diff --git a/MozillaFirefox.changes b/MozillaFirefox.changes
index 81c0765..5fa9f57 100644
--- a/MozillaFirefox.changes
+++ b/MozillaFirefox.changes
@@ -1,3 +1,84 @@
+-------------------------------------------------------------------
+Mon Nov 14 21:07:03 UTC 2016 - wr@rosenauer.org
+
+- update to Firefox 50.0 (boo#1009026)
+  * requires NSS 3.26.2
+  new features
+  * Updates to keyboard shortcuts
+    Set a preference to have Ctrl+Tab cycle through tabs in recently
+    used order
+    View a page in Reader Mode by using Ctrl+Alt+R
+  * Added option to Find in page that allows users to limit search to
+    whole words only
+  * Added download protection for a large number of executable file
+    types on Windows, Mac and Linux
+  * Fixed rendering of dashed and dotted borders with rounded corners
+    (border-radius)
+  * Added a built-in Emoji set for operating systems without native
+    Emoji fonts (Windows 8.0 and lower and Linux)
+  * Blocked versions of libavcodec older than 54.35.1
+  * additional locale
+  security fixes:
+  * MFSA 2016-89
+    CVE-2016-5296: Heap-buffer-overflow WRITE in rasterize_edges_1
+                   (bmo#1292443)
+    CVE-2016-5292: URL parsing causes crash (bmo#1288482)
+    CVE-2016-5293: Write to arbitrary file with updater and moz
+                   maintenance service using updater.log hardlink
+		   (Windows only) (bmo#1246945)
+    CVE-2016-5294: Arbitrary target directory for result files of
+                   update process (Windows only) (bmo#1246972)
+    CVE-2016-5297: Incorrect argument length checking in Javascript
+                   (bmo#1303678)
+    CVE-2016-9064: Addons update must verify IDs match between
+                   current and new versions (bmo#1303418)
+    CVE-2016-9065: Firefox for Android location bar spoofing usingfullscreen
+                   (Android only) (bmo#1306696)
+    CVE-2016-9066: Integer overflow leading to a buffer overflow in
+                   nsScriptLoadHandler (bmo#1299686)
+    CVE-2016-9067: heap-use-after-free in nsINode::ReplaceOrInsertBefore
+                   (bmo#1301777, bmo#1308922 (CVE-2016-9069))
+    CVE-2016-9068: heap-use-after-free in nsRefreshDriver (bmo#1302973)
+    CVE-2016-9072: 64-bit NPAPI sandbox isn't enabled on fresh profile
+                   (bmo#1300083) (Windows only)
+    CVE-2016-9075: WebExtensions can access the mozAddonManager API
+                   and use it to gain elevated privileges (bmo#1295324)
+    CVE-2016-9077: Canvas filters allow feDisplacementMaps to be applied
+                   to cross-origin images, allowing timing attacks on them
+		   (bmo#1298552)
+    CVE-2016-5291: Same-origin policy violation using local HTML file
+                    and saved shortcut file (bmo#1292159)
+    CVE-2016-5295: Mozilla Maintenance Service: Ability to read
+                   arbitrary files as SYSTEM (Windows only) (bmo#1247239)
+    CVE-2016-5298: SSL indicator can mislead the user about the real
+                   URL visited (bmo#1227538) (Android only)
+    CVE-2016-5299: Firefox AuthToken in broadcast protected with
+                   signature-level permission can be accessed by an
+		   application installed beforehand that defines the
+		   same permissions (bmo#1245791) (Android only)
+    CVE-2016-9061: API Key (glocation) in broadcast protected with
+                   signature-level permission can be accessed by an
+		   application installed beforehand that defines the
+		   same permissions (Android only) (bmo#1245795)
+    CVE-2016-9062: Private browsing browser traces (android) in
+                   browser.db and wal file (Android only) (bmo#1294438)
+    CVE-2016-9070: Sidebar bookmark can have reference to chrome window
+                   (bmo#1281071)
+    CVE-2016-9073: windows.create schema doesn't specify "format": "relativeUrl"
+                   (bmo#1289273)
+    CVE-2016-9074: Insufficient timing side-channel resistance in
+                   divSpoiler (bmo#1293334) (fixed via NSS 3.26.1)
+    CVE-2016-9076: select dropdown menu can be used for URL bar
+                   spoofing on e10s (bmo#1276976)
+    CVE-2016-9063: Possible integer overflow to fix inside XML_Parse
+                   in expat (bmo#1274777)
+    CVE-2016-9071: Probe browser history via HSTS/301 redirect + CSP
+                   (bmo#1285003)
+    CVE-2016-5289: Memory safety bugs fixed in Firefox 50
+    CVE-2016-5290: Memory safety bugs fixed in Firefox 50 and Firefox ESR 45.5
+- make aarch64 build more similar to x86_64 build (remove conditionals
+  that don't seem to be necessary anymore)
+
 -------------------------------------------------------------------
 Mon Oct 24 09:41:17 UTC 2016 - astieger@suse.com
 
diff --git a/MozillaFirefox.spec b/MozillaFirefox.spec
index 95cd985..f3ed841 100644
--- a/MozillaFirefox.spec
+++ b/MozillaFirefox.spec
@@ -18,10 +18,10 @@
 
 
 # changed with every update
-%define major 49
-%define mainver %major.0.2
+%define major 50
+%define mainver %major.0
 %define update_channel release
-%define releasedate 20161020000000
+%define releasedate 20161113000000
 
 # PIE, full relro (x86_64 for now)
 %define build_hardened 1
@@ -54,10 +54,10 @@
 %define branding 1
 %endif
 %define localize 1
-%ifarch aarch64 ppc ppc64 ppc64le s390 s390x ia64 %arm
-%define crashreporter 0
-%else
+%ifarch %ix86 x86_64
 %define crashreporter 1
+%else
+%define crashreporter 0
 %endif
 
 Name:           %{pkgname}
@@ -75,7 +75,7 @@ BuildRequires:  libnotify-devel
 BuildRequires:  libproxy-devel
 BuildRequires:  makeinfo
 BuildRequires:  mozilla-nspr-devel >= 4.12
-BuildRequires:  mozilla-nss-devel >= 3.25
+BuildRequires:  mozilla-nss-devel >= 3.26.2
 BuildRequires:  nss-shared-helper-devel
 BuildRequires:  python-devel
 BuildRequires:  startup-notification-devel
@@ -203,6 +203,7 @@ of %{appname}.
 Summary:        Extra translations for %{appname}
 Group:          System/Localization
 Provides:       locale(%{name}:ach;af;ak;as;ast;be;bg;bn_BD;bn_IN;br;bs;csb;cy;en_ZA;eo;es_MX;et;eu;fa;ff;fy_NL;ga_IE;gd;gl;gu_IN;he;hi_IN;hr;hy_AM;id;is;kk;km;kn;ku;lg;lij;lt;lv;mai;mk;ml;mr;nn_NO;nso;or;pa_IN;rm;ro;si;sk;sl;son;sq;sr;ta;ta_LK;te;th;tr;uk;uz;vi;zu)
+Provides:       locale(%{name}:ach;af;an;as;ast;az;be;bg;bn_BD;bn_IN;br;bs;cak;cy;dsb;en_ZA;eo;es_MX;et;eu;fa;ff;fy_NL;ga_IE;gd;gl;gn;gu_IN;he;hi_IN;hr;hsb;hy_AM;id;is;kk;km;kn;lij;lt;lv;mai;mk;ml;mr;ms;nn_NO;or;pa_IN;rm;ro;si;sk;sl;son;sq;sr;ta;te;th;tr;uk;uz;vi;xh)
 Requires:       %{name} = %{version}
 Obsoletes:      %{name}-translations < %{version}-%{release}
 
@@ -334,7 +335,7 @@ ac_add_options --enable-pie
 ac_add_options --disable-optimize
 %endif
 %endif
-%ifarch ppc ppc64 ppc64le aarch64 %arm
+%ifarch ppc ppc64 ppc64le %arm
 ac_add_options --disable-elf-hack
 %endif
 ac_add_options --with-system-nspr
@@ -363,7 +364,7 @@ ac_add_options --with-fpu=vfpv3-d16
 ac_add_options --with-float-abi=hard
 ac_add_options --with-arch=armv7-a
 %endif
-%ifarch %arm aarch64 s390x
+%ifarch %arm s390x
 ac_add_options --disable-webrtc
 %endif
 EOF
@@ -583,6 +584,7 @@ exit 0
 %{progdir}/*.so
 %{progdir}/icudt56l.dat
 %{progdir}/omni.ja
+%{progdir}/fonts/
 %{progdir}/platform.ini
 %{progdir}/plugin-container
 %if %crashreporter
diff --git a/compare-locales.tar.xz b/compare-locales.tar.xz
index 601530d..bb6a467 100644
--- a/compare-locales.tar.xz
+++ b/compare-locales.tar.xz
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:4db574a02cfa3f08719ec55e13d7a13cfddfc6fb035fe29ed2cf32deedac4525
-size 28504
+oid sha256:19dcb04b06fba9065298bea01bdf323624b0a7a714d6018b07e2ce7e4c6eca60
+size 28404
diff --git a/create-tar.sh b/create-tar.sh
index 789cc23..b00043b 100644
--- a/create-tar.sh
+++ b/create-tar.sh
@@ -7,8 +7,8 @@
 
 CHANNEL="release"
 BRANCH="releases/mozilla-$CHANNEL"
-RELEASE_TAG="FIREFOX_49_0_2_RELEASE"
-VERSION="49.0.2"
+RELEASE_TAG="dc617d65c9f0cdbbe4351cc1e5c288b05f25f8f7"
+VERSION="50.0"
 
 # mozilla
 if [ -d mozilla ]; then
diff --git a/firefox-49.0.2-source.tar.xz b/firefox-49.0.2-source.tar.xz
deleted file mode 100644
index 20c2d12..0000000
--- a/firefox-49.0.2-source.tar.xz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:ef493886c97977dca44c440f97d8bd373582636a2ea025f5f0b9950477db0b00
-size 199458100
diff --git a/firefox-50.0-source.tar.xz b/firefox-50.0-source.tar.xz
new file mode 100644
index 0000000..3e675ac
--- /dev/null
+++ b/firefox-50.0-source.tar.xz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:e39b1740e6e76f2b218117f32e4885f740f7ffb4e5aa7b882ba7e694ec70c75a
+size 205269544
diff --git a/firefox-kde.patch b/firefox-kde.patch
index e7437c0..e2c4a87 100644
--- a/firefox-kde.patch
+++ b/firefox-kde.patch
@@ -1,11 +1,11 @@
 # HG changeset patch
-# Parent  2704257a50b4ff60fa43eca8d4a547c6d70bb30e
+# Parent  2cb2f829aabd7e3efaa973a0a8cf99aca9605bdc
 
 diff --git a/browser/base/content/browser-kde.xul b/browser/base/content/browser-kde.xul
 new file mode 100644
 --- /dev/null
 +++ b/browser/base/content/browser-kde.xul
-@@ -0,0 +1,1179 @@
+@@ -0,0 +1,1200 @@
 +#filter substitution
 +<?xml version="1.0"?>
 +# -*- Mode: HTML -*-
@@ -19,7 +19,7 @@ new file mode 100644
 +<?xml-stylesheet href="chrome://browser/content/usercontext/usercontext.css" type="text/css"?>
 +<?xml-stylesheet href="chrome://devtools/skin/devtools-browser.css" type="text/css"?>
 +<?xml-stylesheet href="chrome://browser/skin/controlcenter/panel.css" type="text/css"?>
-+<?xml-stylesheet href="chrome://browser/skin/customizableui/panelUIOverlay.css" type="text/css"?>
++<?xml-stylesheet href="chrome://browser/skin/customizableui/panelUI.css" type="text/css"?>
 +<?xml-stylesheet href="chrome://browser/skin/" type="text/css"?>
 +<?xml-stylesheet href="chrome://browser/skin/browser-lightweightTheme.css" type="text/css"?>
 +
@@ -112,6 +112,12 @@ new file mode 100644
 +                hidden="true"
 +                oncommand="gBrowser.openNonRemoteWindow(TabContextMenu.contextTab);"/>
 +#endif
++      <menuseparator id="context_sendTabToDevice_separator" hidden="true"/>
++      <menu id="context_sendTabToDevice" label="&sendTabToDevice.label;"
++            accesskey="&sendTabToDevice.accesskey;" hidden="true">
++        <menupopup id="context_sendTabToDevicePopupMenu"
++                   onpopupshowing="gFxAccounts.populateSendTabToDevicesMenu(event.target, TabContextMenu.contextTab.linkedBrowser.currentURI.spec, TabContextMenu.contextTab.linkedBrowser.contentTitle);"/>
++      </menu>
 +      <menuseparator/>
 +      <menuitem id="context_reloadAllTabs" label="&reloadAllTabs.label;" accesskey="&reloadAllTabs.accesskey;"
 +                tbattr="tabbrowser-multiple-visible"
@@ -380,7 +386,6 @@ new file mode 100644
 +    <menupopup id="placesContext">
 +      <menuseparator id="placesContext_recentlyBookmarkedSeparator"
 +                     ignoreitem="true"
-+                     ordinal="2"
 +                     hidden="true"/>
 +      <menuitem id="placesContext_hideRecentlyBookmarked"
 +                label="&hideRecentlyBookmarked.label;"
@@ -388,7 +393,6 @@ new file mode 100644
 +                oncommand="BookmarkingUI.hideRecentlyBookmarked();"
 +                closemenu="single"
 +                ignoreitem="true"
-+                ordinal="2"
 +                hidden="true"/>
 +      <menuitem id="placesContext_showRecentlyBookmarked"
 +                label="&showRecentlyBookmarked.label;"
@@ -396,11 +400,10 @@ new file mode 100644
 +                oncommand="BookmarkingUI.showRecentlyBookmarked();"
 +                closemenu="single"
 +                ignoreitem="true"
-+                ordinal="2"
 +                hidden="true"/>
 +    </menupopup>
 +
-+    <panel id="ctrlTab-panel" class="KUI-panel" hidden="true" norestorefocus="true" level="top">
++    <panel id="ctrlTab-panel" hidden="true" norestorefocus="true" level="top">
 +      <hbox>
 +        <button class="ctrlTab-preview" flex="1"/>
 +        <button class="ctrlTab-preview" flex="1"/>
@@ -553,12 +556,11 @@ new file mode 100644
 +  <toolbox id="navigator-toolbox" mode="icons">
 +    <!-- Menu -->
 +    <toolbar type="menubar" id="toolbar-menubar" class="chromeclass-menubar" customizable="true"
-+             defaultset="menubar-items"
 +             mode="icons" iconsize="small"
 +#ifdef MENUBAR_CAN_AUTOHIDE
 +             toolbarname="&menubarCmd.label;"
 +             accesskey="&menubarCmd.accesskey;"
-+#if defined(MOZ_WIDGET_GTK) || defined(MOZ_WIDGET_QT)
++#if defined(MOZ_WIDGET_GTK)
 +             autohide="true"
 +#endif
 +#endif
@@ -585,10 +587,9 @@ new file mode 100644
 +             iconsize="small"
 +             aria-label="&tabsToolbar.label;"
 +             context="toolbar-context-menu"
-+             defaultset="tabbrowser-tabs,new-tab-button,alltabs-button"
 +             collapsed="true">
 +
-+#if defined(MOZ_WIDGET_GTK) || defined(MOZ_WIDGET_QT)
++#if defined(MOZ_WIDGET_GTK)
 +      <hbox id="private-browsing-indicator"
 +            skipintoolbarset="true"/>
 +#endif
@@ -638,7 +639,7 @@ new file mode 100644
 +        </menupopup>
 +      </toolbarbutton>
 +
-+#if !defined(MOZ_WIDGET_GTK) && !defined(MOZ_WIDGET_QT)
++#if !defined(MOZ_WIDGET_GTK)
 +      <hbox class="private-browsing-indicator" skipintoolbarset="true"/>
 +#endif
 +#ifdef CAN_DRAW_IN_TITLEBAR
@@ -657,21 +658,10 @@ new file mode 100644
 +#endif
 +    </toolbar>
 +
-+    <!--
-+           CAVEAT EMPTOR
-+           Should you need to add items to the toolbar here, make sure to also add them
-+           to the default placements of buttons in CustomizableUI.jsm, so the
-+           customization code doesn't get confused.
-+      -->
 +    <toolbar id="nav-bar"
 +             aria-label="&navbarCmd.label;"
 +             fullscreentoolbar="true" mode="icons" customizable="true"
 +             iconsize="small"
-+#ifdef MOZ_DEV_EDITION
-+             defaultset="urlbar-container,search-container,developer-button,bookmarks-menu-button,downloads-button,home-button,loop-button"
-+#else
-+             defaultset="urlbar-container,search-container,bookmarks-menu-button,downloads-button,home-button,loop-button"
-+#endif
 +             customizationtarget="nav-bar-customization-target"
 +             overflowable="true"
 +             overflowbutton="nav-bar-overflow-button"
@@ -715,46 +705,6 @@ new file mode 100644
 +                     pageproxystate="invalid"
 +                     onfocus="document.getElementById('identity-box').style.MozUserFocus= 'normal'"
 +                     onblur="setTimeout(() => { document.getElementById('identity-box').style.MozUserFocus = ''; }, 0);">
-+              <box id="notification-popup-box" hidden="true" align="center">
-+                <image id="default-notification-icon" class="notification-anchor-icon" role="button"
-+                       aria-label="&urlbar.defaultNotificationAnchor.label;"/>
-+                <image id="geo-notification-icon" class="notification-anchor-icon geo-icon" role="button"
-+                       aria-label="&urlbar.geolocationNotificationAnchor.label;"/>
-+                <image id="addons-notification-icon" class="notification-anchor-icon install-icon" role="button"
-+                       aria-label="&urlbar.addonsNotificationAnchor.label;"/>
-+                <image id="indexedDB-notification-icon" class="notification-anchor-icon indexedDB-icon" role="button"
-+                       aria-label="&urlbar.indexedDBNotificationAnchor.label;"/>
-+                <image id="login-fill-notification-icon" class="notification-anchor-icon login-icon" role="button"
-+                       aria-label="&urlbar.loginFillNotificationAnchor.label;"/>
-+                <image id="password-notification-icon" class="notification-anchor-icon login-icon" role="button"
-+                       aria-label="&urlbar.passwordNotificationAnchor.label;"/>
-+                <image id="plugins-notification-icon" class="notification-anchor-icon plugin-icon" role="button"
-+                       aria-label="&urlbar.pluginsNotificationAnchor.label;"/>
-+                <image id="web-notifications-notification-icon" class="notification-anchor-icon web-notifications-icon" role="button"
-+                       aria-label="&urlbar.webNotsNotificationAnchor3.label;"/>
-+                <image id="webRTC-shareDevices-notification-icon" class="notification-anchor-icon camera-icon" role="button"
-+                       aria-label="&urlbar.webRTCShareDevicesNotificationAnchor.label;"/>
-+                <image id="webRTC-sharingDevices-notification-icon" class="notification-anchor-icon camera-icon in-use" role="button"
-+                       aria-label="&urlbar.webRTCSharingDevicesNotificationAnchor.label;"/>
-+                <image id="webRTC-shareMicrophone-notification-icon" class="notification-anchor-icon microphone-icon" role="button"
-+                       aria-label="&urlbar.webRTCShareMicrophoneNotificationAnchor.label;"/>
-+                <image id="webRTC-sharingMicrophone-notification-icon" class="notification-anchor-icon microphone-icon in-use" role="button"
-+                       aria-label="&urlbar.webRTCSharingMicrophoneNotificationAnchor.label;"/>
-+                <image id="webRTC-shareScreen-notification-icon" class="notification-anchor-icon screen-icon" role="button"
-+                       aria-label="&urlbar.webRTCShareScreenNotificationAnchor.label;"/>
-+                <image id="webRTC-sharingScreen-notification-icon" class="notification-anchor-icon screen-icon in-use" role="button"
-+                       aria-label="&urlbar.webRTCSharingScreenNotificationAnchor.label;"/>
-+                <image id="pointerLock-notification-icon" class="notification-anchor-icon pointer-icon" role="button"
-+                       aria-label="&urlbar.pointerLockNotificationAnchor.label;"/>
-+                <image id="servicesInstall-notification-icon" class="notification-anchor-icon service-icon" role="button"
-+                       aria-label="&urlbar.servicesNotificationAnchor.label;"/>
-+                <image id="translate-notification-icon" class="notification-anchor-icon translation-icon" role="button"
-+                       aria-label="&urlbar.translateNotificationAnchor.label;"/>
-+                <image id="translated-notification-icon" class="notification-anchor-icon translation-icon in-use" role="button"
-+                       aria-label="&urlbar.translatedNotificationAnchor.label;"/>
-+                <image id="eme-notification-icon" class="notification-anchor-icon drm-icon" role="button"
-+                       aria-label="&urlbar.emeNotificationAnchor.label;"/>
-+              </box>
 +              <!-- Use onclick instead of normal popup= syntax since the popup
 +                   code fires onmousedown, and hence eats our favicon drag events.
 +                   We only add the identity-box button to the tab order when the location bar
@@ -768,6 +718,67 @@ new file mode 100644
 +                <image id="identity-icon"
 +                       consumeanchor="identity-box"
 +                       onclick="PageProxyClickHandler(event);"/>
++                <box id="blocked-permissions-container" align="center" tooltiptext="">
++                  <image data-permission-id="geo" class="notification-anchor-icon geo-icon blocked" role="button"
++                         aria-label="&urlbar.geolocationNotificationAnchor.label;"/>
++                  <image data-permission-id="desktop-notification" class="notification-anchor-icon desktop-notification-icon blocked" role="button"
++                         aria-label="&urlbar.webNotsNotificationAnchor3.label;"/>
++                  <image data-permission-id="camera" class="notification-anchor-icon camera-icon blocked" role="button"
++                         aria-label="&urlbar.webRTCShareDevicesNotificationAnchor.label;"/>
++                  <image data-permission-id="indexedDB" class="notification-anchor-icon indexedDB-icon blocked" role="button"
++                         aria-label="&urlbar.indexedDBNotificationAnchor.label;"/>
++                  <image data-permission-id="microphone" class="notification-anchor-icon microphone-icon blocked" role="button"
++                         aria-label="&urlbar.webRTCShareMicrophoneNotificationAnchor.label;"/>
++                  <image data-permission-id="screen" class="notification-anchor-icon screen-icon blocked" role="button"
++                         aria-label="&urlbar.webRTCShareScreenNotificationAnchor.label;"/>
++                  <image data-permission-id="pointerLock" class="notification-anchor-icon pointerLock-icon blocked" role="button"
++                         aria-label="&urlbar.pointerLockNotificationAnchor.label;"/>
++                </box>
++                <box id="notification-popup-box"
++                     hidden="true"
++                     tooltiptext=""
++                     onmouseover="document.getElementById('identity-icon').classList.add('no-hover');"
++                     onmouseout="document.getElementById('identity-icon').classList.remove('no-hover');"
++                     align="center">
++                  <image id="default-notification-icon" class="notification-anchor-icon" role="button"
++                         aria-label="&urlbar.defaultNotificationAnchor.label;"/>
++                  <image id="geo-notification-icon" class="notification-anchor-icon geo-icon" role="button"
++                         aria-label="&urlbar.geolocationNotificationAnchor.label;"/>
++                  <image id="addons-notification-icon" class="notification-anchor-icon install-icon" role="button"
++                         aria-label="&urlbar.addonsNotificationAnchor.label;"/>
++                  <image id="indexedDB-notification-icon" class="notification-anchor-icon indexedDB-icon" role="button"
++                         aria-label="&urlbar.indexedDBNotificationAnchor.label;"/>
++                  <image id="login-fill-notification-icon" class="notification-anchor-icon login-icon" role="button"
++                         aria-label="&urlbar.loginFillNotificationAnchor.label;"/>
++                  <image id="password-notification-icon" class="notification-anchor-icon login-icon" role="button"
++                         aria-label="&urlbar.passwordNotificationAnchor.label;"/>
++                  <image id="plugins-notification-icon" class="notification-anchor-icon plugin-icon" role="button"
++                         aria-label="&urlbar.pluginsNotificationAnchor.label;"/>
++                  <image id="web-notifications-notification-icon" class="notification-anchor-icon desktop-notification-icon" role="button"
++                         aria-label="&urlbar.webNotsNotificationAnchor3.label;"/>
++                  <image id="webRTC-shareDevices-notification-icon" class="notification-anchor-icon camera-icon" role="button"
++                         aria-label="&urlbar.webRTCShareDevicesNotificationAnchor.label;"/>
++                  <image id="webRTC-sharingDevices-notification-icon" class="notification-anchor-icon camera-icon in-use" role="button"
++                         aria-label="&urlbar.webRTCSharingDevicesNotificationAnchor.label;"/>
++                  <image id="webRTC-shareMicrophone-notification-icon" class="notification-anchor-icon microphone-icon" role="button"
++                         aria-label="&urlbar.webRTCShareMicrophoneNotificationAnchor.label;"/>
++                  <image id="webRTC-sharingMicrophone-notification-icon" class="notification-anchor-icon microphone-icon in-use" role="button"
++                         aria-label="&urlbar.webRTCSharingMicrophoneNotificationAnchor.label;"/>
++                  <image id="webRTC-shareScreen-notification-icon" class="notification-anchor-icon screen-icon" role="button"
++                         aria-label="&urlbar.webRTCShareScreenNotificationAnchor.label;"/>
++                  <image id="webRTC-sharingScreen-notification-icon" class="notification-anchor-icon screen-icon in-use" role="button"
++                         aria-label="&urlbar.webRTCSharingScreenNotificationAnchor.label;"/>
++                  <image id="pointerLock-notification-icon" class="notification-anchor-icon pointerLock-icon" role="button"
++                         aria-label="&urlbar.pointerLockNotificationAnchor.label;"/>
++                  <image id="servicesInstall-notification-icon" class="notification-anchor-icon service-icon" role="button"
++                         aria-label="&urlbar.servicesNotificationAnchor.label;"/>
++                  <image id="translate-notification-icon" class="notification-anchor-icon translation-icon" role="button"
++                         aria-label="&urlbar.translateNotificationAnchor.label;"/>
++                  <image id="translated-notification-icon" class="notification-anchor-icon translation-icon in-use" role="button"
++                         aria-label="&urlbar.translatedNotificationAnchor.label;"/>
++                  <image id="eme-notification-icon" class="notification-anchor-icon drm-icon" role="button"
++                         aria-label="&urlbar.emeNotificationAnchor.label;"/>
++                </box>
 +                <image id="tracking-protection-icon"/>
 +                <image id="connection-icon"/>
 +                <hbox id="identity-icon-labels">
@@ -972,7 +983,6 @@ new file mode 100644
 +             mode="icons" iconsize="small"
 +             class="chromeclass-directories"
 +             context="toolbar-context-menu"
-+             defaultset="personal-bookmarks"
 +             toolbarname="&personalbarCmd.label;" accesskey="&personalbarCmd.accesskey;"
 +             collapsed="true"
 +             customizable="true">
@@ -1139,13 +1149,13 @@ new file mode 100644
 +#include ../../components/customizableui/content/customizeMode.inc.xul
 +  </deck>
 +
-+  <html:div id="fullscreen-warning" hidden="true">
-+    <html:div id="fullscreen-domain-text">
++  <html:div id="fullscreen-warning" class="pointerlockfswarning" hidden="true">
++    <html:div class="pointerlockfswarning-domain-text">
 +      &fullscreenWarning.beforeDomain.label;
-+      <html:span id="fullscreen-domain"/>
++      <html:span class="pointerlockfswarning-domain"/>
 +      &fullscreenWarning.afterDomain.label;
 +    </html:div>
-+    <html:div id="fullscreen-generic-text">
++    <html:div class="pointerlockfswarning-generic-text">
 +      &fullscreenWarning.generic.label;
 +    </html:div>
 +    <html:button id="fullscreen-exit-button"
@@ -1158,6 +1168,17 @@ new file mode 100644
 +    </html:button>
 +  </html:div>
 +
++  <html:div id="pointerlock-warning" class="pointerlockfswarning" hidden="true">
++    <html:div class="pointerlockfswarning-domain-text">
++      &pointerlockWarning.beforeDomain.label;
++      <html:span class="pointerlockfswarning-domain"/>
++      &pointerlockWarning.afterDomain.label;
++    </html:div>
++    <html:div class="pointerlockfswarning-generic-text">
++      &pointerlockWarning.generic.label;
++    </html:div>
++  </html:div>
++
 +  <vbox id="browser-bottombox" layer="true">
 +    <notificationbox id="global-notificationbox" notificationside="bottom"/>
 +  </vbox>
@@ -1188,7 +1209,7 @@ new file mode 100644
 diff --git a/browser/base/jar.mn b/browser/base/jar.mn
 --- a/browser/base/jar.mn
 +++ b/browser/base/jar.mn
-@@ -69,16 +69,18 @@ browser.jar:
+@@ -68,16 +68,18 @@ browser.jar:
          content/browser/aboutTabCrashed.css           (content/aboutTabCrashed.css)
          content/browser/aboutTabCrashed.js            (content/aboutTabCrashed.js)
          content/browser/aboutTabCrashed.xhtml         (content/aboutTabCrashed.xhtml)
@@ -1205,7 +1226,7 @@ diff --git a/browser/base/jar.mn b/browser/base/jar.mn
          content/browser/browser-data-submission-info-bar.js (content/browser-data-submission-info-bar.js)
          content/browser/browser-devedition.js         (content/browser-devedition.js)
          content/browser/browser-feeds.js              (content/browser-feeds.js)
-         content/browser/browser-fullScreen.js         (content/browser-fullScreen.js)
+         content/browser/browser-fullScreenAndPointerLock.js  (content/browser-fullScreenAndPointerLock.js)
          content/browser/browser-fullZoom.js           (content/browser-fullZoom.js)
 diff --git a/browser/components/build/nsModule.cpp b/browser/components/build/nsModule.cpp
 --- a/browser/components/build/nsModule.cpp
@@ -1293,7 +1314,7 @@ diff --git a/browser/components/preferences/in-content/main.js b/browser/compone
      // when the user will select the default.  We refresh here periodically
      // in case the default changes. On other Windows OS's defaults can also
      // be set while the prefs are open.
-@@ -730,16 +736,27 @@ var gMainPane = {
+@@ -703,16 +709,27 @@ var gMainPane = {
      let alwaysCheckPref = document.getElementById("browser.shell.checkDefaultBrowser");
      alwaysCheckPref.value = true;
  
@@ -1636,7 +1657,7 @@ new file mode 100644
 diff --git a/browser/installer/package-manifest.in b/browser/installer/package-manifest.in
 --- a/browser/installer/package-manifest.in
 +++ b/browser/installer/package-manifest.in
-@@ -676,16 +676,17 @@
+@@ -674,16 +674,17 @@
  @RESPATH@/greprefs.js
  @RESPATH@/defaults/autoconfig/prefcalls.js
  @RESPATH@/browser/defaults/permissions
diff --git a/l10n-49.0.2.tar.xz b/l10n-49.0.2.tar.xz
deleted file mode 100644
index ba16308..0000000
--- a/l10n-49.0.2.tar.xz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:1b47b28349f3a7b6a90445a653058e2bd1d4c00bd8ca4d650e98992a734d437a
-size 43069176
diff --git a/l10n-50.0.tar.xz b/l10n-50.0.tar.xz
new file mode 100644
index 0000000..ae38902
--- /dev/null
+++ b/l10n-50.0.tar.xz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d4e3493d6ad5a4542a62b6b896882fe247c23c5c27a3a63935cd137355d76791
+size 44969912
diff --git a/l10n_changesets.txt b/l10n_changesets.txt
index 78ea2a5..b2c75c8 100644
--- a/l10n_changesets.txt
+++ b/l10n_changesets.txt
@@ -1,92 +1,92 @@
-ach 6ed1a299cf50
-af a2a61bde6775
-an 93c1791e869c
-ar 1e8208276670
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-eo 1b7342be2401
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-he 5492c43ed1c7
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+fa e481522b74f8
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+ga-IE ffbfd52e15d6
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+or 5ac88ef59ea5
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+pl cd84bd057189
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+pt-PT 900fd62886bb
+rm b6416ed6a3a1
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+ru 1d962dfc279e
 si 03a3b09a2203
-sk 44b670dcadbc
-sl d6ccefbe182a
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-sq bc47aefcea37
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-vi 5f990ea87b44
-xh 82473adddcaa
-zh-CN a17256bb05fa
-zh-TW 769f13e36251
+sk 4e8311d1d017
+sl b43e8e65c00e
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+sq 25e86afe807e
+sr 233c45e5d423
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+ta 0256c1b190ce
+te 8565fd8f778a
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+xh c96bc753a170
+zh-CN 411faa039900
+zh-TW e1416ff1b4d6
 
diff --git a/mozilla-kde.patch b/mozilla-kde.patch
index 49a636a..8901f20 100644
--- a/mozilla-kde.patch
+++ b/mozilla-kde.patch
@@ -1,5 +1,5 @@
 # HG changeset patch
-# Parent  1d3f5cacba056949ea9a56d4d805c3073efe403b
+# Parent  6ff55468281e12a84adefb46b17acb60d9cea608
 Description: Add KDE integration to Firefox (toolkit parts)
 Author: Wolfgang Rosenauer <wolfgang@rosenauer.org>
 Author: Lubos Lunak <lunak@suse.com>
@@ -27,7 +27,7 @@ diff --git a/modules/libpref/Preferences.cpp b/modules/libpref/Preferences.cpp
  #include "prefread.h"
  #include "prefapi_private_data.h"
  
-@@ -1162,16 +1163,34 @@ pref_LoadPrefsInDir(nsIFile* aDir, char 
+@@ -1180,16 +1181,34 @@ pref_LoadPrefsInDir(nsIFile* aDir, char 
  
  static nsresult pref_LoadPrefsInDirList(const char *listId)
  {
@@ -62,7 +62,7 @@ diff --git a/modules/libpref/Preferences.cpp b/modules/libpref/Preferences.cpp
      return NS_OK;
  
    bool hasMore;
-@@ -1187,17 +1206,17 @@ static nsresult pref_LoadPrefsInDirList(
+@@ -1205,17 +1224,17 @@ static nsresult pref_LoadPrefsInDirList(
  
      nsAutoCString leaf;
      path->GetNativeLeafName(leaf);
@@ -81,7 +81,7 @@ diff --git a/modules/libpref/Preferences.cpp b/modules/libpref/Preferences.cpp
  {
    nsZipItemPtr<char> manifest(jarReader, name, true);
    NS_ENSURE_TRUE(manifest.Buffer(), NS_ERROR_NOT_AVAILABLE);
-@@ -1291,24 +1310,36 @@ static nsresult pref_InitInitialObjects(
+@@ -1309,24 +1328,36 @@ static nsresult pref_InitInitialObjects(
    /* these pref file names should not be used: we process them after all other application pref files for backwards compatibility */
    static const char* specialFiles[] = {
  #if defined(XP_MACOSX)
@@ -228,7 +228,7 @@ diff --git a/toolkit/components/downloads/nsDownloadManager.cpp b/toolkit/compon
  #endif
  
  #ifdef MOZ_WIDGET_ANDROID
- #include "AndroidBridge.h"
+ #include "GeneratedJNIWrappers.h"
  #endif
  
 @@ -2719,16 +2723,25 @@ nsDownload::SetState(DownloadState aStat
@@ -278,7 +278,7 @@ diff --git a/toolkit/components/downloads/nsDownloadManager.cpp b/toolkit/compon
 diff --git a/toolkit/content/jar.mn b/toolkit/content/jar.mn
 --- a/toolkit/content/jar.mn
 +++ b/toolkit/content/jar.mn
-@@ -72,29 +72,33 @@ toolkit.jar:
+@@ -67,29 +67,33 @@ toolkit.jar:
     content/global/viewZoomOverlay.js
     content/global/bindings/autocomplete.xml    (widgets/autocomplete.xml)
     content/global/bindings/browser.xml         (widgets/browser.xml)
@@ -784,7 +784,7 @@ diff --git a/toolkit/content/widgets/preferences-kde.xml b/toolkit/content/widge
 new file mode 100644
 --- /dev/null
 +++ b/toolkit/content/widgets/preferences-kde.xml
-@@ -0,0 +1,1408 @@
+@@ -0,0 +1,1410 @@
 +<?xml version="1.0"?>
 +
 +<!DOCTYPE bindings [
@@ -954,6 +954,8 @@ new file mode 100644
 +      <field name="_constructed">false</field>
 +      <property name="instantApply">
 +        <getter>
++          if (this.getAttribute("instantApply") == "false")
++            return false;
 +          return this.getAttribute("instantApply") == "true" || this.preferences.instantApply;
 +        </getter>
 +      </property>
@@ -2290,13 +2292,13 @@ diff --git a/toolkit/system/unixproxy/nsUnixSystemProxySettings.cpp b/toolkit/sy
 diff --git a/toolkit/xre/moz.build b/toolkit/xre/moz.build
 --- a/toolkit/xre/moz.build
 +++ b/toolkit/xre/moz.build
-@@ -47,17 +47,19 @@ elif CONFIG['MOZ_WIDGET_TOOLKIT'] == 'ui
- elif CONFIG['MOZ_WIDGET_TOOLKIT'] == 'qt':
-     EXPORTS += ['nsQAppInstance.h']
-     SOURCES += [
-         '!moc_nsNativeAppSupportQt.cpp',
-         'nsNativeAppSupportQt.cpp',
-         'nsQAppInstance.cpp',
+@@ -39,17 +39,19 @@ elif CONFIG['MOZ_WIDGET_TOOLKIT'] == 'co
+         'updaterfileutils_osx.mm',
+     ]
+ elif CONFIG['MOZ_WIDGET_TOOLKIT'] == 'uikit':
+     UNIFIED_SOURCES += [
+         'nsNativeAppSupportDefault.cpp',
+         'UIKitDirProvider.mm',
      ]
  elif 'gtk' in CONFIG['MOZ_WIDGET_TOOLKIT']:
 +    EXPORTS += ['nsKDEUtils.h']
@@ -2730,7 +2732,7 @@ diff --git a/uriloader/exthandler/moz.build b/uriloader/exthandler/moz.build
          'android/nsExternalSharingAppService.cpp',
          'android/nsExternalURLHandlerService.cpp',
          'android/nsMIMEInfoAndroid.cpp',
-@@ -131,16 +133,17 @@ include('/ipc/chromium/chromium-config.m
+@@ -123,16 +125,17 @@ include('/ipc/chromium/chromium-config.m
  
  FINAL_LIBRARY = 'xul'
  
@@ -2746,7 +2748,7 @@ diff --git a/uriloader/exthandler/moz.build b/uriloader/exthandler/moz.build
      CXXFLAGS += CONFIG['TK_CFLAGS']
      CXXFLAGS += CONFIG['MOZ_DBUS_CFLAGS']
  
- if CONFIG['MOZ_WIDGET_TOOLKIT'] in ('qt', 'gtk2', 'gtk3'):
+ if CONFIG['MOZ_WIDGET_TOOLKIT'] in ('gtk2', 'gtk3'):
      CXXFLAGS += CONFIG['TK_CFLAGS']
 diff --git a/uriloader/exthandler/unix/nsCommonRegistry.cpp b/uriloader/exthandler/unix/nsCommonRegistry.cpp
 new file mode 100644
@@ -2974,13 +2976,12 @@ new file mode 100644
 diff --git a/uriloader/exthandler/unix/nsMIMEInfoUnix.cpp b/uriloader/exthandler/unix/nsMIMEInfoUnix.cpp
 --- a/uriloader/exthandler/unix/nsMIMEInfoUnix.cpp
 +++ b/uriloader/exthandler/unix/nsMIMEInfoUnix.cpp
-@@ -7,32 +7,35 @@
- #ifdef MOZ_WIDGET_QT
- #if (MOZ_ENABLE_CONTENTACTION)
- #include <contentaction/contentaction.h>
- #include "nsContentHandlerApp.h"
- #endif
- #endif
+@@ -1,50 +1,53 @@
+ /* -*- Mode: C++; tab-width: 3; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+  *
+  * This Source Code Form is subject to the terms of the Mozilla Public
+  * License, v. 2.0. If a copy of the MPL was not distributed with this
+  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
  
  #include "nsMIMEInfoUnix.h"
 -#include "nsGNOMERegistry.h"
@@ -2992,9 +2993,6 @@ diff --git a/uriloader/exthandler/unix/nsMIMEInfoUnix.cpp b/uriloader/exthandler
  #ifdef MOZ_ENABLE_DBUS
  #include "nsDBusHandlerApp.h"
  #endif
- #ifdef MOZ_WIDGET_QT
- #include "nsMIMEInfoQt.h"
- #endif
 +#if defined(XP_UNIX) && !defined(XP_MACOSX)
 +#include "nsKDEUtils.h"
 +#endif
@@ -3002,17 +3000,14 @@ diff --git a/uriloader/exthandler/unix/nsMIMEInfoUnix.cpp b/uriloader/exthandler
  nsresult
  nsMIMEInfoUnix::LoadUriInternal(nsIURI * aURI)
  {
--  nsresult rv = nsGNOMERegistry::LoadURL(aURI);
-+  nsresult rv = nsCommonRegistry::LoadURL(aURI);
+-  return nsGNOMERegistry::LoadURL(aURI);
++  return nsCommonRegistry::LoadURL(aURI);
+ }
  
- #ifdef MOZ_WIDGET_QT
-   if (NS_FAILED(rv)) {
-     rv = nsMIMEInfoQt::LoadUriInternal(aURI);
-   }
- #endif
- 
-   return rv;
-@@ -45,24 +48,24 @@ nsMIMEInfoUnix::GetHasDefaultHandler(boo
+ NS_IMETHODIMP
+ nsMIMEInfoUnix::GetHasDefaultHandler(bool *_retval)
+ {
+   // if mDefaultApplication is set, it means the application has been set from
    // either /etc/mailcap or ${HOME}/.mailcap, in which case we don't want to
    // give the GNOME answer.
    if (mDefaultApplication)
@@ -3040,7 +3035,7 @@ diff --git a/uriloader/exthandler/unix/nsMIMEInfoUnix.cpp b/uriloader/exthandler
  
    if (*_retval)
      return NS_OK;
-@@ -97,16 +100,33 @@ nsMIMEInfoUnix::LaunchDefaultWithFile(ns
+@@ -79,16 +82,33 @@ nsMIMEInfoUnix::LaunchDefaultWithFile(ns
      ContentAction::Action::defaultActionForFile(uri, QString(mSchemeOrType.get()));
    if (action.isValid()) {
      action.trigger();
@@ -3166,7 +3161,7 @@ diff --git a/uriloader/exthandler/unix/nsOSHelperAppService.cpp b/uriloader/exth
 diff --git a/widget/gtk/moz.build b/widget/gtk/moz.build
 --- a/widget/gtk/moz.build
 +++ b/widget/gtk/moz.build
-@@ -87,16 +87,17 @@ else:
+@@ -90,16 +90,17 @@ else:
  include('/ipc/chromium/chromium-config.mozbuild')
  
  FINAL_LIBRARY = 'xul'
@@ -3275,8 +3270,8 @@ diff --git a/widget/gtk/nsFilePicker.cpp b/widget/gtk/nsFilePicker.cpp
      GTK_WINDOW(mParentWidget->GetNativeData(NS_NATIVE_SHELLWIDGET));
  
    GtkFileChooserAction action = GetGtkFileChooserAction(mMode);
-   const gchar *accept_button = (action == GTK_FILE_CHOOSER_ACTION_SAVE)
-@@ -595,8 +615,235 @@ nsFilePicker::Done(GtkWidget* file_choos
+ 
+@@ -603,8 +623,235 @@ nsFilePicker::Done(GtkWidget* file_choos
    if (mCallback) {
      mCallback->Done(result);
      mCallback = nullptr;
@@ -3590,7 +3585,7 @@ diff --git a/xpcom/components/ManifestParser.cpp b/xpcom/components/ManifestPars
  #pragma warning(disable:4996) // VC12+ deprecates GetVersionEx
    OSVERSIONINFO info = { sizeof(OSVERSIONINFO) };
    if (GetVersionEx(&info)) {
-     nsTextFormatter::ssprintf(osVersion, MOZ_UTF16("%ld.%ld"),
+     nsTextFormatter::ssprintf(osVersion, u"%ld.%ld",
                                info.dwMajorVersion,
                                info.dwMinorVersion);
    }
@@ -3599,12 +3594,12 @@ diff --git a/xpcom/components/ManifestParser.cpp b/xpcom/components/ManifestPars
  #elif defined(MOZ_WIDGET_COCOA)
    SInt32 majorVersion = nsCocoaFeatures::OSXVersionMajor();
    SInt32 minorVersion = nsCocoaFeatures::OSXVersionMinor();
-   nsTextFormatter::ssprintf(osVersion, MOZ_UTF16("%ld.%ld"),
+   nsTextFormatter::ssprintf(osVersion, u"%ld.%ld",
                              majorVersion,
                              minorVersion);
 +  desktop = NS_LITERAL_STRING("macosx");
  #elif defined(MOZ_WIDGET_GTK)
-   nsTextFormatter::ssprintf(osVersion, MOZ_UTF16("%ld.%ld"),
+   nsTextFormatter::ssprintf(osVersion, u"%ld.%ld",
                              gtk_major_version,
                              gtk_minor_version);
 +  desktop = nsKDEUtils::kdeSession() ? NS_LITERAL_STRING("kde") : NS_LITERAL_STRING("gnome");
@@ -3614,7 +3609,7 @@ diff --git a/xpcom/components/ManifestParser.cpp b/xpcom/components/ManifestPars
      mozilla::AndroidBridge::Bridge()->GetStaticStringField("android/os/Build$VERSION",
                                                             "RELEASE",
                                                             osVersion);
-     isTablet = mozilla::widget::GeckoAppShell::IsTablet();
+     isTablet = java::GeckoAppShell::IsTablet();
    }
 +  desktop = NS_LITERAL_STRING("android");
  #endif
diff --git a/mozilla-language.patch b/mozilla-language.patch
index b874c1a..1e3a952 100644
--- a/mozilla-language.patch
+++ b/mozilla-language.patch
@@ -1,23 +1,22 @@
 # HG changeset patch
 # User Wolfgang Rosenauer <wr@rosenauer.org>
 # Parent 5a29924228527f8882c83cf62d470963ea1ce62e
-# Parent  55b6ae7fd3ebf28f960031801f1948dfc1bd80d2
+# Parent  bf7b3a5853467b34f13465102a19b9c7c2524bd4
 Bug 583793 - Firefox interface language set to LANG, ignores LANGUAGE
 
 diff --git a/intl/locale/nsLocaleService.cpp b/intl/locale/nsLocaleService.cpp
 --- a/intl/locale/nsLocaleService.cpp
 +++ b/intl/locale/nsLocaleService.cpp
-@@ -122,16 +122,17 @@ nsLocaleService::nsLocaleService(void)
+@@ -114,16 +114,17 @@ nsLocaleService::nsLocaleService(void)
+     NS_ENSURE_SUCCESS_VOID(rv);
+ #endif
+ #if defined(XP_UNIX) && !defined(XP_MACOSX)
      RefPtr<nsLocale> resultLocale(new nsLocale());
      NS_ENSURE_TRUE_VOID(resultLocale);
  
- #ifdef MOZ_WIDGET_QT
-     const char* lang = QLocale::system().name().toUtf8();
- #else
      // Get system configuration
      const char* lang = getenv("LANG");
 +    const char* language = getenv("LANGUAGE");
- #endif
  
      nsAutoString xpLocale, platformLocale;
      nsAutoString category, category_platform;
@@ -25,7 +24,8 @@ diff --git a/intl/locale/nsLocaleService.cpp b/intl/locale/nsLocaleService.cpp
  
      for( i = 0; i < LocaleListLength; i++ ) {
          nsresult result;
-@@ -158,16 +159,21 @@ nsLocaleService::nsLocaleService(void)
+         // setlocale( , "") evaluates LC_* and LANG
+@@ -149,16 +150,21 @@ nsLocaleService::nsLocaleService(void)
              } else {
                  CopyASCIItoUTF16(lang, platformLocale);
                  result = nsPosixLocale::GetXPLocale(lang, xpLocale);
diff --git a/source-stamp.txt b/source-stamp.txt
index b6e3736..fe30293 100644
--- a/source-stamp.txt
+++ b/source-stamp.txt
@@ -1,2 +1,2 @@
-REV=7356baae8e73
+REV=dc617d65c9f0
 REPO=http://hg.mozilla.org/releases/mozilla-release