diff --git a/app/src/main/res/values-ast/strings.xml b/app/src/main/res/values-ast/strings.xml
index f4c685d068..31c3f61cac 100644
--- a/app/src/main/res/values-ast/strings.xml
+++ b/app/src/main/res/values-ast/strings.xml
@@ -39,6 +39,10 @@
     <string name="tab_tray_close_multiselect_content_description">Colar del mou d\'esbilla 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 les llingüetes esbillaes nuna coleición</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">Esbillóse %1$s</string>
+    <!-- Content description when tab is unselected while in multiselect mode in tab tray. The first parameter is the title of the tab unselected -->
+    <string name="tab_tray_item_unselected_multiselect_content_description">Deseleicionóse %1$s</string>
     <!-- Content description announcement when exiting multiselect mode in tab tray -->
     <string name="tab_tray_exit_multiselect_content_description">Colesti del mou d\'esbilla múltiple</string>
     <!-- Content description announcement when entering multiselect mode in tab tray -->
@@ -208,7 +212,6 @@
     <!-- Search suggestion onboarding hint Learn more link text -->
     <string name="search_suggestions_onboarding_learn_more_link">Deprender más</string>
 
-    <!-- Search Widget -->
     <!-- Text preview for smaller sized widgets -->
     <string name="search_widget_text_short">Buscar</string>
 
@@ -838,6 +841,8 @@
     <!-- The user visible name of the "notification channel" (Android 8+ feature) for the ongoing notification shown while a browsing session is active. -->
     <string name="notification_pbm_channel_name">Sesiones de restolar en privao</string>
     <!-- Text shown in the notification that pops up to remind the user that a private browsing session is active. -->
+    <string name="notification_pbm_delete_text">Toca pa desaniciar les llingüetes privaes</string>
+    <!-- Text shown in the notification that pops up to remind the user that a private browsing session is active. -->
     <string name="notification_pbm_delete_text_2">Toca pa zarrar les llingüetes privaes</string>
     <!-- Notification action to open Fenix and resume the current browsing session. -->
     <string name="notification_pbm_action_open">Abrir</string>
@@ -867,6 +872,8 @@
     <string name="snackbar_private_tabs_deleted">Desaniciáronse les llingüetes privaes</string>
     <!-- Text shown in snackbar to undo deleting a tab, top site or collection -->
     <string name="snackbar_deleted_undo">DESFACER</string>
+    <!-- Text shown in snackbar when user removes a top site -->
+    <string name="snackbar_top_site_removed">Desanicióse\'l sitiu</string>
     <!-- Text for action to undo deleting a tab or collection shown in a11y dialog -->
     <string name="a11y_dialog_deleted_undo">Desfacer</string>
     <!-- Text for action to confirm deleting a tab or collection shown in a11y dialog -->
@@ -1508,6 +1515,9 @@
     The first parameter is the name of the app (e.g. Firefox Preview) -->
     <string name="onboarding_firefox_account_header">Aprovecha %s al máximu.</string>
 
+    <!-- Content description radio buttons with a link to more information -->
+    <string name="radio_preference_info_content_description">Calca pa más detalles</string>
+
     <!-- Deprecated: No Open Tabs Message Header -->
     <string name="no_collections_header1">Coleiciona les coses que t\'importen</string>
     <!-- Deprecated: Label to describe what collections are to a new user without any collections -->
diff --git a/app/src/main/res/values-kk/strings.xml b/app/src/main/res/values-kk/strings.xml
index c200dbc5d8..b8c530623e 100644
--- a/app/src/main/res/values-kk/strings.xml
+++ b/app/src/main/res/values-kk/strings.xml
@@ -211,6 +211,8 @@
     <string name="search_suggestions_onboarding_learn_more_link">Көбірек білу</string>
 
     <!-- Search Widget -->
+    <!-- Content description for searching with a widget. Firefox is intentionally hardcoded.-->
+    <string name="search_widget_content_description">Жаңа Firefox бетін ашу</string>
     <!-- Text preview for smaller sized widgets -->
     <string name="search_widget_text_short">Іздеу</string>
     <!-- Text preview for larger sized widgets -->
@@ -619,6 +621,8 @@
     <string name="collection_rename">Жинақ атын өзгерту</string>
     <!-- Text for the button to open tabs of the selected collection -->
     <string name="collection_open_tabs">Беттерді ашу</string>
+    <!-- Hint for adding name of a collection -->
+    <string name="collection_name_hint">Жинақ атауы</string>
     <!-- Text for the menu button to remove a top site -->
     <string name="remove_top_site">Өшіру</string>
 
@@ -1611,6 +1615,9 @@
     The first parameter is the name of the app (e.g. Firefox Preview) -->
     <string name="onboarding_firefox_account_header">%s өнімін толықтай пайдаланыңыз.</string>
 
+    <!-- Content description radio buttons with a link to more information -->
+    <string name="radio_preference_info_content_description">Көбірек білу үшін шертіңіз</string>
+
     <!-- Deprecated: No Open Tabs Message Header -->
     <string name="no_collections_header1">Өзіңізге маңызды заттарды жинаңыз</string>
     <!-- Deprecated: Label to describe what collections are to a new user without any collections -->
diff --git a/app/src/main/res/values-th/strings.xml b/app/src/main/res/values-th/strings.xml
index 0ab7704f72..61ea11fccf 100644
--- a/app/src/main/res/values-th/strings.xml
+++ b/app/src/main/res/values-th/strings.xml
@@ -214,6 +214,8 @@
     <string name="search_suggestions_onboarding_learn_more_link">เรียนรู้เพิ่มเติม</string>
 
     <!-- Search Widget -->
+    <!-- Content description for searching with a widget. Firefox is intentionally hardcoded.-->
+    <string name="search_widget_content_description">เปิดแท็บ Firefox ใหม่</string>
     <!-- Text preview for smaller sized widgets -->
     <string name="search_widget_text_short">ค้นหา</string>
     <!-- Text preview for larger sized widgets -->
@@ -626,6 +628,8 @@
     <!-- Text for the button to open tabs of the selected collection -->
     <string name="collection_open_tabs">แท็บที่เปิด</string>
 
+    <!-- Hint for adding name of a collection -->
+    <string name="collection_name_hint">ชื่อชุดสะสม</string>
     <!-- Text for the menu button to remove a top site -->
     <string name="remove_top_site">เอาออก</string>
 
@@ -1615,6 +1619,9 @@
     The first parameter is the name of the app (e.g. Firefox Preview) -->
     <string name="onboarding_firefox_account_header">รับประโยชน์สูงสุดจาก %s</string>
 
+    <!-- Content description radio buttons with a link to more information -->
+    <string name="radio_preference_info_content_description">คลิกเพื่อดูรายละเอียดเพิ่มเติม</string>
+
     <!-- Deprecated: No Open Tabs Message Header -->
     <string name="no_collections_header1">รวบรวมสิ่งที่สำคัญสำหรับคุณ</string>
     <!-- Deprecated: Label to describe what collections are to a new user without any collections -->