diff --git a/files/config b/files/config
--- a/files/config
+++ b/files/config
@@ -1,17 +1,17 @@
+. $topsrcdir/browser/config/mozconfig
+
 mk_add_options MOZ_MAKE_FLAGS="##JOBCOUNT##"
 mk_add_options MZ_OBJDIR=@TOPSRCDIR@/firefox/build-dir
 
 ac_add_options --prefix=/usr
 
-ac_add_options MOZ_PGO=1
-
 export MOZILLA_OFFICIAL=1
 ac_add_options --enable-official-branding
 ac_add_options --enable-update-channel=release
 ac_add_options --enable-startup-notification
 ac_add_options --enable-application=browser
-ac_add_options --enable-elf-hack
 ac_add_options --enable-release
+ac_add_options --enable-optimize="-O2"
 ac_add_options --enable-rust-simd
 ac_add_options --enable-pie
 ac_add_options --enable-crashreporter
diff --git a/files/prefs.js b/files/prefs.js
--- a/files/prefs.js
+++ b/files/prefs.js
@@ -9,8 +9,8 @@
 pref("network.manage-offline-status",       true);
 pref("extensions.shownSelectionUI",         true);
 pref("startup.homepage_override_url",       "");
-pref("browser.startup.homepage",            "data:text/plain,browser.startup.homepage=https://solus-project.com/blog/");
-pref("browser.newtabpage.pinned",           '[{"url":"https://solus-project.com/blog/","title":"Blogs | Solus Project"}]');
+pref("browser.startup.homepage",            "data:text/plain,browser.startup.homepage=https://getsol.us/blog/");
+pref("browser.newtabpage.pinned",           '[{"url":"https://getsol.us/blog/","title":"Blogs | Solus Project"}]');
 pref("extensions.autoDisableScopes",        0);
 pref("layers.use-image-offscreen-surfaces", false);
 pref("media.mediasource.enabled",           true);
@@ -20,5 +20,5 @@
 pref("app.update.autoInstallEnabled",       false);
 pref("layers.acceleration.force-enabled",   false);
 pref("extensions.webextensions.base-content-security-policy", "script-src 'self' https://* moz-extension: blob: filesystem: 'unsafe-eval' 'unsafe-inline'; object-src 'self' https://* moz-extension: blob: filesystem:;");
-pref("browser.tabs.remote.autostart",       true);
 pref("geo.wifi.uri", "https://location.services.mozilla.com/v1/geolocate?key=%MOZILLA_API_KEY%");
+pref("spellchecker.dictionary_path", "/usr/share/hunspell");
diff --git a/package.yml b/package.yml
--- a/package.yml
+++ b/package.yml
@@ -1,6 +1,6 @@
 name       : firefox
 version    : 62.0
-release    : 137
+release    : 138
 source     :
     - https://ftp.mozilla.org/pub/firefox/releases/62.0/source/firefox-62.0.source.tar.xz : b3f850581f7d89655a05d5dc26ba010783934d86aa920399237f79dedd5daec9
     - https://solus-project.com/sources/mozilla/firefox-62.0-langpacks.tar.xz : 46e94b5580938e38abc193d297e50b011b081fed93321c7ae95d3e63988c1221
@@ -11,6 +11,7 @@
 summary    : Firefox web browser
 description: |
     Mozilla Firefox is an open-source web browser, designed for standards compliance, performance and portability. Its functionality can be enhanced via a plethora of extensions.
+clang      : yes
 builddeps  :
     - pkgconfig(alsa)
     - pkgconfig(atk)
@@ -33,7 +34,6 @@
     - bzip2-devel
     - cargo
     - llvm-clang
-    - xorg-server-xvfb
     - yasm
 rundeps    :
     - ffmpeg
@@ -44,9 +44,7 @@
 
     ./mach configure
 build      : |
-    # Setup headless X11 to allow firefox to run for the creation of PGO data to optimize with.
-    xvfb-run -a -s "-extension GLX" ./mach build
-
+    ./mach build
     ./mach buildsymbols
 install    : |
     # Install locales first
diff --git a/pspec_x86_64.xml b/pspec_x86_64.xml
--- a/pspec_x86_64.xml
+++ b/pspec_x86_64.xml
@@ -184,8 +184,8 @@
         </Files>
     </Package>
     <History>
-        <Update release="137">
-            <Date>2018-09-04</Date>
+        <Update release="138">
+            <Date>2018-09-13</Date>
             <Version>62.0</Version>
             <Comment>Packaging update</Comment>
             <Name>Pierre-Yves</Name>