diff --git a/app/src/main/res/values-be/strings.xml b/app/src/main/res/values-be/strings.xml
index 73d4e3b7f4..7a57ea6cf2 100644
--- a/app/src/main/res/values-be/strings.xml
+++ b/app/src/main/res/values-be/strings.xml
@@ -276,6 +276,8 @@
     <string name="preferences_override_fxa_server">Уласны сервер уліковых запісаў Firefox</string>
     <!-- Preference to override the Sync token server -->
     <string name="preferences_override_sync_tokenserver">Уласны сервер сінхранізацыі</string>
+    <!-- Toast shown after updating the FxA/Sync server override preferences -->
+    <string name="toast_override_fxa_sync_server_done">Сервер уліковага запісу Firefox/сінхранізацыі зменены. Выхад з праграмы, каб прымяніць змены…</string>
     <!-- Preference category for account information -->
     <string name="preferences_category_account">Уліковы запіс</string>
     <!-- Preference shown on banner to sign into account -->
@@ -489,9 +491,9 @@
     <string name="preference_gestures_website_pull_to_refresh">Пацягніце, каб абнавіць</string>
 
     <!-- Preference for using the dynamic toolbar -->
-    <string name="preference_gestures_dynamic_toolbar">Пракруціце, каб схаваць панэль інструментаў</string>
+    <string name="preference_gestures_dynamic_toolbar">Пракруціць, каб схаваць панэль інструментаў</string>
     <!-- Preference for switching tabs by swiping horizontally on the toolbar -->
-    <string name="preference_gestures_swipe_toolbar_switch_tabs">Пасуньце ўбок панэль інструментаў, каб пераключыць карткі</string>
+    <string name="preference_gestures_swipe_toolbar_switch_tabs">Пасунуць убок панэль інструментаў, каб пераключыць карткі</string>
 
     <!-- Preference for showing the opened tabs by swiping up on the toolbar-->
     <string name="preference_gestures_swipe_toolbar_show_tabs">Пасуньце ўверх панэль інструментаў, каб адкрыць карткі</string>
@@ -1275,6 +1277,8 @@
     <string name="etp_social_media_trackers_description">Абмяжоўвае мажлівасць сацыяльных сетак асочваць вашу дзейнасць у сеціве.</string>
     <!-- Category of trackers (cross-site tracking cookies) that can be blocked by Enhanced Tracking Protection -->
     <string name="etp_cookies_title">Міжсайтавыя кукі асочвання</string>
+    <!-- Description of cross-site tracking cookies that can be blocked by Enhanced Tracking Protection -->
+    <string name="etp_cookies_description">Блакуе файлы cookie, якія рэкламныя сеткі і аналітычныя кампаніі выкарыстоўваюць, каб аб’яднаць звесткі аглядання з многіх сайтаў.</string>
     <!-- Category of trackers (cryptominers) that can be blocked by Enhanced Tracking Protection -->
     <string name="etp_cryptominers_title">Майнеры крыптавалют</string>
     <!-- Description of cryptominers that can be blocked by Enhanced Tracking Protection -->
@@ -1467,7 +1471,7 @@
     <!-- Title for Accessibility Force Enable Zoom Preference -->
     <string name="preference_accessibility_force_enable_zoom">Маштабаванне на ўсіх сайтах</string>
     <!-- Summary for Accessibility Force Enable Zoom Preference -->
-    <string name="preference_accessibility_force_enable_zoom_summary">Актываваць, каб дазволіць маштабаванне нават на тых вэб-сайтах, якія гэта забараняюць.</string>
+    <string name="preference_accessibility_force_enable_zoom_summary">Уключыце, каб дазволіць маштабаванне нават на тых сайтах, якія гэта забараняюць.</string>
     <!-- Saved logins sorting strategy menu item -by name- (if selected, it will sort saved logins alphabetically) -->
     <string name="saved_logins_sort_strategy_alphabetically">Назва (А-Я)</string>
     <!-- Saved logins sorting strategy menu item -by last used- (if selected, it will sort saved logins by last used) -->
@@ -1630,7 +1634,7 @@
     <string name="top_sites_max_limit_confirmation_button">OK, зразумела</string>
 
     <!-- Label for the show most visited sites preference -->
-    <string name="top_sites_toggle_top_frecent_sites">Паказаць найбольш наведаныя сайты</string>
+    <string name="top_sites_toggle_top_frecent_sites">Паказваць найбольш наведаныя сайты</string>
 
     <!-- Content description for close button in collection placeholder. -->
     <string name="remove_home_collection_placeholder_content_description">Выдаліць</string>
@@ -1645,4 +1649,6 @@
     <string name="no_collections_description1">Групуйце падобныя пошукі, сайты і карткі для хуткага доступу.</string>
     <!-- Deprecated: text for the firefox account onboarding card header when we detect you're already signed in to -->
     <string name="onboarding_firefox_account_auto_signin_header_2">Вы ўвайшлі як %s у іншым браўзеры Firefox на гэтым тэлефоне. Ці хочаце аўтарызавацца з дапамогай гэтага ўліковага запісу?</string>
-    </resources>
+    <!-- Deprecated: Describes the add to homescreen functionality -->
+    <string name="add_to_homescreen_description">Вы можаце лёгка дадаць гэты вэб-сайт на хатні экран свайго тэлефона, каб мець да яго імгненны доступ і аглядаць хутчэй, нібыта гэта асобная праграма.</string>
+</resources>
diff --git a/app/src/main/res/values-ca/strings.xml b/app/src/main/res/values-ca/strings.xml
index 3920dac193..13b3be7859 100644
--- a/app/src/main/res/values-ca/strings.xml
+++ b/app/src/main/res/values-ca/strings.xml
@@ -144,6 +144,8 @@
     <string name="browser_menu_install_on_homescreen">Instal·la</string>
     <!-- Menu option on the toolbar that takes you to synced tabs page-->
     <string name="synced_tabs">Pestanyes sincronitzades</string>
+    <!-- Content description (not visible, for screen readers etc.) for the Resync tabs button -->
+    <string name="resync_button_content_description">Resincronitza</string>
     <!-- Browser menu button that opens the find in page menu -->
     <string name="browser_menu_find_in_page">Cerca a la pàgina</string>
     <!-- Browser menu button that creates a private tab -->
@@ -270,6 +272,8 @@
     <string name="preferences_open_links_in_a_private_tab">Obre els enllaços en una pestanya privada</string>
     <!-- Preference for allowing screenshots to be taken while in a private tab-->
     <string name="preferences_allow_screenshots_in_private_mode">Permet les captures de pantalla en la navegació privada</string>
+    <!-- Will inform the user of the risk of activating Allow screenshots in private browsing option -->
+    <string name="preferences_screenshots_in_private_mode_disclaimer">Si es permet, les pestanyes privades també seran visibles quan hi hagi diverses aplicacions obertes</string>
     <!-- Preference for adding private browsing shortcut -->
     <string name="preferences_add_private_browsing_shortcut">Afegeix una drecera de navegació privada</string>
     <!-- Preference for accessibility -->
@@ -290,6 +294,8 @@
     <string name="preferences_theme">Tema</string>
     <!-- Preference for customizing the home screen -->
     <string name="preferences_home">Inici</string>
+    <!-- Preference for gestures based actions -->
+    <string name="preferences_gestures">Gestos</string>
     <!-- Preference for settings related to visual options -->
     <string name="preferences_customize">Personalitza</string>
     <!-- Preference description for banner about signing in -->
@@ -324,9 +330,13 @@
     <string name="preferences_search_browsing_history">Cerca en l’historial de navegació</string>
     <!-- Preference title for switch preference to suggest bookmarks when searching -->
     <string name="preferences_search_bookmarks">Cerca en les adreces d’interès</string>
+    <!-- Preference title for switch preference to suggest synced tabs when searching -->
+    <string name="preferences_search_synced_tabs">Cerca en les pestanyes sincronitzades</string>
     <!-- Preference for account settings -->
     <string name="preferences_account_settings">Paràmetres del compte</string>
 
+    <!-- Preference for enabling url autocomplete-->
+    <string name="preferences_enable_autocomplete_urls">Emplenament automàtic dels URL</string>
     <!-- Preference for open links in third party apps -->
     <string name="preferences_open_links_in_apps">Obre els enllaços en les aplicacions</string>
     <!-- Preference for open download with an external download manager app -->
@@ -337,6 +347,20 @@
     <!-- Preference for notifications -->
     <string name="preferences_notifications">Notificacions</string>
 
+    <!-- Add-on Preferences -->
+    <!-- Preference to customize the configured AMO (addons.mozilla.org) collection -->
+    <string name="preferences_customize_amo_collection">Col·lecció de complements personalitzada</string>
+    <!-- Button caption to confirm the add-on collection configuration -->
+    <string name="customize_addon_collection_ok">D’acord</string>
+    <!-- Button caption to abort the add-on collection configuration -->
+    <string name="customize_addon_collection_cancel">Cancel·la</string>
+    <!-- Hint displayed on input field for custom collection name -->
+    <string name="customize_addon_collection_hint">Nom de la col·lecció</string>
+    <!-- Hint displayed on input field for custom collection user ID-->
+    <string name="customize_addon_collection_user_hint">Propietari de la col·lecció (identificador d’usuari)</string>
+    <!-- Toast shown after confirming the custom add-on collection configuration -->
+    <string name="toast_customize_addon_collection_done">S’ha modificat la col·lecció de complements. L’aplicació es tancarà per aplicar els canvis…</string>
+
     <!-- Account Preferences -->
     <!-- Preference for triggering sync -->
     <string name="preferences_sync_now">Sincronitza ara</string>
@@ -463,6 +487,17 @@
     <!-- Preference for using following device theme -->
     <string name="preference_follow_device_theme">Segons el tema del dispositiu</string>
 
+    <!-- Gestures Preferences-->
+    <!-- Preferences for using pull to refresh in a webpage -->
+    <string name="preference_gestures_website_pull_to_refresh">Estira per actualitzar</string>
+    <!-- Preference for using the dynamic toolbar -->
+    <string name="preference_gestures_dynamic_toolbar">Amaga la barra d’eines en desplaçar-me</string>
+
+    <!-- Preference for switching tabs by swiping horizontally on the toolbar -->
+    <string name="preference_gestures_swipe_toolbar_switch_tabs">Canvia de pestanya en fer lliscar la barra d’eines cap als costats</string>
+    <!-- Preference for showing the opened tabs by swiping up on the toolbar-->
+    <string name="preference_gestures_swipe_toolbar_show_tabs">Mostra les pestanyes obertes en fer lliscar la barra d’eines cap amunt</string>
+
     <!-- Library -->
     <!-- Option in Library to open Sessions page -->
     <string name="library_sessions">Sessions</string>
@@ -509,6 +544,14 @@
     <string name="recently_closed_empty_message">No hi ha cap pestanya tancada recentment</string>
 
     <!-- Tab Management -->
+    <!-- Title of preference for tabs management -->
+    <string name="preferences_tabs">Pestanyes</string>
+    <!-- Title of preference that allows a user to specify the tab view -->
+    <string name="preferences_tab_view">Vista de pestanyes</string>
+    <!-- Option for a list tab view -->
+    <string name="tab_view_list">Llista</string>
+    <!-- Option for a grid tab view -->
+    <string name="tab_view_grid">Graella</string>
     <!-- Title of preference that allows a user to auto close tabs after a specified amount of time -->
     <string name="preferences_close_tabs">Tanca les pestanyes</string>
     <!-- Option for auto closing tabs that will never auto close tabs, always allows user to manually close tabs -->
@@ -624,6 +667,10 @@
     <!-- Text for the button to clear selected history items. The first parameter
         is a digit showing the number of items you have selected -->
     <string name="history_delete_some">Suprimeix %1$d elements</string>
+    <!-- Text for the header that groups the history for today -->
+    <string name="history_today">Avui</string>
+    <!-- Text for the header that groups the history for yesterday -->
+    <string name="history_yesterday">Ahir</string>
     <!-- Text for the header that groups the history for last 24 hours -->
     <string name="history_24_hours">Darreres 24 hores</string>
     <!-- Text for the header that groups the history the past 7 days -->
@@ -762,6 +809,8 @@
     <string name="preference_phone_feature_location">Ubicació</string>
     <!-- Preference for altering the notification access for all websites -->
     <string name="preference_phone_feature_notification">Notificació</string>
+    <!-- Preference for altering the persistent storage access for all websites -->
+    <string name="preference_phone_feature_persistent_storage">Emmagatzematge persistent</string>
     <!-- Label that indicates that a permission must be asked always -->
     <string name="preference_option_phone_feature_ask_to_allow">Demana-m’ho</string>
 
@@ -1055,7 +1104,7 @@
     <!-- 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_2">Ja heu iniciat la sessió com a %s en un altre navegador Firefox d’aquest telèfon. Voleu iniciar la sessió amb aquest compte?</string>
+    <string name="onboarding_firefox_account_auto_signin_header_3">Ja heu iniciat la sessió com a %s en un altre navegador Firefox d’aquest dispositiu. Voleu iniciar la sessió amb aquest compte?</string>
     <!-- text for the button to confirm automatic sign-in -->
     <string name="onboarding_firefox_account_auto_signin_confirm">Sí, inicia la sessió</string>
     <!-- text for the automatic sign-in button while signing in is in process -->
@@ -1145,6 +1194,8 @@
     <string name="sign_in_with_camera">Inicieu la sessió amb la càmera</string>
     <!-- Text shown for settings option for sign with email -->
     <string name="sign_in_with_email">Usa el correu electrònic en lloc</string>
+    <!-- Text shown for settings option for create new account text.'Firefox' intentionally hardcoded here.-->
+    <string name="sign_in_create_account_text"><![CDATA[No teniu cap compte? <u>Creeu-ne un</u> per sincronitzar el Firefox entre dispositius.]]></string>
     <!-- Text shown in confirmation dialog to sign out of account -->
     <string name="sign_out_confirmation_message">El Firefox deixarà de sincronitzar-se amb el vostre compte, però les vostres dades de navegació d’aquest dispositiu no se suprimiran.</string>
 
@@ -1254,6 +1305,11 @@
     The first parameter is the app name -->
     <string name="open_source_licenses_title">%s | Biblioteques de codi obert</string>
 
+    <!-- Category of trackers (redirect trackers) that can be blocked by Enhanced Tracking Protection -->
+    <string name="etp_redirect_trackers_title">Elements de seguiment de redirecció</string>
+    <!-- Description of redirect tracker cookies that can be blocked by Enhanced Tracking Protection -->
+    <string name="etp_redirect_trackers_description">Esborra les galetes definides per redireccions a llocs web que se sap que fan seguiment.</string>
+
     <!-- About page link text to open support link -->
     <string name="about_support">Assistència</string>
     <!-- About page link text to list of past crashes (like about:crashes on desktop) -->
@@ -1299,7 +1355,7 @@
     <string name="add_to_homescreen_text_placeholder">Nom de la drecera</string>
 
     <!-- Describes the add to homescreen functionality -->
-    <string name="add_to_homescreen_description">Podeu afegir fàcilment aquest lloc web a la pantalla d’inici del telèfon per accedir-hi directament i navegar-hi com si fos una aplicació.</string>
+    <string name="add_to_homescreen_description_2">Podeu afegir fàcilment aquest lloc web a la pantalla d’inici del vostre dispositiu per accedir-hi directament i navegar-hi com si fos una aplicació.</string>
 
     <!-- Preference for managing the settings for logins and passwords in Fenix -->
     <string name="preferences_passwords_logins_and_passwords">Inicis de sessió i contrasenyes</string>
@@ -1370,8 +1426,12 @@
     <string name="logins_site_copied">S’ha copiat el lloc al porta-retalls</string>
     <!-- Content Description (for screenreaders etc) read for the button to copy a password in logins-->
     <string name="saved_logins_copy_password">Copia la contrasenya</string>
+    <!-- Content Description (for screenreaders etc) read for the button to clear a password while editing a login-->
+    <string name="saved_logins_clear_password">Esborra la contrasenya</string>
     <!-- Content Description (for screenreaders etc) read for the button to copy a username in logins -->
     <string name="saved_login_copy_username">Copia el nom d’usuari</string>
+    <!-- Content Description (for screenreaders etc) read for the button to clear a username while editing a login -->
+    <string name="saved_login_clear_username">Esborra el nom d’usuari</string>
     <!-- Content Description (for screenreaders etc) read for the button to copy a site in logins -->
     <string name="saved_login_copy_site">Copia el lloc</string>
     <!-- Content Description (for screenreaders etc) read for the button to open a site in logins -->
@@ -1528,7 +1588,7 @@
     <string name="saved_login_duplicate">Ja existeix un inici de sessió amb aquest nom d’usuari</string>
 
     <!-- Synced Tabs -->
-   <!-- Text displayed to ask user to connect another device as no devices found with account -->
+    <!-- Text displayed to ask user to connect another device as no devices found with account -->
     <string name="synced_tabs_connect_another_device">Connecteu un altre dispositiu.</string>
     <!-- Text displayed asking user to re-authenticate -->
     <string name="synced_tabs_reauth">Torneu a autenticar-vos.</string>
@@ -1549,7 +1609,7 @@
     <!-- Title text displayed in the dialog when top sites limit is reached. -->
     <string name="top_sites_max_limit_title">S’ha arribat al límit de llocs principals</string>
     <!-- Content description text displayed in the dialog when top sites limit is reached. -->
-    <string name="top_sites_max_limit_content">Per afegir un lloc principal nou, primer cal que n’elimineu algun altre. Manteniu premut el lloc i seleccioneu eliminar-lo.</string>
+    <string name="top_sites_max_limit_content_2">Per afegir un lloc principal nou, primer cal que n’elimineu algun altre. Manteniu premut el lloc i seleccioneu eliminar-lo.</string>
     <!-- Confirmation dialog button text when top sites limit is reached. -->
     <string name="top_sites_max_limit_confirmation_button">Entesos</string>
 
@@ -1559,7 +1619,7 @@
     <!-- Content description for close button in collection placeholder. -->
     <string name="remove_home_collection_placeholder_content_description">Elimina</string>
 
-    <!-- depcrecated: text for the firefox account onboarding card header
+    <!-- Deprecated: text for the firefox account onboarding card header
     The first parameter is the name of the app (e.g. Firefox Preview) -->
     <string name="onboarding_firefox_account_header">Traieu tot el profit al %s.</string>
 
@@ -1567,4 +1627,9 @@
     <string name="no_collections_header1">Recolliu tot allò que us insteressa</string>
     <!-- Deprecated: Label to describe what collections are to a new user without any collections -->
     <string name="no_collections_description1">Agrupeu les cerques, els llocs i les pestanyes similars per accedir-hi ràpidament en el futur.</string>
+    <!-- Deprecated: text for the firefox account onboarding card header when we detect you're already signed in to -->
+    <string name="onboarding_firefox_account_auto_signin_header_2">Ja heu iniciat la sessió com a %s en un altre navegador Firefox d’aquest telèfon. Voleu iniciar la sessió amb aquest compte?</string>
+    <!-- Deprecated: Describes the add to homescreen functionality -->
+    <string name="add_to_homescreen_description">Podeu afegir fàcilment aquest lloc web a la pantalla d’inici del telèfon per accedir-hi directament i navegar-hi com si fos una aplicació.</string>
+
     </resources>
diff --git a/app/src/main/res/values-cak/strings.xml b/app/src/main/res/values-cak/strings.xml
index 1faae1da74..d8ba745d25 100644
--- a/app/src/main/res/values-cak/strings.xml
+++ b/app/src/main/res/values-cak/strings.xml
@@ -553,6 +553,14 @@
     <string name="recently_closed_empty_message">Taq ruwi\' man nimakol ta ketz\'apïx wawe\'</string>
 
     <!-- Tab Management -->
+    <!-- Title of preference for tabs management -->
+    <string name="preferences_tabs">Taq ruwi\'</string>
+    <!-- Title of preference that allows a user to specify the tab view -->
+    <string name="preferences_tab_view">Kitz\'etik ruwi\'</string>
+    <!-- Option for a list tab view -->
+    <string name="tab_view_list">Cholajem</string>
+    <!-- Option for a grid tab view -->
+    <string name="tab_view_grid">Kajtz\'ikil</string>
     <!-- Title of preference that allows a user to auto close tabs after a specified amount of time -->
     <string name="preferences_close_tabs">Ketz\'apïx taq ruwi\'</string>
     <!-- Option for auto closing tabs that will never auto close tabs, always allows user to manually close tabs -->
@@ -816,6 +824,8 @@
     <string name="preference_phone_feature_location">K\'ojlemal</string>
     <!-- Preference for altering the notification access for all websites -->
     <string name="preference_phone_feature_notification">Rutzijol</string>
+    <!-- Preference for altering the persistent storage access for all websites -->
+    <string name="preference_phone_feature_persistent_storage">Jutaqil taq Yakoj</string>
     <!-- Label that indicates that a permission must be asked always -->
     <string name="preference_option_phone_feature_ask_to_allow">Tik\'utüx q\'ij</string>
     <!-- Label that indicates that a permission must be blocked -->
diff --git a/app/src/main/res/values-cs/strings.xml b/app/src/main/res/values-cs/strings.xml
index 080b9118b6..4e8b6e5949 100644
--- a/app/src/main/res/values-cs/strings.xml
+++ b/app/src/main/res/values-cs/strings.xml
@@ -536,7 +536,6 @@
     <!-- Recently closed tabs screen message when there are no recently closed tabs -->
     <string name="recently_closed_empty_message">Nemáte žádné nedávno zavřené panely</string>
 
-    <!-- Tab Management -->
     <!-- Title of preference that allows a user to auto close tabs after a specified amount of time -->
     <string name="preferences_close_tabs">Zavírat panely</string>
     <!-- Option for auto closing tabs that will never auto close tabs, always allows user to manually close tabs -->
@@ -1338,7 +1337,7 @@
     <string name="add_to_homescreen_text_placeholder">Název zkratky</string>
 
     <!-- Describes the add to homescreen functionality -->
-    <string name="add_to_homescreen_description_2">Tuto stránku si můžete snadno přidat na domovskou obrazovku svého zařázení. Budete k ní mít okamžitý přístup a prohlížení bude rychlejší se zážitkem jako v aplikaci.</string>
+    <string name="add_to_homescreen_description_2">Tuto stránku si můžete snadno přidat na domovskou obrazovku svého zařízení. Budete k ní mít okamžitý přístup a prohlížení bude rychlejší se zážitkem jako v aplikaci.</string>
 
     <!-- Preference for managing the settings for logins and passwords in Fenix -->
     <string name="preferences_passwords_logins_and_passwords">Přihlašovací údaje</string>
diff --git a/app/src/main/res/values-cy/strings.xml b/app/src/main/res/values-cy/strings.xml
index 893758d313..52fbd99085 100644
--- a/app/src/main/res/values-cy/strings.xml
+++ b/app/src/main/res/values-cy/strings.xml
@@ -541,6 +541,14 @@
     <string name="recently_closed_empty_message">Dim tabiau wedi’u cau yn ddiweddar yma </string>
 
     <!-- Tab Management -->
+    <!-- Title of preference for tabs management -->
+    <string name="preferences_tabs">Tabiau</string>
+    <!-- Title of preference that allows a user to specify the tab view -->
+    <string name="preferences_tab_view">Golwg tab</string>
+    <!-- Option for a list tab view -->
+    <string name="tab_view_list">Rhestr</string>
+    <!-- Option for a grid tab view -->
+    <string name="tab_view_grid">Grid</string>
     <!-- Title of preference that allows a user to auto close tabs after a specified amount of time -->
     <string name="preferences_close_tabs">Cau tabiau</string>
     <!-- Option for auto closing tabs that will never auto close tabs, always allows user to manually close tabs -->
@@ -799,6 +807,8 @@
     <string name="preference_phone_feature_location">Lleoliad</string>
     <!-- Preference for altering the notification access for all websites -->
     <string name="preference_phone_feature_notification">Hysbysiad</string>
+    <!-- Preference for altering the persistent storage access for all websites -->
+    <string name="preference_phone_feature_persistent_storage">Storfa Barhaol</string>
     <!-- Label that indicates that a permission must be asked always -->
     <string name="preference_option_phone_feature_ask_to_allow">Gofyn i ganiatáu</string>
     <!-- Label that indicates that a permission must be blocked -->
diff --git a/app/src/main/res/values-el/strings.xml b/app/src/main/res/values-el/strings.xml
index 1f3b382fe9..8605e93992 100644
--- a/app/src/main/res/values-el/strings.xml
+++ b/app/src/main/res/values-el/strings.xml
@@ -351,6 +351,9 @@
     <!-- Preference for notifications -->
     <string name="preferences_notifications">Ειδοποιήσεις</string>
 
+    <!-- Add-on Preferences -->
+    <!-- Preference to customize the configured AMO (addons.mozilla.org) collection -->
+    <string name="preferences_customize_amo_collection">Προσαρμοσμένη συλλογή προσθέτων</string>
     <!-- Button caption to confirm the add-on collection configuration -->
     <string name="customize_addon_collection_ok">OK</string>
     <!-- Button caption to abort the add-on collection configuration -->
@@ -358,6 +361,11 @@
     <!-- Hint displayed on input field for custom collection name -->
     <string name="customize_addon_collection_hint">Όνομα συλλογής</string>
 
+    <!-- Hint displayed on input field for custom collection user ID-->
+    <string name="customize_addon_collection_user_hint">Κάτοχος συλλογής (ID χρήστη)</string>
+    <!-- Toast shown after confirming the custom add-on collection configuration -->
+    <string name="toast_customize_addon_collection_done">Η συλλογή προσθέτων τροποποιήθηκε. Κλείσιμο εφαρμογής για εφαρμογή αλλαγών…</string>
+
     <!-- Account Preferences -->
     <!-- Preference for triggering sync -->
     <string name="preferences_sync_now">Συγχρονισμός τώρα</string>
@@ -810,6 +818,8 @@
     <string name="preference_phone_feature_location">Τοποθεσία</string>
     <!-- Preference for altering the notification access for all websites -->
     <string name="preference_phone_feature_notification">Ειδοποιήσεις</string>
+    <!-- Preference for altering the persistent storage access for all websites -->
+    <string name="preference_phone_feature_persistent_storage">Μόνιμη αποθήκευση</string>
     <!-- Label that indicates that a permission must be asked always -->
     <string name="preference_option_phone_feature_ask_to_allow">Ερώτηση για αποδοχή</string>
     <!-- Label that indicates that a permission must be blocked -->
diff --git a/app/src/main/res/values-es-rCL/strings.xml b/app/src/main/res/values-es-rCL/strings.xml
index 7dafcda13a..1405f1b7c8 100644
--- a/app/src/main/res/values-es-rCL/strings.xml
+++ b/app/src/main/res/values-es-rCL/strings.xml
@@ -540,6 +540,14 @@
     <string name="recently_closed_empty_message">No hay pestañas cerradas recientemente aquí</string>
 
     <!-- Tab Management -->
+    <!-- Title of preference for tabs management -->
+    <string name="preferences_tabs">Pestañas</string>
+    <!-- Title of preference that allows a user to specify the tab view -->
+    <string name="preferences_tab_view">Vista de pestaña</string>
+    <!-- Option for a list tab view -->
+    <string name="tab_view_list">Lista</string>
+    <!-- Option for a grid tab view -->
+    <string name="tab_view_grid">Cuadrícula</string>
     <!-- Title of preference that allows a user to auto close tabs after a specified amount of time -->
     <string name="preferences_close_tabs">Cerrar pestañas</string>
     <!-- Option for auto closing tabs that will never auto close tabs, always allows user to manually close tabs -->
@@ -797,6 +805,8 @@
     <string name="preference_phone_feature_location">Ubicación</string>
     <!-- Preference for altering the notification access for all websites -->
     <string name="preference_phone_feature_notification">Notificación</string>
+    <!-- Preference for altering the persistent storage access for all websites -->
+    <string name="preference_phone_feature_persistent_storage">Almacenamiento persistente</string>
     <!-- Label that indicates that a permission must be asked always -->
     <string name="preference_option_phone_feature_ask_to_allow">Pedir permiso</string>
     <!-- Label that indicates that a permission must be blocked -->
diff --git a/app/src/main/res/values-fr/strings.xml b/app/src/main/res/values-fr/strings.xml
index 2fa062c0aa..6579565a64 100644
--- a/app/src/main/res/values-fr/strings.xml
+++ b/app/src/main/res/values-fr/strings.xml
@@ -537,6 +537,12 @@
     <string name="recently_closed_empty_message">Aucun onglet récemment fermé ici</string>
 
     <!-- Tab Management -->
+    <!-- Title of preference for tabs management -->
+    <string name="preferences_tabs">Onglets</string>
+    <!-- Option for a list tab view -->
+    <string name="tab_view_list">Liste</string>
+    <!-- Option for a grid tab view -->
+    <string name="tab_view_grid">Grille</string>
     <!-- Title of preference that allows a user to auto close tabs after a specified amount of time -->
     <string name="preferences_close_tabs">Fermer les onglets</string>
     <!-- Option for auto closing tabs that will never auto close tabs, always allows user to manually close tabs -->
@@ -794,6 +800,8 @@
     <string name="preference_phone_feature_location">Localisation</string>
     <!-- Preference for altering the notification access for all websites -->
     <string name="preference_phone_feature_notification">Notifications</string>
+    <!-- Preference for altering the persistent storage access for all websites -->
+    <string name="preference_phone_feature_persistent_storage">Stockage persistant</string>
     <!-- Label that indicates that a permission must be asked always -->
     <string name="preference_option_phone_feature_ask_to_allow">Demander pour autoriser</string>
     <!-- Label that indicates that a permission must be blocked -->
diff --git a/app/src/main/res/values-it/strings.xml b/app/src/main/res/values-it/strings.xml
index 0dde1246c0..c25bdf3384 100644
--- a/app/src/main/res/values-it/strings.xml
+++ b/app/src/main/res/values-it/strings.xml
@@ -351,6 +351,21 @@
     <!-- Preference for notifications -->
     <string name="preferences_notifications">Notifiche</string>
 
+    <!-- Add-on Preferences -->
+    <!-- Preference to customize the configured AMO (addons.mozilla.org) collection -->
+    <string name="preferences_customize_amo_collection">Raccolta di componenti aggiuntivi personalizzata</string>
+    <!-- Button caption to confirm the add-on collection configuration -->
+    <string name="customize_addon_collection_ok">OK</string>
+    <!-- Button caption to abort the add-on collection configuration -->
+    <string name="customize_addon_collection_cancel">Annulla</string>
+    <!-- Hint displayed on input field for custom collection name -->
+    <string name="customize_addon_collection_hint">Nome della raccolta</string>
+    <!-- Hint displayed on input field for custom collection user ID-->
+    <string name="customize_addon_collection_user_hint">Proprietario della raccolta (ID utente)</string>
+
+    <!-- Toast shown after confirming the custom add-on collection configuration -->
+    <string name="toast_customize_addon_collection_done">Raccolta di componenti aggiuntivi modificata. L’app verrà chiusa per applicare le modifiche…</string>
+
     <!-- Account Preferences -->
     <!-- Preference for triggering sync -->
     <string name="preferences_sync_now">Sincronizza adesso</string>
@@ -540,6 +555,14 @@
     <string name="recently_closed_empty_message">Nessuna scheda chiusa di recente</string>
 
     <!-- Tab Management -->
+    <!-- Title of preference for tabs management -->
+    <string name="preferences_tabs">Schede</string>
+    <!-- Title of preference that allows a user to specify the tab view -->
+    <string name="preferences_tab_view">Visualizzazione schede</string>
+    <!-- Option for a list tab view -->
+    <string name="tab_view_list">Elenco</string>
+    <!-- Option for a grid tab view -->
+    <string name="tab_view_grid">Griglia</string>
     <!-- Title of preference that allows a user to auto close tabs after a specified amount of time -->
     <string name="preferences_close_tabs">Chiudi schede</string>
     <!-- Option for auto closing tabs that will never auto close tabs, always allows user to manually close tabs -->
@@ -656,6 +679,10 @@
     <!-- Text for the button to clear selected history items. The first parameter
         is a digit showing the number of items you have selected -->
     <string name="history_delete_some">Elimina %1$d elementi</string>
+    <!-- Text for the header that groups the history for today -->
+    <string name="history_today">Oggi</string>
+    <!-- Text for the header that groups the history for yesterday -->
+    <string name="history_yesterday">Ieri</string>
     <!-- Text for the header that groups the history for last 24 hours -->
     <string name="history_24_hours">Ultime 24 ore</string>
     <!-- Text for the header that groups the history the past 7 days -->
@@ -797,6 +824,8 @@
     <string name="preference_phone_feature_location">Posizione</string>
     <!-- Preference for altering the notification access for all websites -->
     <string name="preference_phone_feature_notification">Notifica</string>
+    <!-- Preference for altering the persistent storage access for all websites -->
+    <string name="preference_phone_feature_persistent_storage">Archiviazione permanente</string>
     <!-- Label that indicates that a permission must be asked always -->
     <string name="preference_option_phone_feature_ask_to_allow">Chiedi il consenso</string>
     <!-- Label that indicates that a permission must be blocked -->