Update the latest known server software version to 2.4.18

src/_data/site_metadata.yml

@@ -7,7 +7,8 @@
 title: OneBusAway Developers
 tagline: Real-time transit data and so much more.
 email: info@onebusaway.org
-oba_version: 2.1.18-cs
+oba_version: 2.4.18-cs
+oba_version_release_date: December 21, 2023
 description: >-
   OneBusAway is a suite of open source transit information tools that enable transit agencies to provide real-time vehicle
   locations, alerts, and arrival information to riders, with iOS and Android apps, a web platform, and robust APIs, as

src/downloads.erb

@@ -5,8 +5,11 @@ title: Downloading the Software
 
 <div class="space-y-4">
   <p>You can download pre-built binaries from Cambridge Systematics's Maven Repository.</p>
-
-  <p>The latest known version of the OBA server software is <code><%= site.metadata['oba_version'] %></code></p>
+  <p>
+    <strong>Current Version:</strong>
+    <code><%= site.metadata.oba_version %></code>
+    (Released <%= site.metadata.oba_version_release_date %>)
+  </p>
 
   <ul class='list-disc ml-4'>
     <% site.data.application_modules.each do |k,v| %>

src/index.md

@@ -5,7 +5,7 @@ layout: default
 
 This is the official documentation for all the application modules the make up the [OneBusAway](http://onebusaway.org) web application and API framework.
 
-**Current Version:** <code><%= site.metadata['oba_version'] %></code>
+**Current Version:** <code><%= site.metadata.oba_version %></code> (Released <%= site.metadata.oba_version_release_date %>)
 
 You can find download links to the prebuilt binaries on our [Downloads](/downloads) page.