diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index 2675766..50cc42c 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -3,12 +3,15 @@ name: Build Documentation
 on:
   push:
   pull_request:
+  workflow_dispatch:
+  release:
+    types: [created]
 
 jobs:
   build_docs:
-    # pull requests are a duplicate of a branch push if they are from within
-    # the same repo. Skip these
+    # pull requests are a duplicate of a branch push if within the same repo.
     if: github.event_name != 'pull_request' || github.event.pull_request.head.repo.full_name != github.repository
+
     runs-on: ubuntu-latest
     strategy:
       matrix:
@@ -34,7 +37,7 @@ jobs:
         uses: supercharge/mongodb-github-action@1.6.0
 
       - name: Start Sirepo Docker container
-        uses: NSLS-II/start-sirepo-action@v1
+        uses: NSLS-II/start-sirepo-action@v2
         with:
           docker-binary: docker
 
@@ -54,13 +57,14 @@ jobs:
           mamba-version: "*"
           channels: conda-forge
 
-      - name: Install dependencies
+      - name: Install documentation-building requirements
         run: |
           # For reference: https://www.gnu.org/software/bash/manual/html_node/The-Set-Builtin.html.
           set -vxeo pipefail
 
           conda env list
-          mamba install -c conda-forge shadow3 srwpy pandoc
+          # mamba install -c conda-forge shadow3 srwpy pandoc
+          mamba install -c conda-forge pandoc
           pip install --upgrade pip wheel
           pip install -v .
           pip install -r requirements-dev.txt
@@ -76,7 +80,8 @@ jobs:
           path: docs/build/html/
 
       - name: Deploy documentation to nsls-ii.github.io
-        if: github.repository_owner == 'NSLS-II' && github.ref_name == 'main'
+        # if: github.repository_owner == 'NSLS-II' && github.ref_name == 'main'
+        if: github.event_name == 'release'
         # We pin to the SHA, not the tag, for security reasons.
         # https://docs.github.com/en/free-pro-team@latest/actions/learn-github-actions/security-hardening-for-github-actions#using-third-party-actions
         uses: peaceiris/actions-gh-pages@bbdfb200618d235585ad98e965f4aafc39b4c501  # v3.7.3
diff --git a/.github/workflows/pre-commit.yml b/.github/workflows/pre-commit.yml
index 8dd7a87..3ae6ebb 100644
--- a/.github/workflows/pre-commit.yml
+++ b/.github/workflows/pre-commit.yml
@@ -1,11 +1,15 @@
 name: pre-commit
 
 on:
-  pull_request:
   push:
+  pull_request:
+  workflow_dispatch:
 
 jobs:
   pre-commit:
+    # pull requests are a duplicate of a branch push if within the same repo.
+    if: github.event_name != 'pull_request' || github.event.pull_request.head.repo.full_name != github.repository
+
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
diff --git a/.github/workflows/testing.yml b/.github/workflows/testing.yml
index 83ac879..f953f1e 100644
--- a/.github/workflows/testing.yml
+++ b/.github/workflows/testing.yml
@@ -3,11 +3,15 @@ name: Unit Tests
 on:
   push:
   pull_request:
+  workflow_dispatch:
   # schedule:
   #   - cron: '00 4 * * *'  # daily at 4AM
 
 jobs:
   run_tests:
+    # pull requests are a duplicate of a branch push if within the same repo.
+    if: github.event_name != 'pull_request' || github.event.pull_request.head.repo.full_name != github.repository
+
     runs-on: ${{ matrix.host-os }}
     strategy:
       matrix:
@@ -32,7 +36,7 @@ jobs:
         uses: supercharge/mongodb-github-action@1.6.0
 
       - name: Start Sirepo Docker container
-        uses: NSLS-II/start-sirepo-action@v1
+        uses: NSLS-II/start-sirepo-action@v2
         with:
           docker-binary: docker
 
@@ -52,13 +56,13 @@ jobs:
           mamba-version: "*"
           channels: conda-forge
 
-      - name: Install dependencies
+      - name: Install the package and its dependencies
         run: |
           # For reference: https://www.gnu.org/software/bash/manual/html_node/The-Set-Builtin.html.
           set -vxeo pipefail
 
           conda env list
-          mamba install -c conda-forge shadow3 srwpy
+          # mamba install -c conda-forge shadow3 srwpy
           pip install --upgrade pip wheel
           pip install -v .
           pip install -r requirements-dev.txt
diff --git a/docs/source/installation.rst b/docs/source/installation.rst
index 0c10185..ba107a6 100644
--- a/docs/source/installation.rst
+++ b/docs/source/installation.rst
@@ -1,7 +1,40 @@
-============
+=========================
+Installation instructions
+=========================
+
 Installation
-============
+------------
+
+The package works with Python 3.8+ and can be installed from both PyPI and conda-forge.
+
+To install the package using the ``pip`` package manager, run the following command:
+
+.. code:: bash
+
+   $ python3 -m pip install bloptools
+
+To install the package using the ``conda`` package manager, run the following command:
+
+.. code:: bash
+
+   $ conda install -c conda-forge bloptools
+
+If you'd like to use the Sirepo backend and ``sirepo-bluesky`` ophyd objects, please
+follow the `Sirepo/Sirepo-Bluesky installation & configuration instructions
+<https://nsls-ii.github.io/sirepo-bluesky/installation.html>`_.
+
+
+Run tests
+---------
+
+.. code:: bash
+
+   $ pytest -vv -s -x --pdb
+
+
+Build documentation
+-------------------
 
-At the command line::
+.. code:: bash
 
-    $ pip install bloptools
+   $ make -C docs/ html
diff --git a/docs/source/release-history.rst b/docs/source/release-history.rst
index a836474..277a678 100644
--- a/docs/source/release-history.rst
+++ b/docs/source/release-history.rst
@@ -2,12 +2,24 @@
 Release History
 ===============
 
+v0.4.0 (2023-08-11)
+-------------------
+
+- Easier-to-use syntax when building the agent.
+- Modular and stateful agent design for better usability.
+- Added the ability to save/load both data and hyperparameters.
+- Added passive degrees of freedom.
+- Added a number of `test functions / artificial landscapes for optimization
+  <https://en.wikipedia.org/wiki/Test_functions_for_optimization>`_.
+- Updated the Sphinx documentation theme to `furo <https://github.com/pradyunsg/furo>`_.
+
+
 v0.3.0 (2023-06-17)
 -------------------
 
-- Implemented multi-task optimization
-- Simplified the syntax on initializing the agent
-- Resolved issues discovered at ISS
+- Implemented multi-task optimization.
+- Simplified the syntax on initializing the agent.
+- Resolved issues discovered at NSLS-II ISS.
 
 
 v0.2.0 (2023-04-25)
diff --git a/docs/source/tutorials/latent-toroid-dimensions.ipynb b/docs/source/tutorials/latent-toroid-dimensions.ipynb
index 5ad5fbe..7814d33 100644
--- a/docs/source/tutorials/latent-toroid-dimensions.ipynb
+++ b/docs/source/tutorials/latent-toroid-dimensions.ipynb
@@ -86,14 +86,6 @@
     "agent.plot_feasibility()\n",
     "agent.plot_acquisition(strategy=[\"ei\", \"pi\", \"ucb\"])"
    ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "id": "efd5ab4f",
-   "metadata": {},
-   "outputs": [],
-   "source": []
   }
  ],
  "metadata": {