diff --git a/builds/4chan-X.user.js b/builds/4chan-X.user.js
index 790422594..b458f233c 100644
--- a/builds/4chan-X.user.js
+++ b/builds/4chan-X.user.js
@@ -3240,10 +3240,15 @@
       }
       Navigate.title();
       try {
+        pageNum || (pageNum = 0);
         if (req.status === 200) {
           Index.parse(req.response, pageNum);
         } else if (req.status === 304) {
-          Index.pageNav(pageNum || 0);
+          if (Index.currentPage === pageNum) {
+            Index.buildIndex();
+          } else {
+            Index.pageNav(pageNum);
+          }
         }
       } catch (_error) {
         err = _error;
@@ -3266,7 +3271,7 @@
       Index.parseThreadList(pages);
       Index.buildThreads();
       Index.sort();
-      if (pageNum != null) {
+      if ((pageNum != null) && Index.currentPage !== pageNum) {
         Index.pageNav(pageNum);
         return;
       }
@@ -4016,6 +4021,7 @@
           $.cache(url, function() {
             return Get.archivedPost(this, boardID, postID, root, context);
           }, {
+            responseType: 'json',
             withCredentials: url.archive.withCredentials
           });
         } else {
@@ -6775,6 +6781,9 @@
         }
         QR.status();
         QR.error(err);
+        if (QR.captcha.isEnabled) {
+          QR.captcha.setup();
+        }
         return;
       }
       h1 = $('h1', resDoc);
@@ -6805,6 +6814,9 @@
       });
       postsCount = QR.posts.length - 1;
       QR.cooldown.auto = postsCount && isReply;
+      if (QR.captcha.isEnabled && QR.cooldown.auto) {
+        QR.captcha.setup();
+      }
       if (!(Conf['Persistent QR'] || QR.cooldown.auto)) {
         QR.close();
       } else {
@@ -8294,8 +8306,8 @@
       return $.on(this.file.thumb, 'mouseover', ImageHover.mouseover);
     },
     catalogNode: function() {
-      var _ref, _ref1;
-      if (!(((_ref = this.thread.OP.file) != null ? _ref.isImage : void 0) || ((_ref1 = this.thread.OP.file) != null ? _ref1.isVideo : void 0))) {
+      var file;
+      if (!((file = this.thread.OP.file) && (file.isImage || file.isVideo))) {
         return;
       }
       return $.on(this.nodes.thumb, 'mouseover', ImageHover.mouseover);
diff --git a/builds/crx/script.js b/builds/crx/script.js
index c09e4e100..79be81f36 100644
--- a/builds/crx/script.js
+++ b/builds/crx/script.js
@@ -3301,10 +3301,15 @@
       }
       Navigate.title();
       try {
+        pageNum || (pageNum = 0);
         if (req.status === 200) {
           Index.parse(req.response, pageNum);
         } else if (req.status === 304) {
-          Index.pageNav(pageNum || 0);
+          if (Index.currentPage === pageNum) {
+            Index.buildIndex();
+          } else {
+            Index.pageNav(pageNum);
+          }
         }
       } catch (_error) {
         err = _error;
@@ -3327,7 +3332,7 @@
       Index.parseThreadList(pages);
       Index.buildThreads();
       Index.sort();
-      if (pageNum != null) {
+      if ((pageNum != null) && Index.currentPage !== pageNum) {
         Index.pageNav(pageNum);
         return;
       }
@@ -4077,6 +4082,7 @@
           $.cache(url, function() {
             return Get.archivedPost(this, boardID, postID, root, context);
           }, {
+            responseType: 'json',
             withCredentials: url.archive.withCredentials
           });
         } else {
@@ -6820,6 +6826,9 @@
         }
         QR.status();
         QR.error(err);
+        if (QR.captcha.isEnabled) {
+          QR.captcha.setup();
+        }
         return;
       }
       h1 = $('h1', resDoc);
@@ -6850,6 +6859,9 @@
       });
       postsCount = QR.posts.length - 1;
       QR.cooldown.auto = postsCount && isReply;
+      if (QR.captcha.isEnabled && QR.cooldown.auto) {
+        QR.captcha.setup();
+      }
       if (!(Conf['Persistent QR'] || QR.cooldown.auto)) {
         QR.close();
       } else {
@@ -8322,8 +8334,8 @@
       return $.on(this.file.thumb, 'mouseover', ImageHover.mouseover);
     },
     catalogNode: function() {
-      var _ref, _ref1;
-      if (!(((_ref = this.thread.OP.file) != null ? _ref.isImage : void 0) || ((_ref1 = this.thread.OP.file) != null ? _ref1.isVideo : void 0))) {
+      var file;
+      if (!((file = this.thread.OP.file) && (file.isImage || file.isVideo))) {
         return;
       }
       return $.on(this.nodes.thumb, 'mouseover', ImageHover.mouseover);
diff --git a/src/General/Get.coffee b/src/General/Get.coffee
index 3e7367753..15d285552 100755
--- a/src/General/Get.coffee
+++ b/src/General/Get.coffee
@@ -104,6 +104,7 @@ Get =
         $.cache url,
           -> Get.archivedPost @, boardID, postID, root, context
         ,
+          responseType: 'json'
           withCredentials: url.archive.withCredentials
       else
         $.addClass root, 'warning'
diff --git a/src/General/Index.coffee b/src/General/Index.coffee
index b48016e69..fac4f7bab 100644
--- a/src/General/Index.coffee
+++ b/src/General/Index.coffee
@@ -544,10 +544,14 @@ Index =
     Navigate.title()
 
     try
+      pageNum or= 0
       if req.status is 200
         Index.parse req.response, pageNum
       else if req.status is 304
-        Index.pageNav pageNum or 0
+        if Index.currentPage is pageNum
+          Index.buildIndex()
+        else
+          Index.pageNav pageNum
     catch err
       c.error "Index failure: #{err.message}", err.stack
       # network error or non-JSON content for example.
@@ -568,7 +572,7 @@ Index =
     Index.parseThreadList pages
     Index.buildThreads()
     Index.sort()
-    if pageNum?
+    if pageNum? and Index.currentPage isnt pageNum
       Index.pageNav pageNum
       return
     Index.buildIndex()
diff --git a/src/Images/ImageHover.coffee b/src/Images/ImageHover.coffee
index b06b72f7a..15ba073b5 100755
--- a/src/Images/ImageHover.coffee
+++ b/src/Images/ImageHover.coffee
@@ -12,7 +12,7 @@ ImageHover =
     return unless @file?.isImage or @file?.isVideo
     $.on @file.thumb, 'mouseover', ImageHover.mouseover
   catalogNode: ->
-    return unless @thread.OP.file?.isImage or @thread.OP.file?.isVideo
+    return unless (file = @thread.OP.file) and (file.isImage or file.isVideo)
     $.on @nodes.thumb, 'mouseover', ImageHover.mouseover
   mouseover: (e) ->
     post = if $.hasClass @, 'thumb'
diff --git a/src/Posting/QR.coffee b/src/Posting/QR.coffee
index f21ffb0fe..66977c6ef 100644
--- a/src/Posting/QR.coffee
+++ b/src/Posting/QR.coffee
@@ -755,6 +755,7 @@ QR =
         QR.cooldown.auto = false
       QR.status()
       QR.error err
+      QR.captcha.setup() if QR.captcha.isEnabled
       return
 
     h1 = $ 'h1', resDoc
@@ -789,6 +790,7 @@ QR =
     # Enable auto-posting if we have stuff left to post, disable it otherwise.
     postsCount = QR.posts.length - 1
     QR.cooldown.auto = postsCount and isReply
+    QR.captcha.setup() if QR.captcha.isEnabled and QR.cooldown.auto
 
     unless Conf['Persistent QR'] or QR.cooldown.auto
       QR.close()