Update min version (3.10) and requirements

.devcontainer/Dockerfile

@@ -1,4 +1,4 @@
-FROM mcr.microsoft.com/devcontainers/python:3.9
+FROM mcr.microsoft.com/devcontainers/python:3.10
 
 RUN python -m pip install --upgrade pip
 

.github/actions/build-vsix/action.yml

@@ -5,6 +5,10 @@ inputs:
   node_version:
     description: 'Version of Node to install'
     required: true
+  python_version:
+    description: 'Version of Python to install (minimum supported version)'
+    required: false
+    default: '3.10'
 
 runs:
   using: 'composite'
@@ -15,11 +19,11 @@ runs:
         node-version: ${{ inputs.node_version }}
         cache: 'npm'
 
-    # Minimum supported version is Python 3.9
-    - name: Use Python 3.9
+    # Minimum supported version is defined by python_version input
+    - name: Use Python ${{ inputs.python_version }}
       uses: actions/setup-python@v5
       with:
-        python-version: '3.9'
+        python-version: ${{ inputs.python_version }}
 
     - name: Pip cache
       uses: actions/cache@v4

.github/actions/lint/action.yml

@@ -5,6 +5,10 @@ inputs:
   node_version:
     description: 'Version of Node to install'
     required: true
+  python_version:
+    description: 'Version of Python to install'
+    required: false
+    default: '3.10'
 
 runs:
   using: 'composite'
@@ -30,7 +34,7 @@ runs:
     - name: Install Python
       uses: actions/setup-python@v5
       with:
-        python-version: '3.9'
+        python-version: ${{ inputs.python_version }}
 
     - name: Pip cache
       uses: actions/cache@v4

.github/workflows/pr-check.yml

@@ -5,6 +5,7 @@ on:
 
 env:
   NODE_VERSION: 22.17.0
+  PYTHON_VERSION: '3.10'
   TEST_RESULTS_DIRECTORY: .
   # Force a path with spaces and unicode chars to test extension works in these scenarios
   special-working-directory: './testingDir'
@@ -45,20 +46,19 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, windows-latest]
-        python: ['3.9', '3.10', '3.11', '3.12', '3.13']
+        python: ['3.10', '3.11', '3.12', '3.13', '3.14']
 
     steps:
       - name: Checkout
         uses: actions/checkout@v4
         with:
           path: ${{ env.special-working-directory-relative }}
 
-      # Install bundled libs using 3.9 even though you test it on other versions.
-      - name: Use Python 3.9
+      # Install bundled libs using minimum supported version even though you test it on other versions.
+      - name: Use Python ${{ env.PYTHON_VERSION }}
         uses: actions/setup-python@v5
         with:
-          python-version: '3.9'
-
+          python-version: ${{ env.PYTHON_VERSION }}
       - name: Update pip, install wheel and nox
         run: python -m pip install -U pip wheel nox
         shell: bash
@@ -68,7 +68,7 @@ jobs:
         run: python -m nox --session install_bundled_libs
         shell: bash
 
-      # Now that the bundle is installed to target using python 3.9
+      # Now that the bundle is installed to target using minimum supported Python version
       # switch back the python we want to test with
       - name: Use Python ${{ matrix.python }}
         uses: actions/setup-python@v5

.github/workflows/push-check.yml

@@ -10,6 +10,7 @@ on:
 
 env:
   NODE_VERSION: 22.17.0
+  PYTHON_VERSION: '3.10'
   TEST_RESULTS_DIRECTORY: .
   # Force a path with spaces and unicode chars to test extension works in these scenarios
   special-working-directory: './testingDir'
@@ -50,20 +51,19 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, windows-latest]
-        python: ['3.9', '3.10', '3.11', '3.12', '3.13']
+        python: ['3.10', '3.11', '3.12', '3.13', '3.14']
 
     steps:
       - name: Checkout
         uses: actions/checkout@v4
         with:
           path: ${{ env.special-working-directory-relative }}
 
-      # Install bundled libs using 3.9 even though you test it on other versions.
-      - name: Use Python 3.9
+      # Install bundled libs using minimum supported version even though you test it on other versions.
+      - name: Use Python ${{ env.PYTHON_VERSION }}
         uses: actions/setup-python@v5
         with:
-          python-version: '3.9'
-
+          python-version: ${{ env.PYTHON_VERSION }}
       - name: Update pip, install wheel and nox
         run: python -m pip install -U pip wheel nox
         shell: bash
@@ -73,7 +73,7 @@ jobs:
         run: python -m nox --session install_bundled_libs
         shell: bash
 
-      # Now that the bundle is installed to target using python 3.9
+      # Now that the bundle is installed to target using minimum supported Python version
       # switch back the python we want to test with
       - name: Use Python ${{ matrix.python }}
         uses: actions/setup-python@v5

README.md

@@ -1,6 +1,6 @@
 # Pylint extension for Visual Studio Code
 
-A Visual Studio Code extension with support for the Pylint linter. This extension ships with `pylint=3.3.9`.
+A Visual Studio Code extension with support for the Pylint linter. This extension ships with `pylint=4.0.4`.
 
 > **Note**: The minimum version of Pylint this extension supports is `3.3.0`. If you are having issues with Pylint, please report it to [this issue tracker](https://github.com/pylint-dev/pylint/issues) as this extension is just a wrapper around Pylint.
 

build/azure-devdiv-pipeline.pre-release.yml

@@ -23,6 +23,8 @@ variables:
     value: pylint.vsix
   - name: AZURE_ARTIFACTS_FEED
     value: 'https://devdiv.pkgs.visualstudio.com/DevDiv/_packaging/Pylance_PublicPackages/npm/registry/'
+  - name: PythonVersion
+    value: '3.10'
 parameters:
   - name: publishExtension
     displayName: 🚀 Publish Extension
@@ -81,7 +83,7 @@ extends:
 
               - task: UsePythonVersion@0
                 inputs:
-                  versionSpec: '3.9' # note Install Python dependencies step below relies on Python 3.9
+                  versionSpec: $(PythonVersion)
                   addToPath: true
                   architecture: 'x64'
                 displayName: Select Python version

build/azure-devdiv-pipeline.stable.yml

@@ -15,6 +15,8 @@ variables:
     value: VSCode-pylint
   - name: VsixName
     value: pylint.vsix
+  - name: PythonVersion
+    value: '3.10'
 
 parameters:
   - name: publishExtension
@@ -66,7 +68,7 @@ extends:
                 displayName: Select Node 22 LTS
               - task: UsePythonVersion@0
                 inputs:
-                  versionSpec: '3.9' # note Install Python dependencies step below relies on Python 3.9
+                  versionSpec: $(PythonVersion)
                   addToPath: true
                   architecture: 'x64'
                 displayName: Select Python version

build/azure-pipeline.pre-release.yml

@@ -18,6 +18,10 @@ resources:
       ref: main
       endpoint: Monaco
 
+variables:
+  - name: PythonVersion
+    value: '3.10'
+
 parameters:
   - name: publishExtension
     displayName: 🚀 Publish Extension
@@ -37,7 +41,7 @@ extends:
 
       - task: UsePythonVersion@0
         inputs:
-          versionSpec: '3.9'
+          versionSpec: $(PythonVersion)
           addToPath: true
           architecture: 'x64'
         displayName: Select Python version

build/azure-pipeline.stable.yml

@@ -14,6 +14,10 @@ resources:
       ref: main
       endpoint: Monaco
 
+variables:
+  - name: PythonVersion
+    value: '3.10'
+
 parameters:
   - name: publishExtension
     displayName: 🚀 Publish Extension
@@ -33,7 +37,7 @@ extends:
 
       - task: UsePythonVersion@0
         inputs:
-          versionSpec: '3.9'
+          versionSpec: $(PythonVersion)
           addToPath: true
           architecture: 'x64'
         displayName: Select Python version

bundled/tool/lsp_jsonrpc.py

@@ -2,7 +2,6 @@
 # Licensed under the MIT License.
 """Light-weight JSON-RPC over standard IO."""
 
-
 import atexit
 import io
 import json