diff --git a/app/src/main/res/values-ja/strings.xml b/app/src/main/res/values-ja/strings.xml
index b0a69ec23..7348727e5 100644
--- a/app/src/main/res/values-ja/strings.xml
+++ b/app/src/main/res/values-ja/strings.xml
@@ -106,6 +106,14 @@
          describes Mozilla's Privacy Policy. -->
     <string name="settings_privacy_policy">個人情報保護方針</string>
 
+    <!-- This string is used as the title of the pop-ups dialog used to remove sites from the currently
+         allowed pop-up sites. -->
+    <string name="settings_privacy_policy_popups_title">ポップアップの許可設定</string>
+
+    <!-- This string is displayed under the title the pop-ups dialog used to remove sites from the currently
+         allowed pop-up sites. -->
+    <string name="settings_privacy_policy_popups_description">ポップアップウィンドウの表示を許可するウェブサイトを指定してください</string>
+
     <!-- This string is displayed in the switch of each item of the the pop-up blocking list when the site is allowed. -->
     <string name="pop_up_site_switch_allow">許可</string>
 
@@ -262,6 +270,10 @@
         opens the Firfox Reality support web site in the browser window. -->
     <string name="settings_help">ヘルプ</string>
 
+    <!-- This string is displayed in the settings header under the Firefox Reality logo. When clicked the settings panel is closed
+         a the survey web site in opened in the currently focused window -->
+    <string name="settings_send_your_feedback">フィードバックを送る</string>
+
     <!-- This string is the title of a dialog box shown to the user when a settings
          change requires the application to restart. -->
     <string name="restart_dialog_restart">再起動が必要です</string>
@@ -775,6 +787,12 @@
     <!-- This string labels the Clear All button that removes all the sites from the stored allowed pop-ups sites. -->
     <string name="privacy_options_popups_clear_all">すべて消去</string>
 
+    <!-- This string labels the Reset button that removes all the sites from the stored allowed pop-ups sites. -->
+    <string name="privacy_options_popups_reset">ポップアップウィンドウのブロック設定をリセット</string>
+
+    <!-- This string is displayed on top of the allowed sites list in the allowed pop-ups panel. -->
+    <string name="privacy_options_popups_list_header">次のウェブサイトがポップアップウィンドウの表示を要求しています:</string>
+
     <!-- This string labels the Reset button that restores the default controller settings values. -->
     <string name="controller_options_reset">コントローラーの設定をリセット</string>
 
@@ -787,12 +805,21 @@
     <!-- This string labels the Reset button that restores the default display language settings values. -->
     <string name="display_language_options_reset">表示言語をリセット</string>
 
+    <!-- This string labels the Reset button that restores the default content language settings values. -->
+    <string name="content_language_options_reset">ウェブサイトの優先する言語をリセット</string>
+
     <!-- This string labels the Reset button that restores all language settings values. -->
     <string name="all_language_options_reset">すべての言語設定をリセット</string>
 
     <!-- This string labels the description in the Voice Search Language button in the main language setting dialog. -->
     <string name="language_options_voice_search_language_title">音声検索する言語:</string>
 
+    <!-- This string labels the description in the Content Language button in the main language setting dialog. -->
+    <string name="language_options_content_language_title">ウェブサイトで優先する表示言語:</string>
+
+    <!-- This string labels the description in the Display Language button in the main language setting dialog. -->
+    <string name="language_options_display_language_title">アプリの表示言語:</string>
+
     <!-- This string labels the description in the Content Language header for preferred languages list. -->
     <string name="language_options_preferred_languages">優先言語</string>
 
@@ -899,6 +926,9 @@
     <!-- This string is shown in the context menu after a longpress on a text. When clicked it selects all text from the longpressed page area. -->
     <string name="context_menu_select_all_text">すべて選択</string>
 
+    <!-- This string is shown in the context menu after a longpress on a text. When clicked it unselects the selected text. -->
+    <string name="context_menu_unselect">選択解除</string>
+
     <!-- This string is for the tooltip that appears when the user hovers over the 'Bookmark' icon in the
          browser's navigation bar. The button it labels, when pressed, bookmarks the currently open web site. -->
     <string name="bookmark_tooltip">このページをブックマークに追加します</string>
@@ -975,6 +1005,11 @@
     <!-- This string is displayed in the message of the notification message shown when the device loses internet connection. -->
     <string name="no_internet_message">問題を解決するため端末の設定を確認してください。</string>
 
+    <!-- This string is displayed in the message of the notification message shown when the user tries to open a new window and
+      it has already opened the maximum number of allowed windows. %1$s expands to a integer value that represent the maximum windows
+      that can be opened (initially 3) -->
+    <string name="max_windows_msg">開けるのは %1$s 個のウィンドウのみです。別のウィンドウを開くには一方を閉じてください。</string>
+
     <!-- This string is displayed in the button of the notification message shown when the user tries to open a new window and
       it has already opened the maximum number of allowed windows. -->
     <string name="max_windows_button">OK</string>
@@ -992,6 +1027,14 @@
     <!-- This string is displayed as the message body of a dialog displayed when poor web page performance has been detected and the page has been unloaded to restore performance. -->
     <string name="performance_message">このウェブページはパフォーマンスに影響を及ぼすため、読み込みが中断されています。ウィンドウのサイズを小さくすると、ウェブページのパフォーマンスを改善できる場合があります。</string>
 
+    <!-- This string is displayed in the title of the Voice Search samples collect dialog. That dialog is shown the first time
+         a user tries to use the voice search. -->
+    <string name="voice_samples_collect_data_dialog_title">%1$s に音声サンプルの収集を許可しますか？</string>
+
+    <!-- This string is displayed in the description of the Voice Search samples collect dialog. That dialog is shown the first time
+         a user tries to use the voice search. -->
+    <string name="voice_samples_collect_dialog_description2">音声認識や他のサービスを改善するには、研究のために音声サンプルを収集する必要があります。私たちは個人識別が可能な情報を含めずに、安全にデータを保存します。音声検索は、収集を許可しなくても、いつでも使用できます。&lt;a href=&quot;privacy&quot;&gt;詳細情報&lt;/a&gt;</string>
+
     <!-- This string is displayed in the button of the Voice Search samples collect dialog.
          When clicked the user opts in to the voice data collection. -->
     <string name="voice_samples_collect_dialog_allow">許可する</string>
@@ -1017,6 +1060,13 @@
          when there is one window left. When clicked, it closes the private session -->
     <string name="private_clear_button">消去</string>
 
+    <!-- This string is displayed in the title of the pop-up blocking dialog.
+         '%1$s' will be replaced at runtime with the app's name. -->
+    <string name="popup_block_title">%1$s がこのサイトのポップアップをブロックしました</string>
+
+    <!-- This string is displayed as a description below the title of the pop-up blocking dialog. -->
+    <string name="popup_block_description">ポップアップを表示しますか？</string>
+
     <!-- This string is displayed on the right of the checkbox in the the pop-up blocking dialog.
          If the checkbox is checked Firefox will never ask again to block pop-ups for this site -->
     <string name="popup_block_checkbox">このサイトでは次回から確認しない</string>
@@ -1053,4 +1103,33 @@ the Select` button. When clicked it closes all the previously selected tabs -->
        When clicked it unselects all the tabs -->
     <string name="tabs_unselect">すべての選択を解除</string>
 
-    </resources>
+    <!-- This string is displayed in a label on the header of the tabs dialog. It indicates that there is one tab
+        available -->
+    <string name="tabs_counter_singular">1 個のタブ</string>
+
+    <!-- This string is displayed in a label on the header of the tabs dialog. It indicates that there are n tabs available.
+        %1$s expands to a integer which indicates the number of tabs. This number is always larger than 1, ortherwise
+        tabs_counter_singular key is used-->
+    <string name="tabs_counter_plural">%1$s 個のタブ</string>
+
+    <!-- This string is displayed in a label on the header of the tabs dialog. It's only visible in tab selection mode.
+        It indicates that there is one tab selected -->
+    <string name="tabs_selected_counter_singular">1 個のタブを選択しました</string>
+
+    <!-- This string is displayed in a label on the header of the tabs dialog. It's only visible in tab selection mode.
+        It indicates that there are n tabs selected. %1$s expands to a integer which indicates the number of tabs.
+        This number is always larger than 1, ortherwise tabs_selected_counter_singular key is used-->
+    <string name="tabs_selected_counter_plural">%1$s 個のタブを選択しました</string>
+
+    <!-- This string is displayed in a label on the header of the tabs dialog. It's only visible in tab selection mode.
+     It indicates that there are no tabs selected -->
+    <string name="tabs_selected_counter_none">タブが選択されていません</string>
+
+    <!-- This string is for the tooltip that appears when the users hovers in the tabs icon in the browser's
+        tray menu. When clicked it opens the tray dialog in the current active window -->
+    <string name="tabs_tray_tooltip">タブを表示</string>
+
+    <!-- This string is displayed in a tooltip that appears in the tray bar on top of the
+     tabs tray button then a tab has been added on the background. -->
+    <string name="tab_added_notification">新しいタブが追加されました！</string>
+</resources>
diff --git a/app/src/main/res/values-nb-rNO/strings.xml b/app/src/main/res/values-nb-rNO/strings.xml
index 20a4a85a9..ff5ae1638 100644
--- a/app/src/main/res/values-nb-rNO/strings.xml
+++ b/app/src/main/res/values-nb-rNO/strings.xml
@@ -125,6 +125,19 @@
          opens a dialog box that contains settings that an application or Web developer might want to change. -->
     <string name="settings_developer_options">Utviklerinnstillinger</string>
 
+    <!-- This string is used in the 'Settings' window when user is not signed into a Firefox Account -->
+    <string name="settings_fxa_account_sign_in">Logg inn på konto</string>
+
+    <!-- This string is used in the 'Settings' window when user is signed into a Firefox Account -->
+    <string name="settings_fxa_account_manage">Behandle konto</string>
+
+    <!-- This string is used in the 'Account' window when user is signed into a Firefox Account -->
+    <string name="settings_fxa_account_sign_out">Logg ut</string>
+
+    <!-- This string is used in the 'Settings' window when user is signed into a Firefox Account, but needs to re-enter their password.
+         Most common reason for this state is that the account password was changed on another device. -->
+    <string name="settings_fxa_account_reconnect">Koble til på nytt</string>
+
     <!-- This string is used to label a button in the 'Settings' dialog window that, when pressed,
          opens a dialog box that contains language-related settings. -->
     <string name="settings_language">Språk</string>
@@ -275,6 +288,16 @@
          a the survey web site in opened in the currently focused window -->
     <string name="settings_send_your_feedback">Send oss din tilbakemelding</string>
 
+    <!-- This string is used in the 'Settings' window when user is signed-out of Firefox Accounts -->
+    <string name="settings_accounts_sign_in">Logg inn</string>
+
+    <!-- This string is used in the 'Settings' window when user is signed into a Firefox Account -->
+    <string name="settings_accounts_sign_out">Logg ut</string>
+
+    <!-- This string is used in the 'Settings' window when user is signed into a Firefox Account, but needs to re-enter their password.
+         Most common reason for this state is that the account password was changed on another device. -->
+    <string name="settings_accounts_reconnect">Koble til på nytt</string>
+
     <!-- This string is the title of a dialog box shown to the user when a settings
          change requires the application to restart. -->
     <string name="restart_dialog_restart">Omstart kreves</string>
@@ -473,6 +496,58 @@
          for the home page. -->
     <string name="developer_options_homepage">Startside</string>
 
+    <!-- This string is used to in the FxA account manage panel as a description of the Sign In/Out button. -->
+    <string name="fxa_account_options_account">Konto</string>
+
+    <!-- This string is used to in the FxA account manage panel as a header for the sync options. -->
+    <string name="fxa_account_options_sync_title">Synkroniseringsinnstillinger</string>
+
+    <!-- This string is used to in the FxA account manage panel as the description of the Sync button when is not syncing.
+         The sync button will start syncing when pressed-->
+    <string name="fxa_account_options_sync_now">Synkroniser nå</string>
+
+    <!-- This string is used to in the FxA account manage panel as the description of the Sync button while syncon.
+         The sync button will start syncing when pressed-->
+    <string name="fxa_account_options_syncing">Synkroniserer…</string>
+
+    <!-- This string is used to in the FxA account manage panel as a description for the sync options. -->
+    <string name="fxa_account_options_sync_description">Velg hva du vil synkronisere på enhetene dine med Firefox</string>
+
+    <!-- This string is used to in the FxA account manage panel as a description of the Sign In/Out button. -->
+    <string name="fxa_account_options_bookmarks_sync">Bokmerker</string>
+
+    <!-- This string is used to in the FxA account manage panel as a description of the Sign In/Out button. -->
+    <string name="fxa_account_options_history_sync">Historikk</string>
+
+    <!-- This string is used to in the FxA account manage panel as a description of the Sign In/Out button. -->
+    <string name="fxa_account_options_reset">Tilbakestill</string>
+
+    <!-- This string is used to in the Library panels in the sync button when the user is not signed in. -->
+    <string name="fxa_account_sing_to_sync">Logg inn på konto for å synkronisere</string>
+
+    <!-- This string is used to in the Library panels in the sync button when syncing is off. -->
+    <string name="fxa_account_sync_settings">Synkroniseringsinnstillinger</string>
+
+    <!-- This string is used to in the Library panels to the left of the sync button to indicate
+         when that the content was just synced. -->
+    <string name="fxa_account_last_synced_now">Sist synkronisert nå</string>
+
+    <!-- This string is used to in the Library panels to the left of the sync button to indicate
+         that the content has never been synced yet. -->
+    <string name="fxa_account_last_no_synced">Ikke synkronisert ennå</string>
+
+    <!-- This string is used to in the Library panels to the left of the sync button to indicate
+         that the syncing is off. -->
+    <string name="fxa_account_syncing_off">Synkroniseringen er slått av</string>
+
+    <!-- This string is used to in the Library panels to the left of the sync button to indicate
+         that there was an error while syncing. -->
+    <string name="fxa_account_last_sync_error">Synkroniseringsfeil</string>
+
+    <!-- This string is used to in the Library panels to the left of the sync button to indicate
+         when that the content was just synced some time ago. -->
+    <string name="fxa_account_last_synced">Sist synkronisert for %1$d minutt siden</string>
+
     <!-- This string labels an Allow/Don't Allow switch in the Privacy and Security settings dialog
      and is used to enable or disable playback of DRM controlled content. -->
     <string name="security_options_drm_content">Spill av DRM-kontrollert innhold (&lt;a href=&quot;http://somesite.com/&quot;&gt;les mer&lt;/a&gt;)</string>
@@ -547,6 +622,14 @@
     <!-- This string is displayed below the On/Off switch to indicate a switch's current state as 'Off'. -->
     <string name="off">Av</string>
 
+    <!-- This string is displayed on the left of switched that are used to enable/disable sync when the switch is enabled.
+         i.e. The history switch for Firefox account syncing-->
+    <string name="sync">Synkroniser</string>
+
+    <!-- This string is displayed on the left of switched that are used to enable/disable sync when the switch is enabled.
+         i.e. The history switch for Firefox account syncing-->
+    <string name="do_not_sync">Ikke synkroniser</string>
+
     <!-- This string is displayed in the voice-search dialog box that is shown to the user when they press the
          button used to initiate Voice Search. -->
     <string name="voice_search_start">Hva vil du søke på nettet?</string>
@@ -684,6 +767,21 @@
     <!-- This string is displayed in the middle of the Bookmarks List while the bookmarks are being loaded. -->
     <string name="bookmarks_loading">Laster inn bokmerker</string>
 
+    <!-- This string is displayed as the title of the folder containing mobile bookmarks (after they're synced). -->
+    <string name="bookmarks_mobile_folder_title">Mobil</string>
+
+    <!-- This string is displayed as the title of the folder containing desktop bookmarks (after they're synced). -->
+    <string name="bookmarks_desktop_folder_title">Bokmerker på PC-en</string>
+
+    <!-- This string is displayed as the title of the desktop "menu" bookmarks folder. -->
+    <string name="bookmarks_desktop_menu_title">Meny</string>
+
+    <!-- This string is displayed as the title of the desktop "toolbar" bookmarks folder. -->
+    <string name="bookmarks_desktop_toolbar_title">Verktøylinje</string>
+
+    <!-- This string is displayed as the title of the desktop "unfiled" bookmarks folder. -->
+    <string name="bookmarks_desktop_unfiled_title">Annet</string>
+
     <!-- This string is displayed in a tooltip that appears when a user hovers
          over an icon representing 'Remove Bookmark' for an individual bookmark
          item listed in the Bookmarks List. -->
@@ -712,6 +810,10 @@
          all the bookmarks. -->
     <string name="bookmarks_show_all">Vis alle bokmerker</string>
 
+    <!-- This string is displayed is the "Sync" button in the bookmarks panel. When pressed the
+         bookmarks are synced with the Firefox account. -->
+    <string name="bookmarks_sync">Synkroniser</string>
+
     <!-- This string is displayed as the title of the history list, which contains the user's visited websites. -->
     <string name="history_title">Historikk</string>
 
@@ -740,6 +842,13 @@
          clearing history is displayed. -->
     <string name="history_clear">Tøm historikk</string>
 
+    <!-- This string is displayed is the "Sync" button in the history panel. When pressed the
+         history is synced with the Firefox account. -->
+    <string name="fxa_sync">Synkroniser</string>
+
+    <!-- This string is displayed is the "Sync" button in the history panel when the sync is in progress. -->
+    <string name="fxa_syncing">Synkroniserer…</string>
+
     <!-- This string is displayed is the "Cancel" button from the clear history dialog.
          When pressed the dialog is closed. -->
     <string name="history_clear_cancel">Avbryt</string>
@@ -772,6 +881,10 @@
          the more button is pressed in a history item. It opens the selected history item in a new window. -->
     <string name="history_context_menu_new_window">Åpne i nytt vindu</string>
 
+    <!-- This string is displayed is the history context menu that is displayed when
+         the more button is pressed in a history item. It opens the selected history item in a new tab. -->
+    <string name="history_context_menu_new_tab">Åpne i ny fane</string>
+
     <!-- This string is displayed is the history context menu that is displayed when
          the more button is pressed in a history item. It add the selected items to favorites. -->
     <string name="history_context_add_bookmarks">Legg til i bokmerker</string>
@@ -887,6 +1000,10 @@
          browser's navigation bar. The button it labels, when pressed, clears the navigation bar text. -->
     <string name="clear_tooltip">Tøm</string>
 
+    <!-- This string is for the tooltip that appears upon hovering the 'Pop-Up' button in the
+         browser's navigation bar. The button it labels, when pressed, Shows the pop-up blocked dialog. -->
+    <string name="popup_tooltip">Sprettoppvindu blokkert</string>
+
     <!-- This string is for the tooltip that when clicking the 'Info' (ⓘ) icon visible next to the current website's
          URL in the URL bar. The button it labels, when pressed, shows information about the site. -->
     <string name="site_info_tooltip">Vis nettstedinfo.</string>
@@ -908,10 +1025,10 @@
     <string name="private_browsing_exit_tooltip">Avslutt privat nettlesing</string>
 
     <!-- This string is shown in the context menu after a longpress on a link. When clicked it opens the target url in a new window. -->
-    <string name="context_menu_open_new_window">Åpne i nytt vindu.</string>
+    <string name="context_menu_open_new_window_1">Åpne i nytt vindu</string>
 
     <!-- This string is shown in the context menu after a longpress on a link. When clicked it opens the target url in a new tab. -->
-    <string name="context_menu_open_new_tab">Åpne i en ny fane.</string>
+    <string name="context_menu_open_new_tab_1">Åpne i en ny fane</string>
 
     <!-- This string is shown in the context menu after a longpress on a link. When clicked it copies the target to the clipboard -->
     <string name="context_menu_copy_link">Kopier lenke</string>
@@ -1080,7 +1197,7 @@
 
     <!-- This string is displayed on the right button of the pop-up blocking dialog.
          If the button is clicked the pop-up will be blocked -->
-    <string name="popup_block_button_do_not_show">Ikke vis</string>
+    <string name="popup_block_button_cancel">Avbryt</string>
 
     <!-- This string is displayed in a button on the header of the tabs dialog. When clicked,
         it allows to select tabs from the tab -->
@@ -1135,4 +1252,61 @@ the Select` button. When clicked it closes all the previously selected tabs -->
     <!-- This string is displayed in a tooltip that appears in the tray bar on top of the
      tabs tray button then a tab has been added on the background. -->
     <string name="tab_added_notification">Ny fane lagt til!</string>
+
+    <!-- This string is displayed in a tooltip that appears in the tray bar on top of the
+     tabs tray button then a tab has been sent. -->
+    <string name="tab_sent_notification">Fane er sendt!</string>
+
+    <!-- This string is displayed inside the Hamburger menu at the right of the navigation bar. When clicked
+         it opens the send tab dialog -->
+    <string name="hamburger_menu_send_tab">Send fane til enhet</string>
+
+    <!-- This string is displayed inside the Hamburger menu at the right of the navigation bar. When clicked
+         it opens the window resize panel -->
+    <string name="hamburger_menu_resize">Endre vindusstørrelse</string>
+
+    <!-- This string is displayed inside the Hamburger menu at the right of the navigation bar. When clicked
+         it switches User Agent from desktop to mobile and vice versa -->
+    <string name="hamburger_menu_switch_to_desktop">Datamaskinsmodus</string>
+
+    <!-- This string is displayed in the tooltip that is displayed when the user hovers the hamburger menu icon -->
+    <string name="hamburger_menu_tooltip">Meny</string>
+
+    <!-- This string is displayed in the title of the Send Tab to device dialog. -->
+    <string name="send_tab_dialog_title">Send fane til enhet</string>
+
+    <!-- This string is displayed in the description of the Send Tab to device dialog. -->
+    <string name="send_tab_dialog_description">Velg en enhet for å sende fanen til.</string>
+
+    <!-- This string is displayed on top of the available devices list. -->
+    <string name="send_tab_dialog_options_header">Tilgjengelige enheter:</string>
+
+    <!-- This string is displayed instead of the devices list if there are no available devices. -->
+    <string name="send_tab_dialog_no_devices">Ingen enheter tilkoblet.</string>
+
+    <!-- This string is displayed instead of the devices list if the devices list is being synced. -->
+    <string name="send_tab_dialog_syncing">Synkroniserer…</string>
+
+    <!-- This string is displayed in the button of the Send Tab to device dialog. When clicked the current tab is sent to the selected device -->
+    <string name="send_tab_dialog_button">Send</string>
+
+    <!-- This string is displayed in the header of the what's new dialog that is displayed if the user has updated
+         or updated the app and hasn't signed it yet. -->
+    <string name="whats_new_title">Nå kan du logge inn!</string>
+
+    <!-- This string is displayed in the body of the what's new dialog that is displayed if the user has updated
+         or updated the app and hasn't signed it yet. -->
+    <string name="whats_new_body">Logg inn eller opprett en konto for å sende en fane fra Firefox på din datamaskin eller mobile enhet til Firefox Reality i VR-headsettet.</string>
+
+    <!-- This string is displayed in the body of the what's new dialog that is displayed if the user has updated
+         or updated the app and hasn't signed it yet. -->
+    <string name="whats_new_body_sub">Synkroniser bokmerker, historikk, faner, passord, utvidelser og innstillinger på tvers av alle enhetene dine.</string>
+
+    <!-- This string is displayed a button of the what's new dialog that is displayed if the user has updated
+         or updated the app and hasn't signed it yet. If clicked the user is redirected to the Firefox Account sign-in page. -->
+    <string name="whats_new_button_sign_in">Logg inn</string>
+
+    <!-- This string is displayed a button of the what's new dialog that is displayed if the user has updated
+         or updated the app and hasn't signed it yet. If clicked the dialog is dismissed. -->
+    <string name="whats_new_button_start_browsing">Start nettlesing</string>
 </resources>
diff --git a/app/src/main/res/values-nl/strings.xml b/app/src/main/res/values-nl/strings.xml
index 04467e2aa..09017945c 100644
--- a/app/src/main/res/values-nl/strings.xml
+++ b/app/src/main/res/values-nl/strings.xml
@@ -125,6 +125,19 @@
          opens a dialog box that contains settings that an application or Web developer might want to change. -->
     <string name="settings_developer_options">Ontwikkelaarsopties</string>
 
+    <!-- This string is used in the 'Settings' window when user is not signed into a Firefox Account -->
+    <string name="settings_fxa_account_sign_in">Aanmelden bij account</string>
+
+    <!-- This string is used in the 'Settings' window when user is signed into a Firefox Account -->
+    <string name="settings_fxa_account_manage">Account beheren</string>
+
+    <!-- This string is used in the 'Account' window when user is signed into a Firefox Account -->
+    <string name="settings_fxa_account_sign_out">Afmelden</string>
+
+    <!-- This string is used in the 'Settings' window when user is signed into a Firefox Account, but needs to re-enter their password.
+         Most common reason for this state is that the account password was changed on another device. -->
+    <string name="settings_fxa_account_reconnect">Opnieuw verbinden</string>
+
     <!-- This string is used to label a button in the 'Settings' dialog window that, when pressed,
          opens a dialog box that contains language-related settings. -->
     <string name="settings_language">Taal</string>
@@ -275,6 +288,16 @@
          a the survey web site in opened in the currently focused window -->
     <string name="settings_send_your_feedback">Stuur ons uw feedback</string>
 
+    <!-- This string is used in the 'Settings' window when user is signed-out of Firefox Accounts -->
+    <string name="settings_accounts_sign_in">Aanmelden</string>
+
+    <!-- This string is used in the 'Settings' window when user is signed into a Firefox Account -->
+    <string name="settings_accounts_sign_out">Afmelden</string>
+
+    <!-- This string is used in the 'Settings' window when user is signed into a Firefox Account, but needs to re-enter their password.
+         Most common reason for this state is that the account password was changed on another device. -->
+    <string name="settings_accounts_reconnect">Opnieuw verbinden</string>
+
     <!-- This string is the title of a dialog box shown to the user when a settings
          change requires the application to restart. -->
     <string name="restart_dialog_restart">Herstart vereist</string>
@@ -475,6 +498,48 @@
          for the home page. -->
     <string name="developer_options_homepage">Startpagina</string>
 
+    <!-- This string is used to in the FxA account manage panel as a description of the Sign In/Out button. -->
+    <string name="fxa_account_options_account">Account</string>
+
+    <!-- This string is used to in the FxA account manage panel as a header for the sync options. -->
+    <string name="fxa_account_options_sync_title">Sync-instellingen</string>
+
+    <!-- This string is used to in the FxA account manage panel as the description of the Sync button when is not syncing.
+         The sync button will start syncing when pressed-->
+    <string name="fxa_account_options_sync_now">Nu synchroniseren</string>
+
+    <!-- This string is used to in the FxA account manage panel as the description of the Sync button while syncon.
+         The sync button will start syncing when pressed-->
+    <string name="fxa_account_options_syncing">Bezig met synchroniseren…</string>
+
+    <!-- This string is used to in the FxA account manage panel as a description of the Sign In/Out button. -->
+    <string name="fxa_account_options_bookmarks_sync">Bladwijzers</string>
+
+    <!-- This string is used to in the FxA account manage panel as a description of the Sign In/Out button. -->
+    <string name="fxa_account_options_history_sync">Geschiedenis</string>
+
+    <!-- This string is used to in the FxA account manage panel as a description of the Sign In/Out button. -->
+    <string name="fxa_account_options_reset">Herinitialiseren</string>
+
+    <!-- This string is used to in the Library panels in the sync button when syncing is off. -->
+    <string name="fxa_account_sync_settings">Sync-instellingen</string>
+
+    <!-- This string is used to in the Library panels to the left of the sync button to indicate
+         that the content has never been synced yet. -->
+    <string name="fxa_account_last_no_synced">Nog niet gesynchroniseerd</string>
+
+    <!-- This string is used to in the Library panels to the left of the sync button to indicate
+         that the syncing is off. -->
+    <string name="fxa_account_syncing_off">Synchronisatie is uitgeschakeld</string>
+
+    <!-- This string is used to in the Library panels to the left of the sync button to indicate
+         that there was an error while syncing. -->
+    <string name="fxa_account_last_sync_error">Synchronisatiefout</string>
+
+    <!-- This string is used to in the Library panels to the left of the sync button to indicate
+         when that the content was just synced some time ago. -->
+    <string name="fxa_account_last_synced">Laatst gesynchroniseerd: %1$d minuten geleden</string>
+
     <!-- This string labels an Allow/Don't Allow switch in the Privacy and Security settings dialog
      and is used to enable or disable playback of DRM controlled content. -->
     <string name="security_options_drm_content">DRM-gecontroleerde inhoud afspelen (&lt;a href=&quot;http://somesite.com/&quot;&gt;Meer info&lt;/a&gt;)</string>
@@ -550,6 +615,14 @@
     <!-- This string is displayed below the On/Off switch to indicate a switch's current state as 'Off'. -->
     <string name="off">Uit</string>
 
+    <!-- This string is displayed on the left of switched that are used to enable/disable sync when the switch is enabled.
+         i.e. The history switch for Firefox account syncing-->
+    <string name="sync">Synchroniseren</string>
+
+    <!-- This string is displayed on the left of switched that are used to enable/disable sync when the switch is enabled.
+         i.e. The history switch for Firefox account syncing-->
+    <string name="do_not_sync">Niet synchroniseren</string>
+
     <!-- This string is displayed in the voice-search dialog box that is shown to the user when they press the
          button used to initiate Voice Search. -->
     <string name="voice_search_start">Wat wilt u op het web zoeken?</string>
@@ -686,6 +759,18 @@
     <!-- This string is displayed in the middle of the Bookmarks List while the bookmarks are being loaded. -->
     <string name="bookmarks_loading">Bladwijzers laden</string>
 
+    <!-- This string is displayed as the title of the folder containing mobile bookmarks (after they're synced). -->
+    <string name="bookmarks_mobile_folder_title">Mobiel</string>
+
+    <!-- This string is displayed as the title of the desktop "menu" bookmarks folder. -->
+    <string name="bookmarks_desktop_menu_title">Menu</string>
+
+    <!-- This string is displayed as the title of the desktop "toolbar" bookmarks folder. -->
+    <string name="bookmarks_desktop_toolbar_title">Werkbalk</string>
+
+    <!-- This string is displayed as the title of the desktop "unfiled" bookmarks folder. -->
+    <string name="bookmarks_desktop_unfiled_title">Overig</string>
+
     <!-- This string is displayed in a tooltip that appears when a user hovers
          over an icon representing 'Remove Bookmark' for an individual bookmark
          item listed in the Bookmarks List. -->
@@ -743,6 +828,9 @@
          clearing history is displayed. -->
     <string name="history_clear">Geschiedenis wissen</string>
 
+    <!-- This string is displayed is the "Sync" button in the history panel when the sync is in progress. -->
+    <string name="fxa_syncing">Synchroniseren…</string>
+
     <!-- This string is displayed is the "Cancel" button from the clear history dialog.
          When pressed the dialog is closed. -->
     <string name="history_clear_cancel">Annuleren</string>
@@ -775,6 +863,10 @@
          the more button is pressed in a history item. It opens the selected history item in a new window. -->
     <string name="history_context_menu_new_window">Openen in een nieuw venster</string>
 
+    <!-- This string is displayed is the history context menu that is displayed when
+         the more button is pressed in a history item. It opens the selected history item in a new tab. -->
+    <string name="history_context_menu_new_tab">Openen in een nieuw tabblad</string>
+
     <!-- This string is displayed is the history context menu that is displayed when
          the more button is pressed in a history item. It add the selected items to favorites. -->
     <string name="history_context_add_bookmarks">Toevoegen aan bladwijzers</string>
@@ -890,6 +982,10 @@
          browser's navigation bar. The button it labels, when pressed, clears the navigation bar text. -->
     <string name="clear_tooltip">Wissen</string>
 
+    <!-- This string is for the tooltip that appears upon hovering the 'Pop-Up' button in the
+         browser's navigation bar. The button it labels, when pressed, Shows the pop-up blocked dialog. -->
+    <string name="popup_tooltip">Pop-up geblokkeerd</string>
+
     <!-- This string is for the tooltip that when clicking the 'Info' (ⓘ) icon visible next to the current website's
          URL in the URL bar. The button it labels, when pressed, shows information about the site. -->
     <string name="site_info_tooltip">Website-informatie tonen.</string>
@@ -911,10 +1007,10 @@
     <string name="private_browsing_exit_tooltip">Privénavigatie afsluiten</string>
 
     <!-- This string is shown in the context menu after a longpress on a link. When clicked it opens the target url in a new window. -->
-    <string name="context_menu_open_new_window">Openen in een nieuw venster.</string>
+    <string name="context_menu_open_new_window_1">Openen in een nieuw venster</string>
 
     <!-- This string is shown in the context menu after a longpress on a link. When clicked it opens the target url in a new tab. -->
-    <string name="context_menu_open_new_tab">Openen in een nieuw tabblad.</string>
+    <string name="context_menu_open_new_tab_1">Openen in een nieuw tabblad</string>
 
     <!-- This string is shown in the context menu after a longpress on a link. When clicked it copies the target to the clipboard -->
     <string name="context_menu_copy_link">Koppeling kopiëren</string>
@@ -1087,7 +1183,7 @@
 
     <!-- This string is displayed on the right button of the pop-up blocking dialog.
          If the button is clicked the pop-up will be blocked -->
-    <string name="popup_block_button_do_not_show">Niet tonen</string>
+    <string name="popup_block_button_cancel">Annuleren</string>
 
     <!-- This string is displayed in a button on the header of the tabs dialog. When clicked,
         it allows to select tabs from the tab -->
@@ -1142,4 +1238,25 @@ the Select` button. When clicked it closes all the previously selected tabs -->
     <!-- This string is displayed in a tooltip that appears in the tray bar on top of the
      tabs tray button then a tab has been added on the background. -->
     <string name="tab_added_notification">Nieuw tabblad toegevoegd!</string>
-</resources>
+
+    <!-- This string is displayed in a tooltip that appears in the tray bar on top of the
+     tabs tray button then a tab has been sent. -->
+    <string name="tab_sent_notification">Tabblad verzonden!</string>
+
+    <!-- This string is displayed in the tooltip that is displayed when the user hovers the hamburger menu icon -->
+    <string name="hamburger_menu_tooltip">Menu</string>
+
+    <!-- This string is displayed in the title of the Send Tab to device dialog. -->
+    <string name="send_tab_dialog_title">Tabblad naar apparaat verzenden</string>
+
+    <!-- This string is displayed instead of the devices list if the devices list is being synced. -->
+    <string name="send_tab_dialog_syncing">Bezig met synchroniseren…</string>
+
+    <!-- This string is displayed in the button of the Send Tab to device dialog. When clicked the current tab is sent to the selected device -->
+    <string name="send_tab_dialog_button">Verzenden</string>
+
+    <!-- This string is displayed a button of the what's new dialog that is displayed if the user has updated
+         or updated the app and hasn't signed it yet. If clicked the user is redirected to the Firefox Account sign-in page. -->
+    <string name="whats_new_button_sign_in">Aanmelden</string>
+
+    </resources>
diff --git a/app/src/main/res/values-sv-rSE/strings.xml b/app/src/main/res/values-sv-rSE/strings.xml
index 629d93e8e..c5491292e 100644
--- a/app/src/main/res/values-sv-rSE/strings.xml
+++ b/app/src/main/res/values-sv-rSE/strings.xml
@@ -124,6 +124,19 @@
          opens a dialog box that contains settings that an application or Web developer might want to change. -->
     <string name="settings_developer_options">Utvecklaralternativ</string>
 
+    <!-- This string is used in the 'Settings' window when user is not signed into a Firefox Account -->
+    <string name="settings_fxa_account_sign_in">Logga in på konto</string>
+
+    <!-- This string is used in the 'Settings' window when user is signed into a Firefox Account -->
+    <string name="settings_fxa_account_manage">Hantera konto</string>
+
+    <!-- This string is used in the 'Account' window when user is signed into a Firefox Account -->
+    <string name="settings_fxa_account_sign_out">Logga ut</string>
+
+    <!-- This string is used in the 'Settings' window when user is signed into a Firefox Account, but needs to re-enter their password.
+         Most common reason for this state is that the account password was changed on another device. -->
+    <string name="settings_fxa_account_reconnect">Återanslut</string>
+
     <!-- This string is used to label a button in the 'Settings' dialog window that, when pressed,
          opens a dialog box that contains language-related settings. -->
     <string name="settings_language">Språk</string>
@@ -274,6 +287,16 @@
          a the survey web site in opened in the currently focused window -->
     <string name="settings_send_your_feedback">Skicka oss din feedback</string>
 
+    <!-- This string is used in the 'Settings' window when user is signed-out of Firefox Accounts -->
+    <string name="settings_accounts_sign_in">Logga in</string>
+
+    <!-- This string is used in the 'Settings' window when user is signed into a Firefox Account -->
+    <string name="settings_accounts_sign_out">Logga ut</string>
+
+    <!-- This string is used in the 'Settings' window when user is signed into a Firefox Account, but needs to re-enter their password.
+         Most common reason for this state is that the account password was changed on another device. -->
+    <string name="settings_accounts_reconnect">Återanslut</string>
+
     <!-- This string is the title of a dialog box shown to the user when a settings
          change requires the application to restart. -->
     <string name="restart_dialog_restart">Omstart krävs</string>
@@ -472,6 +495,58 @@
          for the home page. -->
     <string name="developer_options_homepage">Startsida</string>
 
+    <!-- This string is used to in the FxA account manage panel as a description of the Sign In/Out button. -->
+    <string name="fxa_account_options_account">Konto</string>
+
+    <!-- This string is used to in the FxA account manage panel as a header for the sync options. -->
+    <string name="fxa_account_options_sync_title">Synkroniseringsinställningar</string>
+
+    <!-- This string is used to in the FxA account manage panel as the description of the Sync button when is not syncing.
+         The sync button will start syncing when pressed-->
+    <string name="fxa_account_options_sync_now">Synkronisera nu</string>
+
+    <!-- This string is used to in the FxA account manage panel as the description of the Sync button while syncon.
+         The sync button will start syncing when pressed-->
+    <string name="fxa_account_options_syncing">Synkroniserar...</string>
+
+    <!-- This string is used to in the FxA account manage panel as a description for the sync options. -->
+    <string name="fxa_account_options_sync_description">Välj vad du vill synkronisera på dina enheter med Firefox</string>
+
+    <!-- This string is used to in the FxA account manage panel as a description of the Sign In/Out button. -->
+    <string name="fxa_account_options_bookmarks_sync">Bokmärken</string>
+
+    <!-- This string is used to in the FxA account manage panel as a description of the Sign In/Out button. -->
+    <string name="fxa_account_options_history_sync">Historik</string>
+
+    <!-- This string is used to in the FxA account manage panel as a description of the Sign In/Out button. -->
+    <string name="fxa_account_options_reset">Återställ</string>
+
+    <!-- This string is used to in the Library panels in the sync button when the user is not signed in. -->
+    <string name="fxa_account_sing_to_sync">Logga in på konto för att synkronisera</string>
+
+    <!-- This string is used to in the Library panels in the sync button when syncing is off. -->
+    <string name="fxa_account_sync_settings">Synkroniseringsinställningar</string>
+
+    <!-- This string is used to in the Library panels to the left of the sync button to indicate
+         when that the content was just synced. -->
+    <string name="fxa_account_last_synced_now">Senast synkroniserad nu</string>
+
+    <!-- This string is used to in the Library panels to the left of the sync button to indicate
+         that the content has never been synced yet. -->
+    <string name="fxa_account_last_no_synced">Inte synkroniserat än</string>
+
+    <!-- This string is used to in the Library panels to the left of the sync button to indicate
+         that the syncing is off. -->
+    <string name="fxa_account_syncing_off">Synkronisering är avstängd</string>
+
+    <!-- This string is used to in the Library panels to the left of the sync button to indicate
+         that there was an error while syncing. -->
+    <string name="fxa_account_last_sync_error">Synkroniseringsfel</string>
+
+    <!-- This string is used to in the Library panels to the left of the sync button to indicate
+         when that the content was just synced some time ago. -->
+    <string name="fxa_account_last_synced">Senast synkroniserad %1$d minuter sedan</string>
+
     <!-- This string labels an Allow/Don't Allow switch in the Privacy and Security settings dialog
      and is used to enable or disable playback of DRM controlled content. -->
     <string name="security_options_drm_content">Spela DRM-kontrollerat innehåll (&lt;a href=&quot;http://somesite.com/&quot;&gt;Läs mer&lt;/a&gt;)</string>
@@ -546,6 +621,14 @@
     <!-- This string is displayed below the On/Off switch to indicate a switch's current state as 'Off'. -->
     <string name="off">Av</string>
 
+    <!-- This string is displayed on the left of switched that are used to enable/disable sync when the switch is enabled.
+         i.e. The history switch for Firefox account syncing-->
+    <string name="sync">Synkronisera</string>
+
+    <!-- This string is displayed on the left of switched that are used to enable/disable sync when the switch is enabled.
+         i.e. The history switch for Firefox account syncing-->
+    <string name="do_not_sync">Synkronisera inte</string>
+
     <!-- This string is displayed in the voice-search dialog box that is shown to the user when they press the
          button used to initiate Voice Search. -->
     <string name="voice_search_start">Vad vill du söka på webben?</string>
@@ -682,6 +765,21 @@
     <!-- This string is displayed in the middle of the Bookmarks List while the bookmarks are being loaded. -->
     <string name="bookmarks_loading">Laddar bokmärken</string>
 
+    <!-- This string is displayed as the title of the folder containing mobile bookmarks (after they're synced). -->
+    <string name="bookmarks_mobile_folder_title">Mobil</string>
+
+    <!-- This string is displayed as the title of the folder containing desktop bookmarks (after they're synced). -->
+    <string name="bookmarks_desktop_folder_title">Datorns bokmärken</string>
+
+    <!-- This string is displayed as the title of the desktop "menu" bookmarks folder. -->
+    <string name="bookmarks_desktop_menu_title">Meny</string>
+
+    <!-- This string is displayed as the title of the desktop "toolbar" bookmarks folder. -->
+    <string name="bookmarks_desktop_toolbar_title">Verktygsfält</string>
+
+    <!-- This string is displayed as the title of the desktop "unfiled" bookmarks folder. -->
+    <string name="bookmarks_desktop_unfiled_title">Annat</string>
+
     <!-- This string is displayed in a tooltip that appears when a user hovers
          over an icon representing 'Remove Bookmark' for an individual bookmark
          item listed in the Bookmarks List. -->
@@ -710,6 +808,10 @@
          all the bookmarks. -->
     <string name="bookmarks_show_all">Visa alla bokmärken</string>
 
+    <!-- This string is displayed is the "Sync" button in the bookmarks panel. When pressed the
+         bookmarks are synced with the Firefox account. -->
+    <string name="bookmarks_sync">Synkronisera</string>
+
     <!-- This string is displayed as the title of the history list, which contains the user's visited websites. -->
     <string name="history_title">Historik</string>
 
@@ -738,6 +840,13 @@
          clearing history is displayed. -->
     <string name="history_clear">Rensa historik</string>
 
+    <!-- This string is displayed is the "Sync" button in the history panel. When pressed the
+         history is synced with the Firefox account. -->
+    <string name="fxa_sync">Synkronisera</string>
+
+    <!-- This string is displayed is the "Sync" button in the history panel when the sync is in progress. -->
+    <string name="fxa_syncing">Synkroniserar…</string>
+
     <!-- This string is displayed is the "Cancel" button from the clear history dialog.
          When pressed the dialog is closed. -->
     <string name="history_clear_cancel">Avbryt</string>
@@ -770,6 +879,10 @@
          the more button is pressed in a history item. It opens the selected history item in a new window. -->
     <string name="history_context_menu_new_window">Öppna i ett nytt fönster</string>
 
+    <!-- This string is displayed is the history context menu that is displayed when
+         the more button is pressed in a history item. It opens the selected history item in a new tab. -->
+    <string name="history_context_menu_new_tab">Öppna i ny flik</string>
+
     <!-- This string is displayed is the history context menu that is displayed when
          the more button is pressed in a history item. It add the selected items to favorites. -->
     <string name="history_context_add_bookmarks">Lägg till i bokmärken</string>
@@ -885,6 +998,10 @@
          browser's navigation bar. The button it labels, when pressed, clears the navigation bar text. -->
     <string name="clear_tooltip">Rensa</string>
 
+    <!-- This string is for the tooltip that appears upon hovering the 'Pop-Up' button in the
+         browser's navigation bar. The button it labels, when pressed, Shows the pop-up blocked dialog. -->
+    <string name="popup_tooltip">Pop-up blockerad</string>
+
     <!-- This string is for the tooltip that when clicking the 'Info' (ⓘ) icon visible next to the current website's
          URL in the URL bar. The button it labels, when pressed, shows information about the site. -->
     <string name="site_info_tooltip">Visa webbplatsinfo.</string>
@@ -906,10 +1023,10 @@
     <string name="private_browsing_exit_tooltip">Avsluta privat surfning</string>
 
     <!-- This string is shown in the context menu after a longpress on a link. When clicked it opens the target url in a new window. -->
-    <string name="context_menu_open_new_window">Öppna i nytt fönster.</string>
+    <string name="context_menu_open_new_window_1">Öppna i ett nytt fönster</string>
 
     <!-- This string is shown in the context menu after a longpress on a link. When clicked it opens the target url in a new tab. -->
-    <string name="context_menu_open_new_tab">Öppna i en ny flik.</string>
+    <string name="context_menu_open_new_tab_1">Öppna i en ny flik</string>
 
     <!-- This string is shown in the context menu after a longpress on a link. When clicked it copies the target to the clipboard -->
     <string name="context_menu_copy_link">Kopiera länk</string>
@@ -1077,7 +1194,7 @@
 
     <!-- This string is displayed on the right button of the pop-up blocking dialog.
          If the button is clicked the pop-up will be blocked -->
-    <string name="popup_block_button_do_not_show">Visa inte</string>
+    <string name="popup_block_button_cancel">Avbryt</string>
 
     <!-- This string is displayed in a button on the header of the tabs dialog. When clicked,
         it allows to select tabs from the tab -->
@@ -1132,4 +1249,61 @@ the Select` button. When clicked it closes all the previously selected tabs -->
     <!-- This string is displayed in a tooltip that appears in the tray bar on top of the
      tabs tray button then a tab has been added on the background. -->
     <string name="tab_added_notification">Ny flik tillagd!</string>
+
+    <!-- This string is displayed in a tooltip that appears in the tray bar on top of the
+     tabs tray button then a tab has been sent. -->
+    <string name="tab_sent_notification">Flik skickad!</string>
+
+    <!-- This string is displayed inside the Hamburger menu at the right of the navigation bar. When clicked
+         it opens the send tab dialog -->
+    <string name="hamburger_menu_send_tab">Skicka flik till enhet</string>
+
+    <!-- This string is displayed inside the Hamburger menu at the right of the navigation bar. When clicked
+         it opens the window resize panel -->
+    <string name="hamburger_menu_resize">Ändra fönsterstorlek</string>
+
+    <!-- This string is displayed inside the Hamburger menu at the right of the navigation bar. When clicked
+         it switches User Agent from desktop to mobile and vice versa -->
+    <string name="hamburger_menu_switch_to_desktop">Webbplats för datorer</string>
+
+    <!-- This string is displayed in the tooltip that is displayed when the user hovers the hamburger menu icon -->
+    <string name="hamburger_menu_tooltip">Meny</string>
+
+    <!-- This string is displayed in the title of the Send Tab to device dialog. -->
+    <string name="send_tab_dialog_title">Skicka flik till enhet</string>
+
+    <!-- This string is displayed in the description of the Send Tab to device dialog. -->
+    <string name="send_tab_dialog_description">Välj en enhet för att skicka fliken till.</string>
+
+    <!-- This string is displayed on top of the available devices list. -->
+    <string name="send_tab_dialog_options_header">Tillgängliga enheter:</string>
+
+    <!-- This string is displayed instead of the devices list if there are no available devices. -->
+    <string name="send_tab_dialog_no_devices">Inga enheter anslutna.</string>
+
+    <!-- This string is displayed instead of the devices list if the devices list is being synced. -->
+    <string name="send_tab_dialog_syncing">Synkroniserar...</string>
+
+    <!-- This string is displayed in the button of the Send Tab to device dialog. When clicked the current tab is sent to the selected device -->
+    <string name="send_tab_dialog_button">Skicka</string>
+
+    <!-- This string is displayed in the header of the what's new dialog that is displayed if the user has updated
+         or updated the app and hasn't signed it yet. -->
+    <string name="whats_new_title">Nu kan du logga in!</string>
+
+    <!-- This string is displayed in the body of the what's new dialog that is displayed if the user has updated
+         or updated the app and hasn't signed it yet. -->
+    <string name="whats_new_body">Logga in eller skapa ett konto för att skicka en flik från Firefox på din stationära eller mobila enhet till Firefox Reality i ditt VR-headset.</string>
+
+    <!-- This string is displayed in the body of the what's new dialog that is displayed if the user has updated
+         or updated the app and hasn't signed it yet. -->
+    <string name="whats_new_body_sub">Synkronisera dina bokmärken, historik, flikar, lösenord, tillägg och inställningar på alla dina enheter.</string>
+
+    <!-- This string is displayed a button of the what's new dialog that is displayed if the user has updated
+         or updated the app and hasn't signed it yet. If clicked the user is redirected to the Firefox Account sign-in page. -->
+    <string name="whats_new_button_sign_in">Logga in</string>
+
+    <!-- This string is displayed a button of the what's new dialog that is displayed if the user has updated
+         or updated the app and hasn't signed it yet. If clicked the dialog is dismissed. -->
+    <string name="whats_new_button_start_browsing">Börja surfa</string>
 </resources>
diff --git a/app/src/main/res/values-zh-rCN/strings.xml b/app/src/main/res/values-zh-rCN/strings.xml
index 54afdd73b..c4be98d62 100644
--- a/app/src/main/res/values-zh-rCN/strings.xml
+++ b/app/src/main/res/values-zh-rCN/strings.xml
@@ -124,7 +124,20 @@
          opens a dialog box that contains settings that an application or Web developer might want to change. -->
     <string name="settings_developer_options">开发者选项</string>
 		 
-	<!-- This string is used to label a button in the 'Settings' dialog window that, when pressed,
+	<!-- This string is used in the 'Settings' window when user is not signed into a Firefox Account -->
+    <string name="settings_fxa_account_sign_in">登录账户</string>
+
+    <!-- This string is used in the 'Settings' window when user is signed into a Firefox Account -->
+    <string name="settings_fxa_account_manage">管理账户</string>
+
+    <!-- This string is used in the 'Account' window when user is signed into a Firefox Account -->
+    <string name="settings_fxa_account_sign_out">退出</string>
+
+    <!-- This string is used in the 'Settings' window when user is signed into a Firefox Account, but needs to re-enter their password.
+         Most common reason for this state is that the account password was changed on another device. -->
+    <string name="settings_fxa_account_reconnect">重新连接</string>
+
+    <!-- This string is used to label a button in the 'Settings' dialog window that, when pressed,
          opens a dialog box that contains language-related settings. -->
     <string name="settings_language">语言</string>
 
@@ -274,6 +287,16 @@
          a the survey web site in opened in the currently focused window -->
     <string name="settings_send_your_feedback">提交您的反馈意见</string>
 
+    <!-- This string is used in the 'Settings' window when user is signed-out of Firefox Accounts -->
+    <string name="settings_accounts_sign_in">登录</string>
+
+    <!-- This string is used in the 'Settings' window when user is signed into a Firefox Account -->
+    <string name="settings_accounts_sign_out">退出</string>
+
+    <!-- This string is used in the 'Settings' window when user is signed into a Firefox Account, but needs to re-enter their password.
+         Most common reason for this state is that the account password was changed on another device. -->
+    <string name="settings_accounts_reconnect">重新连接</string>
+
     <!-- This string is the title of a dialog box shown to the user when a settings
          change requires the application to restart. -->
     <string name="restart_dialog_restart">需要重启应用</string>
@@ -472,6 +495,58 @@
          for the home page. -->
     <string name="developer_options_homepage">主页</string>
 
+    <!-- This string is used to in the FxA account manage panel as a description of the Sign In/Out button. -->
+    <string name="fxa_account_options_account">账户</string>
+
+    <!-- This string is used to in the FxA account manage panel as a header for the sync options. -->
+    <string name="fxa_account_options_sync_title">同步设置</string>
+
+    <!-- This string is used to in the FxA account manage panel as the description of the Sync button when is not syncing.
+         The sync button will start syncing when pressed-->
+    <string name="fxa_account_options_sync_now">立即同步</string>
+
+    <!-- This string is used to in the FxA account manage panel as the description of the Sync button while syncon.
+         The sync button will start syncing when pressed-->
+    <string name="fxa_account_options_syncing">正在同步…</string>
+
+    <!-- This string is used to in the FxA account manage panel as a description for the sync options. -->
+    <string name="fxa_account_options_sync_description">选择在您的设备上使用 Firefox 时同步哪些内容</string>
+
+    <!-- This string is used to in the FxA account manage panel as a description of the Sign In/Out button. -->
+    <string name="fxa_account_options_bookmarks_sync">书签</string>
+
+    <!-- This string is used to in the FxA account manage panel as a description of the Sign In/Out button. -->
+    <string name="fxa_account_options_history_sync">历史记录</string>
+
+    <!-- This string is used to in the FxA account manage panel as a description of the Sign In/Out button. -->
+    <string name="fxa_account_options_reset">重置</string>
+
+    <!-- This string is used to in the Library panels in the sync button when the user is not signed in. -->
+    <string name="fxa_account_sing_to_sync">登录账户以同步</string>
+
+    <!-- This string is used to in the Library panels in the sync button when syncing is off. -->
+    <string name="fxa_account_sync_settings">同步设置</string>
+
+    <!-- This string is used to in the Library panels to the left of the sync button to indicate
+         when that the content was just synced. -->
+    <string name="fxa_account_last_synced_now">刚刚同步</string>
+
+    <!-- This string is used to in the Library panels to the left of the sync button to indicate
+         that the content has never been synced yet. -->
+    <string name="fxa_account_last_no_synced">尚未同步</string>
+
+    <!-- This string is used to in the Library panels to the left of the sync button to indicate
+         that the syncing is off. -->
+    <string name="fxa_account_syncing_off">同步服务已关闭</string>
+
+    <!-- This string is used to in the Library panels to the left of the sync button to indicate
+         that there was an error while syncing. -->
+    <string name="fxa_account_last_sync_error">同步出错</string>
+
+    <!-- This string is used to in the Library panels to the left of the sync button to indicate
+         when that the content was just synced some time ago. -->
+    <string name="fxa_account_last_synced">上次同步于 %1$d 分钟前</string>
+
     <!-- This string labels an Allow/Don't Allow switch in the Privacy and Security settings dialog
      and is used to enable or disable playback of DRM controlled content. -->
     <string name="security_options_drm_content">播放 DRM 控制内容（&lt;a href=&quot;http://somesite.com/&quot;&gt;详细了解&lt;/a&gt;）</string>
@@ -545,6 +620,14 @@
     <!-- This string is displayed below the On/Off switch to indicate a switch's current state as 'Off'. -->
     <string name="off">关</string>
 
+    <!-- This string is displayed on the left of switched that are used to enable/disable sync when the switch is enabled.
+         i.e. The history switch for Firefox account syncing-->
+    <string name="sync">同步</string>
+
+    <!-- This string is displayed on the left of switched that are used to enable/disable sync when the switch is enabled.
+         i.e. The history switch for Firefox account syncing-->
+    <string name="do_not_sync">停用同步</string>
+
     <!-- This string is displayed in the voice-search dialog box that is shown to the user when they press the
          button used to initiate Voice Search. -->
     <string name="voice_search_start">您想搜点什么？</string>
@@ -681,6 +764,21 @@
     <!-- This string is displayed in the middle of the Bookmarks List while the bookmarks are being loaded. -->
     <string name="bookmarks_loading">正在载入书签</string>
 
+    <!-- This string is displayed as the title of the folder containing mobile bookmarks (after they're synced). -->
+    <string name="bookmarks_mobile_folder_title">移动端</string>
+
+    <!-- This string is displayed as the title of the folder containing desktop bookmarks (after they're synced). -->
+    <string name="bookmarks_desktop_folder_title">桌面端书签</string>
+
+    <!-- This string is displayed as the title of the desktop "menu" bookmarks folder. -->
+    <string name="bookmarks_desktop_menu_title">菜单</string>
+
+    <!-- This string is displayed as the title of the desktop "toolbar" bookmarks folder. -->
+    <string name="bookmarks_desktop_toolbar_title">工具栏</string>
+
+    <!-- This string is displayed as the title of the desktop "unfiled" bookmarks folder. -->
+    <string name="bookmarks_desktop_unfiled_title">其他</string>
+
     <!-- This string is displayed in a tooltip that appears when a user hovers
          over an icon representing 'Remove Bookmark' for an individual bookmark
          item listed in the Bookmarks List. -->
@@ -709,6 +807,10 @@
          all the bookmarks. -->
     <string name="bookmarks_show_all">显示所有书签</string>
 
+    <!-- This string is displayed is the "Sync" button in the bookmarks panel. When pressed the
+         bookmarks are synced with the Firefox account. -->
+    <string name="bookmarks_sync">同步</string>
+
     <!-- This string is displayed as the title of the history list, which contains the user's visited websites. -->
     <string name="history_title">历史记录</string>
 
@@ -737,6 +839,13 @@
          clearing history is displayed. -->
     <string name="history_clear">清除历史记录</string>
 
+    <!-- This string is displayed is the "Sync" button in the history panel. When pressed the
+         history is synced with the Firefox account. -->
+    <string name="fxa_sync">同步</string>
+
+    <!-- This string is displayed is the "Sync" button in the history panel when the sync is in progress. -->
+    <string name="fxa_syncing">正在同步…</string>
+
     <!-- This string is displayed is the "Cancel" button from the clear history dialog.
          When pressed the dialog is closed. -->
     <string name="history_clear_cancel">取消</string>
@@ -769,6 +878,10 @@
          the more button is pressed in a history item. It opens the selected history item in a new window. -->
     <string name="history_context_menu_new_window">在新窗口中打开</string>
 
+    <!-- This string is displayed is the history context menu that is displayed when
+         the more button is pressed in a history item. It opens the selected history item in a new tab. -->
+    <string name="history_context_menu_new_tab">新建标签页打开</string>
+
     <!-- This string is displayed is the history context menu that is displayed when
          the more button is pressed in a history item. It add the selected items to favorites. -->
     <string name="history_context_add_bookmarks">添加书签</string>
@@ -884,6 +997,10 @@
          browser's navigation bar. The button it labels, when pressed, clears the navigation bar text. -->
     <string name="clear_tooltip">清除</string>
 
+    <!-- This string is for the tooltip that appears upon hovering the 'Pop-Up' button in the
+         browser's navigation bar. The button it labels, when pressed, Shows the pop-up blocked dialog. -->
+    <string name="popup_tooltip">已阻止弹出窗口</string>
+
     <!-- This string is for the tooltip that when clicking the 'Info' (ⓘ) icon visible next to the current website's
          URL in the URL bar. The button it labels, when pressed, shows information about the site. -->
     <string name="site_info_tooltip">显示网站信息。</string>
@@ -905,10 +1022,10 @@
     <string name="private_browsing_exit_tooltip">退出隐私浏览模式</string>
 
     <!-- This string is shown in the context menu after a longpress on a link. When clicked it opens the target url in a new window. -->
-    <string name="context_menu_open_new_window">新建窗口打开。</string>
+    <string name="context_menu_open_new_window_1">新建窗口打开</string>
 
     <!-- This string is shown in the context menu after a longpress on a link. When clicked it opens the target url in a new tab. -->
-    <string name="context_menu_open_new_tab">新建标签页打开</string>
+    <string name="context_menu_open_new_tab_1">新建标签页打开</string>
 
     <!-- This string is shown in the context menu after a longpress on a link. When clicked it copies the target to the clipboard -->
     <string name="context_menu_copy_link">复制链接</string>
@@ -1075,7 +1192,7 @@
 
     <!-- This string is displayed on the right button of the pop-up blocking dialog.
          If the button is clicked the pop-up will be blocked -->
-    <string name="popup_block_button_do_not_show">不显示</string>
+    <string name="popup_block_button_cancel">取消</string>
 
     <!-- This string is displayed in a button on the header of the tabs dialog. When clicked,
         it allows to select tabs from the tab -->
@@ -1130,4 +1247,61 @@ the Select` button. When clicked it closes all the previously selected tabs -->
     <!-- This string is displayed in a tooltip that appears in the tray bar on top of the
      tabs tray button then a tab has been added on the background. -->
     <string name="tab_added_notification">已新建标签页！</string>
+
+    <!-- This string is displayed in a tooltip that appears in the tray bar on top of the
+     tabs tray button then a tab has been sent. -->
+    <string name="tab_sent_notification">标签页已发送！</string>
+
+    <!-- This string is displayed inside the Hamburger menu at the right of the navigation bar. When clicked
+         it opens the send tab dialog -->
+    <string name="hamburger_menu_send_tab">发送标签页到设备</string>
+
+    <!-- This string is displayed inside the Hamburger menu at the right of the navigation bar. When clicked
+         it opens the window resize panel -->
+    <string name="hamburger_menu_resize">重置窗口大小</string>
+
+    <!-- This string is displayed inside the Hamburger menu at the right of the navigation bar. When clicked
+         it switches User Agent from desktop to mobile and vice versa -->
+    <string name="hamburger_menu_switch_to_desktop">桌面模式</string>
+
+    <!-- This string is displayed in the tooltip that is displayed when the user hovers the hamburger menu icon -->
+    <string name="hamburger_menu_tooltip">菜单</string>
+
+    <!-- This string is displayed in the title of the Send Tab to device dialog. -->
+    <string name="send_tab_dialog_title">发送标签页到设备</string>
+
+    <!-- This string is displayed in the description of the Send Tab to device dialog. -->
+    <string name="send_tab_dialog_description">选择发送标签页到哪台设备。</string>
+
+    <!-- This string is displayed on top of the available devices list. -->
+    <string name="send_tab_dialog_options_header">可用设备：</string>
+
+    <!-- This string is displayed instead of the devices list if there are no available devices. -->
+    <string name="send_tab_dialog_no_devices">没有已连接的设备。</string>
+
+    <!-- This string is displayed instead of the devices list if the devices list is being synced. -->
+    <string name="send_tab_dialog_syncing">正在同步…</string>
+
+    <!-- This string is displayed in the button of the Send Tab to device dialog. When clicked the current tab is sent to the selected device -->
+    <string name="send_tab_dialog_button">发送</string>
+
+    <!-- This string is displayed in the header of the what's new dialog that is displayed if the user has updated
+         or updated the app and hasn't signed it yet. -->
+    <string name="whats_new_title">准备好登录了吗？</string>
+
+    <!-- This string is displayed in the body of the what's new dialog that is displayed if the user has updated
+         or updated the app and hasn't signed it yet. -->
+    <string name="whats_new_body">创建或登录一个账户，以便您在台式机、笔记本电脑、移动设备乃至头戴式 VR 之间的 Firefox 上发送标签页。</string>
+
+    <!-- This string is displayed in the body of the what's new dialog that is displayed if the user has updated
+         or updated the app and hasn't signed it yet. -->
+    <string name="whats_new_body_sub">同步您的书签、历史记录、标签页、密码、附加组件以及首选项到您的所有设备。</string>
+
+    <!-- This string is displayed a button of the what's new dialog that is displayed if the user has updated
+         or updated the app and hasn't signed it yet. If clicked the user is redirected to the Firefox Account sign-in page. -->
+    <string name="whats_new_button_sign_in">登录</string>
+
+    <!-- This string is displayed a button of the what's new dialog that is displayed if the user has updated
+         or updated the app and hasn't signed it yet. If clicked the dialog is dismissed. -->
+    <string name="whats_new_button_start_browsing">开始浏览</string>
 </resources>
diff --git a/app/src/main/res/values-zh-rTW/strings.xml b/app/src/main/res/values-zh-rTW/strings.xml
index 3a13c4555..0ddc80f96 100644
--- a/app/src/main/res/values-zh-rTW/strings.xml
+++ b/app/src/main/res/values-zh-rTW/strings.xml
@@ -124,6 +124,19 @@
          opens a dialog box that contains settings that an application or Web developer might want to change. -->
     <string name="settings_developer_options">開發者選項</string>
 
+    <!-- This string is used in the 'Settings' window when user is not signed into a Firefox Account -->
+    <string name="settings_fxa_account_sign_in">登入帳號</string>
+
+    <!-- This string is used in the 'Settings' window when user is signed into a Firefox Account -->
+    <string name="settings_fxa_account_manage">管理帳號</string>
+
+    <!-- This string is used in the 'Account' window when user is signed into a Firefox Account -->
+    <string name="settings_fxa_account_sign_out">登出</string>
+
+    <!-- This string is used in the 'Settings' window when user is signed into a Firefox Account, but needs to re-enter their password.
+         Most common reason for this state is that the account password was changed on another device. -->
+    <string name="settings_fxa_account_reconnect">重新連結</string>
+
     <!-- This string is used to label a button in the 'Settings' dialog window that, when pressed,
          opens a dialog box that contains language-related settings. -->
     <string name="settings_language">語言</string>
@@ -274,6 +287,16 @@
          a the survey web site in opened in the currently focused window -->
     <string name="settings_send_your_feedback">傳送意見回饋給我們</string>
 
+    <!-- This string is used in the 'Settings' window when user is signed-out of Firefox Accounts -->
+    <string name="settings_accounts_sign_in">登入</string>
+
+    <!-- This string is used in the 'Settings' window when user is signed into a Firefox Account -->
+    <string name="settings_accounts_sign_out">登出</string>
+
+    <!-- This string is used in the 'Settings' window when user is signed into a Firefox Account, but needs to re-enter their password.
+         Most common reason for this state is that the account password was changed on another device. -->
+    <string name="settings_accounts_reconnect">重新連結</string>
+
     <!-- This string is the title of a dialog box shown to the user when a settings
          change requires the application to restart. -->
     <string name="restart_dialog_restart">需要重新啟動</string>
@@ -472,6 +495,58 @@
          for the home page. -->
     <string name="developer_options_homepage">首頁</string>
 
+    <!-- This string is used to in the FxA account manage panel as a description of the Sign In/Out button. -->
+    <string name="fxa_account_options_account">帳號</string>
+
+    <!-- This string is used to in the FxA account manage panel as a header for the sync options. -->
+    <string name="fxa_account_options_sync_title">同步設定</string>
+
+    <!-- This string is used to in the FxA account manage panel as the description of the Sync button when is not syncing.
+         The sync button will start syncing when pressed-->
+    <string name="fxa_account_options_sync_now">立刻同步</string>
+
+    <!-- This string is used to in the FxA account manage panel as the description of the Sync button while syncon.
+         The sync button will start syncing when pressed-->
+    <string name="fxa_account_options_syncing">同步中···</string>
+
+    <!-- This string is used to in the FxA account manage panel as a description for the sync options. -->
+    <string name="fxa_account_options_sync_description">選擇要在裝置上的 Firefox 同步哪些資料。</string>
+
+    <!-- This string is used to in the FxA account manage panel as a description of the Sign In/Out button. -->
+    <string name="fxa_account_options_bookmarks_sync">書籤</string>
+
+    <!-- This string is used to in the FxA account manage panel as a description of the Sign In/Out button. -->
+    <string name="fxa_account_options_history_sync">瀏覽紀錄</string>
+
+    <!-- This string is used to in the FxA account manage panel as a description of the Sign In/Out button. -->
+    <string name="fxa_account_options_reset">重設</string>
+
+    <!-- This string is used to in the Library panels in the sync button when the user is not signed in. -->
+    <string name="fxa_account_sing_to_sync">登入帳號進行同步</string>
+
+    <!-- This string is used to in the Library panels in the sync button when syncing is off. -->
+    <string name="fxa_account_sync_settings">同步設定</string>
+
+    <!-- This string is used to in the Library panels to the left of the sync button to indicate
+         when that the content was just synced. -->
+    <string name="fxa_account_last_synced_now">剛同步完成</string>
+
+    <!-- This string is used to in the Library panels to the left of the sync button to indicate
+         that the content has never been synced yet. -->
+    <string name="fxa_account_last_no_synced">尚未同步</string>
+
+    <!-- This string is used to in the Library panels to the left of the sync button to indicate
+         that the syncing is off. -->
+    <string name="fxa_account_syncing_off">已關閉同步</string>
+
+    <!-- This string is used to in the Library panels to the left of the sync button to indicate
+         that there was an error while syncing. -->
+    <string name="fxa_account_last_sync_error">同步錯誤</string>
+
+    <!-- This string is used to in the Library panels to the left of the sync button to indicate
+         when that the content was just synced some time ago. -->
+    <string name="fxa_account_last_synced">最近同步: %1$d 分鐘前</string>
+
     <!-- This string labels an Allow/Don't Allow switch in the Privacy and Security settings dialog
      and is used to enable or disable playback of DRM controlled content. -->
     <string name="security_options_drm_content">播放 DRM 控制內容（&lt;a href=&quot;http://somesite.com/&quot;&gt;了解更多&lt;/a&gt;）</string>
@@ -545,6 +620,14 @@
     <!-- This string is displayed below the On/Off switch to indicate a switch's current state as 'Off'. -->
     <string name="off">關閉</string>
 
+    <!-- This string is displayed on the left of switched that are used to enable/disable sync when the switch is enabled.
+         i.e. The history switch for Firefox account syncing-->
+    <string name="sync">同步</string>
+
+    <!-- This string is displayed on the left of switched that are used to enable/disable sync when the switch is enabled.
+         i.e. The history switch for Firefox account syncing-->
+    <string name="do_not_sync">不同步</string>
+
     <!-- This string is displayed in the voice-search dialog box that is shown to the user when they press the
          button used to initiate Voice Search. -->
     <string name="voice_search_start">您想在網路上搜尋何種內容？</string>
@@ -681,6 +764,21 @@
     <!-- This string is displayed in the middle of the Bookmarks List while the bookmarks are being loaded. -->
     <string name="bookmarks_loading">正在載入書籤</string>
 
+    <!-- This string is displayed as the title of the folder containing mobile bookmarks (after they're synced). -->
+    <string name="bookmarks_mobile_folder_title">行動版書籤</string>
+
+    <!-- This string is displayed as the title of the folder containing desktop bookmarks (after they're synced). -->
+    <string name="bookmarks_desktop_folder_title">桌面版書籤</string>
+
+    <!-- This string is displayed as the title of the desktop "menu" bookmarks folder. -->
+    <string name="bookmarks_desktop_menu_title">選單</string>
+
+    <!-- This string is displayed as the title of the desktop "toolbar" bookmarks folder. -->
+    <string name="bookmarks_desktop_toolbar_title">工具列</string>
+
+    <!-- This string is displayed as the title of the desktop "unfiled" bookmarks folder. -->
+    <string name="bookmarks_desktop_unfiled_title">其他</string>
+
     <!-- This string is displayed in a tooltip that appears when a user hovers
          over an icon representing 'Remove Bookmark' for an individual bookmark
          item listed in the Bookmarks List. -->
@@ -709,6 +807,10 @@
          all the bookmarks. -->
     <string name="bookmarks_show_all">顯示所有書籤</string>
 
+    <!-- This string is displayed is the "Sync" button in the bookmarks panel. When pressed the
+         bookmarks are synced with the Firefox account. -->
+    <string name="bookmarks_sync">Sync</string>
+
     <!-- This string is displayed as the title of the history list, which contains the user's visited websites. -->
     <string name="history_title">瀏覽紀錄</string>
 
@@ -737,6 +839,13 @@
          clearing history is displayed. -->
     <string name="history_clear">清除瀏覽記錄</string>
 
+    <!-- This string is displayed is the "Sync" button in the history panel. When pressed the
+         history is synced with the Firefox account. -->
+    <string name="fxa_sync">Sync</string>
+
+    <!-- This string is displayed is the "Sync" button in the history panel when the sync is in progress. -->
+    <string name="fxa_syncing">同步中…</string>
+
     <!-- This string is displayed is the "Cancel" button from the clear history dialog.
          When pressed the dialog is closed. -->
     <string name="history_clear_cancel">取消</string>
@@ -769,6 +878,10 @@
          the more button is pressed in a history item. It opens the selected history item in a new window. -->
     <string name="history_context_menu_new_window">用新視窗開啟</string>
 
+    <!-- This string is displayed is the history context menu that is displayed when
+         the more button is pressed in a history item. It opens the selected history item in a new tab. -->
+    <string name="history_context_menu_new_tab">用新分頁開啟</string>
+
     <!-- This string is displayed is the history context menu that is displayed when
          the more button is pressed in a history item. It add the selected items to favorites. -->
     <string name="history_context_add_bookmarks">加入書籤</string>
@@ -884,6 +997,10 @@
          browser's navigation bar. The button it labels, when pressed, clears the navigation bar text. -->
     <string name="clear_tooltip">清除</string>
 
+    <!-- This string is for the tooltip that appears upon hovering the 'Pop-Up' button in the
+         browser's navigation bar. The button it labels, when pressed, Shows the pop-up blocked dialog. -->
+    <string name="popup_tooltip">已封鎖彈出視窗</string>
+
     <!-- This string is for the tooltip that when clicking the 'Info' (ⓘ) icon visible next to the current website's
          URL in the URL bar. The button it labels, when pressed, shows information about the site. -->
     <string name="site_info_tooltip">顯示網站資訊。</string>
@@ -905,10 +1022,10 @@
     <string name="private_browsing_exit_tooltip">離開隱私瀏覽模式</string>
 
     <!-- This string is shown in the context menu after a longpress on a link. When clicked it opens the target url in a new window. -->
-    <string name="context_menu_open_new_window">用新視窗開啟。</string>
+    <string name="context_menu_open_new_window_1">用新視窗開啟</string>
 
     <!-- This string is shown in the context menu after a longpress on a link. When clicked it opens the target url in a new tab. -->
-    <string name="context_menu_open_new_tab">用新分頁開啟。</string>
+    <string name="context_menu_open_new_tab_1">用新分頁開啟</string>
 
     <!-- This string is shown in the context menu after a longpress on a link. When clicked it copies the target to the clipboard -->
     <string name="context_menu_copy_link">複製鏈結</string>
@@ -1076,7 +1193,7 @@
 
     <!-- This string is displayed on the right button of the pop-up blocking dialog.
          If the button is clicked the pop-up will be blocked -->
-    <string name="popup_block_button_do_not_show">不要顯示</string>
+    <string name="popup_block_button_cancel">取消</string>
 
     <!-- This string is displayed in a button on the header of the tabs dialog. When clicked,
         it allows to select tabs from the tab -->
@@ -1131,4 +1248,61 @@ the Select` button. When clicked it closes all the previously selected tabs -->
     <!-- This string is displayed in a tooltip that appears in the tray bar on top of the
      tabs tray button then a tab has been added on the background. -->
     <string name="tab_added_notification">已加入新分頁！</string>
+
+    <!-- This string is displayed in a tooltip that appears in the tray bar on top of the
+     tabs tray button then a tab has been sent. -->
+    <string name="tab_sent_notification">已送出分頁！</string>
+
+    <!-- This string is displayed inside the Hamburger menu at the right of the navigation bar. When clicked
+         it opens the send tab dialog -->
+    <string name="hamburger_menu_send_tab">將分頁傳送至裝置</string>
+
+    <!-- This string is displayed inside the Hamburger menu at the right of the navigation bar. When clicked
+         it opens the window resize panel -->
+    <string name="hamburger_menu_resize">調整視窗大小</string>
+
+    <!-- This string is displayed inside the Hamburger menu at the right of the navigation bar. When clicked
+         it switches User Agent from desktop to mobile and vice versa -->
+    <string name="hamburger_menu_switch_to_desktop">桌面版模式</string>
+
+    <!-- This string is displayed in the tooltip that is displayed when the user hovers the hamburger menu icon -->
+    <string name="hamburger_menu_tooltip">選單</string>
+
+    <!-- This string is displayed in the title of the Send Tab to device dialog. -->
+    <string name="send_tab_dialog_title">將分頁傳送至裝置</string>
+
+    <!-- This string is displayed in the description of the Send Tab to device dialog. -->
+    <string name="send_tab_dialog_description">請選擇要將分頁傳送到哪台裝置。</string>
+
+    <!-- This string is displayed on top of the available devices list. -->
+    <string name="send_tab_dialog_options_header">可用裝置:</string>
+
+    <!-- This string is displayed instead of the devices list if there are no available devices. -->
+    <string name="send_tab_dialog_no_devices">沒有已連結的裝置。</string>
+
+    <!-- This string is displayed instead of the devices list if the devices list is being synced. -->
+    <string name="send_tab_dialog_syncing">同步中…</string>
+
+    <!-- This string is displayed in the button of the Send Tab to device dialog. When clicked the current tab is sent to the selected device -->
+    <string name="send_tab_dialog_button">傳送</string>
+
+    <!-- This string is displayed in the header of the what's new dialog that is displayed if the user has updated
+         or updated the app and hasn't signed it yet. -->
+    <string name="whats_new_title">現在可以登入了！</string>
+
+    <!-- This string is displayed in the body of the what's new dialog that is displayed if the user has updated
+         or updated the app and hasn't signed it yet. -->
+    <string name="whats_new_body">註冊或登入帳號，即可從桌面版或行動裝置上的 Firefox 將分頁傳送到 VR 眼鏡中的 Firefox Reality。</string>
+
+    <!-- This string is displayed in the body of the what's new dialog that is displayed if the user has updated
+         or updated the app and hasn't signed it yet. -->
+    <string name="whats_new_body_sub">在您所有裝置間同步書籤、歷史紀錄、分頁、密碼、附加元件與偏好設定。</string>
+
+    <!-- This string is displayed a button of the what's new dialog that is displayed if the user has updated
+         or updated the app and hasn't signed it yet. If clicked the user is redirected to the Firefox Account sign-in page. -->
+    <string name="whats_new_button_sign_in">登入</string>
+
+    <!-- This string is displayed a button of the what's new dialog that is displayed if the user has updated
+         or updated the app and hasn't signed it yet. If clicked the dialog is dismissed. -->
+    <string name="whats_new_button_start_browsing">開始上網</string>
 </resources>