diff --git a/_data/comm-beta.json b/_data/comm-beta.json
index b207b53d..613a5b5d 100644
--- a/_data/comm-beta.json
+++ b/_data/comm-beta.json
@@ -124,13 +124,6 @@
     "calendar-invitation-panel-menu-item-toggle-changes",
     "calendar-invitation-panel-prop-title-when",
     "calendar-invitation-panel-prop-title-location",
-    "calendar-invitation-interval-all-day",
-    "calendar-invitation-interval-all-day-between-years",
-    "calendar-invitation-interval-all-day-in-month",
-    "calendar-invitation-interval-all-day-between-months",
-    "calendar-invitation-interval-same-date-time",
-    "calendar-invitation-interval-same-day",
-    "calendar-invitation-interval-several-days",
     "calendar-invitation-panel-prop-title-recurrence",
     "calendar-invitation-panel-prop-title-attendees",
     "calendar-invitation-panel-prop-title-description",
@@ -224,7 +217,11 @@
     "calendar-recurrence-preview-label",
     "calendar-recurrence-next",
     "calendar-recurrence-previous",
-    "calendar-recurrence-today"
+    "calendar-recurrence-today",
+    "monthly-order",
+    "yearly-order-day",
+    "yearly-order-ordinal",
+    "event-recurrence-monthly-last-day-label"
   ],
   "calendar/calendar/calendar-summary-dialog.ftl": [
     "calendar-summary-dialog-edit-button",
@@ -476,19 +473,9 @@
     "due-in-days",
     "due-in-hours",
     "due-in-less-than-one-hour",
-    "month-in-year-month-format",
     "format-date-long",
     "day-header",
     "day-header-elem",
-    "days-interval-in-month",
-    "days-interval-in-month-month-format",
-    "days-interval-between-months",
-    "days-interval-between-months-month-format",
-    "days-interval-between-years",
-    "days-interval-between-years-month-format",
-    "datetime-interval-on-same-date-time",
-    "datetime-interval-on-same-day",
-    "datetime-interval-on-several-days",
     "datetime-interval-task-without-date",
     "datetime-interval-task-without-due-date",
     "datetime-interval-task-without-start-date",
@@ -855,31 +842,12 @@
     "event.recurrence.monthly.fourth.label",
     "event.recurrence.monthly.fifth.label",
     "event.recurrence.monthly.last.label",
-    "event.recurrence.pattern.monthly.week.1.label",
-    "event.recurrence.pattern.monthly.week.2.label",
-    "event.recurrence.pattern.monthly.week.3.label",
-    "event.recurrence.pattern.monthly.week.4.label",
-    "event.recurrence.pattern.monthly.week.5.label",
-    "event.recurrence.pattern.monthly.week.6.label",
-    "event.recurrence.pattern.monthly.week.7.label",
     "event.recurrence.repeat.dayofmonth.label",
     "event.recurrence.repeat.recur.label",
     "event.recurrence.every.label",
     "repeat.units.years.both",
     "event.recurrence.pattern.yearly.every.month.label",
     "event.recurrence.pattern.yearly.of.label",
-    "event.recurrence.pattern.yearly.month.1.label",
-    "event.recurrence.pattern.yearly.month.2.label",
-    "event.recurrence.pattern.yearly.month.3.label",
-    "event.recurrence.pattern.yearly.month.4.label",
-    "event.recurrence.pattern.yearly.month.5.label",
-    "event.recurrence.pattern.yearly.month.6.label",
-    "event.recurrence.pattern.yearly.month.7.label",
-    "event.recurrence.pattern.yearly.month.8.label",
-    "event.recurrence.pattern.yearly.month.9.label",
-    "event.recurrence.pattern.yearly.month.10.label",
-    "event.recurrence.pattern.yearly.month.11.label",
-    "event.recurrence.pattern.yearly.month.12.label",
     "event.recurrence.yearly.every.label",
     "event.recurrence.yearly.first.label",
     "event.recurrence.yearly.second.label",
@@ -887,27 +855,8 @@
     "event.recurrence.yearly.fourth.label",
     "event.recurrence.yearly.fifth.label",
     "event.recurrence.yearly.last.label",
-    "event.recurrence.pattern.yearly.week.1.label",
-    "event.recurrence.pattern.yearly.week.2.label",
-    "event.recurrence.pattern.yearly.week.3.label",
-    "event.recurrence.pattern.yearly.week.4.label",
-    "event.recurrence.pattern.yearly.week.5.label",
-    "event.recurrence.pattern.yearly.week.6.label",
-    "event.recurrence.pattern.yearly.week.7.label",
     "event.recurrence.pattern.yearly.day.label",
     "event.recurrence.of.label",
-    "event.recurrence.pattern.yearly.month2.1.label",
-    "event.recurrence.pattern.yearly.month2.2.label",
-    "event.recurrence.pattern.yearly.month2.3.label",
-    "event.recurrence.pattern.yearly.month2.4.label",
-    "event.recurrence.pattern.yearly.month2.5.label",
-    "event.recurrence.pattern.yearly.month2.6.label",
-    "event.recurrence.pattern.yearly.month2.7.label",
-    "event.recurrence.pattern.yearly.month2.8.label",
-    "event.recurrence.pattern.yearly.month2.9.label",
-    "event.recurrence.pattern.yearly.month2.10.label",
-    "event.recurrence.pattern.yearly.month2.11.label",
-    "event.recurrence.pattern.yearly.month2.12.label",
     "event.recurrence.range.label",
     "event.recurrence.forever.label",
     "event.recurrence.repeat.for.label",
@@ -1012,18 +961,6 @@
     "yearlyOnEveryNthOfNthNounclass1",
     "yearlyOnEveryNthOfNthNounclass2",
     "yearlyEveryDayOf",
-    "repeatDetailsMonth1",
-    "repeatDetailsMonth2",
-    "repeatDetailsMonth3",
-    "repeatDetailsMonth4",
-    "repeatDetailsMonth5",
-    "repeatDetailsMonth6",
-    "repeatDetailsMonth7",
-    "repeatDetailsMonth8",
-    "repeatDetailsMonth9",
-    "repeatDetailsMonth10",
-    "repeatDetailsMonth11",
-    "repeatDetailsMonth12",
     "repeatCount",
     "repeatCountAllDay",
     "repeatDetailsUntil",
@@ -1039,7 +976,6 @@
     "itemMenuAccesskeyEvent2",
     "itemMenuLabelTask",
     "itemMenuAccesskeyTask2",
-    "emailSubjectReply",
     "specifyLinkLocation",
     "enterLinkLocation",
     "summaryDueTaskLabel",
@@ -1047,9 +983,6 @@
     "selectAFile",
     "removeCalendarsTitle",
     "removeAttachmentsText",
-    "monthlyOrder",
-    "yearlyOrder",
-    "yearlyOrder2",
     "pluralForWeekdays",
     "repeatDetailsDay1Plural",
     "repeatDetailsDay2Plural",
@@ -1059,7 +992,6 @@
     "repeatDetailsDay6Plural",
     "repeatDetailsDay7Plural",
     "eventRecurrenceForeverLabel",
-    "eventRecurrenceMonthlyLastDayLabel",
     "counterSummaryAccepted",
     "counterSummaryDeclined",
     "counterSummaryDelegated",
@@ -1472,94 +1404,6 @@
     "error.alreadyExists"
   ],
   "calendar/chrome/calendar/dateFormat.properties": [
-    "month.1.name",
-    "month.2.name",
-    "month.3.name",
-    "month.4.name",
-    "month.5.name",
-    "month.6.name",
-    "month.7.name",
-    "month.8.name",
-    "month.9.name",
-    "month.10.name",
-    "month.11.name",
-    "month.12.name",
-    "month.1.genitive",
-    "month.2.genitive",
-    "month.3.genitive",
-    "month.4.genitive",
-    "month.5.genitive",
-    "month.6.genitive",
-    "month.7.genitive",
-    "month.8.genitive",
-    "month.9.genitive",
-    "month.10.genitive",
-    "month.11.genitive",
-    "month.12.genitive",
-    "month.1.Mmm",
-    "month.2.Mmm",
-    "month.3.Mmm",
-    "month.4.Mmm",
-    "month.5.Mmm",
-    "month.6.Mmm",
-    "month.7.Mmm",
-    "month.8.Mmm",
-    "month.9.Mmm",
-    "month.10.Mmm",
-    "month.11.Mmm",
-    "month.12.Mmm",
-    "day.1.name",
-    "day.2.name",
-    "day.3.name",
-    "day.4.name",
-    "day.5.name",
-    "day.6.name",
-    "day.7.name",
-    "day.1.Mmm",
-    "day.2.Mmm",
-    "day.3.Mmm",
-    "day.4.Mmm",
-    "day.5.Mmm",
-    "day.6.Mmm",
-    "day.7.Mmm",
-    "day.1.short",
-    "day.2.short",
-    "day.3.short",
-    "day.4.short",
-    "day.5.short",
-    "day.6.short",
-    "day.7.short",
-    "day.1.number",
-    "day.2.number",
-    "day.3.number",
-    "day.4.number",
-    "day.5.number",
-    "day.6.number",
-    "day.7.number",
-    "day.8.number",
-    "day.9.number",
-    "day.10.number",
-    "day.11.number",
-    "day.12.number",
-    "day.13.number",
-    "day.14.number",
-    "day.15.number",
-    "day.16.number",
-    "day.17.number",
-    "day.18.number",
-    "day.19.number",
-    "day.20.number",
-    "day.21.number",
-    "day.22.number",
-    "day.23.number",
-    "day.24.number",
-    "day.25.number",
-    "day.26.number",
-    "day.27.number",
-    "day.28.number",
-    "day.29.number",
-    "day.30.number",
-    "day.31.number",
     "dayOrdinalSymbol",
     "noon",
     "midnight",
@@ -7862,10 +7706,6 @@
   ],
   "mail/chrome/messenger/subscribe.dtd": [
     "subscribeDialog.title",
-    "subscribeButton.label",
-    "subscribeButton.accesskey",
-    "unsubscribeButton.label",
-    "unsubscribeButton.accesskey",
     "newGroupsTab.label",
     "newGroupsTab.accesskey",
     "refreshButton.label",
@@ -9410,7 +9250,9 @@
     "wizardpage-failed-message"
   ],
   "mail/messenger/inAppNotifications.ftl": [
-    "in-app-notification-close-image"
+    "in-app-notification-close-image",
+    "-in-app-notification-accesskey",
+    "in-app-notification-instructions"
   ],
   "mail/messenger/mailWidgets.ftl": [
     "apply-current-view-to-menu",
@@ -9556,6 +9398,7 @@
     "context-menu-mark-reply",
     "context-menu-archive",
     "context-menu-mark-junk",
+    "context-menu-mark-not-junk",
     "mail-context-menu-open",
     "mail-context-menu-reply",
     "mail-context-menu-forward-redirect",
@@ -11045,6 +10888,9 @@
     "conversation-view-checkbox-label",
     "conversation-view-checkbox-description",
     "label-experiment",
+    "dark-reader-legend",
+    "dark-reader-checkbox-label",
+    "dark-reader-checkbox-description",
     "forward-label",
     "inline-label",
     "as-attachment-label",
diff --git a/_data/comm.json b/_data/comm.json
index 613a5b5d..de54c738 100644
--- a/_data/comm.json
+++ b/_data/comm.json
@@ -10891,6 +10891,9 @@
     "dark-reader-legend",
     "dark-reader-checkbox-label",
     "dark-reader-checkbox-description",
+    "account-hub-legend",
+    "account-hub-checkbox-label",
+    "account-hub-checkbox-description",
     "forward-label",
     "inline-label",
     "as-attachment-label",
diff --git a/calendar/chrome/calendar/calendar-event-dialog.dtd b/calendar/chrome/calendar/calendar-event-dialog.dtd
index 9d85985b..3da8a5bd 100644
--- a/calendar/chrome/calendar/calendar-event-dialog.dtd
+++ b/calendar/chrome/calendar/calendar-event-dialog.dtd
@@ -341,6 +341,7 @@
 <!ENTITY event.recurrence.pattern.yearly.week.7.label        "Saturday" >
 <!ENTITY event.recurrence.pattern.yearly.day.label           "day" >
 <!ENTITY event.recurrence.of.label                           "of" >
+
 <!ENTITY event.recurrence.pattern.yearly.month2.1.label      "January" >
 <!ENTITY event.recurrence.pattern.yearly.month2.2.label      "February" >
 <!ENTITY event.recurrence.pattern.yearly.month2.3.label      "March" >
diff --git a/mail/messenger/preferences/preferences.ftl b/mail/messenger/preferences/preferences.ftl
index 140abb22..18c26cfb 100644
--- a/mail/messenger/preferences/preferences.ftl
+++ b/mail/messenger/preferences/preferences.ftl
@@ -561,6 +561,14 @@ dark-reader-checkbox-label =
     .accesskey = d
 dark-reader-checkbox-description = Experimental feature to make the message pane follow dark themes
 
+account-hub-legend = Account hub
+
+account-hub-checkbox-label =
+    .label = Create accounts in the new Account Hub
+    .accesskey = C
+
+account-hub-checkbox-description = Experimental new mail account creation flow
+
 ## Compose Tab
 
 forward-label =