diff --git a/.github/workflows/bot-pr-new.yaml b/.github/workflows/bot-pr-new.yaml
index 13724cc14f..3c908f8916 100644
--- a/.github/workflows/bot-pr-new.yaml
+++ b/.github/workflows/bot-pr-new.yaml
@@ -19,7 +19,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Fetch pull request branch
-      uses: actions/checkout@v2
+      uses: actions/checkout@v4
       with:
         repository: ${{ github.event.client_payload.pull_request.head.repo.full_name }}
         ref: ${{ github.event.client_payload.pull_request.head.sha }}
diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index d50aa5d37b..8305b4c695 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -11,8 +11,8 @@ jobs:
     name: Notebook format
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/setup-python@v1
-    - uses: actions/checkout@v2
+    - uses: actions/setup-python@v5
+    - uses: actions/checkout@v4
     - name: Fetch master branch
       run: git fetch -u origin master:master
     - name: Install tensorflow-docs
@@ -33,8 +33,8 @@ jobs:
     name: Notebook lint
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/setup-python@v1
-    - uses: actions/checkout@v2
+    - uses: actions/setup-python@v5
+    - uses: actions/checkout@v4
     - name: Fetch master branch
       run: git fetch -u origin master:master
     - name: Install tensorflow-docs
@@ -56,7 +56,7 @@ jobs:
     name: Notebook outputs removed
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - name: Fetch master branch
       run: git fetch -u origin master:master
     - name: Check for output cells
diff --git a/.gitignore b/.gitignore
index 62d8ea0feb..7628aae084 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,9 +1,31 @@
+# Python
 **/*.pyc
-**/*.rws
-**/.DS_Store
+**/__pycache__/
+**/*.pyo
+**/*.pyd
+**/.Python
+**/*.so
+**/*.egg
+**/*.egg-info/
+**/dist/
+**/build/
+**/.eggs/
+
+# Virtual environments
+**/venv/
+**/env/
+**/ENV/
+**/.venv/
+**/.python-version
+
+# IDE
 **/.idea
-**/.ipynb_checkpoints
 **/.vscode
+**/.DS_Store
+
+# Jupyter
+**/.ipynb_checkpoints
+
+# Project specific
+**/*.rws
 **/proofreading
-**/venv
-**/.python-version
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 6f301eab78..a43863c290 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -25,9 +25,9 @@ corporate Contributor License Agreement (CLA):
 
 * If you are an individual writing original documentation or source code and
   you're sure you own the intellectual property, sign an
-  [individual CLA](http://code.google.com/legal/individual-cla-v1.0.html).
+  [individual CLA](https://code.google.com/legal/individual-cla-v1.0.html).
 * If you work for a company that wants to allow you to contribute your work, sign
-  a [corporate CLA](http://code.google.com/legal/corporate-cla-v1.0.html).
+  a [corporate CLA](https://code.google.com/legal/corporate-cla-v1.0.html).
 
 We can accept your pull requests after you sign the CLA. We can only receive
 original documentation and source code from you and other people that have