From 4e6a693057cfaf1ce1f07b019ed3bfce2bf936f6 Mon Sep 17 00:00:00 2001
From: bashonly <88596187+bashonly@users.noreply.github.com>
Date: Wed, 15 Oct 2025 05:25:21 -0500
Subject: [PATCH] Remove Python 3.9 support (#13861)

Closes #13858
Authored by: bashonly
---
 .github/workflows/build.yml           | 12 +++--
 .github/workflows/core.yml            |  8 ++-
 .github/workflows/download.yml        |  6 +--
 .github/workflows/quick-test.yml      |  6 +--
 .github/workflows/signature-tests.yml |  2 +-
 CONTRIBUTING.md                       |  2 +-
 README.md                             |  6 +--
 devscripts/make_changelog.py          |  2 +-
 pyproject.toml                        |  4 +-
 test/helper.py                        |  2 +-
 test/test_YoutubeDL.py                |  7 +--
 test/test_postprocessors.py           |  2 +-
 test/test_traversal.py                |  2 +-
 test/test_utils.py                    |  2 +-
 yt_dlp/YoutubeDL.py                   |  9 ++--
 yt_dlp/__init__.py                    | 13 ++---
 yt_dlp/aes.py                         |  2 +-
 yt_dlp/compat/types.py                | 13 -----
 yt_dlp/compat/urllib/request.py       | 12 ++---
 yt_dlp/extractor/archiveorg.py        |  2 +-
 yt_dlp/extractor/common.py            |  4 +-
 yt_dlp/extractor/dtube.py             |  3 +-
 yt_dlp/extractor/fujitv.py            |  2 +-
 yt_dlp/extractor/kaltura.py           |  2 +-
 yt_dlp/extractor/lynda.py             |  3 +-
 yt_dlp/extractor/mojevideo.py         |  2 +-
 yt_dlp/extractor/nhk.py               |  2 +-
 yt_dlp/extractor/pbs.py               |  4 +-
 yt_dlp/extractor/polskieradio.py      |  2 +-
 yt_dlp/extractor/pr0gramm.py          |  2 +-
 yt_dlp/extractor/tiktok.py            |  2 +-
 yt_dlp/jsinterp.py                    |  2 +-
 yt_dlp/networking/_requests.py        |  5 +-
 yt_dlp/networking/common.py           |  2 +-
 yt_dlp/networking/impersonate.py      |  2 +-
 yt_dlp/plugins.py                     | 15 ++----
 yt_dlp/postprocessor/ffmpeg.py        |  4 +-
 yt_dlp/update.py                      | 12 ++---
 yt_dlp/utils/_legacy.py               | 73 ---------------------------
 yt_dlp/utils/_utils.py                | 11 ++--
 yt_dlp/utils/jslib/devalue.py         |  4 +-
 yt_dlp/webvtt.py                      |  2 +-
 42 files changed, 84 insertions(+), 190 deletions(-)
 delete mode 100644 yt_dlp/compat/types.py

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index fda92cea88..e20373ec02 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -558,35 +558,39 @@ jobs:
           cat >> _update_spec << EOF
           # This file is used for regulating self-update
           lock 2022.08.18.36 .+ Python 3\.6
-          lock 2023.11.16 (?!win_x86_exe).+ Python 3\.7
+          lock 2023.11.16 zip Python 3\.7
           lock 2023.11.16 win_x86_exe .+ Windows-(?:Vista|2008Server)
           lock 2024.10.22 py2exe .+
           lock 2024.10.22 zip Python 3\.8
           lock 2024.10.22 win(?:_x86)?_exe Python 3\.[78].+ Windows-(?:7-|2008ServerR2)
           lock 2025.08.11 darwin_legacy_exe .+
           lock 2025.08.27 linux_armv7l_exe .+
+          lock 2025.10.14 zip Python 3\.9
           lockV2 yt-dlp/yt-dlp 2022.08.18.36 .+ Python 3\.6
-          lockV2 yt-dlp/yt-dlp 2023.11.16 (?!win_x86_exe).+ Python 3\.7
+          lockV2 yt-dlp/yt-dlp 2023.11.16 zip Python 3\.7
           lockV2 yt-dlp/yt-dlp 2023.11.16 win_x86_exe .+ Windows-(?:Vista|2008Server)
           lockV2 yt-dlp/yt-dlp 2024.10.22 py2exe .+
           lockV2 yt-dlp/yt-dlp 2024.10.22 zip Python 3\.8
           lockV2 yt-dlp/yt-dlp 2024.10.22 win(?:_x86)?_exe Python 3\.[78].+ Windows-(?:7-|2008ServerR2)
           lockV2 yt-dlp/yt-dlp 2025.08.11 darwin_legacy_exe .+
           lockV2 yt-dlp/yt-dlp 2025.08.27 linux_armv7l_exe .+
-          lockV2 yt-dlp/yt-dlp-nightly-builds 2023.11.15.232826 (?!win_x86_exe).+ Python 3\.7
+          lockV2 yt-dlp/yt-dlp 2025.10.14 zip Python 3\.9
+          lockV2 yt-dlp/yt-dlp-nightly-builds 2023.11.15.232826 zip Python 3\.7
           lockV2 yt-dlp/yt-dlp-nightly-builds 2023.11.15.232826 win_x86_exe .+ Windows-(?:Vista|2008Server)
           lockV2 yt-dlp/yt-dlp-nightly-builds 2024.10.22.051025 py2exe .+
           lockV2 yt-dlp/yt-dlp-nightly-builds 2024.10.22.051025 zip Python 3\.8
           lockV2 yt-dlp/yt-dlp-nightly-builds 2024.10.22.051025 win(?:_x86)?_exe Python 3\.[78].+ Windows-(?:7-|2008ServerR2)
           lockV2 yt-dlp/yt-dlp-nightly-builds 2025.08.12.233030 darwin_legacy_exe .+
           lockV2 yt-dlp/yt-dlp-nightly-builds 2025.08.30.232839 linux_armv7l_exe .+
-          lockV2 yt-dlp/yt-dlp-master-builds 2023.11.15.232812 (?!win_x86_exe).+ Python 3\.7
+          lockV2 yt-dlp/yt-dlp-nightly-builds 2025.10.14.232845 zip Python 3\.9
+          lockV2 yt-dlp/yt-dlp-master-builds 2023.11.15.232812 zip Python 3\.7
           lockV2 yt-dlp/yt-dlp-master-builds 2023.11.15.232812 win_x86_exe .+ Windows-(?:Vista|2008Server)
           lockV2 yt-dlp/yt-dlp-master-builds 2024.10.22.045052 py2exe .+
           lockV2 yt-dlp/yt-dlp-master-builds 2024.10.22.060347 zip Python 3\.8
           lockV2 yt-dlp/yt-dlp-master-builds 2024.10.22.060347 win(?:_x86)?_exe Python 3\.[78].+ Windows-(?:7-|2008ServerR2)
           lockV2 yt-dlp/yt-dlp-master-builds 2025.08.12.232447 darwin_legacy_exe .+
           lockV2 yt-dlp/yt-dlp-master-builds 2025.09.05.212910 linux_armv7l_exe .+
+          lockV2 yt-dlp/yt-dlp-master-builds 2025.10.14.232330 zip Python 3\.9
           EOF
 
       - name: Sign checksum files
diff --git a/.github/workflows/core.yml b/.github/workflows/core.yml
index 93442529f5..d76495a25d 100644
--- a/.github/workflows/core.yml
+++ b/.github/workflows/core.yml
@@ -36,12 +36,10 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest]
-        # CPython 3.9 is in quick-test
-        python-version: ['3.10', '3.11', '3.12', '3.13', '3.14-dev', pypy-3.11]
+        # CPython 3.10 is in quick-test
+        python-version: ['3.11', '3.12', '3.13', '3.14', pypy-3.11]
         include:
         # atleast one of each CPython/PyPy tests must be in windows
-        - os: windows-latest
-          python-version: '3.9'
         - os: windows-latest
           python-version: '3.10'
         - os: windows-latest
@@ -51,7 +49,7 @@ jobs:
         - os: windows-latest
           python-version: '3.13'
         - os: windows-latest
-          python-version: '3.14-dev'
+          python-version: '3.14'
         - os: windows-latest
           python-version: pypy-3.11
     steps:
diff --git a/.github/workflows/download.yml b/.github/workflows/download.yml
index 8dbfee6f88..e5debc786d 100644
--- a/.github/workflows/download.yml
+++ b/.github/workflows/download.yml
@@ -13,7 +13,7 @@ jobs:
     - name: Set up Python
       uses: actions/setup-python@v6
       with:
-        python-version: 3.9
+        python-version: '3.10'
     - name: Install test requirements
       run: python3 ./devscripts/install_deps.py --include dev
     - name: Run tests
@@ -28,11 +28,11 @@ jobs:
       fail-fast: true
       matrix:
         os: [ubuntu-latest]
-        python-version: ['3.10', '3.11', '3.12', '3.13', '3.14-dev', pypy-3.11]
+        python-version: ['3.11', '3.12', '3.13', '3.14', pypy-3.11]
         include:
         # atleast one of each CPython/PyPy tests must be in windows
         - os: windows-latest
-          python-version: '3.9'
+          python-version: '3.10'
         - os: windows-latest
           python-version: pypy-3.11
     steps:
diff --git a/.github/workflows/quick-test.yml b/.github/workflows/quick-test.yml
index 1c0fb4e4da..307559b96c 100644
--- a/.github/workflows/quick-test.yml
+++ b/.github/workflows/quick-test.yml
@@ -10,10 +10,10 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v4
-    - name: Set up Python 3.9
+    - name: Set up Python 3.10
       uses: actions/setup-python@v6
       with:
-        python-version: '3.9'
+        python-version: '3.10'
     - name: Install test requirements
       run: python3 ./devscripts/install_deps.py -o --include test
     - name: Run tests
@@ -29,7 +29,7 @@ jobs:
     - uses: actions/checkout@v4
     - uses: actions/setup-python@v6
       with:
-        python-version: '3.9'
+        python-version: '3.10'
     - name: Install dev dependencies
       run: python3 ./devscripts/install_deps.py -o --include static-analysis
     - name: Make lazy extractors
diff --git a/.github/workflows/signature-tests.yml b/.github/workflows/signature-tests.yml
index ae2221d28a..8d48dff669 100644
--- a/.github/workflows/signature-tests.yml
+++ b/.github/workflows/signature-tests.yml
@@ -25,7 +25,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, windows-latest]
-        python-version: ['3.9', '3.10', '3.11', '3.12', '3.13', '3.14-dev', pypy-3.11]
+        python-version: ['3.10', '3.11', '3.12', '3.13', '3.14', pypy-3.11]
     steps:
     - uses: actions/checkout@v4
     - name: Set up Python ${{ matrix.python-version }}
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 25cdf21e20..89327581c0 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -284,7 +284,7 @@ ## Adding support for a new site
 
     You can use `hatch fmt` to automatically fix problems. Rules that the linter/formatter enforces should not be disabled with `# noqa` unless a maintainer requests it. The only exception allowed is for old/printf-style string formatting in GraphQL query templates (use `# noqa: UP031`).
 
-1. Make sure your code works under all [Python](https://www.python.org/) versions supported by yt-dlp, namely CPython >=3.9 and PyPy >=3.11. Backward compatibility is not required for even older versions of Python.
+1. Make sure your code works under all [Python](https://www.python.org/) versions supported by yt-dlp, namely CPython >=3.10 and PyPy >=3.11. Backward compatibility is not required for even older versions of Python.
 1. When the tests pass, [add](https://git-scm.com/docs/git-add) the new files, [commit](https://git-scm.com/docs/git-commit) them and [push](https://git-scm.com/docs/git-push) the result, like this:
 
     ```shell
diff --git a/README.md b/README.md
index 60c312114b..6ee8d641ee 100644
--- a/README.md
+++ b/README.md
@@ -194,7 +194,7 @@ # To install nightly with pip:
 You can suppress this warning by adding `--no-update` to your command or configuration file.
 
 ## DEPENDENCIES
-Python versions 3.9+ (CPython) and 3.11+ (PyPy) are supported. Other versions and implementations may or may not work correctly.
+Python versions 3.10+ (CPython) and 3.11+ (PyPy) are supported. Other versions and implementations may or may not work correctly.
 
 <!-- Python 3.5+ uses VC++14 and it is already embedded in the binary created
 <!x-- https://www.microsoft.com/en-us/download/details.aspx?id=26999 --x>
@@ -273,7 +273,7 @@ ### Standalone PyInstaller Builds
 **Important**: Running `pyinstaller` directly **instead of** using `python -m bundle.pyinstaller` is **not** officially supported. This may or may not work correctly.
 
 ### Platform-independent Binary (UNIX)
-You will need the build tools `python` (3.9+), `zip`, `make` (GNU), `pandoc`\* and `pytest`\*.
+You will need the build tools `python` (3.10+), `zip`, `make` (GNU), `pandoc`\* and `pytest`\*.
 
 After installing these, simply run `make`.
 
@@ -2255,7 +2255,7 @@ ### Differences in default behavior
 
 Some of yt-dlp's default options are different from that of youtube-dl and youtube-dlc:
 
-* yt-dlp supports only [Python 3.9+](## "Windows 8"), and will remove support for more versions as they [become EOL](https://devguide.python.org/versions/#python-release-cycle); while [youtube-dl still supports Python 2.6+ and 3.2+](https://github.com/ytdl-org/youtube-dl/issues/30568#issue-1118238743)
+* yt-dlp supports only [Python 3.10+](## "Windows 8"), and will remove support for more versions as they [become EOL](https://devguide.python.org/versions/#python-release-cycle); while [youtube-dl still supports Python 2.6+ and 3.2+](https://github.com/ytdl-org/youtube-dl/issues/30568#issue-1118238743)
 * The options `--auto-number` (`-A`), `--title` (`-t`) and `--literal` (`-l`), no longer work. See [removed options](#Removed) for details
 * `avconv` is not supported as an alternative to `ffmpeg`
 * yt-dlp stores config files in slightly different locations to youtube-dl. See [CONFIGURATION](#configuration) for a list of correct locations
diff --git a/devscripts/make_changelog.py b/devscripts/make_changelog.py
index 7c876101b4..0b2eb93b4e 100644
--- a/devscripts/make_changelog.py
+++ b/devscripts/make_changelog.py
@@ -373,7 +373,7 @@ def groups(self):
             issues = [issue.strip()[1:] for issue in issues.split(',')] if issues else []
 
             if prefix:
-                groups, details, sub_details = zip(*map(self.details_from_prefix, prefix.split(',')))
+                groups, details, sub_details = zip(*map(self.details_from_prefix, prefix.split(',')), strict=True)
                 group = next(iter(filter(None, groups)), None)
                 details = ', '.join(unique(details))
                 sub_details = list(itertools.chain.from_iterable(sub_details))
diff --git a/pyproject.toml b/pyproject.toml
index 3438140525..36a579fddb 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -13,7 +13,7 @@ maintainers = [
 ]
 description = "A feature-rich command-line audio/video downloader"
 readme = "README.md"
-requires-python = ">=3.9"
+requires-python = ">=3.10"
 keywords = [
     "cli",
     "downloader",
@@ -30,7 +30,6 @@ classifiers = [
     "Environment :: Console",
     "Programming Language :: Python",
     "Programming Language :: Python :: 3 :: Only",
-    "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",
@@ -168,7 +167,6 @@ run-cov = "echo Code coverage not implemented && exit 1"
 
 [[tool.hatch.envs.hatch-test.matrix]]
 python = [
-    "3.9",
     "3.10",
     "3.11",
     "3.12",
diff --git a/test/helper.py b/test/helper.py
index e4cb478e28..e96835fc46 100644
--- a/test/helper.py
+++ b/test/helper.py
@@ -176,7 +176,7 @@ def _iter_differences(got, expected, field):
             yield field, f'expected length of {len(expected)}, got {len(got)}'
             return
 
-        for index, (got_val, expected_val) in enumerate(zip(got, expected)):
+        for index, (got_val, expected_val) in enumerate(zip(got, expected, strict=True)):
             field_name = str(index) if field is None else f'{field}.{index}'
             yield from _iter_differences(got_val, expected_val, field_name)
         return
diff --git a/test/test_YoutubeDL.py b/test/test_YoutubeDL.py
index 91312e4e5f..72dfc20288 100644
--- a/test/test_YoutubeDL.py
+++ b/test/test_YoutubeDL.py
@@ -13,6 +13,7 @@
 
 import contextlib
 import copy
+import itertools
 import json
 
 from test.helper import FakeYDL, assertRegexpMatches, try_rm
@@ -414,7 +415,7 @@ def format_info(f_id):
         downloaded_ids = [info['format_id'] for info in ydl.downloaded_info_dicts]
         self.assertEqual(downloaded_ids, ['248+141'])
 
-        for f1, f2 in zip(formats_order, formats_order[1:]):
+        for f1, f2 in itertools.pairwise(formats_order):
             info_dict = _make_result([f1, f2], extractor='youtube')
             ydl = YDL({'format': 'best/bestvideo'})
             ydl.sort_formats(info_dict)
@@ -749,7 +750,7 @@ def test(tmpl, expected, *, info=None, **params):
 
             if not isinstance(expected, (list, tuple)):
                 expected = (expected, expected)
-            for (name, got), expect in zip((('outtmpl', out), ('filename', fname)), expected):
+            for (name, got), expect in zip((('outtmpl', out), ('filename', fname)), expected, strict=True):
                 if callable(expect):
                     self.assertTrue(expect(got), f'Wrong {name} from {tmpl}')
                 elif expect is not None:
@@ -1147,7 +1148,7 @@ def test_selection(params, expected_ids, evaluate_all=False):
                 entries = func(evaluated)
                 results = [(v['playlist_autonumber'] - 1, (int(v['id']), v['playlist_index']))
                            for v in get_downloaded_info_dicts(params, entries)]
-                self.assertEqual(results, list(enumerate(zip(expected_ids, expected_ids))), f'Entries of {name} for {params}')
+                self.assertEqual(results, list(enumerate(zip(expected_ids, expected_ids, strict=True))), f'Entries of {name} for {params}')
                 self.assertEqual(sorted(evaluated), expected_eval, f'Evaluation of {name} for {params}')
 
         test_selection({}, INDICES)
diff --git a/test/test_postprocessors.py b/test/test_postprocessors.py
index ecc73e39eb..3911567066 100644
--- a/test/test_postprocessors.py
+++ b/test/test_postprocessors.py
@@ -115,7 +115,7 @@ def _chapters(self, ends, titles):
         self.assertEqual(len(ends), len(titles))
         start = 0
         chapters = []
-        for e, t in zip(ends, titles):
+        for e, t in zip(ends, titles, strict=True):
             chapters.append(self._chapter(start, e, t))
             start = e
         return chapters
diff --git a/test/test_traversal.py b/test/test_traversal.py
index 52215f5a7b..d4abacc597 100644
--- a/test/test_traversal.py
+++ b/test/test_traversal.py
@@ -417,7 +417,7 @@ def test_traversal_unbranching(self):
 
     def test_traversal_morsel(self):
         morsel = http.cookies.Morsel()
-        values = dict(zip(morsel, 'abcdefghijklmnop'))
+        values = dict(zip(morsel, 'abcdefghijklmnop', strict=False))
         morsel.set('item_key', 'item_value', 'coded_value')
         morsel.update(values)
         values['key'] = 'item_key'
diff --git a/test/test_utils.py b/test/test_utils.py
index 83916b46d9..0865b39810 100644
--- a/test/test_utils.py
+++ b/test/test_utils.py
@@ -1863,7 +1863,7 @@ def test_get_elements_text_and_html_by_attribute(self):
 
         self.assertEqual(
             list(get_elements_text_and_html_by_attribute('class', 'foo bar', html)),
-            list(zip(['nice', 'also nice'], self.GET_ELEMENTS_BY_CLASS_RES)))
+            list(zip(['nice', 'also nice'], self.GET_ELEMENTS_BY_CLASS_RES, strict=True)))
         self.assertEqual(list(get_elements_text_and_html_by_attribute('class', 'foo', html)), [])
         self.assertEqual(list(get_elements_text_and_html_by_attribute('class', 'no-such-foo', html)), [])
 
diff --git a/yt_dlp/YoutubeDL.py b/yt_dlp/YoutubeDL.py
index 3b41a15196..2e36319dd8 100644
--- a/yt_dlp/YoutubeDL.py
+++ b/yt_dlp/YoutubeDL.py
@@ -2007,7 +2007,7 @@ def __process_playlist(self, ie_result, download):
         else:
             entries = resolved_entries = list(entries)
             n_entries = len(resolved_entries)
-            ie_result['requested_entries'], ie_result['entries'] = tuple(zip(*resolved_entries)) or ([], [])
+            ie_result['requested_entries'], ie_result['entries'] = tuple(zip(*resolved_entries, strict=True)) or ([], [])
         if not ie_result.get('playlist_count'):
             # Better to do this after potentially exhausting entries
             ie_result['playlist_count'] = all_entries.get_full_count()
@@ -2785,7 +2785,7 @@ def sanitize_numeric_fields(info):
 
         dummy_chapter = {'end_time': 0, 'start_time': info_dict.get('duration')}
         for idx, (prev, current, next_) in enumerate(zip(
-                (dummy_chapter, *chapters), chapters, (*chapters[1:], dummy_chapter)), 1):
+                (dummy_chapter, *chapters), chapters, (*chapters[1:], dummy_chapter), strict=False), 1):
             if current.get('start_time') is None:
                 current['start_time'] = prev.get('end_time')
             if not current.get('end_time'):
@@ -3370,7 +3370,7 @@ def _write_link_file(link_type):
                 def existing_video_file(*filepaths):
                     ext = info_dict.get('ext')
                     converted = lambda file: replace_extension(file, self.params.get('final_ext') or ext, ext)
-                    file = self.existing_file(itertools.chain(*zip(map(converted, filepaths), filepaths)),
+                    file = self.existing_file(itertools.chain(*zip(map(converted, filepaths), filepaths, strict=True)),
                                               default_overwrite=False)
                     if file:
                         info_dict['ext'] = os.path.splitext(file)[1][1:]
@@ -3956,7 +3956,7 @@ def render_thumbnails_table(self, info_dict):
 
     def render_subtitles_table(self, video_id, subtitles):
         def _row(lang, formats):
-            exts, names = zip(*((f['ext'], f.get('name') or 'unknown') for f in reversed(formats)))
+            exts, names = zip(*((f['ext'], f.get('name') or 'unknown') for f in reversed(formats)), strict=True)
             if len(set(names)) == 1:
                 names = [] if names[0] == 'unknown' else names[:1]
             return [lang, ', '.join(names), ', '.join(exts)]
@@ -4112,7 +4112,6 @@ def cookiejar(self):
                 self.params.get('cookiefile'), self.params.get('cookiesfrombrowser'), self)
         except CookieLoadError as error:
             cause = error.__context__
-            # compat: <=py3.9: `traceback.format_exception` has a different signature
             self.report_error(str(cause), tb=''.join(traceback.format_exception(None, cause, cause.__traceback__)))
             raise
 
diff --git a/yt_dlp/__init__.py b/yt_dlp/__init__.py
index 224679e53b..8aee126030 100644
--- a/yt_dlp/__init__.py
+++ b/yt_dlp/__init__.py
@@ -1,8 +1,8 @@
 import sys
 
-if sys.version_info < (3, 9):
+if sys.version_info < (3, 10):
     raise ImportError(
-        f'You are using an unsupported version of Python. Only Python versions 3.9 and above are supported by yt-dlp')  # noqa: F541
+        f'You are using an unsupported version of Python. Only Python versions 3.10 and above are supported by yt-dlp')  # noqa: F541
 
 __license__ = 'The Unlicense'
 
@@ -974,13 +974,8 @@ def _real_main(argv=None):
 
         try:
             updater = Updater(ydl, opts.update_self)
-            if opts.update_self and updater.update() and actual_use:
-                if updater.cmd:
-                    return updater.restart()
-                # This code is reachable only for zip variant in py < 3.10
-                # It makes sense to exit here, but the old behavior is to continue
-                ydl.report_warning('Restart yt-dlp to use the updated version')
-                # return 100, 'ERROR: The program must exit for the update to complete'
+            if opts.update_self and updater.update() and actual_use and updater.cmd:
+                return updater.restart()
         except Exception:
             traceback.print_exc()
             ydl._download_retcode = 100
diff --git a/yt_dlp/aes.py b/yt_dlp/aes.py
index 600cb12a89..e5a2e67cff 100644
--- a/yt_dlp/aes.py
+++ b/yt_dlp/aes.py
@@ -447,7 +447,7 @@ def key_schedule_core(data, rcon_iteration):
 
 
 def xor(data1, data2):
-    return [x ^ y for x, y in zip(data1, data2)]
+    return [x ^ y for x, y in zip(data1, data2, strict=False)]
 
 
 def iter_mix_columns(data, matrix):
diff --git a/yt_dlp/compat/types.py b/yt_dlp/compat/types.py
deleted file mode 100644
index 4aa3b0efdd..0000000000
--- a/yt_dlp/compat/types.py
+++ /dev/null
@@ -1,13 +0,0 @@
-# flake8: noqa: F405
-from types import *  # noqa: F403
-
-from .compat_utils import passthrough_module
-
-passthrough_module(__name__, 'types')
-del passthrough_module
-
-try:
-    # NB: pypy has builtin NoneType, so checking NameError won't work
-    from types import NoneType  # >= 3.10
-except ImportError:
-    NoneType = type(None)
diff --git a/yt_dlp/compat/urllib/request.py b/yt_dlp/compat/urllib/request.py
index dfc7f4a2dc..ddb4e6f031 100644
--- a/yt_dlp/compat/urllib/request.py
+++ b/yt_dlp/compat/urllib/request.py
@@ -22,15 +22,11 @@
 
     def getproxies_registry_patched():
         proxies = getproxies_registry()
-        if (
-            sys.version_info >= (3, 10, 5)  # https://docs.python.org/3.10/whatsnew/changelog.html#python-3-10-5-final
-            or (3, 9, 13) <= sys.version_info < (3, 10)  # https://docs.python.org/3.9/whatsnew/changelog.html#python-3-9-13-final
-        ):
-            return proxies
 
-        for scheme in ('https', 'ftp'):
-            if scheme in proxies and proxies[scheme].startswith(f'{scheme}://'):
-                proxies[scheme] = 'http' + proxies[scheme][len(scheme):]
+        if sys.version_info < (3, 10, 5):  # https://docs.python.org/3.10/whatsnew/changelog.html#python-3-10-5-final
+            for scheme in ('https', 'ftp'):
+                if scheme in proxies and proxies[scheme].startswith(f'{scheme}://'):
+                    proxies[scheme] = 'http' + proxies[scheme][len(scheme):]
 
         return proxies
 
diff --git a/yt_dlp/extractor/archiveorg.py b/yt_dlp/extractor/archiveorg.py
index 1864ddbfd9..9a4e0b8c80 100644
--- a/yt_dlp/extractor/archiveorg.py
+++ b/yt_dlp/extractor/archiveorg.py
@@ -740,7 +740,7 @@ def _call_cdx_api(self, item_id, url, filters: list | None = None, collapse: lis
             note or 'Downloading CDX API JSON', query=query, fatal=fatal)
         if isinstance(res, list) and len(res) >= 2:
             # format response to make it easier to use
-            return [dict(zip(res[0], v)) for v in res[1:]]
+            return [dict(zip(res[0], v)) for v in res[1:]]  # noqa: B905
         elif not isinstance(res, list) or len(res) != 0:
             self.report_warning('Error while parsing CDX API response' + bug_reports_message())
 
diff --git a/yt_dlp/extractor/common.py b/yt_dlp/extractor/common.py
index 573a9c5a0a..d6e2596ae1 100644
--- a/yt_dlp/extractor/common.py
+++ b/yt_dlp/extractor/common.py
@@ -1663,7 +1663,7 @@ def extract_chapter_information(e):
                 'end_time': part.get('endOffset'),
             } for part in variadic(e.get('hasPart') or []) if part.get('@type') == 'Clip']
             for idx, (last_c, current_c, next_c) in enumerate(zip(
-                    [{'end_time': 0}, *chapters], chapters, chapters[1:])):
+                    [{'end_time': 0}, *chapters], chapters, chapters[1:], strict=False)):
                 current_c['end_time'] = current_c['end_time'] or next_c['start_time']
                 current_c['start_time'] = current_c['start_time'] or last_c['end_time']
                 if None in current_c.values():
@@ -1848,7 +1848,7 @@ def _search_nuxt_data(self, webpage, video_id, context_name='__NUXT__', *, fatal
             return {}
 
         args = dict(zip(arg_keys.split(','), map(json.dumps, self._parse_json(
-            f'[{arg_vals}]', video_id, transform_source=js_to_json, fatal=fatal) or ())))
+            f'[{arg_vals}]', video_id, transform_source=js_to_json, fatal=fatal) or ()), strict=True))
 
         ret = self._parse_json(js, video_id, transform_source=functools.partial(js_to_json, vars=args), fatal=fatal)
         return traverse_obj(ret, traverse) or {}
diff --git a/yt_dlp/extractor/dtube.py b/yt_dlp/extractor/dtube.py
index 0d87820c4c..2c47de8448 100644
--- a/yt_dlp/extractor/dtube.py
+++ b/yt_dlp/extractor/dtube.py
@@ -1,5 +1,4 @@
 import json
-import socket
 
 from .common import InfoExtractor
 from ..utils import (
@@ -56,7 +55,7 @@ def canonical_url(h):
             try:
                 self.to_screen(f'{video_id}: Checking {format_id} video format URL')
                 self._downloader._opener.open(video_url, timeout=5).close()
-            except socket.timeout:
+            except TimeoutError:
                 self.to_screen(
                     f'{video_id}: {format_id} URL is invalid, skipping')
                 continue
diff --git a/yt_dlp/extractor/fujitv.py b/yt_dlp/extractor/fujitv.py
index a2d1a828b4..3319b12681 100644
--- a/yt_dlp/extractor/fujitv.py
+++ b/yt_dlp/extractor/fujitv.py
@@ -56,7 +56,7 @@ def _real_extract(self, url):
             fmt, subs = self._extract_m3u8_formats_and_subtitles(src['url'], video_id, 'ts')
             for f in fmt:
                 f.update(dict(zip(('height', 'width'),
-                                  self._BITRATE_MAP.get(f.get('tbr'), ()))))
+                                  self._BITRATE_MAP.get(f.get('tbr'), ()), strict=False)))
             formats.extend(fmt)
             subtitles = self._merge_subtitles(subtitles, subs)
 
diff --git a/yt_dlp/extractor/kaltura.py b/yt_dlp/extractor/kaltura.py
index dc11cbf6be..98516b8ce1 100644
--- a/yt_dlp/extractor/kaltura.py
+++ b/yt_dlp/extractor/kaltura.py
@@ -437,7 +437,7 @@ def _real_extract(self, url):
                 params = urllib.parse.parse_qs(query)
             if path:
                 splitted_path = path.split('/')
-                params.update(dict(zip(splitted_path[::2], [[v] for v in splitted_path[1::2]])))
+                params.update(dict(zip(splitted_path[::2], [[v] for v in splitted_path[1::2]])))  # noqa: B905
             if 'wid' in params:
                 partner_id = remove_start(params['wid'][0], '_')
             elif 'p' in params:
diff --git a/yt_dlp/extractor/lynda.py b/yt_dlp/extractor/lynda.py
index bfd4619337..f7cf9261a8 100644
--- a/yt_dlp/extractor/lynda.py
+++ b/yt_dlp/extractor/lynda.py
@@ -1,3 +1,4 @@
+import itertools
 import re
 import urllib.parse
 
@@ -216,7 +217,7 @@ def _real_extract(self, url):
     def _fix_subtitles(self, subs):
         srt = ''
         seq_counter = 0
-        for seq_current, seq_next in zip(subs, subs[1:]):
+        for seq_current, seq_next in itertools.pairwise(subs):
             m_current = re.match(self._TIMECODE_REGEX, seq_current['Timecode'])
             if m_current is None:
                 continue
diff --git a/yt_dlp/extractor/mojevideo.py b/yt_dlp/extractor/mojevideo.py
index 145e306970..1f95ed8bc0 100644
--- a/yt_dlp/extractor/mojevideo.py
+++ b/yt_dlp/extractor/mojevideo.py
@@ -92,7 +92,7 @@ def _real_extract(self, url):
             contains_pattern=r'\[(?s:.+)\]', transform_source=js_to_json)
 
         formats = []
-        for video_hash, (suffix, quality, format_note) in zip(video_hashes, [
+        for video_hash, (suffix, quality, format_note) in zip(video_hashes, [  # noqa: B905
             ('', 1, 'normálna kvalita'),
             ('_lq', 0, 'nízka kvalita'),
             ('_hd', 2, 'HD-720p'),
diff --git a/yt_dlp/extractor/nhk.py b/yt_dlp/extractor/nhk.py
index 14fbd6ce82..eef3ed820c 100644
--- a/yt_dlp/extractor/nhk.py
+++ b/yt_dlp/extractor/nhk.py
@@ -503,7 +503,7 @@ def _real_extract(self, url):
                 'start_time': s,
                 'end_time': e,
                 'title': t,
-            } for s, e, t in zip(start_time, end_time, chapter_titles)]
+            } for s, e, t in zip(start_time, end_time, chapter_titles, strict=True)]
 
         return {
             'id': video_id,
diff --git a/yt_dlp/extractor/pbs.py b/yt_dlp/extractor/pbs.py
index 53b1994156..dde734ff3d 100644
--- a/yt_dlp/extractor/pbs.py
+++ b/yt_dlp/extractor/pbs.py
@@ -181,7 +181,7 @@ class PBSIE(InfoExtractor):
     )
 
     IE_NAME = 'pbs'
-    IE_DESC = 'Public Broadcasting Service (PBS) and member stations: {}'.format(', '.join(list(zip(*_STATIONS))[1]))
+    IE_DESC = 'Public Broadcasting Service (PBS) and member stations: {}'.format(', '.join(list(zip(*_STATIONS, strict=True))[1]))
 
     _VALID_URL = r'''(?x)https?://
         (?:
@@ -193,7 +193,7 @@ class PBSIE(InfoExtractor):
               (?:[^/?#]+/){{1,5}}(?P<presumptive_id>[^/?#]+?)(?:\.html)?/?(?:$|[?#])
             )
         )
-    '''.format('|'.join(next(zip(*_STATIONS))))
+    '''.format('|'.join(next(zip(*_STATIONS, strict=True))))
 
     _GEO_COUNTRIES = ['US']
 
diff --git a/yt_dlp/extractor/polskieradio.py b/yt_dlp/extractor/polskieradio.py
index 9d0496bdf0..8777f987e6 100644
--- a/yt_dlp/extractor/polskieradio.py
+++ b/yt_dlp/extractor/polskieradio.py
@@ -405,7 +405,7 @@ def _entries(self, url, page, category_id):
                 tab_content = self._download_json(
                     'https://www.polskieradio.pl/CMS/TemplateBoxesManagement/TemplateBoxTabContent.aspx/GetTabContent',
                     category_id, f'Downloading page {page_num}', headers={'content-type': 'application/json'},
-                    data=json.dumps(dict(zip((
+                    data=json.dumps(dict(zip((  # noqa: B905
                         'boxInstanceId', 'tabId', 'categoryType', 'sectionId', 'categoryId', 'pagerMode',
                         'subjectIds', 'tagIndexId', 'queryString', 'name', 'openArticlesInParentTemplate',
                         'idSectionFromUrl', 'maxDocumentAge', 'showCategoryForArticle', 'pageNumber',
diff --git a/yt_dlp/extractor/pr0gramm.py b/yt_dlp/extractor/pr0gramm.py
index d5d6ecdfd8..0ba78a4f42 100644
--- a/yt_dlp/extractor/pr0gramm.py
+++ b/yt_dlp/extractor/pr0gramm.py
@@ -155,7 +155,7 @@ def _real_extract(self, url):
         # Sorted by "confidence", higher confidence = earlier in list
         confidences = traverse_obj(metadata, ('tags', ..., 'confidence', ({int}, {float})))
         if confidences:
-            tags = [tag for _, tag in sorted(zip(confidences, tags), reverse=True)]
+            tags = [tag for _, tag in sorted(zip(confidences, tags), reverse=True)]  # noqa: B905
 
         formats = traverse_obj(video_info, ('variants', ..., {
             'format_id': ('name', {str}),
diff --git a/yt_dlp/extractor/tiktok.py b/yt_dlp/extractor/tiktok.py
index b6683a2027..b7e058ebe7 100644
--- a/yt_dlp/extractor/tiktok.py
+++ b/yt_dlp/extractor/tiktok.py
@@ -81,7 +81,7 @@ def _get_next_app_info(self):
             }
             self._APP_INFO_POOL = [
                 {**defaults, **dict(
-                    (k, v) for k, v in zip(self._APP_INFO_DEFAULTS, app_info.split('/')) if v
+                    (k, v) for k, v in zip(self._APP_INFO_DEFAULTS, app_info.split('/'), strict=False) if v
                 )} for app_info in self._KNOWN_APP_INFO
             ]
 
diff --git a/yt_dlp/jsinterp.py b/yt_dlp/jsinterp.py
index 460bc2c03e..d22d176d2f 100644
--- a/yt_dlp/jsinterp.py
+++ b/yt_dlp/jsinterp.py
@@ -186,7 +186,7 @@ def js_number_to_string(val: float, radix: int = 10):
 _COMP_OPERATORS = {'===', '!==', '==', '!=', '<=', '>=', '<', '>'}
 
 _NAME_RE = r'[a-zA-Z_$][\w$]*'
-_MATCHING_PARENS = dict(zip(*zip('()', '{}', '[]')))
+_MATCHING_PARENS = dict(zip(*zip('()', '{}', '[]', strict=True), strict=True))
 _QUOTES = '\'"/'
 _NESTED_BRACKETS = r'[^[\]]+(?:\[[^[\]]+(?:\[[^\]]+\])?\])?'
 
diff --git a/yt_dlp/networking/_requests.py b/yt_dlp/networking/_requests.py
index 1526d2a599..06d3220f4a 100644
--- a/yt_dlp/networking/_requests.py
+++ b/yt_dlp/networking/_requests.py
@@ -4,7 +4,6 @@
 import http.client
 import logging
 import re
-import socket
 import warnings
 
 from ..dependencies import brotli, requests, urllib3
@@ -125,7 +124,7 @@ def read(self, amt: int | None = None):
             # Work around issue with `.read(amt)` then `.read()`
             # See: https://github.com/urllib3/urllib3/issues/3636
             if amt is None:
-                # Python 3.9 preallocates the whole read buffer, read in chunks
+                # compat: py3.9: Python 3.9 preallocates the whole read buffer, read in chunks
                 read_chunk = functools.partial(self.fp.read, 1 << 20, decode_content=True)
                 return b''.join(iter(read_chunk, b''))
             # Interact with urllib3 response directly.
@@ -378,7 +377,7 @@ def _new_conn(self):
                 source_address=self.source_address,
                 _create_socket_func=functools.partial(
                     create_socks_proxy_socket, (self.host, self.port), self._proxy_args))
-        except (socket.timeout, TimeoutError) as e:
+        except TimeoutError as e:
             raise urllib3.exceptions.ConnectTimeoutError(
                 self, f'Connection to {self.host} timed out. (connect timeout={self.timeout})') from e
         except SocksProxyError as e:
diff --git a/yt_dlp/networking/common.py b/yt_dlp/networking/common.py
index e33769422b..6680d1c7c8 100644
--- a/yt_dlp/networking/common.py
+++ b/yt_dlp/networking/common.py
@@ -12,6 +12,7 @@
 from collections.abc import Iterable, Mapping
 from email.message import Message
 from http import HTTPStatus
+from types import NoneType
 
 from ._helper import make_ssl_context, wrap_request_errors
 from .exceptions import (
@@ -20,7 +21,6 @@
     TransportError,
     UnsupportedRequest,
 )
-from ..compat.types import NoneType
 from ..cookies import YoutubeDLCookieJar
 from ..utils import (
     bug_reports_message,
diff --git a/yt_dlp/networking/impersonate.py b/yt_dlp/networking/impersonate.py
index b90d10b760..458ec04a19 100644
--- a/yt_dlp/networking/impersonate.py
+++ b/yt_dlp/networking/impersonate.py
@@ -3,11 +3,11 @@
 import re
 from abc import ABC
 from dataclasses import dataclass
+from types import NoneType
 from typing import Any
 
 from .common import RequestHandler, register_preference, Request
 from .exceptions import UnsupportedRequest
-from ..compat.types import NoneType
 from ..utils import classproperty, join_nonempty
 from ..utils.networking import std_headers, HTTPHeaderDict
 
diff --git a/yt_dlp/plugins.py b/yt_dlp/plugins.py
index 941709b21d..f9c1ceaa6b 100644
--- a/yt_dlp/plugins.py
+++ b/yt_dlp/plugins.py
@@ -11,7 +11,6 @@
 import pkgutil
 import sys
 import traceback
-import zipimport
 from pathlib import Path
 from zipfile import ZipFile
 
@@ -202,16 +201,10 @@ def load_plugins(plugin_spec: PluginSpec):
         if any(x.startswith('_') for x in module_name.split('.')):
             continue
         try:
-            if sys.version_info < (3, 10) and isinstance(finder, zipimport.zipimporter):
-                # zipimporter.load_module() is deprecated in 3.10 and removed in 3.12
-                # The exec_module branch below is the replacement for >= 3.10
-                # See: https://docs.python.org/3/library/zipimport.html#zipimport.zipimporter.exec_module
-                module = finder.load_module(module_name)
-            else:
-                spec = finder.find_spec(module_name)
-                module = importlib.util.module_from_spec(spec)
-                sys.modules[module_name] = module
-                spec.loader.exec_module(module)
+            spec = finder.find_spec(module_name)
+            module = importlib.util.module_from_spec(spec)
+            sys.modules[module_name] = module
+            spec.loader.exec_module(module)
         except Exception:
             write_string(
                 f'Error while importing module {module_name!r}\n{traceback.format_exc(limit=-1)}',
diff --git a/yt_dlp/postprocessor/ffmpeg.py b/yt_dlp/postprocessor/ffmpeg.py
index 774625660a..5c9c0390d9 100644
--- a/yt_dlp/postprocessor/ffmpeg.py
+++ b/yt_dlp/postprocessor/ffmpeg.py
@@ -418,7 +418,7 @@ def _concat_spec(cls, in_files, concat_opts=None):
         if concat_opts is None:
             concat_opts = [{}] * len(in_files)
         yield 'ffconcat version 1.0\n'
-        for file, opts in zip(in_files, concat_opts):
+        for file, opts in zip(in_files, concat_opts, strict=True):
             yield f'file {cls._quote_for_ffmpeg(cls._ffmpeg_filename_argument(file))}\n'
             # Iterate explicitly to yield the following directives in order, ignoring the rest.
             for directive in 'inpoint', 'outpoint', 'duration':
@@ -639,7 +639,7 @@ def run(self, info):
             # postprocessor a second time
             '-map', '-0:s',
         ]
-        for i, (lang, name) in enumerate(zip(sub_langs, sub_names)):
+        for i, (lang, name) in enumerate(zip(sub_langs, sub_names, strict=True)):
             opts.extend(['-map', f'{i + 1}:0'])
             lang_code = ISO639Utils.short2long(lang) or lang
             opts.extend([f'-metadata:s:s:{i}', f'language={lang_code}'])
diff --git a/yt_dlp/update.py b/yt_dlp/update.py
index e33be3f7b3..42b56248df 100644
--- a/yt_dlp/update.py
+++ b/yt_dlp/update.py
@@ -154,7 +154,7 @@ def _get_binary_name():
 
 
 def _get_system_deprecation():
-    MIN_SUPPORTED, MIN_RECOMMENDED = (3, 9), (3, 10)
+    MIN_SUPPORTED, MIN_RECOMMENDED = (3, 10), (3, 10)
 
     if sys.version_info > MIN_RECOMMENDED:
         return None
@@ -559,11 +559,9 @@ def filename(self):
     @functools.cached_property
     def cmd(self):
         """The command-line to run the executable, if known"""
-        argv = None
-        # There is no sys.orig_argv in py < 3.10. Also, it can be [] when frozen
-        if getattr(sys, 'orig_argv', None):
-            argv = sys.orig_argv
-        elif getattr(sys, 'frozen', False):
+        argv = sys.orig_argv
+        # sys.orig_argv can be [] when frozen
+        if not argv and getattr(sys, 'frozen', False):
             argv = sys.argv
         # linux_static exe's argv[0] will be /tmp/staticx-NNNN/yt-dlp_linux if we don't fixup here
         if argv and os.getenv('STATICX_PROG_PATH'):
@@ -572,7 +570,7 @@ def cmd(self):
 
     def restart(self):
         """Restart the executable"""
-        assert self.cmd, 'Must be frozen or Py >= 3.10'
+        assert self.cmd, 'Unable to determine argv'
         self.ydl.write_debug(f'Restarting: {shell_quote(self.cmd)}')
         _, _, returncode = Popen.run(self.cmd)
         return returncode
diff --git a/yt_dlp/utils/_legacy.py b/yt_dlp/utils/_legacy.py
index d65b135d9d..baa8162370 100644
--- a/yt_dlp/utils/_legacy.py
+++ b/yt_dlp/utils/_legacy.py
@@ -1,6 +1,4 @@
 """No longer used and new code should not use. Exists only for API compat."""
-import asyncio
-import atexit
 import platform
 import struct
 import sys
@@ -34,77 +32,6 @@
 has_websockets = bool(websockets)
 
 
-class WebSocketsWrapper:
-    """Wraps websockets module to use in non-async scopes"""
-    pool = None
-
-    def __init__(self, url, headers=None, connect=True, **ws_kwargs):
-        self.loop = asyncio.new_event_loop()
-        # XXX: "loop" is deprecated
-        self.conn = websockets.connect(
-            url, extra_headers=headers, ping_interval=None,
-            close_timeout=float('inf'), loop=self.loop, ping_timeout=float('inf'), **ws_kwargs)
-        if connect:
-            self.__enter__()
-        atexit.register(self.__exit__, None, None, None)
-
-    def __enter__(self):
-        if not self.pool:
-            self.pool = self.run_with_loop(self.conn.__aenter__(), self.loop)
-        return self
-
-    def send(self, *args):
-        self.run_with_loop(self.pool.send(*args), self.loop)
-
-    def recv(self, *args):
-        return self.run_with_loop(self.pool.recv(*args), self.loop)
-
-    def __exit__(self, type, value, traceback):
-        try:
-            return self.run_with_loop(self.conn.__aexit__(type, value, traceback), self.loop)
-        finally:
-            self.loop.close()
-            self._cancel_all_tasks(self.loop)
-
-    # taken from https://github.com/python/cpython/blob/3.9/Lib/asyncio/runners.py with modifications
-    # for contributors: If there's any new library using asyncio needs to be run in non-async, move these function out of this class
-    @staticmethod
-    def run_with_loop(main, loop):
-        if not asyncio.iscoroutine(main):
-            raise ValueError(f'a coroutine was expected, got {main!r}')
-
-        try:
-            return loop.run_until_complete(main)
-        finally:
-            loop.run_until_complete(loop.shutdown_asyncgens())
-            if hasattr(loop, 'shutdown_default_executor'):
-                loop.run_until_complete(loop.shutdown_default_executor())
-
-    @staticmethod
-    def _cancel_all_tasks(loop):
-        to_cancel = asyncio.all_tasks(loop)
-
-        if not to_cancel:
-            return
-
-        for task in to_cancel:
-            task.cancel()
-
-        # XXX: "loop" is removed in Python 3.10+
-        loop.run_until_complete(
-            asyncio.gather(*to_cancel, loop=loop, return_exceptions=True))
-
-        for task in to_cancel:
-            if task.cancelled():
-                continue
-            if task.exception() is not None:
-                loop.call_exception_handler({
-                    'message': 'unhandled exception during asyncio.run() shutdown',
-                    'exception': task.exception(),
-                    'task': task,
-                })
-
-
 def load_plugins(name, suffix, namespace):
     from ..plugins import load_plugins
     ret = load_plugins(name, suffix)
diff --git a/yt_dlp/utils/_utils.py b/yt_dlp/utils/_utils.py
index 50652c1e45..e5268deff9 100644
--- a/yt_dlp/utils/_utils.py
+++ b/yt_dlp/utils/_utils.py
@@ -95,7 +95,7 @@ def IDENTITY(x):
 # needed for sanitizing filenames in restricted mode
 ACCENT_CHARS = dict(zip('ÂÃÄÀÁÅÆÇÈÉÊËÌÍÎÏÐÑÒÓÔÕÖŐØŒÙÚÛÜŰÝÞßàáâãäåæçèéêëìíîïðñòóôõöőøœùúûüűýþÿ',
                         itertools.chain('AAAAAA', ['AE'], 'CEEEEIIIIDNOOOOOOO', ['OE'], 'UUUUUY', ['TH', 'ss'],
-                                        'aaaaaa', ['ae'], 'ceeeeiiiionooooooo', ['oe'], 'uuuuuy', ['th'], 'y')))
+                                        'aaaaaa', ['ae'], 'ceeeeiiiionooooooo', ['oe'], 'uuuuuy', ['th'], 'y'), strict=True))
 
 DATE_FORMATS = (
     '%d %B %Y',
@@ -2402,7 +2402,6 @@ class PlaylistEntries:
 
     def __init__(self, ydl, info_dict):
         self.ydl = ydl
-
         # _entries must be assigned now since infodict can change during iteration
         entries = info_dict.get('entries')
         if entries is None:
@@ -2415,7 +2414,7 @@ def __init__(self, ydl, info_dict):
         if self.is_incomplete:
             assert self.is_exhausted
             self._entries = [self.MissingEntry] * max(requested_entries or [0])
-            for i, entry in zip(requested_entries, entries):
+            for i, entry in zip(requested_entries, entries):  # noqa: B905
                 self._entries[i - 1] = entry
         elif isinstance(entries, (list, PagedList, LazyList)):
             self._entries = entries
@@ -3184,7 +3183,7 @@ def width(string):
         return len(remove_terminal_sequences(string).replace('\t', ''))
 
     def get_max_lens(table):
-        return [max(width(str(v)) for v in col) for col in zip(*table)]
+        return [max(width(str(v)) for v in col) for col in zip(*table, strict=True)]
 
     def filter_using_list(row, filter_array):
         return [col for take, col in itertools.zip_longest(filter_array, row, fillvalue=True) if take]
@@ -3540,7 +3539,7 @@ def parse_node(node):
             continue
         default_style.update(style)
 
-    for para, index in zip(paras, itertools.count(1)):
+    for para, index in zip(paras, itertools.count(1), strict=False):
         begin_time = parse_dfxp_time_expr(para.attrib.get('begin'))
         end_time = parse_dfxp_time_expr(para.attrib.get('end'))
         dur = parse_dfxp_time_expr(para.attrib.get('dur'))
@@ -4854,7 +4853,7 @@ def scale_thumbnails_to_max_format_width(formats, thumbnails, url_width_re):
     return [
         merge_dicts(
             {'url': re.sub(url_width_re, str(max_dimensions[0]), thumbnail['url'])},
-            dict(zip(_keys, max_dimensions)), thumbnail)
+            dict(zip(_keys, max_dimensions, strict=True)), thumbnail)
         for thumbnail in thumbnails
     ]
 
diff --git a/yt_dlp/utils/jslib/devalue.py b/yt_dlp/utils/jslib/devalue.py
index d82880d921..ac5bd68577 100644
--- a/yt_dlp/utils/jslib/devalue.py
+++ b/yt_dlp/utils/jslib/devalue.py
@@ -110,7 +110,7 @@ def parse_iter(parsed: typing.Any, /, *, revivers: dict[str, collections.abc.Cal
 
                 elif value[0] == 'Map':
                     result = []
-                    for key, new_source in zip(*(iter(value[1:]),) * 2):
+                    for key, new_source in zip(*(iter(value[1:]),) * 2, strict=True):
                         pair = [None, None]
                         stack.append((pair, 0, key))
                         stack.append((pair, 1, new_source))
@@ -129,7 +129,7 @@ def parse_iter(parsed: typing.Any, /, *, revivers: dict[str, collections.abc.Cal
 
                 elif value[0] == 'null':
                     result = {}
-                    for key, new_source in zip(*(iter(value[1:]),) * 2):
+                    for key, new_source in zip(*(iter(value[1:]),) * 2, strict=True):
                         stack.append((result, key, new_source))
 
                 elif value[0] in _ARRAY_TYPE_LOOKUP:
diff --git a/yt_dlp/webvtt.py b/yt_dlp/webvtt.py
index 9f1a5086b8..a86ddc7ce0 100644
--- a/yt_dlp/webvtt.py
+++ b/yt_dlp/webvtt.py
@@ -103,7 +103,7 @@ def _parse_ts(ts):
     into an MPEG PES timestamp: a tick counter at 90 kHz resolution.
     """
     return 90 * sum(
-        int(part or 0) * mult for part, mult in zip(ts.groups(), (3600_000, 60_000, 1000, 1)))
+        int(part or 0) * mult for part, mult in zip(ts.groups(), (3600_000, 60_000, 1000, 1), strict=True))
 
 
 def _format_ts(ts):