diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2796a4f8f..23daac585 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+seaweedchan:
+- Add `Centered links` option for header
+- Add `Persistent Thread Watcher` option
+
 ### 1.1.15 - 2013-05-07
 seaweedchan:
 - Fix update and download urls for Greasemonkey
diff --git a/builds/appchan-x.js b/builds/appchan-x.js
index d8da9312a..4b54f9337 100644
--- a/builds/appchan-x.js
+++ b/builds/appchan-x.js
@@ -186,6 +186,7 @@
         'Thread Stats': [true, 'Display reply and image count.'],
         'Updater and Stats in Header': [true, 'Places the thread updater and thread stats in the header instead of floating them.'],
         'Thread Watcher': [true, 'Bookmark threads.'],
+        'Persistent Thread Watcher': [false, 'Opens the thread watcher by default.'],
         'Auto Watch': [true, 'Automatically watch threads you start.'],
         'Auto Watch Reply': [false, 'Automatically watch threads you reply to.']
       },
@@ -332,7 +333,6 @@
       'Fixed Header': true,
       'Header auto-hide': false,
       'Bottom Header': false,
-      'Hide Header': false,
       'Header catalog links': false,
       'Bottom Board List': true,
       'Custom Board Navigation': true
@@ -3674,21 +3674,24 @@
       });
       this.barFixedToggler = barFixedToggler.firstElementChild;
       this.barPositionToggler = barPositionToggler.firstElementChild;
+      this.linkJustifyToggler = linkJustifyToggler.firstElementChild;
       this.headerToggler = headerToggler.firstElementChild;
       this.footerToggler = footerToggler.firstElementChild;
       this.customNavToggler = customNavToggler.firstElementChild;
       $.on(this.menuButton, 'click', this.menuToggle);
       $.on(this.barFixedToggler, 'change', this.toggleBarFixed);
       $.on(this.barPositionToggler, 'change', this.toggleBarPosition);
+      $.on(this.linkJustifyToggler, 'change', this.toggleLinkJustify);
       $.on(this.headerToggler, 'change', this.toggleBarVisibility);
       $.on(this.footerToggler, 'change', this.toggleFooterVisibility);
       $.on(this.customNavToggler, 'change', this.toggleCustomNav);
       $.on(editCustomNav, 'click', this.editCustomNav);
       this.setBarFixed(Conf['Fixed Header']);
       this.setBarVisibility(Conf['Header auto-hide']);
+      this.setLinkJustify(Conf['Centered links']);
       $.sync('Fixed Header', Header.setBarFixed);
       $.sync('Bottom Header', Header.setBarPosition);
-      $.sync('Header auto-hide', Header.setBarVisibility);
+      $.sync('Centered links', Header.setLinkJustify);
       $.event('AddMenuEntry', {
         type: 'header',
         el: $.el('span', {
@@ -14470,24 +14473,22 @@
       }
     },
     checkUpdate: function() {
-      var freq, items, now;
+      var now;
 
       if (!(Conf['Check for Updates'] && Main.isThisPageLegit())) {
         return;
       }
       now = Date.now();
-      freq = 6 * $.HOUR;
-      items = {
-        lastupdate: 0,
-        lastchecked: 0
-      };
-      return $.get(items, function(items) {
-        if (items.lastupdate > now - freq || items.lastchecked > now - $.DAY) {
+      return $.get('lastchecked', 0, function(_arg) {
+        var lastchecked;
+
+        lastchecked = _arg.lastchecked;
+        if (lastchecked > now - $.DAY) {
           return;
         }
         return $.ready(function() {
           $.on(window, 'message', Main.message);
-          $.set('lastUpdate', now);
+          $.set('lastchecked', now);
           return $.add(d.head, $.el('script', {
             src: 'https://github.com/zixaphir/appchan-x/raw/Av2/latest.js'
           }));
diff --git a/builds/appchan-x.user.js b/builds/appchan-x.user.js
index 12cb66527..a805ad29b 100644
--- a/builds/appchan-x.user.js
+++ b/builds/appchan-x.user.js
@@ -186,6 +186,7 @@
         'Thread Stats': [true, 'Display reply and image count.'],
         'Updater and Stats in Header': [true, 'Places the thread updater and thread stats in the header instead of floating them.'],
         'Thread Watcher': [true, 'Bookmark threads.'],
+        'Persistent Thread Watcher': [false, 'Opens the thread watcher by default.'],
         'Auto Watch': [true, 'Automatically watch threads you start.'],
         'Auto Watch Reply': [false, 'Automatically watch threads you reply to.']
       },
@@ -333,7 +334,6 @@
       'Fixed Header': true,
       'Header auto-hide': false,
       'Bottom Header': false,
-      'Hide Header': false,
       'Header catalog links': false,
       'Bottom Board List': true,
       'Custom Board Navigation': true
@@ -3670,21 +3670,24 @@
       });
       this.barFixedToggler = barFixedToggler.firstElementChild;
       this.barPositionToggler = barPositionToggler.firstElementChild;
+      this.linkJustifyToggler = linkJustifyToggler.firstElementChild;
       this.headerToggler = headerToggler.firstElementChild;
       this.footerToggler = footerToggler.firstElementChild;
       this.customNavToggler = customNavToggler.firstElementChild;
       $.on(this.menuButton, 'click', this.menuToggle);
       $.on(this.barFixedToggler, 'change', this.toggleBarFixed);
       $.on(this.barPositionToggler, 'change', this.toggleBarPosition);
+      $.on(this.linkJustifyToggler, 'change', this.toggleLinkJustify);
       $.on(this.headerToggler, 'change', this.toggleBarVisibility);
       $.on(this.footerToggler, 'change', this.toggleFooterVisibility);
       $.on(this.customNavToggler, 'change', this.toggleCustomNav);
       $.on(editCustomNav, 'click', this.editCustomNav);
       this.setBarFixed(Conf['Fixed Header']);
       this.setBarVisibility(Conf['Header auto-hide']);
+      this.setLinkJustify(Conf['Centered links']);
       $.sync('Fixed Header', Header.setBarFixed);
       $.sync('Bottom Header', Header.setBarPosition);
-      $.sync('Header auto-hide', Header.setBarVisibility);
+      $.sync('Centered links', Header.setLinkJustify);
       $.event('AddMenuEntry', {
         type: 'header',
         el: $.el('span', {
@@ -14489,24 +14492,22 @@
       }
     },
     checkUpdate: function() {
-      var freq, items, now;
+      var now;
 
       if (!(Conf['Check for Updates'] && Main.isThisPageLegit())) {
         return;
       }
       now = Date.now();
-      freq = 7 * $.DAY;
-      items = {
-        lastupdate: 0,
-        lastchecked: 0
-      };
-      return $.get(items, function(items) {
-        if (items.lastupdate > now - freq || items.lastchecked > now - $.DAY) {
+      return $.get('lastchecked', 0, function(_arg) {
+        var lastchecked;
+
+        lastchecked = _arg.lastchecked;
+        if (lastchecked > now - $.DAY) {
           return;
         }
         return $.ready(function() {
           $.on(window, 'message', Main.message);
-          $.set('lastUpdate', now);
+          $.set('lastchecked', now);
           return $.add(d.head, $.el('script', {
             src: 'https://github.com/zixaphir/appchan-x/raw/Av2/latest.js'
           }));
diff --git a/builds/crx/script.js b/builds/crx/script.js
index 2c14a9ebb..ca9c5c410 100644
--- a/builds/crx/script.js
+++ b/builds/crx/script.js
@@ -168,6 +168,7 @@
         'Thread Stats': [true, 'Display reply and image count.'],
         'Updater and Stats in Header': [true, 'Places the thread updater and thread stats in the header instead of floating them.'],
         'Thread Watcher': [true, 'Bookmark threads.'],
+        'Persistent Thread Watcher': [false, 'Opens the thread watcher by default.'],
         'Auto Watch': [true, 'Automatically watch threads you start.'],
         'Auto Watch Reply': [false, 'Automatically watch threads you reply to.']
       },
@@ -314,7 +315,6 @@
       'Fixed Header': true,
       'Header auto-hide': false,
       'Bottom Header': false,
-      'Hide Header': false,
       'Header catalog links': false,
       'Bottom Board List': true,
       'Custom Board Navigation': true
@@ -3672,21 +3672,24 @@
       });
       this.barFixedToggler = barFixedToggler.firstElementChild;
       this.barPositionToggler = barPositionToggler.firstElementChild;
+      this.linkJustifyToggler = linkJustifyToggler.firstElementChild;
       this.headerToggler = headerToggler.firstElementChild;
       this.footerToggler = footerToggler.firstElementChild;
       this.customNavToggler = customNavToggler.firstElementChild;
       $.on(this.menuButton, 'click', this.menuToggle);
       $.on(this.barFixedToggler, 'change', this.toggleBarFixed);
       $.on(this.barPositionToggler, 'change', this.toggleBarPosition);
+      $.on(this.linkJustifyToggler, 'change', this.toggleLinkJustify);
       $.on(this.headerToggler, 'change', this.toggleBarVisibility);
       $.on(this.footerToggler, 'change', this.toggleFooterVisibility);
       $.on(this.customNavToggler, 'change', this.toggleCustomNav);
       $.on(editCustomNav, 'click', this.editCustomNav);
       this.setBarFixed(Conf['Fixed Header']);
       this.setBarVisibility(Conf['Header auto-hide']);
+      this.setLinkJustify(Conf['Centered links']);
       $.sync('Fixed Header', Header.setBarFixed);
       $.sync('Bottom Header', Header.setBarPosition);
-      $.sync('Header auto-hide', Header.setBarVisibility);
+      $.sync('Centered links', Header.setLinkJustify);
       $.event('AddMenuEntry', {
         type: 'header',
         el: $.el('span', {
@@ -14474,24 +14477,22 @@
       }
     },
     checkUpdate: function() {
-      var freq, items, now;
+      var now;
 
       if (!(Conf['Check for Updates'] && Main.isThisPageLegit())) {
         return;
       }
       now = Date.now();
-      freq = 7 * $.DAY;
-      items = {
-        lastupdate: 0,
-        lastchecked: 0
-      };
-      return $.get(items, function(items) {
-        if (items.lastupdate > now - freq || items.lastchecked > now - $.DAY) {
+      return $.get('lastchecked', 0, function(_arg) {
+        var lastchecked;
+
+        lastchecked = _arg.lastchecked;
+        if (lastchecked > now - $.DAY) {
           return;
         }
         return $.ready(function() {
           $.on(window, 'message', Main.message);
-          $.set('lastUpdate', now);
+          $.set('lastchecked', now);
           return $.add(d.head, $.el('script', {
             src: 'https://github.com/zixaphir/appchan-x/raw/Av2/latest.js'
           }));
diff --git a/src/General/Config.coffee b/src/General/Config.coffee
index a6e71cf6a..67c8078be 100644
--- a/src/General/Config.coffee
+++ b/src/General/Config.coffee
@@ -229,6 +229,10 @@ Config =
         true
         'Bookmark threads.'
       ]
+      'Persistent Thread Watcher': [
+        false
+        'Opens the thread watcher by default.'
+      ]
       'Auto Watch': [
         true
         'Automatically watch threads you start.'
@@ -771,7 +775,6 @@ http://iqdb.org/?url=%TURL
     'Fixed Header':            true
     'Header auto-hide':        false
     'Bottom Header':           false
-    'Hide Header':             false
     'Header catalog links':    false
     'Bottom Board List':       true
     'Custom Board Navigation': true
diff --git a/src/General/Header.coffee b/src/General/Header.coffee
index 2ce7ad7c3..b210b55dd 100644
--- a/src/General/Header.coffee
+++ b/src/General/Header.coffee
@@ -21,6 +21,7 @@ Header =
 
     @barFixedToggler    = barFixedToggler.firstElementChild
     @barPositionToggler = barPositionToggler.firstElementChild
+    @linkJustifyToggler = linkJustifyToggler.firstElementChild
     @headerToggler      = headerToggler.firstElementChild
     @footerToggler      = footerToggler.firstElementChild
     @customNavToggler   = customNavToggler.firstElementChild
@@ -28,6 +29,7 @@ Header =
     $.on @menuButton,         'click',  @menuToggle
     $.on @barFixedToggler,    'change', @toggleBarFixed
     $.on @barPositionToggler, 'change', @toggleBarPosition
+    $.on @linkJustifyToggler, 'change', @toggleLinkJustify
     $.on @headerToggler,      'change', @toggleBarVisibility
     $.on @footerToggler,      'change', @toggleFooterVisibility
     $.on @customNavToggler,   'change', @toggleCustomNav
@@ -35,10 +37,11 @@ Header =
 
     @setBarFixed      Conf['Fixed Header']
     @setBarVisibility Conf['Header auto-hide']
+    @setLinkJustify   Conf['Centered links']
 
     $.sync 'Fixed Header',     Header.setBarFixed
     $.sync 'Bottom Header',    Header.setBarPosition
-    $.sync 'Header auto-hide', Header.setBarVisibility
+    $.sync 'Centered links',   Header.setLinkJustify
 
     $.event 'AddMenuEntry',
       type: 'header'
diff --git a/src/General/Main.coffee b/src/General/Main.coffee
index f34f13c73..3df2d039a 100644
--- a/src/General/Main.coffee
+++ b/src/General/Main.coffee
@@ -289,21 +289,13 @@ Main =
 
   checkUpdate: ->
     return unless Conf['Check for Updates'] and Main.isThisPageLegit()
-    # Check for updates after:
-    #  - 6 hours since the last update on Opera because it lacks auto-updating.
-    #  - 7 days since the last update on Chrome/Firefox.
-    # After that, check for updates every day if we still haven't updated.
     now  = Date.now()
-    freq = <% if (type === 'userjs') { %>6 * $.HOUR<% } else { %>7 * $.DAY<% } %>
-    items =
-      lastupdate:  0
-      lastchecked: 0
-    $.get items, (items) ->
-      if items.lastupdate > now - freq or items.lastchecked > now - $.DAY
+    $.get 'lastchecked', 0, ({lastchecked}) ->
+      if (lastchecked > now - $.DAY)
         return
       $.ready ->
         $.on window, 'message', Main.message
-        $.set 'lastUpdate', now
+        $.set 'lastchecked', now
         $.add d.head, $.el 'script',
           src: '<%= meta.repo %>raw/<%= meta.mainBranch %>/latest.js'
 
diff --git a/src/General/css/style.css b/src/General/css/style.css
index 9efa4daae..b061c7497 100644
--- a/src/General/css/style.css
+++ b/src/General/css/style.css
@@ -126,6 +126,13 @@ a {
   border-width: 0;
   transition: all .1s .05s ease-in-out;
 }
+:root.centered-links #header-bar {
+  text-align: center;
+}
+:root.centered-links #custom-board-list {
+  position: relative;
+  left: 80px;
+}
 .fixed.top #header-bar {
   border-bottom-width: 1px;
 }