diff --git a/MozillaFirefox.changes b/MozillaFirefox.changes
index c842c97..3dfdd85 100644
--- a/MozillaFirefox.changes
+++ b/MozillaFirefox.changes
@@ -1,19 +1,66 @@
 -------------------------------------------------------------------
-Wed Aug  9 09:47:39 UTC 2017 - schwab@suse.de
+Mon Sep  4 18:27:44 UTC 2017 - wr@rosenauer.org
 
-- mozilla-ucontext.patch: use ucontext_t instead of struct ucontext
+- update to Firefox 55.0.3
+  * Fix an issue with addons when using a path containing non-ascii
+    characters (bmo#1389160)
+  * Fix file uploads to some websites, including YouTube (bmo#1383518)
+- fix Google API key build integration
+- add mozilla-ucontext.patch to fix Tumbleweed build
+- do not enable XINPUT2 for now (boo#1053959)
 
 -------------------------------------------------------------------
-Tue Aug  8 18:13:34 UTC 2017 - wr@rosenauer.org
+Fri Aug 11 08:32:30 UTC 2017 - wr@rosenauer.org
 
-- update to Firefox 52.3esr (boo#1052829)
-  MFSA 2017-19
+- update to Firefox 55.0.1
+  * Fix a regression the tab restoration process (bmo#1388160)
+  * Fix a problem causing What's new pages not to be displayed (bmo#1386224)
+  * Fix a rendering issue with some PKCS#11 libraries (bmo#1388370)
+  * Disable the predictor prefetch (bmo#1388160)
+
+-------------------------------------------------------------------
+Sat Aug  5 13:22:16 UTC 2017 - wr@rosenauer.org
+
+- update to Firefox 55.0 (boo#1052829)
+  * Browsing sessions with a high number of tabs are now restored
+    in an instant
+  * Sidebar (bookmarks, history, synced tabs) can now be moved to
+    the right edge of the window
+  * Fine-tune your browser performance from the Preferences/Options page.
+  * Make screenshots of webpages, and save them locally or upload
+    them to the cloud. This feature will undergo A/B testing and
+    will not be visible for some users.
+  * Added Belarusian (be) locale
+  * Simplify print jobs from within print preview
+  * Use virtual reality devices with the web with the introduction
+    of WebVR
+  * Search suggestions are now enabled by default for users who
+    haven't explicitly opted-out
+  * Search with any installed search engine directly from the
+    location bar
+  * IMPORTANT: Breaking profile changes - do not downgrade Firefox
+    and use a profile that has been opened with Firefox 55+.
+  * The Adobe Flash plugin is now click-to-activate by default and
+    only allowed on http:// and https:// URL schemes. This change
+    will be rolled out progressively and so will not be visible to
+    all users immediately. For more information see the Firefox
+    plugin roadmap
+  * Modernized application update UI to be less intrusive and more
+    aligned with the rest of the browser. Only users who have not
+    restarted their browser 8 days after downloading an update or
+    users who opted out of automatic updates will see this change.
+  * Insecure sites can no longer access the Geolocation APIs to get
+    access to your physical location
+  * requires NSPR 4.15 and NSS 3.31
+  MFSA 2017-18
   * CVE-2017-7798 (bmo#1371586, bmo#1372112)
     XUL injection in the style editor in devtools
   * CVE-2017-7800 (bmo#1374047)
     Use-after-free in WebSockets during disconnection
   * CVE-2017-7801 (bmo#1371259)
     Use-after-free with marquee during window resizing
+  * CVE-2017-7809 (bmo#1380284)
+    Use-after-free while deleting attached editor DOM node
   * CVE-2017-7784 (bmo#1376087)
     Use-after-free with image observers
   * CVE-2017-7802 (bmo#1378147)
@@ -22,6 +69,8 @@ Tue Aug  8 18:13:34 UTC 2017 - wr@rosenauer.org
     Buffer overflow manipulating ARIA attributes in DOM
   * CVE-2017-7786 (bmo#1365189)
     Buffer overflow while painting non-displayable SVG
+  * CVE-2017-7806 (bmo#1378113)
+    Use-after-free in layer manager with SVG
   * CVE-2017-7753 (bmo#1353312)
     Out-of-bounds read with cached style data and pseudo-elements#
   * CVE-2017-7787 (bmo#1322896)
@@ -34,88 +83,75 @@ Tue Aug  8 18:13:34 UTC 2017 - wr@rosenauer.org
     Memory protection bypass through WindowsDllDetourPatcher
   * CVE-2017-7791 (bmo#1365875)
     Spoofing following page navigation with data: protocol and modal alerts
+  * CVE-2017-7808 (bmo#1367531)
+    CSP information leak with frame-ancestors containing paths
   * CVE-2017-7782 (bmo#1344034)
     WindowsDllDetourPatcher allocates memory without DEP protections
+  * CVE-2017-7781 (bmo#1352039)
+    Elliptic curve point addition error when using mixed Jacobian-affine coordinates
+  * CVE-2017-7794 (bmo#1374281)
+    Linux file truncation via sandbox broker
   * CVE-2017-7803 (bmo#1377426)
     CSP containing 'sandbox' improperly applied
+  * CVE-2017-7799 (bmo#1372509)
+    Self-XSS XUL injection in about:webrtc
+  * CVE-2017-7783 (bmo#1360842)
+    DOS attack through long username in URL
+  * CVE-2017-7788 (bmo#1073952)
+    Sandboxed about:srcdoc iframes do not inherit CSP directives
+  * CVE-2017-7789 (bmo#1074642)
+    Failure to enable HSTS when two STS headers are sent for a connection
+  * CVE-2017-7790 (bmo#1350460) (Windows-only)
+    Windows crash reporter reads extra memory for some non-null-terminated registry values
+  * CVE-2017-7796 (bmo#1234401) (Windows-only)
+    Windows updater can delete any file named update.log
+  * CVE-2017-7797 (bmo#1334776)
+    Response header name interning leaks across origins
+  * CVE-2017-7780
+    Memory safety bugs fixed in Firefox 55
   * CVE-2017-7779
     Memory safety bugs fixed in Firefox 55 and Firefox ESR 52.3
+- updated mozilla-kde.patch:
+  * removed "downloadfinished" alert as Firefox reimplemented the
+    whole thing (TODO: check if there is another function we should
+    hook in)
 
 -------------------------------------------------------------------
-Wed Jul  5 07:26:32 UTC 2017 - astieger@suse.com
+Tue Jul  4 20:08:47 UTC 2017 - wr@rosenauer.org
 
-- Mozilla Firefox 52.2.1esr:
-  * Printing text does not work on Windows when Direct2D is
-    disabled (bmo#1318845)
+- update to Firefox 54.0.1
+  * Fix a display issue of tab title (bmo#1357656)
+  * Fix a display issue of opening new tab (bmo#1371995)
+  * Fix a display issue when opening multiple tabs (bmo#1371962)
+  * Fix a tab display issue when downloading files (bmo#1373109)
+  * Fix a PDF printing issue (bmo#1366744)
+  * Fix a Netflix issue on Linux (bmo#1375708)
 
 -------------------------------------------------------------------
-Wed Jun 14 07:08:29 UTC 2017 - wr@rosenauer.org
+Thu Jun 15 13:56:05 UTC 2017 - wr@rosenauer.org
 
-- update to Firefox 52.2esr (boo#1043960)
-  MFSA 2017-16
-  * CVE-2017-5472 (bmo#1365602)
-    Use-after-free using destroyed node when regenerating trees
-  * CVE-2017-7749 (bmo#1355039)
-    Use-after-free during docshell reloading
-  * CVE-2017-7750 (bmo#1356558)
-    Use-after-free with track elements
-  * CVE-2017-7751 (bmo#1363396)
-    Use-after-free with content viewer listeners
-  * CVE-2017-7752 (bmo#1359547)
-    Use-after-free with IME input
-  * CVE-2017-7754 (bmo#1357090)
-    Out-of-bounds read in WebGL with ImageInfo object
-  * CVE-2017-7755 (bmo#1361326)
-    Privilege escalation through Firefox Installer with same
-    directory DLL files (Windows only)
-  * CVE-2017-7756 (bmo#1366595)
-    Use-after-free and use-after-scope logging XHR header errors
-  * CVE-2017-7757 (bmo#1356824)
-    Use-after-free in IndexedDB
-  * CVE-2017-7778, CVE-2017-7778, CVE-2017-7771, CVE-2017-7772,
-    CVE-2017-7773, CVE-2017-7774, CVE-2017-7775, CVE-2017-7776,
-    CVE-2017-7777
-    Vulnerabilities in the Graphite 2 library
-  * CVE-2017-7758 (bmo#1368490)
-    Out-of-bounds read in Opus encoder
-  * CVE-2017-7760 (bmo#1348645)
-    File manipulation and privilege escalation via callback parameter
-    in Mozilla Windows Updater and Maintenance Service (Windows only)
-  * CVE-2017-7761 (bmo#1215648)
-    File deletion and privilege escalation through Mozilla Maintenance
-    Service helper.exe application (Windows only)
-  * CVE-2017-7764 (bmo#1364283)
-    Domain spoofing with combination of Canadian Syllabics and other
-    unicode blocks
-  * CVE-2017-7765 (bmo#1273265)
-    Mark of the Web bypass when saving executable files (Windows only)
-  * CVE-2017-7766 (bmo#1342742)
-    File execution and privilege escalation through updater.ini,
-    Mozilla Windows Updater, and Mozilla Maintenance Service
-    (Windows only)
-  * CVE-2017-7767 (bmo#1336964)
-    Privilege escalation and arbitrary file overwrites through Mozilla
-    Windows Updater and Mozilla Maintenance Service (Windows only)
-  * CVE-2017-7768 (bmo#1336979)
-    32 byte arbitrary file read through Mozilla Maintenance Service
-    (Windows only)
-  * CVE-2017-5470
-    Memory safety bugs fixed in Firefox 54 and Firefox ESR 52.2
-- requires NSS 3.28.5
+- update to Firefox 54.0
+  * Clearer and more detailed information for download items in the
+    download panel
+  * Added Burmese (my) locale
+  * Bookmarks created on mobile devices are now shown in
+    "Mobile Bookmarks” folder in the drop down list from the toolbar
+    and Bookmarks option in the menu bar in Desktop Firefox
+  * added support for multiple content processes (e10s-multi)
+- requires NSPR 4.14 and NSS 3.30.2
+- requires rust 1.15.1
+- removed mozilla-shared-nss-db.patch as it seems to be a rather
+  unused feature
 
 -------------------------------------------------------------------
-Tue May 23 14:00:40 UTC 2017 - wr@rosenauer.org
+Thu Jun  1 04:25:05 UTC 2017 - kah0922@gmail.com
 
 - remove -fno-inline-small-functions and explicitely optimize with
   -O2 for openSUSE > 13.2/Leap 42 to work with gcc7 (boo#1040105)
 
 -------------------------------------------------------------------
-Mon May  8 08:28:17 UTC 2017 - wr@rosenauer.org
+Wed Apr 26 12:37:38 UTC 2017 - wr@rosenauer.org
 
-- update to Firefox 52.1.1
-  MFSA 2017-14
-  * CVE-2017-5031: Use after free in ANGLE (bmo#1328762)
-                   (Windows only, Linux not affected)
 - switch to Mozilla's geolocation service (boo#1026989)
 - removed mozilla-preferences.patch obsoleted by overriding via
   firefox.js
@@ -123,10 +159,27 @@ Mon May  8 08:28:17 UTC 2017 - wr@rosenauer.org
   (boo#1015998)
 
 -------------------------------------------------------------------
-Wed Apr 12 21:43:16 UTC 2017 - wr@rosenauer.org
+Mon Apr 17 12:52:10 UTC 2017 - wr@rosenauer.org
 
-- update to Firefox 52.1.0esr (boo#1035082)
-  MFSA 2017-12
+- update to Firefox 53.0
+  * requires NSS 3.29.5
+  * Lightweight themes are now applied in private browsing windows
+  * Reader Mode now displays estimated reading time for the page
+  * Two new 'compact' themes available in Firefox, dark and light,
+    based on the Firefox Developer Edition theme
+  * Ended Firefox Linux support for processors older than Pentium 4
+    and AMD Opteron
+  * Refresh of the media controls user interface
+  * Shortened titles on tabs are faded out instead of using ellipsis
+    for improved readability
+  * Media playback on new tabs is blocked until the tab is visible
+  * Permission notifications have a cleaner design and cannot be
+    easily missed
+  MFSA 2017-10
+  * CVE-2017-5456 (bmo#1344415)
+    Sandbox escape allowing local file system access
+  * CVE-2017-5442 (bmo#1347979)
+    Use-after-free during style changes
   * CVE-2017-5443 (bmo#1342661)
     Out-of-bounds write during BinHex decoding
   * CVE-2017-5429 (bmo#1341096, bmo#1342823, bmo#1343261, bmo#1348894,
@@ -158,8 +211,8 @@ Wed Apr 12 21:43:16 UTC 2017 - wr@rosenauer.org
   * CVE-2017-5445 (bmo#1344467)
     Uninitialized values used while parsing application/http-index-format
     content
-  * CVE-2017-5442 (bmo#1347979)
-    Use-after-free during style changes
+  * CVE-2017-5468 (bmo#1329521)
+    Incorrect ownership model for Private Browsing information
   * CVE-2017-5469 (bmo#1292534)
     Potential Buffer overflow in flex-generated code
   * CVE-2017-5440 (bmo#1336832)
@@ -183,36 +236,33 @@ Wed Apr 12 21:43:16 UTC 2017 - wr@rosenauer.org
   * CVE-2017-5432 (bmo#1346654)
     Use-after-free in text input selection
   * CVE-2017-5430 (bmo#1329796, bmo#1337418, bmo#1339722, bmo#1340482,
-     bmo#1342101, bmo#1344081, bmo#1344305, bmo#1344686, bmo#1346140,
-     bmo#1346419, bmo#1348143, bmo#1349621, bmo#1349719, bmo#1353476)
+     bmo#1342101, bmo#1344081, bmo#1344305, bmo#1344686,
+     bmo#1346140, bmo#1346419, bmo#1348143, bmo#1349621,
+     bmo#1349719, bmo#1353476)
     Memory safety bugs fixed in Firefox 53 and Firefox ESR 52.1
   * CVE-2017-5459 (bmo#1333858)
     Buffer overflow in WebGL
-  * CVE-2017-5462 (bmo#1345089)
-    DRBG flaw in NSS
+  * CVE-2017-5458 (bmo#1229426)
+    Drag and drop of javascript: URLs can allow for self-XSS
   * CVE-2017-5455 (bmo#1341191)
     Sandbox escape through internal feed reader APIs
   * CVE-2017-5454 (bmo#1349276)
-    Sandbox escape allowing file system read access through file
-    picker
-  * CVE-2017-5456 (bmo#1344415)
-    Sandbox escape allowing local file system access
+    Sandbox escape allowing file system read access through file picker
   * CVE-2017-5451 (bmo#1273537)
     Addressbar spoofing with onblur event
-- requires NSS 3.28.4
-- rebased patches
+  * CVE-2017-5453 (bmo#1321247)
+    HTML injection into RSS Reader feed preview page through
+    TITLE element
+  * CVE-2017-5462 (bmo#1345089)
+    DRBG flaw in NSS
+- removed browser(npapi) provides as these plugins are deprecated
+- switch used compiler to gcc5 (FF requires gcc >= 4.9 now) for
+  Leap 42
+- Gtk2 is not longer an option; switched to Gtk3
+- apply MOZ_USE_XINPUT2=1 for better touchpad and touchscreen support
+  (boo#1032003)
 
 -------------------------------------------------------------------
-Mon Apr  3 06:28:34 UTC 2017 - wr@rosenauer.org
-
-- switch package to use ESR52 branch
-  * enables plugin support by default
-  * service workers are disabled by default
-  * push notifications are disabled by default
-  * WebAssembly (wasm) is disabled
-  * Less use of multiprocess architecture Electrolysis (e10s)
-
-+-------------------------------------------------------------------
 Mon Apr  3 06:16:26 UTC 2017 - wr@rosenauer.org
 
 - update to Firefox 52.0.2
diff --git a/MozillaFirefox.spec b/MozillaFirefox.spec
index 8f6d3a4..2e80069 100644
--- a/MozillaFirefox.spec
+++ b/MozillaFirefox.spec
@@ -18,31 +18,26 @@
 
 
 # changed with every update
-%define major 52
-%define mainver %major.3.0
-%define update_channel esr52
-%define releasedate 20170807000000
+%define major 55
+%define mainver %major.0.3
+%define update_channel release
+%define branding 1
+%define releasedate 20170824000000
 
 # PIE, full relro (x86_64 for now)
 %define build_hardened 1
 
-%if 0%{?suse_version} > 1320
-%define firefox_use_gtk3 1
-%ifarch %ix86 x86_64
-%define firefox_use_rust 0
-%endif
+# Firefox only supports i686
+%ifarch %ix86
+ExclusiveArch:  i586 i686
+BuildArch:      i686
+%{expand:%%global optflags %(echo "%optflags"|sed -e s/i586/i686/) -march=i686 -mtune=generic}
 %endif
 
 # general build definitions
-%if "%{update_channel}" != "aurora"
 %define progname firefox
 %define pkgname  MozillaFirefox
 %define appname  Firefox
-%else
-%define progname firefox-dev
-%define pkgname  firefox-dev-edition
-%define appname  Firefox Developer Edition
-%endif
 %define progdir %{_prefix}/%_lib/%{progname}
 %define gnome_dir     %{_prefix}
 %define desktop_file_name %{progname}
@@ -51,15 +46,6 @@
 %define __find_requires sh %{SOURCE4}
 %global provfind sh -c "grep -v '.so' | %__find_provides"
 %global __find_provides %provfind
-# Set up Google API keys, see http://www.chromium.org/developers/how-tos/api-keys
-# Note: these are for the openSUSE Firefox builds ONLY. For your own distribution,
-# please get your own set of keys.
-%define _google_api_key AIzaSyD1hTe85_a14kr1Ks8T3Ce75rvbR1_Dx7Q
-%if %update_channel == "aurora"
-%define branding 0
-%else
-%define branding 1
-%endif
 %define localize 1
 %ifarch %ix86 x86_64
 %define crashreporter 1
@@ -72,7 +58,12 @@ BuildRequires:  Mesa-devel
 BuildRequires:  autoconf213
 BuildRequires:  dbus-1-glib-devel
 BuildRequires:  fdupes
+%if 0%{?suse_version} <= 1320
+BuildRequires:  gcc5-c++
+%else
 BuildRequires:  gcc-c++
+%endif
+BuildRequires:  cargo
 BuildRequires:  libXcomposite-devel
 BuildRequires:  libcurl-devel
 BuildRequires:  libgnomeui-devel
@@ -81,29 +72,23 @@ BuildRequires:  libiw-devel
 BuildRequires:  libnotify-devel
 BuildRequires:  libproxy-devel
 BuildRequires:  makeinfo
-BuildRequires:  mozilla-nspr-devel >= 4.13.1
-BuildRequires:  mozilla-nss-devel >= 3.28.5
-BuildRequires:  nss-shared-helper-devel
+BuildRequires:  mozilla-nspr-devel >= 4.15
+BuildRequires:  mozilla-nss-devel >= 3.31
 BuildRequires:  python-devel
+BuildRequires:  rust >= 1.15.1
+BuildRequires:  rust-std
 BuildRequires:  startup-notification-devel
 BuildRequires:  unzip
 BuildRequires:  update-desktop-files
 BuildRequires:  xorg-x11-libXt-devel
 BuildRequires:  yasm
 BuildRequires:  zip
-BuildRequires:  pkgconfig(libffi)
-BuildRequires:  pkgconfig(libpulse)
-%if 0%{?firefox_use_gtk3}
 BuildRequires:  pkgconfig(glib-2.0)
 BuildRequires:  pkgconfig(gobject-2.0)
 BuildRequires:  pkgconfig(gtk+-3.0) >= 3.4.0
 BuildRequires:  pkgconfig(gtk+-unix-print-3.0)
-%endif
-%if 0%{?firefox_use_rust}
-BuildRequires:  cargo
-BuildRequires:  rust >= 1.10
-BuildRequires:  rust-std
-%endif
+BuildRequires:  pkgconfig(libffi)
+BuildRequires:  pkgconfig(libpulse)
 # libavcodec is required for H.264 support but the
 # openSUSE version is currently not able to play H.264
 # therefore the Packman version is required
@@ -116,11 +101,8 @@ Provides:       firefox = %{mainver}
 Provides:       firefox = %{version}-%{release}
 %endif
 Provides:       web_browser
-Provides:       browser(npapi)
-%if "%{update_channel}" != "aurora"
 Provides:       appdata()
 Provides:       appdata(firefox.appdata.xml)
-%endif
 # this is needed to match this package with the kde4 helper package without the main package
 # having a hard requirement on the kde4 package
 %define kde_helper_version 6
@@ -147,10 +129,13 @@ Source14:       create-tar.sh
 Source15:       firefox-appdata.xml
 Source16:       MozillaFirefox.changes
 Source17:       l10n_changesets.txt
+# Set up API keys, see http://www.chromium.org/developers/how-tos/api-keys
+# Note: these are for the openSUSE Firefox builds ONLY. For your own distribution,
+# please get your own set of keys.
 Source18:       mozilla-api-key
+Source19:       google-api-key
 # Gecko/Toolkit
 Patch1:         mozilla-nongnome-proxies.patch
-Patch2:         mozilla-shared-nss-db.patch
 Patch3:         mozilla-kde.patch
 Patch5:         mozilla-language.patch
 Patch6:         mozilla-ntlm-full-path.patch
@@ -180,6 +165,7 @@ Obsoletes:      tracker-miner-firefox < 0.15
 %if 0%{?suse_version} < 1220
 Obsoletes:      libproxy1-pacrunner-mozjs <= 0.4.7
 %endif
+##BuildArch:      i686 x86_64 aarch64 ppc64le
 
 %description
 Mozilla Firefox is a standalone web browser, designed for standards
@@ -260,13 +246,14 @@ symbols meant for upload to Mozilla's crash collector database.
 %endif
 cd $RPM_BUILD_DIR/mozilla
 %patch1 -p1
-%patch2 -p1
 %patch3 -p1
 %patch5 -p1
 %patch6 -p1
 %patch7 -p1
 %patch8 -p1
+%ifarch %ix86
 %patch9 -p1
+%endif
 %patch10 -p1
 %patch11 -p1
 # Firefox
@@ -295,7 +282,9 @@ export MOZ_BUILD_DATE=%{releasedate}
 export MOZILLA_OFFICIAL=1
 export BUILD_OFFICIAL=1
 export MOZ_TELEMETRY_REPORTING=1
-export MOZ_GOOGLE_API_KEY=%{_google_api_key}
+%if 0%{?suse_version} <= 1320
+export CC=gcc-5
+%endif
 export CFLAGS="%{optflags} -fno-strict-aliasing"
 # boo#986541: add -fno-delete-null-pointer-checks for gcc6
 %if 0%{?suse_version} > 1320
@@ -328,14 +317,7 @@ ac_add_options --prefix=%{_prefix}
 ac_add_options --libdir=%{_libdir}
 ac_add_options --includedir=%{_includedir}
 ac_add_options --enable-release
-%if 0%{?firefox_use_rust}
-ac_add_options --enable-rust
-%endif
-%if 0%{?firefox_use_gtk3}
 ac_add_options --enable-default-toolkit=cairo-gtk3
-%else
-ac_add_options --enable-default-toolkit=cairo-gtk2
-%endif
 %if 0%{?build_hardened}
 ac_add_options --enable-pie
 %endif
@@ -367,6 +349,7 @@ ac_add_options --enable-startup-notification
 #ac_add_options --enable-chrome-format=jar
 ac_add_options --enable-update-channel=%{update_channel}
 ac_add_options --with-mozilla-api-keyfile=%{SOURCE18}
+ac_add_options --with-google-api-keyfile=%{SOURCE19}
 %if %branding
 ac_add_options --enable-official-branding
 %endif
@@ -471,10 +454,8 @@ s:%%ICON:%{progname}:g" \
 mkdir -p %{buildroot}%{_datadir}/mime/packages
 cp %{SOURCE8} %{buildroot}%{_datadir}/mime/packages/%{progname}.xml
 # appdata
-%if "%{update_channel}" != "aurora"
 mkdir -p %{buildroot}%{_datadir}/appdata
 cp %{SOURCE15} %{buildroot}%{_datadir}/appdata/%{desktop_file_name}.appdata.xml
-%endif
 # install man-page
 mkdir -p %{buildroot}%{_mandir}/man1/
 cp %{SOURCE11} %{buildroot}%{_mandir}/man1/%{progname}.1
@@ -585,10 +566,8 @@ exit 0
 %{progdir}/distribution/extensions/
 %{progdir}/defaults/
 %{progdir}/dictionaries/
-%if 0%{?firefox_use_gtk3}
 %dir %{progdir}/gtk2
 %{progdir}/gtk2/libmozgtk.so
-%endif
 %{progdir}/gmp-clearkey/
 %attr(755,root,root) %{progdir}/%{progname}.sh
 %{progdir}/firefox
@@ -600,6 +579,7 @@ exit 0
 %{progdir}/*.so
 %{progdir}/omni.ja
 %{progdir}/fonts/
+%{progdir}/pingsender
 %{progdir}/platform.ini
 %{progdir}/plugin-container
 %if %crashreporter
@@ -621,9 +601,7 @@ exit 0
 %{gnome_dir}/share/icons/hicolor/
 %{_bindir}/%{progname}
 %doc %{_mandir}/man1/%{progname}.1.gz
-%if "%{update_channel}" != "aurora"
 %{_datadir}/appdata/
-%endif
 
 %files devel
 %defattr(-,root,root)
diff --git a/_constraints b/_constraints
index 57c2694..e38f9de 100644
--- a/_constraints
+++ b/_constraints
@@ -2,10 +2,10 @@
 <constraints>
   <hardware>
     <disk>
-      <size unit="G">13</size>
+      <size unit="G">18</size>
     </disk>
     <memory>
-      <size unit="M">6000</size>
+      <size unit="M">7000</size>
     </memory>
   </hardware>
   <overwrite>
diff --git a/compare-locales.tar.xz b/compare-locales.tar.xz
index eb66ea3..c909ddc 100644
--- a/compare-locales.tar.xz
+++ b/compare-locales.tar.xz
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:0c012241138a66dea1995518f245898791d94cb31d11b2472c889dbe464418bb
-size 28392
+oid sha256:8ab1d8d34c78ec2a2acae648582d499c8d2c80b496c6e33016c51acf1dfb25e3
+size 28364
diff --git a/create-tar.sh b/create-tar.sh
index f24c3ea..ad8458a 100644
--- a/create-tar.sh
+++ b/create-tar.sh
@@ -5,10 +5,10 @@
 # "moz_source_stamp": "c1de04f39fa956cfce83f6065b0e709369215ed5"
 # http://ftp.mozilla.org/pub/firefox/candidates/48.0-candidates/build2/l10n_changesets.txt
 
-CHANNEL="esr52"
+CHANNEL="release"
 BRANCH="releases/mozilla-$CHANNEL"
-RELEASE_TAG="FIREFOX_52_3_0esr_RELEASE"
-VERSION="52.3.0"
+RELEASE_TAG="FIREFOX_55_0_3_RELEASE"  # 55.0.3 build2
+VERSION="55.0.3"
 
 # mozilla
 if [ -d mozilla ]; then
@@ -62,7 +62,7 @@ for locale in $(awk '{ print $1; }' mozilla/browser/locales/shipped-locales); do
       echo "reading changeset information for $locale"
       _changeset=$(grep ^$locale l10n_changesets.txt | awk '{ print $2; }')
       echo "fetching $locale changeset $_changeset ..."
-      hg clone http://hg.mozilla.org/releases/l10n/mozilla-release/$locale l10n/$locale
+      hg clone http://hg.mozilla.org/releases/l10n/mozilla-$CHANNEL/$locale l10n/$locale
       [ "$RELEASE_TAG" == "default" ] || hg -R l10n/$locale up -C -r $_changeset
       ;;
   esac
diff --git a/firefox-52.3.0-source.tar.xz b/firefox-52.3.0-source.tar.xz
deleted file mode 100644
index f45968b..0000000
--- a/firefox-52.3.0-source.tar.xz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:81cda681a593c1737ff6a448e73288beab6e1499f638002f5cfaa6726896420b
-size 223189032
diff --git a/firefox-55.0.3-source.tar.xz b/firefox-55.0.3-source.tar.xz
new file mode 100644
index 0000000..a08b633
--- /dev/null
+++ b/firefox-55.0.3-source.tar.xz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:3f128780884d758bc065642534ae736a7200bcec5913794505b32e5ebcc80608
+size 249204976
diff --git a/firefox-branded-icons.patch b/firefox-branded-icons.patch
index d468532..f4aa29c 100644
--- a/firefox-branded-icons.patch
+++ b/firefox-branded-icons.patch
@@ -1,11 +1,11 @@
 # HG changeset patch
 # Parent e0751ad74e835e80041a61ea00c2a63bf6fbe2de
-# Parent  2bffb52e07b587a6c755d67c6fc971fed6509783
+# Parent  6309c3625e39216f9cf5a7a35cbf6932adfabc1d
 
 diff --git a/browser/branding/branding-common.mozbuild b/browser/branding/branding-common.mozbuild
 --- a/browser/branding/branding-common.mozbuild
 +++ b/browser/branding/branding-common.mozbuild
-@@ -34,18 +34,24 @@ def FirefoxBranding():
+@@ -41,18 +41,24 @@ def FirefoxBranding():
              'disk.icns',
              'document.icns',
              'dsstore',
@@ -33,8 +33,8 @@ diff --git a/browser/branding/branding-common.mozbuild b/browser/branding/brandi
 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
-@@ -650,18 +650,21 @@
- @RESPATH@/browser/extensions/{972ce4c6-7e08-4474-a285-3208198ce6fd}/icon.png
+@@ -599,18 +599,21 @@
+ @RESPATH@/browser/extensions/{972ce4c6-7e08-4474-a285-3208198ce6fd}/chrome.manifest
  @RESPATH@/browser/extensions/{972ce4c6-7e08-4474-a285-3208198ce6fd}/install.rdf
  @RESPATH@/chrome/toolkit@JAREXT@
  @RESPATH@/chrome/toolkit.manifest
diff --git a/firefox-kde.patch b/firefox-kde.patch
index 939353d..a0bc743 100644
--- a/firefox-kde.patch
+++ b/firefox-kde.patch
@@ -1,11 +1,11 @@
 # HG changeset patch
-# Parent  1c4e33861cfcffe5a189802cf97957b0701260db
+# Parent  9ccba8e6b5fad738ce924ff40b4c5aa6f4bc12dd
 
 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 +1,1134 @@
+@@ -0,0 +1,1306 @@
 +#filter substitution
 +<?xml version="1.0"?>
 +# -*- Mode: HTML -*-
@@ -17,11 +17,9 @@ new file mode 100644
 +<?xml-stylesheet href="chrome://browser/content/browser.css" type="text/css"?>
 +<?xml-stylesheet href="chrome://browser/content/places/places.css" type="text/css"?>
 +<?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/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"?>
 +
 +<?xul-overlay href="chrome://global/content/editMenuOverlay.xul"?>
 +<?xul-overlay href="chrome://browser/content/baseMenuOverlay.xul"?>
@@ -35,6 +33,7 @@ new file mode 100644
 +        xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
 +        xmlns:svg="http://www.w3.org/2000/svg"
 +        xmlns:html="http://www.w3.org/1999/xhtml"
++        xmlns:xul="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
 +        xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
 +        onload="gBrowserInit.onLoad()" onunload="gBrowserInit.onUnload()" onclose="return WindowIsClosing();"
 +        title="&mainWindow.title;"
@@ -61,7 +60,6 @@ new file mode 100644
 +#endif
 +        titlemenuseparator="&mainWindow.titlemodifiermenuseparator;"
 +        lightweightthemes="true"
-+        lightweightthemesfooter="browser-bottombox"
 +        windowtype="navigator:browser"
 +        macanimationtype="document"
 +        screenX="4" screenY="4"
@@ -116,7 +114,7 @@ new file mode 100644
 +      <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);"/>
++                   onpopupshowing="gSync.populateSendTabToDevicesMenu(event.target, TabContextMenu.contextTab.linkedBrowser.currentURI.spec, TabContextMenu.contextTab.linkedBrowser.contentTitle);"/>
 +      </menu>
 +      <menuseparator/>
 +      <menuitem id="context_reloadAllTabs" label="&reloadAllTabs.label;" accesskey="&reloadAllTabs.accesskey;"
@@ -155,7 +153,8 @@ new file mode 100644
 +           noautofocus="true"
 +           hidden="true"
 +           overflowpadding="4"
-+           norolluponanchor="true" />
++           norolluponanchor="true"
++           nomaxresults="true" />
 +
 +    <!-- for search with one-off buttons -->
 +    <panel type="autocomplete" id="PopupSearchAutoComplete" noautofocus="true" hidden="true"/>
@@ -174,9 +173,10 @@ new file mode 100644
 +           hidden="true"
 +           orient="vertical"
 +           noautofocus="true"
++           noautohide="true"
 +           consumeoutsideclicks="false"
-+           level="parent">
-+      <iframe id="dateTimePopupFrame"/>
++           level="parent"
++           tabspecific="true">
 +    </panel>
 +
 +    <!-- for select dropdowns. The menupopup is what shows the list of options,
@@ -186,6 +186,7 @@ new file mode 100644
 +    <menulist popuponly="true" id="ContentSelectDropdown" hidden="true">
 +      <menupopup rolluponmousewheel="true"
 +                 activateontab="true" position="after_start"
++                 level="parent"
 +#ifdef XP_WIN
 +                 consumeoutsideclicks="false" ignorekeys="shortcuts"
 +#endif
@@ -296,10 +297,53 @@ new file mode 100644
 +      </hbox>
 +      <hbox id="share-container" flex="1"/>
 +    </panel>
++    <panel id="sidebarMenu-popup"
++           class="cui-widget-panel"
++           role="group"
++           type="arrow"
++           hidden="true"
++           flip="slide"
++           orient="vertical"
++           position="bottomcenter topleft">
++      <toolbarbutton id="sidebar-switcher-bookmarks"
++                     class="subviewbutton subviewbutton-iconic"
++                     key="viewBookmarksSidebarKb"
++                     observes="viewBookmarksSidebar"
++                     oncommand="SidebarUI.show('viewBookmarksSidebar');">
++         <observes element="viewBookmarksSidebar" attribute="checked"/>
++       </toolbarbutton>
++      <toolbarbutton id="sidebar-switcher-history"
++                     label="&historyButton.label;"
++                     class="subviewbutton subviewbutton-iconic"
++                     key="key_gotoHistory"
++                     observes="viewHistorySidebar"
++                     oncommand="SidebarUI.show('viewHistorySidebar');">
++         <observes element="viewHistorySidebar" attribute="checked"/>
++       </toolbarbutton>
++      <toolbarbutton id="sidebar-switcher-tabs"
++                     label="&syncedTabs.sidebar.label;"
++                     class="subviewbutton subviewbutton-iconic"
++                     observes="viewTabsSidebar"
++                     oncommand="SidebarUI.show('viewTabsSidebar');">
++         <observes element="viewTabsSidebar" attribute="checked"/>
++       </toolbarbutton>
++      <toolbarseparator/>
++      <vbox id="sidebar-extensions"></vbox>
++      <toolbarseparator/>
++      <toolbarbutton id="sidebar-reverse-position"
++                     class="subviewbutton"
++                     oncommand="SidebarUI.reversePosition()"/>
++      <toolbarseparator/>
++      <toolbarbutton label="&sidebarMenuClose.label;"
++                     class="subviewbutton"
++                     oncommand="SidebarUI.hide()"/>
++    </panel>
 +
 +    <menupopup id="toolbar-context-menu"
 +               onpopupshowing="onViewToolbarsPopupShowing(event, document.getElementById('viewToolbarsMenuSeparator'));">
 +      <menuitem oncommand="gCustomizeMode.addToPanel(document.popupNode)"
++                photonaccesskey="&customizeMenu.pinToOverflowMenu.accesskey;"
++                photonlabel="&customizeMenu.pinToOverflowMenu.label;"
 +                accesskey="&customizeMenu.moveToPanel.accesskey;"
 +                label="&customizeMenu.moveToPanel.label;"
 +                contexttype="toolbaritem"
@@ -411,6 +455,58 @@ new file mode 100644
 +      </hbox>
 +    </panel>
 +
++    <panel id="page-action-panel"
++           class="cui-widget-panel"
++           role="group"
++           type="arrow"
++           hidden="true"
++           flip="slide"
++           position="bottomcenter topright"
++           noautofocus="true">
++      <photonpanelmultiview id="page-action-multiView"
++                            mainViewId="page-action-mainView">
++        <panelview id="page-action-mainView"
++                   class="PanelUI-subView">
++          <vbox class="panel-subview-body">
++            <toolbarbutton id="page-action-bookmark-button"
++                           class="subviewbutton subviewbutton-iconic"
++                           observes="bookmarkThisPageBroadcaster"
++                           command="Browser:AddBookmarkAs"
++                           onclick="gPageActionButton.panel.hidePopup();"/>
++            <toolbarseparator/>
++            <toolbarbutton id="page-action-copy-url-button"
++                           class="subviewbutton subviewbutton-iconic"
++                           label="&copyURLCmd.label;"
++                           command="PageAction:copyURL"/>
++            <toolbarbutton id="page-action-email-link-button"
++                           class="subviewbutton subviewbutton-iconic"
++                           label="&emailPageCmd.label;"
++                           command="PageAction:emailLink"/>
++            <toolbarbutton id="page-action-send-to-device-button"
++                           class="subviewbutton subviewbutton-iconic subviewbutton-nav"
++                           label="&sendToDevice.label;"
++                           closemenu="none"
++                           oncommand="gPageActionButton.showSendToDeviceView(this);"/>
++          </vbox>
++        </panelview>
++        <panelview id="page-action-sendToDeviceView"
++                   class="PanelUI-subView"
++                   title="&sendToDevice.viewTitle;">
++          <vbox id="page-action-sendToDeviceView-body" class="panel-subview-body">
++            <toolbarbutton id="page-action-sendToDevice-fxa-button"
++                           class="subviewbutton subviewbutton-iconic"
++                           label="&syncBrand.fxAccount.label;"
++                           shortcut="&sendToDevice.fxaRequired.label;"
++                           oncommand="gPageActionButton.fxaButtonClicked();"/>
++            <toolbarbutton id="page-action-no-devices-button"
++                           class="subviewbutton"
++                           label="&sendToDevice.noDevices.label;"
++                           disabled="true"/>
++          </vbox>
++        </panelview>
++      </photonpanelmultiview>
++    </panel>
++
 +    <!-- Bookmarks and history tooltip -->
 +    <tooltip id="bhTooltip"/>
 +
@@ -483,6 +579,13 @@ new file mode 100644
 +                accesskey="&syncedTabs.context.copy.accesskey;"
 +                id="syncedTabsCopySelected"/>
 +      <menuseparator/>
++      <menuitem label="&syncedTabs.context.openAllInTabs.label;"
++                accesskey="&syncedTabs.context.openAllInTabs.accesskey;"
++                id="syncedTabsOpenAllInTabs"/>
++      <menuitem label="&syncedTabs.context.managedevices.label;"
++                accesskey="&syncedTabs.context.managedevices.accesskey;"
++                id="syncedTabsManageDevices"
++                oncommand="gSync.openDevicesManagementPage('syncedtabs-sidebar');"/>
 +      <menuitem label="&syncSyncNowItem.label;"
 +                accesskey="&syncSyncNowItem.accesskey;"
 +                id="syncedTabsRefresh"/>
@@ -515,6 +618,7 @@ new file mode 100644
 +                id="syncedTabsRefreshFilter"/>
 +    </menupopup>
 +  </popupset>
++  <box id="appMenu-viewCache" hidden="true"/>
 +
 +#ifdef CAN_DRAW_IN_TITLEBAR
 +<vbox id="titlebar">
@@ -554,10 +658,8 @@ new file mode 100644
 +#ifdef MENUBAR_CAN_AUTOHIDE
 +             toolbarname="&menubarCmd.label;"
 +             accesskey="&menubarCmd.accesskey;"
-+#if defined(MOZ_WIDGET_GTK)
 +             autohide="true"
 +#endif
-+#endif
 +             context="toolbar-context-menu">
 +      <toolbaritem id="menubar-items" align="center">
 +# The entire main menubar is placed into browser-menubar.inc, so that it can be shared by
@@ -620,7 +722,6 @@ new file mode 100644
 +        <menupopup id="alltabs-popup"
 +                   position="after_end">
 +          <menuitem id="alltabs_undoCloseTab"
-+                    class="menuitem-iconic"
 +                    key="key_undoCloseTab"
 +                    label="&undoCloseTab.label;"
 +                    observes="History:UndoCloseTab"/>
@@ -668,18 +769,43 @@ new file mode 100644
 +                     removable="false"
 +                     class="chromeclass-location" overflows="false">
 +          <toolbarbutton id="back-button" class="toolbarbutton-1 chromeclass-toolbar-additional"
++                         removable="false" overflows="false"
 +                         label="&backCmd.label;"
 +                         command="Browser:BackOrBackDuplicate"
 +                         onclick="checkForMiddleClick(this, event);"
 +                         tooltip="back-button-tooltip"
 +                         context="backForwardMenu"/>
++#ifdef MOZ_PHOTON_THEME
++          <toolbarbutton id="forward-button" class="toolbarbutton-1 chromeclass-toolbar-additional"
++                         removable="false" overflows="false"
++                         label="&forwardCmd.label;"
++                         command="Browser:ForwardOrForwardDuplicate"
++                         onclick="checkForMiddleClick(this, event);"
++                         tooltip="forward-button-tooltip"
++                         context="backForwardMenu"/>
++          <toolbaritem id="stop-reload-button"
++                       removable="false" overflows="false"
++                       class="chromeclass-toolbar-additional">
++            <toolbarbutton id="reload-button"
++                           class="toolbarbutton-1"
++                           command="Browser:ReloadOrDuplicate"
++                           onclick="checkForMiddleClick(this, event);"
++                           tooltip="dynamic-shortcut-tooltip"/>
++            <toolbarbutton id="stop-button"
++                           class="toolbarbutton-1"
++                           command="Browser:Stop"
++                           tooltip="dynamic-shortcut-tooltip"/>
++          </toolbaritem>
++#endif
 +          <hbox id="urlbar-wrapper" flex="1">
++#ifndef MOZ_PHOTON_THEME
 +            <toolbarbutton id="forward-button" class="toolbarbutton-1 chromeclass-toolbar-additional"
 +                           label="&forwardCmd.label;"
 +                           command="Browser:ForwardOrForwardDuplicate"
 +                           onclick="checkForMiddleClick(this, event);"
 +                           tooltip="forward-button-tooltip"
 +                           context="backForwardMenu"/>
++#endif
 +            <textbox id="urlbar" flex="1"
 +                     placeholder="&urlbar.placeholder2;"
 +                     type="autocomplete"
@@ -709,6 +835,7 @@ new file mode 100644
 +                       consumeanchor="identity-box"
 +                       onclick="PageProxyClickHandler(event);"/>
 +                <image id="sharing-icon" mousethrough="always"/>
++                <image id="tracking-protection-icon"/>
 +                <box id="blocked-permissions-container" align="center">
 +                  <image data-permission-id="geo" class="blocked-permission-icon geo-icon" role="button"
 +                         tooltiptext="&urlbar.geolocationBlocked.tooltip;"/>
@@ -722,6 +849,8 @@ new file mode 100644
 +                         tooltiptext="&urlbar.microphoneBlocked.tooltip;"/>
 +                  <image data-permission-id="screen" class="blocked-permission-icon screen-icon" role="button"
 +                         tooltiptext="&urlbar.screenBlocked.tooltip;"/>
++                  <image data-permission-id="persistent-storage" class="blocked-permission-icon persistent-storage-icon" role="button"
++                         tooltiptext="&urlbar.persistentStorageBlocked.tooltip;"/>
 +                </box>
 +                <box id="notification-popup-box"
 +                     hidden="true"
@@ -738,8 +867,11 @@ new file mode 100644
 +                         tooltiptext="&urlbar.indexedDBNotificationAnchor.tooltip;"/>
 +                  <image id="password-notification-icon" class="notification-anchor-icon login-icon" role="button"
 +                         tooltiptext="&urlbar.passwordNotificationAnchor.tooltip;"/>
-+                  <image id="plugins-notification-icon" class="notification-anchor-icon plugin-icon" role="button"
-+                         tooltiptext="&urlbar.pluginsNotificationAnchor.tooltip;"/>
++                  <stack id="plugins-notification-icon" class="notification-anchor-icon" role="button" align="center"
++                         tooltiptext="&urlbar.pluginsNotificationAnchor.tooltip;">
++                    <image class="plugin-icon" />
++                    <image id="plugin-icon-badge" />
++                  </stack>
 +                  <image id="web-notifications-notification-icon" class="notification-anchor-icon desktop-notification-icon" role="button"
 +                         tooltiptext="&urlbar.webNotificationAnchor.tooltip;"/>
 +                  <image id="webRTC-shareDevices-notification-icon" class="notification-anchor-icon camera-icon" role="button"
@@ -756,9 +888,13 @@ new file mode 100644
 +                         tooltiptext="&urlbar.translatedNotificationAnchor.tooltip;"/>
 +                  <image id="eme-notification-icon" class="notification-anchor-icon drm-icon" role="button"
 +                         tooltiptext="&urlbar.emeNotificationAnchor.tooltip;"/>
++                  <image id="persistent-storage-notification-icon" class="notification-anchor-icon persistent-storage-icon" role="button"
++                         tooltiptext="&urlbar.persistentStorageNotificationAnchor.tooltip;"/>
 +                </box>
-+                <image id="tracking-protection-icon"/>
 +                <image id="connection-icon"/>
++                <image id="extension-icon"/>
++                <image id="remote-control-icon"
++                       tooltiptext="&urlbar.remoteControlNotificationAnchor.tooltip;"/>
 +                <hbox id="identity-icon-labels">
 +                  <label id="identity-icon-label" class="plain" flex="1"/>
 +                  <label id="identity-icon-country-label" class="plain"/>
@@ -780,26 +916,33 @@ new file mode 100644
 +                       onclick="ReaderParent.buttonClick(event);"/>
 +                <toolbarbutton id="urlbar-zoom-button"
 +                       onclick="FullZoom.reset();"
-+                       tooltiptext="&urlbar.zoomReset.tooltip;"
++                       tooltip="dynamic-shortcut-tooltip"
 +                       hidden="true"/>
 +              </hbox>
 +              <hbox id="userContext-icons" hidden="true">
 +                <label id="userContext-label"/>
 +                <image id="userContext-indicator"/>
 +              </hbox>
++#ifndef MOZ_PHOTON_THEME
 +              <toolbarbutton id="urlbar-go-button"
 +                             class="chromeclass-toolbar-additional"
 +                             onclick="gURLBar.handleCommand(event);"
 +                             tooltiptext="&goEndCap.tooltip;"/>
-+              <toolbarbutton id="urlbar-reload-button"
++              <toolbarbutton id="reload-button"
 +                             class="chromeclass-toolbar-additional"
 +                             command="Browser:ReloadOrDuplicate"
 +                             onclick="checkForMiddleClick(this, event);"
-+                             tooltiptext="&reloadButton.tooltip;"/>
-+              <toolbarbutton id="urlbar-stop-button"
++                             tooltip="dynamic-shortcut-tooltip"/>
++              <toolbarbutton id="stop-button"
 +                             class="chromeclass-toolbar-additional"
 +                             command="Browser:Stop"
-+                             tooltiptext="&stopButton.tooltip;"/>
++                             tooltip="dynamic-shortcut-tooltip"/>
++#else
++              <toolbarbutton id="urlbar-page-action-button"
++                             class="chromeclass-toolbar-additional"
++                             tooltiptext="&pageActionButton.tooltip;"
++                             onclick="gPageActionButton.onEvent(event);"/>
++#endif
 +            </textbox>
 +          </hbox>
 +        </toolbaritem>
@@ -886,6 +1029,19 @@ new file mode 100644
 +                                           new PlacesMenu(event, 'place:folder=UNFILED_BOOKMARKS',
 +                                                          PlacesUIUtils.getViewForNode(this.parentNode.parentNode).options);"/>
 +            </menu>
++            <menu id="BMB_mobileBookmarks"
++                  class="menu-iconic bookmark-item subviewbutton"
++                  label="&bookmarksMenuButton.mobile.label;"
++                  hidden="true"
++                  container="true">
++              <menupopup id="BMB_mobileBookmarksPopup"
++                         placespopup="true"
++                         context="placesContext"
++                         onpopupshowing="if (!this.parentNode._placesView)
++                                           new PlacesMenu(event, 'place:folder=MOBILE_BOOKMARKS',
++                                                          PlacesUIUtils.getViewForNode(this.parentNode.parentNode).options);"/>
++            </menu>
++
 +            <menuseparator/>
 +            <!-- Bookmarks menu items will go here -->
 +            <menuitem id="BMB_bookmarksShowAll"
@@ -1037,7 +1193,7 @@ new file mode 100644
 +
 +      <toolbarbutton id="new-window-button" class="toolbarbutton-1 chromeclass-toolbar-additional"
 +                     label="&newNavigatorCmd.label;"
-+                     command="key_newNavigator"
++                     command="cmd_newNavigator"
 +                     tooltip="dynamic-shortcut-tooltip"
 +                     ondrop="newWindowButtonObserver.onDrop(event)"
 +                     ondragover="newWindowButtonObserver.onDragOver(event)"
@@ -1049,6 +1205,11 @@ new file mode 100644
 +                     type="checkbox"
 +                     label="&fullScreenCmd.label;"
 +                     tooltip="dynamic-shortcut-tooltip"/>
++#ifdef MOZ_PHOTON_THEME
++      <toolbarbutton id="library-button" class="toolbarbutton-1 chromeclass-toolbar-additional"
++                     oncommand="PanelUI.showSubView('appMenu-libraryView', this, null, true);"
++                     label="&places.library.title;"/>
++#endif
 +    </toolbarpalette>
 +  </toolbox>
 +
@@ -1059,9 +1220,18 @@ new file mode 100644
 +      <vbox id="browser-border-start" hidden="true" layer="true"/>
 +      <vbox id="sidebar-box" hidden="true" class="chromeclass-extrachrome">
 +        <sidebarheader id="sidebar-header" align="center">
-+          <label id="sidebar-title" persist="value" flex="1" crop="end" control="sidebar"/>
++          <toolbarbutton id="sidebar-switcher-target" flex="1" class="tabbable">
++            <image id="sidebar-icon" consumeanchor="sidebar-switcher-target"/>
++            <label id="sidebar-title" persist="value" crop="end" flex="1" control="sidebar"/>
++            <image id="sidebar-switcher-arrow"/>
++          </toolbarbutton>
 +          <image id="sidebar-throbber"/>
-+          <toolbarbutton class="close-icon tabbable" tooltiptext="&sidebarCloseButton.tooltip;" oncommand="SidebarUI.hide();"/>
++# To ensure the button label's intrinsic width doesn't expand the sidebar
++# if the label is long, the button needs flex=1.
++# To ensure the button doesn't expand unnecessarily for short labels, the
++# spacer should significantly out-flex the button.
++          <spacer flex="1000"/>
++          <toolbarbutton id="sidebar-close" class="tabbable" tooltiptext="&sidebarCloseButton.tooltip;" oncommand="SidebarUI.hide();"/>
 +        </sidebarheader>
 +        <browser id="sidebar" flex="1" autoscroll="false" disablehistory="true" disablefullscreen="true"
 +                  style="min-width: 14em; width: 18em; max-width: 36em;" tooltip="aHTMLTooltip"/>
@@ -1119,6 +1289,7 @@ new file mode 100644
 +
 +  <svg:svg height="0">
 +#include tab-shape.inc.svg
++#ifndef MOZ_PHOTON_THEME
 +    <svg:clipPath id="urlbar-back-button-clip-path">
 +#ifndef XP_MACOSX
 +      <svg:path d="M -9,-4 l 0,1 a 15 15 0 0,1 0,30 l 0,1 l 10000,0 l 0,-32 l -10000,0 z" />
@@ -1131,6 +1302,7 @@ new file mode 100644
 +      <svg:path d="M -6,-2 l 0,1 a 15 15 0 0,1 0,30 l 0,1 l 10000,0 l 0,-32 l -10000,0 z" />
 +    </svg:clipPath>
 +#endif
++#endif
 +  </svg:svg>
 +
 +</vbox>
@@ -1143,7 +1315,7 @@ 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
-@@ -66,16 +66,18 @@ browser.jar:
+@@ -58,16 +58,18 @@ browser.jar:
          content/browser/aboutSocialError.xhtml        (content/aboutSocialError.xhtml)
          content/browser/aboutProviderDirectory.xhtml  (content/aboutProviderDirectory.xhtml)
          content/browser/aboutTabCrashed.css           (content/aboutTabCrashed.css)
@@ -1159,7 +1331,7 @@ diff --git a/browser/base/jar.mn b/browser/base/jar.mn
          content/browser/browser-ctrlTab.js            (content/browser-ctrlTab.js)
          content/browser/browser-customization.js      (content/browser-customization.js)
          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-compacttheme.js       (content/browser-compacttheme.js)
          content/browser/browser-feeds.js              (content/browser-feeds.js)
          content/browser/browser-fullScreenAndPointerLock.js  (content/browser-fullScreenAndPointerLock.js)
 diff --git a/browser/components/build/nsModule.cpp b/browser/components/build/nsModule.cpp
@@ -1225,30 +1397,31 @@ diff --git a/browser/components/build/nsModule.cpp b/browser/components/build/ns
 diff --git a/browser/components/preferences/in-content/main.js b/browser/components/preferences/in-content/main.js
 --- a/browser/components/preferences/in-content/main.js
 +++ b/browser/components/preferences/in-content/main.js
-@@ -33,16 +33,22 @@ var gMainPane = {
-       if (AppConstants.platform == "win") {
-         // In Windows 8 we launch the control panel since it's the only
+@@ -39,16 +39,23 @@ var gMainPane = {
          // way to get all file type association prefs. So we don't know
          // 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.
          window.setInterval(this.updateSetDefaultBrowser.bind(this), 1000);
        }
-+
-+    var env = Components.classes["@mozilla.org/process/environment;1"]
-+                          .getService(Components.interfaces.nsIEnvironment);
-+    var kde_session = 0;
-+    if (env.get('KDE_FULL_SESSION') == "true")
-+        kde_session = 1;
      }
  
-     // set up the "use current page" label-changing listener
-     this._updateUseCurrentButton();
-     window.addEventListener("focus", this._updateUseCurrentButton.bind(this), false);
++    var env = Components.classes["@mozilla.org/process/environment;1"]
++      .getService(Components.interfaces.nsIEnvironment);
++    var kde_session = 0;
++    if (env.get('KDE_FULL_SESSION') == "true") {
++      kde_session = 1;
++    }
++
+     this.buildContentProcessCountMenuList();
+     this.updateDefaultPerformanceSettingsPref();
  
-     this.updateBrowserStartupLastSession();
- 
-@@ -704,16 +710,27 @@ var gMainPane = {
+     let defaultPerformancePref =
+       document.getElementById("browser.preferences.defaultPerformanceSettings.enabled");
+     defaultPerformancePref.addEventListener("change", () => {
+       this.updatePerformanceSettingsBox({duringChangeEvent: true});
+     });
+@@ -780,16 +787,27 @@ var gMainPane = {
        let alwaysCheckPref = document.getElementById("browser.shell.checkDefaultBrowser");
        alwaysCheckPref.value = true;
  
@@ -1279,7 +1452,7 @@ diff --git a/browser/components/preferences/in-content/main.js b/browser/compone
 diff --git a/browser/components/shell/moz.build b/browser/components/shell/moz.build
 --- a/browser/components/shell/moz.build
 +++ b/browser/components/shell/moz.build
-@@ -34,16 +34,18 @@ if CONFIG['OS_ARCH'] == 'WINNT':
+@@ -37,16 +37,18 @@ if CONFIG['OS_ARCH'] == 'WINNT':
      ]
  elif CONFIG['MOZ_WIDGET_TOOLKIT'] == 'cocoa':
      SOURCES += [
@@ -1561,7 +1734,7 @@ new file mode 100644
 +NS_GENERIC_FACTORY_CONSTRUCTOR_INIT(nsGNOMEShellService, Init)
 +NS_GENERIC_FACTORY_CONSTRUCTOR_INIT(nsKDEShellService, Init)
 +
-+NS_METHOD
++NS_IMETHODIMP
 +nsUnixShellServiceConstructor(nsISupports *aOuter, REFNSIID aIID, void **aResult)
 +{
 +    if( nsKDEUtils::kdeSupport())
@@ -1584,28 +1757,29 @@ new file mode 100644
 +
 +#include "nsIGNOMEShellService.h"
 +
-+NS_METHOD
++NS_IMETHODIMP
 +nsUnixShellServiceConstructor(nsISupports *aOuter, REFNSIID aIID, void **aResult);
 +
 +#endif // nsunixshellservice_h____
 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
-@@ -652,16 +652,17 @@
- @RESPATH@/greprefs.js
- @RESPATH@/defaults/autoconfig/prefcalls.js
- @RESPATH@/browser/defaults/permissions
+@@ -662,16 +662,18 @@
+ @RESPATH@/browser/defaults/blocklists
+ @RESPATH@/browser/defaults/pinning
  
  ; Warning: changing the path to channel-prefs.js can cause bugs (Bug 756325)
  ; Technically this is an app pref file, but we are keeping it in the original
  ; gre location for now.
  @RESPATH@/defaults/pref/channel-prefs.js
+ 
 +@BINPATH@/defaults/pref/kde.js
++
+ ; Remote control protocol prefs
+ ; defined in ../../testing/marionette/prefs/marionette.js
+ @RESPATH@/defaults/pref/marionette.js
  
  ; Services (gre) prefs
  @RESPATH@/defaults/pref/services-sync.js
  
  ; [Layout Engine Resources]
- ; Style Sheets, Graphics and other Resources used by the layout engine.
- @RESPATH@/res/EditorOverride.css
- @RESPATH@/res/contenteditable.css
diff --git a/google-api-key b/google-api-key
new file mode 100644
index 0000000..b081a49
--- /dev/null
+++ b/google-api-key
@@ -0,0 +1 @@
+AIzaSyD1hTe85_a14kr1Ks8T3Ce75rvbR1_Dx7Q
diff --git a/l10n-52.3.0.tar.xz b/l10n-52.3.0.tar.xz
deleted file mode 100644
index 7b8c734..0000000
--- a/l10n-52.3.0.tar.xz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:20761eb9dd53c5880410fa1a94574f14b75e443b5bc8efe383d27c40a3e241c9
-size 45075116
diff --git a/l10n-55.0.3.tar.xz b/l10n-55.0.3.tar.xz
new file mode 100644
index 0000000..b04d50e
--- /dev/null
+++ b/l10n-55.0.3.tar.xz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:9fbaebedf8a157d402467a75b015868951567deb369b68b5e8c4fc823ce2ec79
+size 46655584
diff --git a/l10n_changesets.txt b/l10n_changesets.txt
index ed4ddc2..5b1b094 100644
--- a/l10n_changesets.txt
+++ b/l10n_changesets.txt
@@ -1,93 +1,96 @@
-ach 34c236a22596
-af 90f7ccd90de4
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-en-GB 3b1783bdb6fd
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-es-AR adc3a9f3054e
-es-CL 8ce5a00c2709
-es-ES 3debdad3d876
-es-MX c2d80c000c8c
-et 5ce460a1227b
-eu 55202a38f74c
-fa de4daf555606
-ff 98974e0270a8
-fi 903b0416494a
-fr 7e9efb5f39b1
-fy-NL 551f14553b31
-ga-IE 94a750872504
-gd b2e4e78a85cf
-gl 79eda21c5b0b
-gn 8448413afd01
-gu-IN ef0d3c1d041a
-he 31df213cf89d
-hi-IN 6578b433d66e
-hr 77f103c07be0
-hsb 99f7c592ff8c
-hu 7ec46b30e96d
-hy-AM ee9609100a98
-id 584289a98164
-is 0de2039f0ead
-it 81a6b9f3a701
-ja 289cc8d9b658
-ja-JP-mac 1dc42d8f8c6b
-ka fd11643d032b
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-kk bbde07088662
-km 1d78cae948e2
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-ml 3ac6473b90b8
-mr 9c8106a513fd
-ms f5ed710c8534
-nb-NO c84b8fb6b939
-nl b3c2ab953068
-nn-NO bc795ce8885a
-or ad0d79e1df34
-pa-IN 7a7d721c7f47
-pl 42ea1da43a3b
-pt-BR e9eaef0caba5
-pt-PT 5deb6216933d
-rm 4981325b9462
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-ru 3d319dcf82c7
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-sk 968ee9fbd8ba
-sl e398e25297bc
-son a071d439a5f3
-sq ab626a887267
-sr 3fb1197cc3f3
-sv-SE 2d93a3f0c284
-ta e5fbcf49496f
-te d4cabe943952
-th e66a11b8da51
-tr 2ec45f681bb0
-uk d3ccc79b70b2
-uz 53122cc7d6ad
-vi e4f8d820bef2
-xh 6ba5a5671721
-zh-CN 02ca4c1400c1
-zh-TW d17da9c45a93
+ach f26087a6a6fd
+af eeac1ca62457
+an a4f5fb57979d
+ar 2f0c4d6a3863
+as ecbc1fafe3fb
+ast 5b37651ec44d
+az d3d47516000e
+be 8c4022c8401a
+bg 0ed29af471d6
+bn-BD d318bfc6fe59
+bn-IN cd84ee209b9c
+br 2be494f41cb3
+bs 18b79a52d6d3
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+cak dad0ddc1d964
+cs 61f3b8744fd4
+cy 32cf6d9aa756
+da 554288f1d152
+de bcb514eb5627
+dsb f076d4d42002
+el 13ee5cd21a66
+en-GB 0b2996f2530f
+en-ZA 7e04b235c4f3
+eo bdb64d29938d
+es-AR ce262833fb6c
+es-CL b0a5fe0dd439
+es-ES 0d6629322408
+es-MX 1f8e97ae724d
+et 52df77b40a67
+eu 4a7550dc8250
+fa 45ef3a098c22
+ff 8025b165aead
+fi a9b647644be7
+fr b8b7c09d3f1f
+fy-NL bc875e89b956
+ga-IE 3e543d62ad63
+gd f937bddd78eb
+gl df4a43546115
+gn fdc6b354f3a4
+gu-IN 408c035790bb
+he 0c53c3756f7d
+hi-IN 8db91f7f5793
+hr d317c15ea672
+hsb 4fac422aa702
+hu 5671194f7ec1
+hy-AM e86992a0c0ee
+id 00395930bb83
+is f8474352b98d
+it 5698ddc38e5e
+ja 0701d1112fe5
+ja-JP-mac 35cc3be4ea6c
+ka b2f753a8a642
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+kk 34777b3d0e58
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+lij 217da84c31d3
+lt f8beb0ee9ef4
+lv a2d7fa888232
+mai b78d319868ff
+mk 26b755e4f87b
+ml 818f2d7fc3b1
+mr b84d162a2888
+ms e5b008cb44eb
+my 4a0dc350bdec
+nb-NO d50a43efc007
+nl a8f7ad7a0e39
+nn-NO e00fbf3066c1
+or 11e8e75808ae
+pa-IN f01bcb8c13a2
+pl d76f3ba7ebd5
+pt-BR 7cf0629777d1
+pt-PT a762c23994b3
+rm f16da0c1a769
+ro 6538d74548a9
+ru 4feb4e4200f5
+si d91975c0b4d8
+sk 0b32ca1321b2
+sl ad8ee6b5e9eb
+son abb58457c998
+sq 4374d5e275dd
+sr baec6e6f600d
+sv-SE bf5faf4c09d4
+ta 8de385a48ec1
+te 0064b2051ea7
+th 52f4abb2b927
+tr d9f5398e98f8
+uk a95815527227
+ur a8390b38a5dc
+uz 6a7dac5f89c9
+vi d931c17a2ff7
+xh c2ac7c43e358
+zh-CN e61f2d1a43f5
+zh-TW 75d29bef92f2
 
diff --git a/mozilla-aarch64-startup-crash.patch b/mozilla-aarch64-startup-crash.patch
index e1c1876..1c34a49 100644
--- a/mozilla-aarch64-startup-crash.patch
+++ b/mozilla-aarch64-startup-crash.patch
@@ -1,14 +1,15 @@
 # HG changeset patch
 # Parent a5cfa3aa11a9d3391df49de6fc5a0e5232c12c10
+# Parent  d36d722c028f553ac3fb2f3655fb2c0ca745050c
 Bug 991344 - Rpi3: Firefox crashes after a few seconds of usage
 
 diff --git a/netwerk/base/nsIOService.cpp b/netwerk/base/nsIOService.cpp
 --- a/netwerk/base/nsIOService.cpp
 +++ b/netwerk/base/nsIOService.cpp
-@@ -830,17 +830,23 @@ nsIOService::NewChannelFromURIWithProxyF
-                 consoleService->LogStringMessage(NS_LITERAL_STRING(
-                     "Http channel implementation doesn't support nsIUploadChannel2. An extension has supplied a non-functional http protocol handler. This will break behavior and in future releases not work at all."
-                                                                    ).get());
+@@ -874,17 +874,23 @@ nsIOService::NewChannelFromURIWithProxyF
+                     "doesn't support nsIUploadChannel2. An extension has "
+                     "supplied a non-functional http protocol handler. This will "
+                     "break behavior and in future releases not work at all.");
              }
              gHasWarnedUploadChannel2 = true;
          }
diff --git a/mozilla-kde.patch b/mozilla-kde.patch
index 3dfdfbb..e321d68 100644
--- a/mozilla-kde.patch
+++ b/mozilla-kde.patch
@@ -1,5 +1,5 @@
 # HG changeset patch
-# Parent  aff14a54f25dc3146ba7a64408ceb9f486a832db
+# Parent  172cd661ceed38b3161c6246f6729f4d8370dce3
 Description: Add KDE integration to Firefox (toolkit parts)
 Author: Wolfgang Rosenauer <wolfgang@rosenauer.org>
 Author: Lubos Lunak <lunak@suse.com>
@@ -9,7 +9,7 @@ Bug: https://bugzilla.mozilla.org/show_bug.cgi?id=140751
 diff --git a/modules/libpref/Preferences.cpp b/modules/libpref/Preferences.cpp
 --- a/modules/libpref/Preferences.cpp
 +++ b/modules/libpref/Preferences.cpp
-@@ -31,16 +31,17 @@
+@@ -32,16 +32,17 @@
  #include "nsIZipReader.h"
  #include "nsPrefBranch.h"
  #include "nsXPIDLString.h"
@@ -27,7 +27,7 @@ diff --git a/modules/libpref/Preferences.cpp b/modules/libpref/Preferences.cpp
  #include "prefread.h"
  #include "prefapi_private_data.h"
  
-@@ -1174,16 +1175,34 @@ pref_LoadPrefsInDir(nsIFile* aDir, char 
+@@ -1219,16 +1220,34 @@ 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;
-@@ -1199,17 +1218,17 @@ static nsresult pref_LoadPrefsInDirList(
+@@ -1244,17 +1263,17 @@ 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);
-@@ -1303,24 +1322,36 @@ static nsresult pref_InitInitialObjects(
+@@ -1348,24 +1367,36 @@ 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)
@@ -121,17 +121,17 @@ diff --git a/modules/libpref/Preferences.cpp b/modules/libpref/Preferences.cpp
 diff --git a/modules/libpref/moz.build b/modules/libpref/moz.build
 --- a/modules/libpref/moz.build
 +++ b/modules/libpref/moz.build
-@@ -31,16 +31,20 @@ UNIFIED_SOURCES += [
+@@ -33,16 +33,20 @@ EXPORTS.mozilla += [
+ UNIFIED_SOURCES += [
+     'nsPrefBranch.cpp',
+     'nsPrefsFactory.cpp',
+     'prefapi.cpp',
+     'Preferences.cpp',
      'prefread.cpp',
  ]
  
- # prefapi.cpp cannot be built in unified mode because it uses plarena.h
- SOURCES += [
-     'prefapi.cpp',
- ]
- 
 +LOCAL_INCLUDES += [
-+    '/toolkit/xre'
++     '/toolkit/xre'
 +]
 +
  include('/ipc/chromium/chromium-config.mozbuild')
@@ -140,12 +140,12 @@ diff --git a/modules/libpref/moz.build b/modules/libpref/moz.build
  
  DEFINES['OS_ARCH'] = CONFIG['OS_ARCH']
  DEFINES['MOZ_WIDGET_TOOLKIT'] = CONFIG['MOZ_WIDGET_TOOLKIT']
- 
- FINAL_TARGET_PP_FILES += [
+ if CONFIG['MOZ_ENABLE_WEBRENDER']:
+     DEFINES['MOZ_ENABLE_WEBRENDER'] = True
 diff --git a/python/mozbuild/mozpack/chrome/flags.py b/python/mozbuild/mozpack/chrome/flags.py
 --- a/python/mozbuild/mozpack/chrome/flags.py
 +++ b/python/mozbuild/mozpack/chrome/flags.py
-@@ -211,16 +211,17 @@ class Flags(OrderedDict):
+@@ -220,16 +220,17 @@ class Flags(OrderedDict):
          'contentaccessible': Flag,
          'os': StringFlag,
          'osversion': VersionFlag,
@@ -187,9 +187,9 @@ diff --git a/python/mozbuild/mozpack/chrome/manifest.py b/python/mozbuild/mozpac
 diff --git a/toolkit/components/downloads/moz.build b/toolkit/components/downloads/moz.build
 --- a/toolkit/components/downloads/moz.build
 +++ b/toolkit/components/downloads/moz.build
-@@ -57,16 +57,17 @@ if not CONFIG['MOZ_SUITE']:
-         'nsDownloadManagerUI.manifest',
-     ]
+@@ -37,16 +37,17 @@ UNIFIED_SOURCES += [
+     'nsDownloadManager.cpp'
+ ]
  
  FINAL_LIBRARY = 'xul'
  
@@ -205,81 +205,13 @@ diff --git a/toolkit/components/downloads/moz.build b/toolkit/components/downloa
  
  CXXFLAGS += CONFIG['TK_CFLAGS']
  
-diff --git a/toolkit/components/downloads/nsDownloadManager.cpp b/toolkit/components/downloads/nsDownloadManager.cpp
---- a/toolkit/components/downloads/nsDownloadManager.cpp
-+++ b/toolkit/components/downloads/nsDownloadManager.cpp
-@@ -52,16 +52,20 @@
- #ifdef XP_WIN
- #include <shlobj.h>
- #include "nsWindowsHelpers.h"
- #ifdef DOWNLOAD_SCANNER
- #include "nsDownloadScanner.h"
- #endif
- #endif
- 
-+#if defined(XP_UNIX) && !defined(XP_MACOSX)
-+#include "nsKDEUtils.h"
-+#endif
-+
- #ifdef XP_MACOSX
- #include <CoreFoundation/CoreFoundation.h>
- #endif
- 
- #ifdef MOZ_WIDGET_ANDROID
- #include "FennecJNIWrappers.h"
- #endif
- 
-@@ -2723,16 +2727,25 @@ nsDownload::SetState(DownloadState aStat
-       nsCOMPtr<nsIPrefBranch> pref(do_GetService(NS_PREFSERVICE_CONTRACTID));
- 
-       // Master pref to control this function.
-       bool showTaskbarAlert = true;
-       if (pref)
-         pref->GetBoolPref(PREF_BDM_SHOWALERTONCOMPLETE, &showTaskbarAlert);
- 
-       if (showTaskbarAlert) {
-+        if( nsKDEUtils::kdeSupport()) {
-+          nsTArray<nsCString> command;
-+          command.AppendElement( NS_LITERAL_CSTRING( "DOWNLOADFINISHED" ));
-+          nsAutoString displayName;
-+          GetDisplayName( displayName );
-+          command.AppendElement( nsAutoCString( ToNewUTF8String( displayName )));
-+          nsKDEUtils::command( command );
-+        } else {
-+        // begin non-KDE block
-         int32_t alertInterval = 2000;
-         if (pref)
-           pref->GetIntPref(PREF_BDM_SHOWALERTINTERVAL, &alertInterval);
- 
-         int64_t alertIntervalUSec = alertInterval * PR_USEC_PER_MSEC;
-         int64_t goat = PR_Now() - mStartTime;
-         showTaskbarAlert = goat > alertIntervalUSec;
- 
-@@ -2764,16 +2777,17 @@ nsDownload::SetState(DownloadState aStat
-                   message, !removeWhenDone,
-                   mPrivate ? NS_LITERAL_STRING("private") : NS_LITERAL_STRING("non-private"),
-                   mDownloadManager, EmptyString(), NS_LITERAL_STRING("auto"),
-                   EmptyString(), EmptyString(), nullptr, mPrivate,
-                   false /* requireInteraction */);
-             }
-         }
-       }
-+      }
- 
- #if defined(XP_WIN) || defined(XP_MACOSX) || defined(MOZ_WIDGET_ANDROID) || defined(MOZ_WIDGET_GTK)
-       nsCOMPtr<nsIFileURL> fileURL = do_QueryInterface(mTarget);
-       nsCOMPtr<nsIFile> file;
-       nsAutoString path;
- 
-       if (fileURL &&
-           NS_SUCCEEDED(fileURL->GetFile(getter_AddRefs(file))) &&
 diff --git a/toolkit/content/jar.mn b/toolkit/content/jar.mn
 --- a/toolkit/content/jar.mn
 +++ b/toolkit/content/jar.mn
-@@ -70,29 +70,33 @@ toolkit.jar:
-    content/global/bindings/button.xml          (widgets/button.xml)
-    content/global/bindings/checkbox.xml        (widgets/checkbox.xml)
+@@ -75,29 +75,33 @@ toolkit.jar:
     content/global/bindings/colorpicker.xml     (widgets/colorpicker.xml)
+    content/global/bindings/datekeeper.js       (widgets/datekeeper.js)
+    content/global/bindings/datepicker.js       (widgets/datepicker.js)
     content/global/bindings/datetimepicker.xml  (widgets/datetimepicker.xml)
     content/global/bindings/datetimepopup.xml   (widgets/datetimepopup.xml)
     content/global/bindings/datetimebox.xml     (widgets/datetimebox.xml)
@@ -314,7 +246,7 @@ diff --git a/toolkit/content/widgets/dialog-kde.xml b/toolkit/content/widgets/di
 new file mode 100644
 --- /dev/null
 +++ b/toolkit/content/widgets/dialog-kde.xml
-@@ -0,0 +1,457 @@
+@@ -0,0 +1,455 @@
 +<?xml version="1.0"?>
 +<!-- 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
@@ -459,8 +391,8 @@ new file mode 100644
 +      <method name="centerWindowOnScreen">
 +        <body>
 +        <![CDATA[
-+          var xOffset = screen.availWidth/2 - window.outerWidth/2;
-+          var yOffset = screen.availHeight/2 - window.outerHeight/2;
++          var xOffset = screen.availWidth / 2 - window.outerWidth / 2;
++          var yOffset = screen.availHeight / 2 - window.outerHeight / 2;
 +
 +          xOffset = xOffset > 0 ? xOffset : 0;
 +          yOffset = yOffset > 0 ? yOffset : 0;
@@ -474,10 +406,10 @@ new file mode 100644
 +        this._configureButtons(this.buttons);
 +
 +        // listen for when window is closed via native close buttons
-+        window.addEventListener("close", this._closeHandler, false);
++        window.addEventListener("close", this._closeHandler);
 +
 +        // for things that we need to initialize after onload fires
-+        window.addEventListener("load", this.postLoadInit, false);
++        window.addEventListener("load", this.postLoadInit);
 +
 +        window.moveToAlertPosition = this.moveToAlertPosition;
 +        window.centerWindowOnScreen = this.centerWindowOnScreen;
@@ -512,9 +444,8 @@ new file mode 100644
 +                    // so return focus to the tab itself
 +                    initialFocusedElt.focus();
 +                  }
-+                }
-+                else if (!/Mac/.test(navigator.platform) &&
-+                         focusedElt.hasAttribute("dlgtype") && focusedElt != defaultButton) {
++                } else if (!/Mac/.test(navigator.platform) &&
++                           focusedElt.hasAttribute("dlgtype") && focusedElt != defaultButton) {
 +                  defaultButton.focus();
 +                }
 +              }
@@ -578,13 +509,13 @@ new file mode 100644
 +            // don't override custom labels with pre-defined labels on explicit buttons
 +            if (!button.hasAttribute("label")) {
 +              // dialog attributes override the default labels in dialog.properties
-+              if (this.hasAttribute("buttonlabel"+dlgtype)) {
-+                button.setAttribute("label", this.getAttribute("buttonlabel"+dlgtype));
-+                if (this.hasAttribute("buttonaccesskey"+dlgtype))
-+                  button.setAttribute("accesskey", this.getAttribute("buttonaccesskey"+dlgtype));
++              if (this.hasAttribute("buttonlabel" + dlgtype)) {
++                button.setAttribute("label", this.getAttribute("buttonlabel" + dlgtype));
++                if (this.hasAttribute("buttonaccesskey" + dlgtype))
++                  button.setAttribute("accesskey", this.getAttribute("buttonaccesskey" + dlgtype));
 +              } else if (dlgtype != "extra1" && dlgtype != "extra2") {
-+                button.setAttribute("label", this.mStrBundle.GetStringFromName("button-"+dlgtype));
-+                var accessKey = this.mStrBundle.GetStringFromName("accesskey-"+dlgtype);
++                button.setAttribute("label", this.mStrBundle.GetStringFromName("button-" + dlgtype));
++                var accessKey = this.mStrBundle.GetStringFromName("accesskey-" + dlgtype);
 +                if (accessKey)
 +                  button.setAttribute("accesskey", accessKey);
 +              }
@@ -592,8 +523,8 @@ new file mode 100644
 +            // allow specifying alternate icons in the dialog header
 +            if (!button.hasAttribute("icon")) {
 +              // if there's an icon specified, use that
-+              if (this.hasAttribute("buttonicon"+dlgtype))
-+                button.setAttribute("icon", this.getAttribute("buttonicon"+dlgtype));
++              if (this.hasAttribute("buttonicon" + dlgtype))
++                button.setAttribute("icon", this.getAttribute("buttonicon" + dlgtype));
 +              // otherwise set defaults
 +              else
 +                switch (dlgtype) {
@@ -637,7 +568,7 @@ new file mode 100644
 +            if (/Win/.test(navigator.platform)) {
 +              var spacer = document.getAnonymousElementByAttribute(this, "anonid", "spacer");
 +              spacer.removeAttribute("hidden");
-+              spacer.setAttribute("flex", shown["extra2"]?"1":"0");
++              spacer.setAttribute("flex", shown["extra2"] ? "1" : "0");
 +            }
 +          }
 +        ]]>
@@ -657,11 +588,10 @@ new file mode 100644
 +          if (newDefaultButton) {
 +            this.setAttribute("defaultButton", aNewDefault);
 +            newDefaultButton.setAttribute("default", "true");
-+          }
-+          else {
++          } else {
 +            this.setAttribute("defaultButton", "none");
 +            if (aNewDefault != "none")
-+              dump("invalid new default button: " +  aNewDefault + ", assuming: none\n");
++              dump("invalid new default button: " + aNewDefault + ", assuming: none\n");
 +          }
 +        ]]>
 +        </body>
@@ -706,13 +636,13 @@ new file mode 100644
 +        <body>
 +        <![CDATA[
 +          var event = document.createEvent("Events");
-+          event.initEvent("dialog"+aDlgType, true, true);
++          event.initEvent("dialog" + aDlgType, true, true);
 +
 +          // handle dom event handlers
 +          var noCancel = this.dispatchEvent(event);
 +
 +          // handle any xml attribute event handlers
-+          var handler = this.getAttribute("ondialog"+aDlgType);
++          var handler = this.getAttribute("ondialog" + aDlgType);
 +          if (handler != "") {
 +            var fn = new Function("event", handler);
 +            var returned = fn(event);
@@ -776,7 +706,7 @@ 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 +1,1411 @@
+@@ -0,0 +1,1380 @@
 +<?xml version="1.0"?>
 +
 +<!DOCTYPE bindings [
@@ -853,8 +783,7 @@ new file mode 100644
 +            var event = document.createEvent("Events");
 +            event.initEvent("change", true, true);
 +            aPreference.dispatchEvent(event);
-+          }
-+          catch (e) {
++          } catch (e) {
 +            Components.utils.reportError(e);
 +          }
 +        ]]>
@@ -907,7 +836,7 @@ new file mode 100644
 +          return;
 +
 +        this.preferences.rootBranchInternal
-+            .addObserver(this.name, this.preferences, false);
++            .addObserver(this.name, this.preferences);
 +        // In non-instant apply mode, we must try and use the last saved state
 +        // from any previous opens of a child dialog instead of the value from
 +        // preferences, to pick up any edits a user may have made.
@@ -933,8 +862,7 @@ new file mode 100644
 +
 +          // Don't use the value setter here, we don't want updateElements to be prematurely fired.
 +          this._value = preference ? preference.value : this.valueFromPreferences;
-+        }
-+        else
++        } else
 +          this._value = this.valueFromPreferences;
 +        this.preferences._constructAfterChildren();
 +      ]]>
@@ -960,9 +888,9 @@ new file mode 100644
 +
 +          this.preferences.rootBranchInternal
 +              .removeObserver(this.name, this.preferences);
-+          this.setAttribute('name', val);
++          this.setAttribute("name", val);
 +          this.preferences.rootBranchInternal
-+              .addObserver(val, this.preferences, false);
++              .addObserver(val, this.preferences);
 +
 +          return val;
 +        </setter>
@@ -1118,13 +1046,9 @@ new file mode 100644
 +                         .data;
 +            case "string":
 +            case "unichar":
-+              return this._branch
-+                         .getComplexValue(this.name, Components.interfaces.nsISupportsString)
-+                         .data;
++              return this._branch.getStringPref(this.name);
 +            case "fontname":
-+              var family = this._branch
-+                               .getComplexValue(this.name, Components.interfaces.nsISupportsString)
-+                               .data;
++              var family = this._branch.getStringPref(this.name);
 +              var fontEnumerator = Components.classes["@mozilla.org/gfx/fontenumerator;1"]
 +                                             .createInstance(Components.interfaces.nsIFontEnumerator);
 +              return fontEnumerator.getStandardFamilyName(family);
@@ -1135,8 +1059,7 @@ new file mode 100644
 +            default:
 +              this._reportUnknownType();
 +            }
-+          }
-+          catch (e) { }
++          } catch (e) { }
 +          return null;
 +        ]]>
 +        </getter>
@@ -1170,11 +1093,7 @@ new file mode 100644
 +          case "string":
 +          case "unichar":
 +          case "fontname":
-+            var iss = Components.classes["@mozilla.org/supports-string;1"]
-+                                .createInstance(Components.interfaces.nsISupportsString);
-+            iss.data = val;
-+            this.preferences.rootBranch
-+                .setComplexValue(this.name, Components.interfaces.nsISupportsString, iss);
++            this.preferences.rootBranch.setStringPref(this.name, val);
 +            break;
 +          case "file":
 +            var lf;
@@ -1184,8 +1103,7 @@ new file mode 100644
 +              lf.persistentDescriptor = val;
 +              if (!lf.exists())
 +                lf.initWithPath(val);
-+            }
-+            else
++            } else
 +              lf = val.QueryInterface(Components.interfaces.nsILocalFile);
 +            this.preferences.rootBranch
 +                .setComplexValue(this.name, Components.interfaces.nsILocalFile, lf);
@@ -1216,11 +1134,10 @@ new file mode 100644
 +            try {
 +              var event = document.createEvent("Events");
 +              event.initEvent("syncfrompreference", true, true);
-+              var f = new Function ("event",
-+                                    aElement.getAttribute("onsyncfrompreference"));
++              var f = new Function("event",
++                                   aElement.getAttribute("onsyncfrompreference"));
 +              rv = f.call(aElement, event);
-+            }
-+            catch (e) {
++            } catch (e) {
 +              Components.utils.reportError(e);
 +            }
 +          }
@@ -1255,8 +1172,7 @@ new file mode 100644
 +            // of the input event handler.
 +            if (aElement.value !== val)
 +              setValue(aElement, "value", val);
-+          }
-+          else
++          } else
 +            setValue(aElement, "value", val);
 +        ]]>
 +        </body>
@@ -1271,13 +1187,12 @@ new file mode 100644
 +            try {
 +              var event = document.createEvent("Events");
 +              event.initEvent("synctopreference", true, true);
-+              var f = new Function ("event",
-+                                    aElement.getAttribute("onsynctopreference"));
++              var f = new Function("event",
++                                   aElement.getAttribute("onsynctopreference"));
 +              var rv = f.call(aElement, event);
 +              if (rv !== undefined)
 +                return rv;
-+            }
-+            catch (e) {
++            } catch (e) {
 +              Components.utils.reportError(e);
 +            }
 +          }
@@ -1423,7 +1338,7 @@ new file mode 100644
 +              acceptButton.disabled = true;
 +            } else {
 +              // morph the Cancel button into the Close button
-+              cancelButton.setAttribute ("icon", "close");
++              cancelButton.setAttribute("icon", "close");
 +              cancelButton.label = docElt.getAttribute("closebuttonlabel");
 +              cancelButton.accesskey = docElt.getAttribute("closebuttonaccesskey");
 +            }
@@ -1444,8 +1359,7 @@ new file mode 100644
 +        if ("arguments" in window && window.arguments[0] && document.getElementById(window.arguments[0]) && document.getElementById(window.arguments[0]).nodeName == "prefpane") {
 +          paneToLoad = document.getElementById(window.arguments[0]);
 +          this.lastSelected = paneToLoad.id;
-+        }
-+        else if (lastPane)
++        } else if (lastPane)
 +          paneToLoad = lastPane;
 +        else
 +          paneToLoad = panes[0];
@@ -1542,14 +1456,12 @@ new file mode 100644
 +
 +          this._selector.selectedItem = document.getAnonymousElementByAttribute(this, "pane", aPaneElement.id);
 +          if (!aPaneElement.loaded) {
-+            let OverlayLoadObserver = function(aPane)
-+            {
++            let OverlayLoadObserver = function(aPane) {
 +              this._pane = aPane;
 +            }
 +            OverlayLoadObserver.prototype = {
 +              _outer: this,
-+              observe: function (aSubject, aTopic, aData)
-+              {
++              observe(aSubject, aTopic, aData) {
 +                this._pane.loaded = true;
 +                this._outer._fireEvent("paneload", this._pane);
 +                this._outer._selectPane(this._pane);
@@ -1558,8 +1470,7 @@ new file mode 100644
 +
 +            var obs = new OverlayLoadObserver(aPaneElement);
 +            document.loadOverlay(aPaneElement.src, obs);
-+          }
-+          else
++          } else
 +            this._selectPane(aPaneElement);
 +        ]]>
 +        </body>
@@ -1576,14 +1487,13 @@ new file mode 100644
 +            event.initEvent(aEventName, true, true);
 +            var cancel = !aTarget.dispatchEvent(event);
 +            if (aTarget.hasAttribute("on" + aEventName)) {
-+              var fn = new Function ("event", aTarget.getAttribute("on" + aEventName));
++              var fn = new Function("event", aTarget.getAttribute("on" + aEventName));
 +              var rv = fn.call(aTarget, event);
 +              if (rv == false)
 +                cancel = true;
 +            }
 +            return !cancel;
-+          }
-+          catch (e) {
++          } catch (e) {
 +            Components.utils.reportError(e);
 +          }
 +          return false;
@@ -1637,11 +1547,10 @@ new file mode 100644
 +                if (this._shouldAnimate && oldPane.id != aPaneElement.id) {
 +                  aPaneElement.style.opacity = 0.0;
 +                  this.animate(oldPane, aPaneElement);
-+                }
-+                else if (!this._shouldAnimate && prefpanes.length > 1) {
-+                  var targetHeight = parseInt(window.getComputedStyle(this._paneDeckContainer, "").height);
-+                  var verticalPadding = parseInt(window.getComputedStyle(aPaneElement, "").paddingTop);
-+                  verticalPadding += parseInt(window.getComputedStyle(aPaneElement, "").paddingBottom);
++                } else if (!this._shouldAnimate && prefpanes.length > 1) {
++                  var targetHeight = parseInt(window.getComputedStyle(this._paneDeckContainer).height);
++                  var verticalPadding = parseInt(window.getComputedStyle(aPaneElement).paddingTop);
++                  verticalPadding += parseInt(window.getComputedStyle(aPaneElement).paddingBottom);
 +                  if (aPaneElement.contentHeight > targetHeight - verticalPadding) {
 +                    // To workaround the bottom border of a groupbox from being
 +                    // cutoff an hbox with a class of bottomBox may enclose it.
@@ -1650,7 +1559,7 @@ new file mode 100644
 +                    var bottomPadding = 0;
 +                    var bottomBox = aPaneElement.getElementsByAttribute("class", "bottomBox")[0];
 +                    if (bottomBox)
-+                      bottomPadding = parseInt(window.getComputedStyle(bottomBox, "").paddingBottom);
++                      bottomPadding = parseInt(window.getComputedStyle(bottomBox).paddingBottom);
 +                    window.innerHeight += bottomPadding + verticalPadding + aPaneElement.contentHeight - targetHeight;
 +                  }
 +
@@ -1672,12 +1581,8 @@ new file mode 100644
 +        <![CDATA[
 +          var psvc = Components.classes["@mozilla.org/preferences-service;1"]
 +                               .getService(Components.interfaces.nsIPrefBranch);
-+          var animate = /Mac/.test(navigator.platform);
-+          try {
-+            animate = psvc.getBoolPref("browser.preferences.animateFadeIn");
-+          }
-+          catch (e) { }
-+          return animate;
++          return psvc.getBoolPref("browser.preferences.animateFadeIn",
++                                  /Mac/.test(navigator.platform));
 +        ]]>
 +        </getter>
 +      </property>
@@ -1729,14 +1634,13 @@ new file mode 100644
 +            if (increment != 0) {
 +              window.innerHeight += increment;
 +              this._currentHeight += increment;
-+            }
-+            else {
++            } else {
 +              aTimer.cancel();
 +              this._setUpFadeTimer();
 +            }
 +          } else if (aTimer == this._fadeTimer) {
 +            var elt = document.getElementById(this.lastSelected);
-+            var newOpacity = parseFloat(window.getComputedStyle(elt, "").opacity) + this._fadeIncrement;
++            var newOpacity = parseFloat(window.getComputedStyle(elt).opacity) + this._fadeIncrement;
 +            if (newOpacity < 1.0)
 +              elt.style.opacity = newOpacity;
 +            else {
@@ -1825,8 +1729,7 @@ new file mode 100644
 +            if ("initWithParams" in win)
 +              win.initWithParams(aParams);
 +            win.focus();
-+          }
-+          else {
++          } else {
 +            var features = "resizable,dialog=no,centerscreen" + (aFeatures != "" ? ("," + aFeatures) : "");
 +            var parentWindow = (this.instantApply || !window.opener || window.opener.closed) ? window : window.opener;
 +            win = parentWindow.openDialog(aURL, "_blank", features, aParams);
@@ -1847,15 +1750,12 @@ new file mode 100644
 +                    .getService(Components.interfaces.nsIScriptSecurityManager);
 +        if (this.type == "child" && window.opener &&
 +            secMan.isSystemPrincipal(window.opener.document.nodePrincipal)) {
-+          let psvc = Components.classes["@mozilla.org/preferences-service;1"]
-+                               .getService(Components.interfaces.nsIPrefBranch);
 +          var pdocEl = window.opener.document.documentElement;
 +          if (pdocEl.instantApply) {
 +            let panes = this.preferencePanes;
 +            for (let i = 0; i < panes.length; ++i)
 +              panes[i].writePreferences(true);
-+          }
-+          else {
++          } else {
 +            // Clone all the preferences elements from the child document and
 +            // insert them into the pane collection of the parent.
 +            var pdoc = window.opener.document;
@@ -1898,8 +1798,7 @@ new file mode 100644
 +              }
 +            }
 +          }
-+        }
-+        else {
++        } else {
 +          let panes = this.preferencePanes;
 +          for (var i = 0; i < panes.length; ++i)
 +            panes[i].writePreferences(false);
@@ -2037,7 +1936,8 @@ new file mode 100644
 +          while (temp && temp.nodeType == Node.ELEMENT_NODE &&
 +                 !temp.hasAttribute("preference"))
 +            temp = temp.parentNode;
-+          return temp.nodeType == Node.ELEMENT_NODE ? temp : aStartElement;
++          return temp && temp.nodeType == Node.ELEMENT_NODE ?
++                 temp : aStartElement;
 +        ]]>
 +        </body>
 +      </method>
@@ -2108,9 +2008,9 @@ new file mode 100644
 +
 +      <property name="contentHeight">
 +        <getter>
-+          var targetHeight = parseInt(window.getComputedStyle(this._content, "").height);
-+          targetHeight += parseInt(window.getComputedStyle(this._content, "").marginTop);
-+          targetHeight += parseInt(window.getComputedStyle(this._content, "").marginBottom);
++          var targetHeight = parseInt(window.getComputedStyle(this._content).height);
++          targetHeight += parseInt(window.getComputedStyle(this._content).marginTop);
++          targetHeight += parseInt(window.getComputedStyle(this._content).marginBottom);
 +          return targetHeight;
 +        </getter>
 +      </property>
@@ -2150,8 +2050,7 @@ new file mode 100644
 +          try {
 +            var preference = this.preferenceForElement(elements[i]);
 +            preference.setElementValue(elements[i]);
-+          }
-+          catch (e) {
++          } catch (e) {
 +            dump("*** No preference found for " + elements[i].getAttribute("preference") + "\n");
 +          }
 +        }
@@ -2191,7 +2090,7 @@ new file mode 100644
 diff --git a/toolkit/mozapps/downloads/nsHelperAppDlg.js b/toolkit/mozapps/downloads/nsHelperAppDlg.js
 --- a/toolkit/mozapps/downloads/nsHelperAppDlg.js
 +++ b/toolkit/mozapps/downloads/nsHelperAppDlg.js
-@@ -627,17 +627,17 @@ nsUnknownContentTypeDialog.prototype = {
+@@ -625,17 +625,17 @@ nsUnknownContentTypeDialog.prototype = {
        else
          typeString = mimeInfo.MIMEType;
      }
@@ -2210,7 +2109,7 @@ diff --git a/toolkit/mozapps/downloads/nsHelperAppDlg.js b/toolkit/mozapps/downl
    },
  
    // Returns true if opening the default application makes sense.
-@@ -801,17 +801,17 @@ nsUnknownContentTypeDialog.prototype = {
+@@ -799,17 +799,17 @@ nsUnknownContentTypeDialog.prototype = {
        switch (this.dialogElement("openHandler").selectedIndex) {
        case 0:
          // No app need be specified in this case.
@@ -2229,7 +2128,7 @@ diff --git a/toolkit/mozapps/downloads/nsHelperAppDlg.js b/toolkit/mozapps/downl
      this.mDialog.document.documentElement.getButton("accept").disabled = !ok;
    },
  
-@@ -1068,30 +1068,56 @@ nsUnknownContentTypeDialog.prototype = {
+@@ -1066,30 +1066,56 @@ nsUnknownContentTypeDialog.prototype = {
            params.handlerApp.executable &&
            params.handlerApp.executable.isFile()) {
          // Remember the file they chose to run.
@@ -2396,8 +2295,8 @@ 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
-@@ -40,17 +40,19 @@ elif CONFIG['MOZ_WIDGET_TOOLKIT'] == 'co
-         'updaterfileutils_osx.mm',
+@@ -61,17 +61,19 @@ elif CONFIG['MOZ_WIDGET_TOOLKIT'] == 'co
+         '../components/printingui/mac',
      ]
  elif CONFIG['MOZ_WIDGET_TOOLKIT'] == 'uikit':
      UNIFIED_SOURCES += [
@@ -2841,7 +2740,7 @@ diff --git a/uriloader/exthandler/moz.build b/uriloader/exthandler/moz.build
          'android/nsExternalSharingAppService.cpp',
          'android/nsExternalURLHandlerService.cpp',
          'android/nsMIMEInfoAndroid.cpp',
-@@ -123,16 +125,17 @@ include('/ipc/chromium/chromium-config.m
+@@ -125,16 +127,17 @@ include('/ipc/chromium/chromium-config.m
  
  FINAL_LIBRARY = 'xul'
  
@@ -3200,7 +3099,7 @@ diff --git a/uriloader/exthandler/unix/nsOSHelperAppService.cpp b/uriloader/exth
  #include "nsXPIDLString.h"
  #include "nsIURL.h"
  #include "nsIFileStreams.h"
-@@ -1146,26 +1146,26 @@ nsresult nsOSHelperAppService::OSProtoco
+@@ -1143,26 +1143,26 @@ nsresult nsOSHelperAppService::OSProtoco
      ContentAction::Action::defaultActionForScheme(QString(aProtocolScheme) + ':');
  
    if (action.isValid())
@@ -3229,7 +3128,7 @@ diff --git a/uriloader/exthandler/unix/nsOSHelperAppService.cpp b/uriloader/exth
  
  nsresult nsOSHelperAppService::GetFileTokenForPath(const char16_t * platformAppPath, nsIFile ** aFile)
  {
-@@ -1252,17 +1252,17 @@ nsOSHelperAppService::GetFromExtension(c
+@@ -1249,17 +1249,17 @@ nsOSHelperAppService::GetFromExtension(c
                                           mime_types_description,
                                           true);
  
@@ -3248,7 +3147,7 @@ diff --git a/uriloader/exthandler/unix/nsOSHelperAppService.cpp b/uriloader/exth
  
      rv = LookUpTypeAndDescription(NS_ConvertUTF8toUTF16(aFileExt),
                                    majorType,
-@@ -1373,17 +1373,17 @@ nsOSHelperAppService::GetFromType(const 
+@@ -1370,17 +1370,17 @@ nsOSHelperAppService::GetFromType(const 
    nsAutoString extensions, mime_types_description;
    LookUpExtensionsAndDescription(majorType,
                                   minorType,
@@ -3270,7 +3169,7 @@ 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
-@@ -101,16 +101,17 @@ else:
+@@ -109,16 +109,17 @@ else:
  include('/ipc/chromium/chromium-config.mozbuild')
  
  FINAL_LIBRARY = 'xul'
@@ -3281,13 +3180,13 @@ diff --git a/widget/gtk/moz.build b/widget/gtk/moz.build
      '/other-licenses/atk-1.0',
 +    '/toolkit/xre',
      '/widget',
+     '/widget/headless',
  ]
  
  if CONFIG['MOZ_X11']:
      LOCAL_INCLUDES += [
          '/widget/x11',
      ]
- 
 diff --git a/widget/gtk/nsFilePicker.cpp b/widget/gtk/nsFilePicker.cpp
 --- a/widget/gtk/nsFilePicker.cpp
 +++ b/widget/gtk/nsFilePicker.cpp
@@ -3645,7 +3544,7 @@ diff --git a/widget/gtk/nsFilePicker.h b/widget/gtk/nsFilePicker.h
 diff --git a/xpcom/components/ManifestParser.cpp b/xpcom/components/ManifestParser.cpp
 --- a/xpcom/components/ManifestParser.cpp
 +++ b/xpcom/components/ManifestParser.cpp
-@@ -32,16 +32,17 @@
+@@ -33,16 +33,17 @@
  #include "nsTextFormatter.h"
  #include "nsVersionComparator.h"
  #include "nsXPCOMCIDInternal.h"
@@ -3663,7 +3562,7 @@ diff --git a/xpcom/components/ManifestParser.cpp b/xpcom/components/ManifestPars
    const char* directive;
    int argc;
  
-@@ -472,16 +473,17 @@ ParseManifest(NSLocationType aType, File
+@@ -466,16 +467,17 @@ ParseManifest(NSLocationType aType, File
    NS_NAMED_LITERAL_STRING(kRemoteEnabled, "remoteenabled");
    NS_NAMED_LITERAL_STRING(kRemoteRequired, "remoterequired");
    NS_NAMED_LITERAL_STRING(kApplication, "application");
@@ -3681,7 +3580,7 @@ diff --git a/xpcom/components/ManifestParser.cpp b/xpcom/components/ManifestPars
    NS_NAMED_LITERAL_STRING(kMain, "main");
    NS_NAMED_LITERAL_STRING(kContent, "content");
  
-@@ -532,44 +534,49 @@ ParseManifest(NSLocationType aType, File
+@@ -526,44 +528,49 @@ ParseManifest(NSLocationType aType, File
          CopyUTF8toUTF16(s, abi);
          abi.Insert(char16_t('_'), 0);
          abi.Insert(osTarget, 0);
@@ -3731,7 +3630,7 @@ diff --git a/xpcom/components/ManifestParser.cpp b/xpcom/components/ManifestPars
      process = kMain;
    }
  
-@@ -672,25 +679,27 @@ ParseManifest(NSLocationType aType, File
+@@ -666,25 +673,27 @@ ParseManifest(NSLocationType aType, File
      TriState stOsVersion = eUnspecified;
      TriState stOs = eUnspecified;
      TriState stABI = eUnspecified;
@@ -3748,7 +3647,7 @@ diff --git a/xpcom/components/ManifestParser.cpp b/xpcom/components/ManifestPars
        NS_ConvertASCIItoUTF16 wtoken(token);
  
        if (CheckStringFlag(kApplication, wtoken, appID, stApp) ||
-           CheckStringFlag(kOs, wtoken, osTarget, stOs) ||
+           CheckOsFlag(kOs, wtoken, osTarget, stOs) ||
            CheckStringFlag(kABI, wtoken, abi, stABI) ||
 +          CheckStringFlag(kDesktop, wtoken, desktop, stDesktop) ||
            CheckStringFlag(kProcess, wtoken, process, stProcess) ||
@@ -3759,7 +3658,7 @@ diff --git a/xpcom/components/ManifestParser.cpp b/xpcom/components/ManifestPars
        }
  
  #if defined(MOZ_WIDGET_ANDROID)
-@@ -740,16 +749,17 @@ ParseManifest(NSLocationType aType, File
+@@ -729,16 +738,17 @@ ParseManifest(NSLocationType aType, File
      }
  
      if (!ok ||
@@ -3815,7 +3714,7 @@ diff --git a/xpcom/io/nsLocalFileUnix.cpp b/xpcom/io/nsLocalFileUnix.cpp
  #include "prmem.h"
  #include "plbase64.h"
  
-@@ -1948,42 +1949,52 @@ nsLocalFile::SetPersistentDescriptor(con
+@@ -1941,59 +1942,74 @@ nsLocalFile::SetPersistentDescriptor(con
    return InitWithNativePath(aPersistentDescriptor);
  #endif
  }
@@ -3839,22 +3738,32 @@ diff --git a/xpcom/io/nsLocalFileUnix.cpp b/xpcom/io/nsLocalFileUnix.cpp
    if (isDirectory) {
 -    return giovfs->ShowURIForInput(mPath);
 +    url = mPath;
-   } else if (NS_SUCCEEDED(giovfs->OrgFreedesktopFileManager1ShowItems(mPath))) {
-     return NS_OK;
-   } else {
-     nsCOMPtr<nsIFile> parentDir;
-     nsAutoCString dirPath;
-     if (NS_FAILED(GetParent(getter_AddRefs(parentDir)))) {
-       return NS_ERROR_FAILURE;
-     }
-     if (NS_FAILED(parentDir->GetNativePath(dirPath))) {
-       return NS_ERROR_FAILURE;
-     }
- 
--    return giovfs->ShowURIForInput(dirPath);
-+    url = dirPath;
    }
-+
+   if (NS_SUCCEEDED(giovfs->OrgFreedesktopFileManager1ShowItems(mPath))) {
+     return NS_OK;
+   }
+   nsCOMPtr<nsIFile> parentDir;
+   nsAutoCString dirPath;
+   if (NS_FAILED(GetParent(getter_AddRefs(parentDir)))) {
+     return NS_ERROR_FAILURE;
+   }
+   if (NS_FAILED(parentDir->GetNativePath(dirPath))) {
+     return NS_ERROR_FAILURE;
+   }
+ 
+-  return giovfs->ShowURIForInput(dirPath);
++  url = dirPath;
+ #elif defined(MOZ_WIDGET_COCOA)
+   CFURLRef url;
+   if (NS_SUCCEEDED(GetCFURL(&url))) {
+     nsresult rv = CocoaFileUtils::RevealFileInFinder(url);
+     ::CFRelease(url);
+     return rv;
+   }
+   return NS_ERROR_FAILURE;
+ #else
+   return NS_ERROR_FAILURE;
+ #endif
 +  if(nsKDEUtils::kdeSupport()) {
 +    nsTArray<nsCString> command;
 +    command.AppendElement( NS_LITERAL_CSTRING("REVEAL") );
@@ -3866,17 +3775,6 @@ diff --git a/xpcom/io/nsLocalFileUnix.cpp b/xpcom/io/nsLocalFileUnix.cpp
 +    return NS_ERROR_FAILURE;
 +
 +  return giovfs->ShowURIForInput(url);
- #elif defined(MOZ_WIDGET_COCOA)
-   CFURLRef url;
-   if (NS_SUCCEEDED(GetCFURL(&url))) {
-     nsresult rv = CocoaFileUtils::RevealFileInFinder(url);
-     ::CFRelease(url);
-     return rv;
-   }
-   return NS_ERROR_FAILURE;
-@@ -1991,16 +2002,22 @@ nsLocalFile::Reveal()
-   return NS_ERROR_FAILURE;
- #endif
  }
  
  NS_IMETHODIMP
diff --git a/mozilla-shared-nss-db.patch b/mozilla-shared-nss-db.patch
deleted file mode 100644
index 0cc79a0..0000000
--- a/mozilla-shared-nss-db.patch
+++ /dev/null
@@ -1,143 +0,0 @@
-From: Hans Petter Jansson <hpj@copyleft.no>
-      Wolfgang Rosenauer <wr@rosenauer.org>
-Subject: use libnsssharedhelper if available at compile time
-         (can be disabled by exporting MOZ_XRE_NO_NSSHELPER=1)
-References:
-
-diff --git a/old-configure.in b/old-configure.in
---- a/old-configure.in
-+++ b/old-configure.in
-@@ -5358,16 +5358,31 @@ esac
- 
- AC_SUBST(MOZ_TREE_CAIRO)
- AC_SUBST_LIST(MOZ_CAIRO_CFLAGS)
- AC_SUBST_LIST(MOZ_CAIRO_LIBS)
- AC_SUBST_LIST(MOZ_CAIRO_OSLIBS)
- AC_SUBST(MOZ_TREE_PIXMAN)
- 
- dnl ========================================================
-+dnl Check for nss-shared-helper
-+dnl ========================================================
-+
-+  PKG_CHECK_MODULES(NSSHELPER, nss-shared-helper,
-+    [MOZ_ENABLE_NSSHELPER=1],
-+    [MOZ_ENABLE_NSSHELPER=])
-+
-+if test "$MOZ_ENABLE_NSSHELPER"; then
-+  AC_DEFINE(MOZ_ENABLE_NSSHELPER)
-+fi
-+AC_SUBST(MOZ_ENABLE_NSSHELPER)
-+AC_SUBST_LIST(NSSHELPER_CFLAGS)
-+AC_SUBST_LIST(NSSHELPER_LIBS)
-+
-+dnl ========================================================
- dnl disable xul
- dnl ========================================================
- MOZ_ARG_DISABLE_BOOL(xul,
- [  --disable-xul           Disable XUL],
-     MOZ_XUL= )
- if test "$MOZ_XUL"; then
-   AC_DEFINE(MOZ_XUL)
- else
-diff --git a/security/manager/ssl/moz.build b/security/manager/ssl/moz.build
---- a/security/manager/ssl/moz.build
-+++ b/security/manager/ssl/moz.build
-@@ -160,16 +160,19 @@ if CONFIG['MOZ_XUL']:
-     ]
- 
- UNIFIED_SOURCES += [
-     'md4.c',
- ]
- 
- FINAL_LIBRARY = 'xul'
- 
-+CXXFLAGS += sorted(CONFIG['NSSHELPER_CFLAGS'])
-+OS_LIBS += sorted(CONFIG['NSSHELPER_LIBS'])
-+
- LOCAL_INCLUDES += [
-     '/dom/base',
-     '/dom/crypto',
-     '/security/certverifier',
-     '/security/pkix/include',
- ]
- 
- LOCAL_INCLUDES += [
-diff --git a/security/manager/ssl/nsNSSComponent.cpp b/security/manager/ssl/nsNSSComponent.cpp
---- a/security/manager/ssl/nsNSSComponent.cpp
-+++ b/security/manager/ssl/nsNSSComponent.cpp
-@@ -1,14 +1,21 @@
- /* -*- Mode: C++; tab-width: 2; 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/. */
- 
-+#ifdef MOZ_ENABLE_NSSHELPER
-+#pragma GCC visibility push(default)
-+#include <nss-shared-helper.h>
-+#pragma GCC visibility pop
-+#include "prenv.h"
-+#endif
-+
- #include "nsNSSComponent.h"
- 
- #include "ExtendedValidation.h"
- #include "NSSCertDBTrustDomain.h"
- #include "ScopedNSSTypes.h"
- #include "SharedSSLState.h"
- #include "cert.h"
- #include "certdb.h"
-@@ -1702,17 +1709,31 @@ nsNSSComponent::InitializeNSS()
-       return rv;
-     }
-   }
-   MOZ_LOG(gPIPNSSLog, LogLevel::Debug, ("inSafeMode: %u\n", inSafeMode));
- 
-   if (!nocertdb && !profileStr.IsEmpty()) {
-     // First try to initialize the NSS DB in read/write mode.
-     // Only load PKCS11 modules if we're not in safe mode.
-+#ifdef MOZ_ENABLE_NSSHELPER
-+    if (PR_GetEnv("MOZ_XRE_NO_NSSHELPER")) {
-+      init_rv = ::mozilla::psm::InitializeNSS(profileStr.get(), false, !inSafeMode);
-+    } else {
-+      uint32_t flags = NSS_INIT_NOROOTINIT | NSS_INIT_OPTIMIZESPACE;
-+      init_rv = ::nsshelp_open_db ("Firefox", profileStr.get(), flags);
-+
-+      if (init_rv != SECSuccess) {
-+        MOZ_LOG(gPIPNSSLog, LogLevel::Debug, ("can not init NSS using nsshelp_open_db in %s\n", profileStr.get()));
-+        init_rv = ::mozilla::psm::InitializeNSS(profileStr.get(), false, !inSafeMode);
-+      }
-+    }
-+#else
-     init_rv = ::mozilla::psm::InitializeNSS(profileStr.get(), false, !inSafeMode);
-+#endif
-     // If that fails, attempt read-only mode.
-     if (init_rv != SECSuccess) {
-       MOZ_LOG(gPIPNSSLog, LogLevel::Debug, ("could not init NSS r/w in %s\n", profileStr.get()));
-       init_rv = ::mozilla::psm::InitializeNSS(profileStr.get(), true, !inSafeMode);
-     }
-     if (init_rv != SECSuccess) {
-       MOZ_LOG(gPIPNSSLog, LogLevel::Debug, ("could not init in r/o either\n"));
-     }
-diff --git a/toolkit/library/moz.build b/toolkit/library/moz.build
---- a/toolkit/library/moz.build
-+++ b/toolkit/library/moz.build
-@@ -220,16 +220,18 @@ OS_LIBS += CONFIG['MOZ_CAIRO_OSLIBS']
- OS_LIBS += CONFIG['MOZ_WEBRTC_X11_LIBS']
- 
- if CONFIG['SERVO_TARGET_DIR']:
-     if CONFIG['_MSC_VER']:
-         OS_LIBS += ['%s/geckoservo' % CONFIG['SERVO_TARGET_DIR']]
-     else:
-         OS_LIBS += ['-L%s' % CONFIG['SERVO_TARGET_DIR'], '-lgeckoservo']
- 
-+OS_LIBS += sorted(CONFIG['NSSHELPER_LIBS'])
-+
- if CONFIG['MOZ_SYSTEM_JPEG']:
-     OS_LIBS += CONFIG['MOZ_JPEG_LIBS']
- 
- if CONFIG['MOZ_SYSTEM_PNG']:
-     OS_LIBS += CONFIG['MOZ_PNG_LIBS']
- 
- if CONFIG['MOZ_SYSTEM_HUNSPELL']:
-     OS_LIBS += CONFIG['MOZ_HUNSPELL_LIBS']
diff --git a/mozilla-ucontext.patch b/mozilla-ucontext.patch
index 276ed89..d710eb9 100644
--- a/mozilla-ucontext.patch
+++ b/mozilla-ucontext.patch
@@ -1,8 +1,17 @@
-Index: mozilla/toolkit/crashreporter/google-breakpad/src/client/linux/dump_writer_common/ucontext_reader.cc
-===================================================================
---- mozilla.orig/toolkit/crashreporter/google-breakpad/src/client/linux/dump_writer_common/ucontext_reader.cc
-+++ mozilla/toolkit/crashreporter/google-breakpad/src/client/linux/dump_writer_common/ucontext_reader.cc
-@@ -40,15 +40,15 @@ namespace google_breakpad {
+# HG changeset patch
+# User Wolfgang Rosenauer <wr@rosenauer.org>
+# Parent  f6b8a48d89d77c7a3eb13fef234c618943306c2b
+Replace struct ucontext with ucontext_t
+
+diff --git a/toolkit/crashreporter/breakpad-client/linux/dump_writer_common/ucontext_reader.cc b/toolkit/crashreporter/breakpad-client/linux/dump_writer_common/ucontext_reader.cc
+--- a/toolkit/crashreporter/breakpad-client/linux/dump_writer_common/ucontext_reader.cc
++++ b/toolkit/crashreporter/breakpad-client/linux/dump_writer_common/ucontext_reader.cc
+@@ -35,25 +35,25 @@
+ namespace google_breakpad {
+ 
+ // Minidump defines register structures which are different from the raw
+ // structures which we get from the kernel. These are platform specific
+ // functions to juggle the ucontext and user structures into minidump format.
  
  #if defined(__i386__)
  
@@ -21,7 +30,17 @@ Index: mozilla/toolkit/crashreporter/google-breakpad/src/client/linux/dump_write
                                      const struct _libc_fpstate* fp) {
    const greg_t* regs = uc->uc_mcontext.gregs;
  
-@@ -88,15 +88,15 @@ void UContextReader::FillCPUContext(RawC
+   out->context_flags = MD_CONTEXT_X86_FULL |
+                        MD_CONTEXT_X86_FLOATING_POINT;
+ 
+   out->gs = regs[REG_GS];
+   out->fs = regs[REG_FS];
+@@ -83,25 +83,25 @@ void UContextReader::FillCPUContext(RawC
+   out->float_save.data_selector = fp->datasel;
+ 
+   // 8 registers * 10 bytes per register.
+   my_memcpy(out->float_save.register_area, fp->_st, 10 * 8);
+ }
  
  #elif defined(__x86_64)
  
@@ -40,7 +59,17 @@ Index: mozilla/toolkit/crashreporter/google-breakpad/src/client/linux/dump_write
                                      const struct _libc_fpstate* fpregs) {
    const greg_t* regs = uc->uc_mcontext.gregs;
  
-@@ -145,15 +145,15 @@ void UContextReader::FillCPUContext(RawC
+   out->context_flags = MD_CONTEXT_AMD64_FULL;
+ 
+   out->cs = regs[REG_CSGSFS] & 0xffff;
+ 
+   out->fs = (regs[REG_CSGSFS] >> 32) & 0xffff;
+@@ -140,25 +140,25 @@ void UContextReader::FillCPUContext(RawC
+   out->flt_save.mx_csr = fpregs->mxcsr;
+   out->flt_save.mx_csr_mask = fpregs->mxcr_mask;
+   my_memcpy(&out->flt_save.float_registers, &fpregs->_st, 8 * 16);
+   my_memcpy(&out->flt_save.xmm_registers, &fpregs->_xmm, 16 * 16);
+ }
  
  #elif defined(__ARM_EABI__)
  
@@ -59,7 +88,17 @@ Index: mozilla/toolkit/crashreporter/google-breakpad/src/client/linux/dump_write
    out->context_flags = MD_CONTEXT_ARM_FULL;
  
    out->iregs[0] = uc->uc_mcontext.arm_r0;
-@@ -184,15 +184,15 @@ void UContextReader::FillCPUContext(RawC
+   out->iregs[1] = uc->uc_mcontext.arm_r1;
+   out->iregs[2] = uc->uc_mcontext.arm_r2;
+   out->iregs[3] = uc->uc_mcontext.arm_r3;
+   out->iregs[4] = uc->uc_mcontext.arm_r4;
+   out->iregs[5] = uc->uc_mcontext.arm_r5;
+@@ -179,25 +179,25 @@ void UContextReader::FillCPUContext(RawC
+   // TODO: fix this after fixing ExceptionHandler
+   out->float_save.fpscr = 0;
+   my_memset(&out->float_save.regs, 0, sizeof(out->float_save.regs));
+   my_memset(&out->float_save.extra, 0, sizeof(out->float_save.extra));
+ }
  
  #elif defined(__aarch64__)
  
@@ -78,7 +117,17 @@ Index: mozilla/toolkit/crashreporter/google-breakpad/src/client/linux/dump_write
                                      const struct fpsimd_context* fpregs) {
    out->context_flags = MD_CONTEXT_ARM64_FULL;
  
-@@ -210,15 +210,15 @@ void UContextReader::FillCPUContext(RawC
+   out->cpsr = static_cast<uint32_t>(uc->uc_mcontext.pstate);
+   for (int i = 0; i < MD_CONTEXT_ARM64_REG_SP; ++i)
+     out->iregs[i] = uc->uc_mcontext.regs[i];
+   out->iregs[MD_CONTEXT_ARM64_REG_SP] = uc->uc_mcontext.sp;
+   out->iregs[MD_CONTEXT_ARM64_REG_PC] = uc->uc_mcontext.pc;
+@@ -205,25 +205,25 @@ void UContextReader::FillCPUContext(RawC
+   out->float_save.fpsr = fpregs->fpsr;
+   out->float_save.fpcr = fpregs->fpcr;
+   my_memcpy(&out->float_save.regs, &fpregs->vregs,
+       MD_FLOATINGSAVEAREA_ARM64_FPR_COUNT * 16);
+ }
  
  #elif defined(__mips__)
  
@@ -97,11 +146,20 @@ Index: mozilla/toolkit/crashreporter/google-breakpad/src/client/linux/dump_write
  #if _MIPS_SIM == _ABI64
    out->context_flags = MD_CONTEXT_MIPS64_FULL;
  #elif _MIPS_SIM == _ABIO32
-Index: mozilla/toolkit/crashreporter/google-breakpad/src/client/linux/dump_writer_common/ucontext_reader.h
-===================================================================
---- mozilla.orig/toolkit/crashreporter/google-breakpad/src/client/linux/dump_writer_common/ucontext_reader.h
-+++ mozilla/toolkit/crashreporter/google-breakpad/src/client/linux/dump_writer_common/ucontext_reader.h
-@@ -41,21 +41,21 @@ namespace google_breakpad {
+   out->context_flags = MD_CONTEXT_MIPS_FULL;
+ #else
+ #error "This mips ABI is currently not supported (n32)"
+ #endif
+ 
+diff --git a/toolkit/crashreporter/breakpad-client/linux/dump_writer_common/ucontext_reader.h b/toolkit/crashreporter/breakpad-client/linux/dump_writer_common/ucontext_reader.h
+--- a/toolkit/crashreporter/breakpad-client/linux/dump_writer_common/ucontext_reader.h
++++ b/toolkit/crashreporter/breakpad-client/linux/dump_writer_common/ucontext_reader.h
+@@ -36,29 +36,29 @@
+ #include "linux/dump_writer_common/raw_context_cpu.h"
+ #include "common/memory.h"
+ #include "google_breakpad/common/minidump_format.h"
+ 
+ namespace google_breakpad {
  
  // Wraps platform-dependent implementations of accessors to ucontext structs.
  struct UContextReader {
@@ -128,11 +186,18 @@ Index: mozilla/toolkit/crashreporter/google-breakpad/src/client/linux/dump_write
  #endif
  };
  
-Index: mozilla/toolkit/crashreporter/google-breakpad/src/client/linux/handler/exception_handler.cc
-===================================================================
---- mozilla.orig/toolkit/crashreporter/google-breakpad/src/client/linux/handler/exception_handler.cc
-+++ mozilla/toolkit/crashreporter/google-breakpad/src/client/linux/handler/exception_handler.cc
-@@ -439,9 +439,9 @@ bool ExceptionHandler::HandleSignal(int
+ }  // namespace google_breakpad
+ 
+ #endif  // CLIENT_LINUX_DUMP_WRITER_COMMON_UCONTEXT_READER_H
+diff --git a/toolkit/crashreporter/breakpad-client/linux/handler/exception_handler.cc b/toolkit/crashreporter/breakpad-client/linux/handler/exception_handler.cc
+--- a/toolkit/crashreporter/breakpad-client/linux/handler/exception_handler.cc
++++ b/toolkit/crashreporter/breakpad-client/linux/handler/exception_handler.cc
+@@ -434,30 +434,30 @@ bool ExceptionHandler::HandleSignal(int 
+       info->si_code == SI_TKILL;
+   if (signal_trusted || (signal_pid_trusted && info->si_pid == getpid())) {
+     sys_prctl(PR_SET_DUMPABLE, 1, 0, 0, 0);
+   }
+ 
    // Fill in all the holes in the struct to make Valgrind happy.
    memset(&g_crash_context_, 0, sizeof(g_crash_context_));
    memcpy(&g_crash_context_.siginfo, info, sizeof(siginfo_t));
@@ -144,7 +209,10 @@ Index: mozilla/toolkit/crashreporter/google-breakpad/src/client/linux/handler/ex
    struct fpsimd_context* fp_ptr =
        (struct fpsimd_context*)&uc_ptr->uc_mcontext.__reserved;
    if (fp_ptr->head.magic == FPSIMD_MAGIC) {
-@@ -452,7 +452,7 @@ bool ExceptionHandler::HandleSignal(int
+     memcpy(&g_crash_context_.float_state, fp_ptr,
+            sizeof(g_crash_context_.float_state));
+   }
+ #elif !defined(__ARM_EABI__) && !defined(__mips__)
    // FP state is not part of user ABI on ARM Linux.
    // In case of MIPS Linux FP state is already part of struct ucontext
    // and 'float_state' is not a member of CrashContext.
@@ -153,7 +221,17 @@ Index: mozilla/toolkit/crashreporter/google-breakpad/src/client/linux/handler/ex
    if (uc_ptr->uc_mcontext.fpregs) {
      memcpy(&g_crash_context_.float_state, uc_ptr->uc_mcontext.fpregs,
             sizeof(g_crash_context_.float_state));
-@@ -476,7 +476,7 @@ bool ExceptionHandler::SimulateSignalDel
+   }
+ #endif
+   g_crash_context_.tid = syscall(__NR_gettid);
+   if (crash_handler_ != NULL) {
+     if (crash_handler_(&g_crash_context_, sizeof(g_crash_context_),
+@@ -471,17 +471,17 @@ bool ExceptionHandler::HandleSignal(int 
+ // This is a public interface to HandleSignal that allows the client to
+ // generate a crash dump. This function may run in a compromised context.
+ bool ExceptionHandler::SimulateSignalDelivery(int sig) {
+   siginfo_t siginfo = {};
+   // Mimic a trusted signal to allow tracing the process (see
    // ExceptionHandler::HandleSignal().
    siginfo.si_code = SI_USER;
    siginfo.si_pid = getpid();
@@ -162,11 +240,20 @@ Index: mozilla/toolkit/crashreporter/google-breakpad/src/client/linux/handler/ex
    getcontext(&context);
    return HandleSignal(sig, &siginfo, &context);
  }
-Index: mozilla/toolkit/crashreporter/google-breakpad/src/client/linux/handler/exception_handler.h
-===================================================================
---- mozilla.orig/toolkit/crashreporter/google-breakpad/src/client/linux/handler/exception_handler.h
-+++ mozilla/toolkit/crashreporter/google-breakpad/src/client/linux/handler/exception_handler.h
-@@ -191,7 +191,7 @@ class ExceptionHandler {
+ 
+ // This function may run in a compromised context: see the top of the file.
+ bool ExceptionHandler::GenerateDump(CrashContext *context) {
+   if (IsOutOfProcess())
+     return crash_generation_client_->RequestDump(context, sizeof(*context));
+diff --git a/toolkit/crashreporter/breakpad-client/linux/handler/exception_handler.h b/toolkit/crashreporter/breakpad-client/linux/handler/exception_handler.h
+--- a/toolkit/crashreporter/breakpad-client/linux/handler/exception_handler.h
++++ b/toolkit/crashreporter/breakpad-client/linux/handler/exception_handler.h
+@@ -186,17 +186,17 @@ class ExceptionHandler {
+                                     MinidumpCallback callback,
+                                     void* callback_context);
+ 
+   // This structure is passed to minidump_writer.h:WriteMinidump via an opaque
+   // blob. It shouldn't be needed in any user code.
    struct CrashContext {
      siginfo_t siginfo;
      pid_t tid;  // the crashing thread.
@@ -175,11 +262,20 @@ Index: mozilla/toolkit/crashreporter/google-breakpad/src/client/linux/handler/ex
  #if !defined(__ARM_EABI__) && !defined(__mips__)
      // #ifdef this out because FP state is not part of user ABI for Linux ARM.
      // In case of MIPS Linux FP state is already part of struct
-Index: mozilla/toolkit/crashreporter/google-breakpad/src/client/linux/microdump_writer/microdump_writer.cc
-===================================================================
---- mozilla.orig/toolkit/crashreporter/google-breakpad/src/client/linux/microdump_writer/microdump_writer.cc
-+++ mozilla/toolkit/crashreporter/google-breakpad/src/client/linux/microdump_writer/microdump_writer.cc
-@@ -571,7 +571,7 @@ class MicrodumpWriter {
+     // ucontext so 'float_state' is not required.
+     fpstate_t float_state;
+ #endif
+   };
+ 
+diff --git a/toolkit/crashreporter/breakpad-client/linux/microdump_writer/microdump_writer.cc b/toolkit/crashreporter/breakpad-client/linux/microdump_writer/microdump_writer.cc
+--- a/toolkit/crashreporter/breakpad-client/linux/microdump_writer/microdump_writer.cc
++++ b/toolkit/crashreporter/breakpad-client/linux/microdump_writer/microdump_writer.cc
+@@ -566,17 +566,17 @@ class MicrodumpWriter {
+          ++iter) {
+       DumpModule(iter->first, false, 0, iter->second);
+     }
+     return true;
+   }
  
    void* Alloc(unsigned bytes) { return dumper_->allocator()->Alloc(bytes); }
  
@@ -188,11 +284,20 @@ Index: mozilla/toolkit/crashreporter/google-breakpad/src/client/linux/microdump_
  #if !defined(__ARM_EABI__) && !defined(__mips__)
    const google_breakpad::fpstate_t* const float_state_;
  #endif
-Index: mozilla/toolkit/crashreporter/google-breakpad/src/client/linux/minidump_writer/minidump_writer.cc
-===================================================================
---- mozilla.orig/toolkit/crashreporter/google-breakpad/src/client/linux/minidump_writer/minidump_writer.cc
-+++ mozilla/toolkit/crashreporter/google-breakpad/src/client/linux/minidump_writer/minidump_writer.cc
-@@ -1247,7 +1247,7 @@ class MinidumpWriter {
+   LinuxDumper* dumper_;
+   const MappingList& mapping_list_;
+   const MicrodumpExtraInfo microdump_extra_info_;
+   char* log_line_;
+ };
+diff --git a/toolkit/crashreporter/breakpad-client/linux/minidump_writer/minidump_writer.cc b/toolkit/crashreporter/breakpad-client/linux/minidump_writer/minidump_writer.cc
+--- a/toolkit/crashreporter/breakpad-client/linux/minidump_writer/minidump_writer.cc
++++ b/toolkit/crashreporter/breakpad-client/linux/minidump_writer/minidump_writer.cc
+@@ -1242,17 +1242,17 @@ class MinidumpWriter {
+       return false;
+     return WriteFile(result, buf);
+   }
+ 
+   // Only one of the 2 member variables below should be set to a valid value.
    const int fd_;  // File descriptor where the minidum should be written.
    const char* path_;  // Path to the file where the minidum should be written.
  
@@ -201,3 +306,8 @@ Index: mozilla/toolkit/crashreporter/google-breakpad/src/client/linux/minidump_w
  #if !defined(__ARM_EABI__) && !defined(__mips__)
    const google_breakpad::fpstate_t* const float_state_;  // ditto
  #endif
+   LinuxDumper* dumper_;
+   MinidumpFileWriter minidump_writer_;
+   off_t minidump_size_limit_;
+   MDLocationDescriptor crashing_thread_context_;
+   // Blocks of memory written to the dump. These are all currently
diff --git a/mozilla.sh.in b/mozilla.sh.in
index 1b4c127..03f268b 100644
--- a/mozilla.sh.in
+++ b/mozilla.sh.in
@@ -102,6 +102,10 @@ fi
 # disable Gnome crash dialog (doesn't make sense anyway)
 export GNOME_DISABLE_CRASH_DIALOG=1
 
+# enable xinput2 (boo#1032003)
+# breaks too many things right now (boo#1053959)
+#export MOZ_USE_XINPUT2=1
+
 moz_debug=0
 script_args=""
 pass_arg_count=0
diff --git a/source-stamp.txt b/source-stamp.txt
index afd795f..36a658e 100644
--- a/source-stamp.txt
+++ b/source-stamp.txt
@@ -1,2 +1,2 @@
-REV=20a1a6ad46d5
-REPO=http://hg.mozilla.org/releases/mozilla-esr52
+REV=10a244c0f835
+REPO=http://hg.mozilla.org/releases/mozilla-release