diff --git a/src/cascadia/TerminalSettingsModel/MTSMSettings.h b/src/cascadia/TerminalSettingsModel/MTSMSettings.h
index cde90f910b1..0375d2802ff 100644
--- a/src/cascadia/TerminalSettingsModel/MTSMSettings.h
+++ b/src/cascadia/TerminalSettingsModel/MTSMSettings.h
@@ -93,8 +93,8 @@ Author(s):
     X(bool, RightClickContextMenu, "experimental.rightClickContextMenu", false)                                                                                \
     X(Windows::Foundation::Collections::IVector<winrt::hstring>, BellSound, "bellSound", nullptr)                                                              \
     X(bool, Elevate, "elevate", false)                                                                                                                         \
-    X(bool, AutoMarkPrompts, "experimental.autoMarkPrompts", false)                                                                                            \
-    X(bool, ShowMarks, "experimental.showMarksOnScrollbar", false)                                                                                             \
+    X(bool, AutoMarkPrompts, "autoMarkPrompts", false)                                                                                                         \
+    X(bool, ShowMarks, "showMarksOnScrollbar", false)                                                                                                          \
     X(bool, RepositionCursorWithMouse, "experimental.repositionCursorWithMouse", false)                                                                        \
     X(bool, ReloadEnvironmentVariables, "compatibility.reloadEnvironmentVariables", true)
 
diff --git a/src/cascadia/TerminalSettingsModel/Profile.cpp b/src/cascadia/TerminalSettingsModel/Profile.cpp
index 0db012e7bc7..0f568b37e53 100644
--- a/src/cascadia/TerminalSettingsModel/Profile.cpp
+++ b/src/cascadia/TerminalSettingsModel/Profile.cpp
@@ -34,6 +34,9 @@ static constexpr std::string_view PaddingKey{ "padding" };
 static constexpr std::string_view TabColorKey{ "tabColor" };
 static constexpr std::string_view UnfocusedAppearanceKey{ "unfocusedAppearance" };
 
+static constexpr std::string_view LegacyAutoMarkPromptsKey{ "experimental.autoMarkPrompts" };
+static constexpr std::string_view LegacyShowMarksKey{ "experimental.showMarksOnScrollbar" };
+
 Profile::Profile(guid guid) noexcept :
     _Guid(guid)
 {
@@ -182,6 +185,11 @@ void Profile::LayerJson(const Json::Value& json)
 
     JsonUtils::GetValueForKey(json, TabColorKey, _TabColor);
 
+    // Try to load some legacy keys, to migrate them.
+    // Done _before_ the MTSM_PROFILE_SETTINGS, which have the updated keys.
+    JsonUtils::GetValueForKey(json, LegacyShowMarksKey, _ShowMarks);
+    JsonUtils::GetValueForKey(json, LegacyAutoMarkPromptsKey, _AutoMarkPrompts);
+
 #define PROFILE_SETTINGS_LAYER_JSON(type, name, jsonKey, ...) \
     JsonUtils::GetValueForKey(json, jsonKey, _##name);
 
diff --git a/src/features.xml b/src/features.xml
index 8fbf160a8c7..c2af5ed009a 100644
--- a/src/features.xml
+++ b/src/features.xml
@@ -89,13 +89,10 @@
     <feature>
         <name>Feature_ScrollbarMarks</name>
         <description>Enables the experimental scrollbar marks feature.</description>
-        <stage>AlwaysDisabled</stage>
-        <!-- Did it this way instead of "release tokens" to ensure it won't go into Windows Inbox either... -->
-        <alwaysEnabledBrandingTokens>
-            <brandingToken>Dev</brandingToken>
-            <brandingToken>Canary</brandingToken>
-            <brandingToken>Preview</brandingToken>
-        </alwaysEnabledBrandingTokens>
+        <stage>AlwaysEnabled</stage>
+        <alwaysDisabledBrandingTokens>
+            <brandingToken>WindowsInbox</brandingToken>
+        </alwaysDisabledBrandingTokens>
     </feature>
 
     <feature>