diff --git a/app/src/main/res/values-cy/strings.xml b/app/src/main/res/values-cy/strings.xml
index 64ac77826..53bd9b39a 100644
--- a/app/src/main/res/values-cy/strings.xml
+++ b/app/src/main/res/values-cy/strings.xml
@@ -603,6 +603,8 @@
     <string name="tabs_header_private_title">Sesiwn breifat</string>
     <!-- Title for the list of tabs in the current private session -->
     <string name="tabs_header_private_tabs_title">Tabiau preifat</string>
+    <!-- Title for the list of tabs in the synced tabs -->
+    <string name="tabs_header_synced_tabs_title">Tabiau wedi’u cydweddu</string>
     <!-- Content description (not visible, for screen readers etc.): Add tab button. Adds a news tab when pressed -->
     <string name="add_tab">Ychwanegu tab</string>
     <!-- Content description (not visible, for screen readers etc.): Add tab button. Adds a news tab when pressed -->
diff --git a/app/src/main/res/values-de/strings.xml b/app/src/main/res/values-de/strings.xml
index ba945e101..da4b29652 100644
--- a/app/src/main/res/values-de/strings.xml
+++ b/app/src/main/res/values-de/strings.xml
@@ -614,6 +614,8 @@
     <string name="tabs_header_private_title">Private Sitzung</string>
     <!-- Title for the list of tabs in the current private session -->
     <string name="tabs_header_private_tabs_title">Private Tabs</string>
+    <!-- Title for the list of tabs in the synced tabs -->
+    <string name="tabs_header_synced_tabs_title">Synchronisierte Tabs</string>
     <!-- Content description (not visible, for screen readers etc.): Add tab button. Adds a news tab when pressed -->
     <string name="add_tab">Tab hinzufügen</string>
     <!-- Content description (not visible, for screen readers etc.): Add tab button. Adds a news tab when pressed -->
@@ -1770,6 +1772,9 @@
 	<!-- Dialog button text for canceling the rename top site prompt. -->
 	<string name="top_sites_rename_dialog_cancel">Abbrechen</string>
 
+    <!-- Default browser experiment -->
+    <string name="default_browser_experiment_card_text">Stellen Sie Links von Websites, E-Mails und Nachrichten so ein, dass sie in Firefox automatisch geöffnet werden.</string>
+
     <!-- Content description for close button in collection placeholder. -->
     <string name="remove_home_collection_placeholder_content_description">Entfernen</string>
 
diff --git a/app/src/main/res/values-dsb/strings.xml b/app/src/main/res/values-dsb/strings.xml
index 70fce6b96..51001ff26 100644
--- a/app/src/main/res/values-dsb/strings.xml
+++ b/app/src/main/res/values-dsb/strings.xml
@@ -1742,6 +1742,9 @@
 	<!-- Dialog button text for canceling the rename top site prompt. -->
 	<string name="top_sites_rename_dialog_cancel">Pśetergnuś</string>
 
+    <!-- Default browser experiment -->
+    <string name="default_browser_experiment_card_text">Nastajśo wótkaze z websedłow, mejlkow a powěsćow, aby se awtomatiski we Firefox wócynili.</string>
+
     <!-- Content description for close button in collection placeholder. -->
     <string name="remove_home_collection_placeholder_content_description">Wótwónoźeś</string>
 
diff --git a/app/src/main/res/values-el/strings.xml b/app/src/main/res/values-el/strings.xml
index dbb30218e..d6919e0e3 100644
--- a/app/src/main/res/values-el/strings.xml
+++ b/app/src/main/res/values-el/strings.xml
@@ -614,6 +614,8 @@
     <string name="tabs_header_private_title">Ιδιωτική συνεδρία</string>
     <!-- Title for the list of tabs in the current private session -->
     <string name="tabs_header_private_tabs_title">Ιδιωτικές καρτέλες</string>
+    <!-- Title for the list of tabs in the synced tabs -->
+    <string name="tabs_header_synced_tabs_title">Συγχρονισμένες καρτέλες</string>
     <!-- Content description (not visible, for screen readers etc.): Add tab button. Adds a news tab when pressed -->
     <string name="add_tab">Προσθήκη καρτέλας</string>
     <!-- Content description (not visible, for screen readers etc.): Add tab button. Adds a news tab when pressed -->
diff --git a/app/src/main/res/values-en-rCA/strings.xml b/app/src/main/res/values-en-rCA/strings.xml
index 8418570c5..630d1d0f8 100644
--- a/app/src/main/res/values-en-rCA/strings.xml
+++ b/app/src/main/res/values-en-rCA/strings.xml
@@ -600,6 +600,8 @@
     <string name="tabs_header_private_title">Private session</string>
     <!-- Title for the list of tabs in the current private session -->
     <string name="tabs_header_private_tabs_title">Private tabs</string>
+    <!-- Title for the list of tabs in the synced tabs -->
+    <string name="tabs_header_synced_tabs_title">Synced tabs</string>
     <!-- Content description (not visible, for screen readers etc.): Add tab button. Adds a news tab when pressed -->
     <string name="add_tab">Add tab</string>
     <!-- Content description (not visible, for screen readers etc.): Add tab button. Adds a news tab when pressed -->
@@ -1725,6 +1727,9 @@
 	<!-- Dialog button text for canceling the rename top site prompt. -->
 	<string name="top_sites_rename_dialog_cancel">Cancel</string>
 
+    <!-- Default browser experiment -->
+    <string name="default_browser_experiment_card_text">Set links from websites, emails, and messages to open automatically in Firefox.</string>
+
     <!-- Content description for close button in collection placeholder. -->
     <string name="remove_home_collection_placeholder_content_description">Remove</string>
 
diff --git a/app/src/main/res/values-es-rAR/strings.xml b/app/src/main/res/values-es-rAR/strings.xml
index c0a860f64..978aea541 100644
--- a/app/src/main/res/values-es-rAR/strings.xml
+++ b/app/src/main/res/values-es-rAR/strings.xml
@@ -617,6 +617,8 @@
     <string name="tabs_header_private_title">Sesión privada</string>
     <!-- Title for the list of tabs in the current private session -->
     <string name="tabs_header_private_tabs_title">Pestañas privadas</string>
+    <!-- Title for the list of tabs in the synced tabs -->
+    <string name="tabs_header_synced_tabs_title">Pestañas sincronizadas</string>
     <!-- Content description (not visible, for screen readers etc.): Add tab button. Adds a news tab when pressed -->
     <string name="add_tab">Agregar pestaña</string>
     <!-- Content description (not visible, for screen readers etc.): Add tab button. Adds a news tab when pressed -->
diff --git a/app/src/main/res/values-es-rCL/strings.xml b/app/src/main/res/values-es-rCL/strings.xml
index 2826de7fd..d639e6612 100644
--- a/app/src/main/res/values-es-rCL/strings.xml
+++ b/app/src/main/res/values-es-rCL/strings.xml
@@ -602,12 +602,16 @@
     <string name="tabs_header_private_title">Sesión privada</string>
     <!-- Title for the list of tabs in the current private session -->
     <string name="tabs_header_private_tabs_title">Pestañas privadas</string>
+    <!-- Title for the list of tabs in the synced tabs -->
+    <string name="tabs_header_synced_tabs_title">Pestañas sincronizadas</string>
     <!-- Content description (not visible, for screen readers etc.): Add tab button. Adds a news tab when pressed -->
     <string name="add_tab">Añadir pestaña</string>
     <!-- Content description (not visible, for screen readers etc.): Add tab button. Adds a news tab when pressed -->
     <string name="add_private_tab">Añadir pestaña privada</string>
     <!-- Text for the new tab button to indicate adding a new private tab in the tab -->
     <string name="tab_drawer_fab_content">Privada</string>
+    <!-- Text for the new tab button to indicate syncing command on the synced tabs page -->
+    <string name="tab_drawer_fab_sync">Sincronizar</string>
     <!-- Text shown as the title of the open tab tray -->
     <string name="tab_tray_title">Pestañas abiertas</string>
     <!-- Text shown in the menu for saving tabs to a collection -->
@@ -1551,6 +1555,8 @@
     <!-- Preference option for adding a credit card -->
     <string name="preferences_credit_cards_add_credit_card">Añadir tarjeta de crédito</string>
 
+    <!-- Preference option for managing saved credit cards -->
+    <string name="preferences_credit_cards_manage_saved_cards">Gestionar tarjetas guardadas</string>
     <!-- Title of the "Add card" screen -->
     <string name="credit_cards_add_card">Añadir tarjeta</string>
     <!-- The header for the card number of a credit card -->
@@ -1570,6 +1576,9 @@
     <!-- The text for the "Cancel" button for cancelling adding or updating a credit card -->
     <string name="credit_cards_cancel_button">Cancelar</string>
 
+    <!-- Title of the "Saved cards" screen -->
+    <string name="credit_cards_saved_cards">Tarjetas guardadas</string>
+
     <!-- Title of the Add search engine screen -->
     <string name="search_engine_add_custom_search_engine_title">Añadir motor de búsqueda</string>
     <!-- Title of the Edit search engine screen -->
diff --git a/app/src/main/res/values-eu/strings.xml b/app/src/main/res/values-eu/strings.xml
index 4d1aa1cce..fa93c5886 100644
--- a/app/src/main/res/values-eu/strings.xml
+++ b/app/src/main/res/values-eu/strings.xml
@@ -20,10 +20,6 @@
     <!-- No Private Tabs Message Description -->
     <string name="no_private_tabs_description">Zure fitxa pribatuak hemen erakutsiko dira.</string>
 
-    <!-- Default title for pinned Baidu top site that links to Baidu home page  -->
-    <string name="default_top_site_baidu">Baidu</string>
-    <!-- Default title for pinned JD top site that links to JD home page  -->
-    <string name="default_top_site_jd">JD</string>
     <!-- Message announced to the user when tab tray is selected with 1 tab -->
     <string name="open_tab_tray_single">Irekitako fitxa bat. Sakatu fitxaz aldatzeko.</string>
     <!-- Message announced to the user when tab tray is selected with 0 or 2+ tabs -->
@@ -187,6 +183,11 @@
 
     <!-- Browser menu button to show reader view appearance controls e.g. the used font type and size -->
     <string name="browser_menu_customize_reader_view">Pertsonalizatu irakurtzeko ikuspegia</string>
+    <!-- Browser menu label for adding a bookmark -->
+    <string name="browser_menu_add">Gehitu</string>
+    <!-- Browser menu label for editing a bookmark -->
+    <string name="browser_menu_edit">Editatu</string>
+
     <!-- Error message to show when the user tries to access a scheme not
         handled by the app (Ex: blob, tel etc) -->
     <string name="unknown_scheme_error_message">Ezin da konektatu. URL eskema ezagutezina.</string>
@@ -613,12 +614,16 @@
     <string name="tabs_header_private_title">Saio pribatua</string>
     <!-- Title for the list of tabs in the current private session -->
     <string name="tabs_header_private_tabs_title">Fitxa pribatuak</string>
+    <!-- Title for the list of tabs in the synced tabs -->
+    <string name="tabs_header_synced_tabs_title">Sinkronizatutako fitxak</string>
     <!-- Content description (not visible, for screen readers etc.): Add tab button. Adds a news tab when pressed -->
     <string name="add_tab">Gehitu fitxa</string>
     <!-- Content description (not visible, for screen readers etc.): Add tab button. Adds a news tab when pressed -->
     <string name="add_private_tab">Gehitu fitxa pribatua</string>
     <!-- Text for the new tab button to indicate adding a new private tab in the tab -->
     <string name="tab_drawer_fab_content">Pribatua</string>
+    <!-- Text for the new tab button to indicate syncing command on the synced tabs page -->
+    <string name="tab_drawer_fab_sync">Sinkronizatu</string>
     <!-- Text shown as the title of the open tab tray -->
     <string name="tab_tray_title">Irekitako fitxak</string>
     <!-- Text shown in the menu for saving tabs to a collection -->
@@ -987,6 +992,10 @@
     <string name="share_link_all_apps_subheader">Ekintza guztiak</string>
     <!-- Sub-header in the dialog to share a link to an app from the most-recent sorted list -->
     <string name="share_link_recent_apps_subheader">Erabilitako azkenak</string>
+    <!-- An string shown when an account is signed in where %1$s is a placeholder for the email-->
+    <string name="sync_signed_as">%1$s gisa saioa hasita</string>
+    <!-- An option from the three dot menu to into sync -->
+    <string name="sync_menu_sign_in">Hasi saioa sinkronizatzeko</string>
     <!-- An option from the share dialog to sign into sync -->
     <string name="sync_sign_in">Hasi saioa Sync-en</string>
     <!-- An option from the share dialog to send link to all other sync devices -->
@@ -1180,9 +1189,6 @@
     <string name="onboarding_header">Ongi etorri %s(e)ra!</string>
     <!-- text for the Firefox Accounts section header -->
     <string name="onboarding_fxa_section_header">Dagoeneko baduzu kontu bat?</string>
-    <!-- text for the Firefox Preview feature section header
-    The first parameter is the name of the app (e.g. Firefox Preview) -->
-    <string name="onboarding_feature_section_header">Ezagutu %s</string>
     <!-- text for the "What's New" onboarding card header -->
     <string name="onboarding_whats_new_header1">Ikusi nobedadeak</string>
     <!-- text for the "what's new" onboarding card description
@@ -1190,10 +1196,10 @@
     <string name="onboarding_whats_new_description">Birdiseinatutako %s(r)i buruzko galderak dituzu? Zer aldatu den jakin nahi duzu?</string>
     <!-- text for underlined clickable link that is part of "what's new" onboarding card description that links to an FAQ -->
     <string name="onboarding_whats_new_description_linktext">Eskuratu erantzunak hemen</string>
-    <!-- text for the Firefox account onboarding sign in card header -->
-    <string name="onboarding_account_sign_in_header">Hasi sinkronizatzen laster-markak, historia eta gehiago zure Firefox kontua erabiliz.</string>
+    <!-- text for the Firefox account onboarding sign in card header. The word "Firefox" should not be translated -->
+    <string name="onboarding_account_sign_in_header_1">Sinkronizatu Firefox gailuen artean</string>
     <!-- Text for the button to learn more about signing in to your Firefox account -->
-    <string name="onboarding_manual_sign_in_learn_more">Argibide gehiago</string>
+    <string name="onboarding_manual_sign_in_description">Ekarri laster-markak, historia eta pasahitzak gailu honetako Firefoxera.</string>
     <!-- text for the firefox account onboarding card header when we detect you're already signed in to
         another Firefox browser. (The word `Firefox` should not be translated)
         The first parameter is the email of the detected user's account -->
@@ -1202,9 +1208,9 @@
     <string name="onboarding_firefox_account_auto_signin_confirm">Bai, hasi saioa</string>
     <!-- text for the automatic sign-in button while signing in is in process -->
     <string name="onboarding_firefox_account_signing_in">Saioa hasten…</string>
-    <!-- text for the button to manually sign into Firefox account. The word "Firefox" should not be translated -->
-    <string name="onboarding_firefox_account_sign_in">Hasi saioa Firefoxen</string>
 
+    <!-- text for the button to manually sign into Firefox account. -->
+    <string name="onboarding_firefox_account_sign_in_1">Eman izena</string>
     <!-- text for the button to stay signed out when presented with an option to automatically sign-in. -->
     <string name="onboarding_firefox_account_stay_signed_out">Mantendu saiotik kanpo</string>
     <!-- text to display in the snackbar once account is signed-in -->
@@ -1212,26 +1218,23 @@
     <!-- text to display in the snackbar if automatic sign-in fails. user may try again -->
     <string name="onboarding_firefox_account_automatic_signin_failed">Huts egin du saioa hastean</string>
     <!-- text for the tracking protection onboarding card header -->
-    <string name="onboarding_tracking_protection_header_2">Pribatutasun automatikoa</string>
-    <!-- text for the tracking protection card description
-    The first parameter is the name of the app (e.g. Firefox Preview) -->
-    <string name="onboarding_tracking_protection_description_2">Pribatutasun- eta segurtasun-ezarpenek jarraipen-elementuak, malwarea eta zure jarraipena egiten duten enpresak blokeatzen dituzte.</string>
+    <string name="onboarding_tracking_protection_header_3">Pribatutasuna beti aktibo</string>
+    <!-- text for the tracking protection card description. 'Firefox' intentionally hardcoded here -->
+    <string name="onboarding_tracking_protection_description_3">Firefoxek automatikoki eragozten du konpainiek sekretuki zu webean zehar jarraitzea.</string>
     <!-- text for tracking protection radio button option for standard level of blocking -->
     <string name="onboarding_tracking_protection_standard_button_2">Oinarrizkoa (lehenetsia)</string>
     <!-- text for standard blocking option button description -->
-    <string name="onboarding_tracking_protection_standard_button_description_2">Jarraipen-elementu gutxiago blokeatzen ditu. Orriak ohi bezala kargatuko dira.</string>
+    <string name="onboarding_tracking_protection_standard_button_description_3">Pribatutasunerako eta errendimendurako orekatua. Orriak ohi bezala kargatuko dira.</string>
     <!-- text for tracking protection radio button option for strict level of blocking -->
     <string name="onboarding_tracking_protection_strict_button">Zorrotza (gomendatua)</string>
     <!-- text for tracking protection radio button option for strict level of blocking -->
     <string name="onboarding_tracking_protection_strict_option">Zorrotza</string>
     <!-- text for strict blocking option button description -->
-    <string name="onboarding_tracking_protection_strict_button_description_2">Jarraipen-elementu, iragarki eta popup gehiago blokeatzen ditu. Orriak azkarrago kargatzen dira baina zenbait eginbide agian ez dira ondo ibiliko.</string>
-    <!-- text for the toolbar position card header
-        In English this is an idiom for "choose a side as in an argument or fight"
-        but it is ok to make this more literally about "choosing a position in a physical space -->
-    <string name="onboarding_toolbar_position_header">Aukeratu tokia</string>
+    <string name="onboarding_tracking_protection_strict_button_description_3">Jarraipen-elementu gehiago blokeatzen ditu orriak azkarrago karga daitezen baina orriko zenbait eginbide hauts litezke.</string>
+    <!-- text for the toolbar position card header  -->
+    <string name="onboarding_toolbar_placement_header_1">Hautatu tresna-barraren kokapena</string>
     <!-- text for the toolbar position card description -->
-    <string name="onboarding_toolbar_position_description">Probatu esku bakarreko nabigazioa behealdeko tresna-barrarekin edo jar ezazu goian.</string>
+    <string name="onboarding_toolbar_placement_description_1">Izan tresna-barra esku-eskura. Manten ezazu behean edo eraman ezazu gora.</string>
     <!-- text for the private browsing onboarding card header -->
     <string name="onboarding_private_browsing_header">Nabigatu modu pribatuan</string>
     <!-- text for the private browsing onboarding card description
@@ -1244,7 +1247,7 @@
     <!-- text for the privacy notice onboarding card header -->
     <string name="onboarding_privacy_notice_header">Zure pribatutasuna</string>
     <!-- text for the privacy notice onboarding card description
-    The first parameter is the name of the app (e.g. Firefox Preview) -->
+    The first parameter is the name of the app (e.g. Firefox Preview) Substitute %s for long browser name. -->
     <string name="onboarding_privacy_notice_description2">Online partekatzen duzunaren eta gurekin partekatzen duzunaren inguruko kontrola emateko diseinatu dugu %s.</string>
     <!-- Text for the button to read the privacy notice -->
     <string name="onboarding_privacy_notice_read_button">Irakurri gure pribatutasun-oharra</string>
@@ -1259,7 +1262,7 @@
     <!-- text for the theme picker onboarding card header -->
     <string name="onboarding_theme_picker_header">Aukeratu itxura</string>
     <!-- text for the theme picker onboarding card description -->
-    <string name="onboarding_theme_picker_description1">Aurreztu bateria pixka bat eta zaindu ikusmena modu iluna gaituz.</string>
+    <string name="onboarding_theme_picker_description_2">Aurreztu bateria pixka bat eta zaindu ikusmena modu ilunarekin.</string>
     <!-- Automatic theme setting (will follow device setting) -->
     <string name="onboarding_theme_automatic_title">Automatikoa</string>
     <!-- Summary of automatic theme setting (will follow device setting) -->
@@ -1314,13 +1317,13 @@
     <!-- Preference for enhanced tracking protection for the standard protection settings -->
     <string name="preference_enhanced_tracking_protection_standard_default_1">Oinarrizkoa (lehenetsia)</string>
     <!-- Preference description for enhanced tracking protection for the standard protection settings -->
-    <string name="preference_enhanced_tracking_protection_standard_description_3">Jarraipen-elementu gutxiago blokeatzen ditu. Orriak ohi bezala kargatuko dira.</string>
+    <string name="preference_enhanced_tracking_protection_standard_description_4">Pribatutasunerako eta errendimendurako orekatua. Orriak ohi bezala kargatuko dira.</string>
     <!--  Accessibility text for the Standard protection information icon  -->
     <string name="preference_enhanced_tracking_protection_standard_info_button">Jarraipenaren oinarrizko babesak blokeatzen duena</string>
     <!-- Preference for enhanced tracking protection for the strict protection settings -->
     <string name="preference_enhanced_tracking_protection_strict">Zorrotza</string>
     <!-- Preference description for enhanced tracking protection for the strict protection settings -->
-    <string name="preference_enhanced_tracking_protection_strict_description_2">Jarraipen-elementu, iragarki eta popup gehiago blokeatzen ditu. Orriak azkarrago kargatzen dira baina zenbait eginbide agian ez dira ondo ibiliko.</string>
+    <string name="preference_enhanced_tracking_protection_strict_description_3">Jarraipen-elementu gehiago blokeatzen ditu orriak azkarrago karga daitezen baina orriko zenbait eginbide hauts litezke.</string>
     <!--  Accessibility text for the Strict protection information icon  -->
     <string name="preference_enhanced_tracking_protection_strict_info_button">Jarraipenaren babes zorrotzak blokeatzen duena</string>
     <!-- Preference for enhanced tracking protection for the custom protection settings -->
@@ -1569,6 +1572,29 @@
     <!-- Preference option for adding a credit card -->
     <string name="preferences_credit_cards_add_credit_card">Gehitu kreditu-txartela</string>
 
+    <!-- Preference option for managing saved credit cards -->
+    <string name="preferences_credit_cards_manage_saved_cards">Kudeatu gordetako txartelak</string>
+    <!-- Title of the "Add card" screen -->
+    <string name="credit_cards_add_card">Gehitu txartela</string>
+    <!-- The header for the card number of a credit card -->
+    <string name="credit_cards_card_number">Txartelaren zenbakia</string>
+    <!-- The header for the expiration date of a credit card -->
+    <string name="credit_cards_expiration_date">Iraungitze-data</string>
+    <!-- The header for the name on the credit card -->
+    <string name="credit_cards_name_on_card">Txarteleko izena</string>
+    <!-- The header for the nickname for a credit card -->
+    <string name="credit_cards_card_nickname">Txartelaren ezizena</string>
+    <!-- The text for the "Delete card" button for deleting a credit card -->
+    <string name="credit_cards_delete_card_button">Ezabatu txartela</string>
+    <!-- The title for the "Save" menu item for saving a credit card -->
+    <string name="credit_cards_menu_save">Gorde</string>
+    <!-- The text for the "Save" button for saving a credit card -->
+    <string name="credit_cards_save_button">Gorde</string>
+    <!-- The text for the "Cancel" button for cancelling adding or updating a credit card -->
+    <string name="credit_cards_cancel_button">Utzi</string>
+    <!-- Title of the "Saved cards" screen -->
+    <string name="credit_cards_saved_cards">Gordetako txartelak</string>
+
     <!-- Title of the Add search engine screen -->
     <string name="search_engine_add_custom_search_engine_title">Gehitu bilaketa-motorra</string>
     <!-- Title of the Edit search engine screen -->
@@ -1729,6 +1755,9 @@
 	<!-- Dialog button text for canceling the rename top site prompt. -->
 	<string name="top_sites_rename_dialog_cancel">Utzi</string>
 
+    <!-- Default browser experiment -->
+    <string name="default_browser_experiment_card_text">Ireki webgune, posta elektroniko eta mezuetako loturak Firefoxen automatikoki.</string>
+
     <!-- Content description for close button in collection placeholder. -->
     <string name="remove_home_collection_placeholder_content_description">Kendu</string>
 
diff --git a/app/src/main/res/values-fi/strings.xml b/app/src/main/res/values-fi/strings.xml
index 1f11179e1..4ef33e6d0 100644
--- a/app/src/main/res/values-fi/strings.xml
+++ b/app/src/main/res/values-fi/strings.xml
@@ -613,6 +613,8 @@
     <string name="tabs_header_private_title">Yksityinen istunto</string>
     <!-- Title for the list of tabs in the current private session -->
     <string name="tabs_header_private_tabs_title">Yksityiset välilehdet</string>
+    <!-- Title for the list of tabs in the synced tabs -->
+    <string name="tabs_header_synced_tabs_title">Synkronoidut välilehdet</string>
     <!-- Content description (not visible, for screen readers etc.): Add tab button. Adds a news tab when pressed -->
     <string name="add_tab">Lisää välilehti</string>
     <!-- Content description (not visible, for screen readers etc.): Add tab button. Adds a news tab when pressed -->
diff --git a/app/src/main/res/values-fr/strings.xml b/app/src/main/res/values-fr/strings.xml
index 6afe7530d..3b2945fad 100644
--- a/app/src/main/res/values-fr/strings.xml
+++ b/app/src/main/res/values-fr/strings.xml
@@ -613,6 +613,8 @@
     <string name="tabs_header_private_title">Session privée</string>
     <!-- Title for the list of tabs in the current private session -->
     <string name="tabs_header_private_tabs_title">Onglets privés</string>
+    <!-- Title for the list of tabs in the synced tabs -->
+    <string name="tabs_header_synced_tabs_title">Onglets synchronisés</string>
     <!-- Content description (not visible, for screen readers etc.): Add tab button. Adds a news tab when pressed -->
     <string name="add_tab">Ajouter un onglet</string>
     <!-- Content description (not visible, for screen readers etc.): Add tab button. Adds a news tab when pressed -->
diff --git a/app/src/main/res/values-gn/strings.xml b/app/src/main/res/values-gn/strings.xml
index ef1812cca..20e5735e1 100644
--- a/app/src/main/res/values-gn/strings.xml
+++ b/app/src/main/res/values-gn/strings.xml
@@ -614,6 +614,8 @@
     <!-- Title for the list of tabs in the current private session -->
     <string name="tabs_header_private_tabs_title">Tendayke ñemiguáva</string>
 
+    <!-- Title for the list of tabs in the synced tabs -->
+    <string name="tabs_header_synced_tabs_title">Tendayke mbojuehepyre</string>
     <!-- Content description (not visible, for screen readers etc.): Add tab button. Adds a news tab when pressed -->
     <string name="add_tab">Embojuaju tendayke</string>
     <!-- Content description (not visible, for screen readers etc.): Add tab button. Adds a news tab when pressed -->
diff --git a/app/src/main/res/values-hsb/strings.xml b/app/src/main/res/values-hsb/strings.xml
index bca5993c9..2db3e6305 100644
--- a/app/src/main/res/values-hsb/strings.xml
+++ b/app/src/main/res/values-hsb/strings.xml
@@ -1744,6 +1744,9 @@
 	<!-- Dialog button text for canceling the rename top site prompt. -->
 	<string name="top_sites_rename_dialog_cancel">Přetorhnyć</string>
 
+    <!-- Default browser experiment -->
+    <string name="default_browser_experiment_card_text">Nastajće wotkazy z websydłow, mejlkow a powěsćow, zo bychu so awtomatisce we Firefox wočinili.</string>
+
     <!-- Content description for close button in collection placeholder. -->
     <string name="remove_home_collection_placeholder_content_description">Wotstronić</string>
 
diff --git a/app/src/main/res/values-hu/strings.xml b/app/src/main/res/values-hu/strings.xml
index 329706753..91a29f9f6 100644
--- a/app/src/main/res/values-hu/strings.xml
+++ b/app/src/main/res/values-hu/strings.xml
@@ -608,6 +608,8 @@
     <string name="tabs_header_private_title">Privát munkamenet</string>
     <!-- Title for the list of tabs in the current private session -->
     <string name="tabs_header_private_tabs_title">Privát lapok</string>
+    <!-- Title for the list of tabs in the synced tabs -->
+    <string name="tabs_header_synced_tabs_title">Szinkronizált lapok</string>
     <!-- Content description (not visible, for screen readers etc.): Add tab button. Adds a news tab when pressed -->
     <string name="add_tab">Lap hozzáadása</string>
     <!-- Content description (not visible, for screen readers etc.): Add tab button. Adds a news tab when pressed -->
@@ -1751,6 +1753,9 @@
 	<!-- Dialog button text for canceling the rename top site prompt. -->
 	<string name="top_sites_rename_dialog_cancel">Mégse</string>
 
+    <!-- Default browser experiment -->
+    <string name="default_browser_experiment_card_text">Állítsa be a webhelyek, e-mailek és üzenetek hivatkozásait, hogy azok automatikusan a Firefoxban nyíljanak meg.</string>
+
     <!-- Content description for close button in collection placeholder. -->
     <string name="remove_home_collection_placeholder_content_description">Eltávolítás</string>
 
diff --git a/app/src/main/res/values-ia/strings.xml b/app/src/main/res/values-ia/strings.xml
index 60b6765ca..72d2c5c35 100644
--- a/app/src/main/res/values-ia/strings.xml
+++ b/app/src/main/res/values-ia/strings.xml
@@ -10,6 +10,33 @@
     <!-- Content description (not visible, for screen readers etc.): "Three dot" menu button. -->
     <string name="content_description_menu"></string>
 
+    <!-- Content description (not visible, for screen readers etc.): "Private Browsing" menu button. -->
+    <string name="content_description_private_browsing_button">Activar le Navigation anonyme.</string>
+    <!-- Content description (not visible, for screen readers etc.): "Private Browsing" menu button. -->
+    <string name="content_description_disable_private_browsing_button">Disactivar le Navigation anonyme.</string>
+    <!-- Placeholder text shown in the search bar before a user enters text -->
+    <string name="search_hint">Insere un adresse o face un recerca</string>
+    <!-- Tab tray multi select title in app bar. The first parameter is the number of tabs selected -->
+    <string name="tab_tray_multi_select_title">%1$d seligite</string>
+    <!-- Label of button in create collection dialog for creating a new collection  -->
+    <string name="tab_tray_add_new_collection">Adder nove collection</string>
+    <!-- Label of editable text in create collection dialog for naming a new collection  -->
+    <string name="tab_tray_add_new_collection_name">Nomine</string>
+    <!-- Label of button in save to collection dialog for selecting a current collection  -->
+    <string name="tab_tray_select_collection">Eliger un collection</string>
+    <!-- Content description for save to collection button while in multiselect mode in tab tray -->
+    <string name="tab_tray_collection_button_multiselect_content_description">Salvar schedas eligite al collection</string>
+    <!-- Content description for checkmark while tab is selected while in multiselect mode in tab tray. The first parameter is the title of the tab selected -->
+    <string name="tab_tray_item_selected_multiselect_content_description">Selecte %1$s</string>
+    <!-- Content description on checkmark while tab is selected in multiselect mode in tab tray -->
+    <string name="tab_tray_multiselect_selected_content_description">Seligite</string>
+
+    <string name="private_browsing_common_myths">
+       Mythos commun re le navigation anonyme
+    </string>
+    <!-- Delete session button to erase your history in a private session -->
+    <string name="private_browsing_delete_session">Deler le session</string>
+
     <!-- Text for the negative button -->
     <string name="cfr_neg_button_text">No, gratias</string>
 
@@ -567,6 +594,8 @@
     <string name="tabs_header_private_tabs_title">Schedas anonyme</string>
 
 
+    <!-- Title for the list of tabs in the synced tabs -->
+    <string name="tabs_header_synced_tabs_title">Schedas synchronisate</string>
     <!-- Content description (not visible, for screen readers etc.): Add tab button. Adds a news tab when pressed -->
     <string name="add_tab">Adder un scheda</string>
     <!-- Content description (not visible, for screen readers etc.): Add tab button. Adds a news tab when pressed -->
@@ -1131,12 +1160,23 @@
 
     <!-- text for firefox preview moving tip header. "Firefox Nightly" is intentionally hardcoded -->
     <string name="tip_firefox_preview_moved_header_preview_installed">Firefox Nightly ha movite</string>
+    <!-- text for firefox preview moving tip description -->
+    <string name="tip_firefox_preview_moved_description_preview_installed">
+        Iste app non recipera plus actualisationes de securitate. Cessa de usar iste app e passa al nove Nightly.
+        \n\nPro transferer tu marcapaginas, credentiales e chronologia a un altere app, crea un conto Firefox.</string>
     <!-- text for firefox preview moving tip button  -->
     <string name="tip_firefox_preview_moved_button_preview_installed">Passar al nove Nightly</string>
 
     <!-- text for firefox preview moving tip header. "Firefox Nightly" is intentionally hardcoded -->
     <string name="tip_firefox_preview_moved_header_preview_not_installed">Firefox Nightly ha movite</string>
 
+    <!-- text for firefox preview moving tip description -->
+    <string name="tip_firefox_preview_moved_description_preview_not_installed">
+        Iste app non recipera plus actualisationes de securitate. Installa le nove Nightly e cessa de usar iste app.
+        \n\nPro transferer tu marcapaginas, credentiales e chronologia a un altere app, crea un conto Firefox.</string>
+    <!-- text for firefox preview moving tip button  -->
+    <string name="tip_firefox_preview_moved_button_preview_not_installed">Installa le nove Nightly</string>
+
     <!-- Onboarding -->
     <!-- Text for onboarding welcome message
     The first parameter is the name of the app (e.g. Firefox Preview) -->
@@ -1145,12 +1185,31 @@
     <string name="onboarding_fxa_section_header">Ha tu ja un conto?</string>
     <!-- text for the "What's New" onboarding card header -->
     <string name="onboarding_whats_new_header1">Vide le novas</string>
+    <!-- text for the "what's new" onboarding card description
+    The first parameter is the short name of the app (e.g. Firefox) -->
+    <string name="onboarding_whats_new_description">Ha tu questiones re le %s redesignate? Voler tu saper lo que es cambiate?</string>
+    <!-- text for underlined clickable link that is part of "what's new" onboarding card description that links to an FAQ -->
+    <string name="onboarding_whats_new_description_linktext">Obtene responsas hic</string>
     <!-- text for the Firefox account onboarding sign in card header. The word "Firefox" should not be translated -->
     <string name="onboarding_account_sign_in_header_1">Synchronisar Firefox inter apparatos</string>
     <!-- Text for the button to learn more about signing in to your Firefox account -->
     <string name="onboarding_manual_sign_in_description">Apporta marcapaginas, chronologia e contrasignos de Firefox sur iste dispositivo.</string>
+    <!-- text for the firefox account onboarding card header when we detect you're already signed in to
+        another Firefox browser. (The word `Firefox` should not be translated)
+        The first parameter is the email of the detected user's account -->
+    <string name="onboarding_firefox_account_auto_signin_header_3">Tu es authenticate como %s sur un altere navigator Firefox sur iste apparato. Vole tu acceder con iste conto?</string>
+    <!-- text for the button to confirm automatic sign-in -->
+    <string name="onboarding_firefox_account_auto_signin_confirm">Si, authenticar me</string>
+    <!-- text for the automatic sign-in button while signing in is in process -->
+    <string name="onboarding_firefox_account_signing_in">Apertura de session…</string>
     <!-- text for the button to manually sign into Firefox account. -->
     <string name="onboarding_firefox_account_sign_in_1">Inscribe te</string>
+    <!-- text for the button to stay signed out when presented with an option to automatically sign-in. -->
+    <string name="onboarding_firefox_account_stay_signed_out">Restar disconnexe</string>
+    <!-- text to display in the snackbar once account is signed-in -->
+    <string name="onboarding_firefox_account_sync_is_on">Sync es activate</string>
+    <!-- text to display in the snackbar if automatic sign-in fails. user may try again -->
+    <string name="onboarding_firefox_account_automatic_signin_failed">Authentication impossibile</string>
     <!-- text for the tracking protection onboarding card header -->
     <string name="onboarding_tracking_protection_header_3">Confidentialitate sempre active</string>
     <!-- text for the tracking protection card description. 'Firefox' intentionally hardcoded here -->
@@ -1160,14 +1219,32 @@
     <!-- text for standard blocking option button description -->
     <string name="onboarding_tracking_protection_standard_button_description_3">Equilibrio inter confidentialitate e prestation. Le paginas carga normalmente.</string>
     <!-- text for tracking protection radio button option for strict level of blocking -->
+    <string name="onboarding_tracking_protection_strict_button">Stricte (recommendate)</string>
+    <!-- text for tracking protection radio button option for strict level of blocking -->
     <string name="onboarding_tracking_protection_strict_option">Stricte</string>
     <!-- text for strict blocking option button description -->
     <string name="onboarding_tracking_protection_strict_button_description_3">Bloca plus traciatores assi que le paginas se carga plus veloce, ma alcun functionalitate sur le pagina pote corrumper se.</string>
 
+    <!-- text for the toolbar position card header  -->
+    <string name="onboarding_toolbar_placement_header_1">Elige le ubication de tu barra del instrumentos</string>
+    <!-- text for the toolbar position card description -->
+    <string name="onboarding_toolbar_placement_description_1">Pone le barra del instrumentos pro attinger lo facilemente.</string>
+    <!-- text for the private browsing onboarding card header -->
+    <string name="onboarding_private_browsing_header">Naviga reservatemente</string>
+    <!-- text for the private browsing onboarding card description
+    The first parameter is an icon that represents private browsing -->
+    <string name="onboarding_private_browsing_description1">Aperi un scheda anonyme un sol vice: tocca le icone %s.</string>
+    <!-- text for the private browsing onboarding card description, explaining how to always using private browsing -->
+    <string name="onboarding_private_browsing_always_description">Aperi schedas anonyme cata vice: actualisa tu parametros de navigation anonyme.</string>
     <!-- text for the private browsing onbording card button, that launches settings -->
     <string name="onboarding_private_browsing_button">Aperir le parametros</string>
     <!-- text for the privacy notice onboarding card header -->
     <string name="onboarding_privacy_notice_header">Tu confidentialitate</string>
+    <!-- text for the privacy notice onboarding card description
+    The first parameter is the name of the app (e.g. Firefox Preview) Substitute %s for long browser name. -->
+    <string name="onboarding_privacy_notice_description2">Nos ha designate %s pro te dar controlo super lo que tu comparti online e con nos.</string>
+    <!-- Text for the button to read the privacy notice -->
+    <string name="onboarding_privacy_notice_read_button">Lege nostre aviso de confidentialitate</string>
     <!-- Content description (not visible, for screen readers etc.): Close onboarding screen -->
     <string name="onboarding_close">Clauder</string>
 
@@ -1183,8 +1260,19 @@
     <!-- Automatic theme setting (will follow device setting) -->
     <string name="onboarding_theme_automatic_title">Automatic</string>
 
+    <!-- Summary of automatic theme setting (will follow device setting) -->
+    <string name="onboarding_theme_automatic_summary">Se adapta al parametros de tu apparato</string>
+    <!-- Theme setting for dark mode -->
+    <string name="onboarding_theme_dark_title">Thema obscur</string>
+    <!-- Theme setting for light mode -->
+    <string name="onboarding_theme_light_title">Thema clar</string>
+
+    <!-- Text shown in snackbar when multiple tabs have been sent to device -->
+    <string name="sync_sent_tabs_snackbar">Schedas inviate!</string>
     <!-- Text shown in snackbar when one tab has been sent to device  -->
     <string name="sync_sent_tab_snackbar">Scheda inviate!</string>
+    <!-- Text shown in snackbar when sharing tabs failed  -->
+    <string name="sync_sent_tab_error_snackbar">Schedas inviar</string>
     <!-- Text shown in snackbar for the "retry" action that the user has after sharing tabs failed -->
     <string name="sync_sent_tab_error_snackbar_action">RETENTAR</string>
 
@@ -1245,6 +1333,11 @@
     <!-- About page link text to open know your rights link -->
     <string name="about_know_your_rights">Prende acto de tu derectos</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) -->
+    <string name="tab_counter_content_description_multi_tab">%d schedas</string>
+
     <!-- Browser long press popup menu -->
     <!-- Copy the current url -->
     <string name="browser_toolbar_long_press_popup_copy">Copiar</string>
@@ -1264,6 +1357,8 @@
     <!-- Continue to website button text for the first-time Add to Homescreen dialog -->
     <string name="add_to_homescreen_continue">Continuar al sito web</string>
 
+    <!-- Preference for autofilling saved logins in Fenix -->
+    <string name="preferences_passwords_autofill">Autoplenar</string>
     <!-- Syncing saved logins in Fenix is on -->
     <string name="preferences_passwords_sync_logins_on">Active</string>
     <!-- Syncing saved logins in Fenix is off -->
@@ -1278,6 +1373,8 @@
     <string name="preferences_passwords_saved_logins_description_empty_learn_more_link">Apprender plus re Sync.</string>
     <!-- Preference to access list of login exceptions that we never save logins for -->
     <string name="preferences_passwords_exceptions">Exceptiones</string>
+    <!-- Option to sort logins list A-Z, alphabetically -->
+    <string name="preferences_passwords_saved_logins_alphabetically">Alphabeticamente</string>
     <!-- The header for the site that a login is for -->
     <string name="preferences_passwords_saved_logins_site">Sito</string>
     <!-- The header for the username for a login -->
@@ -1305,6 +1402,9 @@
     <!-- Saved logins sorting strategy menu item -by name- (if selected, it will sort saved logins alphabetically) -->
     <string name="saved_logins_sort_strategy_alphabetically">Nomine (A-Z)</string>
 
+    <!-- Saved logins sorting strategy menu item -by last used- (if selected, it will sort saved logins by last used) -->
+    <string name="saved_logins_sort_strategy_last_used">Ultimemente usate</string>
+
     <!-- Credit Cards Autofill -->
     <!-- Preference and title for managing the settings for credit cards -->
     <string name="preferences_credit_cards">Cartas de credito</string>
@@ -1386,6 +1486,13 @@
     <!-- Voice search prompt description displayed after the user presses the voice search button -->
     <string name="voice_search_explainer">Parla ora</string>
 
+    <!-- Text displayed on a button in the synced tabs screen to link users to sign in when a user is not signed in to Firefox Sync -->
+    <string name="synced_tabs_sign_in_button">Aperi session pro synchronisar</string>
+    <!-- The text displayed when a synced device has no tabs to show in the list of Synced Tabs. -->
+    <string name="synced_tabs_no_open_tabs">Nulle schedas aperite</string>
+
+    <!-- Confirmation dialog button text when top sites limit is reached. -->
+    <string name="top_sites_max_limit_confirmation_button">De accordo</string>
     <!-- Title text displayed in the rename top site dialog. -->
 	<string name="top_sites_rename_dialog_title">Nomine</string>
 	<!-- Button caption to confirm the renaming of the top site. -->
diff --git a/app/src/main/res/values-it/strings.xml b/app/src/main/res/values-it/strings.xml
index b9a781f22..72c3513dc 100644
--- a/app/src/main/res/values-it/strings.xml
+++ b/app/src/main/res/values-it/strings.xml
@@ -617,6 +617,8 @@
     <string name="tabs_header_private_title">Sessione anonima</string>
     <!-- Title for the list of tabs in the current private session -->
     <string name="tabs_header_private_tabs_title">Schede anonime</string>
+    <!-- Title for the list of tabs in the synced tabs -->
+    <string name="tabs_header_synced_tabs_title">Schede sincronizzate</string>
     <!-- Content description (not visible, for screen readers etc.): Add tab button. Adds a news tab when pressed -->
     <string name="add_tab">Aggiungi scheda</string>
     <!-- Content description (not visible, for screen readers etc.): Add tab button. Adds a news tab when pressed -->
diff --git a/app/src/main/res/values-ko/strings.xml b/app/src/main/res/values-ko/strings.xml
index c253bb28c..aaec58a47 100644
--- a/app/src/main/res/values-ko/strings.xml
+++ b/app/src/main/res/values-ko/strings.xml
@@ -1793,6 +1793,9 @@
 	<!-- Dialog button text for canceling the rename top site prompt. -->
 	<string name="top_sites_rename_dialog_cancel">취소</string>
 
+    <!-- Default browser experiment -->
+    <string name="default_browser_experiment_card_text">Firefox에서 자동으로 열리도록 웹 사이트, 이메일 및 메시지의 링크를 설정합니다.</string>
+
     <!-- Content description for close button in collection placeholder. -->
     <string name="remove_home_collection_placeholder_content_description">삭제</string>
 
diff --git a/app/src/main/res/values-nn-rNO/strings.xml b/app/src/main/res/values-nn-rNO/strings.xml
index 418d11f45..75a66b2cf 100644
--- a/app/src/main/res/values-nn-rNO/strings.xml
+++ b/app/src/main/res/values-nn-rNO/strings.xml
@@ -611,6 +611,8 @@
     <string name="tabs_header_private_title">Privat økt</string>
     <!-- Title for the list of tabs in the current private session -->
     <string name="tabs_header_private_tabs_title">Private faner</string>
+    <!-- Title for the list of tabs in the synced tabs -->
+    <string name="tabs_header_synced_tabs_title">Synkroniserte faner</string>
     <!-- Content description (not visible, for screen readers etc.): Add tab button. Adds a news tab when pressed -->
     <string name="add_tab">Legg til fane</string>
     <!-- Content description (not visible, for screen readers etc.): Add tab button. Adds a news tab when pressed -->
diff --git a/app/src/main/res/values-oc/strings.xml b/app/src/main/res/values-oc/strings.xml
index bd2351469..158b1c033 100644
--- a/app/src/main/res/values-oc/strings.xml
+++ b/app/src/main/res/values-oc/strings.xml
@@ -609,6 +609,8 @@
     <string name="tabs_header_private_title">Session privada</string>
     <!-- Title for the list of tabs in the current private session -->
     <string name="tabs_header_private_tabs_title">Onglets privats</string>
+    <!-- Title for the list of tabs in the synced tabs -->
+    <string name="tabs_header_synced_tabs_title">Onglets sincronizats</string>
     <!-- Content description (not visible, for screen readers etc.): Add tab button. Adds a news tab when pressed -->
     <string name="add_tab">Apondre un onglet</string>
     <!-- Content description (not visible, for screen readers etc.): Add tab button. Adds a news tab when pressed -->
@@ -1194,14 +1196,22 @@
     <string name="onboarding_firefox_account_auto_signin_confirm">Òc, connectatz-me</string>
     <!-- text for the automatic sign-in button while signing in is in process -->
     <string name="onboarding_firefox_account_signing_in">Connexion…</string>
+    <!-- text for the button to manually sign into Firefox account. -->
+    <string name="onboarding_firefox_account_sign_in_1">Se connectar</string>
     <!-- text for the button to stay signed out when presented with an option to automatically sign-in. -->
     <string name="onboarding_firefox_account_stay_signed_out">Demorar desconnectat</string>
     <!-- text to display in the snackbar once account is signed-in -->
     <string name="onboarding_firefox_account_sync_is_on">Sincro. activada</string>
     <!-- text to display in the snackbar if automatic sign-in fails. user may try again -->
     <string name="onboarding_firefox_account_automatic_signin_failed">Fracàs de connexion</string>
+    <!-- text for the tracking protection onboarding card header -->
+    <string name="onboarding_tracking_protection_header_3">Confidencialitat totjorn renfortida</string>
+    <!-- text for the tracking protection card description. 'Firefox' intentionally hardcoded here -->
+    <string name="onboarding_tracking_protection_description_3">Firefox empacha automaticament las entrepresas de vos pistar secrètament pel web.</string>
     <!-- text for tracking protection radio button option for standard level of blocking -->
     <string name="onboarding_tracking_protection_standard_button_2">Estandard (per defaut)</string>
+    <!-- text for standard blocking option button description -->
+    <string name="onboarding_tracking_protection_standard_button_description_3">Equilibri entre confidencialitat e performança. Las pagina cargaràn normalament.</string>
     <!-- text for tracking protection radio button option for strict level of blocking -->
     <string name="onboarding_tracking_protection_strict_button">Estricte (recomandat)</string>
     <!-- text for tracking protection radio button option for strict level of blocking -->
@@ -1285,6 +1295,8 @@
     <string name="preference_enhanced_tracking_protection_explanation_learn_more">Ne saber mai</string>
     <!-- Preference for enhanced tracking protection for the standard protection settings -->
     <string name="preference_enhanced_tracking_protection_standard_default_1">Estandarda (per defaut)</string>
+    <!-- Preference description for enhanced tracking protection for the standard protection settings -->
+    <string name="preference_enhanced_tracking_protection_standard_description_4">Equilibri entre confidencialitat e performança. Las pagina cargaràn normalament.</string>
     <!--  Accessibility text for the Standard protection information icon  -->
     <string name="preference_enhanced_tracking_protection_standard_info_button">Çò que la proteccion contra lo seguiment estandarda bloca</string>
     <!-- Preference for enhanced tracking protection for the strict protection settings -->
diff --git a/app/src/main/res/values-pt-rBR/strings.xml b/app/src/main/res/values-pt-rBR/strings.xml
index a1e97b04f..71cb9b4a5 100644
--- a/app/src/main/res/values-pt-rBR/strings.xml
+++ b/app/src/main/res/values-pt-rBR/strings.xml
@@ -1744,6 +1744,9 @@
 	<!-- Dialog button text for canceling the rename top site prompt. -->
 	<string name="top_sites_rename_dialog_cancel">Cancelar</string>
 
+    <!-- Default browser experiment -->
+    <string name="default_browser_experiment_card_text">Abra links, emails e mensagens automaticamente no Firefox.</string>
+
     <!-- Content description for close button in collection placeholder. -->
     <string name="remove_home_collection_placeholder_content_description">Remover</string>
 
diff --git a/app/src/main/res/values-sv-rSE/strings.xml b/app/src/main/res/values-sv-rSE/strings.xml
index 13ee64499..d9695eaca 100644
--- a/app/src/main/res/values-sv-rSE/strings.xml
+++ b/app/src/main/res/values-sv-rSE/strings.xml
@@ -1758,6 +1758,9 @@
 	<!-- Dialog button text for canceling the rename top site prompt. -->
 	<string name="top_sites_rename_dialog_cancel">Avbryt</string>
 
+    <!-- Default browser experiment -->
+    <string name="default_browser_experiment_card_text">Ställ in länkar från webbplatser, e-post och meddelanden så att de öppnas automatiskt i Firefox.</string>
+
     <!-- Content description for close button in collection placeholder. -->
     <string name="remove_home_collection_placeholder_content_description">Ta bort</string>
 
diff --git a/app/src/main/res/values-tg/strings.xml b/app/src/main/res/values-tg/strings.xml
index 9588ca9b4..c68330e7a 100644
--- a/app/src/main/res/values-tg/strings.xml
+++ b/app/src/main/res/values-tg/strings.xml
@@ -603,6 +603,8 @@
     <string name="tabs_header_private_title">Ҷаласаи махфӣ</string>
     <!-- Title for the list of tabs in the current private session -->
     <string name="tabs_header_private_tabs_title">Варақаҳои махфӣ</string>
+    <!-- Title for the list of tabs in the synced tabs -->
+    <string name="tabs_header_synced_tabs_title">Варақаҳои ҳамоҳангшуда</string>
     <!-- Content description (not visible, for screen readers etc.): Add tab button. Adds a news tab when pressed -->
     <string name="add_tab">Илова кардани варақа</string>
     <!-- Content description (not visible, for screen readers etc.): Add tab button. Adds a news tab when pressed -->
diff --git a/app/src/main/res/values-tr/strings.xml b/app/src/main/res/values-tr/strings.xml
index a611dc97f..d573449ec 100644
--- a/app/src/main/res/values-tr/strings.xml
+++ b/app/src/main/res/values-tr/strings.xml
@@ -605,6 +605,8 @@
     <string name="tabs_header_private_title">Gizli oturum</string>
     <!-- Title for the list of tabs in the current private session -->
     <string name="tabs_header_private_tabs_title">Gizli sekmeler</string>
+    <!-- Title for the list of tabs in the synced tabs -->
+    <string name="tabs_header_synced_tabs_title">Eşitlenmiş sekmeler</string>
     <!-- Content description (not visible, for screen readers etc.): Add tab button. Adds a news tab when pressed -->
     <string name="add_tab">Sekme ekle</string>
     <!-- Content description (not visible, for screen readers etc.): Add tab button. Adds a news tab when pressed -->
@@ -1738,6 +1740,9 @@
 	<!-- Dialog button text for canceling the rename top site prompt. -->
 	<string name="top_sites_rename_dialog_cancel">İptal</string>
 
+    <!-- Default browser experiment -->
+    <string name="default_browser_experiment_card_text">Web siteleri, e-postalar ve mesajlardaki bağlantılar otomatik olarak Firefox’ta açılsın.</string>
+
     <!-- Content description for close button in collection placeholder. -->
     <string name="remove_home_collection_placeholder_content_description">Kaldır</string>
 
diff --git a/app/src/main/res/values-tt/strings.xml b/app/src/main/res/values-tt/strings.xml
index b3e710d66..b023c305f 100644
--- a/app/src/main/res/values-tt/strings.xml
+++ b/app/src/main/res/values-tt/strings.xml
@@ -176,6 +176,8 @@
     <!-- Content description for search icon -->
     <string name="a11y_search_icon_content_description">Эзләү</string>
 
+    <!-- Text for default locale item -->
+    <string name="default_locale_text">Җиһаз теленә иярү</string>
     <!-- Placeholder text shown in the search bar before a user enters text -->
     <string name="locale_search_hint">Телне эзләү</string>
 
@@ -186,6 +188,8 @@
     <string name="search_engine_button">Эзләү системасы</string>
     <!-- Button in the search view when shortcuts are displayed that takes a user to the search engine settings -->
     <string name="search_shortcuts_engine_settings">Эзләү системасы көйләүләре</string>
+    <!-- Button in the search view that lets a user navigate to the site in their clipboard -->
+    <string name="awesomebar_clipboard_title">Сылтаманы алмашу буферыннан алу</string>
     <!-- Button in the search suggestions onboarding that allows search suggestions in private sessions -->
     <string name="search_suggestions_onboarding_allow_button">Рөхсәт итү</string>
     <!-- Button in the search suggestions onboarding that does not allow search suggestions in private sessions -->
@@ -327,6 +331,9 @@
     <!-- Preference for notifications -->
     <string name="preferences_notifications">Искәртүләр</string>
 
+    <!-- Add-on Preferences -->
+    <!-- Preference to customize the configured AMO (addons.mozilla.org) collection -->
+    <string name="preferences_customize_amo_collection">Үзгә кушымчалар җыентыгы</string>
     <!-- Button caption to confirm the add-on collection configuration -->
     <string name="customize_addon_collection_ok">ОК</string>
     <!-- Button caption to abort the add-on collection configuration -->
@@ -1243,6 +1250,22 @@
     <string name="preferences_credit_cards">Кредит карталары</string>
     <!-- Preference summary for saving and autofilling credit card data -->
     <string name="preferences_credit_cards_save_and_autofill_cards_summary">Мәгълүматлар шифрланган</string>
+    <!-- Preference option for syncing credit cards across devices. This is displayed when the user is not signed into sync -->
+    <string name="preferences_credit_cards_sync_cards_across_devices">Карталарны җиһазлар арасында синхронлау</string>
+    <!-- Preference option for adding a credit card -->
+    <string name="preferences_credit_cards_add_credit_card">Кредит картасын өстәү</string>
+    <!-- Preference option for managing saved credit cards -->
+    <string name="preferences_credit_cards_manage_saved_cards">Сакланган карталар белән идарә итү</string>
+    <!-- Title of the "Add card" screen -->
+    <string name="credit_cards_add_card">Картаны өстәү</string>
+    <!-- The header for the card number of a credit card -->
+    <string name="credit_cards_card_number">Карта номеры</string>
+    <!-- The header for the expiration date of a credit card -->
+    <string name="credit_cards_expiration_date">Вакыты чыгу датасы</string>
+    <!-- The header for the name on the credit card -->
+    <string name="credit_cards_name_on_card">Картадагы исем</string>
+    <!-- The text for the "Delete card" button for deleting a credit card -->
+    <string name="credit_cards_delete_card_button">Картаны бетерү</string>
     <!-- The title for the "Save" menu item for saving a credit card -->
     <string name="credit_cards_menu_save">Саклау</string>
     <!-- The text for the "Save" button for saving a credit card -->
@@ -1250,6 +1273,9 @@
     <!-- The text for the "Cancel" button for cancelling adding or updating a credit card -->
     <string name="credit_cards_cancel_button">Баш тарту</string>
 
+    <!-- Title of the "Saved cards" screen -->
+    <string name="credit_cards_saved_cards">Сакланган карталар</string>
+
     <!-- Title of the Add search engine screen -->
     <string name="search_engine_add_custom_search_engine_title">Эзләү системасын өстәү</string>
     <!-- Title of the Edit search engine screen -->
@@ -1272,9 +1298,21 @@
     <!-- Text for the button to learn more about adding a custom search engine -->
     <string name="search_add_custom_engine_learn_more_label">Күбрәк белү</string>
 
+    <!-- Text shown when a user leaves the name field empty -->
+    <string name="search_add_custom_engine_error_empty_name">Эзләү системасының исемен кертегез</string>
+    <!-- Text shown when a user leaves the search string field empty -->
+    <string name="search_add_custom_engine_error_empty_search_string">Эзләнәсе сүзтезмәне кертегез</string>
+    <!-- Text shown when a user leaves out the required template string -->
+    <string name="search_add_custom_engine_error_missing_template">Эзләнәсе сүзтезмәнең Мисал форматына туры килүен тикшерегез</string>
+    <!-- Text shown when a user creates a new search engine -->
+    <string name="search_add_custom_engine_success_message">%s ясалды</string>
+    <!-- Text shown when a user successfully edits a custom search engine -->
+    <string name="search_edit_custom_engine_success_message">%s сакланды</string>
     <!-- Text shown when a user successfully deletes a custom search engine -->
     <string name="search_delete_search_engine_success_message">%s бетерелде</string>
 
+    <!-- Text on the disabled button while in progress. Placeholder replaced with app name -->
+    <string name="migration_updating_app_button_text">%s яңартыла…</string>
     <!-- Text on the enabled button. Placeholder replaced with app name-->
     <string name="migration_update_app_button">%s программасын кабызу</string>
     <!-- Accessibility description text for a completed migration item -->
@@ -1286,6 +1324,18 @@
     <string name="quick_settings_sheet_secure_connection">Хәвефсез бәйләнеш</string>
     <!-- Label that indicates a site is using a insecure connection -->
     <string name="quick_settings_sheet_insecure_connection">Хәвефсез булмаган бәйләнеш</string>
+    <!-- Confirmation message for a dialog confirming if the user wants to delete all the permissions for all sites-->
+    <string name="confirm_clear_permissions_on_all_sites">Барлык сайтлардагы барлык рөхсәтләрне дә чистартуны раслыйсызмы?</string>
+    <!-- Confirmation message for a dialog confirming if the user wants to delete all the permissions for a site-->
+    <string name="confirm_clear_permissions_site">Бу сайт өчен бирелгән барлык рөхсәтләрне дә чистартуны раслыйсызмы?</string>
+    <!-- Confirmation message for a dialog confirming if the user wants to set default value a permission for a site-->
+    <string name="confirm_clear_permission_site">Әлеге сайт өчен бирелгән бу рөхсәтне кире алуны раслыйсызмы?</string>
+    <!-- Label for the Pocket default top site -->
+    <string name="pocket_top_articles">Төп мәкаләләр</string>
+    <!-- Bookmark deletion confirmation -->
+    <string name="bookmark_deletion_confirmation">Бу кыстыргычны бетерүне раслыйсызмы?</string>
+    <!-- Browser menu button that adds a top site to the home fragment -->
+    <string name="browser_menu_add_to_top_sites">Төп сайтларга өстәү</string>
     <!-- text shown before the issuer name to indicate who its verified by, parameter is the name of
      the certificate authority that verified the ticket-->
     <string name="certificate_info_verified_by">Раслаучы: %1$s</string>
@@ -1293,8 +1343,14 @@
     <string name="login_menu_delete_button">Бетерү</string>
     <!-- Login overflow menu edit button -->
     <string name="login_menu_edit_button">Үзгәртү</string>
+    <!-- Message in delete confirmation dialog for logins -->
+    <string name="login_deletion_confirmation">Бу логинны бетерүне раслыйсызмы?</string>
     <!-- Positive action of a dialog asking to delete  -->
     <string name="dialog_delete_positive">Бетерү</string>
+    <!--  The saved login options menu description. -->
+    <string name="login_options_menu">Логин көйләүләре </string>
+    <!--  The button description to save changes to an edited login. -->
+    <string name="save_changes_to_login">Логин үзгәрешләрен саклау.</string>
     <!--  The button description to discard changes to an edited login. -->
     <string name="discard_changes">Үзгәрешләрдән ваз кичү</string>
     <!--  The page title for editing a saved login. -->
@@ -1319,6 +1375,8 @@
     <string name="top_sites_max_limit_confirmation_button">Яхшы, аңладым</string>
     <!-- Title text displayed in the rename top site dialog. -->
 	<string name="top_sites_rename_dialog_title">Исем</string>
+	<!-- Hint for renaming title of a top site -->
+	<string name="top_site_name_hint">Төп сайт исеме</string>
 	<!-- Button caption to confirm the renaming of the top site. -->
 	<string name="top_sites_rename_dialog_ok">ОК</string>
 	<!-- Dialog button text for canceling the rename top site prompt. -->
diff --git a/app/src/main/res/values-uk/strings.xml b/app/src/main/res/values-uk/strings.xml
index 04ff2b82d..92df1665d 100644
--- a/app/src/main/res/values-uk/strings.xml
+++ b/app/src/main/res/values-uk/strings.xml
@@ -1756,6 +1756,9 @@
 	<!-- Dialog button text for canceling the rename top site prompt. -->
 	<string name="top_sites_rename_dialog_cancel">Скасувати</string>
 
+    <!-- Default browser experiment -->
+    <string name="default_browser_experiment_card_text">Автоматично відкривати посилання з вебсайтів, електронних листів та повідомлень у Firefox.</string>
+
     <!-- Content description for close button in collection placeholder. -->
     <string name="remove_home_collection_placeholder_content_description">Вилучити</string>
 
diff --git a/app/src/main/res/values-zh-rCN/strings.xml b/app/src/main/res/values-zh-rCN/strings.xml
index 7ca87790a..25bf0663a 100644
--- a/app/src/main/res/values-zh-rCN/strings.xml
+++ b/app/src/main/res/values-zh-rCN/strings.xml
@@ -1781,6 +1781,9 @@
 	<!-- Dialog button text for canceling the rename top site prompt. -->
 	<string name="top_sites_rename_dialog_cancel">取消</string>
 
+    <!-- Default browser experiment -->
+    <string name="default_browser_experiment_card_text">将网站、电子邮件及聊天工具中的链接设为在 Firefox 中自动打开。</string>
+
     <!-- Content description for close button in collection placeholder. -->
     <string name="remove_home_collection_placeholder_content_description">移除</string>
 
diff --git a/app/src/main/res/values-zh-rTW/strings.xml b/app/src/main/res/values-zh-rTW/strings.xml
index 182be607b..e4387c94f 100644
--- a/app/src/main/res/values-zh-rTW/strings.xml
+++ b/app/src/main/res/values-zh-rTW/strings.xml
@@ -613,6 +613,8 @@
     <string name="tabs_header_private_title">隱私瀏覽階段</string>
     <!-- Title for the list of tabs in the current private session -->
     <string name="tabs_header_private_tabs_title">隱私分頁</string>
+    <!-- Title for the list of tabs in the synced tabs -->
+    <string name="tabs_header_synced_tabs_title">同步的分頁</string>
     <!-- Content description (not visible, for screen readers etc.): Add tab button. Adds a news tab when pressed -->
     <string name="add_tab">新增分頁</string>
     <!-- Content description (not visible, for screen readers etc.): Add tab button. Adds a news tab when pressed -->