diff --git a/.github/workflows/bigsur.yml b/.github/workflows/macos.yml
similarity index 93%
rename from .github/workflows/bigsur.yml
rename to .github/workflows/macos.yml
index 1f38254730..d9e0e3cc83 100644
--- a/.github/workflows/bigsur.yml
+++ b/.github/workflows/macos.yml
@@ -1,11 +1,11 @@
-name: macOS-bigsur
+name: macOS
 
 on: [push]
 
 jobs:
   build:
 
-    runs-on: macos-11
+    runs-on: macos-latest
     
     steps:
     - uses: actions/checkout@v3
diff --git a/.github/workflows/monterey.yml b/.github/workflows/monterey.yml
deleted file mode 100644
index 6e6140727a..0000000000
--- a/.github/workflows/monterey.yml
+++ /dev/null
@@ -1,28 +0,0 @@
-name: macOS-monterey
-
-on: [push]
-
-jobs:
-  build:
-
-    runs-on: macos-12
-    
-    steps:
-    - uses: actions/checkout@v3
-
-    - name: setup python
-      uses: actions/setup-python@v4
-      with:
-          python-version: 3.11
-
-    - name: get dependencies
-      run:  brew install cmake boost pcre gmp python3 pkgconfig gtkmm3 adwaita-icon-theme && /usr/local/bin/python3 -m pip install sympy gmpy2 numpy
-
-    - name: configure
-      run:  mkdir build && cd build && cmake -DENABLE_MATHEMATICA=OFF ..
-      
-    - name: make
-      run:  cd build && make
-      
-    - name: make test
-      run:  cd build && make test ARGS="-V"
diff --git a/web2/cadabra2/source/changelog.html b/web2/cadabra2/source/changelog.html
index 779485c496..776b6f7f1c 100644
--- a/web2/cadabra2/source/changelog.html
+++ b/web2/cadabra2/source/changelog.html
@@ -19,7 +19,9 @@ <h1>Change log</h1>
 <h3>github master (2.4.5)</h3>
 <ul>
   <li>Fix simplification of <tt>pow</tt> nodes.</li>
-  <li>Make <tt>ExNode</tt> iterators skip nodes hidden by <tt>zoom</tt></li>
+  <li>Make <tt>ExNode</tt> iterators skip nodes hidden by <tt>zoom</tt>.</li>
+  <li>Fix <tt>canonicalise</tt> acting on expressions with self-anticommuting objects and derivatives (Daniel).</li>
+  <li>Fix crash when comparing with empty expressions.</li>
 </ul>
 
 <h3>2.4.4 (released 20-Sep-2023)</h3>