/stdlib/_frozen_importlib_external.pyi b/stdlib/_frozen_importlib_external.pyi
index 80eebe45a7d4..f178711d9f37 100644
--- a/stdlib/_frozen_importlib_external.pyi
+++ b/stdlib/_frozen_importlib_external.pyi
@@ -9,7 +9,7 @@ from _typeshed.importlib import LoaderProtocol
 from collections.abc import Callable, Iterable, Iterator, Mapping, MutableSequence, Sequence
 from importlib.machinery import ModuleSpec
 from importlib.metadata import DistributionFinder, PathDistribution
-from typing import Any, Literal
+from typing import Any, Final, Literal
 from typing_extensions import Self, deprecated
 
 if sys.version_info >= (3, 10):
@@ -24,7 +24,7 @@ else:
     path_sep: Literal["/"]
     path_sep_tuple: tuple[Literal["/"]]
 
-MAGIC_NUMBER: bytes
+MAGIC_NUMBER: Final[bytes]
 
 def cache_from_source(path: StrPath, debug_override: bool | None = None, *, optimization: Any | None = None) -> str: ...
 def source_from_cache(path: StrPath) -> str: ...
@@ -74,11 +74,11 @@ class PathFinder(importlib.abc.MetaPathFinder):
         @deprecated("Deprecated since Python 3.4; removed in Python 3.12. Use `find_spec()` instead.")
         def find_module(cls, fullname: str, path: Sequence[str] | None = None) -> importlib.abc.Loader | None: ...
 
-SOURCE_SUFFIXES: list[str]
-DEBUG_BYTECODE_SUFFIXES: list[str]
-OPTIMIZED_BYTECODE_SUFFIXES: list[str]
-BYTECODE_SUFFIXES: list[str]
-EXTENSION_SUFFIXES: list[str]
+SOURCE_SUFFIXES: Final[list[str]]
+DEBUG_BYTECODE_SUFFIXES: Final = [".pyc"]
+OPTIMIZED_BYTECODE_SUFFIXES: Final = [".pyc"]
+BYTECODE_SUFFIXES: Final = [".pyc"]
+EXTENSION_SUFFIXES: Final[list[str]]
 
 class FileFinder(importlib.abc.PathEntryFinder):
     path: str
diff --git a/stdlib/_lzma.pyi b/stdlib/_lzma.pyi
index 1a27c7428e8e..a234e383d28f 100644
--- a/stdlib/_lzma.pyi
+++ b/stdlib/_lzma.pyi
@@ -16,7 +16,7 @@ CHECK_CRC64: Final = 4
 CHECK_SHA256: Final = 10
 CHECK_ID_MAX: Final = 15
 CHECK_UNKNOWN: Final = 16
-FILTER_LZMA1: int  # v big number
+FILTER_LZMA1: Final[int]  # v big number
 FILTER_LZMA2: Final = 33
 FILTER_DELTA: Final = 3
 FILTER_X86: Final = 4
@@ -33,7 +33,7 @@ MF_BT4: Final = 20
 MODE_FAST: Final = 1
 MODE_NORMAL: Final = 2
 PRESET_DEFAULT: Final = 6
-PRESET_EXTREME: int  # v big number
+PRESET_EXTREME: Final[int]  # v big number
 
 @final
 class LZMADecompressor:
diff --git a/stdlib/_msi.pyi b/stdlib/_msi.pyi
index ef45ff6dc3c8..edceed51bf9d 100644
--- a/stdlib/_msi.pyi
+++ b/stdlib/_msi.pyi
@@ -1,5 +1,5 @@
 import sys
-from typing import type_check_only
+from typing import Final, type_check_only
 
 if sys.platform == "win32":
     class MSIError(Exception): ...
@@ -56,42 +56,42 @@ if sys.platform == "win32":
     def OpenDatabase(path: str, persist: int, /) -> _Database: ...
     def CreateRecord(count: int, /) -> _Record: ...
 
-    MSICOLINFO_NAMES: int
-    MSICOLINFO_TYPES: int
-    MSIDBOPEN_CREATE: int
-    MSIDBOPEN_CREATEDIRECT: int
-    MSIDBOPEN_DIRECT: int
-    MSIDBOPEN_PATCHFILE: int
-    MSIDBOPEN_READONLY: int
-    MSIDBOPEN_TRANSACT: int
-    MSIMODIFY_ASSIGN: int
-    MSIMODIFY_DELETE: int
-    MSIMODIFY_INSERT: int
-    MSIMODIFY_INSERT_TEMPORARY: int
-    MSIMODIFY_MERGE: int
-    MSIMODIFY_REFRESH: int
-    MSIMODIFY_REPLACE: int
-    MSIMODIFY_SEEK: int
-    MSIMODIFY_UPDATE: int
-    MSIMODIFY_VALIDATE: int
-    MSIMODIFY_VALIDATE_DELETE: int
-    MSIMODIFY_VALIDATE_FIELD: int
-    MSIMODIFY_VALIDATE_NEW: int
+    MSICOLINFO_NAMES: Final[int]
+    MSICOLINFO_TYPES: Final[int]
+    MSIDBOPEN_CREATE: Final[int]
+    MSIDBOPEN_CREATEDIRECT: Final[int]
+    MSIDBOPEN_DIRECT: Final[int]
+    MSIDBOPEN_PATCHFILE: Final[int]
+    MSIDBOPEN_READONLY: Final[int]
+    MSIDBOPEN_TRANSACT: Final[int]
+    MSIMODIFY_ASSIGN: Final[int]
+    MSIMODIFY_DELETE: Final[int]
+    MSIMODIFY_INSERT: Final[int]
+    MSIMODIFY_INSERT_TEMPORARY: Final[int]
+    MSIMODIFY_MERGE: Final[int]
+    MSIMODIFY_REFRESH: Final[int]
+    MSIMODIFY_REPLACE: Final[int]
+    MSIMODIFY_SEEK: Final[int]
+    MSIMODIFY_UPDATE: Final[int]
+    MSIMODIFY_VALIDATE: Final[int]
+    MSIMODIFY_VALIDATE_DELETE: Final[int]
+    MSIMODIFY_VALIDATE_FIELD: Final[int]
+    MSIMODIFY_VALIDATE_NEW: Final[int]
 
-    PID_APPNAME: int
-    PID_AUTHOR: int
-    PID_CHARCOUNT: int
-    PID_CODEPAGE: int
-    PID_COMMENTS: int
-    PID_CREATE_DTM: int
-    PID_KEYWORDS: int
-    PID_LASTAUTHOR: int
-    PID_LASTPRINTED: int
-    PID_LASTSAVE_DTM: int
-    PID_PAGECOUNT: int
-    PID_REVNUMBER: int
-    PID_SECURITY: int
-    PID_SUBJECT: int
-    PID_TEMPLATE: int
-    PID_TITLE: int
-    PID_WORDCOUNT: int
+    PID_APPNAME: Final[int]
+    PID_AUTHOR: Final[int]
+    PID_CHARCOUNT: Final[int]
+    PID_CODEPAGE: Final[int]
+    PID_COMMENTS: Final[int]
+    PID_CREATE_DTM: Final[int]
+    PID_KEYWORDS: Final[int]
+    PID_LASTAUTHOR: Final[int]
+    PID_LASTPRINTED: Final[int]
+    PID_LASTSAVE_DTM: Final[int]
+    PID_PAGECOUNT: Final[int]
+    PID_REVNUMBER: Final[int]
+    PID_SECURITY: Final[int]
+    PID_SUBJECT: Final[int]
+    PID_TEMPLATE: Final[int]
+    PID_TITLE: Final[int]
+    PID_WORDCOUNT: Final[int]
diff --git a/stdlib/_thread.pyi b/stdlib/_thread.pyi
index 970130dfb09c..fb9a3eeb9857 100644
--- a/stdlib/_thread.pyi
+++ b/stdlib/_thread.pyi
@@ -85,7 +85,7 @@ def allocate() -> LockType: ...  # Obsolete synonym for allocate_lock()
 def get_ident() -> int: ...
 def stack_size(size: int = 0, /) -> int: ...
 
-TIMEOUT_MAX: float
+TIMEOUT_MAX: Final[float]
 
 def get_native_id() -> int: ...  # only available on some platforms
 @final
diff --git a/stdlib/_winapi.pyi b/stdlib/_winapi.pyi
index 6083ea4ae57a..d9e2c377b115 100644
--- a/stdlib/_winapi.pyi
+++ b/stdlib/_winapi.pyi
@@ -128,21 +128,21 @@ if sys.platform == "win32":
     WAIT_TIMEOUT: Final = 258
 
     if sys.version_info >= (3, 10):
-        LOCALE_NAME_INVARIANT: str
-        LOCALE_NAME_MAX_LENGTH: int
-        LOCALE_NAME_SYSTEM_DEFAULT: str
-        LOCALE_NAME_USER_DEFAULT: str | None
+        LOCALE_NAME_INVARIANT: Final[str]
+        LOCALE_NAME_MAX_LENGTH: Final[int]
+        LOCALE_NAME_SYSTEM_DEFAULT: Final[str]
+        LOCALE_NAME_USER_DEFAULT: Final[str | None]
 
-        LCMAP_FULLWIDTH: int
-        LCMAP_HALFWIDTH: int
-        LCMAP_HIRAGANA: int
-        LCMAP_KATAKANA: int
-        LCMAP_LINGUISTIC_CASING: int
-        LCMAP_LOWERCASE: int
-        LCMAP_SIMPLIFIED_CHINESE: int
-        LCMAP_TITLECASE: int
-        LCMAP_TRADITIONAL_CHINESE: int
-        LCMAP_UPPERCASE: int
+        LCMAP_FULLWIDTH: Final[int]
+        LCMAP_HALFWIDTH: Final[int]
+        LCMAP_HIRAGANA: Final[int]
+        LCMAP_KATAKANA: Final[int]
+        LCMAP_LINGUISTIC_CASING: Final[int]
+        LCMAP_LOWERCASE: Final[int]
+        LCMAP_SIMPLIFIED_CHINESE: Final[int]
+        LCMAP_TITLECASE: Final[int]
+        LCMAP_TRADITIONAL_CHINESE: Final[int]
+        LCMAP_UPPERCASE: Final[int]
 
     if sys.version_info >= (3, 12):
         COPYFILE2_CALLBACK_CHUNK_STARTED: Final = 1
diff --git a/stdlib/calendar.pyi b/stdlib/calendar.pyi
index cabf3b881c30..d00f0d5d2bce 100644
--- a/stdlib/calendar.pyi
+++ b/stdlib/calendar.pyi
@@ -167,18 +167,18 @@ if sys.version_info >= (3, 12):
         NOVEMBER = 11
         DECEMBER = 12
 
-    JANUARY = Month.JANUARY
-    FEBRUARY = Month.FEBRUARY
-    MARCH = Month.MARCH
-    APRIL = Month.APRIL
-    MAY = Month.MAY
-    JUNE = Month.JUNE
-    JULY = Month.JULY
-    AUGUST = Month.AUGUST
-    SEPTEMBER = Month.SEPTEMBER
-    OCTOBER = Month.OCTOBER
-    NOVEMBER = Month.NOVEMBER
-    DECEMBER = Month.DECEMBER
+    JANUARY: Final = Month.JANUARY
+    FEBRUARY: Final = Month.FEBRUARY
+    MARCH: Final = Month.MARCH
+    APRIL: Final = Month.APRIL
+    MAY: Final = Month.MAY
+    JUNE: Final = Month.JUNE
+    JULY: Final = Month.JULY
+    AUGUST: Final = Month.AUGUST
+    SEPTEMBER: Final = Month.SEPTEMBER
+    OCTOBER: Final = Month.OCTOBER
+    NOVEMBER: Final = Month.NOVEMBER
+    DECEMBER: Final = Month.DECEMBER
 
     class Day(enum.IntEnum):
         MONDAY = 0
@@ -189,13 +189,13 @@ if sys.version_info >= (3, 12):
         SATURDAY = 5
         SUNDAY = 6
 
-    MONDAY = Day.MONDAY
-    TUESDAY = Day.TUESDAY
-    WEDNESDAY = Day.WEDNESDAY
-    THURSDAY = Day.THURSDAY
-    FRIDAY = Day.FRIDAY
-    SATURDAY = Day.SATURDAY
-    SUNDAY = Day.SUNDAY
+    MONDAY: Final = Day.MONDAY
+    TUESDAY: Final = Day.TUESDAY
+    WEDNESDAY: Final = Day.WEDNESDAY
+    THURSDAY: Final = Day.THURSDAY
+    FRIDAY: Final = Day.FRIDAY
+    SATURDAY: Final = Day.SATURDAY
+    SUNDAY: Final = Day.SUNDAY
 else:
     MONDAY: Final = 0
     TUESDAY: Final = 1
diff --git a/stdlib/colorsys.pyi b/stdlib/colorsys.pyi
index 7842f80284ef..4afcb5392b58 100644
--- a/stdlib/colorsys.pyi
+++ b/stdlib/colorsys.pyi
@@ -1,3 +1,5 @@
+from typing import Final
+
 __all__ = ["rgb_to_yiq", "yiq_to_rgb", "rgb_to_hls", "hls_to_rgb", "rgb_to_hsv", "hsv_to_rgb"]
 
 def rgb_to_yiq(r: float, g: float, b: float) -> tuple[float, float, float]: ...
@@ -8,6 +10,6 @@ def rgb_to_hsv(r: float, g: float, b: float) -> tuple[float, float, float]: ...
 def hsv_to_rgb(h: float, s: float, v: float) -> tuple[float, float, float]: ...
 
 # TODO: undocumented
-ONE_SIXTH: float
-ONE_THIRD: float
-TWO_THIRD: float
+ONE_SIXTH: Final[float]
+ONE_THIRD: Final[float]
+TWO_THIRD: Final[float]
diff --git a/stdlib/ctypes/macholib/__init__.pyi b/stdlib/ctypes/macholib/__init__.pyi
index bda5b5a7f4cc..c5dd95466063 100644
--- a/stdlib/ctypes/macholib/__init__.pyi
+++ b/stdlib/ctypes/macholib/__init__.pyi
@@ -1 +1,3 @@
-__version__: str
+from typing import Final
+
+__version__: Final[str]
diff --git a/stdlib/dataclasses.pyi b/stdlib/dataclasses.pyi
index b3183f57ebd2..fb9f5990b6f2 100644
--- a/stdlib/dataclasses.pyi
+++ b/stdlib/dataclasses.pyi
@@ -5,7 +5,7 @@ from _typeshed import DataclassInstance
 from builtins import type as Type  # alias to avoid name clashes with fields named "type"
 from collections.abc import Callable, Iterable, Mapping
 from types import GenericAlias
-from typing import Any, Generic, Literal, Protocol, TypeVar, overload, type_check_only
+from typing import Any, Final, Generic, Literal, Protocol, TypeVar, overload, type_check_only
 from typing_extensions import Never, TypeIs
 
 _T = TypeVar("_T")
@@ -58,7 +58,7 @@ class _DataclassFactory(Protocol):
 class _MISSING_TYPE(enum.Enum):
     MISSING = enum.auto()
 
-MISSING = _MISSING_TYPE.MISSING
+MISSING: Final = _MISSING_TYPE.MISSING
 
 if sys.version_info >= (3, 10):
     class KW_ONLY: ...
diff --git a/stdlib/dis.pyi b/stdlib/dis.pyi
index 86b6d01e3120..1c32925caf4b 100644
--- a/stdlib/dis.pyi
+++ b/stdlib/dis.pyi
@@ -2,7 +2,7 @@ import sys
 import types
 from collections.abc import Callable, Iterator
 from opcode import *  # `dis` re-exports it as a part of public API
-from typing import IO, Any, NamedTuple
+from typing import IO, Any, Final, NamedTuple
 from typing_extensions import Self, TypeAlias
 
 __all__ = [
@@ -178,7 +178,7 @@ class Bytecode:
     def info(self) -> str: ...
     def dis(self) -> str: ...
 
-COMPILER_FLAG_NAMES: dict[int, str]
+COMPILER_FLAG_NAMES: Final[dict[int, str]]
 
 def findlabels(code: _HaveCodeType) -> list[int]: ...
 def findlinestarts(code: _HaveCodeType) -> Iterator[tuple[int, int]]: ...
diff --git a/stdlib/doctest.pyi b/stdlib/doctest.pyi
index 562b5a5bdac9..1bb96e1a7786 100644
--- a/stdlib/doctest.pyi
+++ b/stdlib/doctest.pyi
@@ -3,7 +3,7 @@ import types
 import unittest
 from _typeshed import ExcInfo
 from collections.abc import Callable
-from typing import Any, NamedTuple, type_check_only
+from typing import Any, Final, NamedTuple, type_check_only
 from typing_extensions import Self, TypeAlias
 
 __all__ = [
@@ -57,29 +57,29 @@ else:
         failed: int
         attempted: int
 
-OPTIONFLAGS_BY_NAME: dict[str, int]
+OPTIONFLAGS_BY_NAME: Final[dict[str, int]]
 
 def register_optionflag(name: str) -> int: ...
 
-DONT_ACCEPT_TRUE_FOR_1: int
-DONT_ACCEPT_BLANKLINE: int
-NORMALIZE_WHITESPACE: int
-ELLIPSIS: int
-SKIP: int
-IGNORE_EXCEPTION_DETAIL: int
+DONT_ACCEPT_TRUE_FOR_1: Final = 1
+DONT_ACCEPT_BLANKLINE: Final = 2
+NORMALIZE_WHITESPACE: Final = 4
+ELLIPSIS: Final = 8
+SKIP: Final = 16
+IGNORE_EXCEPTION_DETAIL: Final = 32
 
-COMPARISON_FLAGS: int
+COMPARISON_FLAGS: Final = 63
 
-REPORT_UDIFF: int
-REPORT_CDIFF: int
-REPORT_NDIFF: int
-REPORT_ONLY_FIRST_FAILURE: int
-FAIL_FAST: int
+REPORT_UDIFF: Final = 64
+REPORT_CDIFF: Final = 128
+REPORT_NDIFF: Final = 256
+REPORT_ONLY_FIRST_FAILURE: Final = 512
+FAIL_FAST: Final = 1024
 
-REPORTING_FLAGS: int
+REPORTING_FLAGS: Final = 1984
 
-BLANKLINE_MARKER: str
-ELLIPSIS_MARKER: str
+BLANKLINE_MARKER: Final = "<BLANKLINE>"
+ELLIPSIS_MARKER: Final = "..."
 
 class Example:
     source: str
diff --git a/stdlib/enum.pyi b/stdlib/enum.pyi
index eb7d2e3819fd..82054f284949 100644
--- a/stdlib/enum.pyi
+++ b/stdlib/enum.pyi
@@ -4,7 +4,7 @@ import types
 from _typeshed import SupportsKeysAndGetItem, Unused
 from builtins import property as _builtins_property
 from collections.abc import Callable, Iterable, Iterator, Mapping
-from typing import Any, Generic, Literal, TypeVar, overload
+from typing import Any, Final, Generic, Literal, TypeVar, overload
 from typing_extensions import Self, TypeAlias
 
 __all__ = ["EnumMeta", "Enum", "IntEnum", "Flag", "IntFlag", "auto", "unique"]
@@ -277,9 +277,9 @@ if sys.version_info >= (3, 11):
         NAMED_FLAGS = "multi-flag aliases may not contain unnamed flags"
         UNIQUE = "one name per value"
 
-    CONTINUOUS = EnumCheck.CONTINUOUS
-    NAMED_FLAGS = EnumCheck.NAMED_FLAGS
-    UNIQUE = EnumCheck.UNIQUE
+    CONTINUOUS: Final = EnumCheck.CONTINUOUS
+    NAMED_FLAGS: Final = EnumCheck.NAMED_FLAGS
+    UNIQUE: Final = EnumCheck.UNIQUE
 
     class verify:
         def __init__(self, *checks: EnumCheck) -> None: ...
@@ -291,10 +291,10 @@ if sys.version_info >= (3, 11):
         EJECT = "eject"
         KEEP = "keep"
 
-    STRICT = FlagBoundary.STRICT
-    CONFORM = FlagBoundary.CONFORM
-    EJECT = FlagBoundary.EJECT
-    KEEP = FlagBoundary.KEEP
+    STRICT: Final = FlagBoundary.STRICT
+    CONFORM: Final = FlagBoundary.CONFORM
+    EJECT: Final = FlagBoundary.EJECT
+    KEEP: Final = FlagBoundary.KEEP
 
     def global_str(self: Enum) -> str: ...
     def global_enum(cls: _EnumerationT, update_str: bool = False) -> _EnumerationT: ...
diff --git a/stdlib/errno.pyi b/stdlib/errno.pyi
index 3ba8b66d2865..4f19b5aee87e 100644
--- a/stdlib/errno.pyi
+++ b/stdlib/errno.pyi
@@ -1,225 +1,226 @@
 import sys
 from collections.abc import Mapping
+from typing import Final
 
 errorcode: Mapping[int, str]
 
-EPERM: int
-ENOENT: int
-ESRCH: int
-EINTR: int
-EIO: int
-ENXIO: int
-E2BIG: int
-ENOEXEC: int
-EBADF: int
-ECHILD: int
-EAGAIN: int
-ENOMEM: int
-EACCES: int
-EFAULT: int
-EBUSY: int
-EEXIST: int
-EXDEV: int
-ENODEV: int
-ENOTDIR: int
-EISDIR: int
-EINVAL: int
-ENFILE: int
-EMFILE: int
-ENOTTY: int
-ETXTBSY: int
-EFBIG: int
-ENOSPC: int
-ESPIPE: int
-EROFS: int
-EMLINK: int
-EPIPE: int
-EDOM: int
-ERANGE: int
-EDEADLK: int
-ENAMETOOLONG: int
-ENOLCK: int
-ENOSYS: int
-ENOTEMPTY: int
-ELOOP: int
-EWOULDBLOCK: int
-ENOMSG: int
-EIDRM: int
-ENOSTR: int
-ENODATA: int
-ETIME: int
-ENOSR: int
-EREMOTE: int
-ENOLINK: int
-EPROTO: int
-EBADMSG: int
-EOVERFLOW: int
-EILSEQ: int
-EUSERS: int
-ENOTSOCK: int
-EDESTADDRREQ: int
-EMSGSIZE: int
-EPROTOTYPE: int
-ENOPROTOOPT: int
-EPROTONOSUPPORT: int
-ESOCKTNOSUPPORT: int
-ENOTSUP: int
-EOPNOTSUPP: int
-EPFNOSUPPORT: int
-EAFNOSUPPORT: int
-EADDRINUSE: int
-EADDRNOTAVAIL: int
-ENETDOWN: int
-ENETUNREACH: int
-ENETRESET: int
-ECONNABORTED: int
-ECONNRESET: int
-ENOBUFS: int
-EISCONN: int
-ENOTCONN: int
-ESHUTDOWN: int
-ETOOMANYREFS: int
-ETIMEDOUT: int
-ECONNREFUSED: int
-EHOSTDOWN: int
-EHOSTUNREACH: int
-EALREADY: int
-EINPROGRESS: int
-ESTALE: int
-EDQUOT: int
-ECANCELED: int  # undocumented
-ENOTRECOVERABLE: int  # undocumented
-EOWNERDEAD: int  # undocumented
+EPERM: Final[int]
+ENOENT: Final[int]
+ESRCH: Final[int]
+EINTR: Final[int]
+EIO: Final[int]
+ENXIO: Final[int]
+E2BIG: Final[int]
+ENOEXEC: Final[int]
+EBADF: Final[int]
+ECHILD: Final[int]
+EAGAIN: Final[int]
+ENOMEM: Final[int]
+EACCES: Final[int]
+EFAULT: Final[int]
+EBUSY: Final[int]
+EEXIST: Final[int]
+EXDEV: Final[int]
+ENODEV: Final[int]
+ENOTDIR: Final[int]
+EISDIR: Final[int]
+EINVAL: Final[int]
+ENFILE: Final[int]
+EMFILE: Final[int]
+ENOTTY: Final[int]
+ETXTBSY: Final[int]
+EFBIG: Final[int]
+ENOSPC: Final[int]
+ESPIPE: Final[int]
+EROFS: Final[int]
+EMLINK: Final[int]
+EPIPE: Final[int]
+EDOM: Final[int]
+ERANGE: Final[int]
+EDEADLK: Final[int]
+ENAMETOOLONG: Final[int]
+ENOLCK: Final[int]
+ENOSYS: Final[int]
+ENOTEMPTY: Final[int]
+ELOOP: Final[int]
+EWOULDBLOCK: Final[int]
+ENOMSG: Final[int]
+EIDRM: Final[int]
+ENOSTR: Final[int]
+ENODATA: Final[int]
+ETIME: Final[int]
+ENOSR: Final[int]
+EREMOTE: Final[int]
+ENOLINK: Final[int]
+EPROTO: Final[int]
+EBADMSG: Final[int]
+EOVERFLOW: Final[int]
+EILSEQ: Final[int]
+EUSERS: Final[int]
+ENOTSOCK: Final[int]
+EDESTADDRREQ: Final[int]
+EMSGSIZE: Final[int]
+EPROTOTYPE: Final[int]
+ENOPROTOOPT: Final[int]
+EPROTONOSUPPORT: Final[int]
+ESOCKTNOSUPPORT: Final[int]
+ENOTSUP: Final[int]
+EOPNOTSUPP: Final[int]
+EPFNOSUPPORT: Final[int]
+EAFNOSUPPORT: Final[int]
+EADDRINUSE: Final[int]
+EADDRNOTAVAIL: Final[int]
+ENETDOWN: Final[int]
+ENETUNREACH: Final[int]
+ENETRESET: Final[int]
+ECONNABORTED: Final[int]
+ECONNRESET: Final[int]
+ENOBUFS: Final[int]
+EISCONN: Final[int]
+ENOTCONN: Final[int]
+ESHUTDOWN: Final[int]
+ETOOMANYREFS: Final[int]
+ETIMEDOUT: Final[int]
+ECONNREFUSED: Final[int]
+EHOSTDOWN: Final[int]
+EHOSTUNREACH: Final[int]
+EALREADY: Final[int]
+EINPROGRESS: Final[int]
+ESTALE: Final[int]
+EDQUOT: Final[int]
+ECANCELED: Final[int]  # undocumented
+ENOTRECOVERABLE: Final[int]  # undocumented
+EOWNERDEAD: Final[int]  # undocumented
 
 if sys.platform == "sunos5" or sys.platform == "solaris":  # noqa: Y008
-    ELOCKUNMAPPED: int
-    ENOTACTIVE: int
+    ELOCKUNMAPPED: Final[int]
+    ENOTACTIVE: Final[int]
 
 if sys.platform != "win32":
-    ENOTBLK: int
-    EMULTIHOP: int
+    ENOTBLK: Final[int]
+    EMULTIHOP: Final[int]
 
 if sys.platform == "darwin":
     # All of the below are undocumented
-    EAUTH: int
-    EBADARCH: int
-    EBADEXEC: int
-    EBADMACHO: int
-    EBADRPC: int
-    EDEVERR: int
-    EFTYPE: int
-    ENEEDAUTH: int
-    ENOATTR: int
-    ENOPOLICY: int
-    EPROCLIM: int
-    EPROCUNAVAIL: int
-    EPROGMISMATCH: int
-    EPROGUNAVAIL: int
-    EPWROFF: int
-    ERPCMISMATCH: int
-    ESHLIBVERS: int
+    EAUTH: Final[int]
+    EBADARCH: Final[int]
+    EBADEXEC: Final[int]
+    EBADMACHO: Final[int]
+    EBADRPC: Final[int]
+    EDEVERR: Final[int]
+    EFTYPE: Final[int]
+    ENEEDAUTH: Final[int]
+    ENOATTR: Final[int]
+    ENOPOLICY: Final[int]
+    EPROCLIM: Final[int]
+    EPROCUNAVAIL: Final[int]
+    EPROGMISMATCH: Final[int]
+    EPROGUNAVAIL: Final[int]
+    EPWROFF: Final[int]
+    ERPCMISMATCH: Final[int]
+    ESHLIBVERS: Final[int]
     if sys.version_info >= (3, 11):
-        EQFULL: int
+        EQFULL: Final[int]
 
 if sys.platform != "darwin":
-    EDEADLOCK: int
+    EDEADLOCK: Final[int]
 
 if sys.platform != "win32" and sys.platform != "darwin":
-    ECHRNG: int
-    EL2NSYNC: int
-    EL3HLT: int
-    EL3RST: int
-    ELNRNG: int
-    EUNATCH: int
-    ENOCSI: int
-    EL2HLT: int
-    EBADE: int
-    EBADR: int
-    EXFULL: int
-    ENOANO: int
-    EBADRQC: int
-    EBADSLT: int
-    EBFONT: int
-    ENONET: int
-    ENOPKG: int
-    EADV: int
-    ESRMNT: int
-    ECOMM: int
-    EDOTDOT: int
-    ENOTUNIQ: int
-    EBADFD: int
-    EREMCHG: int
-    ELIBACC: int
-    ELIBBAD: int
-    ELIBSCN: int
-    ELIBMAX: int
-    ELIBEXEC: int
-    ERESTART: int
-    ESTRPIPE: int
-    EUCLEAN: int
-    ENOTNAM: int
-    ENAVAIL: int
-    EISNAM: int
-    EREMOTEIO: int
+    ECHRNG: Final[int]
+    EL2NSYNC: Final[int]
+    EL3HLT: Final[int]
+    EL3RST: Final[int]
+    ELNRNG: Final[int]
+    EUNATCH: Final[int]
+    ENOCSI: Final[int]
+    EL2HLT: Final[int]
+    EBADE: Final[int]
+    EBADR: Final[int]
+    EXFULL: Final[int]
+    ENOANO: Final[int]
+    EBADRQC: Final[int]
+    EBADSLT: Final[int]
+    EBFONT: Final[int]
+    ENONET: Final[int]
+    ENOPKG: Final[int]
+    EADV: Final[int]
+    ESRMNT: Final[int]
+    ECOMM: Final[int]
+    EDOTDOT: Final[int]
+    ENOTUNIQ: Final[int]
+    EBADFD: Final[int]
+    EREMCHG: Final[int]
+    ELIBACC: Final[int]
+    ELIBBAD: Final[int]
+    ELIBSCN: Final[int]
+    ELIBMAX: Final[int]
+    ELIBEXEC: Final[int]
+    ERESTART: Final[int]
+    ESTRPIPE: Final[int]
+    EUCLEAN: Final[int]
+    ENOTNAM: Final[int]
+    ENAVAIL: Final[int]
+    EISNAM: Final[int]
+    EREMOTEIO: Final[int]
     # All of the below are undocumented
-    EKEYEXPIRED: int
-    EKEYREJECTED: int
-    EKEYREVOKED: int
-    EMEDIUMTYPE: int
-    ENOKEY: int
-    ENOMEDIUM: int
-    ERFKILL: int
+    EKEYEXPIRED: Final[int]
+    EKEYREJECTED: Final[int]
+    EKEYREVOKED: Final[int]
+    EMEDIUMTYPE: Final[int]
+    ENOKEY: Final[int]
+    ENOMEDIUM: Final[int]
+    ERFKILL: Final[int]
 
     if sys.version_info >= (3, 14):
-        EHWPOISON: int
+        EHWPOISON: Final[int]
 
 if sys.platform == "win32":
     # All of these are undocumented
-    WSABASEERR: int
-    WSAEACCES: int
-    WSAEADDRINUSE: int
-    WSAEADDRNOTAVAIL: int
-    WSAEAFNOSUPPORT: int
-    WSAEALREADY: int
-    WSAEBADF: int
-    WSAECONNABORTED: int
-    WSAECONNREFUSED: int
-    WSAECONNRESET: int
-    WSAEDESTADDRREQ: int
-    WSAEDISCON: int
-    WSAEDQUOT: int
-    WSAEFAULT: int
-    WSAEHOSTDOWN: int
-    WSAEHOSTUNREACH: int
-    WSAEINPROGRESS: int
-    WSAEINTR: int
-    WSAEINVAL: int
-    WSAEISCONN: int
-    WSAELOOP: int
-    WSAEMFILE: int
-    WSAEMSGSIZE: int
-    WSAENAMETOOLONG: int
-    WSAENETDOWN: int
-    WSAENETRESET: int
-    WSAENETUNREACH: int
-    WSAENOBUFS: int
-    WSAENOPROTOOPT: int
-    WSAENOTCONN: int
-    WSAENOTEMPTY: int
-    WSAENOTSOCK: int
-    WSAEOPNOTSUPP: int
-    WSAEPFNOSUPPORT: int
-    WSAEPROCLIM: int
-    WSAEPROTONOSUPPORT: int
-    WSAEPROTOTYPE: int
-    WSAEREMOTE: int
-    WSAESHUTDOWN: int
-    WSAESOCKTNOSUPPORT: int
-    WSAESTALE: int
-    WSAETIMEDOUT: int
-    WSAETOOMANYREFS: int
-    WSAEUSERS: int
-    WSAEWOULDBLOCK: int
-    WSANOTINITIALISED: int
-    WSASYSNOTREADY: int
-    WSAVERNOTSUPPORTED: int
+    WSABASEERR: Final[int]
+    WSAEACCES: Final[int]
+    WSAEADDRINUSE: Final[int]
+    WSAEADDRNOTAVAIL: Final[int]
+    WSAEAFNOSUPPORT: Final[int]
+    WSAEALREADY: Final[int]
+    WSAEBADF: Final[int]
+    WSAECONNABORTED: Final[int]
+    WSAECONNREFUSED: Final[int]
+    WSAECONNRESET: Final[int]
+    WSAEDESTADDRREQ: Final[int]
+    WSAEDISCON: Final[int]
+    WSAEDQUOT: Final[int]
+    WSAEFAULT: Final[int]
+    WSAEHOSTDOWN: Final[int]
+    WSAEHOSTUNREACH: Final[int]
+    WSAEINPROGRESS: Final[int]
+    WSAEINTR: Final[int]
+    WSAEINVAL: Final[int]
+    WSAEISCONN: Final[int]
+    WSAELOOP: Final[int]
+    WSAEMFILE: Final[int]
+    WSAEMSGSIZE: Final[int]
+    WSAENAMETOOLONG: Final[int]
+    WSAENETDOWN: Final[int]
+    WSAENETRESET: Final[int]
+    WSAENETUNREACH: Final[int]
+    WSAENOBUFS: Final[int]
+    WSAENOPROTOOPT: Final[int]
+    WSAENOTCONN: Final[int]
+    WSAENOTEMPTY: Final[int]
+    WSAENOTSOCK: Final[int]
+    WSAEOPNOTSUPP: Final[int]
+    WSAEPFNOSUPPORT: Final[int]
+    WSAEPROCLIM: Final[int]
+    WSAEPROTONOSUPPORT: Final[int]
+    WSAEPROTOTYPE: Final[int]
+    WSAEREMOTE: Final[int]
+    WSAESHUTDOWN: Final[int]
+    WSAESOCKTNOSUPPORT: Final[int]
+    WSAESTALE: Final[int]
+    WSAETIMEDOUT: Final[int]
+    WSAETOOMANYREFS: Final[int]
+    WSAEUSERS: Final[int]
+    WSAEWOULDBLOCK: Final[int]
+    WSANOTINITIALISED: Final[int]
+    WSASYSNOTREADY: Final[int]
+    WSAVERNOTSUPPORTED: Final[int]
diff --git a/stdlib/filecmp.pyi b/stdlib/filecmp.pyi
index a2a2b235fdad..620cc177a415 100644
--- a/stdlib/filecmp.pyi
+++ b/stdlib/filecmp.pyi
@@ -6,7 +6,7 @@ from typing import Any, AnyStr, Final, Generic, Literal
 
 __all__ = ["clear_cache", "cmp", "dircmp", "cmpfiles", "DEFAULT_IGNORES"]
 
-DEFAULT_IGNORES: list[str]
+DEFAULT_IGNORES: Final[list[str]]
 BUFSIZE: Final = 8192
 
 def cmp(f1: StrOrBytesPath, f2: StrOrBytesPath, shallow: bool | Literal[0, 1] = True) -> bool: ...
diff --git a/stdlib/functools.pyi b/stdlib/functools.pyi
index 6e17ba7d35dc..e41eb4c2b65d 100644
--- a/stdlib/functools.pyi
+++ b/stdlib/functools.pyi
@@ -95,7 +95,7 @@ else:
         tuple[Literal["__module__"], Literal["__name__"], Literal["__qualname__"], Literal["__doc__"], Literal["__annotations__"]]
     ]
 
-WRAPPER_UPDATES: tuple[Literal["__dict__"]]
+WRAPPER_UPDATES: Final[tuple[Literal["__dict__"]]]
 
 @type_check_only
 class _Wrapped(Generic[_PWrapped, _RWrapped, _PWrapper, _RWrapper]):
diff --git a/stdlib/html/entities.pyi b/stdlib/html/entities.pyi
index be83fd1135be..e5890d1ecfbd 100644
--- a/stdlib/html/entities.pyi
+++ b/stdlib/html/entities.pyi
@@ -1,6 +1,8 @@
+from typing import Final
+
 __all__ = ["html5", "name2codepoint", "codepoint2name", "entitydefs"]
 
-name2codepoint: dict[str, int]
-html5: dict[str, str]
-codepoint2name: dict[int, str]
-entitydefs: dict[str, str]
+name2codepoint: Final[dict[str, int]]
+html5: Final[dict[str, str]]
+codepoint2name: Final[dict[int, str]]
+entitydefs: Final[dict[str, str]]
diff --git a/stdlib/http/client.pyi b/stdlib/http/client.pyi
index 5c35dff28d43..d259e84e6f2a 100644
--- a/stdlib/http/client.pyi
+++ b/stdlib/http/client.pyi
@@ -7,7 +7,7 @@ from _typeshed import MaybeNone, ReadableBuffer, SupportsRead, SupportsReadline,
 from collections.abc import Callable, Iterable, Iterator, Mapping
 from email._policybase import _MessageT
 from socket import socket
-from typing import BinaryIO, Literal, TypeVar, overload
+from typing import BinaryIO, Final, TypeVar, overload
 from typing_extensions import Self, TypeAlias
 
 __all__ = [
@@ -36,85 +36,85 @@ _DataType: TypeAlias = SupportsRead[bytes] | Iterable[ReadableBuffer] | Readable
 _T = TypeVar("_T")
 _HeaderValue: TypeAlias = ReadableBuffer | str | int
 
-HTTP_PORT: int
-HTTPS_PORT: int
+HTTP_PORT: Final = 80
+HTTPS_PORT: Final = 443
 
 # Keep these global constants in sync with http.HTTPStatus (http/__init__.pyi).
 # They are present for backward compatibility reasons.
-CONTINUE: Literal[100]
-SWITCHING_PROTOCOLS: Literal[101]
-PROCESSING: Literal[102]
-EARLY_HINTS: Literal[103]
+CONTINUE: Final = 100
+SWITCHING_PROTOCOLS: Final = 101
+PROCESSING: Final = 102
+EARLY_HINTS: Final = 103
 
-OK: Literal[200]
-CREATED: Literal[201]
-ACCEPTED: Literal[202]
-NON_AUTHORITATIVE_INFORMATION: Literal[203]
-NO_CONTENT: Literal[204]
-RESET_CONTENT: Literal[205]
-PARTIAL_CONTENT: Literal[206]
-MULTI_STATUS: Literal[207]
-ALREADY_REPORTED: Literal[208]
-IM_USED: Literal[226]
+OK: Final = 200
+CREATED: Final = 201
+ACCEPTED: Final = 202
+NON_AUTHORITATIVE_INFORMATION: Final = 203
+NO_CONTENT: Final = 204
+RESET_CONTENT: Final = 205
+PARTIAL_CONTENT: Final = 206
+MULTI_STATUS: Final = 207
+ALREADY_REPORTED: Final = 208
+IM_USED: Final = 226
 
-MULTIPLE_CHOICES: Literal[300]
-MOVED_PERMANENTLY: Literal[301]
-FOUND: Literal[302]
-SEE_OTHER: Literal[303]
-NOT_MODIFIED: Literal[304]
-USE_PROXY: Literal[305]
-TEMPORARY_REDIRECT: Literal[307]
-PERMANENT_REDIRECT: Literal[308]
+MULTIPLE_CHOICES: Final = 300
+MOVED_PERMANENTLY: Final = 301
+FOUND: Final = 302
+SEE_OTHER: Final = 303
+NOT_MODIFIED: Final = 304
+USE_PROXY: Final = 305
+TEMPORARY_REDIRECT: Final = 307
+PERMANENT_REDIRECT: Final = 308
 
-BAD_REQUEST: Literal[400]
-UNAUTHORIZED: Literal[401]
-PAYMENT_REQUIRED: Literal[402]
-FORBIDDEN: Literal[403]
-NOT_FOUND: Literal[404]
-METHOD_NOT_ALLOWED: Literal[405]
-NOT_ACCEPTABLE: Literal[406]
-PROXY_AUTHENTICATION_REQUIRED: Literal[407]
-REQUEST_TIMEOUT: Literal[408]
-CONFLICT: Literal[409]
-GONE: Literal[410]
-LENGTH_REQUIRED: Literal[411]
-PRECONDITION_FAILED: Literal[412]
+BAD_REQUEST: Final = 400
+UNAUTHORIZED: Final = 401
+PAYMENT_REQUIRED: Final = 402
+FORBIDDEN: Final = 403
+NOT_FOUND: Final = 404
+METHOD_NOT_ALLOWED: Final = 405
+NOT_ACCEPTABLE: Final = 406
+PROXY_AUTHENTICATION_REQUIRED: Final = 407
+REQUEST_TIMEOUT: Final = 408
+CONFLICT: Final = 409
+GONE: Final = 410
+LENGTH_REQUIRED: Final = 411
+PRECONDITION_FAILED: Final = 412
 if sys.version_info >= (3, 13):
-    CONTENT_TOO_LARGE: Literal[413]
-REQUEST_ENTITY_TOO_LARGE: Literal[413]
+    CONTENT_TOO_LARGE: Final = 413
+REQUEST_ENTITY_TOO_LARGE: Final = 413
 if sys.version_info >= (3, 13):
-    URI_TOO_LONG: Literal[414]
-REQUEST_URI_TOO_LONG: Literal[414]
-UNSUPPORTED_MEDIA_TYPE: Literal[415]
+    URI_TOO_LONG: Final = 414
+REQUEST_URI_TOO_LONG: Final = 414
+UNSUPPORTED_MEDIA_TYPE: Final = 415
 if sys.version_info >= (3, 13):
-    RANGE_NOT_SATISFIABLE: Literal[416]
-REQUESTED_RANGE_NOT_SATISFIABLE: Literal[416]
-EXPECTATION_FAILED: Literal[417]
-IM_A_TEAPOT: Literal[418]
-MISDIRECTED_REQUEST: Literal[421]
+    RANGE_NOT_SATISFIABLE: Final = 416
+REQUESTED_RANGE_NOT_SATISFIABLE: Final = 416
+EXPECTATION_FAILED: Final = 417
+IM_A_TEAPOT: Final = 418
+MISDIRECTED_REQUEST: Final = 421
 if sys.version_info >= (3, 13):
-    UNPROCESSABLE_CONTENT: Literal[422]
-UNPROCESSABLE_ENTITY: Literal[422]
-LOCKED: Literal[423]
-FAILED_DEPENDENCY: Literal[424]
-TOO_EARLY: Literal[425]
-UPGRADE_REQUIRED: Literal[426]
-PRECONDITION_REQUIRED: Literal[428]
-TOO_MANY_REQUESTS: Literal[429]
-REQUEST_HEADER_FIELDS_TOO_LARGE: Literal[431]
-UNAVAILABLE_FOR_LEGAL_REASONS: Literal[451]
+    UNPROCESSABLE_CONTENT: Final = 422
+UNPROCESSABLE_ENTITY: Final = 422
+LOCKED: Final = 423
+FAILED_DEPENDENCY: Final = 424
+TOO_EARLY: Final = 425
+UPGRADE_REQUIRED: Final = 426
+PRECONDITION_REQUIRED: Final = 428
+TOO_MANY_REQUESTS: Final = 429
+REQUEST_HEADER_FIELDS_TOO_LARGE: Final = 431
+UNAVAILABLE_FOR_LEGAL_REASONS: Final = 451
 
-INTERNAL_SERVER_ERROR: Literal[500]
-NOT_IMPLEMENTED: Literal[501]
-BAD_GATEWAY: Literal[502]
-SERVICE_UNAVAILABLE: Literal[503]
-GATEWAY_TIMEOUT: Literal[504]
-HTTP_VERSION_NOT_SUPPORTED: Literal[505]
-VARIANT_ALSO_NEGOTIATES: Literal[506]
-INSUFFICIENT_STORAGE: Literal[507]
-LOOP_DETECTED: Literal[508]
-NOT_EXTENDED: Literal[510]
-NETWORK_AUTHENTICATION_REQUIRED: Literal[511]
+INTERNAL_SERVER_ERROR: Final = 500
+NOT_IMPLEMENTED: Final = 501
+BAD_GATEWAY: Final = 502
+SERVICE_UNAVAILABLE: Final = 503
+GATEWAY_TIMEOUT: Final = 504
+HTTP_VERSION_NOT_SUPPORTED: Final = 505
+VARIANT_ALSO_NEGOTIATES: Final = 506
+INSUFFICIENT_STORAGE: Final = 507
+LOOP_DETECTED: Final = 508
+NOT_EXTENDED: Final = 510
+NETWORK_AUTHENTICATION_REQUIRED: Final = 511
 
 responses: dict[int, str]
 
diff --git a/stdlib/imp.pyi b/stdlib/imp.pyi
index f045fd969b27..b5b4223aa58e 100644
--- a/stdlib/imp.pyi
+++ b/stdlib/imp.pyi
@@ -13,18 +13,18 @@ from _imp import (
 from _typeshed import StrPath
 from os import PathLike
 from types import TracebackType
-from typing import IO, Any, Protocol, type_check_only
+from typing import IO, Any, Final, Protocol, type_check_only
 
-SEARCH_ERROR: int
-PY_SOURCE: int
-PY_COMPILED: int
-C_EXTENSION: int
-PY_RESOURCE: int
-PKG_DIRECTORY: int
-C_BUILTIN: int
-PY_FROZEN: int
-PY_CODERESOURCE: int
-IMP_HOOK: int
+SEARCH_ERROR: Final = 0
+PY_SOURCE: Final = 1
+PY_COMPILED: Final = 2
+C_EXTENSION: Final = 3
+PY_RESOURCE: Final = 4
+PKG_DIRECTORY: Final = 5
+C_BUILTIN: Final = 6
+PY_FROZEN: Final = 7
+PY_CODERESOURCE: Final = 8
+IMP_HOOK: Final = 9
 
 def new_module(name: str) -> types.ModuleType: ...
 def get_magic() -> bytes: ...
diff --git a/stdlib/logging/__init__.pyi b/stdlib/logging/__init__.pyi
index 03c79cc3e265..3fced2b0bf38 100644
--- a/stdlib/logging/__init__.pyi
+++ b/stdlib/logging/__init__.pyi
@@ -659,4 +659,4 @@ class StringTemplateStyle(PercentStyle):  # undocumented
 
 _STYLES: Final[dict[str, tuple[PercentStyle, str]]]
 
-BASIC_FORMAT: Final[str]
+BASIC_FORMAT: Final = "%(levelname)s:%(name)s:%(message)s"
diff --git a/stdlib/logging/config.pyi b/stdlib/logging/config.pyi
index 000ba1ebb06e..7b9b442763e4 100644
--- a/stdlib/logging/config.pyi
+++ b/stdlib/logging/config.pyi
@@ -9,7 +9,7 @@ from typing_extensions import Required, TypeAlias
 
 from . import Filter, Filterer, Formatter, Handler, Logger, _FilterType, _FormatStyle, _Level
 
-DEFAULT_LOGGING_CONFIG_PORT: int
+DEFAULT_LOGGING_CONFIG_PORT: Final = 9030
 RESET_ERROR: Final[int]  # undocumented
 IDENTIFIER: Final[Pattern[str]]  # undocumented
 
diff --git a/stdlib/logging/handlers.pyi b/stdlib/logging/handlers.pyi
index e231d1de3fb5..535f1c685183 100644
--- a/stdlib/logging/handlers.pyi
+++ b/stdlib/logging/handlers.pyi
@@ -14,12 +14,12 @@ from typing_extensions import Self
 
 _T = TypeVar("_T")
 
-DEFAULT_TCP_LOGGING_PORT: Final[int]
-DEFAULT_UDP_LOGGING_PORT: Final[int]
-DEFAULT_HTTP_LOGGING_PORT: Final[int]
-DEFAULT_SOAP_LOGGING_PORT: Final[int]
-SYSLOG_UDP_PORT: Final[int]
-SYSLOG_TCP_PORT: Final[int]
+DEFAULT_TCP_LOGGING_PORT: Final = 9020
+DEFAULT_UDP_LOGGING_PORT: Final = 9021
+DEFAULT_HTTP_LOGGING_PORT: Final = 9022
+DEFAULT_SOAP_LOGGING_PORT: Final = 9023
+SYSLOG_UDP_PORT: Final = 514
+SYSLOG_TCP_PORT: Final = 514
 
 class WatchedFileHandler(FileHandler):
     dev: int  # undocumented
diff --git a/stdlib/msvcrt.pyi b/stdlib/msvcrt.pyi
index 403a5d933522..5feca8eab5c1 100644
--- a/stdlib/msvcrt.pyi
+++ b/stdlib/msvcrt.pyi
@@ -9,10 +9,10 @@ if sys.platform == "win32":
     LK_NBLCK: Final = 2
     LK_RLCK: Final = 3
     LK_NBRLCK: Final = 4
-    SEM_FAILCRITICALERRORS: int
-    SEM_NOALIGNMENTFAULTEXCEPT: int
-    SEM_NOGPFAULTERRORBOX: int
-    SEM_NOOPENFILEERRORBOX: int
+    SEM_FAILCRITICALERRORS: Final = 0x0001
+    SEM_NOALIGNMENTFAULTEXCEPT: Final = 0x0004
+    SEM_NOGPFAULTERRORBOX: Final = 0x0002
+    SEM_NOOPENFILEERRORBOX: Final = 0x8000
     def locking(fd: int, mode: int, nbytes: int, /) -> None: ...
     def setmode(fd: int, mode: int, /) -> int: ...
     def open_osfhandle(handle: int, flags: int, /) -> int: ...
diff --git a/stdlib/opcode.pyi b/stdlib/opcode.pyi
index a5a3a79c323b..ed0e96ef1cb9 100644
--- a/stdlib/opcode.pyi
+++ b/stdlib/opcode.pyi
@@ -1,5 +1,5 @@
 import sys
-from typing import Literal
+from typing import Final, Literal
 
 __all__ = [
     "cmp_op",
@@ -24,24 +24,24 @@ if sys.version_info >= (3, 13):
     __all__ += ["hasjump"]
 
 cmp_op: tuple[Literal["<"], Literal["<="], Literal["=="], Literal["!="], Literal[">"], Literal[">="]]
-hasconst: list[int]
-hasname: list[int]
-hasjrel: list[int]
-hasjabs: list[int]
-haslocal: list[int]
-hascompare: list[int]
-hasfree: list[int]
+hasconst: Final[list[int]]
+hasname: Final[list[int]]
+hasjrel: Final[list[int]]
+hasjabs: Final[list[int]]
+haslocal: Final[list[int]]
+hascompare: Final[list[int]]
+hasfree: Final[list[int]]
 if sys.version_info >= (3, 12):
-    hasarg: list[int]
-    hasexc: list[int]
+    hasarg: Final[list[int]]
+    hasexc: Final[list[int]]
 else:
-    hasnargs: list[int]
+    hasnargs: Final[list[int]]
 if sys.version_info >= (3, 13):
-    hasjump: list[int]
-opname: list[str]
+    hasjump: Final[list[int]]
+opname: Final[list[str]]
 
-opmap: dict[str, int]
-HAVE_ARGUMENT: int
-EXTENDED_ARG: int
+opmap: Final[dict[str, int]]
+HAVE_ARGUMENT: Final = 43
+EXTENDED_ARG: Final = 69
 
 def stack_effect(opcode: int, oparg: int | None = None, /, *, jump: bool | None = None) -> int: ...
diff --git a/stdlib/os/__init__.pyi b/stdlib/os/__init__.pyi
index 4047bb0f1c4d..978b091cfcdc 100644
--- a/stdlib/os/__init__.pyi
+++ b/stdlib/os/__init__.pyi
@@ -509,22 +509,22 @@ supports_follow_symlinks: set[Callable[..., Any]]
 
 if sys.platform != "win32":
     # Unix only
-    PRIO_PROCESS: int
-    PRIO_PGRP: int
-    PRIO_USER: int
+    PRIO_PROCESS: Final[int]
+    PRIO_PGRP: Final[int]
+    PRIO_USER: Final[int]
 
-    F_LOCK: int
-    F_TLOCK: int
-    F_ULOCK: int
-    F_TEST: int
+    F_LOCK: Final[int]
+    F_TLOCK: Final[int]
+    F_ULOCK: Final[int]
+    F_TEST: Final[int]
 
     if sys.platform != "darwin":
-        POSIX_FADV_NORMAL: int
-        POSIX_FADV_SEQUENTIAL: int
-        POSIX_FADV_RANDOM: int
-        POSIX_FADV_NOREUSE: int
-        POSIX_FADV_WILLNEED: int
-        POSIX_FADV_DONTNEED: int
+        POSIX_FADV_NORMAL: Final[int]
+        POSIX_FADV_SEQUENTIAL: Final[int]
+        POSIX_FADV_RANDOM: Final[int]
+        POSIX_FADV_NOREUSE: Final[int]
+        POSIX_FADV_WILLNEED: Final[int]
+        POSIX_FADV_DONTNEED: Final[int]
 
     if sys.platform != "linux" and sys.platform != "darwin":
         # In the os-module docs, these are marked as being available
@@ -534,69 +534,69 @@ if sys.platform != "win32":
         # so the sys-module docs recommend doing `if sys.platform.startswith('freebsd')`
         # to detect FreeBSD builds. Unfortunately that would be too dynamic
         # for type checkers, however.
-        SF_NODISKIO: int
-        SF_MNOWAIT: int
-        SF_SYNC: int
+        SF_NODISKIO: Final[int]
+        SF_MNOWAIT: Final[int]
+        SF_SYNC: Final[int]
 
         if sys.version_info >= (3, 11):
-            SF_NOCACHE: int
+            SF_NOCACHE: Final[int]
 
     if sys.platform == "linux":
-        XATTR_SIZE_MAX: int
-        XATTR_CREATE: int
-        XATTR_REPLACE: int
+        XATTR_SIZE_MAX: Final[int]
+        XATTR_CREATE: Final[int]
+        XATTR_REPLACE: Final[int]
 
-    P_PID: int
-    P_PGID: int
-    P_ALL: int
+    P_PID: Final[int]
+    P_PGID: Final[int]
+    P_ALL: Final[int]
 
     if sys.platform == "linux":
-        P_PIDFD: int
-
-    WEXITED: int
-    WSTOPPED: int
-    WNOWAIT: int
-
-    CLD_EXITED: int
-    CLD_DUMPED: int
-    CLD_TRAPPED: int
-    CLD_CONTINUED: int
-    CLD_KILLED: int
-    CLD_STOPPED: int
-
-    SCHED_OTHER: int
-    SCHED_FIFO: int
-    SCHED_RR: int
+        P_PIDFD: Final[int]
+
+    WEXITED: Final[int]
+    WSTOPPED: Final[int]
+    WNOWAIT: Final[int]
+
+    CLD_EXITED: Final[int]
+    CLD_DUMPED: Final[int]
+    CLD_TRAPPED: Final[int]
+    CLD_CONTINUED: Final[int]
+    CLD_KILLED: Final[int]
+    CLD_STOPPED: Final[int]
+
+    SCHED_OTHER: Final[int]
+    SCHED_FIFO: Final[int]
+    SCHED_RR: Final[int]
     if sys.platform != "darwin" and sys.platform != "linux":
-        SCHED_SPORADIC: int
+        SCHED_SPORADIC: Final[int]
 
 if sys.platform == "linux":
-    SCHED_BATCH: int
-    SCHED_IDLE: int
-    SCHED_RESET_ON_FORK: int
+    SCHED_BATCH: Final[int]
+    SCHED_IDLE: Final[int]
+    SCHED_RESET_ON_FORK: Final[int]
 
 if sys.version_info >= (3, 14) and sys.platform == "linux":
-    SCHED_DEADLINE: int
-    SCHED_NORMAL: int
+    SCHED_DEADLINE: Final[int]
+    SCHED_NORMAL: Final[int]
 
 if sys.platform != "win32":
-    RTLD_LAZY: int
-    RTLD_NOW: int
-    RTLD_GLOBAL: int
-    RTLD_LOCAL: int
-    RTLD_NODELETE: int
-    RTLD_NOLOAD: int
+    RTLD_LAZY: Final[int]
+    RTLD_NOW: Final[int]
+    RTLD_GLOBAL: Final[int]
+    RTLD_LOCAL: Final[int]
+    RTLD_NODELETE: Final[int]
+    RTLD_NOLOAD: Final[int]
 
 if sys.platform == "linux":
-    RTLD_DEEPBIND: int
-    GRND_NONBLOCK: int
-    GRND_RANDOM: int
+    RTLD_DEEPBIND: Final[int]
+    GRND_NONBLOCK: Final[int]
+    GRND_RANDOM: Final[int]
 
 if sys.platform == "darwin" and sys.version_info >= (3, 12):
-    PRIO_DARWIN_BG: int
-    PRIO_DARWIN_NONUI: int
-    PRIO_DARWIN_PROCESS: int
-    PRIO_DARWIN_THREAD: int
+    PRIO_DARWIN_BG: Final[int]
+    PRIO_DARWIN_NONUI: Final[int]
+    PRIO_DARWIN_PROCESS: Final[int]
+    PRIO_DARWIN_THREAD: Final[int]
 
 SEEK_SET: Final = 0
 SEEK_CUR: Final = 1
@@ -605,74 +605,74 @@ if sys.platform != "win32":
     SEEK_DATA: Final = 3
     SEEK_HOLE: Final = 4
 
-O_RDONLY: int
-O_WRONLY: int
-O_RDWR: int
-O_APPEND: int
-O_CREAT: int
-O_EXCL: int
-O_TRUNC: int
+O_RDONLY: Final[int]
+O_WRONLY: Final[int]
+O_RDWR: Final[int]
+O_APPEND: Final[int]
+O_CREAT: Final[int]
+O_EXCL: Final[int]
+O_TRUNC: Final[int]
 if sys.platform == "win32":
-    O_BINARY: int
-    O_NOINHERIT: int
-    O_SHORT_LIVED: int
-    O_TEMPORARY: int
-    O_RANDOM: int
-    O_SEQUENTIAL: int
-    O_TEXT: int
+    O_BINARY: Final[int]
+    O_NOINHERIT: Final[int]
+    O_SHORT_LIVED: Final[int]
+    O_TEMPORARY: Final[int]
+    O_RANDOM: Final[int]
+    O_SEQUENTIAL: Final[int]
+    O_TEXT: Final[int]
 
 if sys.platform != "win32":
-    O_DSYNC: int
-    O_SYNC: int
-    O_NDELAY: int
-    O_NONBLOCK: int
-    O_NOCTTY: int
-    O_CLOEXEC: int
-    O_ASYNC: int  # Gnu extension if in C library
-    O_DIRECTORY: int  # Gnu extension if in C library
-    O_NOFOLLOW: int  # Gnu extension if in C library
-    O_ACCMODE: int  # TODO: when does this exist?
+    O_DSYNC: Final[int]
+    O_SYNC: Final[int]
+    O_NDELAY: Final[int]
+    O_NONBLOCK: Final[int]
+    O_NOCTTY: Final[int]
+    O_CLOEXEC: Final[int]
+    O_ASYNC: Final[int]  # Gnu extension if in C library
+    O_DIRECTORY: Final[int]  # Gnu extension if in C library
+    O_NOFOLLOW: Final[int]  # Gnu extension if in C library
+    O_ACCMODE: Final[int]  # TODO: when does this exist?
 
 if sys.platform == "linux":
-    O_RSYNC: int
-    O_DIRECT: int  # Gnu extension if in C library
-    O_NOATIME: int  # Gnu extension if in C library
-    O_PATH: int  # Gnu extension if in C library
-    O_TMPFILE: int  # Gnu extension if in C library
-    O_LARGEFILE: int  # Gnu extension if in C library
+    O_RSYNC: Final[int]
+    O_DIRECT: Final[int]  # Gnu extension if in C library
+    O_NOATIME: Final[int]  # Gnu extension if in C library
+    O_PATH: Final[int]  # Gnu extension if in C library
+    O_TMPFILE: Final[int]  # Gnu extension if in C library
+    O_LARGEFILE: Final[int]  # Gnu extension if in C library
 
 if sys.platform != "linux" and sys.platform != "win32":
-    O_SHLOCK: int
-    O_EXLOCK: int
+    O_SHLOCK: Final[int]
+    O_EXLOCK: Final[int]
 
 if sys.platform == "darwin" and sys.version_info >= (3, 10):
-    O_EVTONLY: int
-    O_NOFOLLOW_ANY: int
-    O_SYMLINK: int
+    O_EVTONLY: Final[int]
+    O_NOFOLLOW_ANY: Final[int]
+    O_SYMLINK: Final[int]
 
 if sys.platform != "win32" and sys.version_info >= (3, 10):
-    O_FSYNC: int
+    O_FSYNC: Final[int]
 
 if sys.platform != "linux" and sys.platform != "win32" and sys.version_info >= (3, 13):
-    O_EXEC: int
-    O_SEARCH: int
+    O_EXEC: Final[int]
+    O_SEARCH: Final[int]
 
 if sys.platform != "win32" and sys.platform != "darwin":
     # posix, but apparently missing on macos
-    ST_APPEND: int
-    ST_MANDLOCK: int
-    ST_NOATIME: int
-    ST_NODEV: int
-    ST_NODIRATIME: int
-    ST_NOEXEC: int
-    ST_RELATIME: int
-    ST_SYNCHRONOUS: int
-    ST_WRITE: int
+    ST_APPEND: Final[int]
+    ST_MANDLOCK: Final[int]
+    ST_NOATIME: Final[int]
+    ST_NODEV: Final[int]
+    ST_NODIRATIME: Final[int]
+    ST_NOEXEC: Final[int]
+    ST_RELATIME: Final[int]
+    ST_SYNCHRONOUS: Final[int]
+    ST_WRITE: Final[int]
 
 if sys.platform != "win32":
-    NGROUPS_MAX: int
-    ST_NOSUID: int
-    ST_RDONLY: int
+    NGROUPS_MAX: Final[int]
+    ST_NOSUID: Final[int]
+    ST_RDONLY: Final[int]
 
 curdir: str
 pardir: str
@@ -688,10 +688,10 @@ linesep: Literal["\n", "\r\n"]
 devnull: str
 name: str
 
-F_OK: int
-R_OK: int
-W_OK: int
-X_OK: int
+F_OK: Final = 0
+R_OK: Final = 4
+W_OK: Final = 2
+X_OK: Final = 1
 
 _EnvironCodeFunc: TypeAlias = Callable[[AnyStr], AnyStr]
 
@@ -730,47 +730,47 @@ if sys.platform != "win32":
     environb: _Environ[bytes]
 
 if sys.version_info >= (3, 11) or sys.platform != "win32":
-    EX_OK: int
+    EX_OK: Final[int]
 
 if sys.platform != "win32":
     confstr_names: dict[str, int]
     pathconf_names: dict[str, int]
     sysconf_names: dict[str, int]
 
-    EX_USAGE: int
-    EX_DATAERR: int
-    EX_NOINPUT: int
-    EX_NOUSER: int
-    EX_NOHOST: int
-    EX_UNAVAILABLE: int
-    EX_SOFTWARE: int
-    EX_OSERR: int
-    EX_OSFILE: int
-    EX_CANTCREAT: int
-    EX_IOERR: int
-    EX_TEMPFAIL: int
-    EX_PROTOCOL: int
-    EX_NOPERM: int
-    EX_CONFIG: int
+    EX_USAGE: Final[int]
+    EX_DATAERR: Final[int]
+    EX_NOINPUT: Final[int]
+    EX_NOUSER: Final[int]
+    EX_NOHOST: Final[int]
+    EX_UNAVAILABLE: Final[int]
+    EX_SOFTWARE: Final[int]
+    EX_OSERR: Final[int]
+    EX_OSFILE: Final[int]
+    EX_CANTCREAT: Final[int]
+    EX_IOERR: Final[int]
+    EX_TEMPFAIL: Final[int]
+    EX_PROTOCOL: Final[int]
+    EX_NOPERM: Final[int]
+    EX_CONFIG: Final[int]
 
 # Exists on some Unix platforms, e.g. Solaris.
 if sys.platform != "win32" and sys.platform != "darwin" and sys.platform != "linux":
-    EX_NOTFOUND: int
+    EX_NOTFOUND: Final[int]
 
-P_NOWAIT: int
-P_NOWAITO: int
-P_WAIT: int
+P_NOWAIT: Final[int]
+P_NOWAITO: Final[int]
+P_WAIT: Final[int]
 if sys.platform == "win32":
-    P_DETACH: int
-    P_OVERLAY: int
+    P_DETACH: Final[int]
+    P_OVERLAY: Final[int]
 
 # wait()/waitpid() options
 if sys.platform != "win32":
-    WNOHANG: int  # Unix only
-    WCONTINUED: int  # some Unix systems
-    WUNTRACED: int  # Unix only
+    WNOHANG: Final[int]  # Unix only
+    WCONTINUED: Final[int]  # some Unix systems
+    WUNTRACED: Final[int]  # Unix only
 
-TMP_MAX: int  # Undocumented, but used by tempfile
+TMP_MAX: Final[int]  # Undocumented, but used by tempfile
 
 # ----- os classes (structures) -----
 @final
@@ -1136,11 +1136,11 @@ if sys.platform != "win32":
     def pwritev(fd: int, buffers: SupportsLenAndGetItem[ReadableBuffer], offset: int, flags: int = 0, /) -> int: ...
     if sys.platform != "darwin":
         if sys.version_info >= (3, 10):
-            RWF_APPEND: int  # docs say available on 3.7+, stubtest says otherwise
-        RWF_DSYNC: int
-        RWF_SYNC: int
-        RWF_HIPRI: int
-        RWF_NOWAIT: int
+            RWF_APPEND: Final[int]  # docs say available on 3.7+, stubtest says otherwise
+        RWF_DSYNC: Final[int]
+        RWF_SYNC: Final[int]
+        RWF_HIPRI: Final[int]
+        RWF_NOWAIT: Final[int]
 
     if sys.platform == "linux":
         def sendfile(out_fd: FileDescriptor, in_fd: FileDescriptor, offset: int | None, count: int) -> int: ...
@@ -1499,9 +1499,9 @@ else:
         setsigdef: Iterable[int] = ...,
         scheduler: tuple[Any, sched_param] | None = ...,
     ) -> int: ...
-    POSIX_SPAWN_OPEN: int
-    POSIX_SPAWN_CLOSE: int
-    POSIX_SPAWN_DUP2: int
+    POSIX_SPAWN_OPEN: Final = 0
+    POSIX_SPAWN_CLOSE: Final = 1
+    POSIX_SPAWN_DUP2: Final = 2
 
 if sys.platform != "win32":
     @final
@@ -1565,23 +1565,23 @@ if sys.platform == "win32":
     def add_dll_directory(path: str) -> _AddedDllDirectory: ...
 
 if sys.platform == "linux":
-    MFD_CLOEXEC: int
-    MFD_ALLOW_SEALING: int
-    MFD_HUGETLB: int
-    MFD_HUGE_SHIFT: int
-    MFD_HUGE_MASK: int
-    MFD_HUGE_64KB: int
-    MFD_HUGE_512KB: int
-    MFD_HUGE_1MB: int
-    MFD_HUGE_2MB: int
-    MFD_HUGE_8MB: int
-    MFD_HUGE_16MB: int
-    MFD_HUGE_32MB: int
-    MFD_HUGE_256MB: int
-    MFD_HUGE_512MB: int
-    MFD_HUGE_1GB: int
-    MFD_HUGE_2GB: int
-    MFD_HUGE_16GB: int
+    MFD_CLOEXEC: Final[int]
+    MFD_ALLOW_SEALING: Final[int]
+    MFD_HUGETLB: Final[int]
+    MFD_HUGE_SHIFT: Final[int]
+    MFD_HUGE_MASK: Final[int]
+    MFD_HUGE_64KB: Final[int]
+    MFD_HUGE_512KB: Final[int]
+    MFD_HUGE_1MB: Final[int]
+    MFD_HUGE_2MB: Final[int]
+    MFD_HUGE_8MB: Final[int]
+    MFD_HUGE_16MB: Final[int]
+    MFD_HUGE_32MB: Final[int]
+    MFD_HUGE_256MB: Final[int]
+    MFD_HUGE_512MB: Final[int]
+    MFD_HUGE_1GB: Final[int]
+    MFD_HUGE_2GB: Final[int]
+    MFD_HUGE_16GB: Final[int]
     def memfd_create(name: str, flags: int = ...) -> int: ...
     def copy_file_range(src: int, dst: int, count: int, offset_src: int | None = ..., offset_dst: int | None = ...) -> int: ...
 
@@ -1599,12 +1599,12 @@ if sys.version_info >= (3, 12) and sys.platform == "win32":
     def listvolumes() -> list[str]: ...
 
 if sys.version_info >= (3, 10) and sys.platform == "linux":
-    EFD_CLOEXEC: int
-    EFD_NONBLOCK: int
-    EFD_SEMAPHORE: int
-    SPLICE_F_MORE: int
-    SPLICE_F_MOVE: int
-    SPLICE_F_NONBLOCK: int
+    EFD_CLOEXEC: Final[int]
+    EFD_NONBLOCK: Final[int]
+    EFD_SEMAPHORE: Final[int]
+    SPLICE_F_MORE: Final[int]
+    SPLICE_F_MOVE: Final[int]
+    SPLICE_F_NONBLOCK: Final[int]
     def eventfd(initval: int, flags: int = 524288) -> FileDescriptor: ...
     def eventfd_read(fd: FileDescriptor) -> int: ...
     def eventfd_write(fd: FileDescriptor, value: int) -> None: ...
@@ -1618,20 +1618,20 @@ if sys.version_info >= (3, 10) and sys.platform == "linux":
     ) -> int: ...
 
 if sys.version_info >= (3, 12) and sys.platform == "linux":
-    CLONE_FILES: int
-    CLONE_FS: int
-    CLONE_NEWCGROUP: int  # Linux 4.6+
-    CLONE_NEWIPC: int  # Linux 2.6.19+
-    CLONE_NEWNET: int  # Linux 2.6.24+
-    CLONE_NEWNS: int
-    CLONE_NEWPID: int  # Linux 3.8+
-    CLONE_NEWTIME: int  # Linux 5.6+
-    CLONE_NEWUSER: int  # Linux 3.8+
-    CLONE_NEWUTS: int  # Linux 2.6.19+
-    CLONE_SIGHAND: int
-    CLONE_SYSVSEM: int  # Linux 2.6.26+
-    CLONE_THREAD: int
-    CLONE_VM: int
+    CLONE_FILES: Final[int]
+    CLONE_FS: Final[int]
+    CLONE_NEWCGROUP: Final[int]  # Linux 4.6+
+    CLONE_NEWIPC: Final[int]  # Linux 2.6.19+
+    CLONE_NEWNET: Final[int]  # Linux 2.6.24+
+    CLONE_NEWNS: Final[int]
+    CLONE_NEWPID: Final[int]  # Linux 3.8+
+    CLONE_NEWTIME: Final[int]  # Linux 5.6+
+    CLONE_NEWUSER: Final[int]  # Linux 3.8+
+    CLONE_NEWUTS: Final[int]  # Linux 2.6.19+
+    CLONE_SIGHAND: Final[int]
+    CLONE_SYSVSEM: Final[int]  # Linux 2.6.26+
+    CLONE_THREAD: Final[int]
+    CLONE_VM: Final[int]
     def unshare(flags: int) -> None: ...
     def setns(fd: FileDescriptorLike, nstype: int = 0) -> None: ...
 
diff --git a/stdlib/ossaudiodev.pyi b/stdlib/ossaudiodev.pyi
index b9ee3edab033..f8230b4f0212 100644
--- a/stdlib/ossaudiodev.pyi
+++ b/stdlib/ossaudiodev.pyi
@@ -1,119 +1,120 @@
 import sys
-from typing import Any, Literal, overload
+from typing import Any, Final, Literal, overload
 
 if sys.platform != "win32" and sys.platform != "darwin":
-    AFMT_AC3: int
-    AFMT_A_LAW: int
-    AFMT_IMA_ADPCM: int
-    AFMT_MPEG: int
-    AFMT_MU_LAW: int
-    AFMT_QUERY: int
-    AFMT_S16_BE: int
-    AFMT_S16_LE: int
-    AFMT_S16_NE: int
-    AFMT_S8: int
-    AFMT_U16_BE: int
-    AFMT_U16_LE: int
-    AFMT_U8: int
-    SNDCTL_COPR_HALT: int
-    SNDCTL_COPR_LOAD: int
-    SNDCTL_COPR_RCODE: int
-    SNDCTL_COPR_RCVMSG: int
-    SNDCTL_COPR_RDATA: int
-    SNDCTL_COPR_RESET: int
-    SNDCTL_COPR_RUN: int
-    SNDCTL_COPR_SENDMSG: int
-    SNDCTL_COPR_WCODE: int
-    SNDCTL_COPR_WDATA: int
-    SNDCTL_DSP_BIND_CHANNEL: int
-    SNDCTL_DSP_CHANNELS: int
-    SNDCTL_DSP_GETBLKSIZE: int
-    SNDCTL_DSP_GETCAPS: int
-    SNDCTL_DSP_GETCHANNELMASK: int
-    SNDCTL_DSP_GETFMTS: int
-    SNDCTL_DSP_GETIPTR: int
-    SNDCTL_DSP_GETISPACE: int
-    SNDCTL_DSP_GETODELAY: int
-    SNDCTL_DSP_GETOPTR: int
-    SNDCTL_DSP_GETOSPACE: int
-    SNDCTL_DSP_GETSPDIF: int
-    SNDCTL_DSP_GETTRIGGER: int
-    SNDCTL_DSP_MAPINBUF: int
-    SNDCTL_DSP_MAPOUTBUF: int
-    SNDCTL_DSP_NONBLOCK: int
-    SNDCTL_DSP_POST: int
-    SNDCTL_DSP_PROFILE: int
-    SNDCTL_DSP_RESET: int
-    SNDCTL_DSP_SAMPLESIZE: int
-    SNDCTL_DSP_SETDUPLEX: int
-    SNDCTL_DSP_SETFMT: int
-    SNDCTL_DSP_SETFRAGMENT: int
-    SNDCTL_DSP_SETSPDIF: int
-    SNDCTL_DSP_SETSYNCRO: int
-    SNDCTL_DSP_SETTRIGGER: int
-    SNDCTL_DSP_SPEED: int
-    SNDCTL_DSP_STEREO: int
-    SNDCTL_DSP_SUBDIVIDE: int
-    SNDCTL_DSP_SYNC: int
-    SNDCTL_FM_4OP_ENABLE: int
-    SNDCTL_FM_LOAD_INSTR: int
-    SNDCTL_MIDI_INFO: int
-    SNDCTL_MIDI_MPUCMD: int
-    SNDCTL_MIDI_MPUMODE: int
-    SNDCTL_MIDI_PRETIME: int
-    SNDCTL_SEQ_CTRLRATE: int
-    SNDCTL_SEQ_GETINCOUNT: int
-    SNDCTL_SEQ_GETOUTCOUNT: int
-    SNDCTL_SEQ_GETTIME: int
-    SNDCTL_SEQ_NRMIDIS: int
-    SNDCTL_SEQ_NRSYNTHS: int
-    SNDCTL_SEQ_OUTOFBAND: int
-    SNDCTL_SEQ_PANIC: int
-    SNDCTL_SEQ_PERCMODE: int
-    SNDCTL_SEQ_RESET: int
-    SNDCTL_SEQ_RESETSAMPLES: int
-    SNDCTL_SEQ_SYNC: int
-    SNDCTL_SEQ_TESTMIDI: int
-    SNDCTL_SEQ_THRESHOLD: int
-    SNDCTL_SYNTH_CONTROL: int
-    SNDCTL_SYNTH_ID: int
-    SNDCTL_SYNTH_INFO: int
-    SNDCTL_SYNTH_MEMAVL: int
-    SNDCTL_SYNTH_REMOVESAMPLE: int
-    SNDCTL_TMR_CONTINUE: int
-    SNDCTL_TMR_METRONOME: int
-    SNDCTL_TMR_SELECT: int
-    SNDCTL_TMR_SOURCE: int
-    SNDCTL_TMR_START: int
-    SNDCTL_TMR_STOP: int
-    SNDCTL_TMR_TEMPO: int
-    SNDCTL_TMR_TIMEBASE: int
-    SOUND_MIXER_ALTPCM: int
-    SOUND_MIXER_BASS: int
-    SOUND_MIXER_CD: int
-    SOUND_MIXER_DIGITAL1: int
-    SOUND_MIXER_DIGITAL2: int
-    SOUND_MIXER_DIGITAL3: int
-    SOUND_MIXER_IGAIN: int
-    SOUND_MIXER_IMIX: int
-    SOUND_MIXER_LINE: int
-    SOUND_MIXER_LINE1: int
-    SOUND_MIXER_LINE2: int
-    SOUND_MIXER_LINE3: int
-    SOUND_MIXER_MIC: int
-    SOUND_MIXER_MONITOR: int
-    SOUND_MIXER_NRDEVICES: int
-    SOUND_MIXER_OGAIN: int
-    SOUND_MIXER_PCM: int
-    SOUND_MIXER_PHONEIN: int
-    SOUND_MIXER_PHONEOUT: int
-    SOUND_MIXER_RADIO: int
-    SOUND_MIXER_RECLEV: int
-    SOUND_MIXER_SPEAKER: int
-    SOUND_MIXER_SYNTH: int
-    SOUND_MIXER_TREBLE: int
-    SOUND_MIXER_VIDEO: int
-    SOUND_MIXER_VOLUME: int
+    # Depends on soundcard.h
+    AFMT_AC3: Final[int]
+    AFMT_A_LAW: Final[int]
+    AFMT_IMA_ADPCM: Final[int]
+    AFMT_MPEG: Final[int]
+    AFMT_MU_LAW: Final[int]
+    AFMT_QUERY: Final[int]
+    AFMT_S16_BE: Final[int]
+    AFMT_S16_LE: Final[int]
+    AFMT_S16_NE: Final[int]
+    AFMT_S8: Final[int]
+    AFMT_U16_BE: Final[int]
+    AFMT_U16_LE: Final[int]
+    AFMT_U8: Final[int]
+    SNDCTL_COPR_HALT: Final[int]
+    SNDCTL_COPR_LOAD: Final[int]
+    SNDCTL_COPR_RCODE: Final[int]
+    SNDCTL_COPR_RCVMSG: Final[int]
+    SNDCTL_COPR_RDATA: Final[int]
+    SNDCTL_COPR_RESET: Final[int]
+    SNDCTL_COPR_RUN: Final[int]
+    SNDCTL_COPR_SENDMSG: Final[int]
+    SNDCTL_COPR_WCODE: Final[int]
+    SNDCTL_COPR_WDATA: Final[int]
+    SNDCTL_DSP_BIND_CHANNEL: Final[int]
+    SNDCTL_DSP_CHANNELS: Final[int]
+    SNDCTL_DSP_GETBLKSIZE: Final[int]
+    SNDCTL_DSP_GETCAPS: Final[int]
+    SNDCTL_DSP_GETCHANNELMASK: Final[int]
+    SNDCTL_DSP_GETFMTS: Final[int]
+    SNDCTL_DSP_GETIPTR: Final[int]
+    SNDCTL_DSP_GETISPACE: Final[int]
+    SNDCTL_DSP_GETODELAY: Final[int]
+    SNDCTL_DSP_GETOPTR: Final[int]
+    SNDCTL_DSP_GETOSPACE: Final[int]
+    SNDCTL_DSP_GETSPDIF: Final[int]
+    SNDCTL_DSP_GETTRIGGER: Final[int]
+    SNDCTL_DSP_MAPINBUF: Final[int]
+    SNDCTL_DSP_MAPOUTBUF: Final[int]
+    SNDCTL_DSP_NONBLOCK: Final[int]
+    SNDCTL_DSP_POST: Final[int]
+    SNDCTL_DSP_PROFILE: Final[int]
+    SNDCTL_DSP_RESET: Final[int]
+    SNDCTL_DSP_SAMPLESIZE: Final[int]
+    SNDCTL_DSP_SETDUPLEX: Final[int]
+    SNDCTL_DSP_SETFMT: Final[int]
+    SNDCTL_DSP_SETFRAGMENT: Final[int]
+    SNDCTL_DSP_SETSPDIF: Final[int]
+    SNDCTL_DSP_SETSYNCRO: Final[int]
+    SNDCTL_DSP_SETTRIGGER: Final[int]
+    SNDCTL_DSP_SPEED: Final[int]
+    SNDCTL_DSP_STEREO: Final[int]
+    SNDCTL_DSP_SUBDIVIDE: Final[int]
+    SNDCTL_DSP_SYNC: Final[int]
+    SNDCTL_FM_4OP_ENABLE: Final[int]
+    SNDCTL_FM_LOAD_INSTR: Final[int]
+    SNDCTL_MIDI_INFO: Final[int]
+    SNDCTL_MIDI_MPUCMD: Final[int]
+    SNDCTL_MIDI_MPUMODE: Final[int]
+    SNDCTL_MIDI_PRETIME: Final[int]
+    SNDCTL_SEQ_CTRLRATE: Final[int]
+    SNDCTL_SEQ_GETINCOUNT: Final[int]
+    SNDCTL_SEQ_GETOUTCOUNT: Final[int]
+    SNDCTL_SEQ_GETTIME: Final[int]
+    SNDCTL_SEQ_NRMIDIS: Final[int]
+    SNDCTL_SEQ_NRSYNTHS: Final[int]
+    SNDCTL_SEQ_OUTOFBAND: Final[int]
+    SNDCTL_SEQ_PANIC: Final[int]
+    SNDCTL_SEQ_PERCMODE: Final[int]
+    SNDCTL_SEQ_RESET: Final[int]
+    SNDCTL_SEQ_RESETSAMPLES: Final[int]
+    SNDCTL_SEQ_SYNC: Final[int]
+    SNDCTL_SEQ_TESTMIDI: Final[int]
+    SNDCTL_SEQ_THRESHOLD: Final[int]
+    SNDCTL_SYNTH_CONTROL: Final[int]
+    SNDCTL_SYNTH_ID: Final[int]
+    SNDCTL_SYNTH_INFO: Final[int]
+    SNDCTL_SYNTH_MEMAVL: Final[int]
+    SNDCTL_SYNTH_REMOVESAMPLE: Final[int]
+    SNDCTL_TMR_CONTINUE: Final[int]
+    SNDCTL_TMR_METRONOME: Final[int]
+    SNDCTL_TMR_SELECT: Final[int]
+    SNDCTL_TMR_SOURCE: Final[int]
+    SNDCTL_TMR_START: Final[int]
+    SNDCTL_TMR_STOP: Final[int]
+    SNDCTL_TMR_TEMPO: Final[int]
+    SNDCTL_TMR_TIMEBASE: Final[int]
+    SOUND_MIXER_ALTPCM: Final[int]
+    SOUND_MIXER_BASS: Final[int]
+    SOUND_MIXER_CD: Final[int]
+    SOUND_MIXER_DIGITAL1: Final[int]
+    SOUND_MIXER_DIGITAL2: Final[int]
+    SOUND_MIXER_DIGITAL3: Final[int]
+    SOUND_MIXER_IGAIN: Final[int]
+    SOUND_MIXER_IMIX: Final[int]
+    SOUND_MIXER_LINE: Final[int]
+    SOUND_MIXER_LINE1: Final[int]
+    SOUND_MIXER_LINE2: Final[int]
+    SOUND_MIXER_LINE3: Final[int]
+    SOUND_MIXER_MIC: Final[int]
+    SOUND_MIXER_MONITOR: Final[int]
+    SOUND_MIXER_NRDEVICES: Final[int]
+    SOUND_MIXER_OGAIN: Final[int]
+    SOUND_MIXER_PCM: Final[int]
+    SOUND_MIXER_PHONEIN: Final[int]
+    SOUND_MIXER_PHONEOUT: Final[int]
+    SOUND_MIXER_RADIO: Final[int]
+    SOUND_MIXER_RECLEV: Final[int]
+    SOUND_MIXER_SPEAKER: Final[int]
+    SOUND_MIXER_SYNTH: Final[int]
+    SOUND_MIXER_TREBLE: Final[int]
+    SOUND_MIXER_VIDEO: Final[int]
+    SOUND_MIXER_VOLUME: Final[int]
 
     control_labels: list[str]
     control_names: list[str]
diff --git a/stdlib/pdb.pyi b/stdlib/pdb.pyi
index ad69fcab16de..fb6c486abb39 100644
--- a/stdlib/pdb.pyi
+++ b/stdlib/pdb.pyi
@@ -17,7 +17,7 @@ _T = TypeVar("_T")
 _P = ParamSpec("_P")
 _Mode: TypeAlias = Literal["inline", "cli"]
 
-line_prefix: str  # undocumented
+line_prefix: Final[str]  # undocumented
 
 class Restart(Exception): ...
 
diff --git a/stdlib/pickle.pyi b/stdlib/pickle.pyi
index 2d80d61645e0..d94fe208f446 100644
--- a/stdlib/pickle.pyi
+++ b/stdlib/pickle.pyi
@@ -14,7 +14,7 @@ from _pickle import (
 )
 from _typeshed import ReadableBuffer, SupportsWrite
 from collections.abc import Callable, Iterable, Mapping
-from typing import Any, ClassVar, SupportsBytes, SupportsIndex, final
+from typing import Any, ClassVar, Final, SupportsBytes, SupportsIndex, final
 from typing_extensions import Self
 
 __all__ = [
@@ -102,8 +102,8 @@ __all__ = [
     "UNICODE",
 ]
 
-HIGHEST_PROTOCOL: int
-DEFAULT_PROTOCOL: int
+HIGHEST_PROTOCOL: Final = 5
+DEFAULT_PROTOCOL: Final = 5
 
 bytes_types: tuple[type[Any], ...]  # undocumented
 
@@ -115,85 +115,85 @@ class PickleBuffer:
     def __buffer__(self, flags: int, /) -> memoryview: ...
     def __release_buffer__(self, buffer: memoryview, /) -> None: ...
 
-MARK: bytes
-STOP: bytes
-POP: bytes
-POP_MARK: bytes
-DUP: bytes
-FLOAT: bytes
-INT: bytes
-BININT: bytes
-BININT1: bytes
-LONG: bytes
-BININT2: bytes
-NONE: bytes
-PERSID: bytes
-BINPERSID: bytes
-REDUCE: bytes
-STRING: bytes
-BINSTRING: bytes
-SHORT_BINSTRING: bytes
-UNICODE: bytes
-BINUNICODE: bytes
-APPEND: bytes
-BUILD: bytes
-GLOBAL: bytes
-DICT: bytes
-EMPTY_DICT: bytes
-APPENDS: bytes
-GET: bytes
-BINGET: bytes
-INST: bytes
-LONG_BINGET: bytes
-LIST: bytes
-EMPTY_LIST: bytes
-OBJ: bytes
-PUT: bytes
-BINPUT: bytes
-LONG_BINPUT: bytes
-SETITEM: bytes
-TUPLE: bytes
-EMPTY_TUPLE: bytes
-SETITEMS: bytes
-BINFLOAT: bytes
+MARK: Final = b"("
+STOP: Final = b"."
+POP: Final = b"0"
+POP_MARK: Final = b"1"
+DUP: Final = b"2"
+FLOAT: Final = b"F"
+INT: Final = b"I"
+BININT: Final = b"J"
+BININT1: Final = b"K"
+LONG: Final = b"L"
+BININT2: Final = b"M"
+NONE: Final = b"N"
+PERSID: Final = b"P"
+BINPERSID: Final = b"Q"
+REDUCE: Final = b"R"
+STRING: Final = b"S"
+BINSTRING: Final = b"T"
+SHORT_BINSTRING: Final = b"U"
+UNICODE: Final = b"V"
+BINUNICODE: Final = b"X"
+APPEND: Final = b"a"
+BUILD: Final = b"b"
+GLOBAL: Final = b"c"
+DICT: Final = b"d"
+EMPTY_DICT: Final = b"}"
+APPENDS: Final = b"e"
+GET: Final = b"g"
+BINGET: Final = b"h"
+INST: Final = b"i"
+LONG_BINGET: Final = b"j"
+LIST: Final = b"l"
+EMPTY_LIST: Final = b"]"
+OBJ: Final = b"o"
+PUT: Final = b"p"
+BINPUT: Final = b"q"
+LONG_BINPUT: Final = b"r"
+SETITEM: Final = b"s"
+TUPLE: Final = b"t"
+EMPTY_TUPLE: Final = b")"
+SETITEMS: Final = b"u"
+BINFLOAT: Final = b"G"
 
-TRUE: bytes
-FALSE: bytes
+TRUE: Final = b"I01\n"
+FALSE: Final = b"I00\n"
 
 # protocol 2
-PROTO: bytes
-NEWOBJ: bytes
-EXT1: bytes
-EXT2: bytes
-EXT4: bytes
-TUPLE1: bytes
-TUPLE2: bytes
-TUPLE3: bytes
-NEWTRUE: bytes
-NEWFALSE: bytes
-LONG1: bytes
-LONG4: bytes
+PROTO: Final = b"\x80"
+NEWOBJ: Final = b"\x81"
+EXT1: Final = b"\x82"
+EXT2: Final = b"\x83"
+EXT4: Final = b"\x84"
+TUPLE1: Final = b"\x85"
+TUPLE2: Final = b"\x86"
+TUPLE3: Final = b"\x87"
+NEWTRUE: Final = b"\x88"
+NEWFALSE: Final = b"\x89"
+LONG1: Final = b"\x8a"
+LONG4: Final = b"\x8b"
 
 # protocol 3
-BINBYTES: bytes
-SHORT_BINBYTES: bytes
+BINBYTES: Final = b"B"
+SHORT_BINBYTES: Final = b"C"
 
 # protocol 4
-SHORT_BINUNICODE: bytes
-BINUNICODE8: bytes
-BINBYTES8: bytes
-EMPTY_SET: bytes
-ADDITEMS: bytes
-FROZENSET: bytes
-NEWOBJ_EX: bytes
-STACK_GLOBAL: bytes
-MEMOIZE: bytes
-FRAME: bytes
+SHORT_BINUNICODE: Final = b"\x8c"
+BINUNICODE8: Final = b"\x8d"
+BINBYTES8: Final = b"\x8e"
+EMPTY_SET: Final = b"\x8f"
+ADDITEMS: Final = b"\x90"
+FROZENSET: Final = b"\x91"
+NEWOBJ_EX: Final = b"\x92"
+STACK_GLOBAL: Final = b"\x93"
+MEMOIZE: Final = b"\x94"
+FRAME: Final = b"\x95"
 
 # protocol 5
-BYTEARRAY8: bytes
-NEXT_BUFFER: bytes
-READONLY_BUFFER: bytes
+BYTEARRAY8: Final = b"\x96"
+NEXT_BUFFER: Final = b"\x97"
+READONLY_BUFFER: Final = b"\x98"
 
 def encode_long(x: int) -> bytes: ...  # undocumented
 def decode_long(data: Iterable[SupportsIndex] | SupportsBytes | ReadableBuffer) -> int: ...  # undocumented
diff --git a/stdlib/pickletools.pyi b/stdlib/pickletools.pyi
index cdade08d39a8..23e9cbaa2c20 100644
--- a/stdlib/pickletools.pyi
+++ b/stdlib/pickletools.pyi
@@ -1,6 +1,6 @@
 import sys
 from collections.abc import Callable, Iterator, MutableMapping
-from typing import IO, Any
+from typing import IO, Any, Final
 from typing_extensions import TypeAlias
 
 __all__ = ["dis", "genops", "optimize"]
@@ -8,11 +8,11 @@ __all__ = ["dis", "genops", "optimize"]
 _Reader: TypeAlias = Callable[[IO[bytes]], Any]
 bytes_types: tuple[type[Any], ...]
 
-UP_TO_NEWLINE: int
-TAKEN_FROM_ARGUMENT1: int
-TAKEN_FROM_ARGUMENT4: int
-TAKEN_FROM_ARGUMENT4U: int
-TAKEN_FROM_ARGUMENT8U: int
+UP_TO_NEWLINE: Final = -1
+TAKEN_FROM_ARGUMENT1: Final = -2
+TAKEN_FROM_ARGUMENT4: Final = -3
+TAKEN_FROM_ARGUMENT4U: Final = -4
+TAKEN_FROM_ARGUMENT8U: Final = -5
 
 class ArgumentDescriptor:
     name: str
diff --git a/stdlib/plistlib.pyi b/stdlib/plistlib.pyi
index 8b39b4217eae..dc3247ee47fb 100644
--- a/stdlib/plistlib.pyi
+++ b/stdlib/plistlib.pyi
@@ -3,7 +3,7 @@ from _typeshed import ReadableBuffer
 from collections.abc import Mapping, MutableMapping
 from datetime import datetime
 from enum import Enum
-from typing import IO, Any
+from typing import IO, Any, Final
 from typing_extensions import Self
 
 __all__ = ["InvalidFileException", "FMT_XML", "FMT_BINARY", "load", "dump", "loads", "dumps", "UID"]
@@ -12,8 +12,8 @@ class PlistFormat(Enum):
     FMT_XML = 1
     FMT_BINARY = 2
 
-FMT_XML = PlistFormat.FMT_XML
-FMT_BINARY = PlistFormat.FMT_BINARY
+FMT_XML: Final = PlistFormat.FMT_XML
+FMT_BINARY: Final = PlistFormat.FMT_BINARY
 if sys.version_info >= (3, 13):
     def load(
         fp: IO[bytes],
diff --git a/stdlib/poplib.pyi b/stdlib/poplib.pyi
index a1e41be86a7f..9ff2b764aeb6 100644
--- a/stdlib/poplib.pyi
+++ b/stdlib/poplib.pyi
@@ -17,7 +17,7 @@ POP3_SSL_PORT: Final = 995
 CR: Final = b"\r"
 LF: Final = b"\n"
 CRLF: Final = b"\r\n"
-HAVE_SSL: bool
+HAVE_SSL: Final[bool]
 
 class POP3:
     encoding: str
diff --git a/stdlib/pydoc_data/topics.pyi b/stdlib/pydoc_data/topics.pyi
index 091d34300106..ce907a41c005 100644
--- a/stdlib/pydoc_data/topics.pyi
+++ b/stdlib/pydoc_data/topics.pyi
@@ -1 +1,3 @@
-topics: dict[str, str]
+from typing import Final
+
+topics: Final[dict[str, str]]
diff --git a/stdlib/resource.pyi b/stdlib/resource.pyi
index 5e468c2cead5..f99cd5b08805 100644
--- a/stdlib/resource.pyi
+++ b/stdlib/resource.pyi
@@ -3,27 +3,28 @@ from _typeshed import structseq
 from typing import Final, final
 
 if sys.platform != "win32":
-    RLIMIT_AS: int
-    RLIMIT_CORE: int
-    RLIMIT_CPU: int
-    RLIMIT_DATA: int
-    RLIMIT_FSIZE: int
-    RLIMIT_MEMLOCK: int
-    RLIMIT_NOFILE: int
-    RLIMIT_NPROC: int
-    RLIMIT_RSS: int
-    RLIMIT_STACK: int
-    RLIM_INFINITY: int
-    RUSAGE_CHILDREN: int
-    RUSAGE_SELF: int
+    # Depends on resource.h
+    RLIMIT_AS: Final[int]
+    RLIMIT_CORE: Final[int]
+    RLIMIT_CPU: Final[int]
+    RLIMIT_DATA: Final[int]
+    RLIMIT_FSIZE: Final[int]
+    RLIMIT_MEMLOCK: Final[int]
+    RLIMIT_NOFILE: Final[int]
+    RLIMIT_NPROC: Final[int]
+    RLIMIT_RSS: Final[int]
+    RLIMIT_STACK: Final[int]
+    RLIM_INFINITY: Final[int]
+    RUSAGE_CHILDREN: Final[int]
+    RUSAGE_SELF: Final[int]
     if sys.platform == "linux":
-        RLIMIT_MSGQUEUE: int
-        RLIMIT_NICE: int
-        RLIMIT_OFILE: int
-        RLIMIT_RTPRIO: int
-        RLIMIT_RTTIME: int
-        RLIMIT_SIGPENDING: int
-        RUSAGE_THREAD: int
+        RLIMIT_MSGQUEUE: Final[int]
+        RLIMIT_NICE: Final[int]
+        RLIMIT_OFILE: Final[int]
+        RLIMIT_RTPRIO: Final[int]
+        RLIMIT_RTTIME: Final[int]
+        RLIMIT_SIGPENDING: Final[int]
+        RUSAGE_THREAD: Final[int]
 
     @final
     class struct_rusage(
diff --git a/stdlib/select.pyi b/stdlib/select.pyi
index 023547390273..be8a7a7ab8b9 100644
--- a/stdlib/select.pyi
+++ b/stdlib/select.pyi
@@ -2,25 +2,25 @@ import sys
 from _typeshed import FileDescriptorLike
 from collections.abc import Iterable
 from types import TracebackType
-from typing import Any, ClassVar, final
+from typing import Any, ClassVar, Final, final
 from typing_extensions import Self
 
 if sys.platform != "win32":
-    PIPE_BUF: int
-    POLLERR: int
-    POLLHUP: int
-    POLLIN: int
+    PIPE_BUF: Final[int]
+    POLLERR: Final[int]
+    POLLHUP: Final[int]
+    POLLIN: Final[int]
     if sys.platform == "linux":
-        POLLMSG: int
-    POLLNVAL: int
-    POLLOUT: int
-    POLLPRI: int
-    POLLRDBAND: int
+        POLLMSG: Final[int]
+    POLLNVAL: Final[int]
+    POLLOUT: Final[int]
+    POLLPRI: Final[int]
+    POLLRDBAND: Final[int]
     if sys.platform == "linux":
-        POLLRDHUP: int
-    POLLRDNORM: int
-    POLLWRBAND: int
-    POLLWRNORM: int
+        POLLRDHUP: Final[int]
+    POLLRDNORM: Final[int]
+    POLLWRBAND: Final[int]
+    POLLWRNORM: Final[int]
 
     # This is actually a function that returns an instance of a class.
     # The class is not accessible directly, and also calls itself select.poll.
@@ -71,45 +71,45 @@ if sys.platform != "linux" and sys.platform != "win32":
         @classmethod
         def fromfd(cls, fd: FileDescriptorLike, /) -> kqueue: ...
 
-    KQ_EV_ADD: int
-    KQ_EV_CLEAR: int
-    KQ_EV_DELETE: int
-    KQ_EV_DISABLE: int
-    KQ_EV_ENABLE: int
-    KQ_EV_EOF: int
-    KQ_EV_ERROR: int
-    KQ_EV_FLAG1: int
-    KQ_EV_ONESHOT: int
-    KQ_EV_SYSFLAGS: int
-    KQ_FILTER_AIO: int
+    KQ_EV_ADD: Final[int]
+    KQ_EV_CLEAR: Final[int]
+    KQ_EV_DELETE: Final[int]
+    KQ_EV_DISABLE: Final[int]
+    KQ_EV_ENABLE: Final[int]
+    KQ_EV_EOF: Final[int]
+    KQ_EV_ERROR: Final[int]
+    KQ_EV_FLAG1: Final[int]
+    KQ_EV_ONESHOT: Final[int]
+    KQ_EV_SYSFLAGS: Final[int]
+    KQ_FILTER_AIO: Final[int]
     if sys.platform != "darwin":
-        KQ_FILTER_NETDEV: int
-    KQ_FILTER_PROC: int
-    KQ_FILTER_READ: int
-    KQ_FILTER_SIGNAL: int
-    KQ_FILTER_TIMER: int
-    KQ_FILTER_VNODE: int
-    KQ_FILTER_WRITE: int
-    KQ_NOTE_ATTRIB: int
-    KQ_NOTE_CHILD: int
-    KQ_NOTE_DELETE: int
-    KQ_NOTE_EXEC: int
-    KQ_NOTE_EXIT: int
-    KQ_NOTE_EXTEND: int
-    KQ_NOTE_FORK: int
-    KQ_NOTE_LINK: int
+        KQ_FILTER_NETDEV: Final[int]
+    KQ_FILTER_PROC: Final[int]
+    KQ_FILTER_READ: Final[int]
+    KQ_FILTER_SIGNAL: Final[int]
+    KQ_FILTER_TIMER: Final[int]
+    KQ_FILTER_VNODE: Final[int]
+    KQ_FILTER_WRITE: Final[int]
+    KQ_NOTE_ATTRIB: Final[int]
+    KQ_NOTE_CHILD: Final[int]
+    KQ_NOTE_DELETE: Final[int]
+    KQ_NOTE_EXEC: Final[int]
+    KQ_NOTE_EXIT: Final[int]
+    KQ_NOTE_EXTEND: Final[int]
+    KQ_NOTE_FORK: Final[int]
+    KQ_NOTE_LINK: Final[int]
     if sys.platform != "darwin":
-        KQ_NOTE_LINKDOWN: int
-        KQ_NOTE_LINKINV: int
-        KQ_NOTE_LINKUP: int
-    KQ_NOTE_LOWAT: int
-    KQ_NOTE_PCTRLMASK: int
-    KQ_NOTE_PDATAMASK: int
-    KQ_NOTE_RENAME: int
-    KQ_NOTE_REVOKE: int
-    KQ_NOTE_TRACK: int
-    KQ_NOTE_TRACKERR: int
-    KQ_NOTE_WRITE: int
+        KQ_NOTE_LINKDOWN: Final[int]
+        KQ_NOTE_LINKINV: Final[int]
+        KQ_NOTE_LINKUP: Final[int]
+    KQ_NOTE_LOWAT: Final[int]
+    KQ_NOTE_PCTRLMASK: Final[int]
+    KQ_NOTE_PDATAMASK: Final[int]
+    KQ_NOTE_RENAME: Final[int]
+    KQ_NOTE_REVOKE: Final[int]
+    KQ_NOTE_TRACK: Final[int]
+    KQ_NOTE_TRACKERR: Final[int]
+    KQ_NOTE_WRITE: Final[int]
 
 if sys.platform == "linux":
     @final
@@ -133,23 +133,23 @@ if sys.platform == "linux":
         @classmethod
         def fromfd(cls, fd: FileDescriptorLike, /) -> epoll: ...
 
-    EPOLLERR: int
-    EPOLLEXCLUSIVE: int
-    EPOLLET: int
-    EPOLLHUP: int
-    EPOLLIN: int
-    EPOLLMSG: int
-    EPOLLONESHOT: int
-    EPOLLOUT: int
-    EPOLLPRI: int
-    EPOLLRDBAND: int
-    EPOLLRDHUP: int
-    EPOLLRDNORM: int
-    EPOLLWRBAND: int
-    EPOLLWRNORM: int
-    EPOLL_CLOEXEC: int
+    EPOLLERR: Final[int]
+    EPOLLEXCLUSIVE: Final[int]
+    EPOLLET: Final[int]
+    EPOLLHUP: Final[int]
+    EPOLLIN: Final[int]
+    EPOLLMSG: Final[int]
+    EPOLLONESHOT: Final[int]
+    EPOLLOUT: Final[int]
+    EPOLLPRI: Final[int]
+    EPOLLRDBAND: Final[int]
+    EPOLLRDHUP: Final[int]
+    EPOLLRDNORM: Final[int]
+    EPOLLWRBAND: Final[int]
+    EPOLLWRNORM: Final[int]
+    EPOLL_CLOEXEC: Final[int]
     if sys.version_info >= (3, 14):
-        EPOLLWAKEUP: int
+        EPOLLWAKEUP: Final[int]
 
 if sys.platform != "linux" and sys.platform != "darwin" and sys.platform != "win32":
     # Solaris only
diff --git a/stdlib/selectors.pyi b/stdlib/selectors.pyi
index 0ba843a403d8..bcca4e341b9a 100644
--- a/stdlib/selectors.pyi
+++ b/stdlib/selectors.pyi
@@ -2,13 +2,13 @@ import sys
 from _typeshed import FileDescriptor, FileDescriptorLike, Unused
 from abc import ABCMeta, abstractmethod
 from collections.abc import Mapping
-from typing import Any, NamedTuple
+from typing import Any, Final, NamedTuple
 from typing_extensions import Self, TypeAlias
 
 _EventMask: TypeAlias = int
 
-EVENT_READ: _EventMask
-EVENT_WRITE: _EventMask
+EVENT_READ: Final = 1
+EVENT_WRITE: Final = 2
 
 class SelectorKey(NamedTuple):
     fileobj: FileDescriptorLike
diff --git a/stdlib/smtplib.pyi b/stdlib/smtplib.pyi
index 3d392c047993..6a8467689367 100644
--- a/stdlib/smtplib.pyi
+++ b/stdlib/smtplib.pyi
@@ -7,7 +7,7 @@ from re import Pattern
 from socket import socket
 from ssl import SSLContext
 from types import TracebackType
-from typing import Any, Protocol, overload, type_check_only
+from typing import Any, Final, Protocol, overload, type_check_only
 from typing_extensions import Self, TypeAlias
 
 __all__ = [
@@ -30,12 +30,12 @@ __all__ = [
 _Reply: TypeAlias = tuple[int, bytes]
 _SendErrs: TypeAlias = dict[str, _Reply]
 
-SMTP_PORT: int
-SMTP_SSL_PORT: int
-CRLF: str
-bCRLF: bytes
+SMTP_PORT: Final = 25
+SMTP_SSL_PORT: Final = 465
+CRLF: Final[str]
+bCRLF: Final[bytes]
 
-OLDSTYLE_AUTH: Pattern[str]
+OLDSTYLE_AUTH: Final[Pattern[str]]
 
 class SMTPException(OSError): ...
 class SMTPNotSupportedError(SMTPException): ...
@@ -182,7 +182,7 @@ class SMTP_SSL(SMTP):
             context: SSLContext | None = None,
         ) -> None: ...
 
-LMTP_PORT: int
+LMTP_PORT: Final = 2003
 
 class LMTP(SMTP):
     def __init__(
diff --git a/stdlib/socket.pyi b/stdlib/socket.pyi
index d62f4c228151..f1fdc9097e4a 100644
--- a/stdlib/socket.pyi
+++ b/stdlib/socket.pyi
@@ -136,7 +136,7 @@ from _typeshed import ReadableBuffer, Unused, WriteableBuffer
 from collections.abc import Iterable
 from enum import IntEnum, IntFlag
 from io import BufferedReader, BufferedRWPair, BufferedWriter, IOBase, RawIOBase, TextIOWrapper
-from typing import Any, Literal, Protocol, SupportsIndex, overload, type_check_only
+from typing import Any, Final, Literal, Protocol, SupportsIndex, overload, type_check_only
 from typing_extensions import Self
 
 __all__ = [
@@ -1059,9 +1059,9 @@ if sys.version_info >= (3, 14):
         __all__ += ["IP_FREEBIND", "IP_RECVORIGDSTADDR", "VMADDR_CID_LOCAL"]
 
 # Re-exported from errno
-EBADF: int
-EAGAIN: int
-EWOULDBLOCK: int
+EBADF: Final[int]
+EAGAIN: Final[int]
+EWOULDBLOCK: Final[int]
 
 # These errors are implemented in _socket at runtime
 # but they consider themselves to live in socket so we'll put them here.
@@ -1124,60 +1124,60 @@ class AddressFamily(IntEnum):
         # FreeBSD >= 14.0
         AF_DIVERT = 44
 
-AF_INET = AddressFamily.AF_INET
-AF_INET6 = AddressFamily.AF_INET6
-AF_APPLETALK = AddressFamily.AF_APPLETALK
-AF_DECnet: Literal[12]
-AF_IPX = AddressFamily.AF_IPX
-AF_SNA = AddressFamily.AF_SNA
-AF_UNSPEC = AddressFamily.AF_UNSPEC
+AF_INET: Final = AddressFamily.AF_INET
+AF_INET6: Final = AddressFamily.AF_INET6
+AF_APPLETALK: Final = AddressFamily.AF_APPLETALK
+AF_DECnet: Final = 12
+AF_IPX: Final = AddressFamily.AF_IPX
+AF_SNA: Final = AddressFamily.AF_SNA
+AF_UNSPEC: Final = AddressFamily.AF_UNSPEC
 
 if sys.platform != "darwin":
-    AF_IRDA = AddressFamily.AF_IRDA
+    AF_IRDA: Final = AddressFamily.AF_IRDA
 
 if sys.platform != "win32":
-    AF_ROUTE = AddressFamily.AF_ROUTE
-    AF_UNIX = AddressFamily.AF_UNIX
+    AF_ROUTE: Final = AddressFamily.AF_ROUTE
+    AF_UNIX: Final = AddressFamily.AF_UNIX
 
 if sys.platform == "darwin":
-    AF_SYSTEM = AddressFamily.AF_SYSTEM
+    AF_SYSTEM: Final = AddressFamily.AF_SYSTEM
 
 if sys.platform != "win32" and sys.platform != "darwin":
-    AF_ASH = AddressFamily.AF_ASH
-    AF_ATMPVC = AddressFamily.AF_ATMPVC
-    AF_ATMSVC = AddressFamily.AF_ATMSVC
-    AF_AX25 = AddressFamily.AF_AX25
-    AF_BRIDGE = AddressFamily.AF_BRIDGE
-    AF_ECONET = AddressFamily.AF_ECONET
-    AF_KEY = AddressFamily.AF_KEY
-    AF_LLC = AddressFamily.AF_LLC
-    AF_NETBEUI = AddressFamily.AF_NETBEUI
-    AF_NETROM = AddressFamily.AF_NETROM
-    AF_PPPOX = AddressFamily.AF_PPPOX
-    AF_ROSE = AddressFamily.AF_ROSE
-    AF_SECURITY = AddressFamily.AF_SECURITY
-    AF_WANPIPE = AddressFamily.AF_WANPIPE
-    AF_X25 = AddressFamily.AF_X25
+    AF_ASH: Final = AddressFamily.AF_ASH
+    AF_ATMPVC: Final = AddressFamily.AF_ATMPVC
+    AF_ATMSVC: Final = AddressFamily.AF_ATMSVC
+    AF_AX25: Final = AddressFamily.AF_AX25
+    AF_BRIDGE: Final = AddressFamily.AF_BRIDGE
+    AF_ECONET: Final = AddressFamily.AF_ECONET
+    AF_KEY: Final = AddressFamily.AF_KEY
+    AF_LLC: Final = AddressFamily.AF_LLC
+    AF_NETBEUI: Final = AddressFamily.AF_NETBEUI
+    AF_NETROM: Final = AddressFamily.AF_NETROM
+    AF_PPPOX: Final = AddressFamily.AF_PPPOX
+    AF_ROSE: Final = AddressFamily.AF_ROSE
+    AF_SECURITY: Final = AddressFamily.AF_SECURITY
+    AF_WANPIPE: Final = AddressFamily.AF_WANPIPE
+    AF_X25: Final = AddressFamily.AF_X25
 
 if sys.platform == "linux":
-    AF_CAN = AddressFamily.AF_CAN
-    AF_PACKET = AddressFamily.AF_PACKET
-    AF_RDS = AddressFamily.AF_RDS
-    AF_TIPC = AddressFamily.AF_TIPC
-    AF_ALG = AddressFamily.AF_ALG
-    AF_NETLINK = AddressFamily.AF_NETLINK
-    AF_VSOCK = AddressFamily.AF_VSOCK
-    AF_QIPCRTR = AddressFamily.AF_QIPCRTR
+    AF_CAN: Final = AddressFamily.AF_CAN
+    AF_PACKET: Final = AddressFamily.AF_PACKET
+    AF_RDS: Final = AddressFamily.AF_RDS
+    AF_TIPC: Final = AddressFamily.AF_TIPC
+    AF_ALG: Final = AddressFamily.AF_ALG
+    AF_NETLINK: Final = AddressFamily.AF_NETLINK
+    AF_VSOCK: Final = AddressFamily.AF_VSOCK
+    AF_QIPCRTR: Final = AddressFamily.AF_QIPCRTR
 
 if sys.platform != "linux":
-    AF_LINK = AddressFamily.AF_LINK
+    AF_LINK: Final = AddressFamily.AF_LINK
 if sys.platform != "darwin" and sys.platform != "linux":
-    AF_BLUETOOTH = AddressFamily.AF_BLUETOOTH
+    AF_BLUETOOTH: Final = AddressFamily.AF_BLUETOOTH
 if sys.platform == "win32" and sys.version_info >= (3, 12):
-    AF_HYPERV = AddressFamily.AF_HYPERV
+    AF_HYPERV: Final = AddressFamily.AF_HYPERV
 if sys.platform != "linux" and sys.platform != "win32" and sys.platform != "darwin" and sys.version_info >= (3, 12):
     # FreeBSD >= 14.0
-    AF_DIVERT = AddressFamily.AF_DIVERT
+    AF_DIVERT: Final = AddressFamily.AF_DIVERT
 
 class SocketKind(IntEnum):
     SOCK_STREAM = 1
@@ -1189,14 +1189,14 @@ class SocketKind(IntEnum):
         SOCK_CLOEXEC = 524288
         SOCK_NONBLOCK = 2048
 
-SOCK_STREAM = SocketKind.SOCK_STREAM
-SOCK_DGRAM = SocketKind.SOCK_DGRAM
-SOCK_RAW = SocketKind.SOCK_RAW
-SOCK_RDM = SocketKind.SOCK_RDM
-SOCK_SEQPACKET = SocketKind.SOCK_SEQPACKET
+SOCK_STREAM: Final = SocketKind.SOCK_STREAM
+SOCK_DGRAM: Final = SocketKind.SOCK_DGRAM
+SOCK_RAW: Final = SocketKind.SOCK_RAW
+SOCK_RDM: Final = SocketKind.SOCK_RDM
+SOCK_SEQPACKET: Final = SocketKind.SOCK_SEQPACKET
 if sys.platform == "linux":
-    SOCK_CLOEXEC = SocketKind.SOCK_CLOEXEC
-    SOCK_NONBLOCK = SocketKind.SOCK_NONBLOCK
+    SOCK_CLOEXEC: Final = SocketKind.SOCK_CLOEXEC
+    SOCK_NONBLOCK: Final = SocketKind.SOCK_NONBLOCK
 
 class MsgFlag(IntFlag):
     MSG_CTRUNC = 8
@@ -1228,36 +1228,36 @@ class MsgFlag(IntFlag):
     if sys.platform != "win32" and sys.platform != "linux":
         MSG_EOF = 256
 
-MSG_CTRUNC = MsgFlag.MSG_CTRUNC
-MSG_DONTROUTE = MsgFlag.MSG_DONTROUTE
-MSG_OOB = MsgFlag.MSG_OOB
-MSG_PEEK = MsgFlag.MSG_PEEK
-MSG_TRUNC = MsgFlag.MSG_TRUNC
-MSG_WAITALL = MsgFlag.MSG_WAITALL
+MSG_CTRUNC: Final = MsgFlag.MSG_CTRUNC
+MSG_DONTROUTE: Final = MsgFlag.MSG_DONTROUTE
+MSG_OOB: Final = MsgFlag.MSG_OOB
+MSG_PEEK: Final = MsgFlag.MSG_PEEK
+MSG_TRUNC: Final = MsgFlag.MSG_TRUNC
+MSG_WAITALL: Final = MsgFlag.MSG_WAITALL
 
 if sys.platform == "win32":
-    MSG_BCAST = MsgFlag.MSG_BCAST
-    MSG_MCAST = MsgFlag.MSG_MCAST
+    MSG_BCAST: Final = MsgFlag.MSG_BCAST
+    MSG_MCAST: Final = MsgFlag.MSG_MCAST
 
 if sys.platform != "darwin":
-    MSG_ERRQUEUE = MsgFlag.MSG_ERRQUEUE
+    MSG_ERRQUEUE: Final = MsgFlag.MSG_ERRQUEUE
 
 if sys.platform != "win32":
-    MSG_DONTWAIT = MsgFlag.MSG_DONTWAIT
-    MSG_EOR = MsgFlag.MSG_EOR
-    MSG_NOSIGNAL = MsgFlag.MSG_NOSIGNAL  # Sometimes this exists on darwin, sometimes not
+    MSG_DONTWAIT: Final = MsgFlag.MSG_DONTWAIT
+    MSG_EOR: Final = MsgFlag.MSG_EOR
+    MSG_NOSIGNAL: Final = MsgFlag.MSG_NOSIGNAL  # Sometimes this exists on darwin, sometimes not
 
 if sys.platform != "win32" and sys.platform != "darwin":
-    MSG_CMSG_CLOEXEC = MsgFlag.MSG_CMSG_CLOEXEC
-    MSG_CONFIRM = MsgFlag.MSG_CONFIRM
-    MSG_FASTOPEN = MsgFlag.MSG_FASTOPEN
-    MSG_MORE = MsgFlag.MSG_MORE
+    MSG_CMSG_CLOEXEC: Final = MsgFlag.MSG_CMSG_CLOEXEC
+    MSG_CONFIRM: Final = MsgFlag.MSG_CONFIRM
+    MSG_FASTOPEN: Final = MsgFlag.MSG_FASTOPEN
+    MSG_MORE: Final = MsgFlag.MSG_MORE
 
 if sys.platform != "win32" and sys.platform != "darwin" and sys.platform != "linux":
-    MSG_NOTIFICATION = MsgFlag.MSG_NOTIFICATION
+    MSG_NOTIFICATION: Final = MsgFlag.MSG_NOTIFICATION
 
 if sys.platform != "win32" and sys.platform != "linux":
-    MSG_EOF = MsgFlag.MSG_EOF
+    MSG_EOF: Final = MsgFlag.MSG_EOF
 
 class AddressInfo(IntFlag):
     AI_ADDRCONFIG = 32
@@ -1272,18 +1272,18 @@ class AddressInfo(IntFlag):
         AI_MASK = 5127
         AI_V4MAPPED_CFG = 512
 
-AI_ADDRCONFIG = AddressInfo.AI_ADDRCONFIG
-AI_ALL = AddressInfo.AI_ALL
-AI_CANONNAME = AddressInfo.AI_CANONNAME
-AI_NUMERICHOST = AddressInfo.AI_NUMERICHOST
-AI_NUMERICSERV = AddressInfo.AI_NUMERICSERV
-AI_PASSIVE = AddressInfo.AI_PASSIVE
-AI_V4MAPPED = AddressInfo.AI_V4MAPPED
+AI_ADDRCONFIG: Final = AddressInfo.AI_ADDRCONFIG
+AI_ALL: Final = AddressInfo.AI_ALL
+AI_CANONNAME: Final = AddressInfo.AI_CANONNAME
+AI_NUMERICHOST: Final = AddressInfo.AI_NUMERICHOST
+AI_NUMERICSERV: Final = AddressInfo.AI_NUMERICSERV
+AI_PASSIVE: Final = AddressInfo.AI_PASSIVE
+AI_V4MAPPED: Final = AddressInfo.AI_V4MAPPED
 
 if sys.platform != "win32" and sys.platform != "linux":
-    AI_DEFAULT = AddressInfo.AI_DEFAULT
-    AI_MASK = AddressInfo.AI_MASK
-    AI_V4MAPPED_CFG = AddressInfo.AI_V4MAPPED_CFG
+    AI_DEFAULT: Final = AddressInfo.AI_DEFAULT
+    AI_MASK: Final = AddressInfo.AI_MASK
+    AI_V4MAPPED_CFG: Final = AddressInfo.AI_V4MAPPED_CFG
 
 if sys.platform == "win32":
     errorTab: dict[int, str]  # undocumented
diff --git a/stdlib/sqlite3/dbapi2.pyi b/stdlib/sqlite3/dbapi2.pyi
index d37a0d391ec6..c92df0beabde 100644
--- a/stdlib/sqlite3/dbapi2.pyi
+++ b/stdlib/sqlite3/dbapi2.pyi
@@ -66,7 +66,7 @@ from sqlite3 import (
     Row as Row,
     Warning as Warning,
 )
-from typing import Literal
+from typing import Final, Literal
 
 if sys.version_info >= (3, 12):
     from _sqlite3 import (
@@ -211,7 +211,7 @@ if sys.version_info >= (3, 11):
 
 if sys.version_info < (3, 14):
     # Deprecated and removed from _sqlite3 in 3.12, but removed from here in 3.14.
-    version: str
+    version: Final[str]
 
 if sys.version_info < (3, 12):
     if sys.version_info >= (3, 10):
@@ -223,9 +223,9 @@ if sys.version_info < (3, 12):
 if sys.version_info < (3, 10):
     from _sqlite3 import OptimizedUnicode as OptimizedUnicode
 
-paramstyle: str
+paramstyle: Final = "qmark"
 threadsafety: Literal[0, 1, 3]
-apilevel: str
+apilevel: Final[str]
 Date = date
 Time = time
 Timestamp = datetime
@@ -236,7 +236,7 @@ def TimestampFromTicks(ticks: float) -> Timestamp: ...
 
 if sys.version_info < (3, 14):
     # Deprecated in 3.12, removed in 3.14.
-    version_info: tuple[int, int, int]
+    version_info: Final[tuple[int, int, int]]
 
-sqlite_version_info: tuple[int, int, int]
+sqlite_version_info: Final[tuple[int, int, int]]
 Binary = memoryview
diff --git a/stdlib/sre_compile.pyi b/stdlib/sre_compile.pyi
index 2d04a886c931..d8f0b7937e99 100644
--- a/stdlib/sre_compile.pyi
+++ b/stdlib/sre_compile.pyi
@@ -2,9 +2,9 @@ from re import Pattern
 from sre_constants import *
 from sre_constants import _NamedIntConstant
 from sre_parse import SubPattern
-from typing import Any
+from typing import Any, Final
 
-MAXCODE: int
+MAXCODE: Final[int]
 
 def dis(code: list[_NamedIntConstant]) -> None: ...
 def isstring(obj: Any) -> bool: ...
diff --git a/stdlib/sre_parse.pyi b/stdlib/sre_parse.pyi
index c242bd2a065f..7a80b17c25ac 100644
--- a/stdlib/sre_parse.pyi
+++ b/stdlib/sre_parse.pyi
@@ -3,24 +3,24 @@ from collections.abc import Iterable
 from re import Match, Pattern as _Pattern
 from sre_constants import *
 from sre_constants import _NamedIntConstant as _NIC, error as _Error
-from typing import Any, overload
+from typing import Any, Final, overload
 from typing_extensions import TypeAlias
 
-SPECIAL_CHARS: str
-REPEAT_CHARS: str
-DIGITS: frozenset[str]
-OCTDIGITS: frozenset[str]
-HEXDIGITS: frozenset[str]
-ASCIILETTERS: frozenset[str]
-WHITESPACE: frozenset[str]
-ESCAPES: dict[str, tuple[_NIC, int]]
-CATEGORIES: dict[str, tuple[_NIC, _NIC] | tuple[_NIC, list[tuple[_NIC, _NIC]]]]
-FLAGS: dict[str, int]
-TYPE_FLAGS: int
-GLOBAL_FLAGS: int
+SPECIAL_CHARS: Final = ".\\[{()*+?^$|"
+REPEAT_CHARS: Final = "*+?{"
+DIGITS: Final[frozenset[str]]
+OCTDIGITS: Final[frozenset[str]]
+HEXDIGITS: Final[frozenset[str]]
+ASCIILETTERS: Final[frozenset[str]]
+WHITESPACE: Final[frozenset[str]]
+ESCAPES: Final[dict[str, tuple[_NIC, int]]]
+CATEGORIES: Final[dict[str, tuple[_NIC, _NIC] | tuple[_NIC, list[tuple[_NIC, _NIC]]]]]
+FLAGS: Final[dict[str, int]]
+TYPE_FLAGS: Final[int]
+GLOBAL_FLAGS: Final[int]
 
 if sys.version_info >= (3, 11):
-    MAXWIDTH: int
+    MAXWIDTH: Final[int]
 
 if sys.version_info < (3, 11):
     class Verbose(Exception): ...
diff --git a/stdlib/string/__init__.pyi b/stdlib/string/__init__.pyi
index 29fe27f39b80..c8b32a98e26d 100644
--- a/stdlib/string/__init__.pyi
+++ b/stdlib/string/__init__.pyi
@@ -2,7 +2,7 @@ import sys
 from _typeshed import StrOrLiteralStr
 from collections.abc import Iterable, Mapping, Sequence
 from re import Pattern, RegexFlag
-from typing import Any, ClassVar, overload
+from typing import Any, ClassVar, Final, overload
 from typing_extensions import LiteralString
 
 __all__ = [
@@ -20,15 +20,15 @@ __all__ = [
     "Template",
 ]
 
-ascii_letters: LiteralString
-ascii_lowercase: LiteralString
-ascii_uppercase: LiteralString
-digits: LiteralString
-hexdigits: LiteralString
-octdigits: LiteralString
-punctuation: LiteralString
-printable: LiteralString
-whitespace: LiteralString
+whitespace: Final = " \t\n\r\v\f"
+ascii_lowercase: Final = "abcdefghijklmnopqrstuvwxyz"
+ascii_uppercase: Final = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
+ascii_letters: Final[LiteralString]  # string too long
+digits: Final = "0123456789"
+hexdigits: Final = "0123456789abcdefABCDEF"
+octdigits: Final = "01234567"
+punctuation: Final = r"""!"#$%&'()*+,-./:;<=>?@[\]^_`{|}~"""
+printable: Final[LiteralString]  # string too long
 
 def capwords(s: StrOrLiteralStr, sep: StrOrLiteralStr | None = None) -> StrOrLiteralStr: ...
 
diff --git a/stdlib/stringprep.pyi b/stdlib/stringprep.pyi
index fc28c027ca9b..d67955e499c8 100644
--- a/stdlib/stringprep.pyi
+++ b/stdlib/stringprep.pyi
@@ -1,10 +1,12 @@
-b1_set: set[int]
-b3_exceptions: dict[int, str]
-c22_specials: set[int]
-c6_set: set[int]
-c7_set: set[int]
-c8_set: set[int]
-c9_set: set[int]
+from typing import Final
+
+b1_set: Final[set[int]]
+b3_exceptions: Final[dict[int, str]]
+c22_specials: Final[set[int]]
+c6_set: Final[set[int]]
+c7_set: Final[set[int]]
+c8_set: Final[set[int]]
+c9_set: Final[set[int]]
 
 def in_table_a1(code: str) -> bool: ...
 def in_table_b1(code: str) -> bool: ...
diff --git a/stdlib/sunau.pyi b/stdlib/sunau.pyi
index d81645cb5687..f83a0a4c520e 100644
--- a/stdlib/sunau.pyi
+++ b/stdlib/sunau.pyi
@@ -1,25 +1,25 @@
 from _typeshed import Unused
-from typing import IO, Any, Literal, NamedTuple, NoReturn, overload
+from typing import IO, Any, Final, Literal, NamedTuple, NoReturn, overload
 from typing_extensions import Self, TypeAlias
 
 _File: TypeAlias = str | IO[bytes]
 
 class Error(Exception): ...
 
-AUDIO_FILE_MAGIC: int
-AUDIO_FILE_ENCODING_MULAW_8: int
-AUDIO_FILE_ENCODING_LINEAR_8: int
-AUDIO_FILE_ENCODING_LINEAR_16: int
-AUDIO_FILE_ENCODING_LINEAR_24: int
-AUDIO_FILE_ENCODING_LINEAR_32: int
-AUDIO_FILE_ENCODING_FLOAT: int
-AUDIO_FILE_ENCODING_DOUBLE: int
-AUDIO_FILE_ENCODING_ADPCM_G721: int
-AUDIO_FILE_ENCODING_ADPCM_G722: int
-AUDIO_FILE_ENCODING_ADPCM_G723_3: int
-AUDIO_FILE_ENCODING_ADPCM_G723_5: int
-AUDIO_FILE_ENCODING_ALAW_8: int
-AUDIO_UNKNOWN_SIZE: int
+AUDIO_FILE_MAGIC: Final = 0x2E736E64
+AUDIO_FILE_ENCODING_MULAW_8: Final = 1
+AUDIO_FILE_ENCODING_LINEAR_8: Final = 2
+AUDIO_FILE_ENCODING_LINEAR_16: Final = 3
+AUDIO_FILE_ENCODING_LINEAR_24: Final = 4
+AUDIO_FILE_ENCODING_LINEAR_32: Final = 5
+AUDIO_FILE_ENCODING_FLOAT: Final = 6
+AUDIO_FILE_ENCODING_DOUBLE: Final = 7
+AUDIO_FILE_ENCODING_ADPCM_G721: Final = 23
+AUDIO_FILE_ENCODING_ADPCM_G722: Final = 24
+AUDIO_FILE_ENCODING_ADPCM_G723_3: Final = 25
+AUDIO_FILE_ENCODING_ADPCM_G723_5: Final = 26
+AUDIO_FILE_ENCODING_ALAW_8: Final = 27
+AUDIO_UNKNOWN_SIZE: Final = 0xFFFFFFFF
 
 class _sunau_params(NamedTuple):
     nchannels: int
diff --git a/stdlib/symbol.pyi b/stdlib/symbol.pyi
index 48ae3567a1a5..5344ce504c6c 100644
--- a/stdlib/symbol.pyi
+++ b/stdlib/symbol.pyi
@@ -1,93 +1,95 @@
-single_input: int
-file_input: int
-eval_input: int
-decorator: int
-decorators: int
-decorated: int
-async_funcdef: int
-funcdef: int
-parameters: int
-typedargslist: int
-tfpdef: int
-varargslist: int
-vfpdef: int
-stmt: int
-simple_stmt: int
-small_stmt: int
-expr_stmt: int
-annassign: int
-testlist_star_expr: int
-augassign: int
-del_stmt: int
-pass_stmt: int
-flow_stmt: int
-break_stmt: int
-continue_stmt: int
-return_stmt: int
-yield_stmt: int
-raise_stmt: int
-import_stmt: int
-import_name: int
-import_from: int
-import_as_name: int
-dotted_as_name: int
-import_as_names: int
-dotted_as_names: int
-dotted_name: int
-global_stmt: int
-nonlocal_stmt: int
-assert_stmt: int
-compound_stmt: int
-async_stmt: int
-if_stmt: int
-while_stmt: int
-for_stmt: int
-try_stmt: int
-with_stmt: int
-with_item: int
-except_clause: int
-suite: int
-test: int
-test_nocond: int
-lambdef: int
-lambdef_nocond: int
-or_test: int
-and_test: int
-not_test: int
-comparison: int
-comp_op: int
-star_expr: int
-expr: int
-xor_expr: int
-and_expr: int
-shift_expr: int
-arith_expr: int
-term: int
-factor: int
-power: int
-atom_expr: int
-atom: int
-testlist_comp: int
-trailer: int
-subscriptlist: int
-subscript: int
-sliceop: int
-exprlist: int
-testlist: int
-dictorsetmaker: int
-classdef: int
-arglist: int
-argument: int
-comp_iter: int
-comp_for: int
-comp_if: int
-encoding_decl: int
-yield_expr: int
-yield_arg: int
-sync_comp_for: int
-func_body_suite: int
-func_type: int
-func_type_input: int
-namedexpr_test: int
-typelist: int
-sym_name: dict[int, str]
+from typing import Final
+
+single_input: Final[int]
+file_input: Final[int]
+eval_input: Final[int]
+decorator: Final[int]
+decorators: Final[int]
+decorated: Final[int]
+async_funcdef: Final[int]
+funcdef: Final[int]
+parameters: Final[int]
+typedargslist: Final[int]
+tfpdef: Final[int]
+varargslist: Final[int]
+vfpdef: Final[int]
+stmt: Final[int]
+simple_stmt: Final[int]
+small_stmt: Final[int]
+expr_stmt: Final[int]
+annassign: Final[int]
+testlist_star_expr: Final[int]
+augassign: Final[int]
+del_stmt: Final[int]
+pass_stmt: Final[int]
+flow_stmt: Final[int]
+break_stmt: Final[int]
+continue_stmt: Final[int]
+return_stmt: Final[int]
+yield_stmt: Final[int]
+raise_stmt: Final[int]
+import_stmt: Final[int]
+import_name: Final[int]
+import_from: Final[int]
+import_as_name: Final[int]
+dotted_as_name: Final[int]
+import_as_names: Final[int]
+dotted_as_names: Final[int]
+dotted_name: Final[int]
+global_stmt: Final[int]
+nonlocal_stmt: Final[int]
+assert_stmt: Final[int]
+compound_stmt: Final[int]
+async_stmt: Final[int]
+if_stmt: Final[int]
+while_stmt: Final[int]
+for_stmt: Final[int]
+try_stmt: Final[int]
+with_stmt: Final[int]
+with_item: Final[int]
+except_clause: Final[int]
+suite: Final[int]
+test: Final[int]
+test_nocond: Final[int]
+lambdef: Final[int]
+lambdef_nocond: Final[int]
+or_test: Final[int]
+and_test: Final[int]
+not_test: Final[int]
+comparison: Final[int]
+comp_op: Final[int]
+star_expr: Final[int]
+expr: Final[int]
+xor_expr: Final[int]
+and_expr: Final[int]
+shift_expr: Final[int]
+arith_expr: Final[int]
+term: Final[int]
+factor: Final[int]
+power: Final[int]
+atom_expr: Final[int]
+atom: Final[int]
+testlist_comp: Final[int]
+trailer: Final[int]
+subscriptlist: Final[int]
+subscript: Final[int]
+sliceop: Final[int]
+exprlist: Final[int]
+testlist: Final[int]
+dictorsetmaker: Final[int]
+classdef: Final[int]
+arglist: Final[int]
+argument: Final[int]
+comp_iter: Final[int]
+comp_for: Final[int]
+comp_if: Final[int]
+encoding_decl: Final[int]
+yield_expr: Final[int]
+yield_arg: Final[int]
+sync_comp_for: Final[int]
+func_body_suite: Final[int]
+func_type: Final[int]
+func_type_input: Final[int]
+namedexpr_test: Final[int]
+typelist: Final[int]
+sym_name: Final[dict[int, str]]
diff --git a/stdlib/telnetlib.pyi b/stdlib/telnetlib.pyi
index 6b599256d17b..88aa43d24899 100644
--- a/stdlib/telnetlib.pyi
+++ b/stdlib/telnetlib.pyi
@@ -2,89 +2,89 @@ import socket
 from collections.abc import Callable, MutableSequence, Sequence
 from re import Match, Pattern
 from types import TracebackType
-from typing import Any
+from typing import Any, Final
 from typing_extensions import Self
 
 __all__ = ["Telnet"]
 
-DEBUGLEVEL: int
-TELNET_PORT: int
+DEBUGLEVEL: Final = 0
+TELNET_PORT: Final = 23
 
-IAC: bytes
-DONT: bytes
-DO: bytes
-WONT: bytes
-WILL: bytes
-theNULL: bytes
+IAC: Final = b"\xff"
+DONT: Final = b"\xfe"
+DO: Final = b"\xfd"
+WONT: Final = b"\xfc"
+WILL: Final = b"\xfb"
+theNULL: Final = b"\x00"
 
-SE: bytes
-NOP: bytes
-DM: bytes
-BRK: bytes
-IP: bytes
-AO: bytes
-AYT: bytes
-EC: bytes
-EL: bytes
-GA: bytes
-SB: bytes
+SE: Final = b"\xf0"
+NOP: Final = b"\xf1"
+DM: Final = b"\xf2"
+BRK: Final = b"\xf3"
+IP: Final = b"\xf4"
+AO: Final = b"\xf5"
+AYT: Final = b"\xf6"
+EC: Final = b"\xf7"
+EL: Final = b"\xf8"
+GA: Final = b"\xf9"
+SB: Final = b"\xfa"
 
-BINARY: bytes
-ECHO: bytes
-RCP: bytes
-SGA: bytes
-NAMS: bytes
-STATUS: bytes
-TM: bytes
-RCTE: bytes
-NAOL: bytes
-NAOP: bytes
-NAOCRD: bytes
-NAOHTS: bytes
-NAOHTD: bytes
-NAOFFD: bytes
-NAOVTS: bytes
-NAOVTD: bytes
-NAOLFD: bytes
-XASCII: bytes
-LOGOUT: bytes
-BM: bytes
-DET: bytes
-SUPDUP: bytes
-SUPDUPOUTPUT: bytes
-SNDLOC: bytes
-TTYPE: bytes
-EOR: bytes
-TUID: bytes
-OUTMRK: bytes
-TTYLOC: bytes
-VT3270REGIME: bytes
-X3PAD: bytes
-NAWS: bytes
-TSPEED: bytes
-LFLOW: bytes
-LINEMODE: bytes
-XDISPLOC: bytes
-OLD_ENVIRON: bytes
-AUTHENTICATION: bytes
-ENCRYPT: bytes
-NEW_ENVIRON: bytes
+BINARY: Final = b"\x00"
+ECHO: Final = b"\x01"
+RCP: Final = b"\x02"
+SGA: Final = b"\x03"
+NAMS: Final = b"\x04"
+STATUS: Final = b"\x05"
+TM: Final = b"\x06"
+RCTE: Final = b"\x07"
+NAOL: Final = b"\x08"
+NAOP: Final = b"\t"
+NAOCRD: Final = b"\n"
+NAOHTS: Final = b"\x0b"
+NAOHTD: Final = b"\x0c"
+NAOFFD: Final = b"\r"
+NAOVTS: Final = b"\x0e"
+NAOVTD: Final = b"\x0f"
+NAOLFD: Final = b"\x10"
+XASCII: Final = b"\x11"
+LOGOUT: Final = b"\x12"
+BM: Final = b"\x13"
+DET: Final = b"\x14"
+SUPDUP: Final = b"\x15"
+SUPDUPOUTPUT: Final = b"\x16"
+SNDLOC: Final = b"\x17"
+TTYPE: Final = b"\x18"
+EOR: Final = b"\x19"
+TUID: Final = b"\x1a"
+OUTMRK: Final = b"\x1b"
+TTYLOC: Final = b"\x1c"
+VT3270REGIME: Final = b"\x1d"
+X3PAD: Final = b"\x1e"
+NAWS: Final = b"\x1f"
+TSPEED: Final = b" "
+LFLOW: Final = b"!"
+LINEMODE: Final = b'"'
+XDISPLOC: Final = b"#"
+OLD_ENVIRON: Final = b"$"
+AUTHENTICATION: Final = b"%"
+ENCRYPT: Final = b"&"
+NEW_ENVIRON: Final = b"'"
 
-TN3270E: bytes
-XAUTH: bytes
-CHARSET: bytes
-RSP: bytes
-COM_PORT_OPTION: bytes
-SUPPRESS_LOCAL_ECHO: bytes
-TLS: bytes
-KERMIT: bytes
-SEND_URL: bytes
-FORWARD_X: bytes
-PRAGMA_LOGON: bytes
-SSPI_LOGON: bytes
-PRAGMA_HEARTBEAT: bytes
-EXOPL: bytes
-NOOPT: bytes
+TN3270E: Final = b"("
+XAUTH: Final = b")"
+CHARSET: Final = b"*"
+RSP: Final = b"+"
+COM_PORT_OPTION: Final = b","
+SUPPRESS_LOCAL_ECHO: Final = b"-"
+TLS: Final = b"."
+KERMIT: Final = b"/"
+SEND_URL: Final = b"0"
+FORWARD_X: Final = b"1"
+PRAGMA_LOGON: Final = b"\x8a"
+SSPI_LOGON: Final = b"\x8b"
+PRAGMA_HEARTBEAT: Final = b"\x8c"
+EXOPL: Final = b"\xff"
+NOOPT: Final = b"\x00"
 
 class Telnet:
     host: str | None  # undocumented
diff --git a/stdlib/tempfile.pyi b/stdlib/tempfile.pyi
index 6b2abe4398d2..26491074ff71 100644
--- a/stdlib/tempfile.pyi
+++ b/stdlib/tempfile.pyi
@@ -14,7 +14,7 @@ from _typeshed import (
 )
 from collections.abc import Iterable, Iterator
 from types import GenericAlias, TracebackType
-from typing import IO, Any, AnyStr, Generic, Literal, overload
+from typing import IO, Any, AnyStr, Final, Generic, Literal, overload
 from typing_extensions import Self, deprecated
 
 __all__ = [
@@ -34,7 +34,7 @@ __all__ = [
 ]
 
 # global variables
-TMP_MAX: int
+TMP_MAX: Final[int]
 tempdir: str | None
 template: str
 
diff --git a/stdlib/threading.pyi b/stdlib/threading.pyi
index 033cad3931f5..163532bc7670 100644
--- a/stdlib/threading.pyi
+++ b/stdlib/threading.pyi
@@ -5,7 +5,7 @@ from _typeshed import ProfileFunction, TraceFunction
 from collections.abc import Callable, Iterable, Mapping
 from contextvars import ContextVar
 from types import TracebackType
-from typing import Any, TypeVar, final
+from typing import Any, Final, TypeVar, final
 from typing_extensions import deprecated
 
 _T = TypeVar("_T")
@@ -67,7 +67,7 @@ if sys.version_info >= (3, 10):
 
 def stack_size(size: int = 0, /) -> int: ...
 
-TIMEOUT_MAX: float
+TIMEOUT_MAX: Final[float]
 
 ThreadError = _thread.error
 local = _thread._local
diff --git a/stdlib/time.pyi b/stdlib/time.pyi
index a921722b62c5..5665efbba69d 100644
--- a/stdlib/time.pyi
+++ b/stdlib/time.pyi
@@ -11,28 +11,28 @@ timezone: int
 tzname: tuple[str, str]
 
 if sys.platform == "linux":
-    CLOCK_BOOTTIME: int
+    CLOCK_BOOTTIME: Final[int]
 if sys.platform != "linux" and sys.platform != "win32" and sys.platform != "darwin":
-    CLOCK_PROF: int  # FreeBSD, NetBSD, OpenBSD
-    CLOCK_UPTIME: int  # FreeBSD, OpenBSD
+    CLOCK_PROF: Final[int]  # FreeBSD, NetBSD, OpenBSD
+    CLOCK_UPTIME: Final[int]  # FreeBSD, OpenBSD
 
 if sys.platform != "win32":
-    CLOCK_MONOTONIC: int
-    CLOCK_MONOTONIC_RAW: int
-    CLOCK_PROCESS_CPUTIME_ID: int
-    CLOCK_REALTIME: int
-    CLOCK_THREAD_CPUTIME_ID: int
+    CLOCK_MONOTONIC: Final[int]
+    CLOCK_MONOTONIC_RAW: Final[int]
+    CLOCK_PROCESS_CPUTIME_ID: Final[int]
+    CLOCK_REALTIME: Final[int]
+    CLOCK_THREAD_CPUTIME_ID: Final[int]
     if sys.platform != "linux" and sys.platform != "darwin":
-        CLOCK_HIGHRES: int  # Solaris only
+        CLOCK_HIGHRES: Final[int]  # Solaris only
 
 if sys.platform == "darwin":
-    CLOCK_UPTIME_RAW: int
+    CLOCK_UPTIME_RAW: Final[int]
     if sys.version_info >= (3, 13):
-        CLOCK_UPTIME_RAW_APPROX: int
-        CLOCK_MONOTONIC_RAW_APPROX: int
+        CLOCK_UPTIME_RAW_APPROX: Final[int]
+        CLOCK_MONOTONIC_RAW_APPROX: Final[int]
 
 if sys.platform == "linux":
-    CLOCK_TAI: int
+    CLOCK_TAI: Final[int]
 
 # Constructor takes an iterable of any type, of length between 9 and 11 elements.
 # However, it always *behaves* like a tuple of 9 elements,
diff --git a/stdlib/tokenize.pyi b/stdlib/tokenize.pyi
index 1a3a80937f22..dabb64b8b96e 100644
--- a/stdlib/tokenize.pyi
+++ b/stdlib/tokenize.pyi
@@ -3,7 +3,7 @@ from _typeshed import FileDescriptorOrPath
 from collections.abc import Callable, Generator, Iterable, Sequence
 from re import Pattern
 from token import *
-from typing import Any, NamedTuple, TextIO, type_check_only
+from typing import Any, Final, NamedTuple, TextIO, type_check_only
 from typing_extensions import TypeAlias
 
 if sys.version_info < (3, 12):
@@ -101,8 +101,8 @@ if sys.version_info >= (3, 13):
 if sys.version_info >= (3, 14):
     __all__ += ["TSTRING_START", "TSTRING_MIDDLE", "TSTRING_END"]
 
-cookie_re: Pattern[str]
-blank_re: Pattern[bytes]
+cookie_re: Final[Pattern[str]]
+blank_re: Final[Pattern[bytes]]
 
 _Position: TypeAlias = tuple[int, int]
 
@@ -151,46 +151,46 @@ def group(*choices: str) -> str: ...  # undocumented
 def any(*choices: str) -> str: ...  # undocumented
 def maybe(*choices: str) -> str: ...  # undocumented
 
-Whitespace: str  # undocumented
-Comment: str  # undocumented
-Ignore: str  # undocumented
-Name: str  # undocumented
-
-Hexnumber: str  # undocumented
-Binnumber: str  # undocumented
-Octnumber: str  # undocumented
-Decnumber: str  # undocumented
-Intnumber: str  # undocumented
-Exponent: str  # undocumented
-Pointfloat: str  # undocumented
-Expfloat: str  # undocumented
-Floatnumber: str  # undocumented
-Imagnumber: str  # undocumented
-Number: str  # undocumented
+Whitespace: Final[str]  # undocumented
+Comment: Final[str]  # undocumented
+Ignore: Final[str]  # undocumented
+Name: Final[str]  # undocumented
+
+Hexnumber: Final[str]  # undocumented
+Binnumber: Final[str]  # undocumented
+Octnumber: Final[str]  # undocumented
+Decnumber: Final[str]  # undocumented
+Intnumber: Final[str]  # undocumented
+Exponent: Final[str]  # undocumented
+Pointfloat: Final[str]  # undocumented
+Expfloat: Final[str]  # undocumented
+Floatnumber: Final[str]  # undocumented
+Imagnumber: Final[str]  # undocumented
+Number: Final[str]  # undocumented
 
 def _all_string_prefixes() -> set[str]: ...  # undocumented
 
-StringPrefix: str  # undocumented
+StringPrefix: Final[str]  # undocumented
 
-Single: str  # undocumented
-Double: str  # undocumented
-Single3: str  # undocumented
-Double3: str  # undocumented
-Triple: str  # undocumented
-String: str  # undocumented
+Single: Final[str]  # undocumented
+Double: Final[str]  # undocumented
+Single3: Final[str]  # undocumented
+Double3: Final[str]  # undocumented
+Triple: Final[str]  # undocumented
+String: Final[str]  # undocumented
 
-Special: str  # undocumented
-Funny: str  # undocumented
+Special: Final[str]  # undocumented
+Funny: Final[str]  # undocumented
 
-PlainToken: str  # undocumented
-Token: str  # undocumented
+PlainToken: Final[str]  # undocumented
+Token: Final[str]  # undocumented
 
-ContStr: str  # undocumented
-PseudoExtras: str  # undocumented
-PseudoToken: str  # undocumented
+ContStr: Final[str]  # undocumented
+PseudoExtras: Final[str]  # undocumented
+PseudoToken: Final[str]  # undocumented
 
-endpats: dict[str, str]  # undocumented
-single_quoted: set[str]  # undocumented
-triple_quoted: set[str]  # undocumented
+endpats: Final[dict[str, str]]  # undocumented
+single_quoted: Final[set[str]]  # undocumented
+triple_quoted: Final[set[str]]  # undocumented
 
-tabsize: int  # undocumented
+tabsize: Final = 8  # undocumented
diff --git a/stdlib/unicodedata.pyi b/stdlib/unicodedata.pyi
index 77d69edf06af..9fff042f0b96 100644
--- a/stdlib/unicodedata.pyi
+++ b/stdlib/unicodedata.pyi
@@ -1,10 +1,10 @@
 import sys
 from _typeshed import ReadOnlyBuffer
-from typing import Any, Literal, TypeVar, final, overload
+from typing import Any, Final, Literal, TypeVar, final, overload
 from typing_extensions import TypeAlias
 
 ucd_3_2_0: UCD
-unidata_version: str
+unidata_version: Final[str]
 
 if sys.version_info < (3, 10):
     ucnhash_CAPI: Any
diff --git a/stdlib/urllib/parse.pyi b/stdlib/urllib/parse.pyi
index a5ed616d25af..a33a32ec262c 100644
--- a/stdlib/urllib/parse.pyi
+++ b/stdlib/urllib/parse.pyi
@@ -1,7 +1,7 @@
 import sys
 from collections.abc import Iterable, Mapping, Sequence
 from types import GenericAlias
-from typing import Any, AnyStr, Generic, Literal, NamedTuple, Protocol, overload, type_check_only
+from typing import Any, AnyStr, Final, Generic, Literal, NamedTuple, Protocol, overload, type_check_only
 from typing_extensions import TypeAlias
 
 __all__ = [
@@ -28,15 +28,15 @@ __all__ = [
     "SplitResultBytes",
 ]
 
-uses_relative: list[str]
-uses_netloc: list[str]
-uses_params: list[str]
-non_hierarchical: list[str]
-uses_query: list[str]
-uses_fragment: list[str]
-scheme_chars: str
+uses_relative: Final[list[str]]
+uses_netloc: Final[list[str]]
+uses_params: Final[list[str]]
+non_hierarchical: Final[list[str]]
+uses_query: Final[list[str]]
+uses_fragment: Final[list[str]]
+scheme_chars: Final[str]
 if sys.version_info < (3, 11):
-    MAX_CACHE_SIZE: int
+    MAX_CACHE_SIZE: Final[int]
 
 class _ResultMixinStr:
     def encode(self, encoding: str = "ascii", errors: str = "strict") -> _ResultMixinBytes: ...
diff --git a/stdlib/venv/__init__.pyi b/stdlib/venv/__init__.pyi
index 0f71f0e073f5..14db88523dba 100644
--- a/stdlib/venv/__init__.pyi
+++ b/stdlib/venv/__init__.pyi
@@ -3,10 +3,11 @@ import sys
 from _typeshed import StrOrBytesPath
 from collections.abc import Iterable, Sequence
 from types import SimpleNamespace
+from typing import Final
 
 logger: logging.Logger
 
-CORE_VENV_DEPS: tuple[str, ...]
+CORE_VENV_DEPS: Final[tuple[str, ...]]
 
 class EnvBuilder:
     system_site_packages: bool
diff --git a/stdlib/wave.pyi b/stdlib/wave.pyi
index ddc6f6bd02a5..8e3ba96cb4b8 100644
--- a/stdlib/wave.pyi
+++ b/stdlib/wave.pyi
@@ -8,7 +8,7 @@ _File: TypeAlias = str | IO[bytes]
 
 class Error(Exception): ...
 
-WAVE_FORMAT_PCM: Final = 1
+WAVE_FORMAT_PCM: Final = 0x0001
 
 class _wave_params(NamedTuple):
     nchannels: int
diff --git a/stdlib/winreg.pyi b/stdlib/winreg.pyi
index 0a22bb23d8f6..53457112ee96 100644
--- a/stdlib/winreg.pyi
+++ b/stdlib/winreg.pyi
@@ -59,13 +59,13 @@ if sys.platform == "win32":
     def EnableReflectionKey(key: _KeyType, /) -> None: ...
     def QueryReflectionKey(key: _KeyType, /) -> bool: ...
 
-    HKEY_CLASSES_ROOT: int
-    HKEY_CURRENT_USER: int
-    HKEY_LOCAL_MACHINE: int
-    HKEY_USERS: int
-    HKEY_PERFORMANCE_DATA: int
-    HKEY_CURRENT_CONFIG: int
-    HKEY_DYN_DATA: int
+    HKEY_CLASSES_ROOT: Final[int]
+    HKEY_CURRENT_USER: Final[int]
+    HKEY_LOCAL_MACHINE: Final[int]
+    HKEY_USERS: Final[int]
+    HKEY_PERFORMANCE_DATA: Final[int]
+    HKEY_CURRENT_CONFIG: Final[int]
+    HKEY_DYN_DATA: Final[int]
 
     KEY_ALL_ACCESS: Final = 983103
     KEY_WRITE: Final = 131078
diff --git a/stdlib/wsgiref/headers.pyi b/stdlib/wsgiref/headers.pyi
index 2654d79bf4e5..9febad4b3277 100644
--- a/stdlib/wsgiref/headers.pyi
+++ b/stdlib/wsgiref/headers.pyi
@@ -1,10 +1,10 @@
 from re import Pattern
-from typing import overload
+from typing import Final, overload
 from typing_extensions import TypeAlias
 
 _HeaderList: TypeAlias = list[tuple[str, str]]
 
-tspecials: Pattern[str]  # undocumented
+tspecials: Final[Pattern[str]]  # undocumented
 
 class Headers:
     def __init__(self, headers: _HeaderList | None = None) -> None: ...
diff --git a/stdlib/wsgiref/simple_server.pyi b/stdlib/wsgiref/simple_server.pyi
index 547f562cc1d4..bdf58719c828 100644
--- a/stdlib/wsgiref/simple_server.pyi
+++ b/stdlib/wsgiref/simple_server.pyi
@@ -1,14 +1,14 @@
 from _typeshed.wsgi import ErrorStream, StartResponse, WSGIApplication, WSGIEnvironment
 from http.server import BaseHTTPRequestHandler, HTTPServer
-from typing import TypeVar, overload
+from typing import Final, TypeVar, overload
 
 from .handlers import SimpleHandler
 
 __all__ = ["WSGIServer", "WSGIRequestHandler", "demo_app", "make_server"]
 
-server_version: str  # undocumented
-sys_version: str  # undocumented
-software_version: str  # undocumented
+server_version: Final[str]  # undocumented
+sys_version: Final[str]  # undocumented
+software_version: Final[str]  # undocumented
 
 class ServerHandler(SimpleHandler):  # undocumented
     server_software: str