diff --git a/.abf.yml b/.abf.yml
index 7b60a8b..e8440c8 100644
--- a/.abf.yml
+++ b/.abf.yml
@@ -1,4 +1,4 @@
 sources:
-  cbindgen-vendor.tar.xz: 7efa6255e73d8e3c9dc674822d2e29ebc0e3391b
-  firefox-66.0.5.source.tar.xz: f2704b63626a6305ce93ee201997d641a9f71ad4
+  cbindgen-vendor.tar.xz: 5ed5e4744f281d217e56035036af4cef24a29935
+  firefox-67.0.source.tar.xz: c7a5f3182999e5efed5c714653adc538bb75aa53
   firefox-dictionary-61.0.2.tar.bz2: 25929c585dc8568a32d5be49aacc672f0ed2202f
diff --git a/firefox-kde.patch b/firefox-kde.patch
index f5af168..3e3a1f0 100644
--- a/firefox-kde.patch
+++ b/firefox-kde.patch
@@ -1,11 +1,11 @@
 # HG changeset patch
-# Parent  87262204aa945e6fce864193d103a93659bf76f6
+# Parent  18632e53d0b0c4c03f254ca2dbbeac8f48ec6f5c
 
 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 +1,1408 @@
+@@ -0,0 +1,1404 @@
 +#filter substitution
 +<?xml version="1.0"?>
 +# -*- Mode: HTML -*-
@@ -80,7 +80,6 @@ new file mode 100644
 +        retargetdocumentfocus="urlbar"
 +        persist="screenX screenY width height sizemode"
 +#ifdef BROWSER_XHTML
-+        hidden="true"
 +        mozpersist=""
 +#endif
 +        >
@@ -90,11 +89,7 @@ new file mode 100644
 +# that they can be shared with macWindow.inc.xul.
 +#include global-scripts.inc
 +
-+<script type="application/javascript"
-+#ifdef BROWSER_XHTML
-+xmlns="http://www.w3.org/1999/xhtml"
-+#endif
-+>
++<script type="application/javascript">
 +  Services.scriptloader.loadSubScript("chrome://global/content/contentAreaUtils.js", this);
 +  Services.scriptloader.loadSubScript("chrome://browser/content/browser-captivePortal.js", this);
 +  Services.scriptloader.loadSubScript("chrome://browser/content/browser-compacttheme.js", this);
@@ -111,23 +106,16 @@ new file mode 100644
 +  Services.scriptloader.loadSubScript("chrome://browser/content/browser-sidebar.js", this);
 +  Services.scriptloader.loadSubScript("chrome://browser/content/browser-tabsintitlebar.js", this);
 +  Services.scriptloader.loadSubScript("chrome://browser/content/tabbrowser.js", this);
++  Services.scriptloader.loadSubScript("chrome://browser/content/search/autocomplete-popup.js", this);
 +  Services.scriptloader.loadSubScript("chrome://browser/content/search/searchbar.js", this);
 +
 +  window.onload = gBrowserInit.onLoad.bind(gBrowserInit);
 +  window.onunload = gBrowserInit.onUnload.bind(gBrowserInit);
 +  window.onclose = WindowIsClosing;
 +
-+#ifdef BROWSER_XHTML
-+  window.addEventListener("readystatechange", () => {
-+    // We initially hide the window to prevent layouts during parse. This lets us
-+    // avoid accidental XBL construction and better match browser.xul (see Bug 1497975).
-+    gBrowserInit.onBeforeInitialXULLayout();
-+    document.documentElement.removeAttribute("hidden");
-+  }, { once: true, capture: true });
-+#else
 +  window.addEventListener("MozBeforeInitialXULLayout",
 +    gBrowserInit.onBeforeInitialXULLayout.bind(gBrowserInit), { once: true });
-+#endif
++
 +  // The listener of DOMContentLoaded must be set on window, rather than
 +  // document, because the window can go away before the event is fired.
 +  // In that case, we don't want to initialize anything, otherwise we
@@ -244,7 +232,8 @@ new file mode 100644
 +
 +    <!-- for search and content formfill/pw manager -->
 +
-+    <panel type="autocomplete-richlistbox"
++    <panel is="autocomplete-richlistbox-popup"
++           type="autocomplete-richlistbox"
 +           id="PopupAutoComplete"
 +           role="group"
 +           noautofocus="true"
@@ -254,7 +243,8 @@ new file mode 100644
 +           nomaxresults="true" />
 +
 +    <!-- for search with one-off buttons -->
-+    <panel type="autocomplete-richlistbox"
++    <panel is="search-autocomplete-richlistbox-popup"
++           type="autocomplete-richlistbox"
 +           id="PopupSearchAutoComplete"
 +           role="group"
 +           noautofocus="true"
@@ -270,27 +260,6 @@ new file mode 100644
 +           level="parent"
 +           overflowpadding="15" />
 +
-+    <!-- for url bar autocomplete -->
-+    <panel id="urlbar-results"
-+           role="group"
-+           noautofocus="true"
-+           hidden="true"
-+           flip="none"
-+           consumeoutsideclicks="never"
-+           norolluponanchor="true"
-+           level="parent">
-+      <html:div class="urlbarView-body-outer">
-+        <html:div class="urlbarView-body-inner">
-+          <!-- TODO: add search suggestions notification -->
-+          <html:div class="urlbarView-results"/>
-+        </html:div>
-+      </html:div>
-+      <hbox class="search-one-offs"
-+            compact="true"
-+            includecurrentengine="true"
-+            disabletab="true"/>
-+    </panel>
-+
 +    <!-- for date/time picker. consumeoutsideclicks is set to never, so that
 +         clicks on the anchored input box are never consumed. -->
 +    <panel id="DateTimePickerPanel"
@@ -581,6 +550,8 @@ new file mode 100644
 +           position="bottomcenter topright"
 +           tabspecific="true"
 +           noautofocus="true"
++           pinTab-title="&pinTab.label;"
++           unpinTab-title="&unpinTab.label;"
 +           pocket-title="&saveToPocketCmd.label;"
 +           copyURL-title="&pageAction.copyLink.label;"
 +           emailLink-title="&emailPageCmd.label;"
@@ -607,9 +578,12 @@ new file mode 100644
 +           tabspecific="true"
 +           noautofocus="true">
 +      <hbox id="confirmation-hint-checkmark-animation-container">
-+        <image id="confirmation-hint-checkmark-image"/>
++       <image id="confirmation-hint-checkmark-image"/>
 +      </hbox>
-+      <label id="confirmation-hint-message"/>
++      <vbox id="confirmation-hint-message-container">
++       <label id="confirmation-hint-message"/>
++       <label id="confirmation-hint-description"/>
++      </vbox>
 +    </panel>
 +
 +    <menupopup id="pageActionContextMenu"
@@ -843,6 +817,7 @@ new file mode 100644
 +             overflowpanel="widget-overflow"
 +             context="toolbar-context-menu">
 +
++      <toolbartabstop/>
 +      <hbox id="nav-bar-customization-target" flex="1">
 +        <toolbarbutton id="back-button" class="toolbarbutton-1 chromeclass-toolbar-additional"
 +                       label="&backCmd.label;"
@@ -896,11 +871,13 @@ new file mode 100644
 +        <toolbaritem id="urlbar-container" flex="400" persist="width"
 +                     removable="false"
 +                     class="chromeclass-location" overflows="false">
++            <toolbartabstop/>
 +            <textbox id="urlbar" flex="1"
 +                     placeholder="&urlbar.placeholder2;"
 +                     defaultPlaceholder="&urlbar.placeholder2;"
 +                     focused="true"
 +                     type="autocomplete"
++                     quantumbar="false"
 +                     autocompletesearch="unifiedcomplete"
 +                     autocompletesearchparam="enable-actions"
 +                     autocompletepopup="PopupAutoCompleteRichResult"
@@ -1015,6 +992,7 @@ new file mode 100644
 +                <label id="extension" class="urlbar-display urlbar-display-extension" value="&urlbar.extension.label;"/>
 +              </box>
 +              <hbox id="page-action-buttons" context="pageActionContextMenu">
++                <toolbartabstop/>
 +                <hbox id="contextual-feature-recommendation" role="button" hidden="true">
 +                  <hbox id="cfr-label-container">
 +                    <label id="cfr-label"/>
@@ -1072,6 +1050,7 @@ new file mode 100644
 +                </hbox>
 +              </hbox>
 +            </textbox>
++            <toolbartabstop/>
 +        </toolbaritem>
 +
 +        <toolbarspring cui-areatype="toolbar" class="chromeclass-toolbar-additional"/>
@@ -1083,6 +1062,7 @@ new file mode 100644
 +                       class="toolbarbutton-1 chromeclass-toolbar-additional badged-button"
 +                       key="key_openDownloads"
 +                       onmousedown="DownloadsIndicatorView.onCommand(event);"
++                       onkeypress="DownloadsIndicatorView.onCommand(event);"
 +                       ondrop="DownloadsIndicatorView.onDrop(event);"
 +                       ondragover="DownloadsIndicatorView.onDragOver(event);"
 +                       ondragenter="DownloadsIndicatorView.onDragOver(event);"
@@ -1115,6 +1095,19 @@ new file mode 100644
 +                       tooltiptext="&libraryButton.tooltip;"
 +                       label="&places.library.title;"/>
 +
++        <toolbarbutton id="fxa-toolbar-menu-button" class="toolbarbutton-1 badged-button chromeclass-toolbar-additional subviewbutton-nav"
++                       onmousedown="gSync.toggleAccountPanel('PanelUI-fxa', event)"
++                       onkeypress="gSync.toggleAccountPanel('PanelUI-fxa', event)"
++                       consumeanchor="fxa-toolbar-menu-button"
++                       closemenu="none"
++                       label="&fxa.menu.firefoxAccount;"
++                       tooltiptext="&fxa.menu.firefoxAccount;"
++                       cui-areatype="toolbar"
++                       removable="true">
++                       <vbox>
++                        <image id="fxa-avatar-image"/>
++                       </vbox>
++        </toolbarbutton>
 +      </hbox>
 +
 +      <toolbarbutton id="nav-bar-overflow-button"
@@ -1167,6 +1160,7 @@ new file mode 100644
 +             toolbarname="&personalbarCmd.label;" accesskey="&personalbarCmd.accesskey;"
 +             collapsed="true"
 +             customizable="true">
++      <toolbartabstop skipintoolbarset="true"/>
 +      <toolbaritem id="personal-bookmarks"
 +                   title="&bookmarksToolbarItem.label;"
 +                   cui-areatype="toolbar"
@@ -1336,7 +1330,9 @@ new file mode 100644
 +                   align="center"
 +                   flex="100"
 +                   persist="width">
++        <toolbartabstop/>
 +        <searchbar id="searchbar" flex="1"/>
++        <toolbartabstop/>
 +      </toolbaritem>
 +    </toolbarpalette>
 +  </toolbox>
@@ -1436,70 +1432,10 @@ diff --git a/browser/base/jar.mn b/browser/base/jar.mn
          content/browser/browser-data-submission-info-bar.js (content/browser-data-submission-info-bar.js)
          content/browser/browser-compacttheme.js       (content/browser-compacttheme.js)
          content/browser/browser-contentblocking.js    (content/browser-contentblocking.js)
-diff --git a/browser/components/build/nsModule.cpp b/browser/components/build/nsModule.cpp
---- a/browser/components/build/nsModule.cpp
-+++ b/browser/components/build/nsModule.cpp
-@@ -8,17 +8,17 @@
- #include "nsBrowserCompsCID.h"
- #include "DirectoryProvider.h"
- 
- #if defined(XP_WIN)
- #  include "nsWindowsShellService.h"
- #elif defined(XP_MACOSX)
- #  include "nsMacShellService.h"
- #elif defined(MOZ_WIDGET_GTK)
--#  include "nsGNOMEShellService.h"
-+#  include "nsUnixShellService.h"
- #endif
- #include "nsIToolkitShellService.h"
- 
- #if defined(MOZ_WIDGET_COCOA)
- #  include "nsMacAttribution.h"
- #endif
- 
- #if defined(XP_WIN)
-@@ -34,18 +34,16 @@ using namespace mozilla::browser;
- 
- /////////////////////////////////////////////////////////////////////////////
- 
- NS_GENERIC_FACTORY_CONSTRUCTOR(DirectoryProvider)
- #if defined(XP_WIN)
- NS_GENERIC_FACTORY_CONSTRUCTOR(nsWindowsShellService)
- #elif defined(XP_MACOSX)
- NS_GENERIC_FACTORY_CONSTRUCTOR(nsMacShellService)
--#elif defined(MOZ_WIDGET_GTK)
--NS_GENERIC_FACTORY_CONSTRUCTOR_INIT(nsGNOMEShellService, Init)
- #endif
- 
- #if defined(MOZ_WIDGET_COCOA)
- NS_GENERIC_FACTORY_CONSTRUCTOR(nsMacAttributionService)
- #endif
- 
- #if defined(XP_WIN)
- NS_GENERIC_FACTORY_CONSTRUCTOR(nsIEHistoryEnumerator)
-@@ -64,17 +62,17 @@ NS_DEFINE_NAMED_CID(NS_MACATTRIBUTIONSER
- #endif
- 
- static const mozilla::Module::CIDEntry kBrowserCIDs[] = {
-     // clang-format off
-     { &kNS_BROWSERDIRECTORYPROVIDER_CID, false, nullptr, DirectoryProviderConstructor },
- #if defined(XP_WIN)
-     { &kNS_SHELLSERVICE_CID, false, nullptr, nsWindowsShellServiceConstructor },
- #elif defined(MOZ_WIDGET_GTK)
--    { &kNS_SHELLSERVICE_CID, false, nullptr, nsGNOMEShellServiceConstructor },
-+    { &kNS_SHELLSERVICE_CID, false, nullptr, nsUnixShellServiceConstructor },
- #elif defined(XP_MACOSX)
-     { &kNS_SHELLSERVICE_CID, false, nullptr, nsMacShellServiceConstructor },
- #endif
-     { &kNS_BROWSER_ABOUT_REDIRECTOR_CID, false, nullptr, AboutRedirector::Create },
- #if defined(XP_WIN)
-     { &kNS_WINIEHISTORYENUMERATOR_CID, false, nullptr, nsIEHistoryEnumeratorConstructor },
- #endif
- #if defined(MOZ_WIDGET_COCOA)
 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
-@@ -289,16 +289,23 @@ var gMainPane = {
+@@ -288,16 +288,23 @@ var gMainPane = {
            this._backoffIndex++ : backoffTimes.length - 1]);
        };
  
@@ -1523,7 +1459,7 @@ diff --git a/browser/components/preferences/in-content/main.js b/browser/compone
      performanceSettingsLink.setAttribute("href", performanceSettingsUrl);
  
      this.updateDefaultPerformanceSettingsPref();
-@@ -1021,16 +1028,27 @@ var gMainPane = {
+@@ -1025,16 +1032,27 @@ var gMainPane = {
        // Reset exponential backoff delay time in order to do visual update in pollForDefaultBrowser.
        this._backoffIndex = 0;
  
@@ -1815,7 +1751,7 @@ new file mode 100644
 diff --git a/browser/installer/package-manifest.in b/browser/installer/package-manifest.in
 --- a/browser/installer/package-manifest.in
 +++ b/browser/installer/package-manifest.in
-@@ -452,16 +452,18 @@
+@@ -286,16 +286,18 @@
  @RESPATH@/browser/defaults/settings/pinning
  @RESPATH@/browser/defaults/settings/main
  
diff --git a/firefox.cfg b/firefox.cfg
index 5271b08..9e8d7c4 100644
--- a/firefox.cfg
+++ b/firefox.cfg
@@ -1,7 +1,7 @@
 #code
 pref("browser.rights.3.shown", false);
 defaultPref("browser.startup.homepage", "data:text/html,browser.startup.homepage=file:///usr/share/doc/HTML/index.html");
-pref("startup.homepage_welcome_url", "file:///usr/share/branding-configs/fresh/first_startup.html");
+pref("startup.homepage_welcome_url", "file:///usr/share/doc/HTML/first_startup.html");
 pref("browser.shell.checkDefaultBrowser", false);
 pref("browser.ctrlTab.previews", true);
 pref("browser.backspace_action", 2);
diff --git a/firefox.spec b/firefox.spec
index bda8f25..65fd374 100644
--- a/firefox.spec
+++ b/firefox.spec
@@ -10,7 +10,7 @@
 # This also means only STABLE upstream releases, NO betas.
 # This is a discussed topic. Please, do not flame it again.
 
-%define major 66.0.5
+%define major 67.0
 %define ff_epoch 0
 # (tpg) set version HERE !!!
 %define realver %{major}
diff --git a/mozilla-kde.patch b/mozilla-kde.patch
index 9e86ba4..ba80c56 100644
--- a/mozilla-kde.patch
+++ b/mozilla-kde.patch
@@ -1,5 +1,5 @@
 # HG changeset patch
-# Parent  f55e33a10c2a23625826ef6f8dbe18d5a455d29e
+# Parent  cafacdb0b7c50666e5dcc927684a23e8733206a5
 Description: Add KDE integration to Firefox (toolkit parts)
 Author: Wolfgang Rosenauer <wolfgang@rosenauer.org>
 Author: Lubos Lunak <lunak@suse.com>
@@ -27,7 +27,7 @@ diff --git a/modules/libpref/Preferences.cpp b/modules/libpref/Preferences.cpp
  #ifdef XP_WIN
  #  include "windows.h"
  #endif
-@@ -4467,25 +4468,37 @@ float MOZ_MAYBE_UNUSED GetPref<float>(co
+@@ -4493,25 +4494,37 @@ float MOZ_MAYBE_UNUSED GetPref<float>(co
    // application pref files for backwards compatibility.
    static const char* specialFiles[] = {
  #if defined(XP_MACOSX)
@@ -65,7 +65,7 @@ diff --git a/modules/libpref/Preferences.cpp b/modules/libpref/Preferences.cpp
  
    // Load jar:$app/omni.jar!/defaults/preferences/*.js
    // or jar:$gre/omni.jar!/defaults/preferences/*.js.
-@@ -4533,17 +4546,17 @@ float MOZ_MAYBE_UNUSED GetPref<float>(co
+@@ -4559,17 +4572,17 @@ float MOZ_MAYBE_UNUSED GetPref<float>(co
        }
  
        nsCOMPtr<nsIFile> path = do_QueryInterface(elem);
@@ -97,21 +97,21 @@ diff --git a/modules/libpref/moz.build b/modules/libpref/moz.build
  ]
  
 +LOCAL_INCLUDES += [
-+     '/toolkit/xre'
++    '/toolkit/xre'
 +]
 +
+ XPCOM_MANIFESTS += [
+     'components.conf',
+ ]
+ 
  include('/ipc/chromium/chromium-config.mozbuild')
  
  FINAL_LIBRARY = 'xul'
  
- DEFINES['OS_ARCH'] = CONFIG['OS_ARCH']
- DEFINES['MOZ_WIDGET_TOOLKIT'] = CONFIG['MOZ_WIDGET_TOOLKIT']
- 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
-@@ -220,16 +220,17 @@ class Flags(OrderedDict):
+@@ -223,16 +223,17 @@ class Flags(OrderedDict):
          'contentaccessible': Flag,
          'os': StringFlag,
          'osversion': VersionFlag,
@@ -153,7 +153,7 @@ 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
-@@ -41,10 +41,14 @@ EXTRA_JS_MODULES += [
+@@ -41,10 +41,14 @@ XPCOM_MANIFESTS += [
  
  if CONFIG['MOZ_PLACES']:
      EXTRA_JS_MODULES += [
@@ -171,25 +171,25 @@ diff --git a/toolkit/components/downloads/moz.build b/toolkit/components/downloa
 diff --git a/toolkit/content/jar.mn b/toolkit/content/jar.mn
 --- a/toolkit/content/jar.mn
 +++ b/toolkit/content/jar.mn
-@@ -65,16 +65,18 @@ toolkit.jar:
+@@ -63,16 +63,18 @@ toolkit.jar:
+    content/global/widgets.css
+    content/global/bindings/autocomplete.xml    (widgets/autocomplete.xml)
     content/global/bindings/button.xml          (widgets/button.xml)
     content/global/bindings/calendar.js         (widgets/calendar.js)
-    content/global/bindings/checkbox.xml        (widgets/checkbox.xml)
     content/global/bindings/datekeeper.js       (widgets/datekeeper.js)
     content/global/bindings/datepicker.js       (widgets/datepicker.js)
-    content/global/bindings/datetimebox.xml     (widgets/datetimebox.xml)
     content/global/bindings/datetimebox.css     (widgets/datetimebox.css)
  *  content/global/bindings/dialog.xml          (widgets/dialog.xml)
 +*  content/global/bindings/dialog-kde.xml      (widgets/dialog-kde.xml)
 +% override chrome://global/content/bindings/dialog.xml chrome://global/content/bindings/dialog-kde.xml desktop=kde
     content/global/bindings/general.xml         (widgets/general.xml)
     content/global/bindings/menu.xml            (widgets/menu.xml)
-    content/global/bindings/menulist.xml        (widgets/menulist.xml)
-    content/global/bindings/notification.xml    (widgets/notification.xml)
     content/global/bindings/popup.xml           (widgets/popup.xml)
     content/global/bindings/radio.xml           (widgets/radio.xml)
     content/global/bindings/richlistbox.xml     (widgets/richlistbox.xml)
     content/global/bindings/scrollbox.xml       (widgets/scrollbox.xml)
+    content/global/bindings/spinner.js          (widgets/spinner.js)
+    content/global/bindings/tabbox.xml          (widgets/tabbox.xml)
 diff --git a/toolkit/content/widgets/dialog-kde.xml b/toolkit/content/widgets/dialog-kde.xml
 new file mode 100644
 --- /dev/null
@@ -702,10 +702,10 @@ new file mode 100644
 +  </binding>
 +
 +</bindings>
-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
-@@ -1033,30 +1033,60 @@ nsUnknownContentTypeDialog.prototype = {
+diff --git a/toolkit/mozapps/downloads/HelperAppDlg.jsm b/toolkit/mozapps/downloads/HelperAppDlg.jsm
+--- a/toolkit/mozapps/downloads/HelperAppDlg.jsm
++++ b/toolkit/mozapps/downloads/HelperAppDlg.jsm
+@@ -1030,30 +1030,60 @@ nsUnknownContentTypeDialog.prototype = {
  
        if (params.handlerApp &&
            params.handlerApp.executable &&
@@ -794,14 +794,14 @@ diff --git a/toolkit/system/unixproxy/nsUnixSystemProxySettings.cpp b/toolkit/sy
  #include "nsIURI.h"
 +#include "nsKDEUtils.h"
  
+ using namespace mozilla;
+ 
  class nsUnixSystemProxySettings final : public nsISystemProxySettings {
   public:
    NS_DECL_ISUPPORTS
    NS_DECL_NSISYSTEMPROXYSETTINGS
  
-   nsUnixSystemProxySettings() : mSchemeProxySettings(4) {}
-   nsresult Init();
-@@ -42,16 +43,18 @@ class nsUnixSystemProxySettings final : 
+@@ -44,16 +45,18 @@ class nsUnixSystemProxySettings final : 
                                     nsACString& aResult);
    nsresult GetProxyFromGConf(const nsACString& aScheme, const nsACString& aHost,
                               int32_t aPort, nsACString& aResult);
@@ -820,7 +820,7 @@ diff --git a/toolkit/system/unixproxy/nsUnixSystemProxySettings.cpp b/toolkit/sy
  nsUnixSystemProxySettings::GetMainThreadOnly(bool* aMainThreadOnly) {
    // dbus prevents us from being threadsafe, but this routine should not block
    // anyhow
-@@ -488,16 +491,19 @@ nsresult nsUnixSystemProxySettings::GetP
+@@ -487,22 +490,51 @@ nsresult nsUnixSystemProxySettings::GetP
    return NS_OK;
  }
  
@@ -840,16 +840,7 @@ diff --git a/toolkit/system/unixproxy/nsUnixSystemProxySettings.cpp b/toolkit/sy
  
    return GetProxyFromEnvironment(aScheme, aHost, aPort, aResult);
  }
-@@ -521,8 +527,34 @@ static const mozilla::Module::CIDEntry k
- static const mozilla::Module::ContractIDEntry kUnixProxyContracts[] = {
-     {NS_SYSTEMPROXYSETTINGS_CONTRACTID, &kNS_UNIXSYSTEMPROXYSERVICE_CID},
-     {nullptr}};
  
- static const mozilla::Module kUnixProxyModule = {
-     mozilla::Module::kVersion, kUnixProxyCIDs, kUnixProxyContracts};
- 
- NSMODULE_DEFN(nsUnixProxyModule) = &kUnixProxyModule;
-+
 +nsresult
 +nsUnixSystemProxySettings::GetProxyFromKDE(const nsACString& aScheme,
 +                                           const nsACString& aHost,
@@ -875,10 +866,16 @@ diff --git a/toolkit/system/unixproxy/nsUnixSystemProxySettings.cpp b/toolkit/sy
 +  return NS_OK;
 +}
 +
++
+ NS_IMPL_COMPONENT_FACTORY(nsUnixSystemProxySettings) {
+   auto result = MakeRefPtr<nsUnixSystemProxySettings>();
+   result->Init();
+   return result.forget().downcast<nsISupports>();
+ }
 diff --git a/toolkit/xre/moz.build b/toolkit/xre/moz.build
 --- a/toolkit/xre/moz.build
 +++ b/toolkit/xre/moz.build
-@@ -81,17 +81,19 @@ elif CONFIG['MOZ_WIDGET_TOOLKIT'] == 'co
+@@ -83,17 +83,19 @@ elif CONFIG['MOZ_WIDGET_TOOLKIT'] == 'co
          '../components/printingui',
      ]
  elif CONFIG['MOZ_WIDGET_TOOLKIT'] == 'uikit':
@@ -897,7 +894,7 @@ diff --git a/toolkit/xre/moz.build b/toolkit/xre/moz.build
          'nsNativeAppSupportDefault.cpp',
      ]
  
- if CONFIG['MOZ_WIDGET_TOOLKIT'] == 'gtk3':
+ if CONFIG['MOZ_HAS_REMOTE']:
 diff --git a/toolkit/xre/nsKDEUtils.cpp b/toolkit/xre/nsKDEUtils.cpp
 new file mode 100644
 --- /dev/null
@@ -1343,7 +1340,7 @@ diff --git a/uriloader/exthandler/HandlerServiceParent.cpp b/uriloader/exthandle
 diff --git a/uriloader/exthandler/moz.build b/uriloader/exthandler/moz.build
 --- a/uriloader/exthandler/moz.build
 +++ b/uriloader/exthandler/moz.build
-@@ -76,17 +76,19 @@ else:
+@@ -80,17 +80,19 @@ else:
      SOURCES += [
          osdir + '/nsOSHelperAppService.cpp',
      ]
@@ -1363,7 +1360,7 @@ diff --git a/uriloader/exthandler/moz.build b/uriloader/exthandler/moz.build
          'android/nsExternalURLHandlerService.cpp',
          'android/nsMIMEInfoAndroid.cpp',
      ]
-@@ -120,16 +122,17 @@ include('/ipc/chromium/chromium-config.m
+@@ -130,16 +132,17 @@ include('/ipc/chromium/chromium-config.m
  FINAL_LIBRARY = 'xul'
  
  LOCAL_INCLUDES += [
@@ -1797,7 +1794,7 @@ 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
-@@ -116,16 +116,17 @@ include('/ipc/chromium/chromium-config.m
+@@ -121,16 +121,17 @@ include('/ipc/chromium/chromium-config.m
  
  FINAL_LIBRARY = 'xul'
  
@@ -1914,7 +1911,7 @@ diff --git a/widget/gtk/nsFilePicker.cpp b/widget/gtk/nsFilePicker.cpp
  
    GtkFileChooserAction action = GetGtkFileChooserAction(mMode);
  
-@@ -571,16 +598,240 @@ void nsFilePicker::Done(void *file_choos
+@@ -572,16 +599,240 @@ void nsFilePicker::Done(void *file_choos
      mCallback->Done(result);
      mCallback = nullptr;
    } else {
@@ -2315,7 +2312,7 @@ diff --git a/xpcom/components/ManifestParser.cpp b/xpcom/components/ManifestPars
 diff --git a/xpcom/components/moz.build b/xpcom/components/moz.build
 --- a/xpcom/components/moz.build
 +++ b/xpcom/components/moz.build
-@@ -44,12 +44,13 @@ LOCAL_INCLUDES += [
+@@ -66,14 +66,15 @@ LOCAL_INCLUDES += [
      '!..',
      '../base',
      '../build',
@@ -2329,6 +2326,8 @@ diff --git a/xpcom/components/moz.build b/xpcom/components/moz.build
  
  if 'gtk' in CONFIG['MOZ_WIDGET_TOOLKIT']:
      CXXFLAGS += CONFIG['TK_CFLAGS']
+ 
+ include('/ipc/chromium/chromium-config.mozbuild')
 diff --git a/xpcom/io/nsLocalFileUnix.cpp b/xpcom/io/nsLocalFileUnix.cpp
 --- a/xpcom/io/nsLocalFileUnix.cpp
 +++ b/xpcom/io/nsLocalFileUnix.cpp