diff --git a/app/src/main/res/values-kab/strings.xml b/app/src/main/res/values-kab/strings.xml
index 2a0f9e19c..5f8403550 100644
--- a/app/src/main/res/values-kab/strings.xml
+++ b/app/src/main/res/values-kab/strings.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<resources>
+<resources xmlns:tools="http://schemas.android.com/tools">
     <!-- App name for private browsing mode. The first parameter is the name of the app defined in app_name (for example: Fenix)-->
     <string name="app_name_private_5">Uslig %s</string>
     <!-- App name for private browsing mode. The first parameter is the name of the app defined in app_name (for example: Fenix)-->
@@ -122,6 +122,11 @@ Tiktiwin tigejdanin yuzzlen ur nṣeḥḥi ara
     <!-- Button text for showing all the tabs in the tabs tray -->
     <string name="recent_tabs_show_all">Sken kullec</string>
 
+    <!-- History Metadata -->
+    <!-- Header text for a section on the home screen that displays grouped highlights from the
+         user's browsing history, such as topics they have researched or explored on the web -->
+    <string name="history_metadata_header">Isniram yezrin</string>
+
     <!-- Browser Fragment -->
     <!-- Content description (not visible, for screen readers etc.): Navigate to open tabs -->
     <string name="browser_tabs_button">Ldi icarren</string>
@@ -632,6 +637,22 @@ Tiktiwin tigejdanin yuzzlen ur nṣeḥḥi ara
     <!-- Summary for tabs preference when auto closing tabs setting is set to auto close tabs after one month-->
     <string name="close_tabs_after_one_month_summary">Mdel seld yiwen wayyur</string>
 
+    <!-- Studies -->
+    <!-- Title of the remove studies button -->
+    <string name="studies_remove">Kkes</string>
+    <!-- Title of the active section on the studies list -->
+    <string name="studies_active">Rmed</string>
+    <!-- Description for studies, it indicates why Firefox use studies -->
+    <string name="studies_description">Firefox yezmer ad isebded yerna ad iseddu leqraya seg wakud ɣer wayeḍ.</string>
+    <!-- Learn more link for studies, links to an article for more information about studies. -->
+    <string name="studies_learn_more">Issin ugar</string>
+    <!-- Dialog message shown after removing a study -->
+    <string name="studies_restart_app">Asnas ad yemdel i wakken ad ttusnasen ibiddilen</string>
+    <!-- Dialog button to confirm the removing a study. -->
+    <string name="studies_restart_dialog_ok">IH</string>
+    <!-- Dialog button text for canceling removing a study. -->
+    <string name="studies_restart_dialog_cancel">Sefsex</string>
+
     <!-- Sessions -->
     <!-- Title for the list of tabs -->
     <string name="tab_header_label">Iccaren yeldin</string>
@@ -659,6 +680,8 @@ Tiktiwin tigejdanin yuzzlen ur nṣeḥḥi ara
     <string name="tab_tray_menu_item_share">Bḍu akk accaren</string>
     <!-- Text shown in the menu to view recently closed tabs -->
     <string name="tab_tray_menu_recently_closed">Iccaren imedlen melmi kan</string>
+    <!-- Text shown in the tabs tray inactive tabs section -->
+    <string name="tab_tray_inactive_recently_closed">Yettwamdel melmi kan</string>
     <!-- Text shown in the menu to view account settings -->
     <string name="tab_tray_menu_account_settings">Iɣewwaṛen n umiḍan</string>
     <!-- Text shown in the menu to view tab settings -->
@@ -957,6 +980,11 @@ Tiktiwin tigejdanin yuzzlen ur nṣeḥḥi ara
     <!-- Summary of delete browsing data on quit preference if it is set to off -->
     <string name="delete_browsing_data_quit_off">Insa</string>
 
+    <!-- Summary of studies preference if it is set to on -->
+    <string name="studies_on">Yermed</string>
+    <!-- Summary of studies data on quit preference if it is set to off -->
+    <string name="studies_off">Yensa</string>
+
     <!-- Collections -->
     <!-- Collections header on home fragment -->
     <string name="collections_header">Tigrummiwin</string>
@@ -1119,7 +1147,7 @@ Tiktiwin tigejdanin yuzzlen ur nṣeḥḥi ara
     <!-- Tab collection deletion prompt dialog option to delete the collection -->
     <string name="tab_collection_dialog_positive">Kkes</string>
     <!-- Tab collection deletion prompt dialog option to cancel deleting the collection -->
-    <string name="tab_collection_dialog_negative">Sefsex</string>
+    <string name="tab_collection_dialog_negative" tools:ignore="UnusedResources">Sefsex</string>
     <!-- Text displayed in a notification when the user enters full screen mode -->
     <string name="full_screen_notification">Askar n ugdil ačaran yermed</string>
     <!-- Message for copying the URL via long press on the toolbar -->
@@ -1286,7 +1314,7 @@ Tiktiwin tigejdanin yuzzlen ur nṣeḥḥi ara
     <string name="onboarding_privacy_notice_read_button">Ɣer tasertit-nneɣ n tbaḍnit</string>
 
     <!-- Content description (not visible, for screen readers etc.): Close onboarding screen -->
-    <string name="onboarding_close">Mdel</string>
+    <string name="onboarding_close" tools:ignore="UnusedResources">Mdel</string>
 
     <!-- text for the button to finish onboarding -->
     <string name="onboarding_finish">Bdu tunigin</string>
@@ -1389,6 +1417,9 @@ Tiktiwin tigejdanin yuzzlen ur nṣeḥḥi ara
     <string name="preference_enhanced_tracking_protection_custom_cryptominers">Ikripṭuminaren</string>
     <!-- Preference for enhanced tracking protection for the custom protection settings -->
     <string name="preference_enhanced_tracking_protection_custom_fingerprinters">Idsilen umḍinen</string>
+    <!-- Button label for navigating to the Enhanced Tracking Protection details -->
+    <string name="enhanced_tracking_protection_details">Talqayt</string>
+    <!-- Header for categories that are being being blocked by current Enhanced Tracking Protection settings -->
     <string name="enhanced_tracking_protection_blocked">Iwḥel</string>
     <!-- Header for categories that are being not being blocked by current Enhanced Tracking Protection settings -->
     <string name="enhanced_tracking_protection_allowed">Ittusireg</string>
@@ -1414,7 +1445,7 @@ Tiktiwin tigejdanin yuzzlen ur nṣeḥḥi ara
     <!-- Description of tracking content that can be blocked by Enhanced Tracking Protection -->
     <string name="etp_tracking_content_description">Ad isewḥel adellel, tividyutin akked ugbur-nniḍen i d-yekka beṛṛa n usmel, win i igebren tangalt n uḍfaṛ. Izmer ad iḥaz kra n tmahilin n usmel.</string>
     <!-- Enhanced Tracking Protection Onboarding Message shown in a dialog above the toolbar. The first parameter is the name of the application (For example: Fenix) -->
-    <string name="etp_onboarding_cfr_message">Yal mi ara yili urti d ajenjaṛ, %s isewḥel ineḍfaren ɣef usmel. Sit i wugar n talɣut.</string>
+    <string name="etp_onboarding_cfr_message" tools:ignore="UnusedResources">Yal mi ara yili urti d ajenjaṛ, %s isewḥel ineḍfaren ɣef usmel. Sit i wugar n talɣut.</string>
     <!-- Enhanced Tracking Protection message that protection is currently on for this site -->
     <string name="etp_panel_on">Ammesten yermed i usmel-a</string>
     <!-- Enhanced Tracking Protection message that protection is currently off for this site -->
@@ -1497,7 +1528,17 @@ Tiktiwin tigejdanin yuzzlen ur nṣeḥḥi ara
     <!-- Preference option for never saving passwords in Fenix -->
     <string name="preferences_passwords_save_logins_never_save">Urǧin sekles</string>
     <!-- Preference for autofilling saved logins in Fenix -->
-    <string name="preferences_passwords_autofill">Taččart tawurmant</string>
+    <string name="preferences_passwords_autofill" tools:ignore="UnusedResources">Taččart tawurmant</string>
+    <!-- Preference for autofilling saved logins in Firefox (in web content), %1$s will be replaced with the app name -->
+    <string name="preferences_passwords_autofill2">Ččar s wudem awurman %1$s</string>
+    <!-- Description for the preference for autofilling saved logins in Firefox (in web content), %1$s will be replaced with the app name -->
+    <string name="preferences_passwords_autofill_description">Ččar syen sekles ismawen n useqdac d wawalen uffiren ma tesseqdaceḍ %1$s.</string>
+    <!-- Preference for autofilling logins from Fenix in other apps (e.g. autofilling the Twitter app) -->
+    <string name="preferences_android_autofill">Ččar s wudem awurman deg yisnasen-nniḍen</string>
+
+    <!-- Description for the preference for autofilling logins from Fenix in other apps (e.g. autofilling the Twitter app) -->
+    <string name="preferences_android_autofill_description">Ččar ismawen n useqdac d wawalen uffiren deg yisnasen-nniḍen ɣef yibenk-ik·im.</string>
+
     <!-- Preference for syncing saved logins in Fenix -->
     <string name="preferences_passwords_sync_logins">Mtawi inekcam</string>
     <!-- Preference for syncing saved logins in Fenix, when not signed in-->
@@ -1678,7 +1719,7 @@ Tiktiwin tigejdanin yuzzlen ur nṣeḥḥi ara
     <!-- Placeholder text shown in the Search String TextField before a user enters text -->
     <string name="search_add_custom_engine_search_string_hint">Aḍris ara tnadiḍ</string>
     <!-- Description text for the Search String TextField. The %s is part of the string -->
-    <string name="search_add_custom_engine_search_string_example">Beddel aḍris n unadi “%s”. Amedya: \nhttps://www.google.com/search?q=%s</string>
+    <string formatted="false" name="search_add_custom_engine_search_string_example">Beddel aḍris n unadi “%s”. Amedya: \nhttps://www.google.com/search?q=%s</string>
     <!-- Text for the button to learn more about adding a custom search engine -->
     <string name="search_add_custom_engine_learn_more_label">Issin ugar</string>
 
@@ -1819,6 +1860,16 @@ Tiktiwin tigejdanin yuzzlen ur nṣeḥḥi ara
 	<!-- Dialog button text for canceling the rename top site prompt. -->
 	<string name="top_sites_rename_dialog_cancel">Sefsex</string>
 
+    <!-- In-activate tabs in the tabs tray -->
+    <!-- Title text displayed in the tabs tray when a tab has been unused for 4 days. -->
+    <string name="inactive_tabs_title">Accaren arurmiden</string>
+    <!-- A description below the section of "inactive" tabs to notify the user when those tabs will be closed, if appropriate. See strings inactive_tabs_30_days and inactive_tabs_7_days for placeholders options. -->
+    <string name="inactive_tabs_description">Accaren llan da i %s. Seld aya, accaren ad uɣalen ad medlen s wudem awurman.</string>
+    <!-- The amount of time until a tab in the "inactive" section of the tabs tray will be closed. See string inactive_tabs_description as well -->
+    <string name="inactive_tabs_30_days">30 wussan</string>
+    <!-- The amount of time until a tab in the "inactive" section of the tabs tray will be closed. See string inactive_tabs_description as well -->
+    <string name="inactive_tabs_7_days">1dduṛt</string>
+
     <!-- Default browser experiment -->
     <string name="default_browser_experiment_card_text">Sbadu iseɣwan seg yismal web, seg yimaylen d yiznan i twaledyawt s wudem awurman deg Firefox.</string>