diff --git a/locales/ar/browser/browser/zen-general.ftl b/locales/ar/browser/browser/zen-general.ftl
index eab8ae252..105dcc7a5 100644
--- a/locales/ar/browser/browser/zen-general.ftl
+++ b/locales/ar/browser/browser/zen-general.ftl
@@ -98,3 +98,12 @@ zen-site-data-panel-feature-callout-subtitle = Click the icon to manage site set
 zen-open-link-in-glance = 
     .label = Open Link in Glance
     .accesskey = G
+zen-sidebar-notification-updated-heading = Update Complete!
+# See ZenSidebarNotification.mjs to see how these would be used
+
+zen-sidebar-notification-updated-label = What's new in { -brand-short-name }
+zen-sidebar-notification-updated-tooltip = 
+    .title = View Release Notes
+zen-sidebar-notification-restart-safe-mode-label = Something broke?
+zen-sidebar-notification-restart-safe-mode-tooltip = 
+    .title = Restart in Safe Mode
diff --git a/locales/ca/browser/browser/zen-general.ftl b/locales/ca/browser/browser/zen-general.ftl
index 030c4cc35..e729ab26a 100644
--- a/locales/ca/browser/browser/zen-general.ftl
+++ b/locales/ca/browser/browser/zen-general.ftl
@@ -98,3 +98,12 @@ zen-site-data-panel-feature-callout-subtitle = Feu clic a la icona per gestionar
 zen-open-link-in-glance = 
     .label = Obre l'enllaç en un cop d'ull
     .accesskey = G
+zen-sidebar-notification-updated-heading = Actualització completada!
+# See ZenSidebarNotification.mjs to see how these would be used
+
+zen-sidebar-notification-updated-label = Novetats a { -brand-short-name }
+zen-sidebar-notification-updated-tooltip = 
+    .title = Mostra les notes de la versió
+zen-sidebar-notification-restart-safe-mode-label = Alguna cosa no funciona?
+zen-sidebar-notification-restart-safe-mode-tooltip = 
+    .title = Reinici en mode segur
diff --git a/locales/cs/browser/browser/zen-general.ftl b/locales/cs/browser/browser/zen-general.ftl
index 90ba335cc..155654d68 100644
--- a/locales/cs/browser/browser/zen-general.ftl
+++ b/locales/cs/browser/browser/zen-general.ftl
@@ -98,3 +98,12 @@ zen-site-data-panel-feature-callout-subtitle = Klikněte na ikonu pro správu na
 zen-open-link-in-glance = 
     .label = Otevřít odkaz v Glance
     .accesskey = G
+zen-sidebar-notification-updated-heading = Update Complete!
+# See ZenSidebarNotification.mjs to see how these would be used
+
+zen-sidebar-notification-updated-label = What's new in { -brand-short-name }
+zen-sidebar-notification-updated-tooltip = 
+    .title = View Release Notes
+zen-sidebar-notification-restart-safe-mode-label = Something broke?
+zen-sidebar-notification-restart-safe-mode-tooltip = 
+    .title = Restart in Safe Mode
diff --git a/locales/cy/browser/browser/zen-general.ftl b/locales/cy/browser/browser/zen-general.ftl
index f771903df..4f15648b8 100644
--- a/locales/cy/browser/browser/zen-general.ftl
+++ b/locales/cy/browser/browser/zen-general.ftl
@@ -98,3 +98,12 @@ zen-site-data-panel-feature-callout-subtitle = Click the icon to manage site set
 zen-open-link-in-glance = 
     .label = Open Link in Glance
     .accesskey = G
+zen-sidebar-notification-updated-heading = Update Complete!
+# See ZenSidebarNotification.mjs to see how these would be used
+
+zen-sidebar-notification-updated-label = What's new in { -brand-short-name }
+zen-sidebar-notification-updated-tooltip = 
+    .title = View Release Notes
+zen-sidebar-notification-restart-safe-mode-label = Something broke?
+zen-sidebar-notification-restart-safe-mode-tooltip = 
+    .title = Restart in Safe Mode
diff --git a/locales/da/browser/browser/zen-general.ftl b/locales/da/browser/browser/zen-general.ftl
index 343c2072d..cb9a9ff05 100644
--- a/locales/da/browser/browser/zen-general.ftl
+++ b/locales/da/browser/browser/zen-general.ftl
@@ -98,3 +98,12 @@ zen-site-data-panel-feature-callout-subtitle = Click the icon to manage site set
 zen-open-link-in-glance = 
     .label = Open Link in Glance
     .accesskey = G
+zen-sidebar-notification-updated-heading = Update Complete!
+# See ZenSidebarNotification.mjs to see how these would be used
+
+zen-sidebar-notification-updated-label = What's new in { -brand-short-name }
+zen-sidebar-notification-updated-tooltip = 
+    .title = View Release Notes
+zen-sidebar-notification-restart-safe-mode-label = Something broke?
+zen-sidebar-notification-restart-safe-mode-tooltip = 
+    .title = Restart in Safe Mode
diff --git a/locales/de/browser/browser/zen-general.ftl b/locales/de/browser/browser/zen-general.ftl
index 09b6a5b15..b951ee02b 100644
--- a/locales/de/browser/browser/zen-general.ftl
+++ b/locales/de/browser/browser/zen-general.ftl
@@ -98,3 +98,12 @@ zen-site-data-panel-feature-callout-subtitle = Klicke auf das Symbol, um Website
 zen-open-link-in-glance = 
     .label = Link in Glance öffnen
     .accesskey = G
+zen-sidebar-notification-updated-heading = Update Complete!
+# See ZenSidebarNotification.mjs to see how these would be used
+
+zen-sidebar-notification-updated-label = What's new in { -brand-short-name }
+zen-sidebar-notification-updated-tooltip = 
+    .title = View Release Notes
+zen-sidebar-notification-restart-safe-mode-label = Something broke?
+zen-sidebar-notification-restart-safe-mode-tooltip = 
+    .title = Restart in Safe Mode
diff --git a/locales/el/browser/browser/zen-general.ftl b/locales/el/browser/browser/zen-general.ftl
index 30770a89f..3ed8934be 100644
--- a/locales/el/browser/browser/zen-general.ftl
+++ b/locales/el/browser/browser/zen-general.ftl
@@ -98,3 +98,12 @@ zen-site-data-panel-feature-callout-subtitle = Click the icon to manage site set
 zen-open-link-in-glance = 
     .label = Open Link in Glance
     .accesskey = G
+zen-sidebar-notification-updated-heading = Update Complete!
+# See ZenSidebarNotification.mjs to see how these would be used
+
+zen-sidebar-notification-updated-label = What's new in { -brand-short-name }
+zen-sidebar-notification-updated-tooltip = 
+    .title = View Release Notes
+zen-sidebar-notification-restart-safe-mode-label = Something broke?
+zen-sidebar-notification-restart-safe-mode-tooltip = 
+    .title = Restart in Safe Mode
diff --git a/locales/en-GB/browser/browser/zen-general.ftl b/locales/en-GB/browser/browser/zen-general.ftl
index cbfaa23b2..136714b8f 100644
--- a/locales/en-GB/browser/browser/zen-general.ftl
+++ b/locales/en-GB/browser/browser/zen-general.ftl
@@ -96,3 +96,12 @@ zen-site-data-panel-feature-callout-subtitle = Click the icon to manage site set
 zen-open-link-in-glance = 
     .label = Open Link in Glance
     .accesskey = G
+zen-sidebar-notification-updated-heading = Update Complete!
+# See ZenSidebarNotification.mjs to see how these would be used
+
+zen-sidebar-notification-updated-label = What's new in { -brand-short-name }
+zen-sidebar-notification-updated-tooltip = 
+    .title = View Release Notes
+zen-sidebar-notification-restart-safe-mode-label = Something broke?
+zen-sidebar-notification-restart-safe-mode-tooltip = 
+    .title = Restart in Safe Mode
diff --git a/locales/es-ES/browser/browser/zen-general.ftl b/locales/es-ES/browser/browser/zen-general.ftl
index ffbf76ef3..86314a0bb 100644
--- a/locales/es-ES/browser/browser/zen-general.ftl
+++ b/locales/es-ES/browser/browser/zen-general.ftl
@@ -98,3 +98,12 @@ zen-site-data-panel-feature-callout-subtitle = Haga clic en el icono para admini
 zen-open-link-in-glance = 
     .label = Abrir enlace en Glance
     .accesskey = G
+zen-sidebar-notification-updated-heading = ¡Actualización completada!
+# See ZenSidebarNotification.mjs to see how these would be used
+
+zen-sidebar-notification-updated-label = Novedades en { -brand-short-name }
+zen-sidebar-notification-updated-tooltip = 
+    .title = Ver notas de la versión
+zen-sidebar-notification-restart-safe-mode-label = ¿Algo dejó de funcionar?
+zen-sidebar-notification-restart-safe-mode-tooltip = 
+    .title = Reiniciar en modo seguro
diff --git a/locales/et/browser/browser/zen-general.ftl b/locales/et/browser/browser/zen-general.ftl
index 332aabcf1..2c3688cea 100644
--- a/locales/et/browser/browser/zen-general.ftl
+++ b/locales/et/browser/browser/zen-general.ftl
@@ -98,3 +98,12 @@ zen-site-data-panel-feature-callout-subtitle = Click the icon to manage site set
 zen-open-link-in-glance = 
     .label = Open Link in Glance
     .accesskey = G
+zen-sidebar-notification-updated-heading = Update Complete!
+# See ZenSidebarNotification.mjs to see how these would be used
+
+zen-sidebar-notification-updated-label = What's new in { -brand-short-name }
+zen-sidebar-notification-updated-tooltip = 
+    .title = View Release Notes
+zen-sidebar-notification-restart-safe-mode-label = Something broke?
+zen-sidebar-notification-restart-safe-mode-tooltip = 
+    .title = Restart in Safe Mode
diff --git a/locales/fa/browser/browser/zen-general.ftl b/locales/fa/browser/browser/zen-general.ftl
index c3d119ffa..a75a80563 100644
--- a/locales/fa/browser/browser/zen-general.ftl
+++ b/locales/fa/browser/browser/zen-general.ftl
@@ -98,3 +98,12 @@ zen-site-data-panel-feature-callout-subtitle = Click the icon to manage site set
 zen-open-link-in-glance = 
     .label = Open Link in Glance
     .accesskey = G
+zen-sidebar-notification-updated-heading = Update Complete!
+# See ZenSidebarNotification.mjs to see how these would be used
+
+zen-sidebar-notification-updated-label = What's new in { -brand-short-name }
+zen-sidebar-notification-updated-tooltip = 
+    .title = View Release Notes
+zen-sidebar-notification-restart-safe-mode-label = Something broke?
+zen-sidebar-notification-restart-safe-mode-tooltip = 
+    .title = Restart in Safe Mode
diff --git a/locales/fi/browser/browser/preferences/zen-preferences.ftl b/locales/fi/browser/browser/preferences/zen-preferences.ftl
index dbba7f1d7..eec5f9f4a 100644
--- a/locales/fi/browser/browser/preferences/zen-preferences.ftl
+++ b/locales/fi/browser/browser/preferences/zen-preferences.ftl
@@ -6,8 +6,8 @@ pane-zen-looks-title = Katso ja tunne
 category-zen-looks = 
     .tooltiptext = { pane-zen-looks-title }
 zen-warning-language = Muuttaminen oletuskieli voisi helpottaa Websites seurata sinua.
-zen-vertical-tabs-layout-header = Browser Layout
-zen-vertical-tabs-layout-description = Choose the layout that suits you best
+zen-vertical-tabs-layout-header = Selaimen asettelu
+zen-vertical-tabs-layout-description = Valitse asettelu, joka sopii sinulle parhaiten
 zen-layout-single-toolbar = Single toolbar
 zen-layout-multiple-toolbar = Multiple toolbars
 zen-layout-collapsed-toolbar = Collapsed toolbar
@@ -45,16 +45,16 @@ pane-settings-workspaces-title = Työtilat
 zen-tabs-unloader-enabled = 
     .label = Ota Käyttöön välilehden purkaminen
 zen-tabs-close-on-back-with-no-history = 
-    .label = Close tab and switch to its owner tab (or most recently used tab) when going back with no history
+    .label = Sulje välilehti ja vaihda sen omistajavälilehteen (tai viimeksi käytettyyn välilehteen) kun palataan ilman historiaa
 zen-tabs-cycle-by-attribute = 
-    .label = Ctrl+Tab cycles within Essential or Workspace tabs only
+    .label = Ctrl+Tab kiertää vain keskeisissä tai Työtilojen välilehdissä
 zen-tabs-cycle-ignore-pending-tabs = 
-    .label = Ignore Pending tabs when cycling with Ctrl+Tab
-zen-tabs-cycle-by-attribute-warning = Ctrl+Tab will cycle by recently used order, as it is enabled
+    .label = Ohita odottavat välilehdet Ctrl+Tab kanssa
+zen-tabs-cycle-by-attribute-warning = Ctrl+Tab selaa välilehtiä käyttöjärjestyksessä alkaen viimeisimmästä
 zen-look-and-feel-compact-toolbar-themed = 
-    .label = Use themed background for compact toolbar
+    .label = Käytä teemoitettua taustaa kompaktissa työkalupalkissa
 zen-workspace-continue-where-left-off = 
-    .label = Continue where you left off
+    .label = Jatka siitä, mihin jäit
 pane-zen-pinned-tab-manager-title = Kiinnitetyt Välilehdet
 zen-pinned-tab-manager-header = Yleiset asetukset kiinnitettäville välilehteille
 zen-pinned-tab-manager-description = Hallitse lisäkäyttäytymistä kiinnitettyjen välilehtien osalta
@@ -72,7 +72,7 @@ zen-pinned-tab-manager-reset-switch-close-shortcut-option =
 zen-pinned-tab-manager-switch-close-shortcut-option = 
     .label = Siirry seuraavaan välilehteen
 zen-pinned-tab-manager-reset-close-shortcut-option = 
-    .label = Reset URL
+    .label = Resetoi URL
 zen-pinned-tab-manager-close-close-shortcut-option = 
     .label = Sulje välilehti
 pane-zen-workspaces-header = Työtilat
@@ -83,7 +83,7 @@ zen-settings-workspaces-enabled =
 zen-settings-workspaces-hide-default-container-indicator = 
     .label = Piilota säiliön oletusmerkkivalo välilehdessä - palkki
 zen-key-unsaved = Tallentamaton pikakuvake! Ole hyvä ja turvaa se painamalla "Escape" -näppäintä kirjoittamisen jälkeen.
-zen-key-conflict = Conflicts with { $group } -> { $shortcut }
+zen-key-conflict = Ristiriidat { $group } -> { $shortcut }
 pane-zen-theme-title = Teeman Asetukset
 zen-vertical-tabs-title = Sivupalkin ja välilehtien asettelu
 zen-vertical-tabs-header = Pystysuorat Välilehdet
@@ -99,7 +99,7 @@ zen-vertical-tabs-dont-expand-tabs-by-default = Älä laajenna välilehtiä olet
 zen-vertical-tabs-expand-tabs-on-hover = Laajenna välilehdet leijailemalla (Ei toimi kompaktitilassa)
 zen-vertical-tabs-expand-tabs-header = Kuinka laajentaa välilehdet
 zen-vertical-tabs-expand-tabs-description = Valitse, miten voit laajentaa välilehtiä sivupalkissa
-zen-theme-marketplace-header = Zen Mods
+zen-theme-marketplace-header = Zen modit
 zen-theme-disable-all-enabled = 
     .title = Poista kaikki teemat käytöstä
 zen-theme-disable-all-disabled = 
@@ -110,15 +110,15 @@ zen-theme-marketplace-remove-button =
 zen-theme-marketplace-check-for-updates-button = 
     .label = Tarkista päivitykset
 zen-theme-marketplace-import-button = 
-    .label = Import mods
+    .label = Tuo modeja
 zen-theme-marketplace-export-button = 
-    .label = Export Mods
-zen-theme-marketplace-import-success = Mods imported successfully
-zen-theme-marketplace-import-failure = There was an error importing the mods
-zen-theme-marketplace-export-success = Mods exported successfully
-zen-theme-marketplace-export-failure = There was an error exporting the mods
+    .label = Vie Modit
+zen-theme-marketplace-import-success = Modit tuotu onnistuneesti
+zen-theme-marketplace-import-failure = Modeja tuodessa tapahtui virhe
+zen-theme-marketplace-export-success = Modit viety onnistuneesti
+zen-theme-marketplace-export-failure = Modien viennissä tapahtui virhe
 zen-theme-marketplace-updates-success = Teema päivitetty onnistuneesti
-zen-theme-marketplace-updates-failure = Couldn't find any updates!
+zen-theme-marketplace-updates-failure = Päivityksiä ei löytynt!
 zen-theme-marketplace-toggle-enabled-button = 
     .title = Poista Teema Käytöstä
 zen-theme-marketplace-toggle-disabled-button = 
@@ -131,9 +131,9 @@ zen-theme-marketplace-dropdown-default-label =
     .label = Ei Mitään
 zen-theme-marketplace-input-default-placeholder = 
     .placeholder = Kirjoita jotain...
-pane-zen-marketplace-title = Zen Mods
+pane-zen-marketplace-title = Zen modit
 zen-themes-auto-update = 
-    .label = Automatically update installed mods on startup
+    .label = Päivitä asennetut modit automaattisesti käynnistyksessä
 zen-settings-workspaces-force-container-tabs-to-workspace = 
     .label = Vaihda työtilaan, jossa säiliö on asetettu oletusarvoiseksi avattaessa säiliön välilehtiä
 zen-theme-marketplace-link = Vieraile Kaupassa
@@ -145,16 +145,16 @@ zen-dark-theme-styles-colorful = Värikäs Tumma Teema
 zen-compact-mode-styles-left = Piilota välilehti
 zen-compact-mode-styles-top = Piilota yläpalkki
 zen-compact-mode-styles-both = Piilota Molemmat
-zen-urlbar-title = Zen URL Bar
-zen-urlbar-header = General settings for the URL bar
-zen-urlbar-description = Customize the URL bar to your liking
-zen-urlbar-behavior-label = Behavior
+zen-urlbar-title = Zen URL-palkki
+zen-urlbar-header = URL palkin yleiset asetukset
+zen-urlbar-description = Muokkaa URL-palkkia sinun mielesi mukaan
+zen-urlbar-behavior-label = Toiminnot
 zen-urlbar-behavior-normal = 
-    .label = Normal
+    .label = Normaali
 zen-urlbar-behavior-floating-on-type = 
-    .label = Floating only when typing
+    .label = Kelluva vain kirjoittaessasi
 zen-urlbar-behavior-float = 
-    .label = Always floating
+    .label = Aina kelluva
 pane-zen-CKS-title = Näppäimistön Pikanäppäimet
 category-zen-CKS = 
     .tooltiptext = { pane-zen-CKS-title }
@@ -164,7 +164,7 @@ zen-settings-CKS-description = Muuta oletus näppäimistön pikakuvakkeet mielty
 zen-settings-CKS-disable-firefox = 
     .label = Poista { -brand-short-name }oletusnäppäimistön pikakuvakkeet käytöstä
 zen-settings-CKS-duplicate-shortcut = 
-    .label = Duplicate Shortcut
+    .label = Monista pikanäppäin
 zen-settings-CKS-reset-shortcuts = 
     .label = Palauta oletukset
 zenCKSOption-group-other = Muu
@@ -178,10 +178,10 @@ zenCKSOption-group-zen-compact-mode = Kompakti Tila
 zenCKSOption-group-zen-workspace = Työtilat
 zenCKSOption-group-zen-other = Muut Zen-ominaisuudet
 zenCKSOption-group-zen-split-view = Jaettu Näkymä
-zenCKSOption-group-devTools = Developer Tools
+zenCKSOption-group-devTools = Kehitystyökalut
 zen-key-quick-restart = Nopea Uudelleenkäynnistys
 zen-window-new-shortcut = Uusi Ikkuna
-zen-tab-new-shortcut = New Tab
+zen-tab-new-shortcut = Uusi välilehti
 zen-key-redo = Toista
 zen-restore-last-closed-tab-shortcut = Palauta Viimeksi Suljettu Välilehti
 zen-location-open-shortcut = Avaa Sijainti
@@ -191,8 +191,8 @@ zen-text-action-undo-shortcut = Kumoa
 zen-text-action-redo-shortcut = Toista
 zen-text-action-cut-shortcut = Leikkaa
 zen-text-action-copy-shortcut = Kopioi
-zen-text-action-copy-url-shortcut = Copy current URL
-zen-text-action-copy-url-markdown-shortcut = Copy current URL as Markdown
+zen-text-action-copy-url-shortcut = Kopioi nykyinen URL-osoite
+zen-text-action-copy-url-markdown-shortcut = Kopioi nykyinen URL-osoite Markdownina
 zen-text-action-paste-shortcut = Liitä
 zen-text-action-select-all-shortcut = Valitse Kaikki
 zen-text-action-delete-shortcut = Poista
@@ -204,7 +204,7 @@ zen-picture-in-picture-toggle-shortcut-mac = Ota käyttöön kuva-kuvassa (Mac)
 zen-picture-in-picture-toggle-shortcut-mac-alt = Ota käyttöön kuva-kuvassa (Mac Alt)
 zen-page-source-shortcut-safari = Näytä Sivulähde (Safari)
 zen-nav-stop-shortcut = Lopeta Lataaminen
-zen-history-sidebar-shortcut = Show History Sidebar
+zen-history-sidebar-shortcut = Näytä historia sivupalkissa
 zen-window-minimize-shortcut = Pienennä Ikkuna
 zen-help-shortcut = Avaa Ohje
 zen-preferences-shortcut = Avoimet Asetukset
@@ -216,7 +216,7 @@ zen-downloads-shortcut = Avaa Lataukset
 zen-addons-shortcut = Avaa Lisäosat
 zen-file-open-shortcut = Avaa Tiedosto
 zen-save-page-shortcut = Tallenna Sivu
-zen-print-shortcut = Print Page
+zen-print-shortcut = Tulosta sivu
 zen-close-shortcut-2 = Sulje Välilehti
 zen-mute-toggle-shortcut = Vaihda Mykistystä
 zen-key-delete = Poista Avain
@@ -227,10 +227,10 @@ zen-nav-fwd-shortcut-alt = Siirry Eteenpäin (Alt)
 zen-history-show-all-shortcut = Näytä Kaikki Historia
 zen-key-enter-full-screen = Anna Koko Näyttö
 zen-key-exit-full-screen = Poistu Koko Näyttötilasta
-zen-ai-chatbot-sidebar-shortcut = Toggle AI Chatbot Sidebar
-zen-key-inspector-mac = Toggle Inspector (Mac)
-zen-toggle-sidebar-shortcut = Toggle Firefox Sidebar
-zen-toggle-pin-tab-shortcut = Toggle Pin Tab
+zen-ai-chatbot-sidebar-shortcut = Ota käyttöön AI chatbot sivupalkkiin
+zen-key-inspector-mac = Vaihda Tarkastaja (Mac)
+zen-toggle-sidebar-shortcut = Vaihda Firefoxin Sivupalkkia
+zen-toggle-pin-tab-shortcut = Kiinnitä välilehti
 zen-reader-mode-toggle-shortcut-other = Vaihda Lukijan Tila
 zen-picture-in-picture-toggle-shortcut = Vaihda Kuva Kuvaksi
 zen-nav-reload-shortcut-2 = Lataa Sivu Uudelleen
@@ -247,9 +247,9 @@ zen-key-stop = Lopeta Lataaminen
 zen-full-zoom-reduce-shortcut = Zoomaa Ulos
 zen-full-zoom-enlarge-shortcut = Zoomaa Sisään
 zen-full-zoom-reset-shortcut = Resetoi Zoomaus
-zen-full-zoom-reset-shortcut-alt = Reset Zoom (Alt)
-zen-full-zoom-enlarge-shortcut-alt = Zoom In (Alt)
-zen-full-zoom-enlarge-shortcut-alt2 = Zoom In (Alt 2)
+zen-full-zoom-reset-shortcut-alt = Nollaa Zoomaus (Alt)
+zen-full-zoom-enlarge-shortcut-alt = Suurenna (Alt)
+zen-full-zoom-enlarge-shortcut-alt2 = Suurenna (Alt 2)
 zen-bidi-switch-direction-shortcut = Vaihda Tekstin Suuntaa
 zen-private-browsing-shortcut = Yksityinen Selaus
 zen-screenshot-shortcut = Ota Kuvakaappaus
@@ -264,7 +264,7 @@ zen-close-tab-shortcut = Sulje Välilehti
 zen-compact-mode-shortcut-show-sidebar = Ota käyttöön Kelluva Sivupalkki
 zen-compact-mode-shortcut-show-toolbar = Ota käyttöön Kelluva Työkalurivi
 zen-compact-mode-shortcut-toggle = Ota käyttöön Kompaktitila
-zen-glance-expand = Expand Glance
+zen-glance-expand = Laajenna Vilkaisu
 zen-workspace-shortcut-switch-1 = Vaihda työtilaan 1
 zen-workspace-shortcut-switch-2 = Vaihda työtilaan 2
 zen-workspace-shortcut-switch-3 = Vaihda työtilaan 3
@@ -283,7 +283,7 @@ zen-split-view-shortcut-grid = Vaihda Jaettu Näkymä ruudukkoon
 zen-split-view-shortcut-vertical = Vaihda Jaettu Näkymä Pystysuunnassa
 zen-split-view-shortcut-horizontal = Vaihda Jaettu Näkymä Vaakasuoraan
 zen-split-view-shortcut-unsplit = Sulje Jaettu Näkymä
-zen-new-empty-split-view-shortcut = New Empty Split View
+zen-new-empty-split-view-shortcut = Uusi Tyhjä Jaettu Näkymä
 zen-key-select-tab-1 = Valitse välilehti #1
 zen-key-select-tab-2 = Valitse välilehti #2
 zen-key-select-tab-3 = Valitse välilehti #3
@@ -298,17 +298,17 @@ zen-key-goto-history = Siirry historiaan
 zen-key-go-home = Siirry Kotiin
 zen-bookmark-show-sidebar-shortcut = Näytä Kirjanmerkkien Sivupalkki
 zen-bookmark-show-toolbar-shortcut = Näytä Kirjanmerkkipalkki
-zen-devtools-toggle-shortcut = Toggle DevTools
-zen-devtools-toggle-browser-toolbox-shortcut = Toggle Browser Toolbox
-zen-devtools-toggle-browser-console-shortcut = Toggle Browser Console
-zen-devtools-toggle-responsive-design-mode-shortcut = Toggle Responsive Design Mode
-zen-devtools-toggle-inspector-shortcut = Toggle Inspector
-zen-devtools-toggle-web-console-shortcut = Toggle Web Console
-zen-devtools-toggle-js-debugger-shortcut = Toggle JavaScript Debugger
-zen-devtools-toggle-net-monitor-shortcut = Toggle Network Monitor
-zen-devtools-toggle-style-editor-shortcut = Toggle Style Editor
-zen-devtools-toggle-performance-shortcut = Toggle Performance
-zen-devtools-toggle-storage-shortcut = Toggle Storage
-zen-devtools-toggle-dom-shortcut = Toggle DOM
-zen-devtools-toggle-accessibility-shortcut = Toggle Accessibility
-zen-close-all-unpinned-tabs-shortcut = Close All Unpinned Tabs
+zen-devtools-toggle-shortcut = Vaihda DevTools
+zen-devtools-toggle-browser-toolbox-shortcut = Vaihda Selaimen Työkalupakkia
+zen-devtools-toggle-browser-console-shortcut = Vaihda Selaimen Konsoli
+zen-devtools-toggle-responsive-design-mode-shortcut = Vaihda Reagoiva Suunnittelu -tila
+zen-devtools-toggle-inspector-shortcut = Vaihda Tarkastajaa
+zen-devtools-toggle-web-console-shortcut = Vaihda Selaimen Konsoli
+zen-devtools-toggle-js-debugger-shortcut = Vaihda Javascript- Debuggeria
+zen-devtools-toggle-net-monitor-shortcut = Vaihda Verkon Valvontaa
+zen-devtools-toggle-style-editor-shortcut = Vaihda Tyylin Muokkainta
+zen-devtools-toggle-performance-shortcut = Vaihda Suorituskykyä
+zen-devtools-toggle-storage-shortcut = Vaihda Tallennustilaa
+zen-devtools-toggle-dom-shortcut = Vaihda DOM:ia
+zen-devtools-toggle-accessibility-shortcut = Vaihda Esteettömyystilaa
+zen-close-all-unpinned-tabs-shortcut = Sulje kaikki kiinnittämättömät välilehdet
diff --git a/locales/fi/browser/browser/zen-folders.ftl b/locales/fi/browser/browser/zen-folders.ftl
index 37a8b2cfe..8ed0a32a9 100644
--- a/locales/fi/browser/browser/zen-folders.ftl
+++ b/locales/fi/browser/browser/zen-folders.ftl
@@ -3,23 +3,23 @@
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
 zen-folders-search-placeholder = 
-    .placeholder = Search { $folder-name }...
+    .placeholder = Etsi { $folder-name }...
 zen-folders-panel-rename-folder = 
-    .label = Rename Folder
+    .label = Nimeä kansio uudelleen
 zen-folders-panel-unpack-folder = 
-    .label = Unpack Folder
+    .label = Pura Kansio
 zen-folders-new-subfolder = 
-    .label = New Subfolder
+    .label = Uusi Alikansio
 zen-folders-panel-delete-folder = 
-    .label = Delete Folder
+    .label = Poista kansio
 zen-folders-panel-convert-folder-to-space = 
-    .label = Convert folder to Space
+    .label = Muunna kansio työtilaksi
 zen-folders-panel-change-folder-space = 
-    .label = Change Space...
+    .label = Muuta Työtilaa...
 zen-folders-panel-change-icon-folder = 
-    .label = Change Icon
+    .label = Vaihda kuvake
 zen-folders-unload-all-tooltip = 
-    .tooltiptext = Unload active in this folder
+    .tooltiptext = Poista käytöstä aktiivinen kansio
 zen-folders-unload-folder = 
-    .label = Unload All Tabs
-zen-folders-search-no-results = No tabs matching that search 🤔
+    .label = Tyhjennä Kaikki Välilehdet
+zen-folders-search-no-results = Ei hakua vastaavia välilehtiä 🤔
diff --git a/locales/fi/browser/browser/zen-general.ftl b/locales/fi/browser/browser/zen-general.ftl
index 6b75aa1ab..56222d6b5 100644
--- a/locales/fi/browser/browser/zen-general.ftl
+++ b/locales/fi/browser/browser/zen-general.ftl
@@ -8,9 +8,9 @@ tab-context-zen-reset-pinned-tab =
     .label = Nollaa Kiinnitetty Välilehti
     .accesskey = R
 tab-context-zen-add-essential = 
-    .label = Add to Essentials
+    .label = Lisää olennaisiin
     .accesskey = E
-tab-context-zen-add-essential-badge = { $num } / { $max } slots filled
+tab-context-zen-add-essential-badge = { $num } / { $max } täytetty paikka
 tab-context-zen-remove-essential = 
     .label = Poista olennaisista
     .accesskey = R
@@ -18,83 +18,92 @@ tab-context-zen-replace-pinned-url-with-current =
     .label = Korvaa kiinnitetty URL-osoite nykyisellä
     .accesskey = C
 zen-themes-corrupted = { -brand-short-name } modejasi tiedosto on vioittunut. Ne on palautettu oletusteemaan.
-zen-shortcuts-corrupted = Your { -brand-short-name } shortcuts file is corrupted. They have been reset to the default shortcuts.
+zen-shortcuts-corrupted = { -brand-short-name } Oikotietä sisältävä tiedosto on korruptoitunut. Ne on palautettu oletus oikoteihin.
 # note: Do not translate the "<br/>" tags in the following string
 zen-new-urlbar-notification =
-    The new URL bar has been enabled, removing the need for new tab pages.<br/><br/>
-    Try opening a new tab to see the new URL bar in action!
-zen-disable = Disable
+    Uusi URL-palkki on otettu käyttöön, uusia välilehtisivuja ei enää tarvita.<br/><br/>
+    Kokeile avata uusi välilehti nähdäksesi uuden URL-palkin toiminnassa!
+zen-disable = Poista käytöstä
 pictureinpicture-minimize-btn = 
-    .aria-label = Minimize
-    .tooltip = Minimize
+    .aria-label = Minimoi
+    .tooltip = Minimoi
 zen-panel-ui-gradient-generator-custom-color = Muokattu Väri
 zen-panel-ui-gradient-generator-saved-message = Kaltevuus tallennettu onnistuneesti!
-zen-copy-current-url-confirmation = Copied current URL!
+zen-copy-current-url-confirmation = Nykyinen URL-osoite kopioitu!
 zen-general-cancel-label = 
-    .label = Cancel
+    .label = Peruuta
 zen-general-confirm = 
-    .label = Confirm
+    .label = Vahvista
 zen-pinned-tab-replaced = Pinned tab URL has been replaced with the current URL.
-zen-tabs-renamed = Tab has been successfully renamed!
-zen-background-tab-opened-toast = New background tab opened!
-zen-workspace-renamed-toast = Workspace has been successfully renamed!
+zen-tabs-renamed = Välilehti on nimetty uudelleen!
+zen-background-tab-opened-toast = Uusi taustavälilehti avattu!
+zen-workspace-renamed-toast = Työtila on nimetty uudelleen!
 zen-library-sidebar-workspaces = 
-    .label = Spaces
+    .label = Työtilat
 zen-library-sidebar-mods = 
-    .label = Mods
+    .label = Modit
 zen-toggle-compact-mode-button = 
-    .label = Compact Mode
-    .tooltiptext = Toggle Compact Mode
+    .label = Kompakti Tila
+    .tooltiptext = Ota käyttöön Kompakti tila
 
 # note: Do not translate the "<br/>" tags in the following string
 
-zen-learn-more-text = Learn More
-zen-close-label = Close
+zen-learn-more-text = Lue Lisää
+zen-close-label = Sulje
 zen-singletoolbar-urlbar-placeholder-with-name = 
-    .placeholder = Search...
+    .placeholder = Hae...
 zen-icons-picker-emoji = 
-    .label = Emojis
+    .label = Emojit
 zen-icons-picker-svg = 
-    .label = Icons
-urlbar-search-mode-zen_actions = Actions
-zen-site-data-settings = Settings
-zen-generic-manage = Manage
-zen-generic-more = More
-zen-generic-next = Next
+    .label = Kuvakkeet
+urlbar-search-mode-zen_actions = Toiminnot
+zen-site-data-settings = Asetukset
+zen-generic-manage = Hallitse
+zen-generic-more = Lisää
+zen-generic-next = Seuraava
 # These labels will be used for the site data panel settings
-zen-site-data-setting-allow = Allowed
-zen-site-data-setting-block = Blocked
-zen-site-data-protections-enabled = Enabled
-zen-site-data-protections-disabled = Disabled
-zen-site-data-setting-cross-site = Cross-Site cookie
+zen-site-data-setting-allow = Sallittu
+zen-site-data-setting-block = Estetty
+zen-site-data-protections-enabled = Käytössä
+zen-site-data-protections-disabled = Pois käytöstä
+zen-site-data-setting-cross-site = Sivuston välinen eväste
 zen-site-data-security-info-extension = 
-    .label = Extension
+    .label = Laajennus
 zen-site-data-security-info-secure = 
-    .label = Secure
+    .label = Turvallinen
 zen-site-data-security-info-not-secure = 
-    .label = Not Secure
+    .label = Ei turvallinen
 zen-site-data-manage-addons = 
-    .label = Manage Extensions
+    .label = Hallita Laajennuksia
 zen-site-data-get-addons = 
-    .label = Add Extensions
+    .label = Lisää Laajennuksia
 zen-site-data-site-settings = 
-    .label = All Site Settings
+    .label = Kaikki Sivuston Asetukset
 zen-site-data-header-share = 
-    .tooltiptext = Share This Page
+    .tooltiptext = Jaa Tämä Sivu
 zen-site-data-header-reader-mode = 
-    .tooltiptext = Enter Reader Mode
+    .tooltiptext = Siirry lukutilaan
 zen-site-data-header-screenshot = 
-    .tooltiptext = Take a Screenshot
+    .tooltiptext = Ota kuvakaappaus
 zen-site-data-header-bookmark = 
-    .tooltiptext = Bookmark This Page
+    .tooltiptext = Lisää Tämä Sivu Kirjanmerkkeihin
 zen-urlbar-copy-url-button = 
-    .tooltiptext = Copy URL
-zen-site-data-setting-site-protection = Tracking Protection
+    .tooltiptext = Kopioi URL
+zen-site-data-setting-site-protection = Seuranta Suojaus
 
 # Section: Feature callouts
 
-zen-site-data-panel-feature-callout-title = A new home for add-ons, permissions, and more
-zen-site-data-panel-feature-callout-subtitle = Click the icon to manage site settings, view security info, access extensions, and perform common actions.
+zen-site-data-panel-feature-callout-title = Uusi koti lisäosille, käyttöoikeuksille ja paljon muuta
+zen-site-data-panel-feature-callout-subtitle = Klikkaa kuvaketta hallitaksesi sivuston asetuksia, tarkastella tietoturvatietoja, käyttää laajennuksia ja suorittaa yhteisiä toimintoja.
 zen-open-link-in-glance = 
-    .label = Open Link in Glance
+    .label = Avaa linkki vilkaisussa
     .accesskey = G
+zen-sidebar-notification-updated-heading = Päivitys valmis!
+# See ZenSidebarNotification.mjs to see how these would be used
+
+zen-sidebar-notification-updated-label = Mitä uutta { -brand-short-name }
+zen-sidebar-notification-updated-tooltip = 
+    .title = Katso Julkaisutiedot
+zen-sidebar-notification-restart-safe-mode-label = Jotain rikki?
+zen-sidebar-notification-restart-safe-mode-tooltip = 
+    .title = Käynnistä uudelleen vianmääritystilassa
diff --git a/locales/fi/browser/browser/zen-vertical-tabs.ftl b/locales/fi/browser/browser/zen-vertical-tabs.ftl
index c4680d671..cfea15a20 100644
--- a/locales/fi/browser/browser/zen-vertical-tabs.ftl
+++ b/locales/fi/browser/browser/zen-vertical-tabs.ftl
@@ -11,29 +11,29 @@ zen-toolbar-context-compact-mode-enable =
     .label = Ota kompakti tila käyttöön
     .accesskey = D
 zen-toolbar-context-compact-mode-just-tabs = 
-    .label = Hide sidebar
+    .label = Piilota sivupalkki
 zen-toolbar-context-compact-mode-just-toolbar = 
     .label = Piilota työkalupalkki
 zen-toolbar-context-compact-mode-hide-both = 
     .label = Piilota molemmat
     .accesskey = H
 zen-toolbar-context-new-folder = 
-    .label = New Folder
+    .label = Uusi kansio
     .accesskey = N
 sidebar-zen-expand = 
-    .label = Expand Sidebar
+    .label = Laajenna sivupalkkia
 sidebar-zen-create-new = 
-    .label = Create New...
+    .label = Luo uusi...
 tabbrowser-unload-tab-button = 
     .tooltiptext =
         { $tabCount ->
-            [one] Unload and switch to tab
-           *[other] Unload { $tabCount } tabs and switch to the first
+            [one] Pura ja vaihda välilehteen
+           *[other] Pura { $tabCount } välilehdet ja vaihda ensimmäiseen
         }
 tabbrowser-reset-pin-button = 
     .tooltiptext =
         { $tabCount ->
-            [one] Reset and pin tab
-           *[other] Reset and pin { $tabCount } tabs
+            [one] Nollaa ja kiinnitä välilehti
+           *[other] Nollaa ja kiinnitä { $tabCount } välilehdet
         }
-tab-reset-pin-label = Back to pinned url
+tab-reset-pin-label = Takaisin kiinnitettyyn URL-osoitteeseen
diff --git a/locales/fi/browser/browser/zen-welcome.ftl b/locales/fi/browser/browser/zen-welcome.ftl
index 86d517ffd..7bd3f9c97 100644
--- a/locales/fi/browser/browser/zen-welcome.ftl
+++ b/locales/fi/browser/browser/zen-welcome.ftl
@@ -2,25 +2,25 @@
 # License, v. 2.0. If a copy of the MPL was not distributed with this
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
-zen-welcome-title-line1 = Welcome to
-zen-welcome-title-line2 = a calmer internet
-zen-welcome-import-title = A Fresh Start, Same Bookmarks
-zen-welcome-import-description-1 = Your bookmarks, history, and passwords are like a trail of breadcrumbs through the internet—don’t leave them behind!
-zen-welcome-import-description-2 = Easily bring them over from another browser and pick up right where you left off..
-zen-welcome-import-button = Import now
-zen-welcome-set-default-browser = Set { -brand-short-name } as your default browser
-zen-welcome-dont-set-default-browser = DON’T set { -brand-short-name } as your default browser
-zen-welcome-initial-essentials-title = Your Key Tabs, Always Within Reach
-zen-welcome-initial-essentials-description-1 = Keep your most important tabs easily accessible and always at hand, no matter how many you open.
-zen-welcome-initial-essentials-description-2 = Essential tabs are always visible, no matter what workspace you are in.
-zen-welcome-workspace-colors-title = Your Workspaces, Your Colors
-zen-welcome-workspace-colors-description = Personalize your browser by giving each workspace its own unique color identity.
+zen-welcome-title-line1 = Tervetuloa
+zen-welcome-title-line2 = rauhellisempaan internettiin
+zen-welcome-import-title = Tuore Aloitus, Samat Kirjanmerkit
+zen-welcome-import-description-1 = Kirjanmerkit, historia ja salasanat ovat kuin polku leivänmurteita Internetin kautta - älä jätä niitä taakse!
+zen-welcome-import-description-2 = Tuo ne helposti toisesta selaimesta ja jatka eteenpäin siitä, mihin jäit.
+zen-welcome-import-button = Tuo nyt
+zen-welcome-set-default-browser = Aseta { -brand-short-name } oletusselaimeksi
+zen-welcome-dont-set-default-browser = ÄLÄ asettanut { -brand-short-name } oletusselaimeksi
+zen-welcome-initial-essentials-title = Tärkeimmät Välilehtesi, Aina Saavutuksen Sisällä
+zen-welcome-initial-essentials-description-1 = Pidä tärkeimmät välilehdet helposti saatavilla riippumatta siitä, kuinka monta olet avannut.
+zen-welcome-initial-essentials-description-2 = Olennaiset välilehdet ovat aina näkyvissä, riippumatta siitä, missä työtilassa olet.
+zen-welcome-workspace-colors-title = Sinun Työtilasi, Sinun Värisi
+zen-welcome-workspace-colors-description = Mukauta selainta antamalla jokaiselle työtilalle oma väri-identiteetti.
 zen-welcome-start-browsing-title =
-    All set?<br/>
-    Let’s get rolling!
-zen-welcome-start-browsing-description-1 = You’re all set up and ready to go. Click the button below to start browsing with { -brand-short-name }.
-zen-welcome-start-browsing = Dive in!
-zen-welcome-default-search-title = Your Default Search Engine
-zen-welcome-default-search-description = Choose your default search engine. You can always change it later!
-zen-welcome-skip-button = Skip
-zen-welcome-finished = Your Zen has been set up correctly!
+    Kaikki asetettu?<br/>
+    Aletaan toimiin!
+zen-welcome-start-browsing-description-1 = Kaikki on asetettu ja olet valmis menemään. Napsauta alla olevaa painiketta aloittaaksesi selailun { -brand-short-name } -sovelluksella.
+zen-welcome-start-browsing = Sukella sisään!
+zen-welcome-default-search-title = Sinun Oletushakukone
+zen-welcome-default-search-description = Valitse oletushakukone. Voit aina muuttaa sitä myöhemmin!
+zen-welcome-skip-button = Ohita
+zen-welcome-finished = Zen on määritetty oikein!
diff --git a/locales/fi/browser/browser/zen-workspaces.ftl b/locales/fi/browser/browser/zen-workspaces.ftl
index 3d722b080..48f7b9f64 100644
--- a/locales/fi/browser/browser/zen-workspaces.ftl
+++ b/locales/fi/browser/browser/zen-workspaces.ftl
@@ -4,26 +4,26 @@
 
 zen-panel-ui-workspaces-text = Työtilat
 zen-panel-ui-workspaces-create = 
-    .label = Create Space
+    .label = Luo työtila
 zen-panel-ui-folder-create = 
-    .label = Create Folder
+    .label = Luo kansio
 zen-panel-ui-new-empty-split = 
-    .label = New Split
+    .label = Uusi Jako
 zen-workspaces-panel-context-delete = 
     .label = Poista Työtila
     .accesskey = D
 zen-workspaces-panel-change-name = 
-    .label = Change Name
+    .label = Vaihda nimi
 zen-workspaces-panel-change-icon = 
-    .label = Change Icon
+    .label = Vaihda kuvake
 zen-workspaces-panel-context-default-profile = 
-    .label = Set Profile
+    .label = Aseta Profiili
 zen-workspaces-panel-unload = 
-    .label = Unload Space
-zen-workspaces-how-to-reorder-title = How to reorder spaces
-zen-workspaces-how-to-reorder-desc = Drag the space icons at the bottom of the sidebar to reorder them
+    .label = Poista Työtila
+zen-workspaces-how-to-reorder-title = Kuinka järjestää työtiloja
+zen-workspaces-how-to-reorder-desc = Vedä työtilan kuvakkeet sivupalkin alareunaan järjestääksesi ne uudelleen
 zen-workspaces-change-theme = 
-    .label = Edit Theme
+    .label = Muokkaa teemaa
 zen-workspaces-panel-context-open = 
     .label = Avaa Työtila
     .accesskey = O
@@ -37,29 +37,29 @@ zen-bookmark-edit-panel-workspace-selector =
     .value = Työtilat
     .accesskey = W
 zen-panel-ui-gradient-generator-algo-complementary = 
-    .label = Complementary
+    .label = Täydentävä
 zen-panel-ui-gradient-generator-algo-splitComplementary = 
-    .label = Split
+    .label = Jaa osiin
 zen-panel-ui-gradient-generator-algo-analogous = 
-    .label = Analogous
+    .label = Analoginen
 zen-panel-ui-gradient-generator-algo-triadic = 
-    .label = Triadic
+    .label = Triadiikki
 zen-panel-ui-gradient-generator-algo-floating = 
-    .label = Floating
-zen-panel-ui-gradient-click-to-add = Click to add a color
+    .label = Kelluva
+zen-panel-ui-gradient-click-to-add = Klikkaa lisätäksesi väri
 zen-workspace-creation-name = 
-    .placeholder = Space Name
+    .placeholder = Työtilan nimi
 zen-workspaces-panel-context-reorder = 
-    .label = Reorder Spaces
-zen-workspace-creation-profile = Profile
-    .tooltiptext = Profiles are used to separate cookies and site data between spaces.
-zen-workspace-creation-header = Create a Space
-zen-workspace-creation-label = Spaces are used to organize your tabs and sessions.
-zen-workspaces-delete-workspace-title = Delete Workspace?
-zen-workspaces-delete-workspace-body = Are you sure you want to delete { $name }? This action cannot be undone.
+    .label = Järjestä Työtilat Uudelleen
+zen-workspace-creation-profile = Profiili
+    .tooltiptext = Profiileja käytetään erottamaan evästeet ja sivustontiedot tiloihin.
+zen-workspace-creation-header = Luo työtila
+zen-workspace-creation-label = Työtiloja käytetään järjestämään sinun välilehtiä ja istuntoja.
+zen-workspaces-delete-workspace-title = Poista Työtila?
+zen-workspaces-delete-workspace-body = Oletko varma, että haluat poistaa { $name }? Tätä toimintoa ei voi peruuttaa.
 # Note that the html tag MUST not be changed or removed, as it is used to better
 # display the shortcut in the toast notification.
-zen-workspaces-close-all-unpinned-tabs-toast = Tabs Closed! Use <span>{ $shortcut }</span> to undo.
+zen-workspaces-close-all-unpinned-tabs-toast = Välilehdet suljettu! Peruuta toiminto käyttämällä <span>{ $shortcut }</span>.
 zen-workspaces-close-all-unpinned-tabs-title = 
-    .label = Clear
-    .tooltiptext = Close all unpinned tabs
+    .label = Tyhjennä
+    .tooltiptext = Sulje kaikki kiinnittämättömät välilehdet
diff --git a/locales/fr/browser/browser/zen-general.ftl b/locales/fr/browser/browser/zen-general.ftl
index 4b8c300ba..33b7ead44 100644
--- a/locales/fr/browser/browser/zen-general.ftl
+++ b/locales/fr/browser/browser/zen-general.ftl
@@ -98,3 +98,12 @@ zen-site-data-panel-feature-callout-subtitle = Cliquez sur l'icône pour gérer
 zen-open-link-in-glance = 
     .label = Ouvrir le lien dans Glance
     .accesskey = G
+zen-sidebar-notification-updated-heading = Mise à jour terminée !
+# See ZenSidebarNotification.mjs to see how these would be used
+
+zen-sidebar-notification-updated-label = Quoi de neuf dans { -brand-short-name } ?
+zen-sidebar-notification-updated-tooltip = 
+    .title = Voir les notes de version
+zen-sidebar-notification-restart-safe-mode-label = Un problème est survenu ?
+zen-sidebar-notification-restart-safe-mode-tooltip = 
+    .title = Redémarrer en mode de dépannage
diff --git a/locales/ga-IE/browser/browser/zen-general.ftl b/locales/ga-IE/browser/browser/zen-general.ftl
index 23d98022d..d054d330d 100644
--- a/locales/ga-IE/browser/browser/zen-general.ftl
+++ b/locales/ga-IE/browser/browser/zen-general.ftl
@@ -98,3 +98,12 @@ zen-site-data-panel-feature-callout-subtitle = Cliceáil an deilbhín chun socru
 zen-open-link-in-glance = 
     .label = Oscail an Nasc i Glance
     .accesskey = G
+zen-sidebar-notification-updated-heading = Nuashonrú críochnaithe!
+# See ZenSidebarNotification.mjs to see how these would be used
+
+zen-sidebar-notification-updated-label = Cad atá nua i { -brand-short-name }
+zen-sidebar-notification-updated-tooltip = 
+    .title = Féach ar Nótaí Eisiúna
+zen-sidebar-notification-restart-safe-mode-label = Bhris rud éigin?
+zen-sidebar-notification-restart-safe-mode-tooltip = 
+    .title = Atosaigh i Mód Sábháilte
diff --git a/locales/he/browser/browser/zen-general.ftl b/locales/he/browser/browser/zen-general.ftl
index c546889ce..3fb522ee1 100644
--- a/locales/he/browser/browser/zen-general.ftl
+++ b/locales/he/browser/browser/zen-general.ftl
@@ -98,3 +98,12 @@ zen-site-data-panel-feature-callout-subtitle = ניתן ללחוץ על הסמל
 zen-open-link-in-glance = 
     .label = Open Link in Glance
     .accesskey = G
+zen-sidebar-notification-updated-heading = Update Complete!
+# See ZenSidebarNotification.mjs to see how these would be used
+
+zen-sidebar-notification-updated-label = What's new in { -brand-short-name }
+zen-sidebar-notification-updated-tooltip = 
+    .title = View Release Notes
+zen-sidebar-notification-restart-safe-mode-label = Something broke?
+zen-sidebar-notification-restart-safe-mode-tooltip = 
+    .title = Restart in Safe Mode
diff --git a/locales/hu/browser/browser/zen-general.ftl b/locales/hu/browser/browser/zen-general.ftl
index 68c695255..38fb6624f 100644
--- a/locales/hu/browser/browser/zen-general.ftl
+++ b/locales/hu/browser/browser/zen-general.ftl
@@ -98,3 +98,12 @@ zen-site-data-panel-feature-callout-subtitle = Kattints az ikonra a webhely beá
 zen-open-link-in-glance = 
     .label = Link megnyitása a bepillantóban
     .accesskey = G
+zen-sidebar-notification-updated-heading = Frissítés befejezve!
+# See ZenSidebarNotification.mjs to see how these would be used
+
+zen-sidebar-notification-updated-label = { -brand-short-name } újdonságai
+zen-sidebar-notification-updated-tooltip = 
+    .title = Változások listájának megtekintése
+zen-sidebar-notification-restart-safe-mode-label = Valami elromlott?
+zen-sidebar-notification-restart-safe-mode-tooltip = 
+    .title = Újraindítás biztonságos módban
diff --git a/locales/hu/browser/browser/zen-split-view.ftl b/locales/hu/browser/browser/zen-split-view.ftl
index 81ecdc17c..56a1bb7c3 100644
--- a/locales/hu/browser/browser/zen-split-view.ftl
+++ b/locales/hu/browser/browser/zen-split-view.ftl
@@ -10,7 +10,7 @@ tab-zen-split-tabs =
         }
     .accesskey = S
 zen-split-link = 
-    .label = Link felosztása új lapban
+    .label = Hivatkozás felosztása új lapban
     .accesskey = S
 zen-split-view-modifier-header = Osztott nézet
 zen-split-view-modifier-activate-reallocation = 
diff --git a/locales/id/browser/browser/zen-general.ftl b/locales/id/browser/browser/zen-general.ftl
index 90d834f96..caa4ccb81 100644
--- a/locales/id/browser/browser/zen-general.ftl
+++ b/locales/id/browser/browser/zen-general.ftl
@@ -98,3 +98,12 @@ zen-site-data-panel-feature-callout-subtitle = Klik ikon untuk mengelola pengatu
 zen-open-link-in-glance = 
     .label = Buka Tautan di Glance
     .accesskey = G
+zen-sidebar-notification-updated-heading = Update Complete!
+# See ZenSidebarNotification.mjs to see how these would be used
+
+zen-sidebar-notification-updated-label = What's new in { -brand-short-name }
+zen-sidebar-notification-updated-tooltip = 
+    .title = View Release Notes
+zen-sidebar-notification-restart-safe-mode-label = Something broke?
+zen-sidebar-notification-restart-safe-mode-tooltip = 
+    .title = Restart in Safe Mode
diff --git a/locales/is/browser/browser/zen-general.ftl b/locales/is/browser/browser/zen-general.ftl
index 5c89851d1..0e3361087 100644
--- a/locales/is/browser/browser/zen-general.ftl
+++ b/locales/is/browser/browser/zen-general.ftl
@@ -98,3 +98,12 @@ zen-site-data-panel-feature-callout-subtitle = Click the icon to manage site set
 zen-open-link-in-glance = 
     .label = Open Link in Glance
     .accesskey = G
+zen-sidebar-notification-updated-heading = Update Complete!
+# See ZenSidebarNotification.mjs to see how these would be used
+
+zen-sidebar-notification-updated-label = What's new in { -brand-short-name }
+zen-sidebar-notification-updated-tooltip = 
+    .title = View Release Notes
+zen-sidebar-notification-restart-safe-mode-label = Something broke?
+zen-sidebar-notification-restart-safe-mode-tooltip = 
+    .title = Restart in Safe Mode
diff --git a/locales/it/browser/browser/zen-general.ftl b/locales/it/browser/browser/zen-general.ftl
index 58de35cf5..77561855d 100644
--- a/locales/it/browser/browser/zen-general.ftl
+++ b/locales/it/browser/browser/zen-general.ftl
@@ -96,3 +96,12 @@ zen-site-data-panel-feature-callout-subtitle = Clicca l'icona per gestire le imp
 zen-open-link-in-glance = 
     .label = Apri collegamento in Sguardo
     .accesskey = G
+zen-sidebar-notification-updated-heading = Update Complete!
+# See ZenSidebarNotification.mjs to see how these would be used
+
+zen-sidebar-notification-updated-label = What's new in { -brand-short-name }
+zen-sidebar-notification-updated-tooltip = 
+    .title = View Release Notes
+zen-sidebar-notification-restart-safe-mode-label = Something broke?
+zen-sidebar-notification-restart-safe-mode-tooltip = 
+    .title = Restart in Safe Mode
diff --git a/locales/ja/browser/browser/zen-general.ftl b/locales/ja/browser/browser/zen-general.ftl
index 213a2d47e..4ff080d82 100644
--- a/locales/ja/browser/browser/zen-general.ftl
+++ b/locales/ja/browser/browser/zen-general.ftl
@@ -98,3 +98,12 @@ zen-site-data-panel-feature-callout-subtitle = Click the icon to manage site set
 zen-open-link-in-glance = 
     .label = Open Link in Glance
     .accesskey = G
+zen-sidebar-notification-updated-heading = Update Complete!
+# See ZenSidebarNotification.mjs to see how these would be used
+
+zen-sidebar-notification-updated-label = What's new in { -brand-short-name }
+zen-sidebar-notification-updated-tooltip = 
+    .title = View Release Notes
+zen-sidebar-notification-restart-safe-mode-label = Something broke?
+zen-sidebar-notification-restart-safe-mode-tooltip = 
+    .title = Restart in Safe Mode
diff --git a/locales/ko/browser/browser/zen-general.ftl b/locales/ko/browser/browser/zen-general.ftl
index 49e7f7783..d5d76e675 100644
--- a/locales/ko/browser/browser/zen-general.ftl
+++ b/locales/ko/browser/browser/zen-general.ftl
@@ -98,3 +98,12 @@ zen-site-data-panel-feature-callout-subtitle = 아이콘을 클릭해 사이트
 zen-open-link-in-glance = 
     .label = 글랜스로 링크 열기
     .accesskey = G
+zen-sidebar-notification-updated-heading = Update Complete!
+# See ZenSidebarNotification.mjs to see how these would be used
+
+zen-sidebar-notification-updated-label = What's new in { -brand-short-name }
+zen-sidebar-notification-updated-tooltip = 
+    .title = View Release Notes
+zen-sidebar-notification-restart-safe-mode-label = Something broke?
+zen-sidebar-notification-restart-safe-mode-tooltip = 
+    .title = Restart in Safe Mode
diff --git a/locales/lt/browser/browser/zen-general.ftl b/locales/lt/browser/browser/zen-general.ftl
index 654935d28..e60c742a2 100644
--- a/locales/lt/browser/browser/zen-general.ftl
+++ b/locales/lt/browser/browser/zen-general.ftl
@@ -8,9 +8,9 @@ tab-context-zen-reset-pinned-tab =
     .label = Atkurti prisegtą kortelę
     .accesskey = R
 tab-context-zen-add-essential = 
-    .label = Add to Essentials
+    .label = Įtraukti į būtiniausius
     .accesskey = E
-tab-context-zen-add-essential-badge = { $num } / { $max } slots filled
+tab-context-zen-add-essential-badge = { $num } / { $max } užpildytų vietų
 tab-context-zen-remove-essential = 
     .label = Šalinti iš būtiniausių
     .accesskey = R
@@ -98,3 +98,12 @@ zen-site-data-panel-feature-callout-subtitle = Spustelėkite piktogramą, kad tv
 zen-open-link-in-glance = 
     .label = Atverti nuorodą spartiuojame pažiūrėjime
     .accesskey = G
+zen-sidebar-notification-updated-heading = Naujinimas baigtas.
+# See ZenSidebarNotification.mjs to see how these would be used
+
+zen-sidebar-notification-updated-label = Kas naujo naršyklėje „{ -brand-short-name }“
+zen-sidebar-notification-updated-tooltip = 
+    .title = Peržiūrėti leidimo pastabas
+zen-sidebar-notification-restart-safe-mode-label = Kažkas sugedo?
+zen-sidebar-notification-restart-safe-mode-tooltip = 
+    .title = Restart in Safe Mode
diff --git a/locales/nl/browser/browser/zen-general.ftl b/locales/nl/browser/browser/zen-general.ftl
index 2e749ec15..1b9e29433 100644
--- a/locales/nl/browser/browser/zen-general.ftl
+++ b/locales/nl/browser/browser/zen-general.ftl
@@ -98,3 +98,12 @@ zen-site-data-panel-feature-callout-subtitle = Klik op het icoon om de site-inst
 zen-open-link-in-glance = 
     .label = Open Link in Glance
     .accesskey = G
+zen-sidebar-notification-updated-heading = Update Complete!
+# See ZenSidebarNotification.mjs to see how these would be used
+
+zen-sidebar-notification-updated-label = What's new in { -brand-short-name }
+zen-sidebar-notification-updated-tooltip = 
+    .title = View Release Notes
+zen-sidebar-notification-restart-safe-mode-label = Something broke?
+zen-sidebar-notification-restart-safe-mode-tooltip = 
+    .title = Restart in Safe Mode
diff --git a/locales/nn-NO/browser/browser/zen-general.ftl b/locales/nn-NO/browser/browser/zen-general.ftl
index 7f2d3ec8c..4a0bf6481 100644
--- a/locales/nn-NO/browser/browser/zen-general.ftl
+++ b/locales/nn-NO/browser/browser/zen-general.ftl
@@ -98,3 +98,12 @@ zen-site-data-panel-feature-callout-subtitle = Click the icon to manage site set
 zen-open-link-in-glance = 
     .label = Open Link in Glance
     .accesskey = G
+zen-sidebar-notification-updated-heading = Update Complete!
+# See ZenSidebarNotification.mjs to see how these would be used
+
+zen-sidebar-notification-updated-label = What's new in { -brand-short-name }
+zen-sidebar-notification-updated-tooltip = 
+    .title = View Release Notes
+zen-sidebar-notification-restart-safe-mode-label = Something broke?
+zen-sidebar-notification-restart-safe-mode-tooltip = 
+    .title = Restart in Safe Mode
diff --git a/locales/pl/browser/browser/zen-general.ftl b/locales/pl/browser/browser/zen-general.ftl
index 5e6b01a9e..19db7ab0f 100644
--- a/locales/pl/browser/browser/zen-general.ftl
+++ b/locales/pl/browser/browser/zen-general.ftl
@@ -98,3 +98,12 @@ zen-site-data-panel-feature-callout-subtitle = Kliknij ikonę, aby zarządzać u
 zen-open-link-in-glance = 
     .label = Open Link in Glance
     .accesskey = G
+zen-sidebar-notification-updated-heading = Update Complete!
+# See ZenSidebarNotification.mjs to see how these would be used
+
+zen-sidebar-notification-updated-label = What's new in { -brand-short-name }
+zen-sidebar-notification-updated-tooltip = 
+    .title = View Release Notes
+zen-sidebar-notification-restart-safe-mode-label = Something broke?
+zen-sidebar-notification-restart-safe-mode-tooltip = 
+    .title = Restart in Safe Mode
diff --git a/locales/pt-BR/browser/browser/zen-general.ftl b/locales/pt-BR/browser/browser/zen-general.ftl
index 9018a53b1..217a65ebc 100644
--- a/locales/pt-BR/browser/browser/zen-general.ftl
+++ b/locales/pt-BR/browser/browser/zen-general.ftl
@@ -96,3 +96,12 @@ zen-site-data-panel-feature-callout-subtitle = Clique no ícone para gerenciar c
 zen-open-link-in-glance = 
     .label = Open Link in Glance
     .accesskey = G
+zen-sidebar-notification-updated-heading = Update Complete!
+# See ZenSidebarNotification.mjs to see how these would be used
+
+zen-sidebar-notification-updated-label = What's new in { -brand-short-name }
+zen-sidebar-notification-updated-tooltip = 
+    .title = View Release Notes
+zen-sidebar-notification-restart-safe-mode-label = Something broke?
+zen-sidebar-notification-restart-safe-mode-tooltip = 
+    .title = Restart in Safe Mode
diff --git a/locales/pt-PT/browser/browser/zen-general.ftl b/locales/pt-PT/browser/browser/zen-general.ftl
index 68239dba0..a3f347c24 100644
--- a/locales/pt-PT/browser/browser/zen-general.ftl
+++ b/locales/pt-PT/browser/browser/zen-general.ftl
@@ -98,3 +98,12 @@ zen-site-data-panel-feature-callout-subtitle = Clique no ícone para gerir defin
 zen-open-link-in-glance = 
     .label = Open Link in Glance
     .accesskey = G
+zen-sidebar-notification-updated-heading = Update Complete!
+# See ZenSidebarNotification.mjs to see how these would be used
+
+zen-sidebar-notification-updated-label = What's new in { -brand-short-name }
+zen-sidebar-notification-updated-tooltip = 
+    .title = View Release Notes
+zen-sidebar-notification-restart-safe-mode-label = Something broke?
+zen-sidebar-notification-restart-safe-mode-tooltip = 
+    .title = Restart in Safe Mode
diff --git a/locales/ru/browser/browser/zen-general.ftl b/locales/ru/browser/browser/zen-general.ftl
index add11add8..41538608f 100644
--- a/locales/ru/browser/browser/zen-general.ftl
+++ b/locales/ru/browser/browser/zen-general.ftl
@@ -98,3 +98,12 @@ zen-site-data-panel-feature-callout-subtitle = Нажмите на значок
 zen-open-link-in-glance = 
     .label = Открыть ссылку в предпросмотре
     .accesskey = П
+zen-sidebar-notification-updated-heading = Update Complete!
+# See ZenSidebarNotification.mjs to see how these would be used
+
+zen-sidebar-notification-updated-label = What's new in { -brand-short-name }
+zen-sidebar-notification-updated-tooltip = 
+    .title = View Release Notes
+zen-sidebar-notification-restart-safe-mode-label = Something broke?
+zen-sidebar-notification-restart-safe-mode-tooltip = 
+    .title = Restart in Safe Mode
diff --git a/locales/sv-SE/browser/browser/zen-general.ftl b/locales/sv-SE/browser/browser/zen-general.ftl
index 55732320a..442a17899 100644
--- a/locales/sv-SE/browser/browser/zen-general.ftl
+++ b/locales/sv-SE/browser/browser/zen-general.ftl
@@ -98,3 +98,12 @@ zen-site-data-panel-feature-callout-subtitle = Click the icon to manage site set
 zen-open-link-in-glance = 
     .label = Open Link in Glance
     .accesskey = G
+zen-sidebar-notification-updated-heading = Update Complete!
+# See ZenSidebarNotification.mjs to see how these would be used
+
+zen-sidebar-notification-updated-label = What's new in { -brand-short-name }
+zen-sidebar-notification-updated-tooltip = 
+    .title = View Release Notes
+zen-sidebar-notification-restart-safe-mode-label = Something broke?
+zen-sidebar-notification-restart-safe-mode-tooltip = 
+    .title = Restart in Safe Mode
diff --git a/locales/th/browser/browser/zen-general.ftl b/locales/th/browser/browser/zen-general.ftl
index 7f2d3ec8c..4a0bf6481 100644
--- a/locales/th/browser/browser/zen-general.ftl
+++ b/locales/th/browser/browser/zen-general.ftl
@@ -98,3 +98,12 @@ zen-site-data-panel-feature-callout-subtitle = Click the icon to manage site set
 zen-open-link-in-glance = 
     .label = Open Link in Glance
     .accesskey = G
+zen-sidebar-notification-updated-heading = Update Complete!
+# See ZenSidebarNotification.mjs to see how these would be used
+
+zen-sidebar-notification-updated-label = What's new in { -brand-short-name }
+zen-sidebar-notification-updated-tooltip = 
+    .title = View Release Notes
+zen-sidebar-notification-restart-safe-mode-label = Something broke?
+zen-sidebar-notification-restart-safe-mode-tooltip = 
+    .title = Restart in Safe Mode
diff --git a/locales/tr/browser/browser/zen-general.ftl b/locales/tr/browser/browser/zen-general.ftl
index a6acb4375..0b98163a9 100644
--- a/locales/tr/browser/browser/zen-general.ftl
+++ b/locales/tr/browser/browser/zen-general.ftl
@@ -98,3 +98,12 @@ zen-site-data-panel-feature-callout-subtitle = Click the icon to manage site set
 zen-open-link-in-glance = 
     .label = Open Link in Glance
     .accesskey = G
+zen-sidebar-notification-updated-heading = Update Complete!
+# See ZenSidebarNotification.mjs to see how these would be used
+
+zen-sidebar-notification-updated-label = What's new in { -brand-short-name }
+zen-sidebar-notification-updated-tooltip = 
+    .title = View Release Notes
+zen-sidebar-notification-restart-safe-mode-label = Something broke?
+zen-sidebar-notification-restart-safe-mode-tooltip = 
+    .title = Restart in Safe Mode
diff --git a/locales/uk/browser/browser/zen-general.ftl b/locales/uk/browser/browser/zen-general.ftl
index 68f2cdefb..4c24ad4b7 100644
--- a/locales/uk/browser/browser/zen-general.ftl
+++ b/locales/uk/browser/browser/zen-general.ftl
@@ -98,3 +98,12 @@ zen-site-data-panel-feature-callout-subtitle = Натисніть значок,
 zen-open-link-in-glance = 
     .label = Відкрити посилання в передперегляді
     .accesskey = G
+zen-sidebar-notification-updated-heading = Оновлення завершено!
+# See ZenSidebarNotification.mjs to see how these would be used
+
+zen-sidebar-notification-updated-label = Що нового в { -brand-short-name }
+zen-sidebar-notification-updated-tooltip = 
+    .title = Переглянути примітки до випуску
+zen-sidebar-notification-restart-safe-mode-label = Щось зламалося?
+zen-sidebar-notification-restart-safe-mode-tooltip = 
+    .title = Перезапустити в безпечному режимі
diff --git a/locales/vi/browser/browser/zen-general.ftl b/locales/vi/browser/browser/zen-general.ftl
index 8f97f5c6c..9ac48b555 100644
--- a/locales/vi/browser/browser/zen-general.ftl
+++ b/locales/vi/browser/browser/zen-general.ftl
@@ -98,3 +98,12 @@ zen-site-data-panel-feature-callout-subtitle = Bấm vào biểu tượng để
 zen-open-link-in-glance = 
     .label = Open Link in Glance
     .accesskey = G
+zen-sidebar-notification-updated-heading = Update Complete!
+# See ZenSidebarNotification.mjs to see how these would be used
+
+zen-sidebar-notification-updated-label = What's new in { -brand-short-name }
+zen-sidebar-notification-updated-tooltip = 
+    .title = View Release Notes
+zen-sidebar-notification-restart-safe-mode-label = Something broke?
+zen-sidebar-notification-restart-safe-mode-tooltip = 
+    .title = Restart in Safe Mode
diff --git a/locales/zh-CN/browser/browser/zen-general.ftl b/locales/zh-CN/browser/browser/zen-general.ftl
index e04c359ba..03fa1bacf 100644
--- a/locales/zh-CN/browser/browser/zen-general.ftl
+++ b/locales/zh-CN/browser/browser/zen-general.ftl
@@ -96,3 +96,12 @@ zen-site-data-panel-feature-callout-subtitle = Click the icon to manage site set
 zen-open-link-in-glance = 
     .label = Open Link in Glance
     .accesskey = G
+zen-sidebar-notification-updated-heading = Update Complete!
+# See ZenSidebarNotification.mjs to see how these would be used
+
+zen-sidebar-notification-updated-label = What's new in { -brand-short-name }
+zen-sidebar-notification-updated-tooltip = 
+    .title = View Release Notes
+zen-sidebar-notification-restart-safe-mode-label = Something broke?
+zen-sidebar-notification-restart-safe-mode-tooltip = 
+    .title = Restart in Safe Mode
diff --git a/locales/zh-TW/browser/browser/zen-general.ftl b/locales/zh-TW/browser/browser/zen-general.ftl
index f972deb48..e25ca942d 100644
--- a/locales/zh-TW/browser/browser/zen-general.ftl
+++ b/locales/zh-TW/browser/browser/zen-general.ftl
@@ -96,3 +96,12 @@ zen-site-data-panel-feature-callout-subtitle = Click the icon to manage site set
 zen-open-link-in-glance = 
     .label = Open Link in Glance
     .accesskey = G
+zen-sidebar-notification-updated-heading = Update Complete!
+# See ZenSidebarNotification.mjs to see how these would be used
+
+zen-sidebar-notification-updated-label = What's new in { -brand-short-name }
+zen-sidebar-notification-updated-tooltip = 
+    .title = View Release Notes
+zen-sidebar-notification-restart-safe-mode-label = Something broke?
+zen-sidebar-notification-restart-safe-mode-tooltip = 
+    .title = Restart in Safe Mode