diff --git a/CHANGELOG.md b/CHANGELOG.md
index c0b5b4d5f..559ecfaf5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,9 @@
 
 ## v1.12.0
 
+**v1.12.0.9** *(2016-07-07)* - [[Userscript](https://raw.githubusercontent.com/ccd0/4chan-x/1.12.0.9/builds/4chan-X-noupdate.user.js)] [[Chrome extension](https://raw.githubusercontent.com/ccd0/4chan-x/1.12.0.9/builds/4chan-X-noupdate.crx)]
+- Partially revert removal of workarounds for old Chromium versions.
+
 **v1.12.0.8** *(2016-07-07)* - [[Userscript](https://raw.githubusercontent.com/ccd0/4chan-x/1.12.0.8/builds/4chan-X-noupdate.user.js)] [[Chrome extension](https://raw.githubusercontent.com/ccd0/4chan-x/1.12.0.8/builds/4chan-X-noupdate.crx)]
 - Restore `Restart when Opened` option.
 
diff --git a/builds/4chan-X-beta.crx b/builds/4chan-X-beta.crx
index 3a01d63c5..60ae2c731 100644
Binary files a/builds/4chan-X-beta.crx and b/builds/4chan-X-beta.crx differ
diff --git a/builds/4chan-X-beta.meta.js b/builds/4chan-X-beta.meta.js
index 149b30c9d..326c66fcd 100644
--- a/builds/4chan-X-beta.meta.js
+++ b/builds/4chan-X-beta.meta.js
@@ -1,6 +1,6 @@
 // ==UserScript==
 // @name         4chan X beta
-// @version      1.12.0.8
+// @version      1.12.0.9
 // @minGMVer     1.14
 // @minFFVer     26
 // @namespace    4chan-X
diff --git a/builds/4chan-X-beta.user.js b/builds/4chan-X-beta.user.js
index 99b43acfa..301bb9351 100644
--- a/builds/4chan-X-beta.user.js
+++ b/builds/4chan-X-beta.user.js
@@ -1,6 +1,6 @@
 // ==UserScript==
 // @name         4chan X beta
-// @version      1.12.0.8
+// @version      1.12.0.9
 // @minGMVer     1.14
 // @minFFVer     26
 // @namespace    4chan-X
@@ -121,7 +121,7 @@
 
 'use strict';
 
-var $, $$, Anonymize, AntiAutoplay, ArchiveLink, Banner, Board, Build, CSS, Callbacks, Captcha, CatalogLinks, CatalogThread, Config, Connection, CrossOrigin, CustomCSS, DataBoard, DeleteLink, DownloadLink, Embedding, ExpandComment, ExpandThread, FappeTyme, Favicon, Fetcher, FileInfo, Filter, Flash, Fourchan, Gallery, Get, Header, IDColor, IDHighlight, IDPostCount, ImageCommon, ImageExpand, ImageHover, ImageLoader, Index, Keybinds, Linkify, Main, MarkNewIPs, Menu, Metadata, Nav, NormalizeURL, Notice, PSAHiding, PassLink, Polyfill, Post, PostHiding, PostSuccessful, QR, QuoteBacklink, QuoteCT, QuoteInline, QuoteOP, QuotePreview, QuoteStrikeThrough, QuoteThreading, QuoteYou, Quotify, RandomAccessList, Recursive, Redirect, RelativeDates, RemoveSpoilers, ReplyPruning, Report, ReportLink, RevealSpoilers, Sauce, Settings, SimpleDict, Thread, ThreadHiding, ThreadLinks, ThreadStats, ThreadUpdater, ThreadWatcher, Time, UI, Unread, Volume;
+var $, $$, Anonymize, AntiAutoplay, ArchiveLink, Banner, Board, Build, CSS, Callbacks, Captcha, CatalogLinks, CatalogThread, Config, Connection, CrossOrigin, CustomCSS, DataBoard, DeleteLink, DownloadLink, Embedding, ExpandComment, ExpandThread, FappeTyme, Favicon, Fetcher, FileInfo, Filter, Flash, Fourchan, Gallery, Get, Header, IDColor, IDHighlight, IDPostCount, ImageCommon, ImageExpand, ImageHover, ImageLoader, Index, Keybinds, Linkify, Main, MarkNewIPs, Menu, Metadata, Nav, NormalizeURL, Notice, PSAHiding, PassLink, Polyfill, Post, PostHiding, PostSuccessful, QR, QuoteBacklink, QuoteCT, QuoteInline, QuoteOP, QuotePreview, QuoteStrikeThrough, QuoteThreading, QuoteYou, Quotify, RandomAccessList, Recursive, Redirect, RelativeDates, RemoveSpoilers, ReplyPruning, Report, ReportLink, RevealSpoilers, Sauce, Settings, ShimSet, SimpleDict, Thread, ThreadHiding, ThreadLinks, ThreadStats, ThreadUpdater, ThreadWatcher, Time, UI, Unread, Volume;
 
 var Conf, E, c, d, doc, docSet, g;
 
@@ -136,7 +136,7 @@ docSet = function() {
 };
 
 g = {
-  VERSION:   '1.12.0.8',
+  VERSION:   '1.12.0.9',
   NAMESPACE: '4chan X.',
   boards:    {}
 };
@@ -6040,6 +6040,47 @@ RandomAccessList = (function() {
 
 }).call(this);
 
+ShimSet = (function() {
+  var ShimSet;
+
+  ShimSet = (function() {
+    function ShimSet() {
+      this.elements = {};
+      this.size = 0;
+    }
+
+    ShimSet.prototype.has = function(value) {
+      return value in this.elements;
+    };
+
+    ShimSet.prototype.add = function(value) {
+      if (this.elements[value]) {
+        return;
+      }
+      this.elements[value] = true;
+      return this.size++;
+    };
+
+    ShimSet.prototype["delete"] = function(value) {
+      if (!this.elements[value]) {
+        return;
+      }
+      delete this.elements[value];
+      return this.size--;
+    };
+
+    return ShimSet;
+
+  })();
+
+  if (!('Set' in window)) {
+    window.Set = ShimSet;
+  }
+
+  return ShimSet;
+
+}).call(this);
+
 SimpleDict = (function() {
   var SimpleDict,
     slice = [].slice;
diff --git a/builds/4chan-X-noupdate.crx b/builds/4chan-X-noupdate.crx
index 883cf9497..9ac758be6 100644
Binary files a/builds/4chan-X-noupdate.crx and b/builds/4chan-X-noupdate.crx differ
diff --git a/builds/4chan-X-noupdate.user.js b/builds/4chan-X-noupdate.user.js
index bd7a89d2e..87cbfec76 100644
--- a/builds/4chan-X-noupdate.user.js
+++ b/builds/4chan-X-noupdate.user.js
@@ -1,6 +1,6 @@
 // ==UserScript==
 // @name         4chan X
-// @version      1.12.0.8
+// @version      1.12.0.9
 // @minGMVer     1.14
 // @minFFVer     26
 // @namespace    4chan-X
@@ -121,7 +121,7 @@
 
 'use strict';
 
-var $, $$, Anonymize, AntiAutoplay, ArchiveLink, Banner, Board, Build, CSS, Callbacks, Captcha, CatalogLinks, CatalogThread, Config, Connection, CrossOrigin, CustomCSS, DataBoard, DeleteLink, DownloadLink, Embedding, ExpandComment, ExpandThread, FappeTyme, Favicon, Fetcher, FileInfo, Filter, Flash, Fourchan, Gallery, Get, Header, IDColor, IDHighlight, IDPostCount, ImageCommon, ImageExpand, ImageHover, ImageLoader, Index, Keybinds, Linkify, Main, MarkNewIPs, Menu, Metadata, Nav, NormalizeURL, Notice, PSAHiding, PassLink, Polyfill, Post, PostHiding, PostSuccessful, QR, QuoteBacklink, QuoteCT, QuoteInline, QuoteOP, QuotePreview, QuoteStrikeThrough, QuoteThreading, QuoteYou, Quotify, RandomAccessList, Recursive, Redirect, RelativeDates, RemoveSpoilers, ReplyPruning, Report, ReportLink, RevealSpoilers, Sauce, Settings, SimpleDict, Thread, ThreadHiding, ThreadLinks, ThreadStats, ThreadUpdater, ThreadWatcher, Time, UI, Unread, Volume;
+var $, $$, Anonymize, AntiAutoplay, ArchiveLink, Banner, Board, Build, CSS, Callbacks, Captcha, CatalogLinks, CatalogThread, Config, Connection, CrossOrigin, CustomCSS, DataBoard, DeleteLink, DownloadLink, Embedding, ExpandComment, ExpandThread, FappeTyme, Favicon, Fetcher, FileInfo, Filter, Flash, Fourchan, Gallery, Get, Header, IDColor, IDHighlight, IDPostCount, ImageCommon, ImageExpand, ImageHover, ImageLoader, Index, Keybinds, Linkify, Main, MarkNewIPs, Menu, Metadata, Nav, NormalizeURL, Notice, PSAHiding, PassLink, Polyfill, Post, PostHiding, PostSuccessful, QR, QuoteBacklink, QuoteCT, QuoteInline, QuoteOP, QuotePreview, QuoteStrikeThrough, QuoteThreading, QuoteYou, Quotify, RandomAccessList, Recursive, Redirect, RelativeDates, RemoveSpoilers, ReplyPruning, Report, ReportLink, RevealSpoilers, Sauce, Settings, ShimSet, SimpleDict, Thread, ThreadHiding, ThreadLinks, ThreadStats, ThreadUpdater, ThreadWatcher, Time, UI, Unread, Volume;
 
 var Conf, E, c, d, doc, docSet, g;
 
@@ -136,7 +136,7 @@ docSet = function() {
 };
 
 g = {
-  VERSION:   '1.12.0.8',
+  VERSION:   '1.12.0.9',
   NAMESPACE: '4chan X.',
   boards:    {}
 };
@@ -6040,6 +6040,47 @@ RandomAccessList = (function() {
 
 }).call(this);
 
+ShimSet = (function() {
+  var ShimSet;
+
+  ShimSet = (function() {
+    function ShimSet() {
+      this.elements = {};
+      this.size = 0;
+    }
+
+    ShimSet.prototype.has = function(value) {
+      return value in this.elements;
+    };
+
+    ShimSet.prototype.add = function(value) {
+      if (this.elements[value]) {
+        return;
+      }
+      this.elements[value] = true;
+      return this.size++;
+    };
+
+    ShimSet.prototype["delete"] = function(value) {
+      if (!this.elements[value]) {
+        return;
+      }
+      delete this.elements[value];
+      return this.size--;
+    };
+
+    return ShimSet;
+
+  })();
+
+  if (!('Set' in window)) {
+    window.Set = ShimSet;
+  }
+
+  return ShimSet;
+
+}).call(this);
+
 SimpleDict = (function() {
   var SimpleDict,
     slice = [].slice;
diff --git a/builds/4chan-X.crx b/builds/4chan-X.crx
index 9be75a536..dfd465fae 100644
Binary files a/builds/4chan-X.crx and b/builds/4chan-X.crx differ
diff --git a/builds/4chan-X.meta.js b/builds/4chan-X.meta.js
index bb0cb3590..a4f80fbc9 100644
--- a/builds/4chan-X.meta.js
+++ b/builds/4chan-X.meta.js
@@ -1,6 +1,6 @@
 // ==UserScript==
 // @name         4chan X
-// @version      1.12.0.8
+// @version      1.12.0.9
 // @minGMVer     1.14
 // @minFFVer     26
 // @namespace    4chan-X
diff --git a/builds/4chan-X.user.js b/builds/4chan-X.user.js
index cdac6c0a6..4bbd71310 100644
--- a/builds/4chan-X.user.js
+++ b/builds/4chan-X.user.js
@@ -1,6 +1,6 @@
 // ==UserScript==
 // @name         4chan X
-// @version      1.12.0.8
+// @version      1.12.0.9
 // @minGMVer     1.14
 // @minFFVer     26
 // @namespace    4chan-X
@@ -121,7 +121,7 @@
 
 'use strict';
 
-var $, $$, Anonymize, AntiAutoplay, ArchiveLink, Banner, Board, Build, CSS, Callbacks, Captcha, CatalogLinks, CatalogThread, Config, Connection, CrossOrigin, CustomCSS, DataBoard, DeleteLink, DownloadLink, Embedding, ExpandComment, ExpandThread, FappeTyme, Favicon, Fetcher, FileInfo, Filter, Flash, Fourchan, Gallery, Get, Header, IDColor, IDHighlight, IDPostCount, ImageCommon, ImageExpand, ImageHover, ImageLoader, Index, Keybinds, Linkify, Main, MarkNewIPs, Menu, Metadata, Nav, NormalizeURL, Notice, PSAHiding, PassLink, Polyfill, Post, PostHiding, PostSuccessful, QR, QuoteBacklink, QuoteCT, QuoteInline, QuoteOP, QuotePreview, QuoteStrikeThrough, QuoteThreading, QuoteYou, Quotify, RandomAccessList, Recursive, Redirect, RelativeDates, RemoveSpoilers, ReplyPruning, Report, ReportLink, RevealSpoilers, Sauce, Settings, SimpleDict, Thread, ThreadHiding, ThreadLinks, ThreadStats, ThreadUpdater, ThreadWatcher, Time, UI, Unread, Volume;
+var $, $$, Anonymize, AntiAutoplay, ArchiveLink, Banner, Board, Build, CSS, Callbacks, Captcha, CatalogLinks, CatalogThread, Config, Connection, CrossOrigin, CustomCSS, DataBoard, DeleteLink, DownloadLink, Embedding, ExpandComment, ExpandThread, FappeTyme, Favicon, Fetcher, FileInfo, Filter, Flash, Fourchan, Gallery, Get, Header, IDColor, IDHighlight, IDPostCount, ImageCommon, ImageExpand, ImageHover, ImageLoader, Index, Keybinds, Linkify, Main, MarkNewIPs, Menu, Metadata, Nav, NormalizeURL, Notice, PSAHiding, PassLink, Polyfill, Post, PostHiding, PostSuccessful, QR, QuoteBacklink, QuoteCT, QuoteInline, QuoteOP, QuotePreview, QuoteStrikeThrough, QuoteThreading, QuoteYou, Quotify, RandomAccessList, Recursive, Redirect, RelativeDates, RemoveSpoilers, ReplyPruning, Report, ReportLink, RevealSpoilers, Sauce, Settings, ShimSet, SimpleDict, Thread, ThreadHiding, ThreadLinks, ThreadStats, ThreadUpdater, ThreadWatcher, Time, UI, Unread, Volume;
 
 var Conf, E, c, d, doc, docSet, g;
 
@@ -136,7 +136,7 @@ docSet = function() {
 };
 
 g = {
-  VERSION:   '1.12.0.8',
+  VERSION:   '1.12.0.9',
   NAMESPACE: '4chan X.',
   boards:    {}
 };
@@ -6040,6 +6040,47 @@ RandomAccessList = (function() {
 
 }).call(this);
 
+ShimSet = (function() {
+  var ShimSet;
+
+  ShimSet = (function() {
+    function ShimSet() {
+      this.elements = {};
+      this.size = 0;
+    }
+
+    ShimSet.prototype.has = function(value) {
+      return value in this.elements;
+    };
+
+    ShimSet.prototype.add = function(value) {
+      if (this.elements[value]) {
+        return;
+      }
+      this.elements[value] = true;
+      return this.size++;
+    };
+
+    ShimSet.prototype["delete"] = function(value) {
+      if (!this.elements[value]) {
+        return;
+      }
+      delete this.elements[value];
+      return this.size--;
+    };
+
+    return ShimSet;
+
+  })();
+
+  if (!('Set' in window)) {
+    window.Set = ShimSet;
+  }
+
+  return ShimSet;
+
+}).call(this);
+
 SimpleDict = (function() {
   var SimpleDict,
     slice = [].slice;
diff --git a/builds/4chan-X.zip b/builds/4chan-X.zip
index c4dd7907f..a730aa7fa 100644
Binary files a/builds/4chan-X.zip and b/builds/4chan-X.zip differ
diff --git a/builds/updates-beta.xml b/builds/updates-beta.xml
index db3983302..887c7e66c 100644
--- a/builds/updates-beta.xml
+++ b/builds/updates-beta.xml
@@ -1,7 +1,7 @@
 <?xml version='1.0' encoding='UTF-8'?>
 <gupdate xmlns='http://www.google.com/update2/response' protocol='2.0'>
   <app appid='lacclbnghgdicfifcamcmcnilckjamag'>
-    <updatecheck codebase='https://www.4chan-x.net/builds/4chan-X-beta.crx' version='1.12.0.8' />
+    <updatecheck codebase='https://www.4chan-x.net/builds/4chan-X-beta.crx' version='1.12.0.9' />
   </app>
 </gupdate>
 
diff --git a/builds/updates.xml b/builds/updates.xml
index 4955590a9..f8ebb255e 100644
--- a/builds/updates.xml
+++ b/builds/updates.xml
@@ -1,7 +1,7 @@
 <?xml version='1.0' encoding='UTF-8'?>
 <gupdate xmlns='http://www.google.com/update2/response' protocol='2.0'>
   <app appid='lacclbnghgdicfifcamcmcnilckjamag'>
-    <updatecheck codebase='https://www.4chan-x.net/builds/4chan-X.crx' version='1.12.0.8' />
+    <updatecheck codebase='https://www.4chan-x.net/builds/4chan-X.crx' version='1.12.0.9' />
   </app>
 </gupdate>
 
diff --git a/version.json b/version.json
index d5ab29849..c00c20c68 100644
--- a/version.json
+++ b/version.json
@@ -1,4 +1,4 @@
 {
-  "version": "1.12.0.8",
-  "date": "2016-07-07T00:27:21.985Z"
+  "version": "1.12.0.9",
+  "date": "2016-07-07T15:40:50.665Z"
 }
\ No newline at end of file