diff --git a/app/src/main/res/values-es-rCL/strings.xml b/app/src/main/res/values-es-rCL/strings.xml
index 6c6bc6ada..86efd0030 100644
--- a/app/src/main/res/values-es-rCL/strings.xml
+++ b/app/src/main/res/values-es-rCL/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 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$s deseleccionada</string>
+    <!-- Content description announcement when exiting multiselect mode in tab tray -->
+    <string name="tab_tray_exit_multiselect_content_description">Has salido del modo de selección múltiple</string>
+    <!-- Content description announcement when entering multiselect mode in tab tray -->
+    <string name="tab_tray_enter_multiselect_content_description">Has ingresado al modo de selección múltiple, selecciona pestañas para guardar en una colección</string>
+    <!-- Content description on checkmark while tab is selected in multiselect mode in tab tray -->
+    <string name="tab_tray_multiselect_selected_content_description">Seleccionadas</string>
+
     <!-- About content. The first parameter is the name of the application. (For example: Fenix) -->
     <string name="about_content">%1$s es producido por Mozilla.</string>
 
@@ -508,6 +531,9 @@
     <!-- 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>
diff --git a/app/src/main/res/values-hr/strings.xml b/app/src/main/res/values-hr/strings.xml
index 95f1bc3c0..8004e9980 100644
--- a/app/src/main/res/values-hr/strings.xml
+++ b/app/src/main/res/values-hr/strings.xml
@@ -25,6 +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 otvorene kartice. Dodirni za prebacivanje kartica.</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">Odabrano: %1$d</string>
+    <!-- Label of button in create collection dialog for creating a new collection  -->
+    <string name="tab_tray_add_new_collection">Dodaj novu zbirku</string>
+    <!-- Label of editable text in create collection dialog for naming a new collection  -->
+    <string name="tab_tray_add_new_collection_name">Ime</string>
+    <!-- Label of button in save to collection dialog for selecting a current collection  -->
+    <string name="tab_tray_select_collection">Odaberi zbirku</string>
+    <!-- Content description for close button while in multiselect mode in tab tray -->
+    <string name="tab_tray_close_multiselect_content_description">Izađi iz modusa višestrukog odabira</string>
+    <!-- Content description for save to collection button while in multiselect mode in tab tray -->
+    <string name="tab_tray_collection_button_multiselect_content_description">Spremi odabrane kartice u zbirku</string>
+    <!-- Content description for checkmark while tab is selected while in multiselect mode in tab tray. The first parameter is the title of the tab selected -->
+    <string name="tab_tray_item_selected_multiselect_content_description">Odabrano: %1$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">Nedabrano: %1$s</string>
+    <!-- Content description announcement when exiting multiselect mode in tab tray -->
+    <string name="tab_tray_exit_multiselect_content_description">Izađeno je iz modusa višestrukog odabira</string>
+
+    <!-- Content description announcement when entering multiselect mode in tab tray -->
+    <string name="tab_tray_enter_multiselect_content_description">Modus višestrukog izbora pokrenut, odaberi kartice za spremanje u zbirku</string>
+    <!-- Content description on checkmark while tab is selected in multiselect mode in tab tray -->
+    <string name="tab_tray_multiselect_selected_content_description">Odabrano</string>
+
     <!-- About content. The first parameter is the name of the application. (For example: Fenix) -->
     <string name="about_content">%1$s proizvodi Mozilla.</string>
 
@@ -511,6 +535,9 @@
     <!-- Postfix for private WebApp titles, placeholder is replaced with app name -->
     <string name="pwa_site_controls_title_private">%1$s (privatni modus)</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">Spremi</string>
+
     <!-- History -->
     <!-- Text for the button to clear all history -->
     <string name="history_delete_all">Izbriši povijest</string>
diff --git a/app/src/main/res/values-ko/strings.xml b/app/src/main/res/values-ko/strings.xml
index 6997a10e0..fd78aa446 100644
--- a/app/src/main/res/values-ko/strings.xml
+++ b/app/src/main/res/values-ko/strings.xml
@@ -289,7 +289,7 @@
     <!-- Preference for data collection -->
     <string name="preferences_data_collection">데이터 수집</string>
     <!-- Preference linking to the privacy notice -->
-    <string name="preferences_privacy_link">개인 정보 정책</string>
+    <string name="preferences_privacy_link">개인정보 보호정책</string>
     <!-- Preference category for developer tools -->
     <string name="developer_tools_category">개발자 도구</string>
     <!-- Preference for developers -->
@@ -1083,7 +1083,7 @@
     
     </string>
     <!-- Text for the button to read the privacy notice -->
-    <string name="onboarding_privacy_notice_read_button">개인 정보 보호 정책 읽기</string>
+    <string name="onboarding_privacy_notice_read_button">개인정보 보호정책 읽기</string>
 
     <!-- Content description (not visible, for screen readers etc.): Close onboarding screen -->
     <string name="onboarding_close">닫기</string>
@@ -1237,7 +1237,7 @@
     <!-- About page link text to list of past crashes (like about:crashes on desktop) -->
     <string name="about_crashes">충돌</string>
     <!-- About page link text to open privacy notice link -->
-    <string name="about_privacy_notice">개인 정보 보호 정책</string>
+    <string name="about_privacy_notice">개인정보 보호정책</string>
 
     <!-- About page link text to open know your rights link -->
     <string name="about_know_your_rights">권리 읽기</string>
diff --git a/app/src/main/res/values-ro/strings.xml b/app/src/main/res/values-ro/strings.xml
index 45557d742..98ecc9984 100644
--- a/app/src/main/res/values-ro/strings.xml
+++ b/app/src/main/res/values-ro/strings.xml
@@ -780,7 +780,7 @@
     <!-- Sub-header in the dialog to share a link to an app from the most-recent sorted list -->
     <string name="share_link_recent_apps_subheader">Folosite recent</string>
     <!-- An option from the share dialog to sign into sync -->
-    <string name="sync_sign_in">Autentificare în Sync</string>
+    <string name="sync_sign_in">Autentifică-te în Sync</string>
     <!-- An option from the share dialog to send link to all other sync devices -->
     <string name="sync_send_to_all">Trimite pe toate dispozitivele</string>
     <!-- An option from the share dialog to reconnect to sync -->
@@ -984,7 +984,7 @@
     <!-- text for the automatic sign-in button while signing in is in process -->
     <string name="onboarding_firefox_account_signing_in">Autentificare…</string>
     <!-- text for the button to manually sign into Firefox account. The word "Firefox" should not be translated -->
-    <string name="onboarding_firefox_account_sign_in">Autentificare în Firefox</string>
+    <string name="onboarding_firefox_account_sign_in">Autentifică-te în Firefox</string>
     <!-- text for the button to stay signed out when presented with an option to automatically sign-in. -->
     <string name="onboarding_firefox_account_stay_signed_out">Rămâi deconectat</string>
     <!-- text to display in the snackbar once account is signed-in -->
@@ -1244,7 +1244,7 @@
     <!-- Syncing saved logins in Fenix needs reconnect to sync -->
     <string name="preferences_passwords_sync_logins_reconnect">Reconectare</string>
     <!-- Syncing saved logins in Fenix needs login -->
-    <string name="preferences_passwords_sync_logins_sign_in">Autentificare în Sync</string>
+    <string name="preferences_passwords_sync_logins_sign_in">Autentifică-te în Sync</string>
     <!-- Preference to access list of saved logins -->
     <string name="preferences_passwords_saved_logins">Date de autentificare salvate</string>
     <!-- Description of empty list of saved passwords. Placeholder is replaced with app name.  -->