diff --git a/app/controllers/admin/application_controller.rb b/app/controllers/admin/application_controller.rb
index af80d7573..d944adffd 100644
--- a/app/controllers/admin/application_controller.rb
+++ b/app/controllers/admin/application_controller.rb
@@ -17,6 +17,7 @@ module Admin
       CacheBuster.bust("/tags/onboarding") # Needs to change when suggested_tags is edited.
       CacheBuster.bust("/shell_top") # Cached at edge, sent to service worker.
       CacheBuster.bust("/shell_bottom") # Cached at edge, sent to service worker.
+      CacheBuster.bust("/async_info/shell_version") # Checks if current users should be busted.
       CacheBuster.bust("/onboarding") # Page is cached at edge.
       CacheBuster.bust("/") # Page is cached at edge.
       SiteConfig.admin_action_taken_at = Time.current # Used as cache key
diff --git a/app/controllers/async_info_controller.rb b/app/controllers/async_info_controller.rb
index 5fb2e02d1..87a1ed8e8 100644
--- a/app/controllers/async_info_controller.rb
+++ b/app/controllers/async_info_controller.rb
@@ -29,7 +29,7 @@ class AsyncInfoController < ApplicationController
     set_surrogate_key_header "shell-version-endpoint"
     # shell_version will change on every deploy.
     # *Technically* could be only on changes to assets and shell, but this is more fool-proof.
-    shell_version = ApplicationConfig["RELEASE_FOOTPRINT"]
+    shell_version = ApplicationConfig["RELEASE_FOOTPRINT"] + SiteConfig.admin_action_taken_at.to_s
     render json: { version: shell_version }.to_json
   end
 
diff --git a/app/views/shell/_top.html.erb b/app/views/shell/_top.html.erb
index d564929e1..b1f2dad3a 100644
--- a/app/views/shell/_top.html.erb
+++ b/app/views/shell/_top.html.erb
@@ -42,7 +42,6 @@
       <link href="<%= optimized_image_url(SiteConfig.logo_png, width: 128, fetch_format: "png") %>" rel="icon" sizes="128x128" />
       <meta name="apple-mobile-web-app-title" content="<%= SiteConfig.app_domain %>">
       <meta name="application-name" content="<%= SiteConfig.app_domain %>">
-      <meta property="fb:pages" content="568966383279687" />
       <meta name="theme-color" content="#000000" />
       <link rel="manifest" href="/manifest.json" />
       <link rel="search" href="<%= URL.url("open-search.xml") %>" type="application/opensearchdescription+xml" title="<%= community_qualified_name %>" />