diff --git a/app/src/main/res/values-rm/strings.xml b/app/src/main/res/values-rm/strings.xml
index 09eff8fca..391cb6c5a 100644
--- a/app/src/main/res/values-rm/strings.xml
+++ b/app/src/main/res/values-rm/strings.xml
@@ -39,9 +39,9 @@
     <!-- Title for the home screen section with recently saved bookmarks. -->
     <string name="recent_bookmarks_title">Tschernì dacurt sco segnapagina</string>
     <!-- Content description for the recently saved bookmarks section on the home screen. -->
-    <string name="recently_saved_bookmarks_content_description">Segnapaginas memorisads dacurt</string>
+    <string moz:removedIn="100" name="recently_saved_bookmarks_content_description" tools:ignore="UnusedResources">Segnapaginas memorisads dacurt</string>
     <!-- Title for the button which navigates the user to show all of their saved bookmarks. -->
-    <string name="recently_saved_show_all">Mussar tut</string>
+    <string moz:removedIn="101" name="recently_saved_show_all" tools:ignore="UnusedResources">Mussar tut</string>
     <!-- Content description for the button which navigates the user to show all of their saved bookmarks. -->
     <string name="recently_saved_show_all_content_description_2">Mussar tut ils segnapaginas memorisads</string>
 
@@ -176,8 +176,6 @@
     <string name="browser_menu_add_to_homescreen">Agiuntar al visur da partenza</string>
     <!-- Browser menu toggle that installs a Progressive Web App shortcut to the site on the device home screen. -->
     <string name="browser_menu_install_on_homescreen">Installar</string>
-    <!-- Menu option on the toolbar that takes you to synced tabs page-->
-    <string moz:removedIn="98" name="synced_tabs" tools:ignore="UnusedResources">Tabs sincronisads</string>
     <!-- Content description (not visible, for screen readers etc.) for the Resync tabs button -->
     <string name="resync_button_content_description">Resincronisar</string>
     <!-- Browser menu button that opens the find in page menu -->
@@ -209,8 +207,6 @@
     <!-- Browser menu label for editing a bookmark -->
     <string name="browser_menu_edit">Modifitgar</string>
 
-    <!-- Browser menu button that opens the Customize menu -->
-    <string moz:removedIn="98" name="browser_menu_customize_home" tools:ignore="UnusedResources">Persunalisar la pagina da partenza</string>
     <!-- Button shown on the home page that opens the Customize home settings -->
     <string name="browser_menu_customize_home_1">Persunalisar la pagina da partenza</string>
     <!-- Browser Toolbar -->
@@ -326,6 +322,26 @@
     <string name="preferences_screenshots_in_private_mode_disclaimer">Sche permess, èn tabs privats era visibels en cas che pliras apps èn avertas</string>
     <!-- Preference for adding private browsing shortcut -->
     <string name="preferences_add_private_browsing_shortcut">Agiuntar ina scursanida al modus privat</string>
+    <!-- Preference for enabling "HTTPS-Only" mode -->
+    <string name="preferences_https_only_title">Modus mo HTTPS</string>
+    <!-- Description of the preference to enable "HTTPS-Only" mode. -->
+    <string name="preferences_https_only_summary">Empruvar da connectar automaticamain cun websites cun agid dal protocol da criptadi HTTPS per dapli segirezza.</string>
+    <!-- Summary of tracking protection preference if tracking protection is set to on -->
+    <string name="preferences_https_only_on">Activà</string>
+    <!-- Summary of tracking protection preference if tracking protection is set to off -->
+    <string name="preferences_https_only_off">Deactivà</string>
+    <!-- Text displayed that links to website containing documentation about "HTTPS-Only" mode -->
+    <string name="preferences_http_only_learn_more">Ulteriuras infurmaziuns</string>
+    <!-- Option for the https only setting -->
+    <string name="preferences_https_only_in_all_tabs">Activar en tut ils tabs</string>
+    <!-- Option for the https only setting -->
+    <string name="preferences_https_only_in_private_tabs">Activar mo en tabs privats</string>
+    <!-- Title shown in the error page for when trying to access a http website while https only mode is enabled. -->
+    <string name="errorpage_httpsonly_title">Website segirada betg disponibla</string>
+    <!-- Message shown in the error page for when trying to access a http website while https only mode is enabled. The message has two paragraphs. This is the first. -->
+    <string name="errorpage_httpsonly_message_title">Probablamain na sustegna la website simplamain betg HTTPS.</string>
+    <!-- Message shown in the error page for when trying to access a http website while https only mode is enabled. The message has two paragraphs. This is the second. -->
+    <string name="errorpage_httpsonly_message_summary">Tuttina èsi pussaivel ch\'i sa tracta dad ina attatga. Sche ti visitas la website, na duessas ti endatar naginas infurmaziuns sensiblas. Sche ti cuntinueschas vegn il modus mo HTTPS deactivà temporarmain per la website.</string>
     <!-- Preference for accessibility -->
     <string name="preferences_accessibility">Accessibladad</string>
     <!-- Preference to override the Firefox Account server -->
@@ -1058,8 +1074,10 @@
     <!-- Text shown in snackbar when user bookmarks a list of tabs -->
     <string name="snackbar_message_bookmarks_saved">Memorisà ils segnapaginas!</string>
     <!-- Text shown in snackbar when user adds a site to top sites -->
-    <string name="snackbar_added_to_top_sites">Agiuntà a las paginas principalas!</string>
+    <string moz:RemovedIn="101" name="snackbar_added_to_top_sites" tools:ignore="UnusedResources">Agiuntà a las paginas principalas!</string>
 
+    <!-- Text shown in snackbar when user adds a site to shortcuts -->
+    <string name="snackbar_added_to_shortcuts">Agiuntà a las scursanidas!</string>
     <!-- Text shown in snackbar when user closes a private tab -->
     <string name="snackbar_private_tab_closed">Serrà il tab privat</string>
     <!-- Text shown in snackbar when user closes all private tabs -->
@@ -1619,18 +1637,18 @@
     <string name="search_delete_search_engine_success_message">Stizzà %s</string>
 
     <!-- Title text shown for the migration screen to the new browser. Placeholder replaced with app name -->
-    <string name="migration_title">Bainvegni al %s cumplettamain nov</string>
+    <string moz:removedIn="100" name="migration_title" tools:ignore="UnusedResources">Bainvegni al %s cumplettamain nov</string>
 
     <!-- Description text followed by a list of things migrating (e.g. Bookmarks, History). Placeholder replaced with app name-->
-    <string name="migration_description">In navigatur renovà da fund ensi ta spetga, cun meglra prestaziun e funcziuns che simplifitgeschan tia vita oline.\n\nSpetga per plaschair durant che %s vegn actualisà cun tes</string>
+    <string moz:removedIn="100" name="migration_description" tools:ignore="UnusedResources">In navigatur renovà da fund ensi ta spetga, cun meglra prestaziun e funcziuns che simplifitgeschan tia vita oline.\n\nSpetga per plaschair durant che %s vegn actualisà cun tes</string>
     <!-- Text on the disabled button while in progress. Placeholder replaced with app name -->
-    <string name="migration_updating_app_button_text">Actualisar %s…</string>
+    <string moz:removedIn="100" name="migration_updating_app_button_text" tools:ignore="UnusedResources">Actualisar %s…</string>
     <!-- Text on the enabled button. Placeholder replaced with app name-->
-    <string name="migration_update_app_button">Aviar %s</string>
+    <string moz:removedIn="100" name="migration_update_app_button" tools:ignore="UnusedResources">Aviar %s</string>
     <!-- Accessibility description text for a completed migration item -->
-    <string name="migration_icon_description">Migraziun cumplettada</string>
+    <string moz:removedIn="100" name="migration_icon_description" tools:ignore="UnusedResources">Migraziun cumplettada</string>
     <!--Text on list of migrated items (e.g. Settings, History, etc.)-->
-    <string name="migration_text_passwords">Pleds-clav</string>
+    <string moz:removedIn="100" name="migration_text_passwords" tools:ignore="UnusedResources">Pleds-clav</string>
 
     <!-- Heading for the instructions to allow a permission -->
     <string name="phone_feature_blocked_intro">Per lubir:</string>
@@ -1660,9 +1678,13 @@
     <!-- Bookmark deletion confirmation -->
     <string name="bookmark_deletion_confirmation">Vuls ti propi stizzar quest segnapagina?</string>
     <!-- Browser menu button that adds a top site to the home fragment -->
-    <string name="browser_menu_add_to_top_sites">Agiuntar a las paginas principalas</string>
+    <string moz:RemovedIn="101" name="browser_menu_add_to_top_sites" tools:ignore="UnusedResources">Agiuntar a las paginas principalas</string>
     <!-- Browser menu button that removes a top site from the home fragment -->
-    <string name="browser_menu_remove_from_top_sites">Allontanar da las paginas preferidas</string>
+    <string moz:RemovedIn="101" name="browser_menu_remove_from_top_sites" tools:ignore="UnusedResources">Allontanar da las paginas preferidas</string>
+    <!-- Browser menu button that adds a shortcut to the home fragment -->
+    <string name="browser_menu_add_to_shortcuts">Agiuntar a las scursanidas</string>
+    <!-- Browser menu button that removes a shortcut from the home fragment -->
+    <string name="browser_menu_remove_from_shortcuts">Allontanar da las scursanidas</string>
     <!-- text shown before the issuer name to indicate who its verified by, parameter is the name of
      the certificate authority that verified the ticket-->
     <string name="certificate_info_verified_by">Verifitgà da: %1$s</string>
@@ -1738,21 +1760,24 @@
 
     <!-- Top Sites -->
     <!-- Title text displayed in the dialog when top sites limit is reached. -->
-    <string name="top_sites_max_limit_title">Cuntanschì la limita da paginas preferidas</string>
+    <string moz:RemovedIn="101" name="top_sites_max_limit_title" tools:ignore="UnusedResources">Cuntanschì la limita da paginas preferidas</string>
+    <!-- Title text displayed in the dialog when shortcuts limit is reached. -->
+    <string name="shortcut_max_limit_title">Cuntanschì il dumber maximal da scursanidas</string>
     <!-- Content description text displayed in the dialog when top sites limit is reached. -->
-    <string name="top_sites_max_limit_content_2">Per pudair agiuntar ina nova pagina preferida stos ti l\'emprim allontanar in\'autra. Tegna smatgà la pagina e tscherna «Allontanar».</string>
+    <string moz:RemovedIn="101" name="top_sites_max_limit_content_2" tools:ignore="UnusedResources">Per pudair agiuntar ina nova pagina preferida stos ti l\'emprim allontanar in\'autra. Tegna smatgà la pagina e tscherna «Allontanar».</string>
+    <!-- Content description text displayed in the dialog when shortcut limit is reached. -->
+    <string name="shortcut_max_limit_content">Per agiuntar ina nova scursanida stos ti l\'emprim allontanar in\'autra. Tegna smatgà la pagina e tscherna «Allontanar».</string>
     <!-- Confirmation dialog button text when top sites limit is reached. -->
     <string name="top_sites_max_limit_confirmation_button">OK, chapì</string>
 
-    <!-- Label for the preference to show the shortcuts for the most visited top sites on the homepage -->
-    <string moz:removedIn="98" name="top_sites_toggle_top_recent_sites_3" tools:ignore="UnusedResources">Las websites principalas visitadas il pli savens</string>
-
     <!-- Label for the preference to show the shortcuts for the most visited top sites on the homepage -->
     <string name="top_sites_toggle_top_recent_sites_4">Scursanidas</string>
 	<!-- Title text displayed in the rename top site dialog. -->
 	<string name="top_sites_rename_dialog_title">Num</string>
 	<!-- Hint for renaming title of a top site -->
-	<string name="top_site_name_hint">Num da la pagina principala</string>
+	<string moz:RemovedIn="101" name="top_site_name_hint" tools:ignore="UnusedResources">Num da la pagina principala</string>
+    <!-- Hint for renaming title of a shortcut -->
+    <string name="shortcut_name_hint">Num da la scursanida</string>
 	<!-- Button caption to confirm the renaming of the top site. -->
 	<string name="top_sites_rename_dialog_ok">OK</string>
 	<!-- Dialog button text for canceling the rename top site prompt. -->
@@ -1829,4 +1854,9 @@
     <string name="pocket_stories_feature_caption">Part da la paletta da products Firefox. %s</string>
     <!-- Clickable text for opening an external link for more information about Pocket. -->
     <string name="pocket_stories_feature_learn_more">Ulteriuras infurmaziuns</string>
+
+    <!-- Snackbar message for enrolling in a Nimbus experiment from the secret settings when Studies preference is Off.-->
+    <string name="experiments_snackbar">Activar la telemetria per trametter datas.</string>
+    <!-- Snackbar button text to navigate to telemetry settings.-->
+    <string name="experiments_snackbar_button">Ir als parameters</string>
 </resources>