diff --git a/app/src/main/res/values-co/strings.xml b/app/src/main/res/values-co/strings.xml
index 275e9adf25..46329a414a 100644
--- a/app/src/main/res/values-co/strings.xml
+++ b/app/src/main/res/values-co/strings.xml
@@ -624,6 +624,8 @@
     <string name="tab_tray_multiselect_menu_content_description">Listinu di l’unghjette selezziunate</string>
     <!-- Content description (not visible, for screen readers etc.): Removes tab from collection button. Removes the selected tab from collection when pressed -->
     <string name="remove_tab_from_collection">Caccià l’unghjetta da a cullezzione</string>
+    <!-- Text for button to enter multiselect mode in tabs tray -->
+    <string name="tabs_tray_select_tabs">Selezziunà unghjette</string>
     <!-- Content description (not visible, for screen readers etc.): Close tab button. Closes the current session when pressed -->
     <string name="close_tab">Chjode l’unghjetta</string>
     <!-- Content description (not visible, for screen readers etc.): Close tab <title> button. First parameter is tab title  -->
diff --git a/app/src/main/res/values-dsb/strings.xml b/app/src/main/res/values-dsb/strings.xml
index c33309af99..8264a533bd 100644
--- a/app/src/main/res/values-dsb/strings.xml
+++ b/app/src/main/res/values-dsb/strings.xml
@@ -441,6 +441,10 @@
     <string name="preferences_marketing_data">Marketingowe daty</string>
     <!-- Preference description for marketing data collection, parameter is the app name (e.g. Firefox) -->
     <string name="preferences_marketing_data_description">Źěli daty wó tom, kótare funkcije w %1$s wužywaśo, z Leanplum, našym póbitowarjom za mobilny marketing.</string>
+    <!-- Title for studies preferences -->
+    <string name="preference_experiments_2">Studije</string>
+    <!-- Summary for studies preferences -->
+    <string name="preference_experiments_summary_2">Mozilla dowóliś, studije instalěrowaś a pśewjasć</string>
     <!-- Title for experiments preferences -->
     <string name="preference_experiments">Eksperimenty</string>
 
diff --git a/app/src/main/res/values-fi/strings.xml b/app/src/main/res/values-fi/strings.xml
index c5d4f37b39..035dfd00da 100644
--- a/app/src/main/res/values-fi/strings.xml
+++ b/app/src/main/res/values-fi/strings.xml
@@ -449,6 +449,10 @@
     <string name="preferences_marketing_data">Markkinointitiedot</string>
     <!-- Preference description for marketing data collection, parameter is the app name (e.g. Firefox) -->
     <string name="preferences_marketing_data_description">Jakaa tietoa %1$sissa käyttämistäsi ominaisuuksista mobiilimarkkinointia meille toteuttavan Leanplumin kanssa.</string>
+    <!-- Title for studies preferences -->
+    <string name="preference_experiments_2">Tutkimukset</string>
+    <!-- Summary for studies preferences -->
+    <string name="preference_experiments_summary_2">Salli Mozillan asentaa ja suorittaa tutkimuksia</string>
     <!-- Title for experiments preferences -->
     <string name="preference_experiments">Kokeilut</string>
     <!-- Summary for experiments preferences -->
@@ -600,6 +604,8 @@
     <string name="tab_tray_title">Avoimet välilehdet</string>
     <!-- Text shown in the menu for saving tabs to a collection -->
     <string name="tab_tray_menu_item_save">Tallenna kokoelmaan</string>
+    <!-- Text shown in the menu for the collection selector -->
+    <string name="tab_tray_menu_select">Valitse</string>
     <!-- Text shown in the menu for sharing all tabs -->
     <string name="tab_tray_menu_item_share">Jaa kaikki välilehdet</string>
     <!-- Text shown in the menu to view recently closed tabs -->
diff --git a/app/src/main/res/values-hu/strings.xml b/app/src/main/res/values-hu/strings.xml
index 14f961ef3e..233b5fda0b 100644
--- a/app/src/main/res/values-hu/strings.xml
+++ b/app/src/main/res/values-hu/strings.xml
@@ -444,6 +444,10 @@
     <string name="preferences_marketing_data">Marketing adatok</string>
     <!-- Preference description for marketing data collection, parameter is the app name (e.g. Firefox) -->
     <string name="preferences_marketing_data_description">Megosztja a Leanplummal, a mobil marketing szolgáltatónkkal, hogy mely funkciókat használja a %1$s böngészőben.</string>
+    <!-- Title for studies preferences -->
+    <string name="preference_experiments_2">Tanulmányok</string>
+    <!-- Summary for studies preferences -->
+    <string name="preference_experiments_summary_2">Engedélyezés, hogy a Mozilla tanulmányokat telepítsen és futtasson</string>
     <!-- Title for experiments preferences -->
     <string name="preference_experiments">Kísérletek</string>
     <!-- Summary for experiments preferences -->
diff --git a/app/src/main/res/values-th/strings.xml b/app/src/main/res/values-th/strings.xml
index dcbb3e2688..479b0d6e39 100644
--- a/app/src/main/res/values-th/strings.xml
+++ b/app/src/main/res/values-th/strings.xml
@@ -19,6 +19,10 @@
     <!-- No Private Tabs Message Description -->
     <string name="no_private_tabs_description">แท็บส่วนตัวของคุณจะถูกแสดงที่นี่</string>
 
+    <!-- Default title for pinned Baidu top site that links to Baidu home page  -->
+    <string name="default_top_site_baidu">Baidu</string>
+    <!-- Default title for pinned JD top site that links to JD home page  -->
+    <string name="default_top_site_jd">JD</string>
     <!-- Message announced to the user when tab tray is selected with 1 tab -->
     <string name="open_tab_tray_single">1 แท็บที่เปิด แตะเพื่อสลับไปยังแท็บ</string>
     <!-- Message announced to the user when tab tray is selected with 0 or 2+ tabs -->
@@ -91,6 +95,11 @@
     <!-- Text for the negative action button to dismiss the Close Tabs Banner. -->
     <string name="tab_tray_close_tabs_banner_negative_button_text">ยกเลิก</string>
 
+    <!-- Text for the positive action button to go to Settings for auto close tabs. -->
+    <string name="tab_tray_grid_view_banner_positive_button_text">ไปยังการตั้งค่า</string>
+    <!-- Text for the negative action button to dismiss the Close Tabs Banner. -->
+    <string name="tab_tray_grid_view_banner_negative_button_text">ปิด</string>
+
     <!-- Home screen icons - Long press shortcuts -->
     <!-- Shortcut action to open new tab -->
     <string name="home_screen_shortcut_open_new_tab_2">แท็บใหม่</string>
@@ -431,6 +440,10 @@
     <string name="preferences_marketing_data">ข้อมูลการตลาด</string>
     <!-- Preference description for marketing data collection, parameter is the app name (e.g. Firefox) -->
     <string name="preferences_marketing_data_description">แบ่งปันข้อมูลเกี่ยวกับคุณลักษณะที่คุณใช้ใน %1$s กับ Leanplum ผู้ให้บริการการตลาดมือถือของเรา</string>
+    <!-- Title for studies preferences -->
+    <string name="preference_experiments_2">การศึกษา</string>
+    <!-- Summary for studies preferences -->
+    <string name="preference_experiments_summary_2">อนุญาตให้ Mozilla ติดตั้งและเรียกใช้การศึกษา</string>
     <!-- Title for experiments preferences -->
     <string name="preference_experiments">การทดลอง</string>
     <!-- Summary for experiments preferences -->
@@ -579,6 +592,8 @@
     <string name="tab_tray_title">แท็บที่เปิด</string>
     <!-- Text shown in the menu for saving tabs to a collection -->
     <string name="tab_tray_menu_item_save">บันทึกไปยังชุดสะสม</string>
+    <!-- Text shown in the menu for the collection selector -->
+    <string name="tab_tray_menu_select">เลือก</string>
     <!-- Text shown in the menu for sharing all tabs -->
     <string name="tab_tray_menu_item_share">แบ่งปันแท็บทั้งหมด</string>
     <!-- Text shown in the menu to view recently closed tabs -->
@@ -593,8 +608,18 @@
     <string name="tab_tray_menu_home">ไปยังหน้าแรก</string>
     <!-- Shortcut action to toggle private mode -->
     <string name="tab_tray_menu_toggle">สลับโหมดแท็บ</string>
+    <!-- Text shown in the multiselect menu for bookmarking selected tabs. -->
+    <string name="tab_tray_multiselect_menu_item_bookmark">ที่คั่นหน้า</string>
+    <!-- Text shown in the multiselect menu for closing selected tabs. -->
+    <string name="tab_tray_multiselect_menu_item_close">ปิด</string>
+    <!-- Content description for tabs tray multiselect share button -->
+    <string name="tab_tray_multiselect_share_content_description">แบ่งปันแท็บที่เลือก</string>
+    <!-- Content description for tabs tray multiselect menu -->
+    <string name="tab_tray_multiselect_menu_content_description">เมนูแท็บที่เลือก</string>
     <!-- Content description (not visible, for screen readers etc.): Removes tab from collection button. Removes the selected tab from collection when pressed -->
     <string name="remove_tab_from_collection">เอาแท็บออกจากชุดสะสม</string>
+    <!-- Text for button to enter multiselect mode in tabs tray -->
+    <string name="tabs_tray_select_tabs">เลือกแท็บ</string>
     <!-- Content description (not visible, for screen readers etc.): Close tab button. Closes the current session when pressed -->
     <string name="close_tab">ปิดแท็บ</string>
     <!-- Content description (not visible, for screen readers etc.): Close tab <title> button. First parameter is tab title  -->
@@ -966,6 +991,12 @@
     <string name="snackbar_tab_closed">ปิดแท็บแล้ว</string>
     <!-- Text shown in snackbar when user closes all tabs -->
     <string name="snackbar_tabs_closed">ปิดแท็บแล้ว</string>
+    <!-- Text shown in snackbar when user closes tabs -->
+    <string name="snackbar_message_tabs_closed">ปิดแท็บแล้ว!</string>
+    <!-- Text shown in snackbar when user bookmarks a list of tabs -->
+    <string name="snackbar_message_bookmarks_saved">บันทึกที่คั่นหน้าแล้ว!</string>
+    <!-- Text shown in snackbar action for viewing bookmarks -->
+    <string name="snackbar_message_bookmarks_view">ดู</string>
     <!-- Text shown in snackbar when user adds a site to top sites -->
     <string name="snackbar_added_to_top_sites">เพิ่มไปยังไซต์เด่นแล้ว!</string>
     <!-- Text shown in snackbar when user closes a private tab -->