diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 74b50ecca..4920a30b8 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -82,7 +82,7 @@ jobs:
     - name: Set up Python
       uses: actions/setup-python@v2
       with:
-          python-version: '3.x'
+          python-version: '3.8'
     - name: Install Requirements
       run: pip install pyinstaller
     - name: Bump version
@@ -116,7 +116,7 @@ jobs:
     - name: Set up Python 3.5.4 32-Bit
       uses: actions/setup-python@v2
       with:
-          python-version: '3.5.4'
+          python-version: '3.4.4'
           architecture: 'x86'
     - name: Install Requirements for 32 Bit
       run: pip install pyinstaller==3.5
diff --git a/youtube_dlc/downloader/common.py b/youtube_dlc/downloader/common.py
index c65500d61..7d303be1c 100644
--- a/youtube_dlc/downloader/common.py
+++ b/youtube_dlc/downloader/common.py
@@ -364,8 +364,10 @@ class FileDownloader(object):
                         else '%.2f' % sleep_interval))
                 time.sleep(sleep_interval)
         else:
-            if self.params.get('sleep_interval_subtitles') > 0:
+            sleep_interval_sub = 0
+            if type(self.params.get('sleep_interval_subtitles')) is int:
                 sleep_interval_sub = self.params.get('sleep_interval_subtitles')
+            if sleep_interval_sub > 0:
                 self.to_screen(
                     '[download] Sleeping %s seconds...' % (
                         sleep_interval_sub))
diff --git a/youtube_dlc/downloader/external.py b/youtube_dlc/downloader/external.py
index c31f8910a..d2f8f271d 100644
--- a/youtube_dlc/downloader/external.py
+++ b/youtube_dlc/downloader/external.py
@@ -115,8 +115,10 @@ class CurlFD(ExternalFD):
 
     def _make_cmd(self, tmpfilename, info_dict):
         cmd = [self.exe, '--location', '-o', tmpfilename]
-        for key, val in info_dict['http_headers'].items():
-            cmd += ['--header', '%s: %s' % (key, val)]
+        if info_dict.get('http_headers') is not None:
+            for key, val in info_dict['http_headers'].items():
+                cmd += ['--header', '%s: %s' % (key, val)]
+
         cmd += self._bool_option('--continue-at', 'continuedl', '-', '0')
         cmd += self._valueless_option('--silent', 'noprogress')
         cmd += self._valueless_option('--verbose', 'verbose')
@@ -150,8 +152,9 @@ class AxelFD(ExternalFD):
 
     def _make_cmd(self, tmpfilename, info_dict):
         cmd = [self.exe, '-o', tmpfilename]
-        for key, val in info_dict['http_headers'].items():
-            cmd += ['-H', '%s: %s' % (key, val)]
+        if info_dict.get('http_headers') is not None:
+            for key, val in info_dict['http_headers'].items():
+                cmd += ['-H', '%s: %s' % (key, val)]
         cmd += self._configuration_args()
         cmd += ['--', info_dict['url']]
         return cmd
@@ -162,8 +165,9 @@ class WgetFD(ExternalFD):
 
     def _make_cmd(self, tmpfilename, info_dict):
         cmd = [self.exe, '-O', tmpfilename, '-nv', '--no-cookies']
-        for key, val in info_dict['http_headers'].items():
-            cmd += ['--header', '%s: %s' % (key, val)]
+        if info_dict.get('http_headers') is not None:
+            for key, val in info_dict['http_headers'].items():
+                cmd += ['--header', '%s: %s' % (key, val)]
         cmd += self._option('--limit-rate', 'ratelimit')
         retry = self._option('--tries', 'retries')
         if len(retry) == 2:
@@ -189,8 +193,9 @@ class Aria2cFD(ExternalFD):
         if dn:
             cmd += ['--dir', dn]
         cmd += ['--out', os.path.basename(tmpfilename)]
-        for key, val in info_dict['http_headers'].items():
-            cmd += ['--header', '%s: %s' % (key, val)]
+        if info_dict.get('http_headers') is not None:
+            for key, val in info_dict['http_headers'].items():
+                cmd += ['--header', '%s: %s' % (key, val)]
         cmd += self._option('--interface', 'source_address')
         cmd += self._option('--all-proxy', 'proxy')
         cmd += self._bool_option('--check-certificate', 'nocheckcertificate', 'false', 'true', '=')
@@ -206,8 +211,10 @@ class HttpieFD(ExternalFD):
 
     def _make_cmd(self, tmpfilename, info_dict):
         cmd = ['http', '--download', '--output', tmpfilename, info_dict['url']]
-        for key, val in info_dict['http_headers'].items():
-            cmd += ['%s:%s' % (key, val)]
+
+        if info_dict.get('http_headers') is not None:
+            for key, val in info_dict['http_headers'].items():
+                cmd += ['%s:%s' % (key, val)]
         return cmd
 
 
@@ -253,7 +260,7 @@ class FFmpegFD(ExternalFD):
         # if end_time:
         #     args += ['-t', compat_str(end_time - start_time)]
 
-        if info_dict['http_headers'] and re.match(r'^https?://', url):
+        if info_dict.get('http_headers') is not None and re.match(r'^https?://', url):
             # Trailing \r\n after each HTTP header is important to prevent warning from ffmpeg/avconv:
             # [http @ 00000000003d2fa0] No trailing CRLF found in HTTP header.
             headers = handle_youtubedl_headers(info_dict['http_headers'])
diff --git a/youtube_dlc/downloader/youtube_live_chat.py b/youtube_dlc/downloader/youtube_live_chat.py
index 4932dd9c5..b333afa5b 100644
--- a/youtube_dlc/downloader/youtube_live_chat.py
+++ b/youtube_dlc/downloader/youtube_live_chat.py
@@ -82,7 +82,10 @@ class YoutubeLiveChatReplayFD(FragmentFD):
                         offset = int(replay_chat_item_action['videoOffsetTimeMsec'])
                     processed_fragment.extend(
                         json.dumps(action, ensure_ascii=False).encode('utf-8') + b'\n')
-                continuation_id = live_chat_continuation['continuations'][0]['liveChatReplayContinuationData']['continuation']
+                try:
+                    continuation_id = live_chat_continuation['continuations'][0]['liveChatReplayContinuationData']['continuation']
+                except KeyError:
+                    continuation_id = None
 
             self._append_fragment(ctx, processed_fragment)
 
diff --git a/youtube_dlc/extractor/extractors.py b/youtube_dlc/extractor/extractors.py
index 24c107598..c77ca12cc 100644
--- a/youtube_dlc/extractor/extractors.py
+++ b/youtube_dlc/extractor/extractors.py
@@ -1175,6 +1175,7 @@ from .theweatherchannel import TheWeatherChannelIE
 from .thisamericanlife import ThisAmericanLifeIE
 from .thisav import ThisAVIE
 from .thisoldhouse import ThisOldHouseIE
+from .thisvid import ThisVidIE
 from .threeqsdn import ThreeQSDNIE
 from .tiktok import TikTokIE
 from .tinypic import TinyPicIE
diff --git a/youtube_dlc/extractor/thisvid.py b/youtube_dlc/extractor/thisvid.py
new file mode 100644
index 000000000..f507e1b06
--- /dev/null
+++ b/youtube_dlc/extractor/thisvid.py
@@ -0,0 +1,97 @@
+# coding: utf-8
+from __future__ import unicode_literals
+import re
+
+from .common import InfoExtractor
+
+
+class ThisVidIE(InfoExtractor):
+    _VALID_URL = r'https?://(?:www\.)?thisvid\.com/(?P<type>videos|embed)/(?P<id>[A-Za-z0-9-]+/?)'
+    _TESTS = [{
+        'url': 'https://thisvid.com/videos/french-boy-pantsed/',
+        'md5': '3397979512c682f6b85b3b04989df224',
+        'info_dict': {
+            'id': '2400174',
+            'ext': 'mp4',
+            'title': 'French Boy Pantsed',
+            'thumbnail': 'https://media.thisvid.com/contents/videos_screenshots/2400000/2400174/preview.mp4.jpg',
+            'age_limit': 18,
+        }
+    }, {
+        'url': 'https://thisvid.com/embed/2400174/',
+        'md5': '3397979512c682f6b85b3b04989df224',
+        'info_dict': {
+            'id': '2400174',
+            'ext': 'mp4',
+            'title': 'French Boy Pantsed',
+            'thumbnail': 'https://media.thisvid.com/contents/videos_screenshots/2400000/2400174/preview.mp4.jpg',
+            'age_limit': 18,
+        }
+    }]
+
+    def _real_extract(self, url):
+        main_id = self._match_id(url)
+        webpage = self._download_webpage(url, main_id)
+
+        # URL decryptor was reversed from version 4.0.4, later verified working with 5.2.0 and may change in the future.
+        kvs_version = self._html_search_regex(r'<script [^>]+?src="https://thisvid\.com/player/kt_player\.js\?v=(\d+(\.\d+)+)">', webpage, 'kvs_version', fatal=False)
+        if not kvs_version.startswith("5."):
+            self.report_warning("Major version change (" + kvs_version + ") in player engine--Download may fail.")
+
+        title = self._html_search_regex(r'<title>(?:Video: )?(.+?)(?: - (?:\w+ porn at )?ThisVid(?:.com| tube))?</title>', webpage, 'title')
+        # video_id, video_url and license_code from the 'flashvars' JSON object:
+        video_id = self._html_search_regex(r"video_id: '([0-9]+)',", webpage, 'video_id')
+        video_url = self._html_search_regex(r"video_url: '(function/0/.+?)',", webpage, 'video_url')
+        license_code = self._html_search_regex(r"license_code: '([0-9$]{16})',", webpage, 'license_code')
+        thumbnail = self._html_search_regex(r"preview_url: '((?:https?:)?//media.thisvid.com/.+?.jpg)',", webpage, 'thumbnail', fatal=False)
+        if thumbnail.startswith("//"):
+            thumbnail = "https:" + thumbnail
+        if (re.match(self._VALID_URL, url).group('type') == "videos"):
+            display_id = main_id
+        else:
+            display_id = self._search_regex(r'<link rel="canonical" href="' + self._VALID_URL + r'">', webpage, 'display_id', fatal=False),
+
+        return {
+            'id': video_id,
+            'display_id': display_id,
+            'title': title,
+            'url': getrealurl(video_url, license_code),
+            'thumbnail': thumbnail,
+            'age_limit': 18,
+        }
+
+
+def getrealurl(video_url, license_code):
+    urlparts = video_url.split('/')[2:]
+    license = getlicensetoken(license_code)
+    newmagic = urlparts[5][:32]
+
+    for o in range(len(newmagic) - 1, -1, -1):
+        new = ""
+        l = (o + sum([int(n) for n in license[o:]])) % 32
+
+        for i in range(0, len(newmagic)):
+            if i == o:
+                new += newmagic[l]
+            elif i == l:
+                new += newmagic[o]
+            else:
+                new += newmagic[i]
+        newmagic = new
+
+    urlparts[5] = newmagic + urlparts[5][32:]
+    return "/".join(urlparts)
+
+
+def getlicensetoken(license):
+    modlicense = license.replace("$", "").replace("0", "1")
+    center = int(len(modlicense) / 2)
+    fronthalf = int(modlicense[:center + 1])
+    backhalf = int(modlicense[center:])
+
+    modlicense = str(4 * abs(fronthalf - backhalf))
+    retval = ""
+    for o in range(0, center + 1):
+        for i in range(1, 5):
+            retval += str((int(license[o + i]) + int(modlicense[o])) % 10)
+    return retval
diff --git a/youtube_dlc/extractor/viki.py b/youtube_dlc/extractor/viki.py
index 0f188f84d..6bddf8be9 100644
--- a/youtube_dlc/extractor/viki.py
+++ b/youtube_dlc/extractor/viki.py
@@ -308,17 +308,26 @@ class VikiIE(VikiBaseIE):
                 'url': thumbnail.get('url'),
             })
 
-        new_video = self._download_json(
-            'https://www.viki.com/api/videos/%s' % video_id, video_id,
-            'Downloading new video JSON to get subtitles', headers={'x-viki-app-ver': '2.2.5.1428709186'}, expected_status=[200, 400, 404])
-
         subtitles = {}
-        for sub in new_video.get('streamSubtitles').get('dash'):
-            subtitles[sub.get('srclang')] = [{
-                'ext': 'vtt',
-                'url': sub.get('src'),
-                'completion': sub.get('percentage'),
-            }]
+        try:
+            # New way to fetch subtitles
+            new_video = self._download_json(
+                'https://www.viki.com/api/videos/%s' % video_id, video_id,
+                'Downloading new video JSON to get subtitles', headers={'x-viki-app-ver': '2.2.5.1428709186'}, expected_status=[200, 400, 404])
+            for sub in new_video.get('streamSubtitles').get('dash'):
+                subtitles[sub.get('srclang')] = [{
+                    'ext': 'vtt',
+                    'url': sub.get('src'),
+                    'completion': sub.get('percentage'),
+                }]
+        except AttributeError:
+            # fall-back to the old way if there isn't a streamSubtitles attribute
+            for subtitle_lang, _ in video.get('subtitle_completions', {}).items():
+                subtitles[subtitle_lang] = [{
+                    'ext': subtitles_format,
+                    'url': self._prepare_call(
+                        'videos/%s/subtitles/%s.%s' % (video_id, subtitle_lang, subtitles_format)),
+                } for subtitles_format in ('srt', 'vtt')]
 
         result = {
             'id': video_id,
diff --git a/youtube_dlc/extractor/youtube.py b/youtube_dlc/extractor/youtube.py
index 3ec2581dc..d5d25859d 100644
--- a/youtube_dlc/extractor/youtube.py
+++ b/youtube_dlc/extractor/youtube.py
@@ -36,6 +36,7 @@ from ..utils import (
     get_element_by_attribute,
     get_element_by_id,
     int_or_none,
+    js_to_json,
     mimetype2ext,
     orderedSet,
     parse_codecs,
@@ -70,6 +71,8 @@ class YoutubeBaseInfoExtractor(InfoExtractor):
     _LOGIN_REQUIRED = False
 
     _PLAYLIST_ID_RE = r'(?:PL|LL|EC|UU|FL|RD|UL|TL|PU|OLAK5uy_)[0-9A-Za-z-_]{10,}'
+    _INITIAL_DATA_RE = r'(?:window\["ytInitialData"\]|ytInitialData)\W?=\W?({.*?});'
+    _YTCFG_DATA_RE = r"ytcfg.set\(({.*?})\)"
 
     _YOUTUBE_CLIENT_HEADERS = {
         'x-youtube-client-name': '1',
@@ -274,7 +277,6 @@ class YoutubeBaseInfoExtractor(InfoExtractor):
 
     def _download_webpage_handle(self, *args, **kwargs):
         query = kwargs.get('query', {}).copy()
-        query['disable_polymer'] = 'true'
         kwargs['query'] = query
         return super(YoutubeBaseInfoExtractor, self)._download_webpage_handle(
             *args, **compat_kwargs(kwargs))
@@ -297,15 +299,61 @@ class YoutubeBaseInfoExtractor(InfoExtractor):
 
 
 class YoutubeEntryListBaseInfoExtractor(YoutubeBaseInfoExtractor):
-    # Extract entries from page with "Load more" button
-    def _entries(self, page, playlist_id):
-        more_widget_html = content_html = page
-        for page_num in itertools.count(1):
-            for entry in self._process_page(content_html):
+
+    def _find_entries_in_json(self, extracted):
+        entries = []
+        c = {}
+
+        def _real_find(obj):
+            if obj is None or isinstance(obj, str):
+                return
+
+            if type(obj) is list:
+                for elem in obj:
+                    _real_find(elem)
+
+            if type(obj) is dict:
+                if self._is_entry(obj):
+                    entries.append(obj)
+                    return
+
+                if 'continuationCommand' in obj:
+                    c['continuation'] = obj
+                    return
+
+                for _, o in obj.items():
+                    _real_find(o)
+
+        _real_find(extracted)
+
+        return entries, try_get(c, lambda x: x["continuation"])
+
+    def _entries(self, page, playlist_id, max_pages=None):
+        seen = []
+
+        yt_conf = {}
+        for m in re.finditer(self._YTCFG_DATA_RE, page):
+            parsed = self._parse_json(m.group(1), playlist_id,
+                                      transform_source=js_to_json, fatal=False)
+            if parsed:
+                yt_conf.update(parsed)
+
+        data_json = self._parse_json(self._search_regex(self._INITIAL_DATA_RE, page, 'ytInitialData'), None)
+
+        for page_num in range(1, max_pages + 1) if max_pages is not None else itertools.count(1):
+            entries, continuation = self._find_entries_in_json(data_json)
+            processed = self._process_entries(entries, seen)
+
+            if not processed:
+                break
+            for entry in processed:
                 yield entry
 
-            mobj = re.search(r'data-uix-load-more-href="/?(?P<more>[^"]+)"', more_widget_html)
-            if not mobj:
+            if not continuation or not yt_conf:
+                break
+            continuation_token = try_get(continuation, lambda x: x['continuationCommand']['token'])
+            continuation_url = try_get(continuation, lambda x: x['commandMetadata']['webCommandMetadata']['apiUrl'])
+            if not continuation_token or not continuation_url:
                 break
 
             count = 0
@@ -314,12 +362,23 @@ class YoutubeEntryListBaseInfoExtractor(YoutubeBaseInfoExtractor):
                 try:
                     # Downloading page may result in intermittent 5xx HTTP error
                     # that is usually worked around with a retry
-                    more = self._download_json(
-                        'https://www.youtube.com/%s' % mobj.group('more'), playlist_id,
-                        'Downloading page #%s%s'
-                        % (page_num, ' (retry #%d)' % count if count else ''),
+                    data_json = self._download_json(
+                        'https://www.youtube.com%s' % continuation_url,
+                        playlist_id,
+                        'Downloading continuation page #%s%s' % (page_num, ' (retry #%d)' % count if count else ''),
+
                         transform_source=uppercase_escape,
-                        headers=self._YOUTUBE_CLIENT_HEADERS)
+                        query={
+                            'key': try_get(yt_conf, lambda x: x['INNERTUBE_API_KEY'])
+                        },
+                        data=bytes(json.dumps({
+                            'context': try_get(yt_conf, lambda x: x['INNERTUBE_CONTEXT']),
+                            'continuation': continuation_token
+                        }), encoding='utf-8'),
+                        headers={
+                            'Content-Type': 'application/json'
+                        }
+                    )
                     break
                 except ExtractorError as e:
                     if isinstance(e.cause, compat_HTTPError) and e.cause.code in (500, 503):
@@ -328,31 +387,30 @@ class YoutubeEntryListBaseInfoExtractor(YoutubeBaseInfoExtractor):
                             continue
                     raise
 
-            content_html = more['content_html']
-            if not content_html.strip():
-                # Some webpages show a "Load more" button but they don't
-                # have more videos
-                break
-            more_widget_html = more['load_more_widget_html']
+    def _extract_title(self, renderer):
+        title = try_get(renderer, lambda x: x['title']['runs'][0]['text'], compat_str)
+        if title:
+            return title
+        return try_get(renderer, lambda x: x['title']['simpleText'], compat_str)
 
 
 class YoutubePlaylistBaseInfoExtractor(YoutubeEntryListBaseInfoExtractor):
-    def _process_page(self, content):
-        for video_id, video_title in self.extract_videos_from_page(content):
-            yield self.url_result(video_id, 'Youtube', video_id, video_title)
+    def _is_entry(self, obj):
+        return 'videoId' in obj
 
-    def extract_videos_from_page_impl(self, video_re, page, ids_in_page, titles_in_page):
-        for mobj in re.finditer(video_re, page):
-            # The link with index 0 is not the first video of the playlist (not sure if still actual)
-            if 'index' in mobj.groupdict() and mobj.group('id') == '0':
+    def _process_entries(self, entries, seen):
+        ids_in_page = []
+        titles_in_page = []
+        for renderer in entries:
+            video_id = try_get(renderer, lambda x: x['videoId'])
+            video_title = self._extract_title(renderer)
+
+            if video_id is None or video_title is None:
+                # we do not have a videoRenderer or title extraction broke
                 continue
-            video_id = mobj.group('id')
-            video_title = unescapeHTML(
-                mobj.group('title')) if 'title' in mobj.groupdict() else None
-            if video_title:
-                video_title = video_title.strip()
-            if video_title == '► Play all':
-                video_title = None
+
+            video_title = video_title.strip()
+
             try:
                 idx = ids_in_page.index(video_id)
                 if video_title and not titles_in_page[idx]:
@@ -361,19 +419,17 @@ class YoutubePlaylistBaseInfoExtractor(YoutubeEntryListBaseInfoExtractor):
                 ids_in_page.append(video_id)
                 titles_in_page.append(video_title)
 
-    def extract_videos_from_page(self, page):
-        ids_in_page = []
-        titles_in_page = []
-        self.extract_videos_from_page_impl(
-            self._VIDEO_RE, page, ids_in_page, titles_in_page)
-        return zip(ids_in_page, titles_in_page)
+        for video_id, video_title in zip(ids_in_page, titles_in_page):
+            yield self.url_result(video_id, 'Youtube', video_id, video_title)
 
 
 class YoutubePlaylistsBaseInfoExtractor(YoutubeEntryListBaseInfoExtractor):
-    def _process_page(self, content):
-        for playlist_id in orderedSet(re.findall(
-                r'<h3[^>]+class="[^"]*yt-lockup-title[^"]*"[^>]*><a[^>]+href="/?playlist\?list=([0-9A-Za-z-_]{10,})"',
-                content)):
+    def _is_entry(self, obj):
+        return 'playlistId' in obj
+
+    def _process_entries(self, entries, seen):
+        for playlist_id in orderedSet(try_get(r, lambda x: x['playlistId']) for r in entries):
+
             yield self.url_result(
                 'https://www.youtube.com/playlist?list=%s' % playlist_id, 'YoutubePlaylist')
 
@@ -3240,11 +3296,7 @@ class YoutubePlaylistsIE(YoutubePlaylistsBaseInfoExtractor):
     }]
 
 
-class YoutubeSearchBaseInfoExtractor(YoutubePlaylistBaseInfoExtractor):
-    _VIDEO_RE = r'href="\s*/watch\?v=(?P<id>[0-9A-Za-z_-]{11})(?:[^"]*"[^>]+\btitle="(?P<title>[^"]+))?'
-
-
-class YoutubeSearchIE(SearchInfoExtractor, YoutubeSearchBaseInfoExtractor):
+class YoutubeSearchIE(SearchInfoExtractor, YoutubePlaylistBaseInfoExtractor):
     IE_DESC = 'YouTube.com searches'
     # there doesn't appear to be a real limit, for example if you search for
     # 'python' you get more than 8.000.000 results
@@ -3341,11 +3393,10 @@ class YoutubeSearchDateIE(YoutubeSearchIE):
     _SEARCH_PARAMS = 'CAI%3D'
 
 
-class YoutubeSearchURLIE(YoutubeSearchBaseInfoExtractor):
+class YoutubeSearchURLIE(YoutubePlaylistBaseInfoExtractor):
     IE_DESC = 'YouTube.com search URLs'
     IE_NAME = 'youtube:search_url'
     _VALID_URL = r'https?://(?:www\.)?youtube\.com/results\?(.*?&)?(?:search_query|q)=(?P<query>[^&]+)(?:[&]|$)'
-    _SEARCH_DATA = r'(?:window\["ytInitialData"\]|ytInitialData)\W?=\W?({.*?});'
     _TESTS = [{
         'url': 'https://www.youtube.com/results?baz=bar&search_query=youtube-dl+test+video&filters=video&lclk=video',
         'playlist_mincount': 5,
@@ -3357,63 +3408,20 @@ class YoutubeSearchURLIE(YoutubeSearchBaseInfoExtractor):
         'only_matching': True,
     }]
 
-    def _find_videos_in_json(self, extracted):
-        videos = []
+    def _process_json_dict(self, obj, videos, c):
+        if "videoId" in obj:
+            videos.append(obj)
+            return
 
-        def _real_find(obj):
-            if obj is None or isinstance(obj, str):
-                return
-
-            if type(obj) is list:
-                for elem in obj:
-                    _real_find(elem)
-
-            if type(obj) is dict:
-                if "videoId" in obj:
-                    videos.append(obj)
-                    return
-
-                for _, o in obj.items():
-                    _real_find(o)
-
-        _real_find(extracted)
-
-        return videos
-
-    def extract_videos_from_page_impl(self, page, ids_in_page, titles_in_page):
-        search_response = self._parse_json(self._search_regex(self._SEARCH_DATA, page, 'ytInitialData'), None)
-
-        result_items = self._find_videos_in_json(search_response)
-
-        for renderer in result_items:
-            video_id = try_get(renderer, lambda x: x['videoId'])
-            video_title = try_get(renderer, lambda x: x['title']['runs'][0]['text']) or try_get(renderer, lambda x: x['title']['simpleText'])
-
-            if video_id is None or video_title is None:
-                # we do not have a videoRenderer or title extraction broke
-                continue
-
-            video_title = video_title.strip()
-
-            try:
-                idx = ids_in_page.index(video_id)
-                if video_title and not titles_in_page[idx]:
-                    titles_in_page[idx] = video_title
-            except ValueError:
-                ids_in_page.append(video_id)
-                titles_in_page.append(video_title)
-
-    def extract_videos_from_page(self, page):
-        ids_in_page = []
-        titles_in_page = []
-        self.extract_videos_from_page_impl(page, ids_in_page, titles_in_page)
-        return zip(ids_in_page, titles_in_page)
+        if "nextContinuationData" in obj:
+            c["continuation"] = obj["nextContinuationData"]
+            return
 
     def _real_extract(self, url):
         mobj = re.match(self._VALID_URL, url)
         query = compat_urllib_parse_unquote_plus(mobj.group('query'))
         webpage = self._download_webpage(url, query)
-        return self.playlist_result(self._process_page(webpage), playlist_title=query)
+        return self.playlist_result(self._entries(webpage, query, max_pages=5), playlist_title=query)
 
 
 class YoutubeShowIE(YoutubePlaylistsBaseInfoExtractor):
@@ -3435,14 +3443,12 @@ class YoutubeShowIE(YoutubePlaylistsBaseInfoExtractor):
             'https://www.youtube.com/show/%s/playlists' % playlist_id)
 
 
-class YoutubeFeedsInfoExtractor(YoutubeBaseInfoExtractor):
+class YoutubeFeedsInfoExtractor(YoutubePlaylistBaseInfoExtractor):
     """
     Base class for feed extractors
     Subclasses must define the _FEED_NAME and _PLAYLIST_TITLE properties.
     """
     _LOGIN_REQUIRED = True
-    _FEED_DATA = r'(?:window\["ytInitialData"\]|ytInitialData)\W?=\W?({.*?});'
-    _YTCFG_DATA = r"ytcfg.set\(({.*?})\)"
 
     @property
     def IE_NAME(self):
@@ -3451,96 +3457,35 @@ class YoutubeFeedsInfoExtractor(YoutubeBaseInfoExtractor):
     def _real_initialize(self):
         self._login()
 
-    def _find_videos_in_json(self, extracted):
-        videos = []
-        c = {}
+    def _process_entries(self, entries, seen):
+        new_info = []
+        for v in entries:
+            v_id = try_get(v, lambda x: x['videoId'])
+            if not v_id:
+                continue
 
-        def _real_find(obj):
-            if obj is None or isinstance(obj, str):
-                return
+            have_video = False
+            for old in seen:
+                if old['videoId'] == v_id:
+                    have_video = True
+                    break
 
-            if type(obj) is list:
-                for elem in obj:
-                    _real_find(elem)
+            if not have_video:
+                new_info.append(v)
 
-            if type(obj) is dict:
-                if "videoId" in obj:
-                    videos.append(obj)
-                    return
+        if not new_info:
+            return
 
-                if "nextContinuationData" in obj:
-                    c["continuation"] = obj["nextContinuationData"]
-                    return
-
-                for _, o in obj.items():
-                    _real_find(o)
-
-        _real_find(extracted)
-
-        return videos, try_get(c, lambda x: x["continuation"])
-
-    def _entries(self, page):
-        info = []
-
-        yt_conf = self._parse_json(self._search_regex(self._YTCFG_DATA, page, 'ytcfg.set', default="null"), None, fatal=False)
-
-        search_response = self._parse_json(self._search_regex(self._FEED_DATA, page, 'ytInitialData'), None)
-
-        for page_num in itertools.count(1):
-            video_info, continuation = self._find_videos_in_json(search_response)
-
-            new_info = []
-
-            for v in video_info:
-                v_id = try_get(v, lambda x: x['videoId'])
-                if not v_id:
-                    continue
-
-                have_video = False
-                for old in info:
-                    if old['videoId'] == v_id:
-                        have_video = True
-                        break
-
-                if not have_video:
-                    new_info.append(v)
-
-            if not new_info:
-                break
-
-            info.extend(new_info)
-
-            for video in new_info:
-                yield self.url_result(try_get(video, lambda x: x['videoId']), YoutubeIE.ie_key(), video_title=try_get(video, lambda x: x['title']['runs'][0]['text']) or try_get(video, lambda x: x['title']['simpleText']))
-
-            if not continuation or not yt_conf:
-                break
-
-            search_response = self._download_json(
-                'https://www.youtube.com/browse_ajax', self._PLAYLIST_TITLE,
-                'Downloading page #%s' % page_num,
-                transform_source=uppercase_escape,
-                query={
-                    "ctoken": try_get(continuation, lambda x: x["continuation"]),
-                    "continuation": try_get(continuation, lambda x: x["continuation"]),
-                    "itct": try_get(continuation, lambda x: x["clickTrackingParams"])
-                },
-                headers={
-                    "X-YouTube-Client-Name": try_get(yt_conf, lambda x: x["INNERTUBE_CONTEXT_CLIENT_NAME"]),
-                    "X-YouTube-Client-Version": try_get(yt_conf, lambda x: x["INNERTUBE_CONTEXT_CLIENT_VERSION"]),
-                    "X-Youtube-Identity-Token": try_get(yt_conf, lambda x: x["ID_TOKEN"]),
-                    "X-YouTube-Device": try_get(yt_conf, lambda x: x["DEVICE"]),
-                    "X-YouTube-Page-CL": try_get(yt_conf, lambda x: x["PAGE_CL"]),
-                    "X-YouTube-Page-Label": try_get(yt_conf, lambda x: x["PAGE_BUILD_LABEL"]),
-                    "X-YouTube-Variants-Checksum": try_get(yt_conf, lambda x: x["VARIANTS_CHECKSUM"]),
-                })
+        seen.extend(new_info)
+        for video in new_info:
+            yield self.url_result(try_get(video, lambda x: x['videoId']), YoutubeIE.ie_key(), video_title=self._extract_title(video))
 
     def _real_extract(self, url):
         page = self._download_webpage(
             'https://www.youtube.com/feed/%s' % self._FEED_NAME,
             self._PLAYLIST_TITLE)
-        return self.playlist_result(
-            self._entries(page), playlist_title=self._PLAYLIST_TITLE)
+        return self.playlist_result(self._entries(page, self._PLAYLIST_TITLE),
+                                    playlist_title=self._PLAYLIST_TITLE)
 
 
 class YoutubeWatchLaterIE(YoutubePlaylistIE):
diff --git a/youtube_dlc/extractor/zoom.py b/youtube_dlc/extractor/zoom.py
index 003e1f901..038a90297 100644
--- a/youtube_dlc/extractor/zoom.py
+++ b/youtube_dlc/extractor/zoom.py
@@ -13,7 +13,7 @@ from ..utils import (
 
 class ZoomIE(InfoExtractor):
     IE_NAME = 'zoom'
-    _VALID_URL = r'https://(?:.*).?zoom.us/rec(?:ording)?/play/(?P<id>[A-Za-z0-9\-_]+)'
+    _VALID_URL = r'https://(?:.*).?zoom.us/rec(?:ording)?/(play|share)/(?P<id>[A-Za-z0-9\-_.]+)'
 
     _TEST = {
         'url': 'https://zoom.us/recording/play/SILVuCL4bFtRwWTtOCFQQxAsBQsJljFtm9e4Z_bvo-A8B-nzUSYZRNuPl3qW5IGK',