diff --git a/SOURCES/Bug-1238661---fix-mozillaSignalTrampoline-to-work-.patch b/SOURCES/Bug-1238661---fix-mozillaSignalTrampoline-to-work-.patch
new file mode 100644
index 0000000..88c4a13
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+++ b/SOURCES/Bug-1238661---fix-mozillaSignalTrampoline-to-work-.patch
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+
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+
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+            </div>
+
+        <pre class="syntaxhighlightblock"><code class="lang-diff">diff -up firefox-60.0/mfbt/LinuxSignal.h.mozilla-1238661 firefox-60.0/mfbt/LinuxSignal.h
+--- firefox-60.0/mfbt/LinuxSignal.h.mozilla-1238661	2018-04-27 08:55:38.848241768 +0200
++++ firefox-60.0/mfbt/LinuxSignal.h	2018-04-27 09:06:47.946769859 +0200
+@@ -22,7 +22,7 @@ __attribute__((naked)) void SignalTrampo
+                                              void* aContext) {
+   asm volatile(&#34;nop; nop; nop; nop&#34; : : : &#34;memory&#34;);
+ 
+-  asm volatile(&#34;b %0&#34; : : &#34;X&#34;(H) : &#34;memory&#34;);
++  asm volatile(&#34;bx %0&#34; : : &#34;r&#34;(H), &#34;l&#34;(aSignal), &#34;l&#34;(aInfo), &#34;l&#34;(aContext) : &#34;memory&#34;);
+ }
+ 
+ #  define MOZ_SIGNAL_TRAMPOLINE(h) (mozilla::SignalTrampoline&lt;h&gt;)
+</code></pre>
+  </div>
+ </div> <!-- end .card-->
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\ No newline at end of file
diff --git a/SOURCES/Bug-1526653---fix_user_vfp_armv7.patch b/SOURCES/Bug-1526653---fix_user_vfp_armv7.patch
new file mode 100644
index 0000000..6725466
--- /dev/null
+++ b/SOURCES/Bug-1526653---fix_user_vfp_armv7.patch
@@ -0,0 +1,375 @@
+
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+  </a>
+  <a class=
+    "nav-link nowrap
+"
+    href="/rpms/thunderbird/releases">
+    <i class="fa fa-tags text-muted fa-fw"></i>&nbsp;Releases
+  </a>
+</nav>    </div>
+    <div class="col-10">
+  <div class="row mb-1">
+    <div class="col-sm-6">
+    <h3>
+      Files
+    </h3>
+    </div>
+
+    <div class="col-sm-6">
+      <div class="float-right">
+        <a href="#" class="btn btn-outline-light border-secondary text-dark btn-sm"
+        aria-haspopup="true" aria-expanded="false">
+        Commit: <span class="font-weight-bold">308961d1a00d1df6257b15b2c7cbea00d2519a7f</span>
+        </a>
+    </div>
+  </div>
+  </div>
+    <div class="card mb-3">
+      <div class="card-header">
+        <ol class="breadcrumb p-0 bg-transparent mb-0">
+          <li class="breadcrumb-item">
+            <a href="/rpms/thunderbird/tree/308961d1a00d1df6257b15b2c7cbea00d2519a7f">
+              <span class="fa fa-random">
+              </span>&nbsp; 308961d1a00d1df6257b15b2c7cbea00d2519a7f
+            </a>
+          </li>
+<li class="breadcrumb-item"><a href="/rpms/thunderbird/blob/308961d1a00d1df6257b15b2c7cbea00d2519a7f/f/SOURCES">
+            <span class="fa fa-folder"></span>&nbsp; SOURCES</a>
+          </li>
+          <li class="active breadcrumb-item">
+            <span class="fa fa-file" data-glyph="">
+            </span>&nbsp; Bug-1526653---fix_user_vfp_armv7.patch
+          </li>
+        </ol>
+      </div>
+
+  <div class="card-body p-0">
+            <div class="bg-light border text-right pr-2">
+                <form class="btn btn-sm" method="POST" name="fork_project"
+                    action="/fork_edit/rpms/thunderbird/edit/308961d1a00d1df6257b15b2c7cbea00d2519a7f/f/SOURCES/Bug-1526653---fix_user_vfp_armv7.patch">
+                    <button class="btn btn-sm btn-secondary fork_project_btn">
+                            Fork and Edit
+                    </button>
+                    
+                </form>
+
+                <a class="btn btn-secondary btn-sm" href="/rpms/thunderbird/blob/308961d1a00d1df6257b15b2c7cbea00d2519a7f/f/SOURCES/Bug-1526653---fix_user_vfp_armv7.patch" title="View as blob">Blob</a>
+
+                <a class="btn btn-secondary btn-sm" href="/rpms/thunderbird/blame/SOURCES/Bug-1526653---fix_user_vfp_armv7.patch?identifier=308961d1a00d1df6257b15b2c7cbea00d2519a7f" title="View git blame">Blame</a>
+
+                <a class="btn btn-secondary btn-sm" href="/rpms/thunderbird/raw/308961d1a00d1df6257b15b2c7cbea00d2519a7f/f/SOURCES/Bug-1526653---fix_user_vfp_armv7.patch" title="View as raw">Raw</a>
+            </div>
+
+        <pre class="syntaxhighlightblock"><code class="lang-diff">From fd6847c9416f9eebde636e21d794d25d1be8791d Mon Sep 17 00:00:00 2001
+From: Mike Hommey &lt;mh@glandium.org&gt;
+Date: Sat, 1 Jun 2019 09:06:01 +0900
+Subject: [PATCH] Bug 1526653 - Include struct definitions for user_vfp and
+ user_vfp_exc.
+
+---
+ js/src/wasm/WasmSignalHandlers.cpp | 11 ++++++++++-
+ 1 file changed, 10 insertions(+), 1 deletion(-)
+
+diff --git a/js/src/wasm/WasmSignalHandlers.cpp b/js/src/wasm/WasmSignalHandlers.cpp
+index 636537f8478..383c380f04c 100644
+--- a/js/src/wasm/WasmSignalHandlers.cpp
++++ b/js/src/wasm/WasmSignalHandlers.cpp
+@@ -248,7 +248,16 @@ using mozilla::DebugOnly;
+ #endif
+ 
+ #ifdef WASM_EMULATE_ARM_UNALIGNED_FP_ACCESS
+-#  include &lt;sys/user.h&gt;
++struct user_vfp {
++  unsigned long long fpregs[32];
++  unsigned long fpscr;
++};
++
++struct user_vfp_exc {
++  unsigned long fpexc;
++  unsigned long fpinst;
++  unsigned long fpinst2;
++};
+ #endif
+ 
+ #if defined(ANDROID)
+-- 
+2.20.1
+
+</code></pre>
+  </div>
+ </div> <!-- end .card-->
+
+</div>
+</div>
+</div>
+    </div>
+
+        <div class="footer py-3 bg-light border-top text-center">
+        <div class="container">
+            <p class="text-muted credit">
+         Powered by
+          <a href="https://pagure.io/pagure">Pagure</a>
+          5.7.4
+            </p>
+            <p><a href="/ssh_info">SSH Hostkey/Fingerprint</a> | <a href="https://docs.pagure.org/pagure/usage/index.html">Documentation</a></p>
+        </div>
+    </div>
+
+
+    <script type="text/javascript" nonce="lE4NVTQNzEtjzyrGKuRU8y3bg" src="/static/vendor/jquery/jquery.min.js?version=5.7.4"></script>
+
+    <script src="/static/vendor/bootstrap/bootstrap.bundle.min.js"></script>
+
+    <script type="text/javascript" nonce="lE4NVTQNzEtjzyrGKuRU8y3bg">
+      $('[data-toggle="tooltip"]').tooltip({placement : 'bottom'});
+      $(".cancel_btn").click(function() {
+        history.back();
+      });
+    </script>
+
+<script type="text/javascript"  nonce="lE4NVTQNzEtjzyrGKuRU8y3bg" src="/static/vendor/lazyload/lazyload.min.js?version=5.7.4"></script>
+
+<script type="text/javascript" nonce="lE4NVTQNzEtjzyrGKuRU8y3bg">
+window.addEventListener("load", function(event) {
+    lazyload();
+});
+</script>
+
+<script type="text/javascript" nonce="lE4NVTQNzEtjzyrGKuRU8y3bg">
+$("#giturl-toggle").on('click', function(event){
+  event.stopPropagation();
+  $("#giturl-more").toggle();
+  $("#giturl-toggle").hide();
+})
+
+$(".fork_project_btn").click(function() {
+  $('#fork_project').submit();
+});
+
+</script>
+
+<script type="text/javascript" nonce="lE4NVTQNzEtjzyrGKuRU8y3bg" src="/static/vendor/highlight.js/highlight.pack.js?version=5.7.4"></script>
+<script type="text/javascript" nonce="lE4NVTQNzEtjzyrGKuRU8y3bg" src="/static/vendor/highlightjs-line-numbers/highlightjs-line-numbers.min.js?version=5.7.4"></script>
+<script type="text/javascript" nonce="lE4NVTQNzEtjzyrGKuRU8y3bg" src="/static/vendor/highlight.js/spec.js?version=5.7.4"></script>
+
+<script type="text/javascript" nonce="lE4NVTQNzEtjzyrGKuRU8y3bg">
+  $(document).ready(function() {
+  $('.fork_project_btn').click($("[name=fork_project]").submit);
+
+  $('pre.syntaxhighlightblock code').each(function(i, block) {
+    hljs.highlightBlock(block);
+    hljs.lineNumbersBlock(block);
+  });
+
+  var cls = "highlighted-line";
+  var lines = location.hash.substr(2).split('-').map(function (x) { return parseInt(x, 10) });
+  if (! isNaN(lines[0]))
+  {
+    for (var i = lines[lines.length - 1]; i >= lines[0]; i--) {
+      $('#_' + i).parent().parent().addClass(cls);
+    }
+    setTimeout(function(){
+      $("#_" + lines[0]).get(0).scrollIntoView({behavior: "smooth", block: "start", inline: "nearest"});
+    }, 50);
+  }
+});
+</script>
+
+<script type="text/javascript" nonce="lE4NVTQNzEtjzyrGKuRU8y3bg">
+
+  function updateHighlight() {
+    var cls = "highlighted-line";
+    $('.' + cls).removeClass(cls)
+    if (location.hash !== '') {
+      var lines = location.hash.substr(2).split('-').map(function (x) { return parseInt(x, 10) });
+      for (var i = lines[lines.length - 1]; i >= lines[0]; i--) {
+        $('[data-line-number=' + i + ']').closest('tr').addClass(cls);
+      }
+      return lines;
+    }
+    return [];
+  }
+  $(window).on('hashchange', updateHighlight);
+  var selected = [];
+  $("[data-line-number]").click(function (ev) {
+    var line = $(this).attr('data-line-number');
+    if (ev.shiftKey) {
+      selected = selected.slice(-1).concat(line);
+    } else {
+      selected = [line];
+    }
+
+    var hash = '_' + selected[0];
+    if (selected.length === 2) {
+      hash = '_' + Math.min(selected[0], selected[1]) + '-' + Math.max(selected[0], selected[1]);
+    }
+    window.location.hash = hash;
+    return false;
+  });
+
+</script>
+
+
+
+</body>
+</html>
\ No newline at end of file
diff --git a/SOURCES/thunderbird-centos-default-prefs.js.el6 b/SOURCES/thunderbird-centos-default-prefs.js.el6
new file mode 100644
index 0000000..75de82e
--- /dev/null
+++ b/SOURCES/thunderbird-centos-default-prefs.js.el6
@@ -0,0 +1,30 @@
+pref("app.update.enabled", false);
+pref("app.update.autoInstallEnabled", false);
+# Allow users to set custom colors
+# pref("browser.display.use_system_colors",   true);
+pref("general.useragent.vendor", "CentOS");
+pref("general.useragent.vendorSub", "THUNDERBIRD_RPM_VR");
+pref("intl.locale.matchOS", true);
+pref("mail.shell.checkDefaultClient", false);
+pref("toolkit.networkmanager.disable", false);
+pref("offline.autoDetect", true);
+
+# Disable global indexing by default
+pref("mailnews.database.global.indexer.enabled", false);
+
+# Do not switch to Smart Folders after upgrade to 3.0b4
+pref("mail.folder.views.version", "1");
+pref("extensions.shownSelectionUI", true);
+pref("extensions.autoDisableScope", 0);
+
+# For rhbz#1024232
+pref("ui.SpellCheckerUnderlineStyle",       1);
+
+/* Workaround for rhbz#1134876 */
+pref("javascript.options.baselinejit",      false);
+/* Workaround for rhbz#1110291 */
+pref("network.negotiate-auth.allow-insecure-ntlm-v1", true);
+/* Workaround for mozbz#1063315 */
+pref("security.use_mozillapkix_verification", false);
+/* Use OS settings for UI language */
+pref("intl.locale.requested", "");
diff --git a/SOURCES/thunderbird-centos-default-prefs.js.el7 b/SOURCES/thunderbird-centos-default-prefs.js.el7
new file mode 100644
index 0000000..75de82e
--- /dev/null
+++ b/SOURCES/thunderbird-centos-default-prefs.js.el7
@@ -0,0 +1,30 @@
+pref("app.update.enabled", false);
+pref("app.update.autoInstallEnabled", false);
+# Allow users to set custom colors
+# pref("browser.display.use_system_colors",   true);
+pref("general.useragent.vendor", "CentOS");
+pref("general.useragent.vendorSub", "THUNDERBIRD_RPM_VR");
+pref("intl.locale.matchOS", true);
+pref("mail.shell.checkDefaultClient", false);
+pref("toolkit.networkmanager.disable", false);
+pref("offline.autoDetect", true);
+
+# Disable global indexing by default
+pref("mailnews.database.global.indexer.enabled", false);
+
+# Do not switch to Smart Folders after upgrade to 3.0b4
+pref("mail.folder.views.version", "1");
+pref("extensions.shownSelectionUI", true);
+pref("extensions.autoDisableScope", 0);
+
+# For rhbz#1024232
+pref("ui.SpellCheckerUnderlineStyle",       1);
+
+/* Workaround for rhbz#1134876 */
+pref("javascript.options.baselinejit",      false);
+/* Workaround for rhbz#1110291 */
+pref("network.negotiate-auth.allow-insecure-ntlm-v1", true);
+/* Workaround for mozbz#1063315 */
+pref("security.use_mozillapkix_verification", false);
+/* Use OS settings for UI language */
+pref("intl.locale.requested", "");
diff --git a/SOURCES/thunderbird-redhat-default-prefs.js.rhel6 b/SOURCES/thunderbird-redhat-default-prefs.js.rhel6
deleted file mode 100644
index c412cb5..0000000
--- a/SOURCES/thunderbird-redhat-default-prefs.js.rhel6
+++ /dev/null
@@ -1,30 +0,0 @@
-pref("app.update.enabled", false);
-pref("app.update.autoInstallEnabled", false);
-# Allow users to set custom colors
-# pref("browser.display.use_system_colors",   true);
-pref("general.useragent.vendor", "Red Hat");
-pref("general.useragent.vendorSub", "THUNDERBIRD_RPM_VR");
-pref("intl.locale.matchOS", true);
-pref("mail.shell.checkDefaultClient", false);
-pref("toolkit.networkmanager.disable", false);
-pref("offline.autoDetect", true);
-
-# Disable global indexing by default
-pref("mailnews.database.global.indexer.enabled", false);
-
-# Do not switch to Smart Folders after upgrade to 3.0b4
-pref("mail.folder.views.version", "1");
-pref("extensions.shownSelectionUI", true);
-pref("extensions.autoDisableScope", 0);
-
-# For rhbz#1024232
-pref("ui.SpellCheckerUnderlineStyle",       1);
-
-/* Workaround for rhbz#1134876 */
-pref("javascript.options.baselinejit",      false);
-/* Workaround for rhbz#1110291 */
-pref("network.negotiate-auth.allow-insecure-ntlm-v1", true);
-/* Workaround for mozbz#1063315 */
-pref("security.use_mozillapkix_verification", false);
-/* Use OS settings for UI language */
-pref("intl.locale.requested", "");
diff --git a/SOURCES/thunderbird-redhat-default-prefs.js.rhel7 b/SOURCES/thunderbird-redhat-default-prefs.js.rhel7
deleted file mode 100644
index c412cb5..0000000
--- a/SOURCES/thunderbird-redhat-default-prefs.js.rhel7
+++ /dev/null
@@ -1,30 +0,0 @@
-pref("app.update.enabled", false);
-pref("app.update.autoInstallEnabled", false);
-# Allow users to set custom colors
-# pref("browser.display.use_system_colors",   true);
-pref("general.useragent.vendor", "Red Hat");
-pref("general.useragent.vendorSub", "THUNDERBIRD_RPM_VR");
-pref("intl.locale.matchOS", true);
-pref("mail.shell.checkDefaultClient", false);
-pref("toolkit.networkmanager.disable", false);
-pref("offline.autoDetect", true);
-
-# Disable global indexing by default
-pref("mailnews.database.global.indexer.enabled", false);
-
-# Do not switch to Smart Folders after upgrade to 3.0b4
-pref("mail.folder.views.version", "1");
-pref("extensions.shownSelectionUI", true);
-pref("extensions.autoDisableScope", 0);
-
-# For rhbz#1024232
-pref("ui.SpellCheckerUnderlineStyle",       1);
-
-/* Workaround for rhbz#1134876 */
-pref("javascript.options.baselinejit",      false);
-/* Workaround for rhbz#1110291 */
-pref("network.negotiate-auth.allow-insecure-ntlm-v1", true);
-/* Workaround for mozbz#1063315 */
-pref("security.use_mozillapkix_verification", false);
-/* Use OS settings for UI language */
-pref("intl.locale.requested", "");
diff --git a/SPECS/thunderbird.spec b/SPECS/thunderbird.spec
index 3d32a9c..13bfd3e 100644
--- a/SPECS/thunderbird.spec
+++ b/SPECS/thunderbird.spec
@@ -166,8 +166,8 @@ Source301:      yasm-1.2.0-3.el5.src.rpm
 Source303:      libffi-3.0.13-18.el7_3.src.rpm
 Source304:      nodejs-8.11.4-1.3.fc27.src.rpm
 Source305:      openssl-1.0.2k-19.6.bundle.el7_7.src.rpm
-Source601:      thunderbird-redhat-default-prefs.js.rhel6
-Source701:      thunderbird-redhat-default-prefs.js.rhel7
+Source601:      thunderbird-centos-default-prefs.js.el6
+Source701:      thunderbird-centos-default-prefs.js.el7
 
 ## Firefox patches
 
@@ -208,6 +208,9 @@ Patch402:        mozilla-1196777.patch
 ## Thunderbird patches
 
 Patch501:        python-encode.patch
+
+Patch10000:      Bug-1238661---fix-mozillaSignalTrampoline-to-work-.patch
+Patch10001:      Bug-1526653---fix_user_vfp_armv7.patch
 # ---------------------------------------------------
 
 BuildRequires:  autoconf213
@@ -429,6 +432,11 @@ Mozilla Thunderbird is a standalone mail and newsgroup client.
 %patch501 -p1 -b .python-encode
 %patch1001 -p1 -b .ppc64le-inline
 
+%ifarch %{arm}
+%patch10000 -p1 -b .mozilla-1238661
+%patch10001 -p1 -b .mozilla-1526653
+%endif 
+
 %{__rm} -f .mozconfig
 %{__cp} %{SOURCE10} .mozconfig
 function add_to_mozconfig() {