diff --git a/app/src/main/res/values-fr/strings.xml b/app/src/main/res/values-fr/strings.xml
index a93134043..dfbbf89b3 100644
--- a/app/src/main/res/values-fr/strings.xml
+++ b/app/src/main/res/values-fr/strings.xml
@@ -1015,13 +1015,13 @@
     <!--  Accessibility text for the Standard protection information icon  -->
     <string name="preference_enhanced_tracking_protection_standard_info_button">Ce qui est bloqué par la protection standard contre le pistage</string>
     <!-- Preference for enhanced tracking protection for the strict protection settings -->
-    <string name="preference_enhanced_tracking_protection_strict">Strict</string>
+    <string name="preference_enhanced_tracking_protection_strict">Stricte</string>
     <!-- Preference for enhanced tracking protection for the strict protection settings, default setting -->
-    <string name="preference_enhanced_tracking_protection_strict_default">Strict (par défaut)</string>
+    <string name="preference_enhanced_tracking_protection_strict_default">Stricte (par défaut)</string>
     <!-- Preference description for enhanced tracking protection for the strict protection settings -->
     <string name="preference_enhanced_tracking_protection_strict_default_description">Une protection renforcée contre le pistage et de meilleures performances, mais certains sites peuvent ne pas fonctionner correctement.</string>
     <!-- Preference for enhanced tracking protection for the standard protection settings -->
-    <string name="preference_enhanced_tracking_protection_strict_recommended">Strict (recommandé)</string>
+    <string name="preference_enhanced_tracking_protection_strict_recommended">Stricte (recommandé)</string>
     <!-- Preference description for enhanced tracking protection for the strict protection settings -->
     <string name="preference_enhanced_tracking_protection_strict_description">Protection renforcée, mais certains sites ou contenus peuvent être endommagés.</string>
     <!--  Accessibility text for the Strict protection information icon  -->
@@ -1110,6 +1110,9 @@
     <!-- About page link text to open a screen with libraries that are used -->
     <string name="about_other_open_source_libraries">Bibliothèques utilisées</string>
 
+    <!-- Toast shown to the user when they are activating the secret dev menu
+        The first parameter is number of long clicks left to enable the menu -->
+    <string name="about_debug_menu_toast_progress">Menu de débogage : encore %1$d clic·s restant·s pour l’activation</string>
     <string name="about_debug_menu_toast_done">Menu de débogage activé</string>
 
     <!-- Content description of the tab counter toolbar button when one tab is open -->
diff --git a/app/src/main/res/values-sk/strings.xml b/app/src/main/res/values-sk/strings.xml
index 262b54558..857637d56 100644
--- a/app/src/main/res/values-sk/strings.xml
+++ b/app/src/main/res/values-sk/strings.xml
@@ -157,6 +157,9 @@
     <!-- Text preview for larger sized widgets -->
     <string name="search_widget_text_long">Hľadať na webe</string>
 
+    <!-- Content description (not visible, for screen readers etc.): Voice search -->
+    <string name="search_widget_voice">Hlasové vyhľadávanie</string>
+
     <!-- Preferences -->
     <!-- Title for the settings page-->
     <string name="settings">Nastavenia</string>
@@ -207,6 +210,12 @@
     <string name="preferences_add_private_browsing_shortcut">Pridať odkaz na súkromné prehliadanie</string>
     <!-- Preference for accessibility -->
     <string name="preferences_accessibility">Zjednodušenie ovládania</string>
+    <!-- Preference to override the Firefox Account server -->
+    <string name="preferences_override_fxa_server">Vlastný server pre účet Firefox</string>
+    <!-- Preference to override the Sync token server -->
+    <string name="preferences_override_sync_tokenserver">Vlastný server pre synchronizáciu</string>
+    <!-- Toast shown after updating the FxA/Sync server override preferences -->
+    <string name="toast_override_fxa_sync_server_done">Server pre účet Fierfox alebo synchronizáciu bol zmenený. Pre použitie zmien sa teraz aplikácia ukončí…</string>
     <!-- Preference category for account information -->
     <string name="preferences_category_account">Účet</string>
     <!-- Preference shown on banner to sign into account -->
@@ -467,6 +476,14 @@
     <string name="history_delete_all_dialog">Naozaj chcete vymazať svoju históriu?</string>
     <!-- Text for positive action to delete history in deleting history dialog -->
     <string name="history_clear_dialog">Vymazať</string>
+    <!-- History overflow menu copy button -->
+    <string name="history_menu_copy_button">Kopírovať</string>
+    <!-- History overflow menu share button -->
+    <string name="history_menu_share_button">Zdieľať</string>
+    <!-- History overflow menu open in new tab button -->
+    <string name="history_menu_open_in_new_tab_button">Otvoriť na novej karte</string>
+    <!-- History overflow menu open in private tab button -->
+    <string name="history_menu_open_in_private_tab_button">Otvoriť na súkromnej karte</string>
     <!-- Text for the button to delete a single history item -->
     <string name="history_delete_item">Odstrániť</string>
     <!-- History multi select title in app bar
@@ -913,6 +930,9 @@
     <!-- Text for the button to read the privacy notice -->
     <string name="onboarding_privacy_notice_read_button">Prečítajte si naše zásady ochrany súkromia</string>
 
+    <!-- Content description (not visible, for screen readers etc.): Close onboarding screen -->
+    <string name="onboarding_close">Zavrieť</string>
+
     <!-- text for the button to finish onboarding -->
     <string name="onboarding_finish">Začať prehliadať</string>
 
@@ -1051,6 +1071,9 @@
     <string name="etp_panel_off">Ochrana je na tejto stránke vypnutá</string>
     <!-- Header for exceptions list for which sites enhanced tracking protection is always off -->
     <string name="enhanced_tracking_protection_exceptions">Rozšírená ochrana pred sledovaním je na týchto stránkach vypnutá</string>
+    <!-- Content description (not visible, for screen readers etc.): Navigate
+    back from ETP details (Ex: Tracking content) -->
+    <string name="etp_back_button_content_description">Prejsť dozadu</string>
     <!-- About page Your rights link text -->
     <string name="about_your_rights">Vaše práva</string>
     <!-- About page link text to open open source licenses screen -->
@@ -1072,6 +1095,11 @@
     <!-- About page link text to open a screen with libraries that are used -->
     <string name="about_other_open_source_libraries">Knižnice, ktoré používame</string>
 
+    <!-- Toast shown to the user when they are activating the secret dev menu
+        The first parameter is number of long clicks left to enable the menu -->
+    <string name="about_debug_menu_toast_progress">Počet kliknutí pre povolenie ponuky pre ladenie: %1$d</string>
+    <string name="about_debug_menu_toast_done">Ponuka pre ladenie je povolená</string>
+
     <!-- Content description of the tab counter toolbar button when one tab is open -->
     <string name="tab_counter_content_description_one_tab">1 karta</string>
     <!-- Content description of the tab counter toolbar button when multiple tabs are open. First parameter will be replaced with the number of tabs (always more than one) -->
diff --git a/app/src/main/res/values-sl/strings.xml b/app/src/main/res/values-sl/strings.xml
index 62379b2e8..64ce38079 100644
--- a/app/src/main/res/values-sl/strings.xml
+++ b/app/src/main/res/values-sl/strings.xml
@@ -22,6 +22,9 @@
     <!-- Private Browsing -->
     <!-- Title for private session option -->
     <string name="private_browsing_title">Ste v zasebni seji</string>
+    <!-- Explanation for private browsing displayed to users on home view when they first enable private mode
+        The first parameter is the name of the app defined in app_name (for example: Fenix) -->
+    <string name="private_browsing_placeholder_description">%1$s izbriše zgodovino iskanja in brskanja, ko zaprete aplikacijo ali zaprete vse zavihke zasebnega brskanja. Čeprav to ne pomeni, da ste za spletna mesta ali ponudnike internetnih storitev anonimni, vam omogoča uporabo spleta v zasebnosti, skrito pred očmi ostalih uporabnikov te naprave.</string>
     <string name="private_browsing_common_myths">
        Pogoste zmote o zasebnem brskanju
     </string>
@@ -115,10 +118,15 @@
     <!-- Placeholder text shown in the search bar before a user enters text -->
     <string name="locale_search_hint">Išči jezik</string>
 
+    <!-- Search Fragment -->
+    <!-- Button in the search view that lets a user search by scanning a QR code -->
+    <string name="search_scan_button">Skeniraj</string>
     <!-- Button in the search view that lets a user search by using a shortcut -->
     <string name="search_shortcuts_button">Bližnjice</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">Nastavitve iskalnika</string>
+    <!-- DEPRECATED: Header displayed when selecting a shortcut search engine -->
+    <string name="search_shortcuts_search_with">Išči z</string>
     <!-- Header displayed when selecting a shortcut search engine -->
     <string name="search_shortcuts_search_with_2">Tokrat išči z iskalnikom:</string>
     <!-- Button in the search view that lets a user navigate to the site in their clipboard -->
@@ -127,6 +135,8 @@
     <string name="search_suggestions_onboarding_allow_button">Dovoli</string>
     <!-- Button in the search suggestions onboarding that does not allow search suggestions in private sessions -->
     <string name="search_suggestions_onboarding_do_not_allow_button">Ne dovoli</string>
+    <!-- Search suggestion onboarding hint title text -->
+    <string name="search_suggestions_onboarding_title">Dovolite predloge iskanja v zasebnih oknih?</string>
     <!-- Search suggestion onboarding hint Learn more link text -->
     <string name="search_suggestions_onboarding_learn_more_link">Več o tem</string>