diff --git a/app/src/main/res/values-cy/strings.xml b/app/src/main/res/values-cy/strings.xml
index f4a257d42..94579bcc4 100644
--- a/app/src/main/res/values-cy/strings.xml
+++ b/app/src/main/res/values-cy/strings.xml
@@ -86,7 +86,7 @@
     <!-- Browser menu button that creates a new tab -->
     <string name="browser_menu_new_tab">Tab newydd</string>
     <!-- Browser menu button that saves the current tab to a collection -->
-    <string name="browser_menu_save_to_collection_2">Cadw i’r casgliad</string>
+    <string name="browser_menu_save_to_collection_2">Cadw i gasgliad</string>
     <!-- Browser menu button that opens a dialog to report issues with the current site -->
     <string name="browser_menu_report_issue">Adrodd ar fater gwefan</string>
     <!-- Browser menu button that open a share menu to share the current site -->
@@ -431,7 +431,7 @@
     <!-- Open tabs menu item to share all tabs -->
     <string name="tabs_menu_share_tabs">Rhannu tabiau</string>
     <!-- Open tabs menu item to save tabs to collection -->
-    <string name="tabs_menu_save_to_collection">Cadw i’r casgliad</string>
+    <string name="tabs_menu_save_to_collection">Cadw i gasgliad</string>
     <!-- Content description (not visible, for screen readers etc.): Opens the tab menu when pressed -->
     <string name="tab_menu">Dewislen tabiau</string>
     <!-- Tab menu item to share the tab -->
@@ -445,7 +445,7 @@
     <!-- Content description (not visible, for screen readers etc.): Title icon for current session menu -->
     <string name="current_session_image">Delwedd sesiwn gyfredol</string>
     <!-- Button to save the current set of tabs into a collection -->
-    <string name="save_to_collection">Cadw i’r casgliad</string>
+    <string name="save_to_collection">Cadw i gasgliad</string>
     <!-- Text for the menu button to delete a collection -->
     <string name="collection_delete">Dileu casgliad</string>
     <!-- Text for the menu button to rename a collection -->
@@ -646,7 +646,7 @@
     <!-- Title for the "select tabs" step of the collection creator -->
     <string name="create_collection_select_tabs">Dewis Tabiau</string>
     <!-- Title for the "select collection" step of the collection creator -->
-    <string name="create_collection_select_collection">Dewis gasgliad</string>
+    <string name="create_collection_select_collection">Dewis casgliad</string>
     <!-- Title for the "name collection" step of the collection creator -->
     <string name="create_collection_name_collection">Enwi casgliad</string>
     <!-- Button to add new collection for the "select collection" step of the collection creator -->
@@ -662,7 +662,7 @@
     <string name="create_collection_save_to_collection_tabs_selected">%d tab wedi’u dewis</string>
     <!-- Text to show users they have one tab selected in the "select tabs" step of the collection creator.
     %d is a placeholder for the number of tabs selected. -->
-    <string name="create_collection_save_to_collection_tab_selected">%d tab wedi’u dewis</string>
+    <string name="create_collection_save_to_collection_tab_selected">%d tab wedi’i ddewis</string>
     <!-- Text shown in snackbar when multiple tabs have been saved in a collection -->
     <string name="create_collection_tabs_saved">Tabiau wedi’u cadw!</string>
     <!-- Text shown in snackbar when one tab has been saved in a collection -->
diff --git a/app/src/main/res/values-es-rCL/strings.xml b/app/src/main/res/values-es-rCL/strings.xml
index a43f09ed7..d214413a3 100644
--- a/app/src/main/res/values-es-rCL/strings.xml
+++ b/app/src/main/res/values-es-rCL/strings.xml
@@ -151,6 +151,9 @@
     <!-- Text preview for larger sized widgets -->
     <string name="search_widget_text_long">Buscar en la web</string>
 
+    <!-- Content description (not visible, for screen readers etc.): Voice search -->
+    <string name="search_widget_voice">Búsqueda por voz</string>
+
     <!-- Preferences -->
     <!-- Title for the settings page-->
     <string name="settings">Ajustes</string>
@@ -199,6 +202,12 @@
     <string name="preferences_add_private_browsing_shortcut">Añadir acceso directo a la navegación privada</string>
     <!-- Preference for accessibility -->
     <string name="preferences_accessibility">Accesibilidad</string>
+    <!-- Preference to override the Firefox Account server -->
+    <string name="preferences_override_fxa_server">Servidor personalizado de cuenta de Firefox</string>
+    <!-- Preference to override the Sync token server -->
+    <string name="preferences_override_sync_tokenserver">Servidor personalizado de Sync</string>
+    <!-- Toast shown after updating the FxA/Sync server override preferences -->
+    <string name="toast_override_fxa_sync_server_done">Servidores de cuenta de Firefox y Sync modificados. Cerrando la aplicación para aplicar los cambios…</string>
     <!-- Preference category for account information -->
     <string name="preferences_category_account">Cuenta</string>
     <!-- Preference shown on banner to sign into account -->
@@ -456,6 +465,14 @@
     <string name="history_delete_all_dialog">¿De verdad quieres eliminar tu historial?</string>
     <!-- Text for positive action to delete history in deleting history dialog -->
     <string name="history_clear_dialog">Limpiar</string>
+    <!-- History overflow menu copy button -->
+    <string name="history_menu_copy_button">Copiar</string>
+    <!-- History overflow menu share button -->
+    <string name="history_menu_share_button">Compartir</string>
+    <!-- History overflow menu open in new tab button -->
+    <string name="history_menu_open_in_new_tab_button">Abrir en nueva pestaña</string>
+    <!-- History overflow menu open in private tab button -->
+    <string name="history_menu_open_in_private_tab_button">Abrir en pestaña privada</string>
     <!-- Text for the button to delete a single history item -->
     <string name="history_delete_item">Eliminar</string>
     <!-- History multi select title in app bar
@@ -898,6 +915,9 @@
     <!-- Text for the button to read the privacy notice -->
     <string name="onboarding_privacy_notice_read_button">Lee nuestro aviso de privacidad</string>
 
+    <!-- Content description (not visible, for screen readers etc.): Close onboarding screen -->
+    <string name="onboarding_close">Cerrar</string>
+
     <!-- text for the button to finish onboarding -->
     <string name="onboarding_finish">Empezar a navegar</string>
 
@@ -1060,6 +1080,11 @@
     <!-- About page link text to open a screen with libraries that are used -->
     <string name="about_other_open_source_libraries">Bibliotecas que utilizamos</string>
 
+    <!-- Toast shown to the user when they are activating the secret dev menu
+        The first parameter is number of long clicks left to enable the menu -->
+    <string name="about_debug_menu_toast_progress">Menú de depuración: falta hacer %1$d toque(s) para activarlo</string>
+    <string name="about_debug_menu_toast_done">Menú de depuración activado</string>
+
     <!-- Content description of the tab counter toolbar button when one tab is open -->
     <string name="tab_counter_content_description_one_tab">1 pestaña</string>
     <!-- Content description of the tab counter toolbar button when multiple tabs are open. First parameter will be replaced with the number of tabs (always more than one) -->
diff --git a/app/src/main/res/values-fr/strings.xml b/app/src/main/res/values-fr/strings.xml
index edafaa8f6..a93134043 100644
--- a/app/src/main/res/values-fr/strings.xml
+++ b/app/src/main/res/values-fr/strings.xml
@@ -979,7 +979,7 @@
     <!-- Instructions on how to access pairing -->
     <string name="sign_in_instructions"><![CDATA[Sur votre ordinateur, ouvrez Firefox et accédez à <b>https://firefox.com/pair</b>]]></string>
     <!-- Text shown for sign in pairing when ready -->
-    <string name="sign_in_ready_for_scan">Prêt à scanner</string>
+    <string name="sign_in_ready_for_scan">Prêt·e à scanner</string>
     <!-- Text shown for settings option for sign with pairing -->
     <string name="sign_in_with_camera">Connectez-vous avec votre appareil photo</string>
     <!-- Text shown for settings option for sign with email -->
@@ -999,7 +999,7 @@
     <!-- Preference title for enhanced tracking protection settings -->
     <string name="preference_enhanced_tracking_protection">Protection renforcée contre le pistage</string>
     <!-- Title for the description of enhanced tracking protection -->
-    <string name="preference_enhanced_tracking_protection_explanation_title">Naviguer sans être suivi·e</string>
+    <string name="preference_enhanced_tracking_protection_explanation_title">Naviguez sans être suivi·e</string>
     <!-- Description of enhanced tracking protection. The first parameter is the name of the application (For example: Fenix) -->
     <string name="preference_enhanced_tracking_protection_explanation">Gardez vos données pour vous. %s vous protège de la plupart des traqueurs les plus courants qui suivent ce que vous faites en ligne.</string>
     <!-- Text displayed that links to website about enhanced tracking protection -->
@@ -1027,7 +1027,7 @@
     <!--  Accessibility text for the Strict protection information icon  -->
     <string name="preference_enhanced_tracking_protection_strict_info_button">Ce qui est bloqué par la protection stricte contre le pistage</string>
     <!-- Preference for enhanced tracking protection for the custom protection settings -->
-    <string name="preference_enhanced_tracking_protection_custom">Personnalisé</string>
+    <string name="preference_enhanced_tracking_protection_custom">Personnalisée</string>
     <!-- Preference description for enhanced tracking protection for the strict protection settings -->
     <string name="preference_enhanced_tracking_protection_custom_description">Choisissez les traqueurs et les scripts à bloquer.</string>
     <!--  Accessibility text for the Strict protection information icon  -->
diff --git a/app/src/main/res/values-it/strings.xml b/app/src/main/res/values-it/strings.xml
index 885b3f474..a31c2b4f0 100644
--- a/app/src/main/res/values-it/strings.xml
+++ b/app/src/main/res/values-it/strings.xml
@@ -155,6 +155,9 @@
     <!-- Text preview for larger sized widgets -->
     <string name="search_widget_text_long">Cerca sul Web</string>
 
+    <!-- Content description (not visible, for screen readers etc.): Voice search -->
+    <string name="search_widget_voice">Ricerca vocale</string>
+
     <!-- Preferences -->
     <!-- Title for the settings page-->
     <string name="settings">Impostazioni</string>
@@ -204,6 +207,12 @@
     <string name="preferences_add_private_browsing_shortcut">Agg. scorciatoia nav. anonima</string>
     <!-- Preference for accessibility -->
     <string name="preferences_accessibility">Accessibilità</string>
+    <!-- Preference to override the Firefox Account server -->
+    <string name="preferences_override_fxa_server">Server personalizzato per account Firefox</string>
+    <!-- Preference to override the Sync token server -->
+    <string name="preferences_override_sync_tokenserver">Server personalizzato per Sync</string>
+    <!-- Toast shown after updating the FxA/Sync server override preferences -->
+    <string name="toast_override_fxa_sync_server_done">Server per account Firefox/Sync modificato. L’app verrà chiusa per applicare le modifiche…</string>
     <!-- Preference category for account information -->
     <string name="preferences_category_account">Account</string>
     <!-- Preference shown on banner to sign into account -->
@@ -469,6 +478,14 @@
     <string name="history_delete_all_dialog">Cancellare la cronologia?</string>
     <!-- Text for positive action to delete history in deleting history dialog -->
     <string name="history_clear_dialog">Cancella</string>
+    <!-- History overflow menu copy button -->
+    <string name="history_menu_copy_button">Copia</string>
+    <!-- History overflow menu share button -->
+    <string name="history_menu_share_button">Condividi</string>
+    <!-- History overflow menu open in new tab button -->
+    <string name="history_menu_open_in_new_tab_button">Apri in una nuova scheda</string>
+    <!-- History overflow menu open in private tab button -->
+    <string name="history_menu_open_in_private_tab_button">Apri in scheda anonima</string>
     <!-- Text for the button to delete a single history item -->
     <string name="history_delete_item">Elimina</string>
     <!-- History multi select title in app bar
@@ -934,6 +951,9 @@
     <!-- Text for the button to read the privacy notice -->
     <string name="onboarding_privacy_notice_read_button">Leggi la nostra informativa sulla privacy</string>
 
+    <!-- Content description (not visible, for screen readers etc.): Close onboarding screen -->
+    <string name="onboarding_close">Chiudi</string>
+
     <!-- text for the button to finish onboarding -->
     <string name="onboarding_finish">Inizia a navigare</string>
 
@@ -1095,6 +1115,11 @@
     <!-- About page link text to open a screen with libraries that are used -->
     <string name="about_other_open_source_libraries">Librerie utilizzate</string>
 
+    <!-- Toast shown to the user when they are activating the secret dev menu
+        The first parameter is number of long clicks left to enable the menu -->
+    <string name="about_debug_menu_toast_progress">Menu di debug: %1$d clic rimasto/i per attivare</string>
+    <string name="about_debug_menu_toast_done">Menu di debug attivato</string>
+
     <!-- Content description of the tab counter toolbar button when one tab is open -->
     <string name="tab_counter_content_description_one_tab">1 scheda</string>
     <!-- Content description of the tab counter toolbar button when multiple tabs are open. First parameter will be replaced with the number of tabs (always more than one) -->
diff --git a/app/src/main/res/values-pt-rPT/strings.xml b/app/src/main/res/values-pt-rPT/strings.xml
index 0dffea814..52a270f1d 100644
--- a/app/src/main/res/values-pt-rPT/strings.xml
+++ b/app/src/main/res/values-pt-rPT/strings.xml
@@ -150,6 +150,9 @@
     <!-- Text preview for larger sized widgets -->
     <string name="search_widget_text_long">Pesquisar na Internet</string>
 
+    <!-- Content description (not visible, for screen readers etc.): Voice search -->
+    <string name="search_widget_voice">Pesquisa por voz</string>
+
     <!-- Preferences -->
     <!-- Title for the settings page-->
     <string name="settings">Definições</string>
@@ -198,6 +201,12 @@
     <string name="preferences_add_private_browsing_shortcut">Adicionar um atalho de navegação privada</string>
     <!-- Preference for accessibility -->
     <string name="preferences_accessibility">Acessibilidade</string>
+    <!-- Preference to override the Firefox Account server -->
+    <string name="preferences_override_fxa_server">Servidor personalizado de conta Firefox</string>
+    <!-- Preference to override the Sync token server -->
+    <string name="preferences_override_sync_tokenserver">Servidor de sincronização personalizado</string>
+    <!-- Toast shown after updating the FxA/Sync server override preferences -->
+    <string name="toast_override_fxa_sync_server_done">Servidor de conta Firefox / Sincronização modificado. A sair da aplicação para aplicar alterações…</string>
     <!-- Preference category for account information -->
     <string name="preferences_category_account">Conta</string>
     <!-- Preference shown on banner to sign into account -->
@@ -458,6 +467,14 @@
     <string name="history_delete_all_dialog">Tem a certeza que pretende limpar o histórico?</string>
     <!-- Text for positive action to delete history in deleting history dialog -->
     <string name="history_clear_dialog">Limpar</string>
+    <!-- History overflow menu copy button -->
+    <string name="history_menu_copy_button">Copiar</string>
+    <!-- History overflow menu share button -->
+    <string name="history_menu_share_button">Partilhar</string>
+    <!-- History overflow menu open in new tab button -->
+    <string name="history_menu_open_in_new_tab_button">Abrir num novo separador</string>
+    <!-- History overflow menu open in private tab button -->
+    <string name="history_menu_open_in_private_tab_button">Abrir num novo separador privado</string>
     <!-- Text for the button to delete a single history item -->
     <string name="history_delete_item">Eliminar</string>
     <!-- History multi select title in app bar
@@ -901,6 +918,9 @@
     <!-- Text for the button to read the privacy notice -->
     <string name="onboarding_privacy_notice_read_button">Leia a nossa política de privacidade</string>
 
+    <!-- Content description (not visible, for screen readers etc.): Close onboarding screen -->
+    <string name="onboarding_close">Fechar</string>
+
     <!-- text for the button to finish onboarding -->
     <string name="onboarding_finish">Começar a navegar</string>
 
@@ -1066,6 +1086,12 @@
     <!-- About page link text to open a screen with libraries that are used -->
     <string name="about_other_open_source_libraries">Bibliotecas que utilizamos</string>
 
+    <!-- Toast shown to the user when they are activating the secret dev menu
+        The first parameter is number of long clicks left to enable the menu -->
+    <string name="about_debug_menu_toast_progress">Menu de depuração: falta(m) %1$d clique(s) para ativar</string>
+
+    <string name="about_debug_menu_toast_done">Menu de depuração ativado</string>
+
     <!-- Content description of the tab counter toolbar button when one tab is open -->
     <string name="tab_counter_content_description_one_tab">1 separador</string>
     <!-- Content description of the tab counter toolbar button when multiple tabs are open. First parameter will be replaced with the number of tabs (always more than one) -->
diff --git a/app/src/main/res/values-sl/strings.xml b/app/src/main/res/values-sl/strings.xml
index 281722af2..62509974d 100644
--- a/app/src/main/res/values-sl/strings.xml
+++ b/app/src/main/res/values-sl/strings.xml
@@ -408,6 +408,14 @@
     <string name="history_delete_all_dialog">Ste prepričani, da želite počistiti vašo zgodovino?</string>
     <!-- Text for positive action to delete history in deleting history dialog -->
     <string name="history_clear_dialog">Počisti</string>
+    <!-- History overflow menu copy button -->
+    <string name="history_menu_copy_button">Kopiraj</string>
+    <!-- History overflow menu share button -->
+    <string name="history_menu_share_button">Deli</string>
+    <!-- History overflow menu open in new tab button -->
+    <string name="history_menu_open_in_new_tab_button">Odpri v novem zavihku</string>
+    <!-- History overflow menu open in private tab button -->
+    <string name="history_menu_open_in_private_tab_button">Odpri v zasebnem zavihku</string>
     <!-- Text for the button to delete a single history item -->
     <string name="history_delete_item">Izbriši</string>
     <!-- Text for the button to clear selected history items. The first parameter
@@ -694,6 +702,9 @@
     <!-- text for the privacy notice onboarding card header -->
     <string name="onboarding_privacy_notice_header">Vaša zasebnost</string>
 
+    <!-- Content description (not visible, for screen readers etc.): Close onboarding screen -->
+    <string name="onboarding_close">Zapri</string>
+
     <!-- text for the button to finish onboarding -->
     <string name="onboarding_finish">Začnite brskati</string>