[ie/youtube] Extract channel_follower_count for collaborators (#17363)

To clarify the somewhat misleading subject line: this patch
only extracts the 1st collaborator's channel_follower_count
for videos with multiple collaborators.

Closes #17360
Authored by: bashonly

.github/workflows/challenge-tests.yml

@@ -43,45 +43,61 @@ jobs:
     - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0  # v7.0.0
       with:
         persist-credentials: false
+
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@ece7cb06caefa5fff74198d8649806c4678c61a1  # v6.3.0
       with:
         python-version: ${{ matrix.python-version }}
         allow-prereleases: true
+
     - name: Install Deno
       uses: denoland/setup-deno@667a34cdef165d8d2b2e98dde39547c9daac7282  # v2.0.4
       with:
         deno-version: '2.3.0'  # minimum supported version
+
     - name: Install Bun
       uses: oven-sh/setup-bun@0c5077e51419868618aeaa5fe8019c62421857d6  # v2.2.0
       with:
         bun-version: '1.2.11'  # minimum supported version
         no-cache: true
+
     - name: Install Node
       uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e  # v6.4.0
       with:
         node-version: '22.0'  # minimum supported version
+
     - name: Install QuickJS (Linux)
       if: matrix.os == 'ubuntu-latest'
       shell: bash
       run: |
-          wget "https://bellard.org/quickjs/binary_releases/quickjs-linux-x86_64-${QJS_VERSION}.zip" -O quickjs.zip
-          unzip quickjs.zip qjs
-          sudo install qjs /usr/local/bin/qjs
+        wget "https://bellard.org/quickjs/binary_releases/quickjs-linux-x86_64-${QJS_VERSION}.zip" -O quickjs.zip
+        unzip quickjs.zip qjs
+        sudo install qjs /usr/local/bin/qjs
+
     - name: Install QuickJS (Windows)
       if: matrix.os == 'windows-latest'
       shell: pwsh
       run: |
-          $ErrorActionPreference = "Stop"
-          $PSNativeCommandUseErrorActionPreference = $true
-          Invoke-WebRequest "https://bellard.org/quickjs/binary_releases/quickjs-win-x86_64-${Env:QJS_VERSION}.zip" -OutFile quickjs.zip
-          unzip quickjs.zip
-    - name: Install test requirements
-      shell: bash
+        $ErrorActionPreference = "Stop"
+        $PSNativeCommandUseErrorActionPreference = $true
+        Invoke-WebRequest "https://bellard.org/quickjs/binary_releases/quickjs-win-x86_64-${Env:QJS_VERSION}.zip" -OutFile quickjs.zip
+        unzip quickjs.zip
+
+    - name: Install test requirements (cpython)
+      if: ${{ !startsWith(matrix.python-version, 'pypy') }}
       run: |
         python -m pip install -U --require-hashes -r "bundle/requirements/pip.txt"
         python -m pip install -U --require-hashes -r "bundle/requirements/test.txt"
         python -m pip install -U --require-hashes -r "bundle/requirements/default.txt"
+
+    - name: Install test requirements (PyPy)
+      if: ${{ startsWith(matrix.python-version, 'pypy') }}
+      run: |
+        # Upgrading/downgrading pip on Windows with actions/setup-python's PyPy can cause breakage
+        # See https://github.com/actions/setup-python/issues/1348
+        python -m pip install -U --require-hashes -r "bundle/requirements/test.txt"
+        python -m pip install -U --require-hashes -r "bundle/requirements/default.txt"
+
     - name: Run tests
       timeout-minutes: 15
       shell: bash

.github/workflows/core.yml

@@ -85,7 +85,8 @@ jobs:
     - name: Install test requirements (PyPy)
       if: ${{ startsWith(matrix.python-version, 'pypy') }}
       run: |
-        python -m pip install -U --require-hashes -r "bundle/requirements/pip.txt"
+        # Upgrading/downgrading pip on Windows with actions/setup-python's PyPy can cause breakage
+        # See https://github.com/actions/setup-python/issues/1348
         python -m pip install -U --require-hashes -r "bundle/requirements/test.txt"
         python -m pip install -U --require-hashes -r "bundle/requirements/default.txt"
 

README.md

@@ -1975,7 +1975,7 @@ The following extractors use this feature:
 * `backend`: Backend API to use for extraction - one of `streaks` (default) or `brightcove` (deprecated)
 
 #### vimeo
-* `client`: Client to extract video data from. The currently available clients are `android`, `ios`, `macos` and `web`. Only one client can be used. The `macos` client is used by default, but the `web` client is used when logged-in. The `web` client only works with account cookies or login credentials. The `android` and `ios` clients only work with previously cached OAuth tokens
+* `client`: Client to extract video data from. The currently available clients are `android`, `macos_basic`, and `web`. Only one client can be used. The `macos_basic` client is used by default, but the `web` client is used when logged-in. The `web` client only works with account cookies or login credentials. The `android` client only works with previously cached OAuth tokens
 * `original_format_policy`: Policy for when to try extracting original formats. One of `always`, `never`, or `auto`. The default `auto` policy tries to avoid exceeding the web client's API rate-limit by only making an extra request when Vimeo publicizes the video's downloadability
 
 #### zan

devscripts/changelog_override.json

@@ -382,5 +382,9 @@
         "action": "add",
         "when": "b6590aaa1e3808155d69c9a79a797ae484163789",
         "short": "[priority] Security: [[CVE-2026-55404](https://nvd.nist.gov/vuln/detail/CVE-2026-55404)] [Downstream command injection via improper sanitization of --write-link output](https://github.com/yt-dlp/yt-dlp/security/advisories/GHSA-6v4j-43gg-vj32)\n        - Shortcut file data is now properly validated and sanitized when the `--write-link` options are used"
+    },
+    {
+        "action": "remove",
+        "when": "a8be438aac1b90c3888e974056d967b8be90fa7e"
     }
 ]

yt_dlp/extractor/appleconnect.py

@@ -1,39 +1,22 @@
-import time
-
-from .common import InfoExtractor
+from .applepodcasts import AppleBaseIE
 from ..utils import (
-    ExtractorError,
-    extract_attributes,
     float_or_none,
-    jwt_decode_hs256,
-    jwt_encode,
     parse_resolution,
     qualities,
     unified_strdate,
     update_url,
     url_or_none,
-    urljoin,
 )
 from ..utils.traversal import (
-    find_element,
     require,
     traverse_obj,
 )
 
 
-class AppleConnectIE(InfoExtractor):
+class AppleConnectIE(AppleBaseIE):
     IE_NAME = 'apple:music:connect'
     IE_DESC = 'Apple Music Connect'
 
-    _BASE_URL = 'https://music.apple.com'
-    _QUALITIES = {
-        'provisionalUploadVideo': None,
-        'sdVideo': 480,
-        'sdVideoWithPlusAudio': 480,
-        'sd480pVideo': 480,
-        '720pHdVideo': 720,
-        '1080pHdVideo': 1080,
-    }
     _VALID_URL = r'https?://music\.apple\.com/[\w-]+/post/(?P<id>\d+)'
     _TESTS = [{
         'url': 'https://music.apple.com/us/post/1018290019',
@@ -59,29 +42,16 @@ class AppleConnectIE(InfoExtractor):
         },
     }]
 
-    _jwt = None
-
-    @staticmethod
-    def _jwt_is_expired(token):
-        return jwt_decode_hs256(token)['exp'] - time.time() < 120
-
-    def _get_token(self, webpage, video_id):
-        if self._jwt and not self._jwt_is_expired(self._jwt):
-            return self._jwt
-
-        js_url = traverse_obj(webpage, (
-            {find_element(tag='script', attr='crossorigin', value='', html=True)},
-            {extract_attributes}, 'src', {urljoin(self._BASE_URL)}, {require('JS URL')}))
-        js = self._download_webpage(
-            js_url, video_id, 'Downloading token JS', 'Unable to download token JS')
-
-        header = jwt_encode({}, '', headers={'alg': 'ES256', 'kid': 'WebPlayKid'}).split('.')[0]
-        self._jwt = self._search_regex(
-            fr'(["\'])(?P<jwt>{header}(?:\.[\w-]+){{2}})\1', js, 'JSON Web Token', group='jwt')
-        if self._jwt_is_expired(self._jwt):
-            raise ExtractorError('The fetched token is already expired')
-
-        return self._jwt
+    _BASE_URL = 'https://music.apple.com'
+    _JWT_KEY_ID = 'WebPlayKid'
+    _QUALITIES = {
+        'provisionalUploadVideo': None,
+        'sdVideo': 480,
+        'sdVideoWithPlusAudio': 480,
+        'sd480pVideo': 480,
+        '720pHdVideo': 720,
+        '1080pHdVideo': 1080,
+    }
 
     def _real_extract(self, url):
         video_id = self._match_id(url)

yt_dlp/extractor/applepodcasts.py

@@ -1,15 +1,55 @@
+import time
+
 from .common import InfoExtractor
 from ..utils import (
+    ExtractorError,
     clean_html,
     clean_podcast_url,
     int_or_none,
+    jwt_decode_hs256,
+    jwt_encode,
     parse_iso8601,
+    try_call,
+    update_url,
+    url_or_none,
+    urljoin,
 )
 from ..utils.traversal import traverse_obj
 
 
-class ApplePodcastsIE(InfoExtractor):
-    _VALID_URL = r'https?://podcasts\.apple\.com/(?:[^/]+/)?podcast(?:/[^/]+){1,2}.*?\bi=(?P<id>\d+)'
+class AppleBaseIE(InfoExtractor):
+    """Subclasses must set _BASE_URL and _JWT_KEY_ID"""
+
+    _jwt_cache = {}
+
+    @staticmethod
+    def _jwt_is_expired(token):
+        return jwt_decode_hs256(token)['exp'] - time.time() < 120
+
+    def _get_token(self, webpage, episode_id):
+        if self._jwt_cache.get(self._BASE_URL) and not self._jwt_is_expired(self._jwt_cache[self._BASE_URL]):
+            return self._jwt
+
+        js_path = self._search_regex(
+            r'<script [^>]*\bsrc="(/assets/index~[0-9a-f]+\.js)">', webpage, 'JS asset path')
+        js_code = self._download_webpage(
+            urljoin(self._BASE_URL, js_path), episode_id,
+            'Downloading JS asset', 'Unable to download JS asset')
+
+        header = jwt_encode({}, '', headers={'typ': 'JWT', 'alg': 'ES256', 'kid': self._JWT_KEY_ID}).split('.')[0]
+        self._jwt_cache[self._BASE_URL] = self._search_regex(
+            fr'(["\'])(?P<jwt>{header}(?:\.[\w-]+){{2}})\1', js_code, 'JSON Web Token', group='jwt')
+        if self._jwt_is_expired(self._jwt_cache[self._BASE_URL]):
+            raise ExtractorError('The fetched token is already expired')
+
+        return self._jwt_cache[self._BASE_URL]
+
+
+class ApplePodcastsIE(AppleBaseIE):
+    IE_NAME = 'apple:podcasts'
+    IE_DESC = 'Apple Podcasts'
+
+    _VALID_URL = r'https?://podcasts\.apple\.com/(?P<country>[^/?#]+/)?podcast(?:/[^/?#]+){1,2}/?\?(?:[^#]+&)?i=(?P<id>\d+)'
     _TESTS = [{
         'url': 'https://podcasts.apple.com/us/podcast/urbana-podcast-724-by-david-penn/id1531349107?i=1000748574256',
         'md5': 'f8a6f92735d0cfbd5e6a7294151e28d8',
@@ -23,7 +63,7 @@ class ApplePodcastsIE(InfoExtractor):
             'timestamp': 1770400801,
             'duration': 3602,
             'series': 'Urbana Radio Show',
-            'thumbnail': 're:.+[.](png|jpe?g|webp)',
+            'thumbnail': r're:https://.+/.+\.jpg',
         },
     }, {
         'url': 'https://podcasts.apple.com/us/podcast/207-whitney-webb-returns/id1135137367?i=1000482637777',
@@ -39,7 +79,7 @@ class ApplePodcastsIE(InfoExtractor):
             'timestamp': 1593932400,
             'duration': 5369,
             'series': 'The Tim Dillon Show',
-            'thumbnail': 're:.+[.](png|jpe?g|webp)',
+            'thumbnail': r're:https://.+/.+\.jpg',
         },
     }, {
         'url': 'https://podcasts.apple.com/podcast/207-whitney-webb-returns/id1135137367?i=1000482637777',
@@ -52,15 +92,55 @@ class ApplePodcastsIE(InfoExtractor):
         'only_matching': True,
     }]
 
-    def _real_extract(self, url):
-        episode_id = self._match_id(url)
-        webpage = self._download_webpage(url, episode_id)
+    _BASE_URL = 'https://podcasts.apple.com'
+    _JWT_KEY_ID = 'C4J7GBP74H'
+
+    def _extract_podcast_from_api(self, webpage, episode_id, country_code):
+        data = self._download_json(
+            f'https://amp-api.podcasts.apple.com/v1/catalog/{country_code or "us"}/podcast-episodes/{episode_id}',
+            episode_id, headers={
+                'Authorization': f'Bearer {self._get_token(webpage, episode_id)}',
+                'Origin': self._BASE_URL,
+            },
+            query={
+                # XXX: if video is available, try adding the params 'with=entitlements,hlsVideo'
+                'extend': 'fullDescription',
+                'include': 'podcast',
+                'l': 'en-US',
+            })['data'][0]
+
+        thumb_info = traverse_obj(data, ('attributes', 'artwork', {
+            'url': ('url', {url_or_none}),
+            'h': ('height', {int_or_none}),
+            'w': ('width', {int_or_none}),
+        }))
+
+        return {
+            'id': episode_id,
+            **traverse_obj(data, {
+                'title': ('attributes', 'name', {str}),
+                'description': ('attributes', 'fullDescription', {clean_html}),
+                'url': ('attributes', 'assetUrl', {clean_podcast_url}, {update_url(scheme='https')}),
+                'timestamp': ('attributes', 'releaseDateTime', {parse_iso8601}),
+                'duration': ('attributes', 'durationInMilliseconds', {int_or_none(scale=1000)}),
+                'episode': ('attributes', 'name', {str}),
+                'episode_number': ('attributes', 'episodeNumber', {int_or_none}),
+                'series': ('relationships', 'podcast', 'data', 0, 'attributes', 'name', {str}),
+            }),
+            'thumbnail': try_call(lambda: thumb_info.pop('url').format(f='jpg', **thumb_info)),
+            'vcodec': 'none',
+        }
+
+    def _extract_podcast_from_webpage(self, webpage, episode_id):
         server_data = self._search_json(
             r'<script [^>]*\bid=["\']serialized-server-data["\'][^>]*>', webpage,
-            'server data', episode_id)['data'][0]['data']
+            'server data', episode_id, default=None)
         model_data = traverse_obj(server_data, (
-            'headerButtonItems', lambda _, v: v['$kind'] == 'share' and v['modelType'] == 'EpisodeLockup',
+            'data', 0, 'data', 'headerButtonItems',
+            lambda _, v: v['$kind'] == 'share' and v['modelType'] == 'EpisodeLockup',
             'model', {dict}, any))
+        if not model_data:
+            return None
 
         return {
             'id': episode_id,
@@ -77,3 +157,12 @@ class ApplePodcastsIE(InfoExtractor):
             'thumbnail': self._og_search_thumbnail(webpage),
             'vcodec': 'none',
         }
+
+    def _real_extract(self, url):
+        episode_id, country_code = self._match_valid_url(url).group('id', 'country')
+        # Webpage may be unavailable, see https://github.com/yt-dlp/yt-dlp/issues/17266
+        webpage = self._download_webpage(url, episode_id, expected_status=500)
+
+        return (
+            self._extract_podcast_from_webpage(webpage, episode_id)
+            or self._extract_podcast_from_api(webpage, episode_id, country_code))

yt_dlp/extractor/instagram.py

@@ -42,7 +42,6 @@ def _id_to_pk(shortcode):
 
 
 class InstagramBaseIE(InfoExtractor):
-    _API_BASE_URL = 'https://i.instagram.com/api/v1'
     _BASE_URL = 'https://www.instagram.com/'
     _APP_IDS = {
         'ios': '124024574287414',
@@ -75,6 +74,12 @@ class InstagramBaseIE(InfoExtractor):
     def _is_web_app(self):
         return self._app_id == self._APP_IDS['web']
 
+    @property
+    def _API_BASE_URL(self):
+        if not self._is_web_app:
+            return 'https://i.instagram.com/api/v1'
+        return 'https://www.instagram.com/api/v1'
+
     @property
     def _api_headers(self):
         return {
@@ -87,7 +92,8 @@ class InstagramBaseIE(InfoExtractor):
 
     @staticmethod
     def _is_login_redirect(url):
-        return urllib.parse.urlparse(url).path.startswith('/accounts/login')
+        path = urllib.parse.urlparse(url).path
+        return path.startswith('/accounts/login') or path == '/'
 
     def _get_count(self, media, kind, *keys):
         return traverse_obj(

yt_dlp/extractor/vimeo.py

@@ -49,7 +49,7 @@ class VimeoBaseInfoExtractor(InfoExtractor):
         'Cannot download embed-only video without embedding URL. Please call yt-dlp '
         'with the URL of the page that embeds this video.')
 
-    _DEFAULT_CLIENT = 'web'
+    _DEFAULT_CLIENT = 'macos_basic'
     _DEFAULT_AUTHED_CLIENT = 'web'
     _CLIENT_HEADERS = {
         'Accept': 'application/vnd.vimeo.*+json; version=3.4.10',
@@ -59,7 +59,6 @@ class VimeoBaseInfoExtractor(InfoExtractor):
         'android': {
             'CACHE_KEY': 'oauth-token-android',
             'CACHE_ONLY': True,
-            'VIEWER_JWT': False,
             'REQUIRES_AUTH': False,
             'AUTH': 'NzRmYTg5YjgxMWExY2JiNzUwZDg1MjhkMTYzZjQ4YWYyOGEyZGJlMTp4OGx2NFd3QnNvY1lkamI2UVZsdjdDYlNwSDUrdm50YzdNNThvWDcwN1JrenJGZC9tR1lReUNlRjRSVklZeWhYZVpRS0tBcU9YYzRoTGY2Z1dlVkJFYkdJc0dMRHpoZWFZbU0reDRqZ1dkZ1diZmdIdGUrNUM5RVBySlM0VG1qcw==',
             'USER_AGENT': 'com.vimeo.android.videoapp (OnePlus, ONEPLUS A6003, OnePlus, Android 14/34 Version 11.8.1) Kotlin VimeoNetworking/3.12.0',
@@ -71,26 +70,8 @@ class VimeoBaseInfoExtractor(InfoExtractor):
                 'resource_key', 'badge', 'upload', 'transcode', 'is_playable', 'has_audio',
             ),
         },
-        'ios': {
-            'CACHE_KEY': 'oauth-token-ios',
-            'CACHE_ONLY': True,
-            'VIEWER_JWT': False,
-            'REQUIRES_AUTH': False,
-            'AUTH': 'MTMxNzViY2Y0NDE0YTQ5YzhjZTc0YmU0NjVjNDQxYzNkYWVjOWRlOTpHKzRvMmgzVUh4UkxjdU5FRW80cDNDbDhDWGR5dVJLNUJZZ055dHBHTTB4V1VzaG41bEx1a2hiN0NWYWNUcldSSW53dzRUdFRYZlJEZmFoTTArOTBUZkJHS3R4V2llYU04Qnl1bERSWWxUdXRidjNqR2J4SHFpVmtFSUcyRktuQw==',
-            'USER_AGENT': 'Vimeo/11.10.0 (com.vimeo; build:250424.164813.0; iOS 18.4.1) Alamofire/5.9.0 VimeoNetworking/5.0.0',
-            'VIDEOS_FIELDS': (
-                'uri', 'name', 'description', 'type', 'link', 'player_embed_url', 'duration',
-                'width', 'language', 'height', 'embed', 'created_time', 'modified_time', 'release_time',
-                'content_rating', 'content_rating_class', 'rating_mod_locked', 'license', 'config_url',
-                'embed_player_config_url', 'privacy', 'pictures', 'tags', 'stats', 'categories', 'uploader',
-                'metadata', 'user', 'files', 'download', 'app', 'play', 'status', 'resource_key', 'badge',
-                'upload', 'transcode', 'is_playable', 'has_audio',
-            ),
-        },
-        'macos': {
-            'CACHE_KEY': 'oauth-token-macos',
-            'CACHE_ONLY': True,
-            'VIEWER_JWT': False,
+        'macos_basic': {
+            'CACHE_ONLY': False,
             'REQUIRES_AUTH': False,
             'AUTH': 'NDc1N2JlN2Y5ZjZmMjU3NzE3NTRkZTg1NmY2YzU2MTI0OTFlNjJiYjpwVUNDWUlBZmZqSHhQcndBYWxGMzgyYys2NkN5d1JrREJZZXdPcEdsU05tdjFlVVo2aE1lYk9GcWE3ZW9KVldlYnFlOWh5Vno5UWtpUGJ5empYZFBpYkFwV0FFTnB5VWV4ZEh3aHZnRUNEL0VySnBzTmFraDdNbS9nMXhWanhIcw==',
             'USER_AGENT': 'Vimeo/1.6.3 (com.vimeo.mac; build:251121.142637.0; macOS 13.7.8) Alamofire/5.9.0 VimeoNetworking/5.0.0',
@@ -104,7 +85,6 @@ class VimeoBaseInfoExtractor(InfoExtractor):
         },
         'web': {
             'CACHE_ONLY': False,
-            'VIEWER_JWT': True,
             'REQUIRES_AUTH': True,
             'USER_AGENT': None,
             'VIDEOS_FIELDS': (
@@ -182,7 +162,8 @@ class VimeoBaseInfoExtractor(InfoExtractor):
         if self._LOGIN_REQUIRED:
             self.raise_login_required()
 
-        if self._DEFAULT_CLIENT != 'web':
+        # Don't auto-load token from cache if the user has specified a client
+        if self._configuration_arg('client', [None], ie_key=VimeoIE)[0]:
             return
 
         for client_name, client_config in self._CLIENT_CONFIGS.items():
@@ -367,11 +348,14 @@ class VimeoBaseInfoExtractor(InfoExtractor):
         }
 
     def _fetch_oauth_token(self, client):
-        client_config = self._CLIENT_CONFIGS[client]
-
-        if client_config['VIEWER_JWT']:
+        base_client, _, variant = client.partition('_')
+        if base_client == 'web':
             return f'jwt {self._fetch_viewer_info()["jwt"]}'
 
+        client_config = self._CLIENT_CONFIGS[client]
+        if variant == 'basic':
+            return f'Basic {client_config["AUTH"]}'
+
         cache_key = client_config['CACHE_KEY']
 
         if not self._oauth_tokens.get(cache_key):
@@ -1213,6 +1197,9 @@ class VimeoIE(VimeoBaseInfoExtractor):
                         'If your IP address is located in Europe you could try using a VPN/proxy,',
                         f'or else u{self._login_hint()[1:]}',
                         delim=' '), method=None)
+                # XXX: Temporary while macos_basic is the default client
+                elif e.cause.status == 401 and self._get_requested_client() == 'macos_basic':
+                    self.raise_login_required('The Vimeo extractor only works when logged-in')
                 else:
                     raise
 
@@ -1221,6 +1208,10 @@ class VimeoIE(VimeoBaseInfoExtractor):
         else:
             info = self._parse_api_response(video, video_id, unlisted_hash)
 
+        # XXX: Temporary while macos_basic is the default client
+        if not info.get('formats') and self._get_requested_client() == 'macos_basic':
+            self.raise_login_required('The Vimeo extractor only works when logged-in')
+
         source_format = self._extract_original_format(
             f'https://vimeo.com/{video_id}', video_id, unlisted_hash)
         if source_format:

yt_dlp/extractor/youtube/_video.py

@@ -1600,13 +1600,13 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
         'info_dict': {
             'id': 'brhfDfLdDZ8',
             'ext': 'mp4',
-            'title': 'This is the WORST Movie Science We\'ve Ever Seen',
+            'title': 'Scientists React to Terrible Movie Science | Moonfall (2021)',
             'description': 'md5:8afd0a3cd69ec63438fc573580436f92',
             'media_type': 'video',
-            'uploader': 'Open Sauce',
-            'uploader_id': '@opensaucelive',
-            'uploader_url': 'https://www.youtube.com/@opensaucelive',
-            'channel': 'Open Sauce',
+            'uploader': 'Sauce +',
+            'uploader_id': '@sauceplusofficial',
+            'uploader_url': 'https://www.youtube.com/@sauceplusofficial',
+            'channel': 'Sauce +',
             'channel_id': 'UC2EiGVmCeD79l_vZ204DUSw',
             'channel_url': 'https://www.youtube.com/channel/UC2EiGVmCeD79l_vZ204DUSw',
             'comment_count': int,
@@ -1614,15 +1614,17 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
             'like_count': int,
             'age_limit': 0,
             'duration': 1664,
-            'thumbnail': 'https://i.ytimg.com/vi/brhfDfLdDZ8/hqdefault.jpg',
+            'thumbnail': 'https://i.ytimg.com/vi/brhfDfLdDZ8/sddefault.jpg',
             'categories': ['Entertainment'],
             'tags': ['Moonfall', 'Bad Science', 'Open Sauce', 'Sauce+', 'The Backyard Scientist', 'William Osman', 'Allen Pan'],
-            'creators': ['Open Sauce', 'William Osman 2'],
+            'creators': ['Sauce +', 'William Osman 2'],
             'timestamp': 1759452918,
             'upload_date': '20251003',
             'playable_in_embed': True,
             'availability': 'public',
             'live_status': 'not_live',
+            'channel_follower_count': int,
+            'heatmap': 'count:100',
         },
         'params': {'skip_download': True},
     }, {
@@ -1656,6 +1658,7 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
             'playable_in_embed': True,
             'availability': 'public',
             'live_status': 'not_live',
+            'channel_follower_count': int,
         },
         'params': {'skip_download': True},
     }, {
@@ -4468,13 +4471,16 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
         vsir = get_first(contents, 'videoSecondaryInfoRenderer')
         if vsir:
             vor = traverse_obj(vsir, ('owner', 'videoOwnerRenderer'))
-            collaborators = traverse_obj(vor, (
+            collab_view_models = traverse_obj(vor, (
                 'attributedTitle', 'commandRuns', ..., 'onTap', 'innertubeCommand', 'showDialogCommand',
                 'panelLoadingStrategy', 'inlineContent', 'dialogViewModel', 'customContent', 'listViewModel',
-                'listItems', ..., 'listItemViewModel', 'title', 'content', {str}))
+                'listItems', ..., 'listItemViewModel', {dict}))
+            collaborators = traverse_obj(collab_view_models, (..., 'title', 'content', {str}))
             info.update({
                 'channel': self._get_text(vor, 'title') or (collaborators[0] if collaborators else None),
-                'channel_follower_count': self._get_count(vor, 'subscriberCountText'),
+                'channel_follower_count': (
+                    self._get_count(vor, 'subscriberCountText')
+                    or traverse_obj(collab_view_models, (0, 'rendererContext', 'accessibilityContext', 'label', {parse_count}))),
                 'creators': collaborators if collaborators else None,
             })
 

yt_dlp/utils/networking.py

@@ -17,7 +17,7 @@ from .traversal import traverse_obj
 def random_user_agent():
     USER_AGENT_TMPL = 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/{}.0.0.0 Safari/537.36'
     # Target versions released within the last ~6 months
-    CHROME_MAJOR_VERSION_RANGE = (144, 150)
+    CHROME_MAJOR_VERSION_RANGE = (145, 151)
     return USER_AGENT_TMPL.format(random.randint(*CHROME_MAJOR_VERSION_RANGE))