|     If set, changes the location of the disk cache.
 | browser.fixup.dns_first_for_single_words | boolean | Firefox 68, Firefox ESR 68 | false
 |     If true, single words are sent to DNS, not directly to search.
+| browser.newtabpage.activity-stream.default.sites | string | Firefox 72, ESR 68.4 | Locale dependent
+|     If set, a list of URLs to use as the default top sites on the new tab page.
 | browser.places.importBookmarksHTML | string | Firefox 70, Firefox ESR 68.2
 |     If true, bookmarks are always imported on startup.
 | browser.safebrowsing.phishing.enabled | string | Firefox 70, Firefox ESR 68.2 | true
 |     If false, the extensions blocklist is not used (Not recommended)
 | extensions.getAddons.showPane | boolean | Firefox 68, Firefox ESR 68 | N/A
 |     If false, the Recommendations tab is not displayed in the Add-ons Manager.
+| extensions.htmlaboutaddons.recommendations.enabled | boolean | Firefox 72, Firefox ESR 68.4 | true
+|     If false, recommendations are not shown on the Extensions tab in the Add-ons Manager.
 | geo.enabled | string | Firefox 70, Firefox ESR 68.2 | true
 |     If false, the geolocation API is disabled. | Language dependent
 | intl.accept_languages | string | Firefox 70, Firefox ESR 68.2
 |     If false, the OpenH264  plugin is not downloaded.
 | media.gmp-widevinecdm.enabled | boolean | Firefox 68, Firefox ESR 68 | true
 |     If false, the Widevine plugin is not downloaded.
+| media.peerconnection.enabled | boolean | Firefox 72, Firefox ESR 68.4 | true
+|     If false, WebRTC is disabled
+| media.peerconnection.ice.obfuscate_host_addresses.whitelist | string | Firefox 72, Firefox ESR 68.4 | N/A
+|     If set, a list of domains for which mDNS hostname obfuscation is
+disabled
 | network.dns.disableIPv6 | boolean | Firefox 68, Firefox ESR 68 | false
 |     If true, IPv6 DNS lokoups are disabled.
 | network.IDN_show_punycode | boolean | Firefox 68, Firefox ESR 68 | false
 |     If set to Select Automatically, Firefox automatically chooses the default personal certificate.
 | security.mixed_content.block_active_content | string | Firefox 70, Firefox ESR 68.2 | true
 |     If false, mixed active content (HTTP and HTTPS) is not blocked.
+| security.osclientcerts.autoload | boolean | Firefox 72, Firefox ESR 68.4 (Windows only) | false
+|     If true, client certificates are loaded from the operating system certificate store.
 | security.ssl.errorReporting.enabled | boolean | Firefox 68, Firefox ESR 68 | true
 |     If false, SSL errors cannot be sent to Mozilla.
+| security.tls.hello_downgrade_check | boolean | Firefox 72, Firefox ESR 68.4 | true
+|     If false, the TLS 1.3 downgrade check is disabled.
 | ui.key.menuAccessKeyFocuses | boolean | Firefox 68, Firefox ESR 68 | true
 |     If false, the Alt key doesn't show the menubar on Windows.
+| widget.content.gtk-theme-override | string | Firefox 72, Firefox ESR 68.4 (Linux only) | N/A
+|     If set, overrides the GTK theme for widgets.
 #### Windows (GPO)
 ```
 Software\Policies\Mozilla\Firefox\Preferences\boolean_preference_name = 0x1 | 0x0
 
 <?xml version="1.0" encoding="utf-8"?>
-<policyDefinitionResources revision="1.11" schemaVersion="1.0" >
+<policyDefinitionResources revision="1.12" schemaVersion="1.0" >
   <displayName/>
   <description/>
   <resources >
       <string id="SUPPORTED_FF69">Firefox 69 oder höher, Firefox 68.1 ESR oder höher</string>
       <string id="SUPPORTED_FF70">Firefox 70 oder höher, Firefox 68.2 ESR oder höher</string>
       <string id="SUPPORTED_FF71">Firefox 71 oder höher, Firefox 68.3 ESR oder höher</string>
+      <string id="SUPPORTED_FF72">Firefox 72 oder höher, Firefox 68.4 ESR oder höher</string>
       <string id="firefox">Firefox</string>
       <string id="Permissions_group">Berechtigungen</string>
       <string id="Camera_group">Kamera</string>
       <string id="security_ssl_errorReporting_enabled">security.ssl.errorReporting.enabled</string>
       <string id="security_mixed_content_block_active_content">security.mixed_content.block_active_content</string>
       <string id="ui_key_menuAccessKeyFocuses">ui.key.menuAccessKeyFocuses</string>
+      <string id="browser_newtabpage_activity-stream_default_sites">browser.newtabpage.activity-stream.default.sites</string>
+      <string id="extensions_htmlaboutaddons_recommendations_enabled">extensions.htmlaboutaddons.recommendations.enabled</string>
+      <string id="media_peerconnection_enabled">media.peerconnection.enabled</string>
+      <string id="media_peerconnection_ice_obfuscate_host_addresses_whitelist">media.peerconnection.ice.obfuscate_host_addresses.whitelist</string>
+      <string id="security_osclientcerts_autoload">security.osclientcerts.autoload</string>
+      <string id="security_tls_hello_downgrade_check">security.tls.hello_downgrade_check</string>
+      <string id="widget_content_gtk-theme-override">widget.content.gtk-theme-override</string>
     </stringTable>
     <presentationTable>
       <presentation id="AppUpdateURL">
 
 <?xml version="1.0" encoding="utf-8"?>
-<policyDefinitionResources revision="1.11" schemaVersion="1.0" >
+<policyDefinitionResources revision="1.12" schemaVersion="1.0" >
   <displayName/>
   <description/>
   <resources >
       <string id="SUPPORTED_FF69">Firefox 69 or later, Firefox 68.1 ESR or later</string>
       <string id="SUPPORTED_FF70">Firefox 70 or later, Firefox 68.2 ESR or later</string>
       <string id="SUPPORTED_FF71">Firefox 71 or later, Firefox 68.3 ESR or later</string>
+      <string id="SUPPORTED_FF72">Firefox 72 or later, Firefox 68.4 ESR or later</string>
       <string id="firefox">Firefox</string>
       <string id="Permissions_group">Permissions</string>
       <string id="Camera_group">Camera</string>
       <string id="security_ssl_errorReporting_enabled">security.ssl.errorReporting.enabled</string>
       <string id="security_mixed_content_block_active_content">security.mixed_content.block_active_content</string>
       <string id="ui_key_menuAccessKeyFocuses">ui.key.menuAccessKeyFocuses</string>
+      <string id="browser_newtabpage_activity-stream_default_sites">browser.newtabpage.activity-stream.default.sites</string>
+      <string id="extensions_htmlaboutaddons_recommendations_enabled">extensions.htmlaboutaddons.recommendations.enabled</string>
+      <string id="media_peerconnection_enabled">media.peerconnection.enabled</string>
+      <string id="media_peerconnection_ice_obfuscate_host_addresses_whitelist">media.peerconnection.ice.obfuscate_host_addresses.whitelist</string>
+      <string id="security_osclientcerts_autoload">security.osclientcerts.autoload</string>
+      <string id="security_tls_hello_downgrade_check">security.tls.hello_downgrade_check</string>
+      <string id="widget_content_gtk-theme-override">widget.content.gtk-theme-override</string>
     </stringTable>
     <presentationTable>
       <presentation id="AppUpdateURL">
 
 <?xml version="1.0" encoding="utf-8"?>
-<policyDefinitionResources revision="1.11" schemaVersion="1.0" >
+<policyDefinitionResources revision="1.12" schemaVersion="1.0" >
   <displayName/>
   <description/>
   <resources >
       <string id="SUPPORTED_FF69">Firefox 69 o posterior, Firefox 68.1 ESR o posterior</string>
       <string id="SUPPORTED_FF70">Firefox 70 o posterior, Firefox 68.2 ESR o posterior</string>
       <string id="SUPPORTED_FF71">Firefox 71 o posterior, Firefox 68.3 ESR o posterior</string>
+      <string id="SUPPORTED_FF72">Firefox 72 o posterior, Firefox 68.4 ESR o posterior</string>
       <string id="firefox">Firefox</string>
       <string id="Permissions_group">Permisos</string>
       <string id="Camera_group">Camera</string>
       <string id="security_ssl_errorReporting_enabled">security.ssl.errorReporting.enabled</string>
       <string id="security_mixed_content_block_active_content">security.mixed_content.block_active_content</string>
       <string id="ui_key_menuAccessKeyFocuses">ui.key.menuAccessKeyFocuses</string>
+      <string id="browser_newtabpage_activity-stream_default_sites">browser.newtabpage.activity-stream.default.sites</string>
+      <string id="extensions_htmlaboutaddons_recommendations_enabled">extensions.htmlaboutaddons.recommendations.enabled</string>
+      <string id="media_peerconnection_enabled">media.peerconnection.enabled</string>
+      <string id="media_peerconnection_ice_obfuscate_host_addresses_whitelist">media.peerconnection.ice.obfuscate_host_addresses.whitelist</string>
+      <string id="security_osclientcerts_autoload">security.osclientcerts.autoload</string>
+      <string id="security_tls_hello_downgrade_check">security.tls.hello_downgrade_check</string>
+      <string id="widget_content_gtk-theme-override">widget.content.gtk-theme-override</string>
     </stringTable>
     <presentationTable>
       <presentation id="AppUpdateURL">
 
 <?xml version="1.0" encoding="utf-8"?>
-<policyDefinitions revision="1.11" schemaVersion="1.0">
+<policyDefinitions revision="1.12" schemaVersion="1.0">
   <policyNamespaces>
     <target prefix="firefox" namespace="Mozilla.Policies.Firefox"/>
     <using prefix="Mozilla" namespace="Mozilla.Policies"/>
   </policyNamespaces>
-  <resources minRequiredRevision="1.11"/>
+  <resources minRequiredRevision="1.12"/>
   <supportedOn>
     <definitions>
       <definition name="UNSUPPORTED" displayName="$(string.UNSUPPORTED)"/>
       <definition name="SUPPORTED_FF6801" displayName="$(string.SUPPORTED_FF6801)"/>
       <definition name="SUPPORTED_FF70" displayName="$(string.SUPPORTED_FF70)"/>
       <definition name="SUPPORTED_FF71" displayName="$(string.SUPPORTED_FF71)"/>
+      <definition name="SUPPORTED_FF72" displayName="$(string.SUPPORTED_FF72)"/>
     </definitions>
   </supportedOn>
   <categories>
         </enum>
       </elements>
     </policy>
+    <policy name="browser_newtabpage_activity-stream_default_sites" class="Both" displayName="$(string.browser_newtabpage_activity-stream_default_sites)" explainText="$(string.Preferences_String_Explain)" key="Software\Policies\Mozilla\Firefox\Preferences" presentation="$(presentation.Preferences_String)" >
+      <parentCategory ref="Preferences" />
+      <supportedOn ref="SUPPORTED_FF72" />
+      <elements >
+        <text id="Preferences_String" valueName="browser.newtabpage.activity-stream.default.sites" required="true" />
+      </elements>
+    </policy>
+    <policy name="extensions_htmlaboutaddons_recommendations_enabled" class="Both" displayName="$(string.extensions_htmlaboutaddons_recommendations_enabled)" explainText="$(string.Preferences_Boolean_Explain)" key="Software\Policies\Mozilla\Firefox\Preferences" valueName="extensions.htmlaboutaddons.recommendations.enabled">
+      <parentCategory ref="Preferences"/>
+      <supportedOn ref="SUPPORTED_FF72"/>
+      <enabledValue>
+        <decimal value="1"/>
+      </enabledValue>
+      <disabledValue>
+        <decimal value="0"/>
+      </disabledValue>
+    </policy>
+    <policy name="media_peerconnection_enabled" class="Both" displayName="$(string.media_peerconnection_enabled)" explainText="$(string.Preferences_Boolean_Explain)" key="Software\Policies\Mozilla\Firefox\Preferences" valueName="media.peerconnection.enabled">
+      <parentCategory ref="Preferences"/>
+      <supportedOn ref="SUPPORTED_FF72"/>
+      <enabledValue>
+        <decimal value="1"/>
+      </enabledValue>
+      <disabledValue>
+        <decimal value="0"/>
+      </disabledValue>
+    </policy>
+    <policy name="media_peerconnection_ice_obfuscate_host_addresses_whitelist" class="Both" displayName="$(string.media_peerconnection_ice_obfuscate_host_addresses_whitelist)" explainText="$(string.Preferences_String_Explain)" key="Software\Policies\Mozilla\Firefox\Preferences" presentation="$(presentation.Preferences_String)" >
+      <parentCategory ref="Preferences" />
+      <supportedOn ref="SUPPORTED_FF68" />
+      <elements >
+        <text id="Preferences_String" valueName="media.peerconnection.ice.obfuscate_host_addresses.whitelist" required="true" />
+      </elements>
+    </policy>
+    <policy name="security_osclientcerts_autoload" class="Both" displayName="$(string.security_osclientcerts_autoload)" explainText="$(string.Preferences_Boolean_Explain)" key="Software\Policies\Mozilla\Firefox\Preferences" valueName="security.osclientcerts.autoload">
+      <parentCategory ref="Preferences"/>
+      <supportedOn ref="SUPPORTED_FF72"/>
+      <enabledValue>
+        <decimal value="1"/>
+      </enabledValue>
+      <disabledValue>
+        <decimal value="0"/>
+      </disabledValue>
+    </policy>
+    <policy name="security_tls_hello_downgrade_check" class="Both" displayName="$(string.security_tls_hello_downgrade_check)" explainText="$(string.Preferences_Boolean_Explain)" key="Software\Policies\Mozilla\Firefox\Preferences" valueName="security.tls.hello_downgrade_check">
+      <parentCategory ref="Preferences"/>
+      <supportedOn ref="SUPPORTED_FF72"/>
+      <enabledValue>
+        <decimal value="1"/>
+      </enabledValue>
+      <disabledValue>
+        <decimal value="0"/>
+      </disabledValue>
+    </policy>
+    <policy name="widget_content_gtk-theme-override" class="Both" displayName="$(string.widget_content_gtk-theme-override)" explainText="$(string.Preferences_String_Explain)" key="Software\Policies\Mozilla\Firefox\Preferences" presentation="$(presentation.Preferences_String)" >
+      <parentCategory ref="Preferences" />
+      <supportedOn ref="SUPPORTED_FF68" />
+      <elements >
+        <text id="Preferences_String" valueName="widget.content.gtk-theme-override" required="true" />
+      </elements>
+    </policy>
   </policies>
 </policyDefinitions>
 
 <?xml version="1.0" encoding="utf-8"?>\r
-<policyDefinitionResources revision="1.11" schemaVersion="1.0" >\r
+<policyDefinitionResources revision="1.12" schemaVersion="1.0" >\r
   <displayName/>\r
   <description/>\r
   <resources >\r
       <string id="SUPPORTED_FF69">Firefox 69 ou supérieur, Firefox 68.1 ESR ou supérieur</string>\r
       <string id="SUPPORTED_FF70">Firefox 70 ou supérieur, Firefox 68.2 ESR ou supérieur</string>\r
       <string id="SUPPORTED_FF71">Firefox 71 ou supérieur, Firefox 68.3 ESR ou supérieur</string>\r
+      <string id="SUPPORTED_FF72">Firefox 72 ou supérieur, Firefox 68.4 ESR ou supérieur</string>\r
       <string id="firefox">Firefox</string>\r
       <string id="Permissions_group">Permissions</string>\r
       <string id="Camera_group">Caméra</string>\r
       <string id="security_ssl_errorReporting_enabled">security.ssl.errorReporting.enabled</string>\r
       <string id="security_mixed_content_block_active_content">security.mixed_content.block_active_content</string>\r
       <string id="ui_key_menuAccessKeyFocuses">ui.key.menuAccessKeyFocuses</string>\r
+      <string id="browser_newtabpage_activity-stream_default_sites">browser.newtabpage.activity-stream.default.sites</string>\r
+      <string id="extensions_htmlaboutaddons_recommendations_enabled">extensions.htmlaboutaddons.recommendations.enabled</string>\r
+      <string id="media_peerconnection_enabled">media.peerconnection.enabled</string>\r
+      <string id="media_peerconnection_ice_obfuscate_host_addresses_whitelist">media.peerconnection.ice.obfuscate_host_addresses.whitelist</string>\r
+      <string id="security_osclientcerts_autoload">security.osclientcerts.autoload</string>\r
+      <string id="security_tls_hello_downgrade_check">security.tls.hello_downgrade_check</string>\r
+      <string id="widget_content_gtk-theme-override">widget.content.gtk-theme-override</string>\r
     </stringTable>\r
     <presentationTable>\r
       <presentation id="AppUpdateURL">\r
 
 <?xml version="1.0" encoding="utf-8"?>
-<policyDefinitionResources revision="1.11" schemaVersion="1.0" >
+<policyDefinitionResources revision="1.12" schemaVersion="1.0" >
   <displayName/>
   <description/>
   <resources >
       <string id="SUPPORTED_FF69">Firefox 69 o versione successiva, Firefox 68.1 ESR o versione successiva</string>
       <string id="SUPPORTED_FF70">Firefox 70 o versione successiva, Firefox 68.2 ESR o versione successiva</string>
       <string id="SUPPORTED_FF71">Firefox 71 o versione successiva, Firefox 68.3 ESR o versione successiva</string>
+      <string id="SUPPORTED_FF72">Firefox 72 o versione successiva, Firefox 68.4 ESR o versione successiva</string>
       <string id="firefox">Firefox</string>
       <string id="Permissions_group">Permessi</string>
       <string id="Camera_group">Fotocamera</string>
       <string id="security_ssl_errorReporting_enabled">security.ssl.errorReporting.enabled</string>
       <string id="security_mixed_content_block_active_content">security.mixed_content.block_active_content</string>
       <string id="ui_key_menuAccessKeyFocuses">ui.key.menuAccessKeyFocuses</string>
+      <string id="browser_newtabpage_activity-stream_default_sites">browser.newtabpage.activity-stream.default.sites</string>
+      <string id="extensions_htmlaboutaddons_recommendations_enabled">extensions.htmlaboutaddons.recommendations.enabled</string>
+      <string id="media_peerconnection_enabled">media.peerconnection.enabled</string>
+      <string id="media_peerconnection_ice_obfuscate_host_addresses_whitelist">media.peerconnection.ice.obfuscate_host_addresses.whitelist</string>
+      <string id="security_osclientcerts_autoload">security.osclientcerts.autoload</string>
+      <string id="security_tls_hello_downgrade_check">security.tls.hello_downgrade_check</string>
+      <string id="widget_content_gtk-theme-override">widget.content.gtk-theme-override</string>
     </stringTable>
     <presentationTable>
       <presentation id="AppUpdateURL">
 
 <?xml version="1.0" encoding="utf-8"?>
-<policyDefinitionResources revision="1.11" schemaVersion="1.0" >
+<policyDefinitionResources revision="1.12" schemaVersion="1.0" >
   <displayName/>
   <description/>
   <resources >
       <string id="SUPPORTED_FF69">Firefox 69 或更新版本、Firefox 68.1 ESR 或更新版本</string>
       <string id="SUPPORTED_FF70">Firefox 70 或更新版本、Firefox 68.2 ESR 或更新版本</string>
       <string id="SUPPORTED_FF71">Firefox 71 或更新版本、Firefox 68.3 ESR 或更新版本</string>
+      <string id="SUPPORTED_FF72">Firefox 72 或更新版本、Firefox 68.4 ESR 或更新版本</string>
       <string id="firefox">Firefox</string>
       <string id="Permissions_group">權限</string>
       <string id="Camera_group">攝影機</string>
       <string id="security_ssl_errorReporting_enabled">security.ssl.errorReporting.enabled</string>
       <string id="security_mixed_content_block_active_content">security.mixed_content.block_active_content</string>
       <string id="ui_key_menuAccessKeyFocuses">ui.key.menuAccessKeyFocuses</string>
+      <string id="browser_newtabpage_activity-stream_default_sites">browser.newtabpage.activity-stream.default.sites</string>
+      <string id="extensions_htmlaboutaddons_recommendations_enabled">extensions.htmlaboutaddons.recommendations.enabled</string>
+      <string id="media_peerconnection_enabled">media.peerconnection.enabled</string>
+      <string id="media_peerconnection_ice_obfuscate_host_addresses_whitelist">media.peerconnection.ice.obfuscate_host_addresses.whitelist</string>
+      <string id="security_osclientcerts_autoload">security.osclientcerts.autoload</string>
+      <string id="security_tls_hello_downgrade_check">security.tls.hello_downgrade_check</string>
+      <string id="widget_content_gtk-theme-override">widget.content.gtk-theme-override</string>
     </stringTable>
     <presentationTable>
       <presentation id="AppUpdateURL">