diff --git a/.dockerignore b/.dockerignore
deleted file mode 100644
index d77391baa..000000000
--- a/.dockerignore
+++ /dev/null
@@ -1 +0,0 @@
-!/dist/playwright*manylinux1*.whl
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 59dc782e6..a23547ac0 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -155,14 +155,10 @@ jobs:
     timeout-minutes: 30
     steps:
     - uses: actions/checkout@v2
-    - name: Set up Node.js
-      uses: actions/setup-node@v1
-      with:
-        node-version: 12.x
     - name: Set up Python
       uses: actions/setup-python@v2
       with:
-        python-version: 3.8
+        python-version: 3.9
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 5ff9ec925..ef090e1da 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -7,14 +7,10 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v2
-    - name: Set up Node.js
-      uses: actions/setup-node@v1
-      with:
-        node-version: 12.x
     - name: Set up Python
       uses: actions/setup-python@v2
       with:
-        python-version: 3.8
+        python-version: 3.9
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
diff --git a/.gitignore b/.gitignore
index 2fdbc6aab..2899b8946 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,4 @@
-playwright/__pycache__/
+**/__pycache__/
 driver/
 playwright/driver/
 playwright.egg-info/
@@ -7,7 +7,7 @@ dist/
 **/*.pyc
 env/
 htmlcov/
-.coverage
+.coverage*
 .DS_Store
 .vscode/
 .eggs
diff --git a/scripts/postPdoc3Generation.js b/scripts/postPdoc3Generation.js
deleted file mode 100644
index 93fa6f96d..000000000
--- a/scripts/postPdoc3Generation.js
+++ /dev/null
@@ -1,7 +0,0 @@
-const fs = require('fs');
-
-// Removes the sidebar on the landing page (/)
-const indexPath = 'htmldocs/playwright/index.html';
-let input = fs.readFileSync(indexPath).toString();
-input = input.replace(/<nav id="sidebar">.*<\/nav>/s, '');
-fs.writeFileSync(indexPath, input);
diff --git a/scripts/update_versions.py b/scripts/update_versions.py
index 6bd993ffd..a9f6bb503 100644
--- a/scripts/update_versions.py
+++ b/scripts/update_versions.py
@@ -1,21 +1,27 @@
 import re
+from pathlib import Path
 
 from playwright.sync_api import sync_playwright
 
-with sync_playwright() as p:
-    r = open("README.md", "r")
-    text = r.read()
-    for browser_type in [p.chromium, p.firefox, p.webkit]:
-        rx = re.compile(
-            r"<!-- GEN:" + browser_type.name + r"-version -->([^<]+)<!-- GEN:stop -->"
-        )
-        browser = browser_type.launch()
-        text = rx.sub(
-            f"<!-- GEN:{browser_type.name}-version -->{browser.version}<!-- GEN:stop -->",
-            text,
-        )
-        browser.close()
 
-    w = open("README.md", "w")
-    w.write(text)
-    w.close()
+def main() -> None:
+    with sync_playwright() as p:
+        readme = Path("README.md").resolve()
+        text = readme.read_text(encoding="utf-8")
+        for browser_type in [p.chromium, p.firefox, p.webkit]:
+            rx = re.compile(
+                r"<!-- GEN:"
+                + browser_type.name
+                + r"-version -->([^<]+)<!-- GEN:stop -->"
+            )
+            browser = browser_type.launch()
+            text = rx.sub(
+                f"<!-- GEN:{browser_type.name}-version -->{browser.version}<!-- GEN:stop -->",
+                text,
+            )
+            browser.close()
+        readme.write_text(text, encoding="utf-8")
+
+
+if __name__ == "__main__":
+    main()