diff --git a/.devcontainer/Dockerfile b/.devcontainer/Dockerfile
deleted file mode 100644
index 684f881c..00000000
--- a/.devcontainer/Dockerfile
+++ /dev/null
@@ -1,23 +0,0 @@
-FROM node:14-buster
-
-# Configure apt
-ENV DEBIAN_FRONTEND=noninteractive
-RUN apt-get update \
-    && apt-get -y install --no-install-recommends apt-utils 2>&1
-
-# Verify git and process tools are installed
-RUN apt-get install -y git procps
-
-# Install yarn
-RUN apt-get install -y curl apt-transport-https lsb-release \
-    && curl -sS https://dl.yarnpkg.com/$(lsb_release -is | tr '[:upper:]' '[:lower:]')/pubkey.gpg | apt-key add - 2>/dev/null \
-    && echo "deb https://dl.yarnpkg.com/$(lsb_release -is | tr '[:upper:]' '[:lower:]')/ stable main" | tee /etc/apt/sources.list.d/yarn.list \
-    && apt-get update \
-    && apt-get -y install --no-install-recommends \
-       yarn
-
-# Clean up
-RUN apt-get autoremove -y \
-    && apt-get clean -y \
-    && rm -rf /var/lib/apt/lists/*
-ENV DEBIAN_FRONTEND=dialog
diff --git a/.devcontainer/devcontainer.json b/.devcontainer/devcontainer.json
index 9aec3a02..c09a29bf 100644
--- a/.devcontainer/devcontainer.json
+++ b/.devcontainer/devcontainer.json
@@ -1,10 +1,20 @@
 {
   "name": "xterm.js",
-  "dockerFile": "Dockerfile",
-  "appPort": 3000,
-  "extensions": [
-    "dbaeumer.vscode-eslint",
-    "editorconfig.editorconfig",
-    "hbenl.vscode-mocha-test-adapter"
-  ]
+  "image": "mcr.microsoft.com/devcontainers/typescript-node:0-18-buster",
+  "features": {
+    "ghcr.io/devcontainers/features/node:1": {} // yarn
+  },
+  "forwardPorts": [
+    3000
+  ],
+  "postCreateCommand": "yarn install",
+  "customizations": {
+    "vscode": {
+      "extensions": [
+        "dbaeumer.vscode-eslint",
+        "editorconfig.editorconfig",
+        "hbenl.vscode-mocha-test-adapter"
+      ]
+    }
+  }
 }
diff --git a/azure-pipelines.yml b/azure-pipelines.yml
index 1bc414d1..354f72c2 100644
--- a/azure-pipelines.yml
+++ b/azure-pipelines.yml
@@ -1,10 +1,10 @@
 pr:
   branches:
-    include: ["main", "v5"]
+    include: ["main"]
 
 trigger:
   branches:
-    include: ["main", "v5"]
+    include: ["main"]
 
 jobs:
 - job: Linux
@@ -13,7 +13,7 @@ jobs:
   steps:
   - task: NodeTool@0
     inputs:
-      versionSpec: '14.x'
+      versionSpec: '18.x'
     displayName: 'Install Node.js'
   - task: YarnInstaller@3
     inputs:
@@ -46,7 +46,7 @@ jobs:
   steps:
   - task: NodeTool@0
     inputs:
-      versionSpec: '14.x'
+      versionSpec: '18.x'
     displayName: 'Install Node.js'
   - task: CacheBeta@1
     inputs:
@@ -66,7 +66,7 @@ jobs:
   steps:
   - task: NodeTool@0
     inputs:
-      versionSpec: '14.x'
+      versionSpec: '18.x'
     displayName: 'Install Node.js'
   - task: CacheBeta@1
     inputs:
@@ -95,7 +95,7 @@ jobs:
     displayName: Install required packages
   - task: NodeTool@0
     inputs:
-      versionSpec: '14.x'
+      versionSpec: '18.x'
     displayName: 'Install Node.js'
   - task: YarnInstaller@3
     inputs:
@@ -111,11 +111,11 @@ jobs:
 # Integration tests are too flaky on macOS https://github.com/xtermjs/xterm.js/issues/3590
 # - job: macOS_IntegrationTests
 #   pool:
-#     vmImage: 'macOS-10.15'
+#     vmImage: 'macOS-11'
 #   steps:
 #   - task: NodeTool@0
 #     inputs:
-#       versionSpec: '14.x'
+#       versionSpec: '18.x'
 #     displayName: 'Install Node.js'
 #   - script: yarn --frozen-lockfile
 #     displayName: 'Install dependencies and build'
@@ -132,7 +132,7 @@ jobs:
   steps:
   - task: NodeTool@0
     inputs:
-      versionSpec: '14.x'
+      versionSpec: '18.x'
     displayName: 'Install Node.js'
   - script: yarn --frozen-lockfile
     displayName: 'Install dependencies and build'
@@ -155,7 +155,7 @@ jobs:
   steps:
   - task: NodeTool@0
     inputs:
-      versionSpec: '14.x'
+      versionSpec: '18.x'
     displayName: 'Install Node.js'
   - task: YarnInstaller@3
     inputs:
diff --git a/package.json b/package.json
index 1423cab0..70a85a71 100644
--- a/package.json
+++ b/package.json
@@ -58,7 +58,7 @@
     "@types/glob": "^7.2.0",
     "@types/jsdom": "^16.2.13",
     "@types/mocha": "^9.0.0",
-    "@types/node": "^14.14.44",
+    "@types/node": "^18.16.0",
     "@types/utf8": "^3.0.0",
     "@types/webpack": "^5.28.0",
     "@types/ws": "^8.2.0",
diff --git a/yarn.lock b/yarn.lock
index 22dd31e5..ecf9507e 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -425,10 +425,10 @@
   resolved "https://registry.yarnpkg.com/@types/node/-/node-12.20.50.tgz#14ba5198f1754ffd0472a2f84ab433b45ee0b65e"
   integrity sha512-+9axpWx2b2JCVovr7Ilgt96uc6C1zBKOQMpGtRbWT9IoR/8ue32GGMfGA4woP8QyP2gBs6GQWEVM3tCybGCxDA==
 
-"@types/node@^14.14.44":
-  version "14.14.44"
-  resolved "https://registry.yarnpkg.com/@types/node/-/node-14.14.44.tgz#df7503e6002847b834371c004b372529f3f85215"
-  integrity sha512-+gaugz6Oce6ZInfI/tK4Pq5wIIkJMEJUu92RB3Eu93mtj4wjjjz9EB5mLp5s1pSsLXdC/CPut/xF20ZzAQJbTA==
+"@types/node@^18.16.0":
+  version "18.16.16"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-18.16.16.tgz#3b64862856c7874ccf7439e6bab872d245c86d8e"
+  integrity sha512-NpaM49IGQQAUlBhHMF82QH80J08os4ZmyF9MkpCzWAGuOHqE4gTEbhzd7L3l5LmWuZ6E0OiC1FweQ4tsiW35+g==
 
 "@types/parse5@*":
   version "6.0.2"