diff --git a/plugins/domains/dribbble.com.js b/plugins/domains/dribbble.com.js
index 77ade2ec2..14f4285a9 100644
--- a/plugins/domains/dribbble.com.js
+++ b/plugins/domains/dribbble.com.js
@@ -45,7 +45,7 @@ export default {
                 links.push({
                     href: twitter.player.value,
                     type: CONFIG.T.text_html,
-                    rel: [CONFIG.R.player, CONFIG.R.gifv],
+                    rel: CONFIG.R.player,
                     'aspect-ratio': twitter.player.width / twitter.player.height,
                 })
             }
diff --git a/plugins/domains/facebook.com/facebook.thumbnail.js b/plugins/domains/facebook.com/facebook.thumbnail.js
index d97c99f87..a8e18318a 100644
--- a/plugins/domains/facebook.com/facebook.thumbnail.js
+++ b/plugins/domains/facebook.com/facebook.thumbnail.js
@@ -12,8 +12,6 @@ export default {
         'facebook.video'
     ],
 
-    mixins: ['facebook.meta-fallback'],
-
     getLink: function(url, __allowFBThumbnail, options, meta) {
 
         var thumbnail = meta.twitter?.image
@@ -77,6 +75,5 @@ export default {
     tests: [{
         noFeeds: true,
         skipMethods: ['getData', 'getLink'],
-        skipMixins: ['facebook.meta-fallback']
     }]
 };
\ No newline at end of file
diff --git a/plugins/domains/youtube.com/youtube.video.js b/plugins/domains/youtube.com/youtube.video.js
index e60c23068..2c9167dfd 100644
--- a/plugins/domains/youtube.com/youtube.video.js
+++ b/plugins/domains/youtube.com/youtube.video.js
@@ -68,12 +68,11 @@ export default {
                     return cb(error);
                 }
 
-                if (data && data.items && data.items.length > 0) {
-
+                if (data?.items?.length > 0) {
                     var entry = data.items[0];
 
                     var duration = 0;
-                    var durationStr = entry.contentDetails && entry.contentDetails.duration;
+                    var durationStr = entry.contentDetails?.duration;
                     if (durationStr) {
                         var m = durationStr.match(/(\d+)S/);
                         if (m) {
@@ -91,22 +90,24 @@ export default {
 
                     var gdata = {
                         id: urlMatch[1],
-                        title: entry.snippet && entry.snippet.title,
-                        uploaded: entry.snippet && entry.snippet.publishedAt,
-                        uploader: entry.snippet && entry.snippet.channelTitle,
-                        channelId: entry.snippet && entry.snippet.channelId,
-                        description: entry.snippet && entry.snippet.description,
-                        likeCount: entry.statistics && entry.statistics.likeCount,
-                        dislikeCount: entry.statistics && entry.statistics.dislikeCount,
-                        viewCount: entry.statistics && entry.statistics.viewCount,
-
-                        hd: entry.contentDetails && entry.contentDetails.definition === "hd",
-                        playerHtml: entry.player && entry.player.embedHtml,
+                        title: entry.snippet?.title,
+                        uploaded: entry.snippet?.publishedAt,
+                        uploader: entry.snippet?.channelTitle,
+                        channelId: entry.snippet?.channelId,
+                        description: entry.snippet?.description,
+                        likeCount: entry.statistics?.likeCount,
+                        dislikeCount: entry.statistics?.dislikeCount,
+                        viewCount: entry.statistics?.viewCount,
+
+                        hd: entry.contentDetails?.definition === "hd",
+                        playerHtml: entry.player?.embedHtml,
                         embeddable: entry.status ? entry.status.embeddable : true,
-                        uploadStatus: entry.status && entry.status.uploadStatus
+                        uploadStatus: entry.status?.uploadStatus,
+                        status: entry.status,
+                        ytRating: entry.contentDetails?.contentRating?.ytRating
                     };
 
-                    if (entry.snippet && entry.snippet.thumbnails) {
+                    if (entry.snippet?.thumbnails) {
                         gdata.thumbnails = entry.snippet.thumbnails;
                     }
 
@@ -117,7 +118,7 @@ export default {
                     if (gdata.uploadStatus === "rejected") {
                         cb({
                             responseStatusCode: 410,
-                            message: "The video has been removed. Reason: " + (entry.status && entry.status.rejectionReason || 'not given')
+                            message: "The video has been removed. Reason: " + (entry.status?.rejectionReason || 'not given')
                         });
                     } else {
                         cb(null, {
@@ -146,6 +147,7 @@ export default {
             likes: youtube_video_gdata.likeCount,
             dislikes: youtube_video_gdata.dislikeCount,
             views: youtube_video_gdata.viewCount,
+            warning: youtube_video_gdata.ytRating === 'ytAgeRestricted' ? 'age': null,
             site: "YouTube",
             canonical: "https://www.youtube.com/watch?v=" + youtube_video_gdata.id,
             author_url: "https://www.youtube.com/" + (youtube_video_gdata.channelId  ? "channel/" + youtube_video_gdata.channelId : "user/" + youtube_video_gdata.uploader)
@@ -202,7 +204,7 @@ export default {
         // https://developers.google.com/youtube/player_parameters#cc_load_policy
         var cc_load_policy = options.getRequestOptions('youtube.cc_load_policy', params.cc_load_policy);
         if (cc_load_policy) {
-            params.cc_load_policy = '1';
+            params.cc_load_policy = 1;
         } else if (params.cc_load_policy) {
             delete params.cc_load_policy;
         }
@@ -210,11 +212,23 @@ export default {
         // https://developers.google.com/youtube/player_parameters#controls
         var controls = options.getRequestOptions('youtube.controls', params.controls);
         if (controls == 0) {
-            params.controls = '0';
+            params.controls = 0;
         } else if (params.controls) {
             delete params.controls;
         }
 
+        // https://developers.google.com/youtube/player_parameters#loop
+        var loop = options.getRequestOptions('youtube.loop', params.loop);
+        if (loop) {
+            params.loop = 1;
+            // 'To loop a single video, set the loop parameter value to 1 and set the playlist parameter value to the same video ID'
+            if (!params.playlist) {
+                params.playlist = youtube_video_gdata.id;
+            }
+        } else if (params.loop) {
+            delete params.loop;
+        }        
+
         // Support for direct links to YouTube clip embeds
         if (/\/embed\/[^\?]+\?.*clip=.+clipt=.+/i.test(url)) {
             var uri = url;
@@ -254,7 +268,7 @@ export default {
         var links = [];
         var aspect = widescreen ? 16 / 9 : 4 / 3;
 
-        if (youtube_video_gdata.embeddable) {
+        if (youtube_video_gdata.embeddable && youtube_video_gdata.ytRating !== 'ytAgeRestricted') {
 
             var qs = querystring.stringify(params);
             if (qs !== '') {qs = '?' + qs}
@@ -284,6 +298,8 @@ export default {
                     }
                 }
             }); 
+        } else if (youtube_video_gdata.ytRating === 'ytAgeRestricted') {
+            links.push({message: "This video is age-restricted and only available on YouTube"});
         } else {
             links.push({message: (youtube_video_gdata.uploader || "Uploader of this video") +  " disabled embedding on other sites."});
         }