diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 301ac18a..3e017743 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -8,7 +8,7 @@ jobs:
     strategy:
       max-parallel: 4
       matrix:
-        python-version: [3.7, 3.8]
+        python-version: [3.7, 3.8, 3.9, "3.10", "3.11"]
     steps:
     - uses: actions/checkout@v2
     - name: Set up Python ${{ matrix.python-version }}
@@ -29,4 +29,4 @@ jobs:
         name: examples-and-tutorials
         path: |
           examples/
-          tutorial/
\ No newline at end of file
+          tutorial/
diff --git a/docs/CHANGELOG.md b/docs/CHANGELOG.md
index 14183a63..84ab1452 100644
--- a/docs/CHANGELOG.md
+++ b/docs/CHANGELOG.md
@@ -1,5 +1,17 @@
 # Change Log
 
+## [0.3.2](https://github.com/formatc1702/WireViz/tree/v0.3.2) (2021-11-27)
+
+### Hotfix
+
+- Adjust GraphViz generation code for compatibility with v0.18 of the `graphviz` Python package ([#258](https://github.com/formatc1702/WireViz/issues/258), [#262](https://github.com/formatc1702/WireViz/pull/261))
+
+## [0.3.1](https://github.com/formatc1702/WireViz/tree/v0.3.1) (2021-10-25)
+
+### Hotfix
+
+- Assign generic harness title when using WireViz as a module and not specifying an output file name ([#253](https://github.com/formatc1702/WireViz/issues/253), [#254](https://github.com/formatc1702/WireViz/pull/254))
+
 ## [0.3](https://github.com/formatc1702/WireViz/tree/v0.3) (2021-10-11)
 
 ### New features
diff --git a/setup.py b/setup.py
index 4992bc56..861cee1f 100644
--- a/setup.py
+++ b/setup.py
@@ -40,6 +40,9 @@ def read(fname):
         'Programming Language :: Python :: 3',
         'Programming Language :: Python :: 3.7',
         'Programming Language :: Python :: 3.8',
+        'Programming Language :: Python :: 3.9',
+        'Programming Language :: Python :: 3.10',
+        'Programming Language :: Python :: 3.11',
         'Topic :: Utilities',
         'License :: OSI Approved :: GNU General Public License v3 (GPLv3)',
         ],
diff --git a/src/wireviz/Harness.py b/src/wireviz/Harness.py
index 2f9eb641..95419a42 100644
--- a/src/wireviz/Harness.py
+++ b/src/wireviz/Harness.py
@@ -93,8 +93,8 @@ def connect(self, from_name: str, from_pin: (int, str), via_name: str, via_wire:
 
     def create_graph(self) -> Graph:
         dot = Graph()
-        dot.body.append(f'// Graph generated by {APP_NAME} {__version__}')
-        dot.body.append(f'// {APP_URL}')
+        dot.body.append(f'// Graph generated by {APP_NAME} {__version__}\n')
+        dot.body.append(f'// {APP_URL}\n')
         dot.attr('graph', rankdir='LR',
                  ranksep='2',
                  bgcolor=wv_colors.translate_color(self.options.bgcolor, "HEX"),
diff --git a/src/wireviz/wireviz.py b/src/wireviz/wireviz.py
index 95674945..a9b37498 100755
--- a/src/wireviz/wireviz.py
+++ b/src/wireviz/wireviz.py
@@ -40,8 +40,13 @@ def parse(yaml_input: str, file_out: (str, Path) = None, return_types: (None, st
         options = Options(**yaml_data.get('options', {})),
         tweak = Tweak(**yaml_data.get('tweak', {})),
     )
+
+    # When title is not given, either deduce it from filename, or use default text.
     if 'title' not in harness.metadata:
-        harness.metadata['title'] = Path(file_out).stem
+        if file_out is None:
+            harness.metadata['title'] = "WireViz diagram and BOM"
+        else:
+            harness.metadata['title'] = Path(file_out).stem
 
     # add items
     sections = ['connectors', 'cables', 'connections']