diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8fbc53a17..432fc941e 100755
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -48,6 +48,7 @@
 - Clicking on the border of the Header will not toggle `Header auto-hide` anymore.
   You can still change the setting in the Header menu → Header.
 - Bugfixes
+- WebM support fixes.
 
 **Vampiricwulf**
 - Flash embedding and other Flash features.
@@ -62,6 +63,7 @@
 - Improved Linkifier link detection.
 - Fixed an issue with Thread Updater intervals not saving correctly.
 - Many spiffy performance, state awareness, and sanity improvements to JSON Navigation.
+- Reload captcha if there are posts in the queue.
 
 ### v1.5.2 
 *2014-04-04*
diff --git a/builds/4chan-X.user.js b/builds/4chan-X.user.js
index a8d90ee80..9758a1b0b 100644
--- a/builds/4chan-X.user.js
+++ b/builds/4chan-X.user.js
@@ -3610,10 +3610,11 @@
     gifIcon: window.devicePixelRatio >= 2 ? '@2x.gif' : '.gif',
     spoilerRange: {},
     shortFilename: function(filename, isReply) {
-      var threshold;
+      var ext, threshold;
       threshold = isReply ? 30 : 40;
-      if (filename.length - 4 > threshold) {
-        return "" + filename.slice(0, threshold - 5) + "(...)." + filename.slice(-3);
+      ext = filename.match(/\.[^.]+$/)[0];
+      if (filename.length - ext.length > threshold) {
+        return "" + filename.slice(0, threshold - 5) + "(...)" + ext;
       } else {
         return filename;
       }
@@ -4780,7 +4781,9 @@
       return false;
     },
     dimensions: function(post) {
-      if (post.file && post.file.isImage) {
+      var file;
+      file = post.file;
+      if (file && (file.isImage || file.isVideo)) {
         return post.file.dimensions;
       }
       return false;
@@ -5933,7 +5936,6 @@
   };
 
   QR = {
-    mimeTypes: ['image/jpeg', 'image/png', 'image/gif', 'application/pdf', 'application/x-shockwave-flash', 'video/webm', ''],
     init: function() {
       var sc;
       if (!Conf['Quick Reply']) {
@@ -6121,6 +6123,7 @@
       }
       if (QR.captcha.isEnabled && /captcha|verification/i.test(el.textContent)) {
         QR.captcha.nodes.input.focus();
+        QR.captcha.setup();
         if (Conf['Captcha Warning Notifications'] && !d.hidden) {
           QR.notify(el);
         } else {
@@ -6394,29 +6397,21 @@
       }
     },
     handleFile: function(file, isSingle, max) {
-      var post, _ref;
+      var post;
       if (file.size > max) {
         QR.error("" + file.name + ": File too large (file: " + ($.bytesToString(file.size)) + ", max: " + ($.bytesToString(max)) + ").");
         return;
-      } else if (_ref = file.type, __indexOf.call(QR.mimeTypes, _ref) < 0) {
-        if (!/^text/.test(file.type)) {
-          QR.error("" + file.name + ": Unsupported file type.");
-          return;
-        }
-        if (isSingle) {
-          post = QR.selected;
-        } else if ((post = QR.posts[QR.posts.length - 1]).com) {
-          post = new QR.post();
-        }
-        post.pasteText(file);
-        return;
       }
       if (isSingle) {
         post = QR.selected;
       } else if ((post = QR.posts[QR.posts.length - 1]).file) {
         post = new QR.post();
       }
-      return post.setFile(file);
+      if (/^text/.test(file.type)) {
+        return post.pasteText(file);
+      } else {
+        return post.setFile(file);
+      }
     },
     openFileInput: function(e) {
       var _ref;
@@ -7252,6 +7247,9 @@
         $.rmClass(QR.nodes.el, 'dump');
       } else if (this === QR.selected) {
         (QR.posts[index - 1] || QR.posts[index + 1]).select();
+        if (QR.captcha.isEnabled) {
+          QR.captcha.setup();
+        }
       }
       QR.posts.splice(index, 1);
       return QR.status();
@@ -7992,7 +7990,7 @@
             if (!(file && (file.isImage || file.isVideo) && doc.contains(post.nodes.root))) {
               return;
             }
-            if (ImageExpand.on && (!Conf['Expand spoilers'] && file.isSpoiler || Conf['Expand from here'] && Header.getTopOf(file.thumb) < 0)) {
+            if (ImageExpand.on && !post.isHidden && (!Conf['Expand spoilers'] && file.isSpoiler || Conf['Expand from here'] && Header.getTopOf(file.thumb) < 0)) {
               return;
             }
             $.queueTask(func, post);
@@ -11618,11 +11616,7 @@
         return FileInfo.convertUnit(this.file.sizeInBytes, 'MB');
       },
       r: function() {
-        if (this.file.isImage || this.file.isVideo) {
-          return this.file.dimensions;
-        } else {
-          return 'PDF';
-        }
+        return this.file.dimensions || 'PDF';
       }
     }
   };
@@ -13353,6 +13347,7 @@
           sizeInBytes: 276 * 1024,
           dimensions: '1280x720',
           isImage: true,
+          isVideo: false,
           isSpoiler: true
         }
       };
diff --git a/builds/crx/script.js b/builds/crx/script.js
index 3045f0570..79d3f4669 100644
--- a/builds/crx/script.js
+++ b/builds/crx/script.js
@@ -3671,10 +3671,11 @@
     gifIcon: window.devicePixelRatio >= 2 ? '@2x.gif' : '.gif',
     spoilerRange: {},
     shortFilename: function(filename, isReply) {
-      var threshold;
+      var ext, threshold;
       threshold = isReply ? 30 : 40;
-      if (filename.length - 4 > threshold) {
-        return "" + filename.slice(0, threshold - 5) + "(...)." + filename.slice(-3);
+      ext = filename.match(/\.[^.]+$/)[0];
+      if (filename.length - ext.length > threshold) {
+        return "" + filename.slice(0, threshold - 5) + "(...)" + ext;
       } else {
         return filename;
       }
@@ -4834,7 +4835,9 @@
       return false;
     },
     dimensions: function(post) {
-      if (post.file && post.file.isImage) {
+      var file;
+      file = post.file;
+      if (file && (file.isImage || file.isVideo)) {
         return post.file.dimensions;
       }
       return false;
@@ -5987,7 +5990,6 @@
   };
 
   QR = {
-    mimeTypes: ['image/jpeg', 'image/png', 'image/gif', 'application/pdf', 'application/x-shockwave-flash', 'video/webm', ''],
     init: function() {
       var sc;
       if (!Conf['Quick Reply']) {
@@ -6176,6 +6178,7 @@
       }
       if (QR.captcha.isEnabled && /captcha|verification/i.test(el.textContent)) {
         QR.captcha.nodes.input.focus();
+        QR.captcha.setup();
         if (Conf['Captcha Warning Notifications'] && !d.hidden) {
           QR.notify(el);
         } else {
@@ -6450,29 +6453,21 @@
       }
     },
     handleFile: function(file, isSingle, max) {
-      var post, _ref;
+      var post;
       if (file.size > max) {
         QR.error("" + file.name + ": File too large (file: " + ($.bytesToString(file.size)) + ", max: " + ($.bytesToString(max)) + ").");
         return;
-      } else if (_ref = file.type, __indexOf.call(QR.mimeTypes, _ref) < 0) {
-        if (!/^text/.test(file.type)) {
-          QR.error("" + file.name + ": Unsupported file type.");
-          return;
-        }
-        if (isSingle) {
-          post = QR.selected;
-        } else if ((post = QR.posts[QR.posts.length - 1]).com) {
-          post = new QR.post();
-        }
-        post.pasteText(file);
-        return;
       }
       if (isSingle) {
         post = QR.selected;
       } else if ((post = QR.posts[QR.posts.length - 1]).file) {
         post = new QR.post();
       }
-      return post.setFile(file);
+      if (/^text/.test(file.type)) {
+        return post.pasteText(file);
+      } else {
+        return post.setFile(file);
+      }
     },
     openFileInput: function(e) {
       var _ref;
@@ -7291,6 +7286,9 @@
         $.rmClass(QR.nodes.el, 'dump');
       } else if (this === QR.selected) {
         (QR.posts[index - 1] || QR.posts[index + 1]).select();
+        if (QR.captcha.isEnabled) {
+          QR.captcha.setup();
+        }
       }
       QR.posts.splice(index, 1);
       return QR.status();
@@ -8031,7 +8029,7 @@
             if (!(file && (file.isImage || file.isVideo) && doc.contains(post.nodes.root))) {
               return;
             }
-            if (ImageExpand.on && (!Conf['Expand spoilers'] && file.isSpoiler || Conf['Expand from here'] && Header.getTopOf(file.thumb) < 0)) {
+            if (ImageExpand.on && !post.isHidden && (!Conf['Expand spoilers'] && file.isSpoiler || Conf['Expand from here'] && Header.getTopOf(file.thumb) < 0)) {
               return;
             }
             $.queueTask(func, post);
@@ -11634,11 +11632,7 @@
         return FileInfo.convertUnit(this.file.sizeInBytes, 'MB');
       },
       r: function() {
-        if (this.file.isImage || this.file.isVideo) {
-          return this.file.dimensions;
-        } else {
-          return 'PDF';
-        }
+        return this.file.dimensions || 'PDF';
       }
     }
   };
@@ -13372,6 +13366,7 @@
           sizeInBytes: 276 * 1024,
           dimensions: '1280x720',
           isImage: true,
+          isVideo: false,
           isSpoiler: true
         }
       };
diff --git a/package.json b/package.json
index 9e265ef0f..587b7a9bd 100755
--- a/package.json
+++ b/package.json
@@ -28,15 +28,15 @@
   },
   "devDependencies": {
     "font-awesome": "~4.0.3",
-    "grunt": "~0.4.2",
+    "grunt": "~0.4.4",
     "grunt-bump": "~0.0.13",
     "grunt-concurrent": "~0.5.0",
     "grunt-contrib-clean": "~0.5.0",
-    "grunt-contrib-coffee": "~0.10.0",
+    "grunt-contrib-coffee": "~0.10.1",
     "grunt-contrib-compress": "~0.7.0",
-    "grunt-contrib-concat": "~0.3.0",
+    "grunt-contrib-concat": "~0.4.0",
     "grunt-contrib-copy": "~0.5.0",
-    "grunt-contrib-watch": "~0.6.0",
+    "grunt-contrib-watch": "~0.6.1",
     "grunt-shell": "~0.6.4",
     "load-grunt-tasks": "~0.4.0"
   },
diff --git a/src/Filtering/Filter.coffee b/src/Filtering/Filter.coffee
index 044b6763d..1805f4a34 100755
--- a/src/Filtering/Filter.coffee
+++ b/src/Filtering/Filter.coffee
@@ -149,7 +149,8 @@ Filter =
       return post.file.name
     false
   dimensions: (post) ->
-    if post.file and post.file.isImage
+    {file} = post
+    if file and (file.isImage or file.isVideo)
       return post.file.dimensions
     false
   filesize: (post) ->
diff --git a/src/General/Build.coffee b/src/General/Build.coffee
index be0a55576..af75f9dfb 100755
--- a/src/General/Build.coffee
+++ b/src/General/Build.coffee
@@ -7,8 +7,9 @@ Build =
     # OPs have a +10 characters threshold.
     # The file extension is not taken into account.
     threshold = if isReply then 30 else 40
-    if filename.length - 4 > threshold
-      "#{filename[...threshold - 5]}(...).#{filename[-3..]}"
+    ext = filename.match(/\.[^.]+$/)[0]
+    if filename.length - ext.length > threshold
+      "#{filename[...threshold - 5]}(...)#{ext}"
     else
       filename
   thumbRotate: do ->
diff --git a/src/General/Settings.coffee b/src/General/Settings.coffee
index 951618384..291cfc1c3 100755
--- a/src/General/Settings.coffee
+++ b/src/General/Settings.coffee
@@ -388,6 +388,7 @@ Settings =
         sizeInBytes: 276 * 1024
         dimensions: '1280x720'
         isImage: true
+        isVideo: false
         isSpoiler: true
     funk = FileInfo.createFunc @value
     @nextElementSibling.innerHTML = funk FileInfo, data
diff --git a/src/General/lib/post.class b/src/General/lib/post.class
index fbfacca86..3fac4c96e 100755
--- a/src/General/lib/post.class
+++ b/src/General/lib/post.class
@@ -116,7 +116,7 @@ class Post
 
   parseFile: (that) ->
     return unless (fileEl = $ '.file', @nodes.post) and thumb = $ 'img[data-md5]', fileEl
-    # Supports JPG/PNG/GIF/PDF.
+    # Supports JPG/PNG/GIF/WEBM/PDF.
     # Flash files are not supported.
     anchor   = thumb.parentNode
     fileText = fileEl.firstElementChild
diff --git a/src/Images/AutoGIF.coffee b/src/Images/AutoGIF.coffee
index c47a388bb..70acc351c 100644
--- a/src/Images/AutoGIF.coffee
+++ b/src/Images/AutoGIF.coffee
@@ -32,4 +32,3 @@ AutoGIF =
       else
         thumb.src = URL
     gif.src = URL
-
diff --git a/src/Images/ImageExpand.coffee b/src/Images/ImageExpand.coffee
index 1668cbeac..b2d6141e8 100755
--- a/src/Images/ImageExpand.coffee
+++ b/src/Images/ImageExpand.coffee
@@ -46,7 +46,7 @@ ImageExpand =
         for post in [post].concat post.clones
           {file} = post
           return unless file and (file.isImage or file.isVideo) and doc.contains post.nodes.root
-          if ImageExpand.on and
+          if ImageExpand.on and !post.isHidden and
             (!Conf['Expand spoilers'] and file.isSpoiler or
             Conf['Expand from here'] and Header.getTopOf(file.thumb) < 0)
               return
diff --git a/src/Miscellaneous/FileInfo.coffee b/src/Miscellaneous/FileInfo.coffee
index ee324e59e..c94bb41bd 100755
--- a/src/Miscellaneous/FileInfo.coffee
+++ b/src/Miscellaneous/FileInfo.coffee
@@ -47,4 +47,4 @@ FileInfo =
     B: -> FileInfo.convertUnit @file.sizeInBytes, 'B'
     K: -> FileInfo.convertUnit @file.sizeInBytes, 'KB'
     M: -> FileInfo.convertUnit @file.sizeInBytes, 'MB'
-    r: -> if @file.isImage or @file.isVideo then @file.dimensions else 'PDF'
+    r: -> @file.dimensions or 'PDF'
diff --git a/src/Posting/QR.coffee b/src/Posting/QR.coffee
index 1300df978..a4ea8ca58 100644
--- a/src/Posting/QR.coffee
+++ b/src/Posting/QR.coffee
@@ -1,7 +1,4 @@
 QR =
-  # Add empty mimeType to avoid errors with URLs selected in Window's file dialog.
-  mimeTypes: ['image/jpeg', 'image/png', 'image/gif', 'application/pdf', 'application/x-shockwave-flash', 'video/webm', '']
-
   init: ->
     return if !Conf['Quick Reply']
 
@@ -147,6 +144,7 @@ QR =
     if QR.captcha.isEnabled and /captcha|verification/i.test el.textContent
       # Focus the captcha input on captcha error.
       QR.captcha.nodes.input.focus()
+      QR.captcha.setup()
       if Conf['Captcha Warning Notifications'] and !d.hidden
         QR.notify el
       else
@@ -390,22 +388,14 @@ QR =
     if file.size > max
       QR.error "#{file.name}: File too large (file: #{$.bytesToString file.size}, max: #{$.bytesToString max})."
       return
-    else unless file.type in QR.mimeTypes
-      unless /^text/.test file.type
-        QR.error "#{file.name}: Unsupported file type."
-        return
-      if isSingle
-        post = QR.selected
-      else if (post = QR.posts[QR.posts.length - 1]).com
-        post = new QR.post()
-      post.pasteText file
-      return
     if isSingle
       post = QR.selected
     else if (post = QR.posts[QR.posts.length - 1]).file
       post = new QR.post()
-    post.setFile file
-
+    if /^text/.test file.type
+      post.pasteText file
+    else
+      post.setFile file
   openFileInput: (e) ->
     e.stopPropagation()
     if e.shiftKey and e.type is 'click'
diff --git a/src/Posting/QR.post.coffee b/src/Posting/QR.post.coffee
index 6e6daa84a..0e2d2d320 100644
--- a/src/Posting/QR.post.coffee
+++ b/src/Posting/QR.post.coffee
@@ -80,6 +80,8 @@ QR.post = class
       $.rmClass QR.nodes.el, 'dump'
     else if @ is QR.selected
       (QR.posts[index-1] or QR.posts[index+1]).select()
+      if QR.captcha.isEnabled
+        QR.captcha.setup()
     QR.posts.splice index, 1
     QR.status()
   delete: ->