diff --git a/.gitchange b/.gitchange
index 101b5b9..db3c9ac 100644
--- a/.gitchange
+++ b/.gitchange
@@ -1,4 +1,4 @@
 1460135613
 49dd4154d8f5d3b70691c8e3f52a063a49137fb7:57be33556df067.43016776
 853d9120b42cf4f2eabe2f35ea18a6ace7170ea6:585cfba51d7115.78255177
-d0e05c36184f81b133761b71ca6ee0136be67409:5861a7bdd62385.64706493
+d0e05c36184f81b133761b71ca6ee0136be67409:5862af7eeb5ac2.32178454
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 082e158..39ba3b4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,9 @@
+= v161227 =
+
+_**Note:** This is a Comet Cache Pro maintenance release._
+
+- **Bug Fix** (Pro): Resolves an issue with the previous Pro maintenance release (v161226) where `admin-bar.min.css` was missing, which caused issues with the Admin Bar buttons. This was due to a glitch in our build system. See [Issue #864](https://github.com/websharks/comet-cache/issues/864).
+
 = v161226 =
 
 _**Note:** This is a Comet Cache Pro maintenance release._
diff --git a/comet-cache.php b/comet-cache.php
index 8faf16d..6ada9fc 100644
--- a/comet-cache.php
+++ b/comet-cache.php
@@ -1,6 +1,6 @@
 <?php
 /*
-Version: 161226
+Version: 161227
 Text Domain: comet-cache
 Plugin Name: Comet Cache
 Network: true
diff --git a/readme.txt b/readme.txt
index 3eba4d9..eb49d2a 100644
--- a/readme.txt
+++ b/readme.txt
@@ -1,6 +1,6 @@
 === Comet Cache ===
 
-Stable tag: 161226
+Stable tag: 161227
 Requires at least: 4.2
 Tested up to: 4.8-alpha
 Text Domain: comet-cache
@@ -340,6 +340,12 @@ Requires WordPress v4.2+.
 
 == Changelog ==
 
+= v161227 =
+
+_**Note:** This is a Comet Cache Pro maintenance release._
+
+- **Bug Fix** (Pro): Resolves an issue with the previous Pro maintenance release (v161226) where `admin-bar.min.css` was missing, which caused issues with the Admin Bar buttons. This was due to a glitch in our build system. See [Issue #864](https://github.com/websharks/comet-cache/issues/864).
+
 = v161226 =
 
 _**Note:** This is a Comet Cache Pro maintenance release._
diff --git a/src/client-s/css/admin-bar.min.css b/src/client-s/css/admin-bar.min.css
new file mode 100644
index 0000000..ebe1bb6
--- /dev/null
+++ b/src/client-s/css/admin-bar.min.css
@@ -0,0 +1,2 @@
+@font-face{font-family:sharkicons;src:url("../../vendor/websharks/sharkicons/src/fonts/sharkicons.eot?v160221");src:url("../../vendor/websharks/sharkicons/src/fonts/sharkicons.eot?#iefix&v160221") format("embedded-opentype"),url("../../vendor/websharks/sharkicons/src/fonts/sharkicons.ttf?v160221") format("truetype"),url("../../vendor/websharks/sharkicons/src/fonts/sharkicons.woff?v160221") format("woff"),url("../../vendor/websharks/sharkicons/src/fonts/sharkicons.svg?v160221#sharkicons") format("svg");font-weight:normal;font-style:normal}.comet_cache-admin-bar-animation-spin{-webkit-animation-duration:0.75s;-moz-animation-duration:0.75s;animation-duration:0.75s;-webkit-animation-fill-mode:both;-moz-animation-fill-mode:both;animation-fill-mode:both;-webkit-animation-timing-function:linear;-moz-animation-timing-function:linear;animation-timing-function:linear;-webkit-animation-iteration-count:infinite;-moz-animation-iteration-count:infinite;animation-iteration-count:infinite;-webkit-animation-name:comet_cache-admin-bar-animation-spin;-moz-animation-name:comet_cache-admin-bar-animation-spin;animation-name:comet_cache-admin-bar-animation-spin}@-webkit-keyframes comet_cache-admin-bar-animation-spin{0%{-webkit-transform:rotate(0deg)}100%{-webkit-transform:rotate(360deg)}}@-moz-keyframes comet_cache-admin-bar-animation-spin{0%{-moz-transform:rotate(0deg)}100%{-moz-transform:rotate(360deg)}}@keyframes comet_cache-admin-bar-animation-spin{0%{-webkit-transform:rotate(0deg);-moz-transform:rotate(0deg);-ms-transform:rotate(0deg);-o-transform:rotate(0deg);transform:rotate(0deg)}100%{-webkit-transform:rotate(360deg);-moz-transform:rotate(360deg);-ms-transform:rotate(360deg);-o-transform:rotate(360deg);transform:rotate(360deg)}}.comet_cache-admin-bar-animation-zoom-in-down{-webkit-animation-duration:0.75s;-moz-animation-duration:0.75s;animation-duration:0.75s;-webkit-animation-fill-mode:both;-moz-animation-fill-mode:both;animation-fill-mode:both;-webkit-animation-name:comet_cache-admin-bar-animation-zoom-in-down;-moz-animation-name:comet_cache-admin-bar-animation-zoom-in-down;animation-name:comet_cache-admin-bar-animation-zoom-in-down}@-webkit-keyframes comet_cache-admin-bar-animation-zoom-in-down{from{-webkit-transform:scale3d(0.1, 0.1, 0.1) translate3d(0, -1000px, 0);-webkit-animation-timing-function:cubic-bezier(0.55, 0.055, 0.675, 0.19);opacity:0}60%{-webkit-transform:scale3d(0.475, 0.475, 0.475) translate3d(0, 60px, 0);-webkit-animation-timing-function:cubic-bezier(0.175, 0.885, 0.32, 1);opacity:1}}@-moz-keyframes comet_cache-admin-bar-animation-zoom-in-down{from{-moz-transform:scale3d(0.1, 0.1, 0.1) translate3d(0, -1000px, 0);-moz-animation-timing-function:cubic-bezier(0.55, 0.055, 0.675, 0.19);opacity:0}60%{-moz-transform:scale3d(0.475, 0.475, 0.475) translate3d(0, 60px, 0);-moz-animation-timing-function:cubic-bezier(0.175, 0.885, 0.32, 1);opacity:1}}@keyframes comet_cache-admin-bar-animation-zoom-in-down{from{-webkit-transform:scale3d(0.1, 0.1, 0.1) translate3d(0, -1000px, 0);-moz-transform:scale3d(0.1, 0.1, 0.1) translate3d(0, -1000px, 0);-ms-transform:scale3d(0.1, 0.1, 0.1) translate3d(0, -1000px, 0);-o-transform:scale3d(0.1, 0.1, 0.1) translate3d(0, -1000px, 0);transform:scale3d(0.1, 0.1, 0.1) translate3d(0, -1000px, 0);-webkit-animation-timing-function:cubic-bezier(0.55, 0.055, 0.675, 0.19);-moz-animation-timing-function:cubic-bezier(0.55, 0.055, 0.675, 0.19);animation-timing-function:cubic-bezier(0.55, 0.055, 0.675, 0.19);opacity:0}60%{-webkit-transform:scale3d(0.475, 0.475, 0.475) translate3d(0, 60px, 0);-moz-transform:scale3d(0.475, 0.475, 0.475) translate3d(0, 60px, 0);-ms-transform:scale3d(0.475, 0.475, 0.475) translate3d(0, 60px, 0);-o-transform:scale3d(0.475, 0.475, 0.475) translate3d(0, 60px, 0);transform:scale3d(0.475, 0.475, 0.475) translate3d(0, 60px, 0);-webkit-animation-timing-function:cubic-bezier(0.175, 0.885, 0.32, 1);-moz-animation-timing-function:cubic-bezier(0.175, 0.885, 0.32, 1);animation-timing-function:cubic-bezier(0.175, 0.885, 0.32, 1);opacity:1}}.comet_cache-admin-bar-animation-zoom-out-up{-webkit-animation-duration:0.15s;-moz-animation-duration:0.15s;animation-duration:0.15s;-webkit-animation-fill-mode:both;-moz-animation-fill-mode:both;animation-fill-mode:both;-webkit-animation-name:comet_cache-admin-bar-animation-zoom-out-up;-moz-animation-name:comet_cache-admin-bar-animation-zoom-out-up;animation-name:comet_cache-admin-bar-animation-zoom-out-up}@-webkit-keyframes comet_cache-admin-bar-animation-zoom-out-up{40%{-webkit-transform:scale3d(0.475, 0.475, 0.475) translate3d(0, 60px, 0);-webkit-animation-timing-function:cubic-bezier(0.55, 0.055, 0.675, 0.19);opacity:1}100%{-webkit-transform-origin:center bottom;-webkit-transform:scale3d(0.1, 0.1, 0.1) translate3d(0, -2000px, 0);-webkit-animation-timing-function:cubic-bezier(0.175, 0.885, 0.32, 1);opacity:0}}@-moz-keyframes comet_cache-admin-bar-animation-zoom-out-up{40%{-moz-transform:scale3d(0.475, 0.475, 0.475) translate3d(0, 60px, 0);-moz-animation-timing-function:cubic-bezier(0.55, 0.055, 0.675, 0.19);opacity:1}100%{-moz-transform-origin:center bottom;-moz-transform:scale3d(0.1, 0.1, 0.1) translate3d(0, -2000px, 0);-moz-animation-timing-function:cubic-bezier(0.175, 0.885, 0.32, 1);opacity:0}}@keyframes comet_cache-admin-bar-animation-zoom-out-up{40%{-webkit-transform:scale3d(0.475, 0.475, 0.475) translate3d(0, 60px, 0);-moz-transform:scale3d(0.475, 0.475, 0.475) translate3d(0, 60px, 0);-ms-transform:scale3d(0.475, 0.475, 0.475) translate3d(0, 60px, 0);-o-transform:scale3d(0.475, 0.475, 0.475) translate3d(0, 60px, 0);transform:scale3d(0.475, 0.475, 0.475) translate3d(0, 60px, 0);-webkit-animation-timing-function:cubic-bezier(0.55, 0.055, 0.675, 0.19);-moz-animation-timing-function:cubic-bezier(0.55, 0.055, 0.675, 0.19);animation-timing-function:cubic-bezier(0.55, 0.055, 0.675, 0.19);opacity:1}100%{-webkit-transform-origin:center bottom;-moz-transform-origin:center bottom;-ms-transform-origin:center bottom;-o-transform-origin:center bottom;transform-origin:center bottom;-webkit-transform:scale3d(0.1, 0.1, 0.1) translate3d(0, -2000px, 0);-moz-transform:scale3d(0.1, 0.1, 0.1) translate3d(0, -2000px, 0);-ms-transform:scale3d(0.1, 0.1, 0.1) translate3d(0, -2000px, 0);-o-transform:scale3d(0.1, 0.1, 0.1) translate3d(0, -2000px, 0);transform:scale3d(0.1, 0.1, 0.1) translate3d(0, -2000px, 0);-webkit-animation-timing-function:cubic-bezier(0.175, 0.885, 0.32, 1);-moz-animation-timing-function:cubic-bezier(0.175, 0.885, 0.32, 1);animation-timing-function:cubic-bezier(0.175, 0.885, 0.32, 1);opacity:0}}#wp-admin-bar-comet_cache-wipe>a::after,#wp-admin-bar-comet_cache-clear>a::after{border:0;padding:0;content:' ';width:16px;height:16px;line-height:16px;vertical-align:middle;margin:-3px 0 0 5px;display:inline-block}#wp-admin-bar-comet_cache-wipe.-wipe>a::after,#wp-admin-bar-comet_cache-clear.-wipe>a::after{content:url("../images/wipe.png")}#wp-admin-bar-comet_cache-wipe.-clear>a::after,#wp-admin-bar-comet_cache-clear.-clear>a::after{content:url("../images/clear.png")}#wp-admin-bar-comet_cache-wipe.-processing>a::after,#wp-admin-bar-comet_cache-clear.-processing>a::after{-webkit-animation-duration:0.75s;-moz-animation-duration:0.75s;animation-duration:0.75s;-webkit-animation-fill-mode:both;-moz-animation-fill-mode:both;animation-fill-mode:both;-webkit-animation-timing-function:linear;-moz-animation-timing-function:linear;animation-timing-function:linear;-webkit-animation-iteration-count:infinite;-moz-animation-iteration-count:infinite;animation-iteration-count:infinite;-webkit-animation-name:comet_cache-admin-bar-animation-spin;-moz-animation-name:comet_cache-admin-bar-animation-spin;animation-name:comet_cache-admin-bar-animation-spin;content:url("../images/spinner.png")}#wp-admin-bar-comet_cache-clear-options-wrapper.-wrapper,#wp-admin-bar-comet_cache-clear-options-wrapper .-container,#wp-admin-bar-comet_cache-clear-options-wrapper .-container>div{margin:0 !important;padding:0 !important;display:block !important;white-space:normal !important;width:100% !important;min-width:100% !important;height:auto !important;line-height:normal !important;box-sizing:border-box !important}#wp-admin-bar-comet_cache-clear-options-wrapper.-wrapper{padding:1em !important}#wp-admin-bar-comet_cache-clear-options-wrapper.-wrapper .-container *{margin:0;padding:0;width:auto;height:auto;position:static;line-height:normal;box-sizing:border-box}#wp-admin-bar-comet_cache-clear-options-wrapper.-wrapper .-container .-label{margin:0 0 1em}#wp-admin-bar-comet_cache-clear-options-wrapper.-wrapper .-container .-label::after{border:0;padding:0;width:16px;height:16px;float:right;vertical-align:middle;display:inline-block;content:url("../images/clear.png")}#wp-admin-bar-comet_cache-clear-options-wrapper.-wrapper .-container .-label .-text{opacity:0.75}#wp-admin-bar-comet_cache-clear-options-wrapper.-wrapper .-container .-label.-processing::after{-webkit-animation-duration:0.75s;-moz-animation-duration:0.75s;animation-duration:0.75s;-webkit-animation-fill-mode:both;-moz-animation-fill-mode:both;animation-fill-mode:both;-webkit-animation-timing-function:linear;-moz-animation-timing-function:linear;animation-timing-function:linear;-webkit-animation-iteration-count:infinite;-moz-animation-iteration-count:infinite;animation-iteration-count:infinite;-webkit-animation-name:comet_cache-admin-bar-animation-spin;-moz-animation-name:comet_cache-admin-bar-animation-spin;animation-name:comet_cache-admin-bar-animation-spin;content:url("../images/spinner.png")}#wp-admin-bar-comet_cache-clear-options-wrapper.-wrapper .-container .-options>li>a::before{padding-right:.5em;text-align:center;width:1.28571429em}#wp-admin-bar-comet_cache-clear-options-wrapper.-wrapper .-container .-options .-home-url-only>a::before{font:normal normal normal 14px/1 sharkicons;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;font-smoothing:antialiased;display:inline-block;font-size:inherit;text-decoration:inherit;text-transform:none;content:""}#wp-admin-bar-comet_cache-clear-options-wrapper.-wrapper .-container .-options .-current-url-only>a::before{font:normal normal normal 14px/1 sharkicons;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;font-smoothing:antialiased;display:inline-block;font-size:inherit;text-decoration:inherit;text-transform:none;content:""}#wp-admin-bar-comet_cache-clear-options-wrapper.-wrapper .-container .-options .-specific-url-only>a::before{font:normal normal normal 14px/1 sharkicons;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;font-smoothing:antialiased;display:inline-block;font-size:inherit;text-decoration:inherit;text-transform:none;content:""}#wp-admin-bar-comet_cache-clear-options-wrapper.-wrapper .-container .-options .-opcache-only>a::before{font:normal normal normal 14px/1 sharkicons;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;font-smoothing:antialiased;display:inline-block;font-size:inherit;text-decoration:inherit;text-transform:none;content:""}#wp-admin-bar-comet_cache-clear-options-wrapper.-wrapper .-container .-options .-cdn-only>a::before{font:normal normal normal 14px/1 sharkicons;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;font-smoothing:antialiased;display:inline-block;font-size:inherit;text-decoration:inherit;text-transform:none;content:""}#wp-admin-bar-comet_cache-clear-options-wrapper.-wrapper .-container .-options .-transients-only>a::before{font:normal normal normal 14px/1 sharkicons;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;font-smoothing:antialiased;display:inline-block;font-size:inherit;text-decoration:inherit;text-transform:none;content:""}#wp-admin-bar-comet_cache-clear-options-wrapper.-wrapper .-container .-spacer{min-width:145px}#wp-admin-bar-comet_cache-clear-options{border-left:1px solid #585858;border-right:1px solid #585858}#wp-admin-bar-comet_cache-clear-options>a::after{font:normal normal normal 14px/1 sharkicons;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;font-smoothing:antialiased;display:inline-block;font-size:inherit;text-decoration:inherit;text-transform:none;content:""}#wp-admin-bar-comet_cache-clear-options .-wrapper .-container .-spacer{min-width:145px}.comet_cache-ajax-response{-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none;display:none;left:50%;top:100px;z-index:10000;position:fixed;width:700px;height:auto;min-height:64px;padding:15px;text-align:center;outline:none;cursor:pointer;border-radius:5px;box-sizing:border-box;margin:0 0 0 -350px;background:#15181b;color:#fff;box-shadow:0 0 5px 0 #23282d}.comet_cache-ajax-response::after{font:normal normal normal 14px/1 sharkicons;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;font-smoothing:antialiased;display:inline-block;font-size:inherit;text-decoration:inherit;text-transform:none;content:""}.comet_cache-ajax-response:hover,.comet_cache-ajax-response.-hovered{background-color:#000}.comet_cache-ajax-response.-wipe::before,.comet_cache-ajax-response.-clear::before{left:0;top:0;width:64px;height:64px;position:absolute}.comet_cache-ajax-response.-wipe::before{content:url("../images/wipe-response.png")}.comet_cache-ajax-response.-clear::before{content:url("../images/clear-response.png")}.comet_cache-ajax-response::after{top:5px;right:8px;opacity:0.5;font-size:120%;position:absolute}.comet_cache-ajax-response p{margin:0;padding:0;opacity:0.35;font:15px/1.2em sans-serif}.comet_cache-ajax-response p:first-child{opacity:1}.comet_cache-ajax-response code{border-radius:3px;padding:1px 3px;color:#000;background:#eee}
+/*# sourceMappingURL=admin-bar.min.css.map */
diff --git a/src/includes/stub.php b/src/includes/stub.php
index 68b01d2..596fc43 100644
--- a/src/includes/stub.php
+++ b/src/includes/stub.php
@@ -13,7 +13,7 @@
 require_once dirname(__DIR__).'/vendor/autoload.php';
 require_once __DIR__.'/functions/i18n-utils.php';
 
-${__FILE__}['version'] = '161226'; //version//
+${__FILE__}['version'] = '161227'; //version//
 ${__FILE__}['plugin']  = dirname(dirname(__DIR__));
 ${__FILE__}['plugin'] .= '/'.basename(${__FILE__}['plugin']).'.php';
 ${__FILE__}['ns_path'] = str_replace('\\', '/', __NAMESPACE__); // To dir/path.