diff --git a/app/src/main/res/values-ko/strings.xml b/app/src/main/res/values-ko/strings.xml
index 56aa72a453..a085fda618 100644
--- a/app/src/main/res/values-ko/strings.xml
+++ b/app/src/main/res/values-ko/strings.xml
@@ -17,6 +17,8 @@
     <!-- Placeholder text shown in the search bar before a user enters text -->
     <string name="search_hint">검색어 또는 주소 입력</string>
 
+    <!-- Placeholder text shown in the search bar when using application search engines -->
+    <string name="application_search_hint">검색어 입력</string>
     <!-- No Open Tabs Message Description -->
     <string name="no_open_tabs_description">열린 탭이 여기에 표시됩니다.</string>
 
@@ -43,8 +45,6 @@
     <!-- Home - Recently saved bookmarks -->
     <!-- Title for the home screen section with recently saved bookmarks. -->
     <string name="recent_bookmarks_title">최근 북마크</string>
-    <!-- Content description for the recently saved bookmarks section on the home screen. -->
-    <string moz:removedIn="100" name="recently_saved_bookmarks_content_description" tools:ignore="UnusedResources">최근에 저장된 북마크</string>
     <!-- Title for the button which navigates the user to show all of their saved bookmarks. -->
     <string moz:removedIn="101" name="recently_saved_show_all" tools:ignore="UnusedResources">모두 표시</string>
     <!-- Content description for the button which navigates the user to show all of their saved bookmarks. -->
@@ -245,8 +245,6 @@
     <string name="search_suggestions_onboarding_title">사생활 보호 세션에서 검색 제안을 허용하시겠습니까?</string>
     <!-- Search suggestion onboarding hint description text, first parameter is the name of the app defined in app_name (for example: Fenix)-->
     <string name="search_suggestions_onboarding_text">%s는 주소 표시줄에 입력한 모든 것을 기본 검색 엔진과 공유합니다.</string>
-    <!-- Search suggestion onboarding hint Learn more link text -->
-    <string moz:RemovedIn="100" name="search_suggestions_onboarding_learn_more_link" tools:ignore="UnusedResources">더 알아보기</string>
 
     <!-- Search engine suggestion title text. The first parameter is the name of teh suggested engine-->
     <string name="search_engine_suggestions_title">%s 검색</string>
@@ -739,7 +737,7 @@
     <!-- Open tabs menu item to save tabs to collection -->
     <string name="tabs_menu_save_to_collection1">탭을 모음집에 저장</string>
     <!-- Content description (not visible, for screen readers etc.): Opens the tab menu when pressed -->
-    <string name="tab_menu">탭 메뉴</string>
+    <string moz:RemovedIn="103" name="tab_menu" tools:ignore="UnusedResources">탭 메뉴</string>
 
     <!-- Text for the menu button to delete a collection -->
     <string name="collection_delete">모음집 삭제</string>
@@ -1215,40 +1213,12 @@
     <!-- Text for the snackbar confirmation that the history group was deleted -->
     <string name="delete_history_group_snackbar">그룹 삭제됨</string>
 
-    <!-- Tips -->
-    <!-- text for firefox preview moving tip header "Firefox Preview" and "Firefox Nightly" are intentionally hardcoded -->
-    <string moz:RemovedIn="100" name="tip_firefox_preview_moved_header" tools:ignore="UnusedResources">Firefox Preview는 이제 Firefox Nightly입니다</string>
-    <!-- text for firefox preview moving tip description -->
-    <string moz:RemovedIn="100" name="tip_firefox_preview_moved_description" tools:ignore="UnusedResources">Firefox Nightly는 매일 밤 업데이트되며 실험적인 새로운 기능을 제공합니다.
-        단, 안정성이 떨어질 수 있습니다. 보다 안정적인 환경을 위해 Beta 브라우저를 다운로드하세요.</string>
-
-    <!-- text for firefox preview moving tip button. "Firefox for Android Beta" is intentionally hardcoded -->
-    <string moz:RemovedIn="100" name="tip_firefox_preview_moved_button_2" tools:ignore="UnusedResources">Android용 Firefox Beta 받기</string>
-
-    <!-- text for firefox preview moving tip header. "Firefox Nightly" is intentionally hardcoded -->
-    <string moz:RemovedIn="100" name="tip_firefox_preview_moved_header_preview_installed" tools:ignore="UnusedResources">Firefox Nightly가 이동했습니다</string>
-    <!-- text for firefox preview moving tip description -->
-    <string moz:RemovedIn="100" name="tip_firefox_preview_moved_description_preview_installed" tools:ignore="UnusedResources">이 앱은 더 이상 보안 업데이트를 받지 않습니다. 이 앱 사용을 중단하고 새로운 Nightly로 전환하세요.
-        \n\n북마크, 로그인 및 기록을 다른 앱으로 전송하려면, Firefox 계정을 만드세요.</string>
-    <!-- text for firefox preview moving tip button  -->
-    <string moz:RemovedIn="100" name="tip_firefox_preview_moved_button_preview_installed" tools:ignore="UnusedResources">새로운 Nightly로 전환</string>
-
-    <!-- text for firefox preview moving tip header. "Firefox Nightly" is intentionally hardcoded -->
-    <string moz:RemovedIn="100" name="tip_firefox_preview_moved_header_preview_not_installed" tools:ignore="UnusedResources">Firefox Nightly가 이동했습니다</string>
-    <!-- text for firefox preview moving tip description -->
-    <string moz:RemovedIn="100" name="tip_firefox_preview_moved_description_preview_not_installed" tools:ignore="UnusedResources">이 앱은 더 이상 보안 업데이트를 받지 않습니다. 새로운 Nightly를 받고 이 앱 사용을 중단하세요.
-        \n\n북마크, 로그인 및 기록을 다른 앱으로 전송하려면, Firefox 계정을 만드세요.</string>
-    <!-- text for firefox preview moving tip button  -->
-    <string moz:RemovedIn="100" name="tip_firefox_preview_moved_button_preview_not_installed" tools:ignore="UnusedResources">새로운 Nightly 받기</string>
-
     <!-- Onboarding -->
     <!-- Text for onboarding welcome message
     The first parameter is the name of the app (e.g. Firefox Preview) -->
     <string name="onboarding_header">%s에 오신걸 환영합니다!</string>
     <!-- text for the Firefox account onboarding sign in card header. The word "Firefox" should not be translated -->
     <string name="onboarding_account_sign_in_header_1">기기 간에 Firefox 동기화</string>
-    <!-- text for the Firefox account onboarding sign in card header. The first parameter is the name of the application.-->
-    <string moz:RemovedIn="100" name="onboarding_account_sign_in_header_2" tools:ignore="UnusedResources">기기 간에 %1$s 동기화</string>
     <!-- Text for the button to learn more about signing in to your Firefox account. The first parameter is the name of the application.-->
     <string name="onboarding_manual_sign_in_description_2">이 기기의 %1$s에 북마크, 기록 및 비밀번호를 가져오세요.</string>
     <!-- text for the button to manually sign into Firefox account. -->
@@ -1668,8 +1638,10 @@
     <string name="addresses_street_address">도로 주소</string>
     <!-- The header for the city of an address -->
     <string name="addresses_city">도시</string>
-    <!-- The header for the state of an address -->
+    <!-- The header for the subregion of an address when "state" should be used -->
     <string name="addresses_state">주</string>
+    <!-- The header for the subregion of an address when "province" should be used -->
+    <string name="addresses_province">주</string>
     <!-- The header for the zip code of an address -->
     <string name="addresses_zip">우편 번호</string>
     <!-- The header for the country or region of an address -->
@@ -1736,20 +1708,6 @@
     <!-- Text shown when a user successfully deletes a custom search engine -->
     <string name="search_delete_search_engine_success_message">%s 삭제됨</string>
 
-    <!-- Title text shown for the migration screen to the new browser. Placeholder replaced with app name -->
-    <string moz:removedIn="100" name="migration_title" tools:ignore="UnusedResources">완전히 새로워진 %s에 오신 것을 환영합니다</string>
-
-    <!-- Description text followed by a list of things migrating (e.g. Bookmarks, History). Placeholder replaced with app name-->
-    <string moz:removedIn="100" name="migration_description" tools:ignore="UnusedResources">온라인에서 더 많은 작업을 할 수 있도록 향상된 성능과 기능으로 완전히 새롭게 디자인 된 브라우저가 기다리고 있습니다.\n\n%s를 마이그레이션 및 업데이트하는 동안 기다려주세요</string>
-    <!-- Text on the disabled button while in progress. Placeholder replaced with app name -->
-    <string moz:removedIn="100" name="migration_updating_app_button_text" tools:ignore="UnusedResources">%s 업데이트 중…</string>
-    <!-- Text on the enabled button. Placeholder replaced with app name-->
-    <string moz:removedIn="100" name="migration_update_app_button" tools:ignore="UnusedResources">%s 시작</string>
-    <!-- Accessibility description text for a completed migration item -->
-    <string moz:removedIn="100" name="migration_icon_description" tools:ignore="UnusedResources">마이그레이션 완료</string>
-    <!--Text on list of migrated items (e.g. Settings, History, etc.)-->
-    <string moz:removedIn="100" name="migration_text_passwords" tools:ignore="UnusedResources">비밀번호</string>
-
     <!-- Heading for the instructions to allow a permission -->
     <string name="phone_feature_blocked_intro">허용하려면:</string>
     <!-- First step for the allowing a permission -->
@@ -1844,8 +1802,6 @@
 
     <!-- Text displayed when user has no tabs that have been synced -->
     <string name="synced_tabs_no_tabs">다른 기기의 Firefox에서 열린 탭이 없습니다.</string>
-    <!-- Text displayed when user has no tabs that have been synced. The first parameter is the name of the application.-->
-    <string moz:RemovedIn="100" name="synced_tabs_no_tabs_2" tools:ignore="UnusedResources">다른 기기의 %1$s에서 열린 탭이 없습니다.</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">다른 기기의 탭 목록을 봅니다.</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 -->
@@ -1898,6 +1854,11 @@
     <!-- Content description for closing all inactive tabs -->
     <string name="inactive_tabs_delete_all">모든 비활성 탭 닫기</string>
 
+    <!-- Content description for expanding the inactive tabs section. -->
+    <string name="inactive_tabs_expand_content_description">비활성 탭 펼치기</string>
+    <!-- Content description for collapsing the inactive tabs section. -->
+    <string name="inactive_tabs_collapse_content_description">비활성 탭 접기</string>
+
     <!-- Inactive tabs auto-close message in the tabs tray -->
     <!-- The header text of the auto-close message when the user is asked if they want to turn on the auto-closing of inactive tabs. -->
     <string name="inactive_tabs_auto_close_message_header" tools:ignore="UnusedResources">한 달 후 자동 닫기를 하시겠습니까?</string>