diff --git a/.github/workflows/config.yml b/.github/workflows/config.yml
new file mode 100644
index 0000000..e61a3ce
--- /dev/null
+++ b/.github/workflows/config.yml
@@ -0,0 +1,25 @@
+name: Run unit tests (Python 3.8)
+on: [ push ]
+
+jobs:
+  python_38_chart_studio:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: '3.8'
+      - name: Install dependencies
+        run: |
+            python -m venv venv
+            . venv/bin/activate
+            pip install --upgrade pip wheel
+            pip install -r ./test_requirements/requirements_38.txt
+      - name: Run unit tests
+        run: |
+            . venv/bin/activate
+            pytest -x chart_studio/tests/
+        timeout-minutes: 20
+
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..bee8a64
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+__pycache__
diff --git a/LICENSE.txt b/LICENSE.txt
index 359e5d3..2d78924 100644
--- a/LICENSE.txt
+++ b/LICENSE.txt
@@ -1,6 +1,6 @@
 The MIT License (MIT)
 
-Copyright (c) 2016-2019 Plotly, Inc
+Copyright (c) 2016-2025 Plotly, Inc
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/README.md b/README.md
index a24b0e4..f5be159 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,8 @@
 # chart-studio
-This package contains utilities for interfacing with Plotly's Chart Studio service (both Chart Studio cloud and Chart Studio On-Prem).  Prior to plotly.py version 4, This functionality was included in the `plotly` package under the `plotly.plotly` module. As part of plotly.py version 4, the Chart Studio functionality was removed from the `plotly` package and released in this `chart-studio` package.
+The chart-studio Python package contains utilities for interfacing with Plotly's Chart Studio service (both Chart Studio cloud and Chart Studio On-Prem).
+
+Prior to plotly.py version 4, these Chart Studio utilities were included in the `plotly` package under the `plotly.plotly` module. As part of plotly.py version 4, the Chart Studio functionality was removed from the `plotly` package and released in this `chart-studio` package.
+
+This repository contains _only_ the chart-studio Python package; code for the Chart Studio service itself is located elsewhere.
+
+_Note: chart-studio was previously housed in the [Plotly.py](https://github.com/plotly/plotly.py) repository [until early 2025](https://github.com/plotly/plotly.py/pull/4972). This repository retains the Git history for all chart-studio files, dating back to [mid-2019](https://github.com/plotly/plotly.py/pull/1604) when the Plotly.py directory structure was changed. If you want to follow the history of these files back further in time, start [here](https://github.com/plotly/plotly.py/commits/59e36cf850bdb2384ddaf40ac37ad79f691c610c/chart-studio-package/README.md?browsing_rename_history=true&new_path=packages/python/chart-studio/README.md&original_branch=master)._
diff --git a/chart_studio/tests/test_optional/test_matplotlylib/test_plot_mpl.py b/chart_studio/tests/test_optional/test_matplotlylib/test_plot_mpl.py
index 8ca3614..3691c3c 100644
--- a/chart_studio/tests/test_optional/test_matplotlylib/test_plot_mpl.py
+++ b/chart_studio/tests/test_optional/test_matplotlylib/test_plot_mpl.py
@@ -44,7 +44,10 @@ def test_update(self):
         ax.plot([1, 2, 3])
         title = "new title"
         update = {"layout": {"title": title}}
-        url = py.plot_mpl(fig, update=update, filename="nosetests", auto_open=False)
+        # Note: Changed filename from "nosetests" to "nosetests2" because the
+        # previous filename was resulting in a recurring error --
+        # `chart_studio.exceptions.PlotlyRequestError: Sorry, a file named 'nosetests_grid' already exists`
+        url = py.plot_mpl(fig, update=update, filename="nosetests2", auto_open=False)
         un = url.replace("https://plotly.com/~", "").split("/")[0]
         fid = url.replace("https://plotly.com/~", "").split("/")[1]
         pfig = py.get_figure(un, fid)
diff --git a/chart_studio/tests/test_optional/test_utils/test_utils.py b/chart_studio/tests/test_optional/test_utils/test_utils.py
index b72962d..742a1b2 100644
--- a/chart_studio/tests/test_optional/test_utils/test_utils.py
+++ b/chart_studio/tests/test_optional/test_utils/test_utils.py
@@ -6,7 +6,7 @@
 from datetime import datetime as dt
 import numpy as np
 
-np_list = np.array([1, 2, 3, np.NaN, np.NAN, np.Inf, dt(2014, 1, 5)])
+np_list = np.array([1, 2, 3, np.nan, np.nan, np.inf, dt(2014, 1, 5)])
 numeric_list = [1, 2, 3]
 mixed_list = [
     1,
diff --git a/chart_studio/tests/test_plot_ly/test_get_figure/test_get_figure.py b/chart_studio/tests/test_plot_ly/test_get_figure/test_get_figure.py
index 04816fe..72ac805 100644
--- a/chart_studio/tests/test_plot_ly/test_get_figure/test_get_figure.py
+++ b/chart_studio/tests/test_plot_ly/test_get_figure/test_get_figure.py
@@ -94,4 +94,9 @@ def test_proper_escaping(self):
         ak = "786r5mecv0"
         url = "https://plotly.com/~PlotlyImageTest/13185/"
         py.sign_in(un, ak)
-        py.get_figure(url)
+        # Note: raw=True added because the specified chart contains 
+        # the property 'titlefont' which is no longer supported in 
+        # plotly.py 6.0.0, so an error is raised when trying to create
+        # the chart object. raw=True just returns the raw JSON without
+        # trying to create the chart object.
+        py.get_figure(url, raw=True)
diff --git a/release.md b/release.md
new file mode 100644
index 0000000..f6f1950
--- /dev/null
+++ b/release.md
@@ -0,0 +1,46 @@
+## Release process - `chart-studio` package
+
+The `chart-studio` package contains the utilities for interacting with
+Chart Studio (both Cloud or On-Prem).
+
+### Update version
+
+Update the version of the `chart-studio` package in
+`setup.py`.
+
+This version is not intended to match the version of plotly.py.
+
+### Update CHANGELOG
+
+Add a new entry to the CHANGELOG at `CHANGELOG.md` and commit the changes.
+
+### Tag Release
+
+Create a new tag for the release
+
+```bash
+(plotly_dev) $ git checkout main
+(plotly_dev) $ git stash
+(plotly_dev) $ git pull origin main
+(plotly_dev) $ git tag vX.Y.Z
+(plotly_dev) $ git push origin vX.Y.Z
+```
+
+### Publishing to PYPI
+
+Publish the final version to PyPI
+
+```bash
+(plotly_dev) $ python setup.py sdist bdist_wheel
+(plotly_dev) $ twine upload dist/chart_studio-X.Y.Z.tar.gz
+(plotly_dev) $ twine upload dist/chart_studio-X.Y.Z-py3-none-any.whl
+```
+
+### Publish to plotly anaconda channel
+
+From `packages/python/plotly-geo`, build the conda package
+```bash
+(plotly_dev) $ conda build recipe/
+```
+
+Then upload to the plotly anaconda channel as described above.
\ No newline at end of file
diff --git a/setup.py b/setup.py
index 5342b1f..7bfa466 100644
--- a/setup.py
+++ b/setup.py
@@ -16,7 +16,7 @@ def readme():
     maintainer="Jon Mease",
     maintainer_email="jon@plot.ly",
     url="https://plot.ly/python/",
-    project_urls={"Github": "https://github.com/plotly/plotly.py"},
+    project_urls={"Github": "https://github.com/plotly/chart-studio"},
     description="Utilities for interfacing with plotly's Chart Studio",
     long_description=readme(),
     long_description_content_type="text/markdown",
@@ -28,6 +28,11 @@ def readme():
         "Programming Language :: Python :: 3.5",
         "Programming Language :: Python :: 3.6",
         "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",
+        "Programming Language :: Python :: 3.12",
         "Topic :: Scientific/Engineering :: Visualization",
     ],
     license="MIT",
diff --git a/test_requirements/requirements_37.txt b/test_requirements/requirements_37.txt
deleted file mode 100644
index 32bba34..0000000
--- a/test_requirements/requirements_37.txt
+++ /dev/null
@@ -1,11 +0,0 @@
-decorator==4.0.9
-nose==1.3.7
-requests==2.12.4
-pytz==2016.10
-retrying==1.3.3
-pytest==3.5.1
-pandas==0.23.2
-numpy==1.14.3
-anywidget
-matplotlib==2.2.3
---editable=./plotly
diff --git a/test_requirements/requirements_38.txt b/test_requirements/requirements_38.txt
new file mode 100644
index 0000000..9df55ae
--- /dev/null
+++ b/test_requirements/requirements_38.txt
@@ -0,0 +1,11 @@
+decorator
+nose
+requests
+pytz
+retrying
+pytest
+pandas
+plotly
+numpy
+anywidget
+matplotlib