Infrastructure/Docs: Bump version to 2.15.1 for release

Author: LaCuneta

app/assets/javascripts/beak/session-lite.coffee

@@ -24,7 +24,7 @@ REDRAW_EXP           = 2
 
 isUsableCommit       = window.nlwCommit? and window.nlwCommit isnt 'unknown'
 commitSuffix         = if isUsableCommit then " (#{window.nlwCommit})" else ''
-NETLOGO_VERSION      = '2.15.0' + commitSuffix
+NETLOGO_VERSION      = '2.15.1' + commitSuffix
 
 # performance.now gives submillisecond timing, which improves the event loop
 # for models with submillisecond go procedures. Unfortunately, iOS Safari

app/views/whatsNew.scala.html

@@ -4,6 +4,15 @@
 
 <div class="inner-content" style="margin: 0 10%; text-align: justify;">
 
+    <h2 id="v2.15.1">May 20th 2026 - v2.15.1</h2>
+
+    <ul>
+      <li>The <a href="/model-linker">model-linker page</a> now includes the ability to set common setting parameters for generated links.</li>
+      <li>Line breaks in the Info Tab will be preserved as they are in desktop.</li>
+      <li>The ability to import drawings to models has been restored.</li>
+      <li>GIF image files can be imported as JPEG and PNG.</li>
+    </ul>
+
     <h2 id="v2.15.0">May 14th 2026 - v2.15.0</h2>
 
     <p>This release includes <a href="/docs/hosting-sharing">improvements to our documentation around hosting and sharing models</a> along with a <a href="/model-linker">model-linker page</a> to assist in generating links for sharing and embedding your own NetLogo models.</p>