bpo-44310:  Note that lru_cache keep references to both arguments and results (GH-26715) (GH-26716)

bpo-43425: Update test_c_parser not to use TempdirManager (GH-26693)

(cherry picked from commit 736ed6f7a9f465ba728198e8bca81e5fbe71bc37)

Co-authored-by: Dong-hee Na <donghee.na@python.org>

bpo-43475: Fix the Python implementation of hash of Decimal NaN (GH-26679)

(cherry picked from commit 9f1c5f6e8af6ba3f659b2aea1e221ac9695828ba)

Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>

[3.10] bpo-44389: Fix deprecation of OP_NO_TLSv1_3 (GH-26700) (GH-26705)

Signed-off-by: Christian Heimes <christian@python.org>
(cherry picked from commit bf527277d4e4907e32d76ca7ba667ab3149fe258)

Co-authored-by: Christian Heimes <christian@python.org>
Automerge-Triggered-By: GH:tiran

bpo-44389: Remove duplicate SSL_OP_NO_TLSv1_2 flag (GH-26680)

(cherry picked from commit cb7230c7a7d6d497e54c25e9ba640eec79de10f2)

Co-authored-by: Erlend Egeberg Aasland <erlend.aasland@innova.no>

[3.10] Fix a potential reference-counting bug in long_pow (GH-26690) (GH-26703)

(cherry picked from commit 59242431991794064824cf2ab70886367613f29e)

Co-authored-by: Mark Dickinson <mdickinson@enthought.com>

bpo-44396: Update multi-line-start location when reallocating tokenizer buffers (GH-26676) (GH-26695)

Automerge-Triggered-By: GH:pablogsal
(cherry picked from commit a342cc5891dbd8a08d40e9444f2e2c9e93258721)

[3.10] Add more const modifiers. (GH-26691). (GH-26692)

(cherry picked from commit be8b631b7a587aa781245e14c8cca32970e1be5b)

Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>

bpo-40128: Fix IDLE autocomplete on macOS (GH-26672)

In particular, when running with tk8.6.8, as in PSF 3.9.

Co-authored-by: Terry Jan Reedy <tjreedy@udel.edu>
(cherry picked from commit 3ec3ee7d2e9b45b586e486e429b412d6d0ca530f)

Co-authored-by: Kaustubh J <kaustubhkj@gmail.com>

bpo-44381: Windows build now allows enabling control flow guard (GH-26645)

(cherry picked from commit 5af56c6f2a0d11df37fed7ecaaf321cf6926ba13)

Co-authored-by: Steve Dower <steve.dower@python.org>

bpo-43318: Fix a bug where pdb does not always echo cleared breakpoints (GH-24646) (GH-26674)

(cherry picked from commit 4cb6ba14325cff98589c2660d1d2c65f4aacfee4)

Co-authored-by: huzhaojie <hu.zj@foxmail.com>

bpo-44242: [Enum] improve error messages (GH-26669)

(cherry picked from commit c956734d7af83ad31f847d31d0d26df087add9a4)

Co-authored-by: Ethan Furman <ethan@stoneleaf.us>
Co-authored-by: Ethan Furman <ethan@stoneleaf.us>

bpo-44378: Fix a compiler warning in Py_IS_TYPE() (GH-26644)

Py_IS_TYPE() no longer uses Py_TYPE() to avoid a compiler warning:
no longer cast "const PyObject*" to "PyObject*".
(cherry picked from commit 304dfec8d3c0763734ea8b5fa2af1d9e1ce69ffa)

Co-authored-by: Victor Stinner <vstinner@python.org>

bpo-44362: ssl: improve deprecation warnings and docs (GH-26646)

Signed-off-by: Christian Heimes <christian@python.org>
(cherry picked from commit e26014f1c47d26d6097ff7a0f25384bfbde714a9)

Co-authored-by: Christian Heimes <christian@python.org>

bpo-44342: [Enum] changed pickling from by-value to by-name (GH-26658) (GH-26660)

by-value lookups could fail on complex enums, necessitating a check for
__reduce__ and possibly sabotaging the final enum;

by-name lookups should never fail, and sabotaging is no longer necessary
for class-based enum creation.
(cherry picked from commit 62f1d2b3d7dda99598d053e10b785c463fdcf591)

Co-authored-by: Ethan Furman <ethan@stoneleaf.us>
Co-authored-by: Ethan Furman <ethan@stoneleaf.us>

bpo-44385: Remove unused grammar rules (GH-26655)

Automerge-Triggered-By: GH:lysnikolaou
(cherry picked from commit e7b4644607789848f9752a3bd20ff216e25b4156)

Co-authored-by: Lysandros Nikolaou <lisandrosnik@gmail.com>

bpo-44356: [Enum] allow multiple data-type mixins if they are all the same (GH-26649) (GH-26653)

This enables, for example, two base Enums to both inherit from `str`, and then both be mixed into the same final Enum:

    class Str1Enum(str, Enum):
        GH- some behavior here

    class Str2Enum(str, Enum):
        GH- some more behavior here

    class FinalStrEnum(Str1Enum, Str2Enum):
        GH- this now works
(cherry picked from commit 8a4f0850d75747af8c96ca0e7eef1f5c1abfba25)

Co-authored-by: Ethan Furman <ethan@stoneleaf.us>
Co-authored-by: Ethan Furman <ethan@stoneleaf.us>

bpo-37022: Fix bug where pdb's do_p/do_pp commands swallow exceptions from repr (GH-18180) (GH-26650)

(cherry picked from commit 6544b2532df82d137b71323445a07a6e29bcdec0)

Co-authored-by: Daniel Hahler <git@thequod.de>

bpo-33962: Use ttk spinbox for IDLE indent space config (GH-22954)

If ttk.Spinbox is not available (Tk < 8.5.9) use readonly ttk.Combobox.

Co-authored-by: Terry Jan Reedy <tjreedy@udel.edu>
(cherry picked from commit 42d5a4fc3b35e45cdd237d56a04e98894d0a31f5)

Co-authored-by: Mark Roseman <mark@markroseman.com>

[3.10] bpo-44242: [Enum] remove missing bits test from Flag creation (GH-26586) (GH-26635)

Move the check for missing named flags in flag aliases from Flag creation
to a new *verify* decorator..

(cherry picked from commit eea8148b7dff5ffc7b84433859ac819b1d92a74d)

Co-authored-by: Ethan Furman <ethan@stoneleaf.us>

bpo-44363: Get test_capi passing with address sanitizer (GH-26639)

(cherry picked from commit 31aa0dbff4c1d39c9d77c6c8f4a61d0e46c1268b)

Co-authored-by: Mark Shannon <mark@hotpy.org>

bpo-44368: Ensure we don't raise incorrect custom syntax errors with soft keywords (GH-26630)

(cherry picked from commit 457ce60fc70f1c9290023f46fb82b6a490dff32e)

Co-authored-by: Pablo Galindo <Pablogsal@gmail.com>

bpo-40468: Split IDLE settings General tab (GH-26621)

Replace it with Windows tab for Shell and Editor options
and Shell/Ed for options exclusive to one of them.

Create room for more options and make dialog shorter,
to better fit small windows.
(cherry picked from commit 275d5f7957dbb56a6d5e1248addff210ee2e7270)

Co-authored-by: Terry Jan Reedy <tjreedy@udel.edu>

bpo-40468: Factor out class ExtPage in idlelib.configdialog (GH-26618)

(cherry picked from commit 5571cabf1b3385087aba2c7c10289bba77494e08)

Co-authored-by: Terry Jan Reedy <tjreedy@udel.edu>

bpo-44349: Fix edge case when displaying text from files with encoding in syntax errors (GH-26611) (GH-26616)

(cherry picked from commit 9fd21f649d66dcb10108ee395fd68ed32c8239cd)

Co-authored-by: Pablo Galindo <Pablogsal@gmail.com>
Co-authored-by: Pablo Galindo <Pablogsal@gmail.com>

bpo-43833: Emit warnings for numeric literals followed by keyword (GH-25466)

Emit a deprecation warning if the numeric literal is immediately followed by
one of keywords: and, else, for, if, in, is, or. Raise a syntax error with
more informative message if it is immediately followed by other keyword or
identifier.

Automerge-Triggered-By: GH:pablogsal
(cherry picked from commit 2ea6d890281c415e0a2f00e63526e592da8ce3d9)

Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>

bpo-40468: Move IDLE helplist settings to extensions page of dialog. (GH-26593)

These are the settings that extend the help menu.  Moving them shortens the dialog and will help with it being too tall for small screens.
(cherry picked from commit ab36b9f83424a020fbd672f218612e6f19257a32)

Co-authored-by: Terry Jan Reedy <tjreedy@udel.edu>

bpo-44335: Ensure the tokenizer doesn't go into Python with the error set (GH-26608)

(cherry picked from commit bafe0aade5741ab0d13143ee261711fdd65e8a1f)

Co-authored-by: Pablo Galindo <Pablogsal@gmail.com>

[3.10] bpo-11105: reduce the recursion limit for tests. (GH-26607)

(cherry picked from commit e58d762c1fb4ad5e021d016c80c2bc4513632d2f)

Co-authored-by: Batuhan Taskaya <batuhan@python.org>

bpo-43795: Note Stable ABI PEP in What's New (GH-26479) (GH-26603)

(cherry picked from commit 257e400a19b34c7da6e2aa500d80b54e4c4dbf6f)
Co-authored-by: Petr Viktorin <encukou@gmail.com>
Co-authored-by: Ken Jin <28750310+Fidget-Spinner@users.noreply.github.com>

bpo-44335: Fix a regression when identifying invalid characters in syntax errors (GH-26589)

(cherry picked from commit d334c73b56756e90c33ce06e3a6ec23271aa099d)

Co-authored-by: Pablo Galindo <Pablogsal@gmail.com>

fix: use unambiguous punction in 'invalid escape sequence' message (GH-26582)

(cherry picked from commit ffd87b7093109c279caf8e3ca060f408a102388a)

Co-authored-by: Ned Batchelder <ned@nedbatchelder.com>

Use absolute imports in IDLE tests (GH-26581)

Relative imports do not work when running test_x as main.
(cherry picked from commit e915db3e9e512249a6f494c0b331db2d021e1f56)

Co-authored-by: Terry Jan Reedy <tjreedy@udel.edu>

bpo-44322: Document more SyntaxError details. (GH-26562)

1. SyntaxError args have a tuple of other attributes.
2. Attributes are adjusted for errors in f-string field expressions.
3. Compile() can raise SyntaxErrors.
(cherry picked from commit 67dfa6f2a508c325715625fe442f2ce20270a8b3)

Co-authored-by: Terry Jan Reedy <tjreedy@udel.edu>

bpo-44227: Update bisect docstrings (GH-26548) (GH-26563)

bpo-44320: Fix markup for W3C C14N test suite (GH-26556)

(cherry picked from commit 71be46170490d08743c714b9fa4484038aa7a23e)

Co-authored-by: NAKAMURA Osamu <osamu0329nakamura@users.noreply.github.com>

bpo-44304: Ensure the sqlite3 destructor callback is always called with the GIL held (GH-26551) (GH_26552)

(cherry picked from commit 6e3b7cf3af3ed7758b2c2193c1d393feb8ab8f72)

Co-authored-by: Pablo Galindo <Pablogsal@gmail.com>

bpo-44304: Fix crash in the sqlite3 module when the GC clears Statement objects (GH-26545)

(cherry picked from commit fa106a685c1f199aca5be5c2d0277a14cc9057bd)

Co-authored-by: Pablo Galindo <Pablogsal@gmail.com>

Update nonstandard variable names (GH-26540) (GH-26546)

Improve speed and accuracy for correlation() (GH-26135) (GH-26151)

bpo-38323: Skip SubprocessMultiLoopWatcherTest as they can hang the test suite (GH-26542) (GH-26544)

(cherry picked from commit f171877ebe276749f31386baed5841ce37cbee2e)

Co-authored-by: Pablo Galindo <Pablogsal@gmail.com>
Co-authored-by: Pablo Galindo <Pablogsal@gmail.com>

bpo-44279: revert 'exceptions are raised' back to 'exceptions occur' (GH-26492) (GH-26538)

(cherry picked from commit dda9ecbfece28aad7b8ba7eaf7951dd9816f78b1)

Co-authored-by: Irit Katriel <1055913+iritkatriel@users.noreply.github.com>

bpo-43853: Handle sqlite3_value_text() errors (GH-25422)

(cherry picked from commit 006fd869e4798b68e266f5de89c83ddb531a756b)

Co-authored-by: Erlend Egeberg Aasland <erlend.aasland@innova.no>

bpo-44048: Fix two hashlib test cases under FIPS mode (GH-26470) (GH-26531)

test_disallow_instantiation and test_readonly_types try to test all the available
digests, however under FIPS mode, while the algorithms are available, trying to use
them will fail with a ValueError.
(cherry picked from commit a46c220edc5cf716d0b71eb80ac29ecdb4ebb430)

Co-authored-by: stratakis <cstratak@redhat.com>
Co-authored-by: stratakis <cstratak@redhat.com>

[3.10] bpo-44305: Improve syntax error for try blocks without except or finally (GH-26523) (GH-26524)

(cherry picked from commit b250f89bb7e05e72a4641d44b988866b919575db)

Co-authored-by: Pablo Galindo <Pablogsal@gmail.com>

[3.10] bpo-44273: Improve syntax error message for assigning to "..." (GH-26477) (GH-26478)

Use "ellipsis" instead of "Ellipsis" in syntax error messages to eliminate confusion with built-in variable Ellipsis.
(cherry picked from commit 39dd141)

Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>

bpo-11105: Do not crash when compiling recursive ASTs (GH-20594)

When compiling an AST object with a direct / indirect reference
cycles, on the conversion phase because of exceeding amount of
calls, a segfault was raised. This patch adds recursion guards to
places for preventing user inputs to not to crash AST but instead
raise a RecursionError.
(cherry picked from commit f3491242e41933aa9529add7102edb68b80a25e9)

Co-authored-by: Batuhan Taskaya <batuhan@python.org>

bpo-43921: Fix test_ssl.test_wrong_cert_tls13() on Windows (GH-26502) (GH-26518)

Fix test_ssl.test_wrong_cert_tls13(): use suppress_ragged_eofs=False,
since read() can raise ssl.SSLEOFError on Windows.
(cherry picked from commit ea0210fa8ccca769896847f25fc6fadfe9a717bc)

Co-authored-by: Victor Stinner <vstinner@python.org>

[3.10] bpo-44298: Backport #26513 to 3.10 (#26516)

* Backport 937cebc93 to 3.10

* Update importlib

[3.10] bpo-42972: Track sqlite3 statement objects (GH-26475) (GH-26515)

Allocate and track statement objects in pysqlite_statement_create.

By allocating and tracking creation of statement object in
pysqlite_statement_create(), the caller does not need to worry about GC
syncronization, and eliminates the possibility of getting a badly
created object. All related fault handling is moved to
pysqlite_statement_create().

Co-authored-by: Victor Stinner <vstinner@python.org>.
(cherry picked from commit fffa0f92adaaed0bcb3907d982506f78925e9052)

Co-authored-by: Erlend Egeberg Aasland <erlend.aasland@innova.no>

Add bpo-42914 to What's New (GH-25124)

BPO-42914 was not added to the What's New in GH-24864. This includes it in the "Improved Modules" section.

Automerge-Triggered-By: GH:gpshead
(cherry picked from commit 4846ea95d1a121df5e8081e2a290f63d1419cad8)

Co-authored-by: Wm. Keith van der Meulen <keith@wkeithvan.com>

bpo-44022: Improve the regression test. (GH-26503)

It wasn't actually detecting the regression due to the
assertion being too lenient.
(cherry picked from commit e60ab843cbb016fb6ff8b4f418641ac05a9b2fcc)

Co-authored-by: Gregory P. Smith <greg@krypto.org>

bpo-44282: Fix occasional test_incremental_editing failures on buildbots (GH-26491) (GH-26499)

Signed-off-by: Tal Einat <532281+taleinat@users.noreply.github.com>
(cherry picked from commit adef445dc34685648bd0ea1c125df2ef143912ed)

Co-authored-by: Tal Einat <532281+taleinat@users.noreply.github.com>

bpo-44285: getpath.c: Assert that env_file is NULL during an error check (GH-26486)

This was flagged by a static analyzer, but the logic of why this is NULL on error is hard to follow for humans as well.
(cherry picked from commit bdb56902a3bfe12b10f85a941d5dd0eae739f1a8)

Co-authored-by: stratakis <cstratak@redhat.com>

bpo-43921: Fix test_ssl.test_pha_required_nocert() (GH-26489)

Fix test_pha_required_nocert() of test_ssl: catch two more EOF cases
(when the recv() method returns an empty string).
(cherry picked from commit 320eaa7f42b413cd5e5436ec92d4dc5ba150395f)

Co-authored-by: Victor Stinner <vstinner@python.org>

[3.10] bpo-44279: [doc] reword contextlib.suppress documentation (GH-26428) (GH-26480)

(cherry picked from commit 87272b70f157af76cb14ff90d73dfc5d9bfb945a)

Co-authored-by: MapleCCC <littlelittlemaple@gmail.com>

bpo-44246: Remove note about access by index now that a compatibility shim is offered. (GH-26472) (#26473)

(cherry picked from commit 78d9a9b1904f0e1d9db1e941c19782f4f5a881d4)

Co-authored-by: Jason R. Coombs <jaraco@jaraco.com>
Co-authored-by: Jason R. Coombs <jaraco@jaraco.com>

[3.10] bpo-44246: Restore compatibility in entry_points (GH-26468) (GH-26471)

* [bpo-44246](): Entry points performance improvements.

From importlib_metadata 4.3.1.

* [bpo-44246](): Sync with importlib_metadata 4.4
(cherry picked from commit c34ed08d975fb7daa7b329f7c631647782290393)

Co-authored-by: Jason R. Coombs <jaraco@jaraco.com>
Automerge-Triggered-By: GH:jaraco

bpo-44246: Entry points performance improvements. (GH-26467)

From importlib_metadata 4.3.1.
(cherry picked from commit 410b70d39d9d77384f8b8597560f6731530149ca)

Co-authored-by: Jason R. Coombs <jaraco@jaraco.com>

Post 3.10.0b2

Python 3.10.0b2

bpo-44263: Fix _decimal and _testcapi GC protocol (GH-26464) (GH-26465)

* _testcapi.heapgctype: implement a traverse function since the type
  is defined with Py_TPFLAGS_HAVE_GC.
* _decimal: PyDecSignalDictMixin_Type is no longer defined with
  Py_TPFLAGS_HAVE_GC since it has no traverse function.
(cherry picked from commit 142e5c5445c019542246d93fe2f9e195d3131686)

Co-authored-by: Victor Stinner <vstinner@python.org>
Co-authored-by: Victor Stinner <vstinner@python.org>

bpo-42972: Fully implement GC protocol for xxlimited (GH-26451) (GH-26460)

(cherry picked from commit 4b20f2574d412f4c4a5b1ab799d8e71a5dd3b766)

Co-authored-by: Hai Shi <shihai1992@gmail.com>
Co-authored-by: Hai Shi <shihai1992@gmail.com>

bpo-42972: Fix sqlite3 traverse/clear functions (GH-26452) (GH-26461)

(cherry picked from commit d1124b09e8251061dc040cbd396f35ae57783f4a)

Co-authored-by: Erlend Egeberg Aasland <erlend.aasland@innova.no>

bpo-42085: [docs] Add versionadded for am_send in type object documentation (GH-25465) (GH-26453)

(cherry picked from commit 0b11c429c7f1721d9ffb9ae19e3e8e2e7bd6444d)

Co-authored-by: Martmists <mail@martmists.com>

bpo-44263: Mention PyType_Ready in the gc protocol warning (GH-26445) (#26446)

(cherry picked from commit 43cf7c864a2941b3f8f823e5928721dd286b7778)

Co-authored-by: Pablo Galindo <Pablogsal@gmail.com>
Co-authored-by: Pablo Galindo <Pablogsal@gmail.com>

bpo-44254: On Mac, remove disfunctional colors from turtledemo buttons (GH-26448)

On macOS, tk defers to system setting for button background when in normal state.
Give turtledemo button text a color that works on either light or dark background.
(cherry picked from commit af5a324843de395cecc562cb0c757b3768f2077f)

Co-authored-by: Terry Jan Reedy <tjreedy@udel.edu>

bpo-44263: Better explain the GC contract for PyType_FromSpecWithBases (GH-26442) (GH-26443)

(cherry picked from commit 8b55bc3f93a655bc803bff79725d5fe3f124e2f0)

Co-authored-by: Pablo Galindo <Pablogsal@gmail.com>
Co-authored-by: Pablo Galindo <Pablogsal@gmail.com>

Fix dataclass comment typo _eq__ -> __eq__ (GH-26433) (GH-26436)

(cherry picked from commit 7e6f2375698036d62464c238059ef2073755fdaf)

Co-authored-by: Sean Grady <vedicmonk@gmail.com>
Co-authored-by: Sean Grady <vedicmonk@gmail.com>

bpo-44252: Correctly implement gc support for SSLError objects (GH-26439) (GH-26441)

(cherry picked from commit 8b4312b909abff3100c1f18fb3efa5c25617fee3)

Co-authored-by: Pablo Galindo <Pablogsal@gmail.com>

bpo-44249: Fix 3 README.rst typos (GH-26385)

(cherry picked from commit acac6c71ff370413374c6aca1df808c426e8a30c)

Co-authored-by: Ayush Parikh <ayushparikh332@gmail.com>

[3.10] bpo-42972: Fully support GC for _winapi.Overlapped (GH-26381)  (#26430)

* bpo-42972: Fully support GC for _winapi.Overlapped (GH-26381)

* untrack earlier

bpo-42972: Fully implement GC protocol for functools LRU cache (GH-26423)

(cherry picked from commit 3f8d33252722750e6c019d3df7ce0fabf7bdd45e)

Co-authored-by: Erlend Egeberg Aasland <erlend.aasland@innova.no>

bpo-42972: Fully implement GC protocol for functools keywrapper and partial types (GH-26363) (GH-26424)

(cherry picked from commit 8994e9c2cd775ddf7b0723824da53fe0d7c039ac)

Co-authored-by: Erlend Egeberg Aasland <erlend.aasland@innova.no>

bpo-44256: Do not expose _functools._list_elem_type (GH-26416)

It is internal use only type.
(cherry picked from commit 28be3191a9db2769ed05e55c6bcbccdd029656dd)

Co-authored-by: Inada Naoki <songofacandy@gmail.com>

bpo-41611: IDLE: Catch TclError exceptions in AutoCompleteWindow.winconfig_event() (GH-26404)

Since the <Configure> event may occur after the
completion window is gone, catch potential
TclError exceptions when accessing acw.

(cherry picked from commit 4e2e5c1c4f792b4011e4c78d011baea2aee39f1b)

bpo-42972: Fully implement GC protocol for re types (GH-26368) (GH-26414)

(cherry picked from commit fba42d11880f444bb94d9891e3949f082a57b9a9)

Co-authored-by: Erlend Egeberg Aasland <erlend.aasland@innova.no>

[3.10] bpo-44246: Update What's New for importlib.metadata. (GH-26408) (GH-26415)

* [bpo-44246](): Update What's New for importlib.metadata.

Bump version of importlib_metadata included.
Add note about compatibility notice and fix link to entry_points documentation.
Add note about removal of access by index on Distribution.entry_points.

* Fix syntax mistake in issue reference.

Co-authored-by: Ken Jin <28750310+Fidget-Spinner@users.noreply.github.com>
* Fix broken reference in entry-points.

Co-authored-by: Ken Jin <28750310+Fidget-Spinner@users.noreply.github.com>
(cherry picked from commit 28f12c9f4f39d283d823d81e311d863526dfdb54)

Co-authored-by: Jason R. Coombs <jaraco@jaraco.com>
Automerge-Triggered-By: GH:jaraco

bpo-42972: Fully support GC protocol for _operator heap types (GH-26371) (GH-26413)

(cherry picked from commit f4b70c22c8e37dd7a06702e30b121a6651683421)

Co-authored-by: Erlend Egeberg Aasland <erlend.aasland@innova.no>

bpo-43667: Add news fragment for Solaris changes (GH-26405) (GH-26409)

(cherry picked from commit 164a4f46d1606e21d82babc010e397a9116e6730)

Co-authored-by: Jakub Kulík <Kulikjak@gmail.com>

bpo-42972: Fully support GC for mmap heap types (GH-26373)

(cherry picked from commit 318adeba780851c416505e48a3454cacca831419)

Co-authored-by: Erlend Egeberg Aasland <erlend.aasland@innova.no>

bpo-42972: Fully support GC protocol for _queue.SimpleQueue (GH-26372) (GH-26406)

(cherry picked from commit 4d7f8f9f7fb09ea8eb4e43409a16a91b0bf18571)

Co-authored-by: Erlend Egeberg Aasland <erlend.aasland@innova.no>

bpo-42972: Fully implement GC protocol for ssl heap types (GH-26370) (GH-26399)

(cherry picked from commit dcb8786a9848516e823e090bb36079678913d8d3)

Co-authored-by: Erlend Egeberg Aasland <erlend.aasland@innova.no>

bpo-42972: Fully support GC for pyexpat, unicodedata, and dbm/gdbm heap types (GH-26376)

* bpo-42972: pyexpat
* bpo-42972: unicodedata
* bpo-42972: dbm/gdbm
(cherry picked from commit 59af59c2dfa52dcd5605185263f266a49ced934c)

Co-authored-by: Erlend Egeberg Aasland <erlend.aasland@innova.no>

bpo-41611: IDLE: fix freezing on completion on macOS (GH-26400)

(cherry picked from commit abc4bd5db91c86b6b74289241378a13bd3a0a5e2)

Co-authored-by: Tal Einat <532281+taleinat@users.noreply.github.com>

[3.10] bpo-38908: [docs] Add changes to 3.10 whatsnew and fix some minor inaccuracies in news (GH-26096) (GH-26337)

The fix only applies to ``isinstance``. ``issubclass`` isn't affected (because it was always working to begin with). So I also fixed the news to reflect that.
(cherry picked from commit 8450e8a81f6d54f45e1fc5c13a03878c9978750d)

Co-authored-by: Ken Jin <28750310+Fidget-Spinner@users.noreply.github.com>

[3.10] bpo-42972: Fully support GC for hashlib heap types (GH-26374) (GH-26398)

(cherry picked from commit 6ef5ba391d700bde7ec3ffd5fb7132a30dd309c4)

Co-authored-by: Erlend Egeberg Aasland <erlend.aasland@innova.no>
Automerge-Triggered-By: GH:tiran

[3.10] bpo-44241: Incorporate changes from importlib_metadata 4.1. (GH-26382) (GH-26395)

(cherry picked from commit 06ac3a4742228b0230981720060248a7425b2486)

Co-authored-by: Jason R. Coombs <jaraco@jaraco.com>
Automerge-Triggered-By: GH:jaraco

bpo-42161: mathmodule.c: move _PyLong_GetOne() loop invariant (GH-26391) (GH-26393)

Move _PyLong_GetZero() and _PyLong_GetOne() loop invariants outside
loops in functions:

* math.comb()
* math.gcd()
* math.lcm()
* math.perm()
(cherry picked from commit 3e7ee02327db13e4337374597cdc4458ecb9e3ad)

Co-authored-by: Victor Stinner <vstinner@python.org>

[3.10] bpo-42392: [docs] Add deprecated-removed loop labels for asyncio (GH-26357) (GH-26390)

* Add deprecated-removed loop labels for all reelvant functions/classes in asyncio
(cherry picked from commit d8fd8c8568cbc2f53c1abeda3596a89a46f0e3d7)

Co-authored-by: Ken Jin <28750310+Fidget-Spinner@users.noreply.github.com>
Automerge-Triggered-By: GH:gpshead

bpo-38693: Prefer f-strings in importlib.resources (importlib_resources 5.0.6). (GH-26387) (#26389)

Automerge-Triggered-By: GH:jaraco
(cherry picked from commit f6fbdb90ee450ad693f7a7809035d0dc968f98b7)

Co-authored-by: Jason R. Coombs <jaraco@jaraco.com>
Co-authored-by: Jason R. Coombs <jaraco@jaraco.com>

bpo-38693: importlib.metadata f-strings (GH-26383)

Automerge-Triggered-By: GH:jaraco
(cherry picked from commit e6c815d2e34be5fdf6dbe773f0781691746d2289)

Co-authored-by: Jason R. Coombs <jaraco@jaraco.com>

bpo-41147: [doc] contextlib.redirect_stdout() provides the new stream as context var (GH-21199) (GH-26379)

(cherry picked from commit 46db39d7bd67fb9fea133cd4f18cdf7eacb0f6d9)

Co-authored-by: Peter Law <PeterJCLaw@gmail.com>

bpo-44232: Fix type_new() error reporting (GH-26359) (GH-26365)

Fix a regression in type() when a metaclass raises an exception. The
C function type_new() must properly report the exception when a
metaclass constructor raises an exception and the winner class is not
the metaclass.
(cherry picked from commit bd199e72fb60a8ff001a023f23925092a290be91)

Co-authored-by: Victor Stinner <vstinner@python.org>

Point to recent link to PyFLTK (GH-26315) (GH-26366)

(cherry picked from commit ee3d78ef730116f2c43afc248d207ca1d47eee08)

Co-authored-by: Mark <mark@qtrac.eu>
Co-authored-by: Mark <mark@qtrac.eu>

bpo-42972: Fully implement GC protocol for arraymodule types (GH-26114)

(cherry picked from commit bd404ccac0d3e8358995ac0cbeec9373bb6c4d96)

Co-authored-by: Erlend Egeberg Aasland <erlend.aasland@innova.no>

bpo-42972: Fully implement GC protocol for sqlite3 heap types (GH-26104)

(cherry picked from commit d3c277a59c3d93fb92f7026f63678083d1d49fc5)

Co-authored-by: Erlend Egeberg Aasland <erlend.aasland@innova.no>

bpo-20408: Fix memoryview() signature in docs (GH-24431)

(cherry picked from commit d18e5dae914b1db49b25ed7729c07a535d1f0c52)

Co-authored-by: Mariusz Felisiak <felisiak.mariusz@gmail.com>

bpo-43795: Remove Py_FrozenMain from the Limited API & Stable ABI  (GH-26241) (GH-26353)

Py_FrozenMain was added to the Limited C API in [bpo-42591]() (3.10.0a4);
but to fix that issue it would be enough to add it to the regular C API.

The function is undocumented, tests were added very recently ([bpo-44131]()),
and most importantly, it is not present in all builds of Python, as
the linker sometimes omits it as unused.
It should be added back when these issues are fixed.

Note that this does not affect Python's regular C API.
(cherry picked from commit d16856960e33bc5f64fc5b842f132058becafa37)

Co-authored-by: Petr Viktorin <encukou@gmail.com>
Co-authored-by: Petr Viktorin <encukou@gmail.com>

bpo-43109: configure doc: LTO requires "ar" on macOS (GH-26349)

(cherry picked from commit 63f17c252ab1b9357c5f022296213c42d9629458)

Co-authored-by: Victor Stinner <vstinner@python.org>