diff --git a/app/src/main/res/values-es-rES/strings.xml b/app/src/main/res/values-es-rES/strings.xml
index 1b5521080..1a8f7ea2e 100644
--- a/app/src/main/res/values-es-rES/strings.xml
+++ b/app/src/main/res/values-es-rES/strings.xml
@@ -27,6 +27,30 @@
     <!-- Message announced to the user when tab tray is selected with 0 or 2+ tabs -->
     <string name="open_tab_tray_plural">%1$s pestañas abiertas. Toca para cambiar de pestaña.</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$d seleccionadas</string>
+    <!-- Label of button in create collection dialog for creating a new collection  -->
+    <string name="tab_tray_add_new_collection">Añadir nueva colección</string>
+    <!-- Label of editable text in create collection dialog for naming a new collection  -->
+    <string name="tab_tray_add_new_collection_name">Nombre</string>
+    <!-- Label of button in save to collection dialog for selecting a current collection  -->
+    <string name="tab_tray_select_collection">Seleccionar colección</string>
+    <!-- Content description for close button while in multiselect mode in tab tray -->
+    <string name="tab_tray_close_multiselect_content_description">Salir del modo de selección múltiple</string>
+    <!-- Content description for save to collection button while in multiselect mode in tab tray -->
+    <string name="tab_tray_collection_button_multiselect_content_description">Guardar pestañas seleccionadas en la colección</string>
+    <!-- Content description for checkmark while tab is selected while in multiselect mode in tab tray. The first parameter is the title of the tab selected -->
+    <string name="tab_tray_item_selected_multiselect_content_description">%1$s seleccionada</string>
+    <!-- Content description when tab is unselected while in multiselect mode in tab tray. The first parameter is the title of the tab unselected -->
+    <string name="tab_tray_item_unselected_multiselect_content_description">%1$s no seleccionada</string>
+    <!-- Content description announcement when exiting multiselect mode in tab tray -->
+    <string name="tab_tray_exit_multiselect_content_description">Has salido del modo de selección múltiple</string>
+    <!-- Content description announcement when entering multiselect mode in tab tray -->
+    <string name="tab_tray_enter_multiselect_content_description">Has entrado en el modo de selección múltiple, selecciona pestañas para guardar en una colección</string>
+
+    <!-- Content description on checkmark while tab is selected in multiselect mode in tab tray -->
+    <string name="tab_tray_multiselect_selected_content_description">Seleccionada</string>
+
     <!-- About content. The first parameter is the name of the application. (For example: Fenix) -->
     <string name="about_content">%1$s es producido por Mozilla.</string>
 
@@ -151,13 +175,11 @@
     <!-- Button in the search view that lets a user search by scanning a QR code -->
     <string name="search_scan_button">Escanear</string>
     <!-- Button in the search view that lets a user search by using a shortcut -->
-    <string name="search_shortcuts_button">Atajos</string>
+    <string name="search_engines_shortcut_button">Buscador</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">Ajustes del buscador</string>
-    <!-- DEPRECATED: Header displayed when selecting a shortcut search engine -->
-    <string name="search_shortcuts_search_with">Buscar con</string>
     <!-- Header displayed when selecting a shortcut search engine -->
-    <string name="search_shortcuts_search_with_2">Esta vez, buscar con:</string>
+    <string name="search_engines_search_with">Esta vez, buscar con:</string>
     <!-- Button in the search view that lets a user navigate to the site in their clipboard -->
     <string name="awesomebar_clipboard_title">Completar enlace desde el portapapeles</string>
 
@@ -267,8 +289,8 @@
     <string name="developer_tools_category">Herramientas de desarrollador</string>
     <!-- Preference for developers -->
     <string name="preferences_remote_debugging">Depuración remota vía USB</string>
-    <!-- Preference title for switch preference to show search shortcuts -->
-    <string name="preferences_show_search_shortcuts">Mostrar atajos de búsqueda</string>
+    <!-- Preference title for switch preference to show search engines -->
+    <string name="preferences_show_search_engines">Mostrar buscadores</string>
     <!-- Preference title for switch preference to show search suggestions -->
     <string name="preferences_show_search_suggestions">Mostrar sugerencias de búsqueda</string>
     <!-- Preference title for switch preference to show voice search button -->
@@ -522,6 +544,9 @@
     <!-- Postfix for private WebApp titles, placeholder is replaced with app name -->
     <string name="pwa_site_controls_title_private">%1$s (modo privado)</string>
 
+    <!-- Button in the current tab tray header in multiselect mode. Saved the selected tabs to a collection when pressed. -->
+    <string name="tab_tray_save_to_collection">Guardar</string>
+
     <!-- History -->
     <!-- Text for the button to clear all history -->
     <string name="history_delete_all">Eliminar historial</string>
@@ -733,7 +758,7 @@
     <string name="create_collection_name_collection">Dar nombre a la colección</string>
 
     <!-- Button to add new collection for the "select collection" step of the collection creator -->
-    <string name="create_collection_add_new_collection">Agregar nueva colección</string>
+    <string name="create_collection_add_new_collection">Añadir nueva colección</string>
 
     <!-- Button to select all tabs in the "select tabs" step of the collection creator -->
     <string name="create_collection_select_all">Seleccionar todo</string>
@@ -1494,4 +1519,13 @@
     <!-- Confirmation dialog button text when top sites limit is reached. -->
     <string name="top_sites_max_limit_confirmation_button">Vale, entendido</string>
 
-</resources>
+    <!-- DEPRECATED STRINGS -->
+    <!-- Button in the search view that lets a user search by using a shortcut -->
+    <string name="search_shortcuts_button">Atajos</string>
+    <!-- DEPRECATED: Header displayed when selecting a shortcut search engine -->
+    <string name="search_shortcuts_search_with">Buscar con</string>
+    <!-- Header displayed when selecting a shortcut search engine -->
+    <string name="search_shortcuts_search_with_2">Esta vez, buscar con:</string>
+    <!-- Preference title for switch preference to show search shortcuts -->
+    <string name="preferences_show_search_shortcuts">Mostrar atajos de búsqueda</string>
+    </resources>
diff --git a/app/src/main/res/values-gn/strings.xml b/app/src/main/res/values-gn/strings.xml
index d7c545640..750344e21 100644
--- a/app/src/main/res/values-gn/strings.xml
+++ b/app/src/main/res/values-gn/strings.xml
@@ -26,6 +26,29 @@
     <!-- Message announced to the user when tab tray is selected with 0 or 2+ tabs -->
     <string name="open_tab_tray_plural">%1$s tendayke ijurujáva. Eikutu emoambue hag̃ua tendayke.</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$d poravopyre</string>
+    <!-- Label of button in create collection dialog for creating a new collection  -->
+    <string name="tab_tray_add_new_collection">Embojuaju ñembyatyha pyahu</string>
+    <!-- Label of editable text in create collection dialog for naming a new collection  -->
+    <string name="tab_tray_add_new_collection_name">Téra</string>
+    <!-- Label of button in save to collection dialog for selecting a current collection  -->
+    <string name="tab_tray_select_collection">Eiporavo ñembyatyha</string>
+    <!-- Content description for close button while in multiselect mode in tab tray -->
+    <string name="tab_tray_close_multiselect_content_description">Esẽ poravoha hekoetáva ayvúgui</string>
+    <!-- Content description for save to collection button while in multiselect mode in tab tray -->
+    <string name="tab_tray_collection_button_multiselect_content_description">Eñongatu tendayke poravopyre mbyatyhápe</string>
+    <!-- Content description for checkmark while tab is selected while in multiselect mode in tab tray. The first parameter is the title of the tab selected -->
+    <string name="tab_tray_item_selected_multiselect_content_description">Ojeporavo %1$s</string>
+    <!-- Content description when tab is unselected while in multiselect mode in tab tray. The first parameter is the title of the tab unselected -->
+    <string name="tab_tray_item_unselected_multiselect_content_description">Oñembogue poravo %1$s</string>
+    <!-- Content description announcement when exiting multiselect mode in tab tray -->
+    <string name="tab_tray_exit_multiselect_content_description">Osẽ poravoha hekoetáva ayvúgui</string>
+    <!-- Content description announcement when entering multiselect mode in tab tray -->
+    <string name="tab_tray_enter_multiselect_content_description">Oike poravoha hekoetáva ayvúpe, eiporavo tendayte eñongatu hag̃ua mbyatyhápe</string>
+    <!-- Content description on checkmark while tab is selected in multiselect mode in tab tray -->
+    <string name="tab_tray_multiselect_selected_content_description">Poravopyre</string>
+
     <!-- About content. The first parameter is the name of the application. (For example: Fenix) -->
     <string name="about_content">%1$s ojapókuri Mozilla.</string>
 
@@ -516,6 +539,9 @@
     <!-- Postfix for private WebApp titles, placeholder is replaced with app name -->
     <string name="pwa_site_controls_title_private">%1$s (Ayvu Ñemigua)</string>
 
+    <!-- Button in the current tab tray header in multiselect mode. Saved the selected tabs to a collection when pressed. -->
+    <string name="tab_tray_save_to_collection">Ñongatu</string>
+
     <!-- History -->
     <!-- Text for the button to clear all history -->
     <string name="history_delete_all">Emboguete tembiasakue</string>
diff --git a/app/src/main/res/values-hi-rIN/strings.xml b/app/src/main/res/values-hi-rIN/strings.xml
index 2b4f8a3c6..a001a6270 100644
--- a/app/src/main/res/values-hi-rIN/strings.xml
+++ b/app/src/main/res/values-hi-rIN/strings.xml
@@ -25,6 +25,21 @@
     <!-- Message announced to the user when tab tray is selected with 0 or 2+ tabs -->
     <string name="open_tab_tray_plural">%1$s खुले टैब। टैब स्विच करने के लिए टैप करें।</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$d चयनित</string>
+    <!-- Label of button in create collection dialog for creating a new collection  -->
+    <string name="tab_tray_add_new_collection">नया संग्रह जोड़ें</string>
+    <!-- Label of editable text in create collection dialog for naming a new collection  -->
+    <string name="tab_tray_add_new_collection_name">नाम</string>
+    <!-- Label of button in save to collection dialog for selecting a current collection  -->
+    <string name="tab_tray_select_collection">संग्रह चुनें</string>
+    <!-- Content description for close button while in multiselect mode in tab tray -->
+    <string name="tab_tray_close_multiselect_content_description">मल्टीसेलेक्ट मोड से बाहर निकलें</string>
+    <!-- Content description for save to collection button while in multiselect mode in tab tray -->
+    <string name="tab_tray_collection_button_multiselect_content_description">चुने गए टैब को संग्रह में सहेजें</string>
+    <!-- Content description announcement when exiting multiselect mode in tab tray -->
+    <string name="tab_tray_exit_multiselect_content_description">मल्टीसेलेक्ट मोड से बाहर निकल चुके</string>
+
     <!-- About content. The first parameter is the name of the application. (For example: Fenix) -->
     <string name="about_content">%1$s को Mozilla द्वारा निर्मित किया गया है।</string>
 
@@ -151,13 +166,11 @@
     <!-- Button in the search view that lets a user search by scanning a QR code -->
     <string name="search_scan_button">स्कैन करें</string>
     <!-- Button in the search view that lets a user search by using a shortcut -->
-    <string name="search_shortcuts_button">शॉर्टकट</string>
+    <string name="search_engines_shortcut_button">खोज इंजन</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">खोज इंजन सेटिंग्स</string>
-    <!-- DEPRECATED: Header displayed when selecting a shortcut search engine -->
-    <string name="search_shortcuts_search_with">के साथ खोजें</string>
     <!-- Header displayed when selecting a shortcut search engine -->
-    <string name="search_shortcuts_search_with_2">इस बार, इसके साथ खोजें:</string>
+    <string name="search_engines_search_with">इस बार, इसके साथ खोजें:</string>
     <!-- Button in the search view that lets a user navigate to the site in their clipboard -->
     <string name="awesomebar_clipboard_title">क्लिपबोर्ड से लिंक भरें</string>
     <!-- Button in the search suggestions onboarding that allows search suggestions in private sessions -->
@@ -266,8 +279,8 @@
     <string name="developer_tools_category">डेवलेपर टूल</string>
     <!-- Preference for developers -->
     <string name="preferences_remote_debugging">USB द्वारा रिमोट डीबगिंग</string>
-    <!-- Preference title for switch preference to show search shortcuts -->
-    <string name="preferences_show_search_shortcuts">खोज शॉर्टकट्स दिखाएं</string>
+    <!-- Preference title for switch preference to show search engines -->
+    <string name="preferences_show_search_engines">खोज इंजन दिखाएं</string>
     <!-- Preference title for switch preference to show search suggestions -->
     <string name="preferences_show_search_suggestions">खोज सुझाव दिखाएं</string>
     <!-- Preference title for switch preference to show voice search button -->
@@ -516,6 +529,9 @@
     <!-- Postfix for private WebApp titles, placeholder is replaced with app name -->
     <string name="pwa_site_controls_title_private">%1$s (निजी मोड)</string>
 
+    <!-- Button in the current tab tray header in multiselect mode. Saved the selected tabs to a collection when pressed. -->
+    <string name="tab_tray_save_to_collection">सहेजें</string>
+
     <!-- History -->
     <!-- Text for the button to clear all history -->
     <string name="history_delete_all">इतिहास मिटाएं</string>
@@ -637,7 +653,7 @@
      The first parameter is the host part of the URL of the bookmark deleted, if any -->
     <string name="bookmark_deletion_snackbar_message">%1$s मिटाया गया</string>
 
-    <!-- Bookmark snackbar message on deleting multiple bookmarks -->
+    <!-- Bookmark snackbar message on deleting multiple bookmarks not including folders-->
     <string name="bookmark_deletion_multiple_snackbar_message_2">बुकमार्क मिटा दिए गए</string>
     <!-- Bookmark undo button for deletion snackbar action -->
     <string name="bookmark_undo_deletion">पूर्ववत करें</string>
@@ -733,6 +749,8 @@
     <string name="create_collection_save_to_collection_tab_selected">%d टैब चुना गया</string>
     <!-- Text shown in snackbar when multiple tabs have been saved in a collection -->
     <string name="create_collection_tabs_saved">टैब सहेजे गए!</string>
+    <!-- Text shown in snackbar when one or multiple tabs have been saved in a new collection -->
+    <string name="create_collection_tabs_saved_new_collection">संग्रह सहेजा गया!</string>
     <!-- Text shown in snackbar when one tab has been saved in a collection -->
     <string name="create_collection_tab_saved">टैब सहेजे गए!</string>
     <!-- Content description (not visible, for screen readers etc.): button to close the collection creator -->
@@ -840,6 +858,8 @@
     <string name="qr_scanner_dialog_negative">मना करें</string>
     <!-- Tab collection deletion prompt dialog message. Placeholder will be replaced with the collection name -->
     <string name="tab_collection_dialog_message">क्या आप वाकई %1$s को हटाना चाहते हैं?</string>
+    <!-- Collection and tab deletion prompt dialog message. This will show when the last tab from a collection is deleted -->
+    <string name="delete_tab_and_collection_dialog_message">इस टैब को हटाने से संपूर्ण संग्रह मिट जाएगा। आप किसी भी समय नए संग्रह बना सकते हैं।</string>
     <!-- Tab collection deletion prompt dialog option to delete the collection -->
     <string name="tab_collection_dialog_positive">मिटाएं</string>
     <!-- Tab collection deletion prompt dialog option to cancel deleting the collection -->
@@ -1288,6 +1308,8 @@
     <string name="saved_login_copy_username">उपयोगकर्ता नाम कॉपी करे</string>
     <!-- Content Description (for screenreaders etc) read for the button to copy a site in logins -->
     <string name="saved_login_copy_site">साइट कॉपी करे</string>
+    <!-- Content Description (for screenreaders etc) read for the button to open a site in logins -->
+    <string name="saved_login_open_site">ब्राउज़र में साइट खोलें</string>
     <!-- Content Description (for screenreaders etc) read for the button to reveal a password in logins -->
     <string name="saved_login_reveal_password">पासवर्ड दिखाएं</string>
     <!-- Content Description (for screenreaders etc) read for the button to hide a password in logins -->
@@ -1473,4 +1495,13 @@
     <!-- Confirmation dialog button text when top sites limit is reached. -->
     <string name="top_sites_max_limit_confirmation_button">ठीक है, समझ गए</string>
 
-</resources>
+    <!-- DEPRECATED STRINGS -->
+    <!-- Button in the search view that lets a user search by using a shortcut -->
+    <string name="search_shortcuts_button">शॉर्टकट</string>
+    <!-- DEPRECATED: Header displayed when selecting a shortcut search engine -->
+    <string name="search_shortcuts_search_with">के साथ खोजें</string>
+    <!-- Header displayed when selecting a shortcut search engine -->
+    <string name="search_shortcuts_search_with_2">इस बार, इसके साथ खोजें:</string>
+    <!-- Preference title for switch preference to show search shortcuts -->
+    <string name="preferences_show_search_shortcuts">खोज शॉर्टकट्स दिखाएं</string>
+    </resources>
diff --git a/app/src/main/res/values-hu/strings.xml b/app/src/main/res/values-hu/strings.xml
index baff20113..7acc05aa3 100644
--- a/app/src/main/res/values-hu/strings.xml
+++ b/app/src/main/res/values-hu/strings.xml
@@ -25,6 +25,29 @@
     <!-- Message announced to the user when tab tray is selected with 0 or 2+ tabs -->
     <string name="open_tab_tray_plural">%1$s nyitott lap. Koppintson a lapváltáshoz.</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$d kiválasztva</string>
+    <!-- Label of button in create collection dialog for creating a new collection  -->
+    <string name="tab_tray_add_new_collection">Új gyűjtemény hozzáadása</string>
+    <!-- Label of editable text in create collection dialog for naming a new collection  -->
+    <string name="tab_tray_add_new_collection_name">Név</string>
+    <!-- Label of button in save to collection dialog for selecting a current collection  -->
+    <string name="tab_tray_select_collection">Gyűjtemény kiválasztása</string>
+    <!-- Content description for close button while in multiselect mode in tab tray -->
+    <string name="tab_tray_close_multiselect_content_description">Kilépés a többszörös kiválasztási módból</string>
+    <!-- Content description for save to collection button while in multiselect mode in tab tray -->
+    <string name="tab_tray_collection_button_multiselect_content_description">Kiválasztott lapok gyűjteménybe mentése</string>
+    <!-- Content description for checkmark while tab is selected while in multiselect mode in tab tray. The first parameter is the title of the tab selected -->
+    <string name="tab_tray_item_selected_multiselect_content_description">%1$s kiválasztva</string>
+    <!-- Content description when tab is unselected while in multiselect mode in tab tray. The first parameter is the title of the tab unselected -->
+    <string name="tab_tray_item_unselected_multiselect_content_description">%1$s kiválasztása visszavonva</string>
+    <!-- Content description announcement when exiting multiselect mode in tab tray -->
+    <string name="tab_tray_exit_multiselect_content_description">Kilépett a többszörös kiválasztási módból</string>
+    <!-- Content description announcement when entering multiselect mode in tab tray -->
+    <string name="tab_tray_enter_multiselect_content_description">Belépett a többszörös kiválasztási módba, válassza ki a lapokat egy gyűjteménybe történő mentéshez</string>
+    <!-- Content description on checkmark while tab is selected in multiselect mode in tab tray -->
+    <string name="tab_tray_multiselect_selected_content_description">Kiválasztva</string>
+
     <!-- About content. The first parameter is the name of the application. (For example: Fenix) -->
     <string name="about_content">A %1$s a Mozilla terméke.</string>
 
@@ -514,6 +537,9 @@
     <!-- Postfix for private WebApp titles, placeholder is replaced with app name -->
     <string name="pwa_site_controls_title_private">%1$s (privát mód)</string>
 
+    <!-- Button in the current tab tray header in multiselect mode. Saved the selected tabs to a collection when pressed. -->
+    <string name="tab_tray_save_to_collection">Mentés</string>
+
     <!-- History -->
     <!-- Text for the button to clear all history -->
     <string name="history_delete_all">Előzmények törlése</string>
diff --git a/app/src/main/res/values-hy-rAM/strings.xml b/app/src/main/res/values-hy-rAM/strings.xml
index 65af986e7..7da14f6b2 100644
--- a/app/src/main/res/values-hy-rAM/strings.xml
+++ b/app/src/main/res/values-hy-rAM/strings.xml
@@ -25,6 +25,29 @@
     <!-- Message announced to the user when tab tray is selected with 0 or 2+ tabs -->
     <string name="open_tab_tray_plural">%1$s բաց ներդիրներ: Հպեք՝ փոխարկելու համար:</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">Ընտրված է %1$d</string>
+    <!-- Label of button in create collection dialog for creating a new collection  -->
+    <string name="tab_tray_add_new_collection">Ավելացնել նոր հավաքածու</string>
+    <!-- Label of editable text in create collection dialog for naming a new collection  -->
+    <string name="tab_tray_add_new_collection_name">Անուն</string>
+    <!-- Label of button in save to collection dialog for selecting a current collection  -->
+    <string name="tab_tray_select_collection">Ընտրել հավաքածուն</string>
+    <!-- Content description for close button while in multiselect mode in tab tray -->
+    <string name="tab_tray_close_multiselect_content_description">Փակել բազմակի ընտրման կերպը</string>
+    <!-- Content description for save to collection button while in multiselect mode in tab tray -->
+    <string name="tab_tray_collection_button_multiselect_content_description">Պահպանել ընտրված ներդիրները հավաքածուում</string>
+    <!-- Content description for checkmark while tab is selected while in multiselect mode in tab tray. The first parameter is the title of the tab selected -->
+    <string name="tab_tray_item_selected_multiselect_content_description">Ընտրված է %1$s-ը</string>
+    <!-- Content description when tab is unselected while in multiselect mode in tab tray. The first parameter is the title of the tab unselected -->
+    <string name="tab_tray_item_unselected_multiselect_content_description">Չընտրված %1$s</string>
+    <!-- Content description announcement when exiting multiselect mode in tab tray -->
+    <string name="tab_tray_exit_multiselect_content_description">Փակում է բազմակի ընտրման կերպը</string>
+    <!-- Content description announcement when entering multiselect mode in tab tray -->
+    <string name="tab_tray_enter_multiselect_content_description">Մուտք բազմակի ընտրման կերպ: Ընտրեք ներդիրներ՝ հավաքածուում պահպանելու համար</string>
+    <!-- Content description on checkmark while tab is selected in multiselect mode in tab tray -->
+    <string name="tab_tray_multiselect_selected_content_description">Ընտրված</string>
+
     <!-- About content. The first parameter is the name of the application. (For example: Fenix) -->
     <string name="about_content">%1$s-ն արտադրվում է Mozilla-ի կողմից:</string>
 
@@ -508,6 +531,9 @@
     <!-- Postfix for private WebApp titles, placeholder is replaced with app name -->
     <string name="pwa_site_controls_title_private">%1$s (Գաղտնի կերպ)</string>
 
+    <!-- Button in the current tab tray header in multiselect mode. Saved the selected tabs to a collection when pressed. -->
+    <string name="tab_tray_save_to_collection">Պահպանել</string>
+
     <!-- History -->
     <!-- Text for the button to clear all history -->
     <string name="history_delete_all">Ջնջել պատմությունը</string>
diff --git a/app/src/main/res/values-it/strings.xml b/app/src/main/res/values-it/strings.xml
index de28339d1..d7ef5b200 100644
--- a/app/src/main/res/values-it/strings.xml
+++ b/app/src/main/res/values-it/strings.xml
@@ -27,6 +27,29 @@
     <!-- Message announced to the user when tab tray is selected with 0 or 2+ tabs -->
     <string name="open_tab_tray_plural">Aperte %1$s schede. Tocca per cambiare scheda.</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$d selezionate</string>
+    <!-- Label of button in create collection dialog for creating a new collection  -->
+    <string name="tab_tray_add_new_collection">Aggiungi nuova raccolta</string>
+    <!-- Label of editable text in create collection dialog for naming a new collection  -->
+    <string name="tab_tray_add_new_collection_name">Nome</string>
+    <!-- Label of button in save to collection dialog for selecting a current collection  -->
+    <string name="tab_tray_select_collection">Seleziona raccolta</string>
+    <!-- Content description for close button while in multiselect mode in tab tray -->
+    <string name="tab_tray_close_multiselect_content_description">Esci dalla modalità di selezione multipla</string>
+    <!-- Content description for save to collection button while in multiselect mode in tab tray -->
+    <string name="tab_tray_collection_button_multiselect_content_description">Salva le schede selezionate in una raccolta</string>
+    <!-- Content description for checkmark while tab is selected while in multiselect mode in tab tray. The first parameter is the title of the tab selected -->
+    <string name="tab_tray_item_selected_multiselect_content_description">%1$s selezionata</string>
+    <!-- Content description when tab is unselected while in multiselect mode in tab tray. The first parameter is the title of the tab unselected -->
+    <string name="tab_tray_item_unselected_multiselect_content_description">%1$s deselezionata</string>
+    <!-- Content description announcement when exiting multiselect mode in tab tray -->
+    <string name="tab_tray_exit_multiselect_content_description">Abbandonata modalità di selezione multipla</string>
+    <!-- Content description announcement when entering multiselect mode in tab tray -->
+    <string name="tab_tray_enter_multiselect_content_description">Aperta modalità di selezione multipla, selezionare le schede per salvarle in una raccolta</string>
+    <!-- Content description on checkmark while tab is selected in multiselect mode in tab tray -->
+    <string name="tab_tray_multiselect_selected_content_description">Selezionata</string>
+
     <!-- About content. The first parameter is the name of the application. (For example: Fenix) -->
     <string name="about_content">%1$s è sviluppato da Mozilla.</string>
 
@@ -522,6 +545,9 @@
     <!-- Postfix for private WebApp titles, placeholder is replaced with app name -->
     <string name="pwa_site_controls_title_private">%1$s (modalità Navigazione anonima)</string>
 
+    <!-- Button in the current tab tray header in multiselect mode. Saved the selected tabs to a collection when pressed. -->
+    <string name="tab_tray_save_to_collection">Salva</string>
+
     <!-- History -->
     <!-- Text for the button to clear all history -->
     <string name="history_delete_all">Cancella cronologia</string>
diff --git a/app/src/main/res/values-kab/strings.xml b/app/src/main/res/values-kab/strings.xml
index e06544d66..b082b3a74 100644
--- a/app/src/main/res/values-kab/strings.xml
+++ b/app/src/main/res/values-kab/strings.xml
@@ -25,6 +25,17 @@
     <!-- Message announced to the user when tab tray is selected with 0 or 2+ tabs -->
     <string name="open_tab_tray_plural">%1$s waccaren yeldin. Sit akken ad tettbeddileḍ gar waccaren.</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$d yettwafren</string>
+
+    <!-- Label of button in create collection dialog for creating a new collection  -->
+    <string name="tab_tray_add_new_collection">Rnu tagrumma tamaynut</string>
+    <!-- Label of editable text in create collection dialog for naming a new collection  -->
+    <string name="tab_tray_add_new_collection_name">Isem</string>
+
+    <!-- Label of button in save to collection dialog for selecting a current collection  -->
+    <string name="tab_tray_select_collection">Fren tagrumma</string>
+
     <!-- About content. The first parameter is the name of the application. (For example: Fenix) -->
     <string name="about_content">%1$s d afares n Mozilla.</string>
 
@@ -512,6 +523,9 @@ Tiktiwin tigejdanin yuzzlen ur nṣeḥḥi ara
     <!-- Postfix for private WebApp titles, placeholder is replaced with app name -->
     <string name="pwa_site_controls_title_private">%1$s (askar uslig)</string>
 
+    <!-- Button in the current tab tray header in multiselect mode. Saved the selected tabs to a collection when pressed. -->
+    <string name="tab_tray_save_to_collection">Sekles</string>
+
     <!-- History -->
     <!-- Text for the button to clear all history -->
     <string name="history_delete_all">Kkes amazray</string>
diff --git a/app/src/main/res/values-kk/strings.xml b/app/src/main/res/values-kk/strings.xml
index 9270eb873..40ed11982 100644
--- a/app/src/main/res/values-kk/strings.xml
+++ b/app/src/main/res/values-kk/strings.xml
@@ -24,6 +24,29 @@
     <!-- Message announced to the user when tab tray is selected with 0 or 2+ tabs -->
     <string name="open_tab_tray_plural">%1$s ашық бет. Беттерді ауыстыру үшін шертіңіз.</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$d таңдалды</string>
+    <!-- Label of button in create collection dialog for creating a new collection  -->
+    <string name="tab_tray_add_new_collection">Жаңа жинақты қосу</string>
+    <!-- Label of editable text in create collection dialog for naming a new collection  -->
+    <string name="tab_tray_add_new_collection_name">Аты</string>
+    <!-- Label of button in save to collection dialog for selecting a current collection  -->
+    <string name="tab_tray_select_collection">Жинақты таңдау</string>
+    <!-- Content description for close button while in multiselect mode in tab tray -->
+    <string name="tab_tray_close_multiselect_content_description">Көп таңдау режимінен шығу</string>
+    <!-- Content description for save to collection button while in multiselect mode in tab tray -->
+    <string name="tab_tray_collection_button_multiselect_content_description">Таңдалған беттерді жинаққа сақтау</string>
+    <!-- Content description for checkmark while tab is selected while in multiselect mode in tab tray. The first parameter is the title of the tab selected -->
+    <string name="tab_tray_item_selected_multiselect_content_description">Таңдалды %1$s</string>
+    <!-- Content description when tab is unselected while in multiselect mode in tab tray. The first parameter is the title of the tab unselected -->
+    <string name="tab_tray_item_unselected_multiselect_content_description">Таңдау алынды %1$s</string>
+    <!-- Content description announcement when exiting multiselect mode in tab tray -->
+    <string name="tab_tray_exit_multiselect_content_description">Көп таңдау режимінен шығу</string>
+    <!-- Content description announcement when entering multiselect mode in tab tray -->
+    <string name="tab_tray_enter_multiselect_content_description">Көп таңдау режиміне кірдік, жинаққа сақтау үшін беттерді таңдаңыз</string>
+    <!-- Content description on checkmark while tab is selected in multiselect mode in tab tray -->
+    <string name="tab_tray_multiselect_selected_content_description">Таңдалған</string>
+
     <!-- About content. The first parameter is the name of the application. (For example: Fenix) -->
     <string name="about_content">%1$s жасаған Mozilla.</string>
 
@@ -502,6 +525,9 @@
     <!-- Postfix for private WebApp titles, placeholder is replaced with app name -->
     <string name="pwa_site_controls_title_private">%1$s (жекелік режимі)</string>
 
+    <!-- Button in the current tab tray header in multiselect mode. Saved the selected tabs to a collection when pressed. -->
+    <string name="tab_tray_save_to_collection">Сақтау</string>
+
     <!-- History -->
     <!-- Text for the button to clear all history -->
     <string name="history_delete_all">Тарихты өшіру</string>
diff --git a/app/src/main/res/values-nb-rNO/strings.xml b/app/src/main/res/values-nb-rNO/strings.xml
index bab02a0e1..44a8ba2ee 100644
--- a/app/src/main/res/values-nb-rNO/strings.xml
+++ b/app/src/main/res/values-nb-rNO/strings.xml
@@ -33,10 +33,18 @@
 
     <!-- Label of button in save to collection dialog for selecting a current collection  -->
     <string name="tab_tray_select_collection">Velg samling</string>
+    <!-- Content description for close button while in multiselect mode in tab tray -->
+    <string name="tab_tray_close_multiselect_content_description">Avslutt flervalgsmodus</string>
     <!-- Content description for save to collection button while in multiselect mode in tab tray -->
     <string name="tab_tray_collection_button_multiselect_content_description">Lagre valgte faner i samlingen</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">Valgte %1$s</string>
+    <!-- Content description when tab is unselected while in multiselect mode in tab tray. The first parameter is the title of the tab unselected -->
+    <string name="tab_tray_item_unselected_multiselect_content_description">Avmerket %1$s</string>
+    <!-- Content description announcement when exiting multiselect mode in tab tray -->
+    <string name="tab_tray_exit_multiselect_content_description">Avsluttet flervalgsmodus</string>
+    <!-- Content description announcement when entering multiselect mode in tab tray -->
+    <string name="tab_tray_enter_multiselect_content_description">Åpnet flervalgsmodus, velg faner for å lagre i en samling</string>
     <!-- Content description on checkmark while tab is selected in multiselect mode in tab tray -->
     <string name="tab_tray_multiselect_selected_content_description">Valgt</string>
 
diff --git a/app/src/main/res/values-oc/strings.xml b/app/src/main/res/values-oc/strings.xml
index e67e6691b..4bca5eab7 100644
--- a/app/src/main/res/values-oc/strings.xml
+++ b/app/src/main/res/values-oc/strings.xml
@@ -25,6 +25,19 @@
     <!-- Message announced to the user when tab tray is selected with 0 or 2+ tabs -->
     <string name="open_tab_tray_plural">%1$s onglets dobèrts. Tocatz per cambiar d’onglet.</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$d seleccionats</string>
+    <!-- Label of button in create collection dialog for creating a new collection  -->
+    <string name="tab_tray_add_new_collection">Ajustar una colleccion nòva</string>
+    <!-- Label of editable text in create collection dialog for naming a new collection  -->
+    <string name="tab_tray_add_new_collection_name">Nom</string>
+    <!-- Label of button in save to collection dialog for selecting a current collection  -->
+    <string name="tab_tray_select_collection">Seleccionar una colleccion</string>
+    <!-- Content description for save to collection button while in multiselect mode in tab tray -->
+    <string name="tab_tray_collection_button_multiselect_content_description">Enregistrar los onglets seleccionats dins la colleccion</string>
+    <!-- Content description on checkmark while tab is selected in multiselect mode in tab tray -->
+    <string name="tab_tray_multiselect_selected_content_description">Seleccionat</string>
+
     <!-- About content. The first parameter is the name of the application. (For example: Fenix) -->
     <string name="about_content">%1$s es produch per Mozilla.</string>
 
@@ -230,6 +243,8 @@
     <string name="preferences_override_fxa_server">Servidor de compte Firefox personalizat</string>
     <!-- Preference to override the Sync token server -->
     <string name="preferences_override_sync_tokenserver">Servidor Sync personalizat</string>
+    <!-- Toast shown after updating the FxA/Sync server override preferences -->
+    <string name="toast_override_fxa_sync_server_done">Servidor de compte o de sincronozacion modificat. L’aplicacion se tanca per aplicar las modificacions…</string>
     <!-- Preference category for account information -->
     <string name="preferences_category_account">Compte</string>
     <!-- Preference shown on banner to sign into account -->
@@ -305,6 +320,8 @@
 
     <!-- Label summary indicating that sync failed. The first parameter is the date stamp showing last time it succeeded -->
     <string name="sync_failed_summary">La sincronizacion a fracassat. Darrièra sincronizacion corrècta : %s</string>
+    <!-- Label summary showing never synced -->
+    <string name="sync_failed_never_synced_summary">La sincronizacion a fracassat. Darrièra sincronizacion : pas jamai</string>
     <!-- Label summary the date we last synced. The first parameter is date stamp showing last time synced -->
     <string name="sync_last_synced_summary">Darrièra sincronizacion : %s</string>
     <!-- Label summary showing never synced -->
@@ -318,6 +335,8 @@
     <!-- Send Tab -->
     <!-- Name of the "receive tabs" notification channel. Displayed in the "App notifications" system settings for the app -->
     <string name="fxa_received_tab_channel_name">Onglets recebuts</string>
+    <!-- Description of the "receive tabs" notification channel. Displayed in the "App notifications" system settings for the app -->
+    <string name="fxa_received_tab_channel_description">Notificacions d’onglets recebuts d’un Firefox sus un autre periferic.</string>
     <!--  The body for these is the URL of the tab received  -->
     <string name="fxa_tab_received_notification_name">Onglet recebut</string>
     <!-- When multiple tabs have been received -->
@@ -343,6 +362,9 @@
     <!-- Text displayed when there are no exceptions, with learn more link that brings users to a tracking protection SUMO page -->
     <string name="exceptions_empty_message_learn_more_link">Ne saber mai</string>
 
+    <!-- Description in Quick Settings that tells user tracking protection is off globally for all sites, and links to Settings to turn it on -->
+    <string name="preferences_tracking_protection_turned_off_globally">Desactivada globalament, anatz als Paramètres per l’activar.</string>
+
     <!-- Preference switch for Telemetry -->
     <string name="preferences_telemetry">Telemetria</string>
     <!-- Preference switch for usage and technical data collection -->
@@ -364,6 +386,8 @@
     <!-- Turn On Sync Preferences -->
     <!-- Header of the Turn on Sync preference view -->
     <string name="preferences_sync">Activar la sincronizacion</string>
+    <!-- Preference for pairing -->
+    <string name="preferences_sync_pair">Numerizar lo còdi d’associacion del Firefox de burèu estant</string>
     <!-- Preference for account login -->
     <string name="preferences_sync_sign_in">Connexion</string>
     <!-- Preference for reconnecting to FxA sync -->
@@ -496,6 +520,9 @@
     <!-- Postfix for private WebApp titles, placeholder is replaced with app name -->
     <string name="pwa_site_controls_title_private">%1$s (mòde privat)</string>
 
+    <!-- Button in the current tab tray header in multiselect mode. Saved the selected tabs to a collection when pressed. -->
+    <string name="tab_tray_save_to_collection">Enregistrar</string>
+
     <!-- History -->
     <!-- Text for the button to clear all history -->
     <string name="history_delete_all">Escafar l’istoric</string>
@@ -599,6 +626,8 @@
     <string name="edit_bookmark_fragment_title">Modificar lo marcapagina</string>
     <!-- Bookmark folder editing screen title -->
     <string name="edit_bookmark_folder_fragment_title">Modificar lo dossièr</string>
+    <!-- Bookmark sign in button message -->
+    <string name="bookmark_sign_in_button">Connectatz-vos per veire los marcapaginas sincronizats.</string>
     <!-- Bookmark URL editing field label -->
     <string name="bookmark_url_label">URL</string>
     <!-- Bookmark FOLDER editing field label -->
@@ -1184,6 +1213,8 @@
     <string name="saved_login_copy_username">Copiar lo nom d’utilizaire</string>
     <!-- Content Description (for screenreaders etc) read for the button to copy a site in logins -->
     <string name="saved_login_copy_site">Copiar lo site</string>
+    <!-- Content Description (for screenreaders etc) read for the button to open a site in logins -->
+    <string name="saved_login_open_site">Dobrir lo site dins lo navegador</string>
     <!-- Content Description (for screenreaders etc) read for the button to reveal a password in logins -->
     <string name="saved_login_reveal_password">Mostrar lo senhal</string>
     <!-- Content Description (for screenreaders etc) read for the button to hide a password in logins -->
@@ -1317,12 +1348,20 @@
     <string name="synced_tabs_connect_to_sync_account">Connectatz-vos amb un compte Firefox</string>
     <!-- Text displayed to ask user to connect another device as no devices found with account -->
     <string name="synced_tabs_connect_another_device">Connectatz un autre periferic.</string>
+    <!-- Text displayed asking user to re-authenticate -->
+    <string name="synced_tabs_reauth">Tornatz vos autentificar.</string>
+    <!-- Text displayed when user has disabled tab syncing in Firefox Sync Account -->
+    <string name="synced_tabs_enable_tab_syncing">Activatz la sincronizacion dels onglets.</string>
+    <!-- Text displayed in the synced tabs screen when a user is not signed in to Firefox Sync describing Synced Tabs -->
+    <string name="synced_tabs_sign_in_message">Vejatz la lista dels onglets dels autres periferics.</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">Se connectar a Sync</string>
 
     <!-- Top Sites -->
     <!-- Title text displayed in the dialog when top sites limit is reached. -->
     <string name="top_sites_max_limit_title">Arribat a la limita dels sites principals</string>
+    <!-- Content description text displayed in the dialog when top sites limit is reached. -->
+    <string name="top_sites_max_limit_content">Per ajustar un site principal novèl, suprimissètz-ne un autre. Tocatz longament sul site e causissètz suprimir.</string>
     <!-- Confirmation dialog button text when top sites limit is reached. -->
     <string name="top_sites_max_limit_confirmation_button">Òc, plan comprés</string>
 
diff --git a/app/src/main/res/values-pt-rBR/strings.xml b/app/src/main/res/values-pt-rBR/strings.xml
index 7dbafae79..dcb7b0153 100644
--- a/app/src/main/res/values-pt-rBR/strings.xml
+++ b/app/src/main/res/values-pt-rBR/strings.xml
@@ -24,6 +24,29 @@
     <!-- Message announced to the user when tab tray is selected with 0 or 2+ tabs -->
     <string name="open_tab_tray_plural">%1$s abas abertas. Toque para alternar abas.</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$d selecionadas</string>
+    <!-- Label of button in create collection dialog for creating a new collection  -->
+    <string name="tab_tray_add_new_collection">Nova coleção</string>
+    <!-- Label of editable text in create collection dialog for naming a new collection  -->
+    <string name="tab_tray_add_new_collection_name">Nome</string>
+    <!-- Label of button in save to collection dialog for selecting a current collection  -->
+    <string name="tab_tray_select_collection">Selecionar coleção</string>
+    <!-- Content description for close button while in multiselect mode in tab tray -->
+    <string name="tab_tray_close_multiselect_content_description">Sair do modo de seleção múltipla</string>
+    <!-- Content description for save to collection button while in multiselect mode in tab tray -->
+    <string name="tab_tray_collection_button_multiselect_content_description">Salvar abas selecionadas em coleção</string>
+    <!-- Content description for checkmark while tab is selected while in multiselect mode in tab tray. The first parameter is the title of the tab selected -->
+    <string name="tab_tray_item_selected_multiselect_content_description">%1$s selecionada</string>
+    <!-- Content description when tab is unselected while in multiselect mode in tab tray. The first parameter is the title of the tab unselected -->
+    <string name="tab_tray_item_unselected_multiselect_content_description">%1$s não selecionada</string>
+    <!-- Content description announcement when exiting multiselect mode in tab tray -->
+    <string name="tab_tray_exit_multiselect_content_description">Saiu do modo de seleção múltipla</string>
+    <!-- Content description announcement when entering multiselect mode in tab tray -->
+    <string name="tab_tray_enter_multiselect_content_description">Entrou no modo de seleção múltipla, selecione abas para salvar em uma coleção</string>
+    <!-- Content description on checkmark while tab is selected in multiselect mode in tab tray -->
+    <string name="tab_tray_multiselect_selected_content_description">Selecionada</string>
+
     <!-- About content. The first parameter is the name of the application. (For example: Fenix) -->
     <string name="about_content">O %1$s é produzido pela Mozilla.</string>
 
@@ -509,6 +532,9 @@
     <!-- Postfix for private WebApp titles, placeholder is replaced with app name -->
     <string name="pwa_site_controls_title_private">%1$s (modo privativo)</string>
 
+    <!-- Button in the current tab tray header in multiselect mode. Saved the selected tabs to a collection when pressed. -->
+    <string name="tab_tray_save_to_collection">Salvar</string>
+
     <!-- History -->
     <!-- Text for the button to clear all history -->
     <string name="history_delete_all">Limpar histórico</string>
diff --git a/app/src/main/res/values-pt-rPT/strings.xml b/app/src/main/res/values-pt-rPT/strings.xml
index cd3a32725..c106bcf56 100644
--- a/app/src/main/res/values-pt-rPT/strings.xml
+++ b/app/src/main/res/values-pt-rPT/strings.xml
@@ -38,6 +38,17 @@
     <!-- Content description for save to collection button while in multiselect mode in tab tray -->
     <string name="tab_tray_collection_button_multiselect_content_description">Guardar selecionados separadores na coleção</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">%1$s selecionado</string>
+    <!-- Content description when tab is unselected while in multiselect mode in tab tray. The first parameter is the title of the tab unselected -->
+    <string name="tab_tray_item_unselected_multiselect_content_description">%1$s não-selecionado</string>
+    <!-- Content description announcement when exiting multiselect mode in tab tray -->
+    <string name="tab_tray_exit_multiselect_content_description">O modo de seleção múltipla foi terminado</string>
+    <!-- Content description announcement when entering multiselect mode in tab tray -->
+    <string name="tab_tray_enter_multiselect_content_description">Modo de seleção múltipla iniciado; selecione os separadores a guardar numa coleção</string>
+    <!-- Content description on checkmark while tab is selected in multiselect mode in tab tray -->
+    <string name="tab_tray_multiselect_selected_content_description">Selecionado</string>
+
     <!-- About content. The first parameter is the name of the application. (For example: Fenix) -->
     <string name="about_content">%1$s é criado pela Mozilla.</string>
 
@@ -525,6 +536,9 @@
     <!-- Postfix for private WebApp titles, placeholder is replaced with app name -->
     <string name="pwa_site_controls_title_private">%1$s (modo privado)</string>
 
+    <!-- Button in the current tab tray header in multiselect mode. Saved the selected tabs to a collection when pressed. -->
+    <string name="tab_tray_save_to_collection">Guardar</string>
+
     <!-- History -->
     <!-- Text for the button to clear all history -->
     <string name="history_delete_all">Eliminar histórico</string>
diff --git a/app/src/main/res/values-sk/strings.xml b/app/src/main/res/values-sk/strings.xml
index 1dd733fe0..d927a9e84 100644
--- a/app/src/main/res/values-sk/strings.xml
+++ b/app/src/main/res/values-sk/strings.xml
@@ -26,6 +26,29 @@
     <!-- Message announced to the user when tab tray is selected with 0 or 2+ tabs -->
     <string name="open_tab_tray_plural">1 otvorených kariet. Ťuknutím prepnete karty.</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">Počet vybraných položiek: %1$d</string>
+    <!-- Label of button in create collection dialog for creating a new collection  -->
+    <string name="tab_tray_add_new_collection">Pridať novú kolekciu</string>
+    <!-- Label of editable text in create collection dialog for naming a new collection  -->
+    <string name="tab_tray_add_new_collection_name">Názov</string>
+    <!-- Label of button in save to collection dialog for selecting a current collection  -->
+    <string name="tab_tray_select_collection">Výber kolekcie</string>
+    <!-- Content description for close button while in multiselect mode in tab tray -->
+    <string name="tab_tray_close_multiselect_content_description">Ukončenie režimu viacnásobného výberu</string>
+    <!-- Content description for save to collection button while in multiselect mode in tab tray -->
+    <string name="tab_tray_collection_button_multiselect_content_description">Uložiť vybrané karty do kolekcie</string>
+    <!-- Content description for checkmark while tab is selected while in multiselect mode in tab tray. The first parameter is the title of the tab selected -->
+    <string name="tab_tray_item_selected_multiselect_content_description">Karta %1$s bola vybraná</string>
+    <!-- Content description when tab is unselected while in multiselect mode in tab tray. The first parameter is the title of the tab unselected -->
+    <string name="tab_tray_item_unselected_multiselect_content_description">Výber karty %1$s bol zrušený</string>
+    <!-- Content description announcement when exiting multiselect mode in tab tray -->
+    <string name="tab_tray_exit_multiselect_content_description">Režim viacnásobného výberu bol ukončený</string>
+    <!-- Content description announcement when entering multiselect mode in tab tray -->
+    <string name="tab_tray_enter_multiselect_content_description">Vstúpili ste do režimu viacnásobného výberu, vyberte si karty, ktoré chcete uložiť do kolekcie</string>
+    <!-- Content description on checkmark while tab is selected in multiselect mode in tab tray -->
+    <string name="tab_tray_multiselect_selected_content_description">Vybraná</string>
+
     <!-- About content. The first parameter is the name of the application. (For example: Fenix) -->
     <string name="about_content">%1$s vyvíja Mozilla.</string>
 
@@ -517,6 +540,9 @@
     <!-- Postfix for private WebApp titles, placeholder is replaced with app name -->
     <string name="pwa_site_controls_title_private">%1$s (súkromné prehliadanie)</string>
 
+    <!-- Button in the current tab tray header in multiselect mode. Saved the selected tabs to a collection when pressed. -->
+    <string name="tab_tray_save_to_collection">Uložiť</string>
+
     <!-- History -->
     <!-- Text for the button to clear all history -->
     <string name="history_delete_all">Vymazať históriu</string>
diff --git a/app/src/main/res/values-su/strings.xml b/app/src/main/res/values-su/strings.xml
index c12273970..a155b1da3 100644
--- a/app/src/main/res/values-su/strings.xml
+++ b/app/src/main/res/values-su/strings.xml
@@ -24,6 +24,29 @@
     <!-- Message announced to the user when tab tray is selected with 0 or 2+ tabs -->
     <string name="open_tab_tray_plural">%1$s tab muka. Toél pikeun ngagilir tab.</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$d dipilih</string>
+    <!-- Label of button in create collection dialog for creating a new collection  -->
+    <string name="tab_tray_add_new_collection">Tambah koléksi anyar</string>
+    <!-- Label of editable text in create collection dialog for naming a new collection  -->
+    <string name="tab_tray_add_new_collection_name">Ngaran</string>
+    <!-- Label of button in save to collection dialog for selecting a current collection  -->
+    <string name="tab_tray_select_collection">Pilih koléksi</string>
+    <!-- Content description for close button while in multiselect mode in tab tray -->
+    <string name="tab_tray_close_multiselect_content_description">Kaluar mode lobapilih</string>
+    <!-- Content description for save to collection button while in multiselect mode in tab tray -->
+    <string name="tab_tray_collection_button_multiselect_content_description">Simpen tab pinilih kana koléksi</string>
+    <!-- Content description for checkmark while tab is selected while in multiselect mode in tab tray. The first parameter is the title of the tab selected -->
+    <string name="tab_tray_item_selected_multiselect_content_description">Dipilih %1$s</string>
+    <!-- Content description when tab is unselected while in multiselect mode in tab tray. The first parameter is the title of the tab unselected -->
+    <string name="tab_tray_item_unselected_multiselect_content_description">Teu dipilih %1$s</string>
+    <!-- Content description announcement when exiting multiselect mode in tab tray -->
+    <string name="tab_tray_exit_multiselect_content_description">Kaluar mode lobapilih</string>
+    <!-- Content description announcement when entering multiselect mode in tab tray -->
+    <string name="tab_tray_enter_multiselect_content_description">Asup mode lobapilih, pilih tab pikeun neundeun ka koléksi</string>
+    <!-- Content description on checkmark while tab is selected in multiselect mode in tab tray -->
+    <string name="tab_tray_multiselect_selected_content_description">Dipilih</string>
+
     <!-- About content. The first parameter is the name of the application. (For example: Fenix) -->
     <string name="about_content">%1$s dihasilkeun ku Mozilla.</string>
 
@@ -510,6 +533,9 @@
     <!-- Postfix for private WebApp titles, placeholder is replaced with app name -->
     <string name="pwa_site_controls_title_private">%1$s (Mode Nyamuni)</string>
 
+    <!-- Button in the current tab tray header in multiselect mode. Saved the selected tabs to a collection when pressed. -->
+    <string name="tab_tray_save_to_collection">Teundeun</string>
+
     <!-- History -->
     <!-- Text for the button to clear all history -->
     <string name="history_delete_all">Hapus jujutan</string>
diff --git a/app/src/main/res/values-sv-rSE/strings.xml b/app/src/main/res/values-sv-rSE/strings.xml
index 776df3fc4..7abf7773a 100644
--- a/app/src/main/res/values-sv-rSE/strings.xml
+++ b/app/src/main/res/values-sv-rSE/strings.xml
@@ -26,17 +26,27 @@
     <string name="open_tab_tray_plural">%1$s öppna flikar. Tryck för att växla mellan flikar.</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$d vald</string>
+    <string name="tab_tray_multi_select_title">%1$d markerad</string>
     <!-- Label of button in create collection dialog for creating a new collection  -->
     <string name="tab_tray_add_new_collection">Lägg till ny samling</string>
     <!-- Label of editable text in create collection dialog for naming a new collection  -->
     <string name="tab_tray_add_new_collection_name">Namn</string>
     <!-- Label of button in save to collection dialog for selecting a current collection  -->
     <string name="tab_tray_select_collection">Välj samling</string>
+    <!-- Content description for close button while in multiselect mode in tab tray -->
+    <string name="tab_tray_close_multiselect_content_description">Avsluta flervalsläge</string>
     <!-- Content description for save to collection button while in multiselect mode in tab tray -->
     <string name="tab_tray_collection_button_multiselect_content_description">Spara valda flikar i samlingen</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">Markerad %1$s</string>
+    <!-- Content description when tab is unselected while in multiselect mode in tab tray. The first parameter is the title of the tab unselected -->
+    <string name="tab_tray_item_unselected_multiselect_content_description">Avmarkerad %1$s</string>
+    <!-- Content description announcement when exiting multiselect mode in tab tray -->
+    <string name="tab_tray_exit_multiselect_content_description">Avslutade flervalsläge</string>
+    <!-- Content description announcement when entering multiselect mode in tab tray -->
+    <string name="tab_tray_enter_multiselect_content_description">Öppnade flervalsläge och välj flikar för att spara i en samling</string>
     <!-- Content description on checkmark while tab is selected in multiselect mode in tab tray -->
-    <string name="tab_tray_multiselect_selected_content_description">Valda</string>
+    <string name="tab_tray_multiselect_selected_content_description">Markerad</string>
 
     <!-- About content. The first parameter is the name of the application. (For example: Fenix) -->
     <string name="about_content">%1$s produceras av Mozilla.</string>
diff --git a/app/src/main/res/values-te/strings.xml b/app/src/main/res/values-te/strings.xml
index f7ca022ca..517dd67e5 100644
--- a/app/src/main/res/values-te/strings.xml
+++ b/app/src/main/res/values-te/strings.xml
@@ -25,9 +25,30 @@
     <!-- Message announced to the user when tab tray is selected with 0 or 2+ tabs -->
     <string name="open_tab_tray_plural">%1$s తెరిచివున్న ట్యాబులు. ట్యాబుల మధ్య మారడానికి తాకండి.</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 ఎంచుకున్నారు</string>
+    <!-- Label of button in create collection dialog for creating a new collection  -->
+    <string name="tab_tray_add_new_collection">కొత్త సేకరణను చేర్చు</string>
     <!-- Label of editable text in create collection dialog for naming a new collection  -->
     <string name="tab_tray_add_new_collection_name">పేరు</string>
 
+    <!-- Label of button in save to collection dialog for selecting a current collection  -->
+    <string name="tab_tray_select_collection">సేకరణను ఎంచుకో</string>
+    <!-- Content description for close button while in multiselect mode in tab tray -->
+    <string name="tab_tray_close_multiselect_content_description">బహుళఎంపిక రీతి నుండి వైదొలగు</string>
+    <!-- Content description for save to collection button while in multiselect mode in tab tray -->
+    <string name="tab_tray_collection_button_multiselect_content_description">ఎంచుకున్న ట్యాబులను సేకరణకు భద్రపరుచు</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">%1$s‌ను ఎంచుకున్నారు</string>
+    <!-- Content description when tab is unselected while in multiselect mode in tab tray. The first parameter is the title of the tab unselected -->
+    <string name="tab_tray_item_unselected_multiselect_content_description">%1$s‌ను ఎంచుకోలేదు</string>
+    <!-- Content description announcement when exiting multiselect mode in tab tray -->
+    <string name="tab_tray_exit_multiselect_content_description">బహుళఎంపిక రీతి నుండి వైదొలగారు</string>
+    <!-- Content description announcement when entering multiselect mode in tab tray -->
+    <string name="tab_tray_enter_multiselect_content_description">బహుళఎంపిక రీతిలో ఉన్నారు, సేకరణలో భద్రపరచాల్సిన ట్యాబులను ఎంచుకోండి</string>
+    <!-- Content description on checkmark while tab is selected in multiselect mode in tab tray -->
+    <string name="tab_tray_multiselect_selected_content_description">ఎంచుకున్నారు</string>
+
     <!-- About content. The first parameter is the name of the application. (For example: Fenix) -->
     <string name="about_content">%1$s‌ని తయారుచేసినది మొజిల్లా.</string>
 
diff --git a/app/src/main/res/values-tr/strings.xml b/app/src/main/res/values-tr/strings.xml
index 699530192..1b6ccda3a 100644
--- a/app/src/main/res/values-tr/strings.xml
+++ b/app/src/main/res/values-tr/strings.xml
@@ -25,6 +25,29 @@
     <!-- Message announced to the user when tab tray is selected with 0 or 2+ tabs -->
     <string name="open_tab_tray_plural">%1$s açık sekme. Sekme değiştirmek için dokunun.</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$d sekme seçildi</string>
+    <!-- Label of button in create collection dialog for creating a new collection  -->
+    <string name="tab_tray_add_new_collection">Yeni koleksiyon ekle</string>
+    <!-- Label of editable text in create collection dialog for naming a new collection  -->
+    <string name="tab_tray_add_new_collection_name">Adı</string>
+    <!-- Label of button in save to collection dialog for selecting a current collection  -->
+    <string name="tab_tray_select_collection">Koleksiyon seç</string>
+    <!-- Content description for close button while in multiselect mode in tab tray -->
+    <string name="tab_tray_close_multiselect_content_description">Çoklu seçim modundan çık</string>
+    <!-- Content description for save to collection button while in multiselect mode in tab tray -->
+    <string name="tab_tray_collection_button_multiselect_content_description">Seçilen sekmeleri koleksiyona kaydet</string>
+    <!-- Content description for checkmark while tab is selected while in multiselect mode in tab tray. The first parameter is the title of the tab selected -->
+    <string name="tab_tray_item_selected_multiselect_content_description">%1$s seçildi</string>
+    <!-- Content description when tab is unselected while in multiselect mode in tab tray. The first parameter is the title of the tab unselected -->
+    <string name="tab_tray_item_unselected_multiselect_content_description">%1$s seçimi kaldırıldı</string>
+    <!-- Content description announcement when exiting multiselect mode in tab tray -->
+    <string name="tab_tray_exit_multiselect_content_description">Çoklu seçim modundan çıkıldı</string>
+    <!-- Content description announcement when entering multiselect mode in tab tray -->
+    <string name="tab_tray_enter_multiselect_content_description">Çoklu seçim moduna girdiniz. Koleksiyona kaydedilecek sekmeleri seçin</string>
+    <!-- Content description on checkmark while tab is selected in multiselect mode in tab tray -->
+    <string name="tab_tray_multiselect_selected_content_description">Seçildi</string>
+
     <!-- About content. The first parameter is the name of the application. (For example: Fenix) -->
     <string name="about_content">%1$s bir Mozilla ürünüdür.</string>
 
@@ -511,6 +534,9 @@
     <!-- Postfix for private WebApp titles, placeholder is replaced with app name -->
     <string name="pwa_site_controls_title_private">%1$s (Gizli Mod)</string>
 
+    <!-- Button in the current tab tray header in multiselect mode. Saved the selected tabs to a collection when pressed. -->
+    <string name="tab_tray_save_to_collection">Kaydet</string>
+
     <!-- History -->
     <!-- Text for the button to clear all history -->
     <string name="history_delete_all">Geçmişi sil</string>
diff --git a/app/src/main/res/values-vi/strings.xml b/app/src/main/res/values-vi/strings.xml
index e9c75f5dd..4bc8f7662 100644
--- a/app/src/main/res/values-vi/strings.xml
+++ b/app/src/main/res/values-vi/strings.xml
@@ -25,6 +25,29 @@
     <!-- Message announced to the user when tab tray is selected with 0 or 2+ tabs -->
     <string name="open_tab_tray_plural">%1$s thẻ đang mở. Chạm để chuyển thẻ.</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$d đã chọn</string>
+    <!-- Label of button in create collection dialog for creating a new collection  -->
+    <string name="tab_tray_add_new_collection">Thêm bộ sưu tập mới</string>
+    <!-- Label of editable text in create collection dialog for naming a new collection  -->
+    <string name="tab_tray_add_new_collection_name">Tên</string>
+    <!-- Label of button in save to collection dialog for selecting a current collection  -->
+    <string name="tab_tray_select_collection">Chọn bộ sưu tập</string>
+    <!-- Content description for close button while in multiselect mode in tab tray -->
+    <string name="tab_tray_close_multiselect_content_description">Thoát chế độ nhiều lựa chọn</string>
+    <!-- Content description for save to collection button while in multiselect mode in tab tray -->
+    <string name="tab_tray_collection_button_multiselect_content_description">Lưu các thẻ đã chọn vào bộ sưu tập</string>
+    <!-- Content description for checkmark while tab is selected while in multiselect mode in tab tray. The first parameter is the title of the tab selected -->
+    <string name="tab_tray_item_selected_multiselect_content_description">Đã chọn %1$s</string>
+    <!-- Content description when tab is unselected while in multiselect mode in tab tray. The first parameter is the title of the tab unselected -->
+    <string name="tab_tray_item_unselected_multiselect_content_description">Đã bỏ chọn %1$s</string>
+    <!-- Content description announcement when exiting multiselect mode in tab tray -->
+    <string name="tab_tray_exit_multiselect_content_description">Đã thoát chế độ nhiều lựa chọn</string>
+    <!-- Content description announcement when entering multiselect mode in tab tray -->
+    <string name="tab_tray_enter_multiselect_content_description">Đã vào chế độ nhiều lựa chọn, chọn các thẻ để lưu vào bộ sưu tập</string>
+    <!-- Content description on checkmark while tab is selected in multiselect mode in tab tray -->
+    <string name="tab_tray_multiselect_selected_content_description">Đã chọn</string>
+
     <!-- About content. The first parameter is the name of the application. (For example: Fenix) -->
     <string name="about_content">%1$s được sản xuất bởi Mozilla.</string>
 
@@ -508,6 +531,9 @@
     <!-- Postfix for private WebApp titles, placeholder is replaced with app name -->
     <string name="pwa_site_controls_title_private">%1$s (Chế độ riêng tư)</string>
 
+    <!-- Button in the current tab tray header in multiselect mode. Saved the selected tabs to a collection when pressed. -->
+    <string name="tab_tray_save_to_collection">Lưu</string>
+
     <!-- History -->
     <!-- Text for the button to clear all history -->
     <string name="history_delete_all">Xóa lịch sử</string>
diff --git a/app/src/main/res/values-zh-rCN/strings.xml b/app/src/main/res/values-zh-rCN/strings.xml
index 2ebd74c23..8bc09e8ae 100644
--- a/app/src/main/res/values-zh-rCN/strings.xml
+++ b/app/src/main/res/values-zh-rCN/strings.xml
@@ -28,6 +28,31 @@
     <!-- Message announced to the user when tab tray is selected with 0 or 2+ tabs -->
     <string name="open_tab_tray_plural">打开了 %1$s 个标签页，点击即可切换。</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">已选择 %1$d 个标签页</string>
+    <!-- Label of button in create collection dialog for creating a new collection  -->
+    <string name="tab_tray_add_new_collection">新建收藏集</string>
+    <!-- Label of editable text in create collection dialog for naming a new collection  -->
+    <string name="tab_tray_add_new_collection_name">名称</string>
+    <!-- Label of button in save to collection dialog for selecting a current collection  -->
+    <string name="tab_tray_select_collection">选择收藏集</string>
+    <!-- Content description for close button while in multiselect mode in tab tray -->
+    <string name="tab_tray_close_multiselect_content_description">退出多选模式</string>
+    <!-- Content description for save to collection button while in multiselect mode in tab tray -->
+    <string name="tab_tray_collection_button_multiselect_content_description">将选择的的标签页保存到收藏集</string>
+    <!-- Content description for checkmark while tab is selected while in multiselect mode in tab tray. The first parameter is the title of the tab selected -->
+    <string name="tab_tray_item_selected_multiselect_content_description">已选择 %1$s</string>
+    <!-- Content description when tab is unselected while in multiselect mode in tab tray. The first parameter is the title of the tab unselected -->
+    <string name="tab_tray_item_unselected_multiselect_content_description">已取消选择 %1$s</string>
+    <!-- Content description announcement when exiting multiselect mode in tab tray -->
+    <string name="tab_tray_exit_multiselect_content_description">已退出多选模式</string>
+
+    <!-- Content description announcement when entering multiselect mode in tab tray -->
+    <string name="tab_tray_enter_multiselect_content_description">已进入多选模式，请选择要保存到收藏集的标签页</string>
+
+    <!-- Content description on checkmark while tab is selected in multiselect mode in tab tray -->
+    <string name="tab_tray_multiselect_selected_content_description">已选择</string>
+
     <!-- About content. The first parameter is the name of the application. (For example: Fenix) -->
     <string name="about_content">%1$s —— Mozilla 荣誉出品</string>
 
@@ -523,6 +548,9 @@
     <!-- Postfix for private WebApp titles, placeholder is replaced with app name -->
     <string name="pwa_site_controls_title_private">%1$s（隐私模式）</string>
 
+    <!-- Button in the current tab tray header in multiselect mode. Saved the selected tabs to a collection when pressed. -->
+    <string name="tab_tray_save_to_collection">保存</string>
+
     <!-- History -->
     <!-- Text for the button to clear all history -->
     <string name="history_delete_all">删除历史记录</string>
@@ -873,7 +901,7 @@
     <!-- Collection and tab deletion prompt dialog message. This will show when the last tab from a collection is deleted -->
     <string name="delete_tab_and_collection_dialog_message">删除此标签页将删除整个收藏集。您可以随时新建收藏集。</string>
     <!-- Collection and tab deletion prompt dialog title. Placeholder will be replaced with the collection name. This will show when the last tab from a collection is deleted -->
-    <string name="delete_tab_and_collection_dialog_title">要删除 %1$s 吗？</string>
+    <string name="delete_tab_and_collection_dialog_title">要删除“%1$s”吗？</string>
     <!-- Tab collection deletion prompt dialog option to delete the collection -->
     <string name="tab_collection_dialog_positive">删除</string>
     <!-- Tab collection deletion prompt dialog option to cancel deleting the collection -->
diff --git a/app/src/main/res/values-zh-rTW/strings.xml b/app/src/main/res/values-zh-rTW/strings.xml
index 28cbb7df7..b13bb5b92 100644
--- a/app/src/main/res/values-zh-rTW/strings.xml
+++ b/app/src/main/res/values-zh-rTW/strings.xml
@@ -28,6 +28,29 @@
     <!-- Message announced to the user when tab tray is selected with 0 or 2+ tabs -->
     <string name="open_tab_tray_plural">開啟了 %1$s 個分頁，點擊即可切換分頁。</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">已選擇 ％1$d 個分頁</string>
+    <!-- Label of button in create collection dialog for creating a new collection  -->
+    <string name="tab_tray_add_new_collection">新增收藏集</string>
+    <!-- Label of editable text in create collection dialog for naming a new collection  -->
+    <string name="tab_tray_add_new_collection_name">名稱</string>
+    <!-- Label of button in save to collection dialog for selecting a current collection  -->
+    <string name="tab_tray_select_collection">選擇收藏集</string>
+    <!-- Content description for close button while in multiselect mode in tab tray -->
+    <string name="tab_tray_close_multiselect_content_description">離開分頁多選模式</string>
+    <!-- Content description for save to collection button while in multiselect mode in tab tray -->
+    <string name="tab_tray_collection_button_multiselect_content_description">將選擇的分頁儲存至收藏集</string>
+    <!-- Content description for checkmark while tab is selected while in multiselect mode in tab tray. The first parameter is the title of the tab selected -->
+    <string name="tab_tray_item_selected_multiselect_content_description">已選擇 %1$s 個分頁</string>
+    <!-- Content description when tab is unselected while in multiselect mode in tab tray. The first parameter is the title of the tab unselected -->
+    <string name="tab_tray_item_unselected_multiselect_content_description">已取消選擇 %1$s 個分頁</string>
+    <!-- Content description announcement when exiting multiselect mode in tab tray -->
+    <string name="tab_tray_exit_multiselect_content_description">已離開分頁多選模式</string>
+    <!-- Content description announcement when entering multiselect mode in tab tray -->
+    <string name="tab_tray_enter_multiselect_content_description">已進入多選模式，請選擇要儲存到收藏集的分頁</string>
+    <!-- Content description on checkmark while tab is selected in multiselect mode in tab tray -->
+    <string name="tab_tray_multiselect_selected_content_description">已選取</string>
+
     <!-- About content. The first parameter is the name of the application. (For example: Fenix) -->
     <string name="about_content">%1$s 是由 Mozilla 所打造。</string>
 
@@ -519,6 +542,9 @@
     <!-- Postfix for private WebApp titles, placeholder is replaced with app name -->
     <string name="pwa_site_controls_title_private">%1$s（隱私瀏覽模式）</string>
 
+    <!-- Button in the current tab tray header in multiselect mode. Saved the selected tabs to a collection when pressed. -->
+    <string name="tab_tray_save_to_collection">儲存</string>
+
     <!-- History -->
     <!-- Text for the button to clear all history -->
     <string name="history_delete_all">刪除瀏覽紀錄</string>