diff --git a/CHANGELOG.md b/CHANGELOG.md
index 93d14afcc..f270b8ff3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,9 @@
 
 ### v1.14.21
 
+**v1.14.21.3** *(2021-05-07)* - [[Userscript](https://raw.githubusercontent.com/ccd0/4chan-x/1.14.21.3/builds/4chan-X-noupdate.user.js)] [[Chrome extension](https://raw.githubusercontent.com/ccd0/4chan-x/1.14.21.3/builds/4chan-X-noupdate.crx)]
+- Fix race condition causing unread posts tracking to malfunction.
+
 **v1.14.21.2** *(2021-05-07)* - [[Userscript](https://raw.githubusercontent.com/ccd0/4chan-x/1.14.21.2/builds/4chan-X-noupdate.user.js)] [[Chrome extension](https://raw.githubusercontent.com/ccd0/4chan-x/1.14.21.2/builds/4chan-X-noupdate.crx)]
 - Fix bug introduced in v1.14.21.1 causing error message when menu opened.
 
diff --git a/builds/4chan-X-beta.crx b/builds/4chan-X-beta.crx
index a6b039fa3..31ac6ddf6 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 0a8df5ff6..06d6236da 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      1.14.21.2
+// @version      1.14.21.3
 // @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 0c944a551..11f69fa49 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      1.14.21.2
+// @version      1.14.21.3
 // @minGMVer     1.14
 // @minFFVer     26
 // @namespace    4chan-X
@@ -218,7 +218,7 @@ docSet = function() {
 };
 
 g = {
-  VERSION:   '1.14.21.2',
+  VERSION:   '1.14.21.3',
   NAMESPACE: '4chan X.',
   sites:     Object.create(null),
   boards:    Object.create(null)
@@ -20695,13 +20695,23 @@ Favicon = (function() {
         return d.head && (Favicon.el = $('link[rel="shortcut icon"]', d.head));
       }), Favicon.initAsap);
     },
+    set: function(status) {
+      Favicon.status = status;
+      if (Favicon.el) {
+        Favicon.el.href = Favicon[status];
+        return $.add(d.head, Favicon.el);
+      }
+    },
     initAsap: function() {
       var href;
       Favicon.el.type = 'image/x-icon';
       href = Favicon.el.href;
       Favicon.isSFW = /ws\.ico$/.test(href);
       Favicon["default"] = href;
-      return Favicon["switch"]();
+      Favicon["switch"]();
+      if (Favicon.status) {
+        return Favicon.set(Favicon.status);
+      }
     },
     "switch": function() {
       var f, i, items, t;
@@ -22995,8 +23005,7 @@ Unread = (function() {
       Unread.saveThreadWatcherCount();
       if (Conf['Unread Favicon'] && g.SITE.software === 'yotsuba') {
         isDead = Unread.thread.isDead;
-        Favicon.el.href = countQuotingYou ? Favicon[isDead ? 'unreadDeadY' : 'unreadY'] : count ? Favicon[isDead ? 'unreadDead' : 'unread'] : Favicon[isDead ? 'dead' : 'default'];
-        return $.add(d.head, Favicon.el);
+        return Favicon.set((countQuotingYou ? (isDead ? 'unreadDeadY' : 'unreadY') : count ? (isDead ? 'unreadDead' : 'unread') : (isDead ? 'dead' : 'default')));
       }
     },
     saveThreadWatcherCount: $.debounce(2 * $.SECOND, function() {
diff --git a/builds/4chan-X-noupdate.crx b/builds/4chan-X-noupdate.crx
index 419a7cbbc..b639cca4e 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 ef29714c4..4258ca1ab 100644
--- a/builds/4chan-X-noupdate.user.js
+++ b/builds/4chan-X-noupdate.user.js
@@ -1,6 +1,6 @@
 // ==UserScript==
 // @name         4chan X
-// @version      1.14.21.2
+// @version      1.14.21.3
 // @minGMVer     1.14
 // @minFFVer     26
 // @namespace    4chan-X
@@ -218,7 +218,7 @@ docSet = function() {
 };
 
 g = {
-  VERSION:   '1.14.21.2',
+  VERSION:   '1.14.21.3',
   NAMESPACE: '4chan X.',
   sites:     Object.create(null),
   boards:    Object.create(null)
@@ -20695,13 +20695,23 @@ Favicon = (function() {
         return d.head && (Favicon.el = $('link[rel="shortcut icon"]', d.head));
       }), Favicon.initAsap);
     },
+    set: function(status) {
+      Favicon.status = status;
+      if (Favicon.el) {
+        Favicon.el.href = Favicon[status];
+        return $.add(d.head, Favicon.el);
+      }
+    },
     initAsap: function() {
       var href;
       Favicon.el.type = 'image/x-icon';
       href = Favicon.el.href;
       Favicon.isSFW = /ws\.ico$/.test(href);
       Favicon["default"] = href;
-      return Favicon["switch"]();
+      Favicon["switch"]();
+      if (Favicon.status) {
+        return Favicon.set(Favicon.status);
+      }
     },
     "switch": function() {
       var f, i, items, t;
@@ -22995,8 +23005,7 @@ Unread = (function() {
       Unread.saveThreadWatcherCount();
       if (Conf['Unread Favicon'] && g.SITE.software === 'yotsuba') {
         isDead = Unread.thread.isDead;
-        Favicon.el.href = countQuotingYou ? Favicon[isDead ? 'unreadDeadY' : 'unreadY'] : count ? Favicon[isDead ? 'unreadDead' : 'unread'] : Favicon[isDead ? 'dead' : 'default'];
-        return $.add(d.head, Favicon.el);
+        return Favicon.set((countQuotingYou ? (isDead ? 'unreadDeadY' : 'unreadY') : count ? (isDead ? 'unreadDead' : 'unread') : (isDead ? 'dead' : 'default')));
       }
     },
     saveThreadWatcherCount: $.debounce(2 * $.SECOND, function() {
diff --git a/builds/4chan-X.crx b/builds/4chan-X.crx
index 9132ec6fc..30c57bd0a 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 6dc44123e..71ec614d4 100644
--- a/builds/4chan-X.meta.js
+++ b/builds/4chan-X.meta.js
@@ -1,6 +1,6 @@
 // ==UserScript==
 // @name         4chan X
-// @version      1.14.21.2
+// @version      1.14.21.3
 // @minGMVer     1.14
 // @minFFVer     26
 // @namespace    4chan-X
diff --git a/builds/4chan-X.user.js b/builds/4chan-X.user.js
index 81cc964f4..40e397241 100644
--- a/builds/4chan-X.user.js
+++ b/builds/4chan-X.user.js
@@ -1,6 +1,6 @@
 // ==UserScript==
 // @name         4chan X
-// @version      1.14.21.2
+// @version      1.14.21.3
 // @minGMVer     1.14
 // @minFFVer     26
 // @namespace    4chan-X
@@ -218,7 +218,7 @@ docSet = function() {
 };
 
 g = {
-  VERSION:   '1.14.21.2',
+  VERSION:   '1.14.21.3',
   NAMESPACE: '4chan X.',
   sites:     Object.create(null),
   boards:    Object.create(null)
@@ -20695,13 +20695,23 @@ Favicon = (function() {
         return d.head && (Favicon.el = $('link[rel="shortcut icon"]', d.head));
       }), Favicon.initAsap);
     },
+    set: function(status) {
+      Favicon.status = status;
+      if (Favicon.el) {
+        Favicon.el.href = Favicon[status];
+        return $.add(d.head, Favicon.el);
+      }
+    },
     initAsap: function() {
       var href;
       Favicon.el.type = 'image/x-icon';
       href = Favicon.el.href;
       Favicon.isSFW = /ws\.ico$/.test(href);
       Favicon["default"] = href;
-      return Favicon["switch"]();
+      Favicon["switch"]();
+      if (Favicon.status) {
+        return Favicon.set(Favicon.status);
+      }
     },
     "switch": function() {
       var f, i, items, t;
@@ -22995,8 +23005,7 @@ Unread = (function() {
       Unread.saveThreadWatcherCount();
       if (Conf['Unread Favicon'] && g.SITE.software === 'yotsuba') {
         isDead = Unread.thread.isDead;
-        Favicon.el.href = countQuotingYou ? Favicon[isDead ? 'unreadDeadY' : 'unreadY'] : count ? Favicon[isDead ? 'unreadDead' : 'unread'] : Favicon[isDead ? 'dead' : 'default'];
-        return $.add(d.head, Favicon.el);
+        return Favicon.set((countQuotingYou ? (isDead ? 'unreadDeadY' : 'unreadY') : count ? (isDead ? 'unreadDead' : 'unread') : (isDead ? 'dead' : 'default')));
       }
     },
     saveThreadWatcherCount: $.debounce(2 * $.SECOND, function() {
diff --git a/builds/4chan-X.zip b/builds/4chan-X.zip
index 41ed9daee..f908ce4c6 100644
Binary files a/builds/4chan-X.zip and b/builds/4chan-X.zip differ
diff --git a/builds/updates-beta.json b/builds/updates-beta.json
index 00a65652e..fbf5149d4 100644
--- a/builds/updates-beta.json
+++ b/builds/updates-beta.json
@@ -3,7 +3,7 @@
     "4chan-x@4chan-x.net": {
       "updates": [
         {
-          "version": "1.14.21.2",
+          "version": "1.14.21.3",
           "update_link": "https://www.4chan-x.net/builds/4chan-X-beta.crx"
         }
       ]
diff --git a/builds/updates-beta.xml b/builds/updates-beta.xml
index 9e3f55b2e..513cc85d0 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='1.14.21.2' />
+    <updatecheck codebase='https://www.4chan-x.net/builds/4chan-X-beta.crx' version='1.14.21.3' />
   </app>
 </gupdate>
 
diff --git a/builds/updates.json b/builds/updates.json
index 8cd9b414e..75215e77d 100644
--- a/builds/updates.json
+++ b/builds/updates.json
@@ -3,7 +3,7 @@
     "4chan-x@4chan-x.net": {
       "updates": [
         {
-          "version": "1.14.21.2",
+          "version": "1.14.21.3",
           "update_link": "https://www.4chan-x.net/builds/4chan-X.crx"
         }
       ]
diff --git a/builds/updates.xml b/builds/updates.xml
index a58f07ad5..1117a6594 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='1.14.21.2' />
+    <updatecheck codebase='https://www.4chan-x.net/builds/4chan-X.crx' version='1.14.21.3' />
   </app>
 </gupdate>
 
diff --git a/version.json b/version.json
index 58052db3d..2867a2ecf 100644
--- a/version.json
+++ b/version.json
@@ -1,4 +1,4 @@
 {
-  "version": "1.14.21.2",
-  "date": "2021-05-07T02:43:56.365Z"
+  "version": "1.14.21.3",
+  "date": "2021-05-07T07:49:08.122Z"
 }
\ No newline at end of file