Build appimages on release. Remove outdated and non-working github actions. Update changelog and web page.

Author: Kasper Peeters

.github/workflows/appimage-modern.yml

@@ -5,11 +5,11 @@
 name: AppImage (Modern)
 
 on:
-  #  release:
-  #    types: [created]
+  release:
+    types: [created]
   # Uncomment for testing
-  push:
-    branches: [devel]
+  #push:
+  #  branches: [devel]
 
 jobs:
   build:

.github/workflows/appimage-new.yml

@@ -17,7 +17,12 @@ <h1>Change log</h1>
   even-numbered ones are released in packaged/installer form.
 </p>
 <a name="devel"></a>
-<h3>github devel branch (2.5.13)</h3>
+<h3>github devel branch (2.5.15)</h3>
+<ul>
+</ul>
+
+<a name="2.5.14"></a>
+<h3>2.5.14 (released 31-Jul-2025)</h3>
 <ul>
   <li>TeXmacs is supported again, including plotting (put
     the <tt>config/init-cadabra2.scm</tt> file in the appropriate

.github/workflows/appimage.yml

@@ -26,6 +26,12 @@ <h1>News</h1>
   </div>
 </p>
 <dl>
+  <dt>31 July 2025</dt>
+  <dd>Release of 2.5.14 (<a href="changelog.html#2.5.14">changes</a>).
+    Various plotting improvements and fixes, improvements to the SymPy
+    bridge and component computations, fixes for a number of binary
+    packages, and speedups.
+  </dd>
   <dt>7 May 2025</dt>
   <dd>Release of 2.5.12 (<a href="changelog.html#2.5.12">changes</a>).
     Many new features and usability improvements.