diff --git a/_data/beta.json b/_data/beta.json
index 5cf537982..efa02d1c0 100644
--- a/_data/beta.json
+++ b/_data/beta.json
@@ -1887,6 +1887,8 @@
     "genai-prompts-proofread.value",
     "genai-menu-ask-generic.label",
     "genai-menu-ask-provider.label",
+    "genai-menu-remove-generic.label",
+    "genai-menu-remove-provider.label",
     "genai-input-ask-generic.placeholder",
     "genai-input-ask-provider.placeholder",
     "genai-shortcuts-selected-warning-generic.heading",
@@ -5305,8 +5307,6 @@
     "tab-context-close-duplicate-tabs.accesskey",
     "tab-context-share-url.label",
     "tab-context-share-url.accesskey",
-    "tab-context-enable-vertical-tabs.label",
-    "tab-context-disable-vertical-tabs.label",
     "tab-context-reopen-closed-tabs.label",
     "tab-context-reopen-closed-tabs.accesskey",
     "tab-context-close-n-tabs.label",
diff --git a/_data/master.json b/_data/master.json
index 8ae8c69be..cac3f7af0 100644
--- a/_data/master.json
+++ b/_data/master.json
@@ -43,8 +43,8 @@
     "community-2",
     "helpus",
     "bottomLinks-license",
-    "bottomLinks-rights",
-    "bottomLinks-privacy",
+    "bottom-links-terms",
+    "bottom-links-privacy",
     "aboutDialog-version",
     "aboutDialog-version-nightly",
     "aboutdialog-version-arch",
@@ -475,7 +475,8 @@
     "all-tabs-menu-hidden-tabs.label",
     "all-tabs-menu-close-all-duplicate-tabs.label",
     "all-tabs-menu-synced-tabs.label",
-    "all-tabs-menu-current-window-header"
+    "all-tabs-menu-current-window-header",
+    "all-tabs-menu-tab-groups-show-all.label"
   ],
   "browser/browser/appExtensionFields.ftl": [
     "extension-default-theme-name-auto",
@@ -936,6 +937,9 @@
     "urlbar-result-action-tabtosearch-other-engine",
     "urlbar-result-action-copy-to-clipboard",
     "urlbar-result-action-calculator-result",
+    "urlbar-result-action-undefined-calculator-result",
+    "urlbar-result-action-calculator-result-2",
+    "urlbar-result-action-calculator-result-scientific-notation",
     "urlbar-searchmode-button2.label",
     "urlbar-searchmode-button2.tooltiptext",
     "urlbar-searchmode-button-no-engine.label",
@@ -947,7 +951,7 @@
     "urlbar-searchmode-actions.label",
     "urlbar-searchmode-exit-button.tooltiptext",
     "urlbar-searchmode-popup-description",
-    "urlbar-searchmode-popup-search-settings",
+    "urlbar-searchmode-popup-search-settings-menuitem.label",
     "urlbar-result-search-with",
     "urlbar-result-search-with-local-search-mode",
     "urlbar-result-search-with-engine-keywords",
@@ -2028,7 +2032,6 @@
     "menu-view-bookmarks.label",
     "menu-view-history-button.label",
     "menu-view-synced-tabs-sidebar.label",
-    "menu-view-megalist-sidebar.label",
     "menu-view-full-zoom.label",
     "menu-view-full-zoom.accesskey",
     "menu-view-full-zoom-enlarge.label",
@@ -2521,6 +2524,10 @@
     "newtab-custom-settings",
     "newtab-wallpaper-title",
     "newtab-wallpaper-reset",
+    "newtab-wallpaper-upload-image",
+    "newtab-wallpaper-custom-color",
+    "newtab-wallpaper-error-max-file-size",
+    "newtab-wallpaper-error-file-type",
     "newtab-wallpaper-light-red-panda",
     "newtab-wallpaper-light-mountain",
     "newtab-wallpaper-light-sky",
@@ -2558,6 +2565,10 @@
     "newtab-wallpaper-abstract-orange",
     "newtab-wallpaper-gradient-orange",
     "newtab-wallpaper-abstract-blue-purple",
+    "newtab-wallpaper-abstract-white-curves",
+    "newtab-wallpaper-abstract-purple-green",
+    "newtab-wallpaper-abstract-blue-purple-waves",
+    "newtab-wallpaper-abstract-black-waves",
     "newtab-wallpaper-category-title-photographs",
     "newtab-wallpaper-beach-at-sunrise",
     "newtab-wallpaper-beach-at-sunset",
@@ -2565,6 +2576,19 @@
     "newtab-wallpaper-sky-with-pink-clouds",
     "newtab-wallpaper-red-panda-yawns-in-a-tree",
     "newtab-wallpaper-white-mountains",
+    "newtab-wallpaper-hot-air-balloons",
+    "newtab-wallpaper-starry-canyon",
+    "newtab-wallpaper-suspension-bridge",
+    "newtab-wallpaper-sand-dunes",
+    "newtab-wallpaper-palm-trees",
+    "newtab-wallpaper-forest-trees",
+    "newtab-wallpaper-category-title-celestial",
+    "newtab-wallpaper-celestial-lunar-eclipse",
+    "newtab-wallpaper-celestial-earth-night",
+    "newtab-wallpaper-celestial-starry-sky",
+    "newtab-wallpaper-celestial-eclipse-time-lapse",
+    "newtab-wallpaper-celestial-black-hole",
+    "newtab-wallpaper-celestial-river",
     "newtab-wallpaper-attribution",
     "newtab-wallpaper-feature-highlight-header",
     "newtab-wallpaper-feature-highlight-content",
@@ -2621,15 +2645,15 @@
     "newtab-section-block-button",
     "newtab-section-blocked-button",
     "newtab-section-unblock-button",
-    "newtab-section-confirm-block-section-p1",
-    "newtab-section-confirm-block-section-p2",
-    "newtab-section-block-section-button",
+    "newtab-section-confirm-block-topic-p1",
+    "newtab-section-confirm-block-topic-p2",
+    "newtab-section-block-topic-button",
     "newtab-section-cancel-button",
     "newtab-section-mangage-topics-title",
-    "newtab-section-mangage-topics-button.label",
-    "newtab-section-mangage-topics-followed-topics-subtitle",
+    "newtab-section-manage-topics-button-v2.label",
+    "newtab-section-mangage-topics-followed-topics",
     "newtab-section-mangage-topics-followed-topics-empty-state",
-    "newtab-section-mangage-topics-blocked-topics-subtitle",
+    "newtab-section-mangage-topics-blocked-topics",
     "newtab-section-mangage-topics-blocked-topics-empty-state"
   ],
   "browser/browser/newtab/onboarding.ftl": [
@@ -2802,7 +2826,8 @@
     "desktop-to-mobile-headline",
     "desktop-to-mobile-subtitle",
     "dismiss-button-label",
-    "sync-to-mobile-button-label"
+    "sync-to-mobile-button-label",
+    "desktop-to-mobile-qr-code-alt.aria-label"
   ],
   "browser/browser/originControls.ftl": [
     "origin-controls-no-access.label",
@@ -3758,6 +3783,10 @@
     "preferences-data-migration-description",
     "preferences-data-migration-button.label",
     "preferences-data-migration-button.accesskey",
+    "preferences-profiles-header",
+    "preferences-manage-profiles-description",
+    "preferences-manage-profiles-learn-more",
+    "preferences-manage-profiles-button.label",
     "tabs-group-header",
     "ctrl-tab-recently-used-order.label",
     "ctrl-tab-recently-used-order.accesskey",
@@ -4408,8 +4437,6 @@
     "preferences-doh-setting-off.label",
     "preferences-doh-setting-off.accesskey",
     "preferences-doh-off-desc",
-    "preferences-doh-checkbox-warn.label",
-    "preferences-doh-checkbox-warn.accesskey",
     "preferences-doh-select-resolver",
     "preferences-doh-manage-exceptions.label",
     "preferences-doh-manage-exceptions.accesskey",
@@ -4518,9 +4545,9 @@
     "edit-profile-page-title",
     "edit-profile-page-header",
     "edit-profile-page-profile-name-label",
-    "edit-profile-page-theme-header",
+    "edit-profile-page-theme-header-2.label",
     "edit-profile-page-explore-themes",
-    "edit-profile-page-avatar-header",
+    "edit-profile-page-avatar-header-2.label",
     "edit-profile-page-delete-button.label",
     "edit-profile-page-no-name",
     "edit-profile-page-duplicate-name",
@@ -4557,7 +4584,13 @@
     "flower-avatar-alt.alt",
     "heart-avatar-alt.alt",
     "shopping-avatar-alt.alt",
-    "star-avatar-alt.alt"
+    "star-avatar-alt.alt",
+    "book-avatar",
+    "briefcase-avatar",
+    "flower-avatar",
+    "heart-avatar",
+    "shopping-avatar",
+    "star-avatar"
   ],
   "browser/browser/protections.ftl": [
     "graph-week-summary",
@@ -5050,6 +5083,7 @@
   "browser/browser/sidebar.ftl": [
     "menu-view-genai-chat.label",
     "menu-view-review-checker.label",
+    "menu-view-contextual-password-manager.label",
     "sidebar-options-menu-button.title",
     "sidebar-history-date-today.heading",
     "sidebar-history-date-yesterday.heading",
@@ -5084,6 +5118,7 @@
     "sidebar-menu-bookmarks-label.label",
     "sidebar-menu-customize-label.label",
     "sidebar-menu-review-checker-label.label",
+    "sidebar-menu-contextual-password-manager-label.label",
     "sidebar-menu-open-history-tooltip",
     "sidebar-menu-close-history-tooltip",
     "sidebar-menu-open-bookmarks-tooltip",
@@ -5097,6 +5132,7 @@
     "sidebar-menu-history-header.heading",
     "sidebar-menu-syncedtabs-header.heading",
     "sidebar-menu-bookmarks-header.heading",
+    "sidebar-menu-cpm-header.heading",
     "sidebar-customize-title",
     "sidebar-history-title",
     "sidebar-syncedtabs-title",
@@ -5310,8 +5346,6 @@
     "tab-context-close-duplicate-tabs.accesskey",
     "tab-context-share-url.label",
     "tab-context-share-url.accesskey",
-    "tab-context-enable-vertical-tabs.label",
-    "tab-context-disable-vertical-tabs.label",
     "tab-context-reopen-closed-tabs.label",
     "tab-context-reopen-closed-tabs.accesskey",
     "tab-context-close-n-tabs.label",
@@ -5376,7 +5410,6 @@
     "tabbrowser-manager-closed-tab-group.tooltiptext",
     "tabbrowser-manager-current-window-tab-group.label",
     "tabbrowser-manager-current-window-tab-group.tooltiptext",
-    "tabbrowser-manager-tab-groups-show-more.label",
     "tab-group-menu-header",
     "tab-group-name-default",
     "tab-group-editor-title-create",
@@ -7064,7 +7097,15 @@
     "fontinspector.lineHeightLabelCapitalized",
     "fontinspector.allFontsOnPageHeader",
     "fontinspector.fontsUsedLabel",
-    "fontinspector.previewTextPlaceholder"
+    "fontinspector.previewTextPlaceholder",
+    "fontinspector.fontVersion",
+    "fontinspector.fontDesigner",
+    "fontinspector.fontManufacturer",
+    "fontinspector.fontVendor",
+    "fontinspector.fontDescription",
+    "fontinspector.fontLicense",
+    "fontinspector.fontLicenseInfoUrl",
+    "fontinspector.showFullText"
   ],
   "devtools/client/har.properties": [
     "har.responseBodyNotIncluded",
@@ -7403,6 +7444,7 @@
     "netmonitor.request.raw",
     "requestHeaders",
     "requestHeadersFromUpload",
+    "earlyHintsResponseHeaders",
     "responseHeaders",
     "requestCookies",
     "responseCookies",
@@ -7733,6 +7775,7 @@
     "netmonitor.context.saveAllAsHar",
     "netmonitor.context.saveAllAsHar.accesskey",
     "netmonitor.context.importHar.accesskey",
+    "netmonitor.context.hintRequestNotAvailable",
     "netmonitor.har.importHarDialogTitle",
     "netmonitor.har.importDialogHARFilter",
     "netmonitor.har.importDialogAllFilter",
@@ -10829,9 +10872,11 @@
     "crashreporter-view-report-title",
     "crashreporter-comment-prompt",
     "crashreporter-report-info",
-    "crashreporter-send-report",
-    "crashreporter-include-url",
+    "crashreporter-checkbox-test-hardware",
+    "crashreporter-checkbox-send-report",
+    "crashreporter-checkbox-include-url",
     "crashreporter-submit-status",
+    "crashreporter-submit-waiting-hardware-tests",
     "crashreporter-submit-in-progress",
     "crashreporter-submit-success",
     "crashreporter-submit-failure",
@@ -12861,7 +12906,10 @@
     "text-action-spell-dictionaries.label",
     "text-action-spell-dictionaries.accesskey",
     "text-action-search-text-box-clear.title",
-    "text-action-highlight-selection.label"
+    "text-action-highlight-selection.label",
+    "text-action-copy-link-to-highlight.label",
+    "text-action-copy-clean-link-to-highlight.label",
+    "text-action-remove-all-highlights.label"
   ],
   "toolkit/toolkit/global/tree.ftl": [
     "tree-columnpicker-restore-order.label"
@@ -13487,8 +13535,6 @@
     "connectionFailure-title",
     "deniedPortAccess-title",
     "dnsNotFound-title",
-    "dns-not-found-trr-only-title2",
-    "dns-not-found-native-fallback-title2",
     "fileNotFound-title",
     "fileAccessDenied-title",
     "generic-title",
@@ -13568,8 +13614,6 @@
     "neterror-add-exception-button",
     "neterror-settings-button",
     "neterror-view-certificate-link",
-    "neterror-trr-continue-this-time",
-    "neterror-disable-native-feedback-warning",
     "neterror-pref-reset",
     "neterror-generic-error",
     "neterror-load-error-try-again",
@@ -13593,9 +13637,6 @@
     "neterror-dns-not-found-bad-trr-url",
     "neterror-dns-not-found-system-sleep",
     "neterror-dns-not-found-trr-unknown-problem",
-    "neterror-dns-not-found-native-fallback-reason2",
-    "neterror-dns-not-found-native-fallback-heuristic",
-    "neterror-dns-not-found-native-fallback-not-confirmed2",
     "neterror-file-not-found-filename",
     "neterror-file-not-found-moved",
     "neterror-access-denied",
@@ -14164,6 +14205,8 @@
     "pdfjs-highlight-floating-button1.title",
     "pdfjs-highlight-floating-button1.aria-label",
     "pdfjs-highlight-floating-button-label",
+    "pdfjs-editor-signature-button.title",
+    "pdfjs-editor-signature-button-label",
     "pdfjs-editor-remove-ink-button.title",
     "pdfjs-editor-remove-freetext-button.title",
     "pdfjs-editor-remove-stamp-button.title",
@@ -14178,6 +14221,8 @@
     "pdfjs-editor-stamp-add-image-button-label",
     "pdfjs-editor-free-highlight-thickness-input",
     "pdfjs-editor-free-highlight-thickness-title.title",
+    "pdfjs-editor-signature-add-signature-button.title",
+    "pdfjs-editor-signature-add-signature-button-label",
     "pdfjs-free-text2.aria-label",
     "pdfjs-free-text2.default-content",
     "pdfjs-ink.aria-label",
@@ -14284,7 +14329,12 @@
     "pdfjs-editor-add-signature-image-upload-error-description",
     "pdfjs-editor-add-signature-error-close-button",
     "pdfjs-editor-add-signature-cancel-button",
-    "pdfjs-editor-add-signature-add-button"
+    "pdfjs-editor-add-signature-add-button",
+    "pdfjs-editor-delete-signature-button.title",
+    "pdfjs-editor-delete-signature-button-label",
+    "pdfjs-editor-add-signature-edit-button-label",
+    "pdfjs-editor-edit-signature-dialog-title",
+    "pdfjs-editor-edit-signature-update-button"
   ],
   "toolkit/toolkit/pictureinpicture/pictureinpicture.ftl": [
     "pictureinpicture-player-title",
diff --git a/browser/browser/aboutDialog.ftl b/browser/browser/aboutDialog.ftl
index 35f998256..ed140b01f 100644
--- a/browser/browser/aboutDialog.ftl
+++ b/browser/browser/aboutDialog.ftl
@@ -51,6 +51,8 @@ community-exp = <label data-l10n-name="community-exp-mozillaLink">{ -vendor-shor
 community-2 = { -brand-short-name } is designed by <label data-l10n-name="community-mozillaLink">{ -vendor-short-name }</label>, a <label data-l10n-name="community-creditsLink">global community</label> working together to keep the Web open, public and accessible to all.
 helpus = Want to help? <label data-l10n-name="helpus-donateLink">Make a donation</label> or <label data-l10n-name="helpus-getInvolvedLink">get involved!</label>
 bottomLinks-license = Licensing Information
+bottom-links-terms = Terms of Use
+bottom-links-privacy = Privacy Notice
 bottomLinks-rights = End-User Rights
 bottomLinks-privacy = Privacy Policy
 # Example of resulting string: 66.0.1 (64-bit)
diff --git a/browser/browser/allTabsMenu.ftl b/browser/browser/allTabsMenu.ftl
index 6361a32c3..3a4fdc4ab 100644
--- a/browser/browser/allTabsMenu.ftl
+++ b/browser/browser/allTabsMenu.ftl
@@ -19,3 +19,7 @@ all-tabs-menu-close-all-duplicate-tabs =
 all-tabs-menu-synced-tabs =
     .label = Tabs from other devices
 all-tabs-menu-current-window-header = Current window
+# "Show all" is for showing all open groups as well as saved groups. Initially,
+# we only show up to five of these groups.
+all-tabs-menu-tab-groups-show-all =
+    .label = Show all
diff --git a/browser/browser/browser.ftl b/browser/browser/browser.ftl
index 264f85a49..e09563613 100644
--- a/browser/browser/browser.ftl
+++ b/browser/browser/browser.ftl
@@ -671,6 +671,19 @@ urlbar-result-action-copy-to-clipboard = Copy
 # Variables
 #  $result (String): the string representation for a formula result
 urlbar-result-action-calculator-result = = { $result }
+# The string returned for an undefined calculator result such as when dividing by 0
+urlbar-result-action-undefined-calculator-result = undefined
+# Shows the result of a formula expression being calculated, to a maximum of 9 significant
+# digits. The last = sign will be shown as part of the result (e.g. "= 2").
+# Variables
+#  $result (String): the string representation for a formula result
+urlbar-result-action-calculator-result-2 = = { NUMBER($result, maximumSignificantDigits: 9) }
+# Shows the result of a formula expression being calculated, in scientific notation.
+# The last = sign will be shown as part of the result (e.g. "= 1.0e17").
+# Variables
+#  $result (String): the string representation for a result in scientific notation
+#  (e.g. "1.0e17").
+urlbar-result-action-calculator-result-scientific-notation = = { $result }
 
 ## Strings used for buttons in the urlbar
 
@@ -698,7 +711,11 @@ urlbar-searchmode-actions =
     .label = Actions
 urlbar-searchmode-exit-button =
     .tooltiptext = Close
+# Label shown on the top of Searchmode Switcher popup. After this label, the
+# available search engines will be listed.
 urlbar-searchmode-popup-description = This time search with:
+urlbar-searchmode-popup-search-settings-menuitem =
+    .label = Search Settings
 urlbar-searchmode-popup-search-settings = Search Settings
 # Searchmode Switcher button
 # Variables:
diff --git a/browser/browser/newtab/newtab.ftl b/browser/browser/newtab/newtab.ftl
index 8f6f6e79e..129c9dfd7 100644
--- a/browser/browser/newtab/newtab.ftl
+++ b/browser/browser/newtab/newtab.ftl
@@ -122,7 +122,7 @@ newtab-menu-about-fakespot = About { -fakespot-brand-name }
 newtab-menu-section-block = Block
 # "Follow", "unfollow", and "following" are social media terms that refer to subscribing to or unsubscribing from a section of stories.
 # e.g. Following the travel section of stories.
-newtab-menu-section-unfollow = Unfollow Topic
+newtab-menu-section-unfollow = Unfollow topic
 
 ## Message displayed in a modal window to explain privacy and provide context for sponsored content.
 
@@ -316,6 +316,12 @@ newtab-custom-settings = Manage more settings
 
 newtab-wallpaper-title = Wallpapers
 newtab-wallpaper-reset = Reset to default
+newtab-wallpaper-upload-image = Upload an image
+newtab-wallpaper-custom-color = Choose a color
+# Variables
+#   $file_size (number) - The number of the maximum image file size (in MB) that may be uploaded
+newtab-wallpaper-error-max-file-size = The image exceeded the file size limit of { $file_size }MB. Please try uploading a smaller file.
+newtab-wallpaper-error-file-type = We couldn’t upload your file. Please try again with different file type.
 newtab-wallpaper-light-red-panda = Red panda
 newtab-wallpaper-light-mountain = White mountain
 newtab-wallpaper-light-sky = Sky with purple and pink clouds
@@ -359,8 +365,12 @@ newtab-wallpaper-abstract-purple = Purple shapes
 newtab-wallpaper-abstract-orange = Orange shapes
 newtab-wallpaper-gradient-orange = Gradient orange and pink
 newtab-wallpaper-abstract-blue-purple = Blue and purple shapes
+newtab-wallpaper-abstract-white-curves = White with shaded curves
+newtab-wallpaper-abstract-purple-green = Purple and green light gradient
+newtab-wallpaper-abstract-blue-purple-waves = Blue and purple wavy shapes
+newtab-wallpaper-abstract-black-waves = Black wavy shapes
 
-## Photographs
+## Celestial
 
 newtab-wallpaper-category-title-photographs = Photographs
 newtab-wallpaper-beach-at-sunrise = Beach at sunrise
@@ -369,6 +379,12 @@ newtab-wallpaper-storm-sky = Storm sky
 newtab-wallpaper-sky-with-pink-clouds = Sky with pink clouds
 newtab-wallpaper-red-panda-yawns-in-a-tree = Red panda yawns in a tree
 newtab-wallpaper-white-mountains = White mountains
+newtab-wallpaper-hot-air-balloons = Assorted color of hot air balloons during daytime
+newtab-wallpaper-starry-canyon = Blue starry night
+newtab-wallpaper-suspension-bridge = Grey full-suspension bridge photography during daytime
+newtab-wallpaper-sand-dunes = White sand dunes
+newtab-wallpaper-palm-trees = Silhouette of coconut palm trees during golden hour
+newtab-wallpaper-forest-trees = Trees covered with fog
 # Variables
 #   $author_string (String) - The name of the creator of the photo.
 #   $webpage_string (String) - The name of the webpage where the photo is located.
@@ -384,6 +400,19 @@ feature-highlight-wallpaper =
     .title = { -newtab-wallpaper-feature-highlight-header }
     .aria-label = { -newtab-wallpaper-feature-highlight-content }
 
+## Celestial
+
+# “Celestial” referring to astronomy; positioned in or relating to the sky,
+# or outer space as observed in astronomy.
+# Not to be confused with religious definition of the word.
+newtab-wallpaper-category-title-celestial = Celestial
+newtab-wallpaper-celestial-lunar-eclipse = Lunar eclipse
+newtab-wallpaper-celestial-earth-night = Night photo from low Earth orbit
+newtab-wallpaper-celestial-starry-sky = Starry sky
+newtab-wallpaper-celestial-eclipse-time-lapse = Lunar eclipse time lapse
+newtab-wallpaper-celestial-black-hole = Black hole galaxy illustration
+newtab-wallpaper-celestial-river = Satellite image of river
+
 ## New Tab Weather
 
 # Variables:
@@ -478,13 +507,22 @@ newtab-section-confirm-block-section-p1 = Are you sure you want to block this se
 newtab-section-confirm-block-section-p2 = Blocked section will no longer appear in your feed.
 newtab-section-block-section-button = Block this section
 newtab-section-cancel-button = Not now
+newtab-section-confirm-block-topic-p1 = Are you sure you want to block this topic?
+newtab-section-confirm-block-topic-p2 = Blocked topics will no longer appear in your feed.
+# Variables:
+#   $topic (string) - Name of topic that user is blocking
+newtab-section-block-topic-button = Block { $topic }
 
 ## Panel in the Customize menu section to manage followed and blocked topics
 
 newtab-section-mangage-topics-title = Topics
+newtab-section-manage-topics-button-v2 =
+    .label = Manage topics
+newtab-section-mangage-topics-followed-topics = Followed
 newtab-section-mangage-topics-button =
     .label = Followed and blocked topics
 newtab-section-mangage-topics-followed-topics-subtitle = Followed Topics
 newtab-section-mangage-topics-followed-topics-empty-state = You have not followed any topics yet.
+newtab-section-mangage-topics-blocked-topics = Blocked
 newtab-section-mangage-topics-blocked-topics-subtitle = Blocked Topics
 newtab-section-mangage-topics-blocked-topics-empty-state = You have not blocked any topics yet.
diff --git a/browser/browser/newtab/onboarding.ftl b/browser/browser/newtab/onboarding.ftl
index db72243d4..1e8baed56 100644
--- a/browser/browser/newtab/onboarding.ftl
+++ b/browser/browser/newtab/onboarding.ftl
@@ -468,3 +468,5 @@ desktop-to-mobile-headline = Download, sync, and go!
 desktop-to-mobile-subtitle = Scan the QR code to download { -brand-product-name } for mobile. Once installed, select “Sync to mobile” to access your passwords, bookmarks, and more on the go.
 dismiss-button-label = Dismiss
 sync-to-mobile-button-label = Sync to mobile
+desktop-to-mobile-qr-code-alt =
+    .aria-label = QR code to download { -brand-product-name } for mobile
diff --git a/browser/browser/preferences/preferences.ftl b/browser/browser/preferences/preferences.ftl
index a884d0d6d..e6e382a52 100644
--- a/browser/browser/preferences/preferences.ftl
+++ b/browser/browser/preferences/preferences.ftl
@@ -148,6 +148,11 @@ preferences-data-migration-description = Import bookmarks, passwords, history, a
 preferences-data-migration-button =
     .label = Import Data
     .accesskey = m
+preferences-profiles-header = Profiles
+preferences-manage-profiles-description = Each profile has separate browsing data and settings, including history, passwords, and more.
+preferences-manage-profiles-learn-more = Learn more
+preferences-manage-profiles-button =
+    .label = Manage Profiles
 tabs-group-header = Tabs
 ctrl-tab-recently-used-order =
     .label = Ctrl+Tab cycles through tabs in recently used order
diff --git a/browser/browser/profiles.ftl b/browser/browser/profiles.ftl
index b9e1936dc..53062b596 100644
--- a/browser/browser/profiles.ftl
+++ b/browser/browser/profiles.ftl
@@ -27,8 +27,12 @@ original-profile-name = Original profile
 edit-profile-page-title = Edit profile
 edit-profile-page-header = Edit your profile
 edit-profile-page-profile-name-label = Profile name
+edit-profile-page-theme-header-2 =
+    .label = Theme
 edit-profile-page-theme-header = Theme
 edit-profile-page-explore-themes = Explore more themes
+edit-profile-page-avatar-header-2 =
+    .label = Avatar
 edit-profile-page-avatar-header = Avatar
 edit-profile-page-delete-button =
     .label = Delete
@@ -109,3 +113,12 @@ shopping-avatar-alt =
     .alt = Shopping cart
 star-avatar-alt =
     .alt = Star
+
+## Labels for default avatar icons
+
+book-avatar = Book
+briefcase-avatar = Briefcase
+flower-avatar = Flower
+heart-avatar = Heart
+shopping-avatar = Shopping cart
+star-avatar = Star
diff --git a/browser/browser/sidebar.ftl b/browser/browser/sidebar.ftl
index 6084337fe..5662b242d 100644
--- a/browser/browser/sidebar.ftl
+++ b/browser/browser/sidebar.ftl
@@ -6,6 +6,8 @@ menu-view-genai-chat =
     .label = AI Chatbot
 menu-view-review-checker =
     .label = Review Checker
+menu-view-contextual-password-manager =
+    .label = Passwords
 sidebar-options-menu-button =
     .title = Open menu
 
@@ -115,6 +117,8 @@ sidebar-menu-customize-label =
     .label = Customize sidebar
 sidebar-menu-review-checker-label =
     .label = Review Checker
+sidebar-menu-contextual-password-manager-label =
+    .label = Passwords
 
 ## Tooltips for sidebar menu items.
 
@@ -157,6 +161,8 @@ sidebar-menu-syncedtabs-header =
     .heading = Tabs from other devices
 sidebar-menu-bookmarks-header =
     .heading = Bookmarks
+sidebar-menu-cpm-header =
+    .heading = Passwords
 sidebar-panel-header-close-button =
     .tooltiptext = Close
 
diff --git a/browser/browser/tabContextMenu.ftl b/browser/browser/tabContextMenu.ftl
index 8c41d2c37..2c1ac86d6 100644
--- a/browser/browser/tabContextMenu.ftl
+++ b/browser/browser/tabContextMenu.ftl
@@ -84,10 +84,6 @@ tab-context-close-duplicate-tabs =
 tab-context-share-url =
     .label = Share
     .accesskey = h
-tab-context-enable-vertical-tabs =
-    .label = Turn on Vertical Tabs
-tab-context-disable-vertical-tabs =
-    .label = Turn off Vertical Tabs
 # In left-to-right languages this should use "Right" and in right-to-left languages this should use "Left" to indicate the direction a new tab will open.
 tab-context-new-tab-open =
     .label = New Tab to Right
diff --git a/devtools/client/font-inspector.properties b/devtools/client/font-inspector.properties
index f537ff61f..0b3f9af89 100644
--- a/devtools/client/font-inspector.properties
+++ b/devtools/client/font-inspector.properties
@@ -53,3 +53,27 @@ fontinspector.fontsUsedLabel = Fonts Used
 # LOCALIZATION NOTE (fontinspector.previewTextPlaceholder): Placeholder for the input
 # where the user can type text to get a preview of it using a font.
 fontinspector.previewTextPlaceholder = Font Preview Text
+# LOCALIZATION NOTE (fontinspector.fontVersion): Label for the font version,
+# displayed in the "All Fonts on Page" section.
+fontinspector.fontVersion = Version:
+# LOCALIZATION NOTE (fontinspector.fontDesigner): Label for the font designer,
+# displayed in the "All Fonts on Page" section.
+fontinspector.fontDesigner = Designer:
+# LOCALIZATION NOTE (fontinspector.fontManufacturer): Label for the font manufacturer,
+# displayed in the "All Fonts on Page" section.
+fontinspector.fontManufacturer = Manufacturer:
+# LOCALIZATION NOTE (fontinspector.fontVendor): Label for the font vendor,
+# displayed in the "All Fonts on Page" section.
+fontinspector.fontVendor = Vendor:
+# LOCALIZATION NOTE (fontinspector.fontDescription): Label for the font description,
+# displayed in the "All Fonts on Page" section.
+fontinspector.fontDescription = Description:
+# LOCALIZATION NOTE (fontinspector.fontLicense): Label for the font license,
+# displayed in the "All Fonts on Page" section.
+fontinspector.fontLicense = License:
+# LOCALIZATION NOTE (fontinspector.fontLicenseInfoUrl): Label for the font license URL,
+# displayed in the "All Fonts on Page" section.
+fontinspector.fontLicenseInfoUrl = License Info URL:
+# LOCALIZATION NOTE (fontinspector.showFullText): Label for the expand/toggle button we
+# display in the UI when truncating long string (e.g. Description or License).
+fontinspector.showFullText = Expand
diff --git a/devtools/client/netmonitor.properties b/devtools/client/netmonitor.properties
index a4c9d029a..d7fdc5b50 100644
--- a/devtools/client/netmonitor.properties
+++ b/devtools/client/netmonitor.properties
@@ -100,6 +100,10 @@ requestHeaders = Request Headers
 # in the network details headers tab identifying the request headers from
 # the upload stream of a POST request's body.
 requestHeadersFromUpload = Request headers from upload stream
+# LOCALIZATION NOTE (earlyHintsResponseHeaders): This is the label displayed
+# in the network details headers tab identifying the early hints response headers.
+# Do not translate `Early Hints`, since it's the header type.
+earlyHintsResponseHeaders = Early Hints Response Headers
 # LOCALIZATION NOTE (responseHeaders): This is the label displayed
 # in the network details headers tab identifying the response headers.
 responseHeaders = Response Headers
@@ -1176,6 +1180,10 @@ netmonitor.context.saveAllAsHar.accesskey = H
 # LOCALIZATION NOTE (netmonitor.context.importHar.accesskey): This is the access key
 # for the Import HAR menu item displayed in the context menu for a network panel
 netmonitor.context.importHar.accesskey = I
+# LOCALIZATION NOTE (netmonitor.context.hintRequestNotAvailable): This is the label
+# displayed on the context menu for requests in search-panel result entries when no
+# other operations are possible as the request no longer exists.
+netmonitor.context.hintRequestNotAvailable = No operations possible because the request is no longer available
 # LOCALIZATION NOTE (netmonitor.har.importHarDialogTitle): This is a label
 # used for import file open dialog
 netmonitor.har.importHarDialogTitle = Import HAR File
diff --git a/toolkit/crashreporter/crashreporter.ftl b/toolkit/crashreporter/crashreporter.ftl
index ba30a761e..aafd6c8ae 100644
--- a/toolkit/crashreporter/crashreporter.ftl
+++ b/toolkit/crashreporter/crashreporter.ftl
@@ -17,9 +17,13 @@ crashreporter-loading-details = Loading…
 crashreporter-view-report-title = Report Contents
 crashreporter-comment-prompt = Add a comment (comments are publicly visible)
 crashreporter-report-info = This report also contains technical information about the state of the application when it crashed.
+crashreporter-checkbox-test-hardware = Check for hardware and configuration problems on my device.
+crashreporter-checkbox-send-report = Tell { -vendor-short-name } about this crash so they can fix it.
+crashreporter-checkbox-include-url = Include the address of the page I was on.
 crashreporter-send-report = Tell { -vendor-short-name } about this crash so they can fix it.
 crashreporter-include-url = Include the address of the page I was on.
 crashreporter-submit-status = Your crash report will be submitted before you quit or restart.
+crashreporter-submit-waiting-hardware-tests = Checking for hardware and configuration problems…
 crashreporter-submit-in-progress = Submitting your report…
 crashreporter-submit-success = Report submitted successfully!
 crashreporter-submit-failure = There was a problem submitting your report.
diff --git a/toolkit/toolkit/global/textActions.ftl b/toolkit/toolkit/global/textActions.ftl
index acaf685b1..8b73b7c48 100644
--- a/toolkit/toolkit/global/textActions.ftl
+++ b/toolkit/toolkit/global/textActions.ftl
@@ -73,3 +73,16 @@ text-action-search-text-box-clear =
     .title = Clear
 text-action-highlight-selection =
     .label = Highlight Selection
+# "Copy Link to Highlight" creates a permanent 'Text Fragment' link
+# to the current selection, and copies it into the user's clipboard.
+text-action-copy-link-to-highlight =
+    .label = Copy Link to Highlight
+# This combines "Copy Link to Highlight" with "Copy Clean Link", ie.
+# it creates a link with a text fragment to the current selection
+# and it strips trackers etc.
+text-action-copy-clean-link-to-highlight =
+    .label = Copy Clean Link to Highlight
+# If the page has been loaded with a text fragment and text is
+# visibly highlighted, this removes any highlighted sections on the page.
+text-action-remove-all-highlights =
+    .label = Remove All Highlights
diff --git a/toolkit/toolkit/pdfviewer/viewer.ftl b/toolkit/toolkit/pdfviewer/viewer.ftl
index 5980068bc..2bd1e3cbc 100644
--- a/toolkit/toolkit/pdfviewer/viewer.ftl
+++ b/toolkit/toolkit/pdfviewer/viewer.ftl
@@ -316,6 +316,9 @@ pdfjs-highlight-floating-button1 =
     .title = Highlight
     .aria-label = Highlight
 pdfjs-highlight-floating-button-label = Highlight
+pdfjs-editor-signature-button =
+    .title = Add signature
+pdfjs-editor-signature-button-label = Add signature
 
 ## Remove button for the various kind of editor.
 
@@ -345,6 +348,9 @@ pdfjs-editor-stamp-add-image-button-label = Add image
 pdfjs-editor-free-highlight-thickness-input = Thickness
 pdfjs-editor-free-highlight-thickness-title =
     .title = Change thickness when highlighting items other than text
+pdfjs-editor-signature-add-signature-button =
+    .title = Add new signature
+pdfjs-editor-signature-add-signature-button-label = Add new signature
 # .default-content is used as a placeholder in an empty text editor.
 pdfjs-free-text2 =
     .aria-label = Text Editor
@@ -570,3 +576,18 @@ pdfjs-editor-add-signature-error-close-button = Close
 
 pdfjs-editor-add-signature-cancel-button = Cancel
 pdfjs-editor-add-signature-add-button = Add
+pdfjs-editor-edit-signature-update-button = Update
+
+## Main menu for adding/removing signatures
+
+pdfjs-editor-delete-signature-button =
+    .title = Remove signature
+pdfjs-editor-delete-signature-button-label = Remove signature
+
+## Editor toolbar
+
+pdfjs-editor-add-signature-edit-button-label = Edit description
+
+## Edit signature description dialog
+
+pdfjs-editor-edit-signature-dialog-title = Edit description