diff --git a/4chan_x.user.js b/4chan_x.user.js
index f1bcab6b6..40b92f50e 100644
--- a/4chan_x.user.js
+++ b/4chan_x.user.js
@@ -90,9 +90,8 @@
       },
       Filtering: {
         'Anonymize': [false, 'Make everybody anonymous'],
-        'Filter': [false, 'Self-moderation placebo'],
-        'Filter OPs': [false, 'Filter OPs along with their threads'],
-        'Recursive Filtering': [false, 'Filter replies of filtered posts, recursively'],
+        'Filter': [true, 'Self-moderation placebo'],
+        'Recursive Filtering': [true, 'Filter replies of filtered posts, recursively'],
         'Reply Hiding': [true, 'Hide single replies'],
         'Thread Hiding': [true, 'Hide entire threads'],
         'Show Stubs': [true, 'Of hidden threads / replies']
@@ -143,6 +142,7 @@
       subject: '',
       comment: '',
       filename: '',
+      dimensions: '',
       filesize: '',
       md5: ''
     },
@@ -533,86 +533,113 @@
   };
 
   filter = {
-    regexps: {},
-    callbacks: [],
+    filters: {},
     init: function() {
-      var f, filter, key, m, _i, _len;
+      var boards, filter, hl, key, op, regexp, _i, _len, _ref, _ref2, _ref3;
       for (key in config.filter) {
-        if (!(m = conf[key].match(/^\/.+\/\w*$/gm))) continue;
-        this.regexps[key] = [];
-        for (_i = 0, _len = m.length; _i < _len; _i++) {
-          filter = m[_i];
-          f = filter.match(/^\/(.+)\/(\w*)$/);
+        this.filters[key] = [];
+        _ref = conf[key].split('\n');
+        for (_i = 0, _len = _ref.length; _i < _len; _i++) {
+          filter = _ref[_i];
+          if (filter[0] === '#') continue;
+          if (!(regexp = filter.match(/\/(.+)\/(\w*)/))) continue;
+          filter = filter.replace(regexp[0], '');
+          boards = ((_ref2 = filter.match(/boards:([^;]+)/)) != null ? _ref2[1].toLowerCase() : void 0) || 'global';
+          if (boards !== 'global' && boards.split(',').indexOf(g.BOARD) === -1) {
+            continue;
+          }
           try {
-            this.regexps[key].push(RegExp(f[1], f[2]));
+            regexp = RegExp(regexp[1], regexp[2]);
           } catch (e) {
             alert(e.message);
+            continue;
           }
+          op = ((_ref3 = filter.match(/op:(yes|no|only)/)) != null ? _ref3[1].toLowerCase() : void 0) || 'no';
+          hl = /highlight/.test(filter);
+          this.filters[key].push(this.createFilter(regexp, op, hl));
         }
-        this.callbacks.push(this[key]);
+        if (!this.filters[key].length) delete this.filters[key];
       }
-      return g.callbacks.push(this.node);
+      if (Object.keys(this.filters).length) return g.callbacks.push(this.node);
+    },
+    createFilter: function(regexp, op, hl) {
+      return function(root, value, isOP) {
+        if (isOP && op === 'no' || !isOP && op === 'only') return false;
+        if (!regexp.test(value)) return false;
+        if (hl) {
+          $.addClass(root, 'filter_highlight');
+        } else if (isOP) {
+          threadHiding.hideHide(root.parentNode);
+        } else {
+          replyHiding.hideHide(root.previousSibling);
+        }
+        return true;
+      };
     },
     node: function(root) {
-      if (!root.className) {
-        if (filter.callbacks.some(function(callback) {
-          return callback(root);
-        })) {
-          return replyHiding.hideHide($('td:not([nowrap])', root));
-        }
-      } else if (root.className === 'op' && !g.REPLY && conf['Filter OPs']) {
-        if (filter.callbacks.some(function(callback) {
-          return callback(root);
-        })) {
-          return threadHiding.hideHide(root.parentNode);
-        }
+      var isOP, key, klass;
+      klass = root.className;
+      if (/\binlined\b/.test(klass)) return;
+      if (!(isOP = klass === 'op')) root = $('td[id]', root);
+      for (key in filter.filters) {
+        if (filter.test(root, key, isOP)) return;
       }
     },
-    test: function(key, value) {
-      return filter.regexps[key].some(function(regexp) {
-        return regexp.test(value);
-      });
+    test: function(root, key, isOP) {
+      var filter, value, _i, _len, _ref;
+      value = this[key](root, isOP);
+      if (value === false) return false;
+      _ref = this.filters[key];
+      for (_i = 0, _len = _ref.length; _i < _len; _i++) {
+        filter = _ref[_i];
+        if (filter(root, value, isOP)) return true;
+      }
+      return false;
     },
-    name: function(root) {
+    name: function(root, isOP) {
       var name;
-      name = root.className === 'op' ? $('.postername', root) : $('.commentpostername', root);
-      return filter.test('name', name.textContent);
+      name = isOP ? $('.postername', root) : $('.commentpostername', root);
+      return name.textContent;
     },
     tripcode: function(root) {
       var trip;
-      if (trip = $('.postertrip', root)) {
-        return filter.test('tripcode', trip.textContent);
-      }
+      if (trip = $('.postertrip', root)) return trip.textContent;
+      return false;
     },
     email: function(root) {
       var mail;
-      if (mail = $('.linkmail', root)) return filter.test('email', mail.href);
+      if (!(mail = $('.linkmail', root))) return mail.href;
+      return false;
     },
-    subject: function(root) {
+    subject: function(root, isOP) {
       var sub;
-      sub = root.className === 'op' ? $('.filetitle', root) : $('.replytitle', root);
-      return filter.test('subject', sub.textContent);
+      sub = isOP ? $('.filetitle', root) : $('.replytitle', root);
+      return sub.textContent;
     },
     comment: function(root) {
-      return filter.test('comment', ($.el('a', {
+      return ($.el('a', {
         innerHTML: $('blockquote', root).innerHTML.replace(/<br>/g, '\n')
-      })).textContent);
+      })).textContent;
     },
     filename: function(root) {
       var file;
-      if (file = $('.filesize span', root)) {
-        return filter.test('filename', file.title);
-      }
+      if (file = $('.filesize > span', root)) return file.title;
+      return false;
+    },
+    dimensions: function(root) {
+      var span;
+      if (span = $('.filesize', root)) return span.textContent.match(/\d+x\d+/)[0];
+      return false;
     },
     filesize: function(root) {
       var img;
-      if (img = $('img[md5]', root)) return filter.test('filesize', img.alt);
+      if (img = $('img[md5]', root)) return img.alt;
+      return false;
     },
     md5: function(root) {
       var img;
-      if (img = $('img[md5]', root)) {
-        return filter.test('md5', img.getAttribute('md5'));
-      }
+      if (img = $('img[md5]', root)) return img.getAttribute('md5');
+      return false;
     }
   };
 
@@ -1224,7 +1251,7 @@
         $.before(form, link);
       }
       g.callbacks.push(this.node);
-      if (engine === 'webkit') {
+      if (/chrome/i.test(navigator.userAgent)) {
         qr.status({
           ready: true
         });
@@ -1679,7 +1706,7 @@
         });
         ta.style.cssText = $.get('qr.size', '');
       }
-      mimeTypes = $('.rules').textContent.match(/: (.+) /)[1].toLowerCase().replace(/\w+/g, function(type) {
+      mimeTypes = $('.rules').firstChild.textContent.match(/: (.+) /)[1].toLowerCase().replace(/\w+/g, function(type) {
         switch (type) {
           case 'jpg':
             return 'image/jpeg';
@@ -1833,7 +1860,7 @@
         reader.readAsBinaryString(reply.file);
         return;
       }
-      if (engine === 'webkit') {
+      if (/chrome/i.test(navigator.userAgent)) {
         qr.message.post(post);
         return;
       }
@@ -1900,7 +1927,7 @@
     message: {
       send: function(data) {
         var host, window;
-        if (engine === 'webkit') {
+        if (/chrome/i.test(navigator.userAgent)) {
           qr.message.receive(data);
           return;
         }
@@ -2091,6 +2118,7 @@
     <p>Subject:<br><textarea name=subject></textarea></p>\
     <p>Comment:<br><textarea name=comment></textarea></p>\
     <p>Filename:<br><textarea name=filename></textarea></p>\
+    <p>Image dimensions:<br><textarea name=dimensions></textarea></p>\
     <p>Filesize:<br><textarea name=filesize></textarea></p>\
     <p>Image MD5:<br><textarea name=md5></textarea></p>\
   </div>\
@@ -4040,13 +4068,16 @@ img[md5], img[md5] + img {\
 .inlined {\
   opacity: .5;\
 }\
-.inline td.reply {\
+.inline .reply {\
   background-color: rgba(255, 255, 255, 0.15);\
   border: 1px solid rgba(128, 128, 128, 0.5);\
 }\
 .filetitle, .replytitle, .postername, .commentpostername, .postertrip {\
   background: none;\
 }\
+.filter_highlight {\
+  box-shadow: -5px 0 rgba(255,0,0,0.5);\
+}\
 .filtered {\
   text-decoration: line-through;\
 }\
diff --git a/changelog b/changelog
index 8007556dc..69ee25f61 100644
--- a/changelog
+++ b/changelog
@@ -1,6 +1,9 @@
 master
 - aeosynth / ahodesuka
   expand images from current position
+- Mayhem
+  Fix posting on Safari.
+  Fix rare case where the QR would not accept images.
 
 2.26.4
 - Mayhem
diff --git a/script.coffee b/script.coffee
index fab4742ab..d57db3ec4 100644
--- a/script.coffee
+++ b/script.coffee
@@ -13,9 +13,8 @@ config =
       'Check for Updates':            [true,  'Check for updated versions of 4chan X']
     Filtering:
       'Anonymize':                    [false, 'Make everybody anonymous']
-      'Filter':                       [false, 'Self-moderation placebo']
-      'Filter OPs':                   [false, 'Filter OPs along with their threads']
-      'Recursive Filtering':          [false, 'Filter replies of filtered posts, recursively']
+      'Filter':                       [true, 'Self-moderation placebo']
+      'Recursive Filtering':          [true, 'Filter replies of filtered posts, recursively']
       'Reply Hiding':                 [true,  'Hide single replies']
       'Thread Hiding':                [true,  'Hide entire threads']
       'Show Stubs':                   [true,  'Of hidden threads / replies']
@@ -54,14 +53,15 @@ config =
       'Indicate Cross-thread Quotes': [true,  'Add \'(Cross-thread)\' to cross-threads quotes']
       'Forward Hiding':               [true,  'Hide original posts of inlined backlinks']
   filter:
-    name:     ''
-    tripcode: ''
-    email:    ''
-    subject:  ''
-    comment:  ''
-    filename: ''
-    filesize: ''
-    md5:      ''
+    name:       ''
+    tripcode:   ''
+    email:      ''
+    subject:    ''
+    comment:    ''
+    filename:   ''
+    dimensions: ''
+    filesize:   ''
+    md5:        ''
   sauces: [
     'http://iqdb.org/?url=$1'
     'http://www.google.com/searchbyimage?image_url=$1'
@@ -409,58 +409,117 @@ $$ = (selector, root=d.body) ->
   Array::slice.call root.querySelectorAll selector
 
 filter =
-  regexps: {}
-  callbacks: []
+  filters: {}
   init: ->
     for key of config.filter
-      unless m = conf[key].match /^\/.+\/\w*$/gm
-        continue
-      @regexps[key] = []
-      for filter in m
-        f = filter.match /^\/(.+)\/(\w*)$/
-        try
-          @regexps[key].push RegExp f[1], f[2]
-        catch e
-          alert e.message
-      #only execute what's filterable
-      @callbacks.push @[key]
+      @filters[key] = []
+      for filter in conf[key].split('\n')
+        continue if filter[0] is '#'
 
-    g.callbacks.push @node
+        unless regexp = filter.match /\/(.+)\/(\w*)/
+          continue
+
+        # Don't mix up filter flags with the regular expression.
+        filter = filter.replace regexp[0], ''
+
+        # Do not add this filter to the list if it's not a global one
+        # and it's not specifically applicable to the current board.
+        # Defaults to global.
+        boards = filter.match(/boards:([^;]+)/)?[1].toLowerCase() or 'global'
+        if boards isnt 'global' and boards.split(',').indexOf(g.BOARD) is -1
+          continue
+
+        try
+          # Please, don't write silly regular expressions.
+          regexp = RegExp regexp[1], regexp[2]
+        catch e
+          # I warned you, bro.
+          alert e.message
+          continue
+
+        # Filter OPs along with their threads, replies only, or both.
+        # Defaults to replies only.
+        op = filter.match(/op:(yes|no|only)/)?[1].toLowerCase() or 'no'
+
+        # Highlight the post, or hide it.
+        # Defaults to post hiding.
+        hl = /highlight/.test filter
+
+        @filters[key].push @createFilter regexp, op, hl
+
+      # Only execute filter types that contain valid filters.
+      unless @filters[key].length
+        delete @filters[key]
+
+    if Object.keys(@filters).length
+      g.callbacks.push @node
+
+  createFilter: (regexp, op, hl) ->
+    (root, value, isOP) ->
+      if isOP and op is 'no' or !isOP and op is 'only'
+        return false
+      unless regexp.test value
+        return false
+      if hl
+        $.addClass root, 'filter_highlight'
+      else if isOP
+        threadHiding.hideHide root.parentNode
+      else
+        replyHiding.hideHide  root.previousSibling
+      true
 
   node: (root) ->
-    unless root.className
-      if filter.callbacks.some((callback) -> callback root)
-        replyHiding.hideHide $ 'td:not([nowrap])', root
-    else if root.className is 'op' and not g.REPLY and conf['Filter OPs']
-      if filter.callbacks.some((callback) -> callback root)
-        threadHiding.hideHide root.parentNode
+    klass = root.className
+    return if /\binlined\b/.test klass
+    unless isOP = klass is 'op'
+      root = $ 'td[id]', root
+    for key of filter.filters
+      if filter.test root, key, isOP
+        return
 
-  test: (key, value) ->
-    filter.regexps[key].some (regexp) -> regexp.test value
+  test: (root, key, isOP) ->
+    value = @[key] root, isOP
+    if value is false
+      # Return if there's nothing to filter (no tripcode for example).
+      return false
 
-  name: (root) ->
-    name = if root.className is 'op' then $ '.postername', root else $ '.commentpostername', root
-    filter.test 'name', name.textContent
+    for filter in @filters[key]
+      if filter root, value, isOP
+        return true
+    false
+
+  name: (root, isOP) ->
+    name = if isOP then $ '.postername', root else $ '.commentpostername', root
+    name.textContent
   tripcode: (root) ->
     if trip = $ '.postertrip', root
-      filter.test 'tripcode', trip.textContent
+      return trip.textContent
+    false
   email: (root) ->
-    if mail = $ '.linkmail', root
-      filter.test 'email', mail.href
-  subject: (root) ->
-    sub = if root.className is 'op' then $ '.filetitle', root else $ '.replytitle', root
-    filter.test 'subject', sub.textContent
+    unless mail = $ '.linkmail', root
+      return mail.href
+    false
+  subject: (root, isOP) ->
+    sub = if isOP then $ '.filetitle', root else $ '.replytitle', root
+    sub.textContent
   comment: (root) ->
-    filter.test 'comment', ($.el 'a', innerHTML: $('blockquote', root).innerHTML.replace /<br>/g, '\n').textContent
+    ($.el 'a', innerHTML: $('blockquote', root).innerHTML.replace /<br>/g, '\n').textContent
   filename: (root) ->
-    if file = $ '.filesize span', root
-      filter.test 'filename', file.title
+    if file = $ '.filesize > span', root
+      return file.title
+    false
+  dimensions: (root) ->
+    if span = $ '.filesize', root
+      return span.textContent.match(/\d+x\d+/)[0]
+    return false
   filesize: (root) ->
     if img = $ 'img[md5]', root
-      filter.test 'filesize', img.alt
+      return img.alt
+    false
   md5: (root) ->
     if img = $ 'img[md5]', root
-      filter.test 'md5', img.getAttribute('md5')
+      return img.getAttribute 'md5'
+    false
 
 strikethroughQuotes =
   init: ->
@@ -901,7 +960,8 @@ qr =
       $.before form, link
     g.callbacks.push @node
 
-    if engine is 'webkit'
+    # CORS is ignored for content script on Chrome, but not Safari/Oprah/Firefox.
+    if /chrome/i.test navigator.userAgent
       qr.status ready: true
     else
       iframe = $.el 'iframe',
@@ -1266,7 +1326,7 @@ qr =
       ta.style.cssText = $.get 'qr.size', ''
 
     # Allow only this board's supported files.
-    mimeTypes = $('.rules').textContent.match(/: (.+) /)[1].toLowerCase().replace /\w+/g, (type) ->
+    mimeTypes = $('.rules').firstChild.textContent.match(/: (.+) /)[1].toLowerCase().replace /\w+/g, (type) ->
       switch type
         when 'jpg'
           'image/jpeg'
@@ -1406,7 +1466,8 @@ qr =
       reader.readAsBinaryString reply.file
       return
 
-    if engine is 'webkit'
+    # CORS is ignored for content script on Chrome, but not Safari/Oprah/Firefox.
+    if /chrome/i.test navigator.userAgent
       qr.message.post post
       return
     qr.message.send post
@@ -1468,7 +1529,8 @@ qr =
 
   message:
     send: (data) ->
-      if engine is 'webkit'
+      # CORS is ignored for content script on Chrome, but not Safari/Oprah/Firefox.
+      if /chrome/i.test navigator.userAgent
         qr.message.receive data
         return
       data.qr = true
@@ -1627,6 +1689,7 @@ options =
     <p>Subject:<br><textarea name=subject></textarea></p>
     <p>Comment:<br><textarea name=comment></textarea></p>
     <p>Filename:<br><textarea name=filename></textarea></p>
+    <p>Image dimensions:<br><textarea name=dimensions></textarea></p>
     <p>Filesize:<br><textarea name=filesize></textarea></p>
     <p>Image MD5:<br><textarea name=md5></textarea></p>
   </div>
@@ -3310,13 +3373,16 @@ img[md5], img[md5] + img {
 .inlined {
   opacity: .5;
 }
-.inline td.reply {
+.inline .reply {
   background-color: rgba(255, 255, 255, 0.15);
   border: 1px solid rgba(128, 128, 128, 0.5);
 }
 .filetitle, .replytitle, .postername, .commentpostername, .postertrip {
   background: none;
 }
+.filter_highlight {
+  box-shadow: -5px 0 rgba(255,0,0,0.5);
+}
 .filtered {
   text-decoration: line-through;
 }