From f8dab2881b86277d2cef6119e05fc7fe36e318f8 Mon Sep 17 00:00:00 2001
From: Bharat Middha <5100938+bmiddha@users.noreply.github.com>
Date: Mon, 17 Aug 2026 20:24:30 -0700
Subject: [PATCH] build!: require Node.js 20 for consumers

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
Copilot-Session: 8ebd5bf2-c44b-42d5-be25-e7936d4b0a14
---
 apps/api-documenter/package.json                         | 3 +++
 apps/api-extractor/package.json                          | 3 +++
 apps/cpu-profile-summarizer/package.json                 | 3 +++
 apps/heft/package.json                                   | 2 +-
 apps/lockfile-explorer/package.json                      | 3 +++
 apps/playwright-browser-tunnel/package.json              | 2 +-
 apps/rundown/package.json                                | 2 +-
 apps/rush-mcp-server/package.json                        | 2 +-
 apps/rush/package.json                                   | 2 +-
 apps/trace-import/package.json                           | 3 +++
 apps/zipsync/package.json                                | 3 +++
 .../node20-consumer-contract_2026-08-18-03-14-04.json    | 9 +++++++++
 .../node20-consumer-contract_2026-08-18-03-14-04.json    | 9 +++++++++
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 .../node20-consumer-contract_2026-08-18-03-14-04.json    | 9 +++++++++
 .../node20-consumer-contract_2026-08-18-03-14-04.json    | 9 +++++++++
 .../node20-consumer-contract_2026-08-18-03-14-04.json    | 9 +++++++++
 .../node20-consumer-contract_2026-08-18-03-14-04.json    | 9 +++++++++
 .../node20-consumer-contract_2026-08-18-03-14-04.json    | 9 +++++++++
 .../node20-consumer-contract_2026-08-18-03-14-04.json    | 9 +++++++++
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 .../node20-consumer-contract_2026-08-18-03-14-04.json    | 9 +++++++++
 .../node20-consumer-contract_2026-08-18-03-14-04.json    | 9 +++++++++
 .../node20-consumer-contract_2026-08-18-03-14-04.json    | 9 +++++++++
 .../node20-consumer-contract_2026-08-18-03-14-04.json    | 9 +++++++++
 .../node20-consumer-contract_2026-08-18-03-14-04.json    | 9 +++++++++
 .../node20-consumer-contract_2026-08-18-03-14-04.json    | 9 +++++++++
 .../node20-consumer-contract_2026-08-18-03-14-04.json    | 9 +++++++++
 .../node20-consumer-contract_2026-08-18-03-14-04.json    | 9 +++++++++
 .../node20-consumer-contract_2026-08-18-03-14-04.json    | 9 +++++++++
 .../node20-consumer-contract_2026-08-18-03-14-04.json    | 9 +++++++++
 .../node20-consumer-contract_2026-08-18-03-14-04.json    | 9 +++++++++
 .../node20-consumer-contract_2026-08-18-03-14-04.json    | 9 +++++++++
 .../node20-consumer-contract_2026-08-18-03-14-04.json    | 9 +++++++++
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 .../node20-consumer-contract_2026-08-18-03-14-04.json    | 9 +++++++++
 .../node20-consumer-contract_2026-08-18-03-14-04.json    | 9 +++++++++
 .../node20-consumer-contract_2026-08-18-03-14-04.json    | 9 +++++++++
 .../node20-consumer-contract_2026-08-18-03-14-04.json    | 9 +++++++++
 .../node20-consumer-contract_2026-08-18-03-14-04.json    | 9 +++++++++
 .../node20-consumer-contract_2026-08-18-03-14-04.json    | 9 +++++++++
 .../node20-consumer-contract_2026-08-18-03-14-04.json    | 9 +++++++++
 .../node20-consumer-contract_2026-08-18-03-14-04.json    | 9 +++++++++
 .../node20-consumer-contract_2026-08-18-03-14-04.json    | 9 +++++++++
 .../node20-consumer-contract_2026-08-18-03-14-04.json    | 9 +++++++++
 .../node20-consumer-contract_2026-08-18-03-14-04.json    | 9 +++++++++
 .../node20-consumer-contract_2026-08-18-03-14-04.json    | 9 +++++++++
 .../node20-consumer-contract_2026-08-18-03-14-04.json    | 9 +++++++++
 .../node20-consumer-contract_2026-08-18-03-14-04.json    | 9 +++++++++
 .../node20-consumer-contract_2026-08-18-03-14-04.json    | 9 +++++++++
 .../node20-consumer-contract_2026-08-18-03-14-04.json    | 9 +++++++++
 .../node20-consumer-contract_2026-08-18-03-14-04.json    | 9 +++++++++
 .../node20-consumer-contract_2026-08-18-03-14-04.json    | 9 +++++++++
 .../node20-consumer-contract_2026-08-18-03-14-04.json    | 9 +++++++++
 .../node20-consumer-contract_2026-08-18-03-14-04.json    | 9 +++++++++
 .../node20-consumer-contract_2026-08-18-03-14-04.json    | 9 +++++++++
 .../node20-consumer-contract_2026-08-18-03-14-04.json    | 9 +++++++++
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 .../node20-consumer-contract_2026-08-18-03-14-04.json    | 9 +++++++++
 .../node20-consumer-contract_2026-08-18-03-14-04.json    | 9 +++++++++
 .../node20-consumer-contract_2026-08-18-03-14-04.json    | 9 +++++++++
 eslint/eslint-bulk/package.json                          | 3 +++
 eslint/eslint-config/package.json                        | 3 +++
 eslint/eslint-patch/package.json                         | 3 +++
 eslint/eslint-plugin-packlets/package.json               | 3 +++
 eslint/eslint-plugin-security/package.json               | 3 +++
 eslint/eslint-plugin/package.json                        | 3 +++
 heft-plugins/heft-api-extractor-plugin/package.json      | 3 +++
 heft-plugins/heft-dev-cert-plugin/package.json           | 3 +++
 .../package.json                                         | 3 +++
 heft-plugins/heft-jest-plugin/package.json               | 3 +++
 .../heft-json-schema-typings-plugin/package.json         | 3 +++
 heft-plugins/heft-lint-plugin/package.json               | 3 +++
 .../heft-localization-typings-plugin/package.json        | 3 +++
 heft-plugins/heft-rspack-plugin/package.json             | 3 +++
 .../heft-sass-load-themed-styles-plugin/package.json     | 3 +++
 heft-plugins/heft-sass-plugin/package.json               | 3 +++
 heft-plugins/heft-serverless-stack-plugin/package.json   | 3 +++
 .../heft-static-asset-typings-plugin/package.json        | 3 +++
 heft-plugins/heft-storybook-plugin/package.json          | 3 +++
 heft-plugins/heft-typescript-plugin/package.json         | 3 +++
 heft-plugins/heft-vscode-extension-plugin/package.json   | 3 +++
 heft-plugins/heft-webpack4-plugin/package.json           | 3 +++
 heft-plugins/heft-webpack5-plugin/package.json           | 3 +++
 libraries/api-extractor-model/package.json               | 3 +++
 libraries/credential-cache/package.json                  | 3 +++
 libraries/debug-certificate-manager/package.json         | 3 +++
 libraries/heft-config-file/package.json                  | 2 +-
 libraries/localization-utilities/package.json            | 3 +++
 libraries/lookup-by-path/package.json                    | 3 +++
 libraries/module-minifier/package.json                   | 3 +++
 libraries/node-core-library/package.json                 | 3 +++
 libraries/npm-check-fork/package.json                    | 3 +++
 libraries/operation-graph/package.json                   | 3 +++
 libraries/package-deps-hash/package.json                 | 3 +++
 libraries/package-extractor/package.json                 | 3 +++
 libraries/problem-matcher/package.json                   | 3 +++
 libraries/rig-package/package.json                       | 3 +++
 libraries/rush-daemon-protocol/package.json              | 3 +++
 libraries/rush-daemon-transport/package.json             | 3 +++
 libraries/rush-daemon/package.json                       | 3 +++
 libraries/rush-lib/package.json                          | 2 +-
 libraries/rush-pnpm-kit-v10/package.json                 | 3 +++
 libraries/rush-pnpm-kit-v8/package.json                  | 3 +++
 libraries/rush-pnpm-kit-v9/package.json                  | 3 +++
 libraries/rush-sdk/package.json                          | 3 +++
 libraries/rush-terminal-renderer/package.json            | 3 +++
 libraries/stream-collator/package.json                   | 3 +++
 libraries/terminal/package.json                          | 3 +++
 libraries/tree-pattern/package.json                      | 3 +++
 libraries/ts-command-line/package.json                   | 3 +++
 libraries/typings-generator/package.json                 | 3 +++
 libraries/worker-pool/package.json                       | 3 +++
 .../rush-amazon-s3-build-cache-plugin/package.json       | 3 +++
 .../rush-azure-storage-build-cache-plugin/package.json   | 3 +++
 rush-plugins/rush-bridge-cache-plugin/package.json       | 3 +++
 rush-plugins/rush-buildxl-graph-plugin/package.json      | 3 +++
 rush-plugins/rush-http-build-cache-plugin/package.json   | 3 +++
 rush-plugins/rush-mcp-docs-plugin/package.json           | 3 +++
 .../rush-published-versions-json-plugin/package.json     | 3 +++
 rush-plugins/rush-redis-cobuild-plugin/package.json      | 3 +++
 rush-plugins/rush-resolver-cache-plugin/package.json     | 3 +++
 rush-plugins/rush-serve-plugin/package.json              | 3 +++
 webpack/hashed-folder-copy-plugin/package.json           | 3 +++
 webpack/loader-load-themed-styles/package.json           | 3 +++
 webpack/loader-raw-script/package.json                   | 3 +++
 webpack/preserve-dynamic-require-plugin/package.json     | 2 +-
 webpack/set-webpack-public-path-plugin/package.json      | 3 +++
 .../webpack-embedded-dependencies-plugin/package.json    | 3 +++
 webpack/webpack-plugin-utilities/package.json            | 3 +++
 webpack/webpack-workspace-resolve-plugin/package.json    | 2 +-
 webpack/webpack4-localization-plugin/package.json        | 3 +++
 webpack/webpack4-module-minifier-plugin/package.json     | 2 +-
 webpack/webpack5-load-themed-styles-loader/package.json  | 3 +++
 webpack/webpack5-localization-plugin/package.json        | 3 +++
 webpack/webpack5-module-minifier-plugin/package.json     | 2 +-
 162 files changed, 920 insertions(+), 11 deletions(-)
 create mode 100644 common/changes/@microsoft/api-documenter/node20-consumer-contract_2026-08-18-03-14-04.json
 create mode 100644 common/changes/@microsoft/api-extractor-model/node20-consumer-contract_2026-08-18-03-14-04.json
 create mode 100644 common/changes/@microsoft/api-extractor/node20-consumer-contract_2026-08-18-03-14-04.json
 create mode 100644 common/changes/@microsoft/loader-load-themed-styles/node20-consumer-contract_2026-08-18-03-14-04.json
 create mode 100644 common/changes/@microsoft/rush/node20-consumer-contract_2026-08-18-03-14-04.json
 create mode 100644 common/changes/@microsoft/webpack5-load-themed-styles-loader/node20-consumer-contract_2026-08-18-03-14-04.json
 create mode 100644 common/changes/@rushstack/cpu-profile-summarizer/node20-consumer-contract_2026-08-18-03-14-04.json
 create mode 100644 common/changes/@rushstack/credential-cache/node20-consumer-contract_2026-08-18-03-14-04.json
 create mode 100644 common/changes/@rushstack/debug-certificate-manager/node20-consumer-contract_2026-08-18-03-14-04.json
 create mode 100644 common/changes/@rushstack/eslint-bulk/node20-consumer-contract_2026-08-18-03-14-04.json
 create mode 100644 common/changes/@rushstack/eslint-config/node20-consumer-contract_2026-08-18-03-14-04.json
 create mode 100644 common/changes/@rushstack/eslint-patch/node20-consumer-contract_2026-08-18-03-14-04.json
 create mode 100644 common/changes/@rushstack/eslint-plugin-packlets/node20-consumer-contract_2026-08-18-03-14-04.json
 create mode 100644 common/changes/@rushstack/eslint-plugin-security/node20-consumer-contract_2026-08-18-03-14-04.json
 create mode 100644 common/changes/@rushstack/eslint-plugin/node20-consumer-contract_2026-08-18-03-14-04.json
 create mode 100644 common/changes/@rushstack/hashed-folder-copy-plugin/node20-consumer-contract_2026-08-18-03-14-04.json
 create mode 100644 common/changes/@rushstack/heft-api-extractor-plugin/node20-consumer-contract_2026-08-18-03-14-04.json
 create mode 100644 common/changes/@rushstack/heft-config-file/node20-consumer-contract_2026-08-18-03-14-04.json
 create mode 100644 common/changes/@rushstack/heft-dev-cert-plugin/node20-consumer-contract_2026-08-18-03-14-04.json
 create mode 100644 common/changes/@rushstack/heft-isolated-typescript-transpile-plugin/node20-consumer-contract_2026-08-18-03-14-04.json
 create mode 100644 common/changes/@rushstack/heft-jest-plugin/node20-consumer-contract_2026-08-18-03-14-04.json
 create mode 100644 common/changes/@rushstack/heft-json-schema-typings-plugin/node20-consumer-contract_2026-08-18-03-14-04.json
 create mode 100644 common/changes/@rushstack/heft-lint-plugin/node20-consumer-contract_2026-08-18-03-14-04.json
 create mode 100644 common/changes/@rushstack/heft-localization-typings-plugin/node20-consumer-contract_2026-08-18-03-14-04.json
 create mode 100644 common/changes/@rushstack/heft-rspack-plugin/node20-consumer-contract_2026-08-18-03-14-04.json
 create mode 100644 common/changes/@rushstack/heft-sass-load-themed-styles-plugin/node20-consumer-contract_2026-08-18-03-14-04.json
 create mode 100644 common/changes/@rushstack/heft-sass-plugin/node20-consumer-contract_2026-08-18-03-14-04.json
 create mode 100644 common/changes/@rushstack/heft-serverless-stack-plugin/node20-consumer-contract_2026-08-18-03-14-04.json
 create mode 100644 common/changes/@rushstack/heft-static-asset-typings-plugin/node20-consumer-contract_2026-08-18-03-14-04.json
 create mode 100644 common/changes/@rushstack/heft-storybook-plugin/node20-consumer-contract_2026-08-18-03-14-04.json
 create mode 100644 common/changes/@rushstack/heft-typescript-plugin/node20-consumer-contract_2026-08-18-03-14-04.json
 create mode 100644 common/changes/@rushstack/heft-vscode-extension-plugin/node20-consumer-contract_2026-08-18-03-14-04.json
 create mode 100644 common/changes/@rushstack/heft-webpack4-plugin/node20-consumer-contract_2026-08-18-03-14-04.json
 create mode 100644 common/changes/@rushstack/heft-webpack5-plugin/node20-consumer-contract_2026-08-18-03-14-04.json
 create mode 100644 common/changes/@rushstack/heft/node20-consumer-contract_2026-08-18-03-14-04.json
 create mode 100644 common/changes/@rushstack/loader-raw-script/node20-consumer-contract_2026-08-18-03-14-04.json
 create mode 100644 common/changes/@rushstack/localization-utilities/node20-consumer-contract_2026-08-18-03-14-04.json
 create mode 100644 common/changes/@rushstack/lockfile-explorer/node20-consumer-contract_2026-08-18-03-14-04.json
 create mode 100644 common/changes/@rushstack/lookup-by-path/node20-consumer-contract_2026-08-18-03-14-04.json
 create mode 100644 common/changes/@rushstack/mcp-server/node20-consumer-contract_2026-08-18-03-14-04.json
 create mode 100644 common/changes/@rushstack/module-minifier/node20-consumer-contract_2026-08-18-03-14-04.json
 create mode 100644 common/changes/@rushstack/node-core-library/node20-consumer-contract_2026-08-18-03-14-04.json
 create mode 100644 common/changes/@rushstack/npm-check-fork/node20-consumer-contract_2026-08-18-03-14-04.json
 create mode 100644 common/changes/@rushstack/operation-graph/node20-consumer-contract_2026-08-18-03-14-04.json
 create mode 100644 common/changes/@rushstack/package-deps-hash/node20-consumer-contract_2026-08-18-03-14-04.json
 create mode 100644 common/changes/@rushstack/package-extractor/node20-consumer-contract_2026-08-18-03-14-04.json
 create mode 100644 common/changes/@rushstack/playwright-browser-tunnel/node20-consumer-contract_2026-08-18-03-14-04.json
 create mode 100644 common/changes/@rushstack/problem-matcher/node20-consumer-contract_2026-08-18-03-14-04.json
 create mode 100644 common/changes/@rushstack/rig-package/node20-consumer-contract_2026-08-18-03-14-04.json
 create mode 100644 common/changes/@rushstack/rundown/node20-consumer-contract_2026-08-18-03-14-04.json
 create mode 100644 common/changes/@rushstack/rush-daemon-protocol/node20-consumer-contract_2026-08-18-03-14-04.json
 create mode 100644 common/changes/@rushstack/rush-daemon-transport/node20-consumer-contract_2026-08-18-03-14-04.json
 create mode 100644 common/changes/@rushstack/rush-daemon/node20-consumer-contract_2026-08-18-03-14-04.json
 create mode 100644 common/changes/@rushstack/rush-mcp-docs-plugin/node20-consumer-contract_2026-08-18-03-14-04.json
 create mode 100644 common/changes/@rushstack/rush-pnpm-kit-v10/node20-consumer-contract_2026-08-18-03-14-04.json
 create mode 100644 common/changes/@rushstack/rush-pnpm-kit-v8/node20-consumer-contract_2026-08-18-03-14-04.json
 create mode 100644 common/changes/@rushstack/rush-pnpm-kit-v9/node20-consumer-contract_2026-08-18-03-14-04.json
 create mode 100644 common/changes/@rushstack/rush-published-versions-json-plugin/node20-consumer-contract_2026-08-18-03-14-04.json
 create mode 100644 common/changes/@rushstack/rush-terminal-renderer/node20-consumer-contract_2026-08-18-03-14-04.json
 create mode 100644 common/changes/@rushstack/set-webpack-public-path-plugin/node20-consumer-contract_2026-08-18-03-14-04.json
 create mode 100644 common/changes/@rushstack/stream-collator/node20-consumer-contract_2026-08-18-03-14-04.json
 create mode 100644 common/changes/@rushstack/terminal/node20-consumer-contract_2026-08-18-03-14-04.json
 create mode 100644 common/changes/@rushstack/trace-import/node20-consumer-contract_2026-08-18-03-14-04.json
 create mode 100644 common/changes/@rushstack/tree-pattern/node20-consumer-contract_2026-08-18-03-14-04.json
 create mode 100644 common/changes/@rushstack/ts-command-line/node20-consumer-contract_2026-08-18-03-14-04.json
 create mode 100644 common/changes/@rushstack/typings-generator/node20-consumer-contract_2026-08-18-03-14-04.json
 create mode 100644 common/changes/@rushstack/webpack-embedded-dependencies-plugin/node20-consumer-contract_2026-08-18-03-14-04.json
 create mode 100644 common/changes/@rushstack/webpack-plugin-utilities/node20-consumer-contract_2026-08-18-03-14-04.json
 create mode 100644 common/changes/@rushstack/webpack-preserve-dynamic-require-plugin/node20-consumer-contract_2026-08-18-03-14-04.json
 create mode 100644 common/changes/@rushstack/webpack-workspace-resolve-plugin/node20-consumer-contract_2026-08-18-03-14-04.json
 create mode 100644 common/changes/@rushstack/webpack4-localization-plugin/node20-consumer-contract_2026-08-18-03-14-04.json
 create mode 100644 common/changes/@rushstack/webpack4-module-minifier-plugin/node20-consumer-contract_2026-08-18-03-14-04.json
 create mode 100644 common/changes/@rushstack/webpack5-localization-plugin/node20-consumer-contract_2026-08-18-03-14-04.json
 create mode 100644 common/changes/@rushstack/webpack5-module-minifier-plugin/node20-consumer-contract_2026-08-18-03-14-04.json
 create mode 100644 common/changes/@rushstack/worker-pool/node20-consumer-contract_2026-08-18-03-14-04.json
 create mode 100644 common/changes/@rushstack/zipsync/node20-consumer-contract_2026-08-18-03-14-04.json

diff --git a/apps/api-documenter/package.json b/apps/api-documenter/package.json
index 5763b378346..3ec2b509c1a 100644
--- a/apps/api-documenter/package.json
+++ b/apps/api-documenter/package.json
@@ -7,6 +7,9 @@
     "url": "https://github.com/microsoft/rushstack.git",
     "directory": "apps/api-documenter"
   },
+  "engines": {
+    "node": ">=20.9.0"
+  },
   "homepage": "https://api-extractor.com/",
   "license": "MIT",
   "scripts": {
diff --git a/apps/api-extractor/package.json b/apps/api-extractor/package.json
index 8e14a294030..7b55aa728d1 100644
--- a/apps/api-extractor/package.json
+++ b/apps/api-extractor/package.json
@@ -24,6 +24,9 @@
     "url": "https://github.com/microsoft/rushstack.git",
     "directory": "apps/api-extractor"
   },
+  "engines": {
+    "node": ">=20.9.0"
+  },
   "homepage": "https://api-extractor.com",
   "main": "./lib-commonjs/index.js",
   "module": "./lib-esm/index.js",
diff --git a/apps/cpu-profile-summarizer/package.json b/apps/cpu-profile-summarizer/package.json
index 1c81fb1bc56..21071c6e301 100644
--- a/apps/cpu-profile-summarizer/package.json
+++ b/apps/cpu-profile-summarizer/package.json
@@ -7,6 +7,9 @@
     "url": "https://github.com/microsoft/rushstack.git",
     "directory": "apps/cpu-profile-summarizer"
   },
+  "engines": {
+    "node": ">=20.9.0"
+  },
   "bin": {
     "cpu-profile-summarizer": "./bin/cpu-profile-summarizer"
   },
diff --git a/apps/heft/package.json b/apps/heft/package.json
index 04184469768..53d53ed9d37 100644
--- a/apps/heft/package.json
+++ b/apps/heft/package.json
@@ -18,7 +18,7 @@
     "directory": "apps/heft"
   },
   "engines": {
-    "node": ">=10.13.0"
+    "node": ">=20.9.0"
   },
   "homepage": "https://rushstack.io/pages/heft/overview/",
   "main": "./lib-commonjs/index.js",
diff --git a/apps/lockfile-explorer/package.json b/apps/lockfile-explorer/package.json
index 1ea049c7842..b5a3d895f10 100644
--- a/apps/lockfile-explorer/package.json
+++ b/apps/lockfile-explorer/package.json
@@ -22,6 +22,9 @@
     "url": "https://github.com/microsoft/rushstack.git",
     "directory": "apps/lockfile-explorer"
   },
+  "engines": {
+    "node": ">=20.9.0"
+  },
   "homepage": "https://lfx.rushstack.io/",
   "license": "MIT",
   "bin": {
diff --git a/apps/playwright-browser-tunnel/package.json b/apps/playwright-browser-tunnel/package.json
index 260656236af..b0322f6ce31 100644
--- a/apps/playwright-browser-tunnel/package.json
+++ b/apps/playwright-browser-tunnel/package.json
@@ -34,7 +34,7 @@
     }
   },
   "engines": {
-    "node": ">=20.0.0"
+    "node": ">=20.9.0"
   },
   "engineStrict": true,
   "homepage": "https://rushstack.io",
diff --git a/apps/rundown/package.json b/apps/rundown/package.json
index cbabf51609f..66a286915b5 100644
--- a/apps/rundown/package.json
+++ b/apps/rundown/package.json
@@ -8,7 +8,7 @@
     "directory": "apps/rundown"
   },
   "engines": {
-    "node": ">=10.0.0"
+    "node": ">=20.9.0"
   },
   "engineStrict": true,
   "homepage": "https://rushstack.io",
diff --git a/apps/rush-mcp-server/package.json b/apps/rush-mcp-server/package.json
index e5f114bf542..4b571e25db2 100644
--- a/apps/rush-mcp-server/package.json
+++ b/apps/rush-mcp-server/package.json
@@ -41,7 +41,7 @@
     "directory": "apps/rush-mcp-server"
   },
   "engines": {
-    "node": ">=10.0.0"
+    "node": ">=20.9.0"
   },
   "engineStrict": true,
   "homepage": "https://rushstack.io",
diff --git a/apps/rush/package.json b/apps/rush/package.json
index c2cbfab5abe..38b775062e6 100644
--- a/apps/rush/package.json
+++ b/apps/rush/package.json
@@ -19,7 +19,7 @@
     "directory": "apps/rush"
   },
   "engines": {
-    "node": ">=5.6.0"
+    "node": ">=20.9.0"
   },
   "engineStrict": true,
   "homepage": "https://rushjs.io",
diff --git a/apps/trace-import/package.json b/apps/trace-import/package.json
index 9075d786cc8..8640ac3932b 100644
--- a/apps/trace-import/package.json
+++ b/apps/trace-import/package.json
@@ -7,6 +7,9 @@
     "url": "https://github.com/microsoft/rushstack.git",
     "directory": "apps/trace-import"
   },
+  "engines": {
+    "node": ">=20.9.0"
+  },
   "bin": {
     "trace-import": "./bin/trace-import"
   },
diff --git a/apps/zipsync/package.json b/apps/zipsync/package.json
index d6d9fba4d52..15206c74f00 100644
--- a/apps/zipsync/package.json
+++ b/apps/zipsync/package.json
@@ -7,6 +7,9 @@
     "url": "https://github.com/microsoft/rushstack.git",
     "directory": "apps/zipsync"
   },
+  "engines": {
+    "node": ">=20.9.0"
+  },
   "bin": {
     "zipsync": "./bin/zipsync"
   },
diff --git a/common/changes/@microsoft/api-documenter/node20-consumer-contract_2026-08-18-03-14-04.json b/common/changes/@microsoft/api-documenter/node20-consumer-contract_2026-08-18-03-14-04.json
new file mode 100644
index 00000000000..f24005b321d
--- /dev/null
+++ b/common/changes/@microsoft/api-documenter/node20-consumer-contract_2026-08-18-03-14-04.json
@@ -0,0 +1,9 @@
+{
+  "changes": [
+    {
+      "packageName": "@microsoft/api-documenter",
+      "comment": "Require Node.js 20.9 or newer for package consumers.",
+      "type": "none"
+    }
+  ]
+}
diff --git a/common/changes/@microsoft/api-extractor-model/node20-consumer-contract_2026-08-18-03-14-04.json b/common/changes/@microsoft/api-extractor-model/node20-consumer-contract_2026-08-18-03-14-04.json
new file mode 100644
index 00000000000..35f78113d9c
--- /dev/null
+++ b/common/changes/@microsoft/api-extractor-model/node20-consumer-contract_2026-08-18-03-14-04.json
@@ -0,0 +1,9 @@
+{
+  "changes": [
+    {
+      "packageName": "@microsoft/api-extractor-model",
+      "comment": "Require Node.js 20.9 or newer for package consumers.",
+      "type": "none"
+    }
+  ]
+}
diff --git a/common/changes/@microsoft/api-extractor/node20-consumer-contract_2026-08-18-03-14-04.json b/common/changes/@microsoft/api-extractor/node20-consumer-contract_2026-08-18-03-14-04.json
new file mode 100644
index 00000000000..cc0988964f1
--- /dev/null
+++ b/common/changes/@microsoft/api-extractor/node20-consumer-contract_2026-08-18-03-14-04.json
@@ -0,0 +1,9 @@
+{
+  "changes": [
+    {
+      "packageName": "@microsoft/api-extractor",
+      "comment": "Require Node.js 20.9 or newer for package consumers.",
+      "type": "none"
+    }
+  ]
+}
diff --git a/common/changes/@microsoft/loader-load-themed-styles/node20-consumer-contract_2026-08-18-03-14-04.json b/common/changes/@microsoft/loader-load-themed-styles/node20-consumer-contract_2026-08-18-03-14-04.json
new file mode 100644
index 00000000000..815ebeaed68
--- /dev/null
+++ b/common/changes/@microsoft/loader-load-themed-styles/node20-consumer-contract_2026-08-18-03-14-04.json
@@ -0,0 +1,9 @@
+{
+  "changes": [
+    {
+      "packageName": "@microsoft/loader-load-themed-styles",
+      "comment": "Require Node.js 20.9 or newer for package consumers.",
+      "type": "none"
+    }
+  ]
+}
diff --git a/common/changes/@microsoft/rush/node20-consumer-contract_2026-08-18-03-14-04.json b/common/changes/@microsoft/rush/node20-consumer-contract_2026-08-18-03-14-04.json
new file mode 100644
index 00000000000..73689523cb3
--- /dev/null
+++ b/common/changes/@microsoft/rush/node20-consumer-contract_2026-08-18-03-14-04.json
@@ -0,0 +1,9 @@
+{
+  "changes": [
+    {
+      "packageName": "@microsoft/rush",
+      "comment": "Require Node.js 20.9 or newer for the Rush bootstrap and runtime.",
+      "type": "none"
+    }
+  ]
+}
diff --git a/common/changes/@microsoft/webpack5-load-themed-styles-loader/node20-consumer-contract_2026-08-18-03-14-04.json b/common/changes/@microsoft/webpack5-load-themed-styles-loader/node20-consumer-contract_2026-08-18-03-14-04.json
new file mode 100644
index 00000000000..d21934c4eba
--- /dev/null
+++ b/common/changes/@microsoft/webpack5-load-themed-styles-loader/node20-consumer-contract_2026-08-18-03-14-04.json
@@ -0,0 +1,9 @@
+{
+  "changes": [
+    {
+      "packageName": "@microsoft/webpack5-load-themed-styles-loader",
+      "comment": "Require Node.js 20.9 or newer for package consumers.",
+      "type": "none"
+    }
+  ]
+}
diff --git a/common/changes/@rushstack/cpu-profile-summarizer/node20-consumer-contract_2026-08-18-03-14-04.json b/common/changes/@rushstack/cpu-profile-summarizer/node20-consumer-contract_2026-08-18-03-14-04.json
new file mode 100644
index 00000000000..9069c724425
--- /dev/null
+++ b/common/changes/@rushstack/cpu-profile-summarizer/node20-consumer-contract_2026-08-18-03-14-04.json
@@ -0,0 +1,9 @@
+{
+  "changes": [
+    {
+      "packageName": "@rushstack/cpu-profile-summarizer",
+      "comment": "Require Node.js 20.9 or newer for package consumers.",
+      "type": "none"
+    }
+  ]
+}
diff --git a/common/changes/@rushstack/credential-cache/node20-consumer-contract_2026-08-18-03-14-04.json b/common/changes/@rushstack/credential-cache/node20-consumer-contract_2026-08-18-03-14-04.json
new file mode 100644
index 00000000000..cc83b656416
--- /dev/null
+++ b/common/changes/@rushstack/credential-cache/node20-consumer-contract_2026-08-18-03-14-04.json
@@ -0,0 +1,9 @@
+{
+  "changes": [
+    {
+      "packageName": "@rushstack/credential-cache",
+      "comment": "Require Node.js 20.9 or newer for package consumers.",
+      "type": "none"
+    }
+  ]
+}
diff --git a/common/changes/@rushstack/debug-certificate-manager/node20-consumer-contract_2026-08-18-03-14-04.json b/common/changes/@rushstack/debug-certificate-manager/node20-consumer-contract_2026-08-18-03-14-04.json
new file mode 100644
index 00000000000..c1d1283893d
--- /dev/null
+++ b/common/changes/@rushstack/debug-certificate-manager/node20-consumer-contract_2026-08-18-03-14-04.json
@@ -0,0 +1,9 @@
+{
+  "changes": [
+    {
+      "packageName": "@rushstack/debug-certificate-manager",
+      "comment": "Require Node.js 20.9 or newer for package consumers.",
+      "type": "none"
+    }
+  ]
+}
diff --git a/common/changes/@rushstack/eslint-bulk/node20-consumer-contract_2026-08-18-03-14-04.json b/common/changes/@rushstack/eslint-bulk/node20-consumer-contract_2026-08-18-03-14-04.json
new file mode 100644
index 00000000000..572821660d8
--- /dev/null
+++ b/common/changes/@rushstack/eslint-bulk/node20-consumer-contract_2026-08-18-03-14-04.json
@@ -0,0 +1,9 @@
+{
+  "changes": [
+    {
+      "packageName": "@rushstack/eslint-bulk",
+      "comment": "Require Node.js 20.9 or newer for package consumers.",
+      "type": "none"
+    }
+  ]
+}
diff --git a/common/changes/@rushstack/eslint-config/node20-consumer-contract_2026-08-18-03-14-04.json b/common/changes/@rushstack/eslint-config/node20-consumer-contract_2026-08-18-03-14-04.json
new file mode 100644
index 00000000000..59d6496b17a
--- /dev/null
+++ b/common/changes/@rushstack/eslint-config/node20-consumer-contract_2026-08-18-03-14-04.json
@@ -0,0 +1,9 @@
+{
+  "changes": [
+    {
+      "packageName": "@rushstack/eslint-config",
+      "comment": "Require Node.js 20.9 or newer for package consumers.",
+      "type": "none"
+    }
+  ]
+}
diff --git a/common/changes/@rushstack/eslint-patch/node20-consumer-contract_2026-08-18-03-14-04.json b/common/changes/@rushstack/eslint-patch/node20-consumer-contract_2026-08-18-03-14-04.json
new file mode 100644
index 00000000000..368d434edf9
--- /dev/null
+++ b/common/changes/@rushstack/eslint-patch/node20-consumer-contract_2026-08-18-03-14-04.json
@@ -0,0 +1,9 @@
+{
+  "changes": [
+    {
+      "packageName": "@rushstack/eslint-patch",
+      "comment": "Require Node.js 20.9 or newer for package consumers.",
+      "type": "none"
+    }
+  ]
+}
diff --git a/common/changes/@rushstack/eslint-plugin-packlets/node20-consumer-contract_2026-08-18-03-14-04.json b/common/changes/@rushstack/eslint-plugin-packlets/node20-consumer-contract_2026-08-18-03-14-04.json
new file mode 100644
index 00000000000..a4bdd16e8d5
--- /dev/null
+++ b/common/changes/@rushstack/eslint-plugin-packlets/node20-consumer-contract_2026-08-18-03-14-04.json
@@ -0,0 +1,9 @@
+{
+  "changes": [
+    {
+      "packageName": "@rushstack/eslint-plugin-packlets",
+      "comment": "Require Node.js 20.9 or newer for package consumers.",
+      "type": "none"
+    }
+  ]
+}
diff --git a/common/changes/@rushstack/eslint-plugin-security/node20-consumer-contract_2026-08-18-03-14-04.json b/common/changes/@rushstack/eslint-plugin-security/node20-consumer-contract_2026-08-18-03-14-04.json
new file mode 100644
index 00000000000..60d638ea46d
--- /dev/null
+++ b/common/changes/@rushstack/eslint-plugin-security/node20-consumer-contract_2026-08-18-03-14-04.json
@@ -0,0 +1,9 @@
+{
+  "changes": [
+    {
+      "packageName": "@rushstack/eslint-plugin-security",
+      "comment": "Require Node.js 20.9 or newer for package consumers.",
+      "type": "none"
+    }
+  ]
+}
diff --git a/common/changes/@rushstack/eslint-plugin/node20-consumer-contract_2026-08-18-03-14-04.json b/common/changes/@rushstack/eslint-plugin/node20-consumer-contract_2026-08-18-03-14-04.json
new file mode 100644
index 00000000000..f227a5427b7
--- /dev/null
+++ b/common/changes/@rushstack/eslint-plugin/node20-consumer-contract_2026-08-18-03-14-04.json
@@ -0,0 +1,9 @@
+{
+  "changes": [
+    {
+      "packageName": "@rushstack/eslint-plugin",
+      "comment": "Require Node.js 20.9 or newer for package consumers.",
+      "type": "none"
+    }
+  ]
+}
diff --git a/common/changes/@rushstack/hashed-folder-copy-plugin/node20-consumer-contract_2026-08-18-03-14-04.json b/common/changes/@rushstack/hashed-folder-copy-plugin/node20-consumer-contract_2026-08-18-03-14-04.json
new file mode 100644
index 00000000000..5fc90c9571b
--- /dev/null
+++ b/common/changes/@rushstack/hashed-folder-copy-plugin/node20-consumer-contract_2026-08-18-03-14-04.json
@@ -0,0 +1,9 @@
+{
+  "changes": [
+    {
+      "packageName": "@rushstack/hashed-folder-copy-plugin",
+      "comment": "Require Node.js 20.9 or newer for package consumers.",
+      "type": "none"
+    }
+  ]
+}
diff --git a/common/changes/@rushstack/heft-api-extractor-plugin/node20-consumer-contract_2026-08-18-03-14-04.json b/common/changes/@rushstack/heft-api-extractor-plugin/node20-consumer-contract_2026-08-18-03-14-04.json
new file mode 100644
index 00000000000..b030102860a
--- /dev/null
+++ b/common/changes/@rushstack/heft-api-extractor-plugin/node20-consumer-contract_2026-08-18-03-14-04.json
@@ -0,0 +1,9 @@
+{
+  "changes": [
+    {
+      "packageName": "@rushstack/heft-api-extractor-plugin",
+      "comment": "Require Node.js 20.9 or newer for package consumers.",
+      "type": "none"
+    }
+  ]
+}
diff --git a/common/changes/@rushstack/heft-config-file/node20-consumer-contract_2026-08-18-03-14-04.json b/common/changes/@rushstack/heft-config-file/node20-consumer-contract_2026-08-18-03-14-04.json
new file mode 100644
index 00000000000..76559c73e92
--- /dev/null
+++ b/common/changes/@rushstack/heft-config-file/node20-consumer-contract_2026-08-18-03-14-04.json
@@ -0,0 +1,9 @@
+{
+  "changes": [
+    {
+      "packageName": "@rushstack/heft-config-file",
+      "comment": "Require Node.js 20.9 or newer for package consumers.",
+      "type": "none"
+    }
+  ]
+}
diff --git a/common/changes/@rushstack/heft-dev-cert-plugin/node20-consumer-contract_2026-08-18-03-14-04.json b/common/changes/@rushstack/heft-dev-cert-plugin/node20-consumer-contract_2026-08-18-03-14-04.json
new file mode 100644
index 00000000000..2db754e4e8c
--- /dev/null
+++ b/common/changes/@rushstack/heft-dev-cert-plugin/node20-consumer-contract_2026-08-18-03-14-04.json
@@ -0,0 +1,9 @@
+{
+  "changes": [
+    {
+      "packageName": "@rushstack/heft-dev-cert-plugin",
+      "comment": "Require Node.js 20.9 or newer for package consumers.",
+      "type": "none"
+    }
+  ]
+}
diff --git a/common/changes/@rushstack/heft-isolated-typescript-transpile-plugin/node20-consumer-contract_2026-08-18-03-14-04.json b/common/changes/@rushstack/heft-isolated-typescript-transpile-plugin/node20-consumer-contract_2026-08-18-03-14-04.json
new file mode 100644
index 00000000000..638d08ec55b
--- /dev/null
+++ b/common/changes/@rushstack/heft-isolated-typescript-transpile-plugin/node20-consumer-contract_2026-08-18-03-14-04.json
@@ -0,0 +1,9 @@
+{
+  "changes": [
+    {
+      "packageName": "@rushstack/heft-isolated-typescript-transpile-plugin",
+      "comment": "Require Node.js 20.9 or newer for package consumers.",
+      "type": "none"
+    }
+  ]
+}
diff --git a/common/changes/@rushstack/heft-jest-plugin/node20-consumer-contract_2026-08-18-03-14-04.json b/common/changes/@rushstack/heft-jest-plugin/node20-consumer-contract_2026-08-18-03-14-04.json
new file mode 100644
index 00000000000..615b40c74db
--- /dev/null
+++ b/common/changes/@rushstack/heft-jest-plugin/node20-consumer-contract_2026-08-18-03-14-04.json
@@ -0,0 +1,9 @@
+{
+  "changes": [
+    {
+      "packageName": "@rushstack/heft-jest-plugin",
+      "comment": "Require Node.js 20.9 or newer for package consumers.",
+      "type": "none"
+    }
+  ]
+}
diff --git a/common/changes/@rushstack/heft-json-schema-typings-plugin/node20-consumer-contract_2026-08-18-03-14-04.json b/common/changes/@rushstack/heft-json-schema-typings-plugin/node20-consumer-contract_2026-08-18-03-14-04.json
new file mode 100644
index 00000000000..383bb24c669
--- /dev/null
+++ b/common/changes/@rushstack/heft-json-schema-typings-plugin/node20-consumer-contract_2026-08-18-03-14-04.json
@@ -0,0 +1,9 @@
+{
+  "changes": [
+    {
+      "packageName": "@rushstack/heft-json-schema-typings-plugin",
+      "comment": "Require Node.js 20.9 or newer for package consumers.",
+      "type": "none"
+    }
+  ]
+}
diff --git a/common/changes/@rushstack/heft-lint-plugin/node20-consumer-contract_2026-08-18-03-14-04.json b/common/changes/@rushstack/heft-lint-plugin/node20-consumer-contract_2026-08-18-03-14-04.json
new file mode 100644
index 00000000000..4c7482f2c7b
--- /dev/null
+++ b/common/changes/@rushstack/heft-lint-plugin/node20-consumer-contract_2026-08-18-03-14-04.json
@@ -0,0 +1,9 @@
+{
+  "changes": [
+    {
+      "packageName": "@rushstack/heft-lint-plugin",
+      "comment": "Require Node.js 20.9 or newer for package consumers.",
+      "type": "none"
+    }
+  ]
+}
diff --git a/common/changes/@rushstack/heft-localization-typings-plugin/node20-consumer-contract_2026-08-18-03-14-04.json b/common/changes/@rushstack/heft-localization-typings-plugin/node20-consumer-contract_2026-08-18-03-14-04.json
new file mode 100644
index 00000000000..7b33b36dea9
--- /dev/null
+++ b/common/changes/@rushstack/heft-localization-typings-plugin/node20-consumer-contract_2026-08-18-03-14-04.json
@@ -0,0 +1,9 @@
+{
+  "changes": [
+    {
+      "packageName": "@rushstack/heft-localization-typings-plugin",
+      "comment": "Require Node.js 20.9 or newer for package consumers.",
+      "type": "none"
+    }
+  ]
+}
diff --git a/common/changes/@rushstack/heft-rspack-plugin/node20-consumer-contract_2026-08-18-03-14-04.json b/common/changes/@rushstack/heft-rspack-plugin/node20-consumer-contract_2026-08-18-03-14-04.json
new file mode 100644
index 00000000000..2bba21a3a56
--- /dev/null
+++ b/common/changes/@rushstack/heft-rspack-plugin/node20-consumer-contract_2026-08-18-03-14-04.json
@@ -0,0 +1,9 @@
+{
+  "changes": [
+    {
+      "packageName": "@rushstack/heft-rspack-plugin",
+      "comment": "Require Node.js 20.9 or newer for package consumers.",
+      "type": "none"
+    }
+  ]
+}
diff --git a/common/changes/@rushstack/heft-sass-load-themed-styles-plugin/node20-consumer-contract_2026-08-18-03-14-04.json b/common/changes/@rushstack/heft-sass-load-themed-styles-plugin/node20-consumer-contract_2026-08-18-03-14-04.json
new file mode 100644
index 00000000000..49f550aabca
--- /dev/null
+++ b/common/changes/@rushstack/heft-sass-load-themed-styles-plugin/node20-consumer-contract_2026-08-18-03-14-04.json
@@ -0,0 +1,9 @@
+{
+  "changes": [
+    {
+      "packageName": "@rushstack/heft-sass-load-themed-styles-plugin",
+      "comment": "Require Node.js 20.9 or newer for package consumers.",
+      "type": "none"
+    }
+  ]
+}
diff --git a/common/changes/@rushstack/heft-sass-plugin/node20-consumer-contract_2026-08-18-03-14-04.json b/common/changes/@rushstack/heft-sass-plugin/node20-consumer-contract_2026-08-18-03-14-04.json
new file mode 100644
index 00000000000..e1e697bfe42
--- /dev/null
+++ b/common/changes/@rushstack/heft-sass-plugin/node20-consumer-contract_2026-08-18-03-14-04.json
@@ -0,0 +1,9 @@
+{
+  "changes": [
+    {
+      "packageName": "@rushstack/heft-sass-plugin",
+      "comment": "Require Node.js 20.9 or newer for package consumers.",
+      "type": "none"
+    }
+  ]
+}
diff --git a/common/changes/@rushstack/heft-serverless-stack-plugin/node20-consumer-contract_2026-08-18-03-14-04.json b/common/changes/@rushstack/heft-serverless-stack-plugin/node20-consumer-contract_2026-08-18-03-14-04.json
new file mode 100644
index 00000000000..ad401484aa7
--- /dev/null
+++ b/common/changes/@rushstack/heft-serverless-stack-plugin/node20-consumer-contract_2026-08-18-03-14-04.json
@@ -0,0 +1,9 @@
+{
+  "changes": [
+    {
+      "packageName": "@rushstack/heft-serverless-stack-plugin",
+      "comment": "Require Node.js 20.9 or newer for package consumers.",
+      "type": "none"
+    }
+  ]
+}
diff --git a/common/changes/@rushstack/heft-static-asset-typings-plugin/node20-consumer-contract_2026-08-18-03-14-04.json b/common/changes/@rushstack/heft-static-asset-typings-plugin/node20-consumer-contract_2026-08-18-03-14-04.json
new file mode 100644
index 00000000000..305506a652c
--- /dev/null
+++ b/common/changes/@rushstack/heft-static-asset-typings-plugin/node20-consumer-contract_2026-08-18-03-14-04.json
@@ -0,0 +1,9 @@
+{
+  "changes": [
+    {
+      "packageName": "@rushstack/heft-static-asset-typings-plugin",
+      "comment": "Require Node.js 20.9 or newer for package consumers.",
+      "type": "none"
+    }
+  ]
+}
diff --git a/common/changes/@rushstack/heft-storybook-plugin/node20-consumer-contract_2026-08-18-03-14-04.json b/common/changes/@rushstack/heft-storybook-plugin/node20-consumer-contract_2026-08-18-03-14-04.json
new file mode 100644
index 00000000000..c9e8add73ea
--- /dev/null
+++ b/common/changes/@rushstack/heft-storybook-plugin/node20-consumer-contract_2026-08-18-03-14-04.json
@@ -0,0 +1,9 @@
+{
+  "changes": [
+    {
+      "packageName": "@rushstack/heft-storybook-plugin",
+      "comment": "Require Node.js 20.9 or newer for package consumers.",
+      "type": "none"
+    }
+  ]
+}
diff --git a/common/changes/@rushstack/heft-typescript-plugin/node20-consumer-contract_2026-08-18-03-14-04.json b/common/changes/@rushstack/heft-typescript-plugin/node20-consumer-contract_2026-08-18-03-14-04.json
new file mode 100644
index 00000000000..36307ce31bc
--- /dev/null
+++ b/common/changes/@rushstack/heft-typescript-plugin/node20-consumer-contract_2026-08-18-03-14-04.json
@@ -0,0 +1,9 @@
+{
+  "changes": [
+    {
+      "packageName": "@rushstack/heft-typescript-plugin",
+      "comment": "Require Node.js 20.9 or newer for package consumers.",
+      "type": "none"
+    }
+  ]
+}
diff --git a/common/changes/@rushstack/heft-vscode-extension-plugin/node20-consumer-contract_2026-08-18-03-14-04.json b/common/changes/@rushstack/heft-vscode-extension-plugin/node20-consumer-contract_2026-08-18-03-14-04.json
new file mode 100644
index 00000000000..951af440c57
--- /dev/null
+++ b/common/changes/@rushstack/heft-vscode-extension-plugin/node20-consumer-contract_2026-08-18-03-14-04.json
@@ -0,0 +1,9 @@
+{
+  "changes": [
+    {
+      "packageName": "@rushstack/heft-vscode-extension-plugin",
+      "comment": "Require Node.js 20.9 or newer for package consumers.",
+      "type": "none"
+    }
+  ]
+}
diff --git a/common/changes/@rushstack/heft-webpack4-plugin/node20-consumer-contract_2026-08-18-03-14-04.json b/common/changes/@rushstack/heft-webpack4-plugin/node20-consumer-contract_2026-08-18-03-14-04.json
new file mode 100644
index 00000000000..5f5e0a674bf
--- /dev/null
+++ b/common/changes/@rushstack/heft-webpack4-plugin/node20-consumer-contract_2026-08-18-03-14-04.json
@@ -0,0 +1,9 @@
+{
+  "changes": [
+    {
+      "packageName": "@rushstack/heft-webpack4-plugin",
+      "comment": "Require Node.js 20.9 or newer for package consumers.",
+      "type": "none"
+    }
+  ]
+}
diff --git a/common/changes/@rushstack/heft-webpack5-plugin/node20-consumer-contract_2026-08-18-03-14-04.json b/common/changes/@rushstack/heft-webpack5-plugin/node20-consumer-contract_2026-08-18-03-14-04.json
new file mode 100644
index 00000000000..2c54959cfda
--- /dev/null
+++ b/common/changes/@rushstack/heft-webpack5-plugin/node20-consumer-contract_2026-08-18-03-14-04.json
@@ -0,0 +1,9 @@
+{
+  "changes": [
+    {
+      "packageName": "@rushstack/heft-webpack5-plugin",
+      "comment": "Require Node.js 20.9 or newer for package consumers.",
+      "type": "none"
+    }
+  ]
+}
diff --git a/common/changes/@rushstack/heft/node20-consumer-contract_2026-08-18-03-14-04.json b/common/changes/@rushstack/heft/node20-consumer-contract_2026-08-18-03-14-04.json
new file mode 100644
index 00000000000..975f5c36d78
--- /dev/null
+++ b/common/changes/@rushstack/heft/node20-consumer-contract_2026-08-18-03-14-04.json
@@ -0,0 +1,9 @@
+{
+  "changes": [
+    {
+      "packageName": "@rushstack/heft",
+      "comment": "Require Node.js 20.9 or newer for package consumers.",
+      "type": "none"
+    }
+  ]
+}
diff --git a/common/changes/@rushstack/loader-raw-script/node20-consumer-contract_2026-08-18-03-14-04.json b/common/changes/@rushstack/loader-raw-script/node20-consumer-contract_2026-08-18-03-14-04.json
new file mode 100644
index 00000000000..65ca65f0d96
--- /dev/null
+++ b/common/changes/@rushstack/loader-raw-script/node20-consumer-contract_2026-08-18-03-14-04.json
@@ -0,0 +1,9 @@
+{
+  "changes": [
+    {
+      "packageName": "@rushstack/loader-raw-script",
+      "comment": "Require Node.js 20.9 or newer for package consumers.",
+      "type": "none"
+    }
+  ]
+}
diff --git a/common/changes/@rushstack/localization-utilities/node20-consumer-contract_2026-08-18-03-14-04.json b/common/changes/@rushstack/localization-utilities/node20-consumer-contract_2026-08-18-03-14-04.json
new file mode 100644
index 00000000000..79e180b79fe
--- /dev/null
+++ b/common/changes/@rushstack/localization-utilities/node20-consumer-contract_2026-08-18-03-14-04.json
@@ -0,0 +1,9 @@
+{
+  "changes": [
+    {
+      "packageName": "@rushstack/localization-utilities",
+      "comment": "Require Node.js 20.9 or newer for package consumers.",
+      "type": "none"
+    }
+  ]
+}
diff --git a/common/changes/@rushstack/lockfile-explorer/node20-consumer-contract_2026-08-18-03-14-04.json b/common/changes/@rushstack/lockfile-explorer/node20-consumer-contract_2026-08-18-03-14-04.json
new file mode 100644
index 00000000000..0cd269411f2
--- /dev/null
+++ b/common/changes/@rushstack/lockfile-explorer/node20-consumer-contract_2026-08-18-03-14-04.json
@@ -0,0 +1,9 @@
+{
+  "changes": [
+    {
+      "packageName": "@rushstack/lockfile-explorer",
+      "comment": "Require Node.js 20.9 or newer for package consumers.",
+      "type": "none"
+    }
+  ]
+}
diff --git a/common/changes/@rushstack/lookup-by-path/node20-consumer-contract_2026-08-18-03-14-04.json b/common/changes/@rushstack/lookup-by-path/node20-consumer-contract_2026-08-18-03-14-04.json
new file mode 100644
index 00000000000..81322bc3434
--- /dev/null
+++ b/common/changes/@rushstack/lookup-by-path/node20-consumer-contract_2026-08-18-03-14-04.json
@@ -0,0 +1,9 @@
+{
+  "changes": [
+    {
+      "packageName": "@rushstack/lookup-by-path",
+      "comment": "Require Node.js 20.9 or newer for package consumers.",
+      "type": "none"
+    }
+  ]
+}
diff --git a/common/changes/@rushstack/mcp-server/node20-consumer-contract_2026-08-18-03-14-04.json b/common/changes/@rushstack/mcp-server/node20-consumer-contract_2026-08-18-03-14-04.json
new file mode 100644
index 00000000000..4edb7d07f5f
--- /dev/null
+++ b/common/changes/@rushstack/mcp-server/node20-consumer-contract_2026-08-18-03-14-04.json
@@ -0,0 +1,9 @@
+{
+  "changes": [
+    {
+      "packageName": "@rushstack/mcp-server",
+      "comment": "Require Node.js 20.9 or newer for package consumers.",
+      "type": "none"
+    }
+  ]
+}
diff --git a/common/changes/@rushstack/module-minifier/node20-consumer-contract_2026-08-18-03-14-04.json b/common/changes/@rushstack/module-minifier/node20-consumer-contract_2026-08-18-03-14-04.json
new file mode 100644
index 00000000000..b0778dc381a
--- /dev/null
+++ b/common/changes/@rushstack/module-minifier/node20-consumer-contract_2026-08-18-03-14-04.json
@@ -0,0 +1,9 @@
+{
+  "changes": [
+    {
+      "packageName": "@rushstack/module-minifier",
+      "comment": "Require Node.js 20.9 or newer for package consumers.",
+      "type": "none"
+    }
+  ]
+}
diff --git a/common/changes/@rushstack/node-core-library/node20-consumer-contract_2026-08-18-03-14-04.json b/common/changes/@rushstack/node-core-library/node20-consumer-contract_2026-08-18-03-14-04.json
new file mode 100644
index 00000000000..c333bdb0ea9
--- /dev/null
+++ b/common/changes/@rushstack/node-core-library/node20-consumer-contract_2026-08-18-03-14-04.json
@@ -0,0 +1,9 @@
+{
+  "changes": [
+    {
+      "packageName": "@rushstack/node-core-library",
+      "comment": "Require Node.js 20.9 or newer for package consumers.",
+      "type": "none"
+    }
+  ]
+}
diff --git a/common/changes/@rushstack/npm-check-fork/node20-consumer-contract_2026-08-18-03-14-04.json b/common/changes/@rushstack/npm-check-fork/node20-consumer-contract_2026-08-18-03-14-04.json
new file mode 100644
index 00000000000..b975977c1f7
--- /dev/null
+++ b/common/changes/@rushstack/npm-check-fork/node20-consumer-contract_2026-08-18-03-14-04.json
@@ -0,0 +1,9 @@
+{
+  "changes": [
+    {
+      "packageName": "@rushstack/npm-check-fork",
+      "comment": "Require Node.js 20.9 or newer for package consumers.",
+      "type": "none"
+    }
+  ]
+}
diff --git a/common/changes/@rushstack/operation-graph/node20-consumer-contract_2026-08-18-03-14-04.json b/common/changes/@rushstack/operation-graph/node20-consumer-contract_2026-08-18-03-14-04.json
new file mode 100644
index 00000000000..8d6e70e923b
--- /dev/null
+++ b/common/changes/@rushstack/operation-graph/node20-consumer-contract_2026-08-18-03-14-04.json
@@ -0,0 +1,9 @@
+{
+  "changes": [
+    {
+      "packageName": "@rushstack/operation-graph",
+      "comment": "Require Node.js 20.9 or newer for package consumers.",
+      "type": "none"
+    }
+  ]
+}
diff --git a/common/changes/@rushstack/package-deps-hash/node20-consumer-contract_2026-08-18-03-14-04.json b/common/changes/@rushstack/package-deps-hash/node20-consumer-contract_2026-08-18-03-14-04.json
new file mode 100644
index 00000000000..746f1d05ab5
--- /dev/null
+++ b/common/changes/@rushstack/package-deps-hash/node20-consumer-contract_2026-08-18-03-14-04.json
@@ -0,0 +1,9 @@
+{
+  "changes": [
+    {
+      "packageName": "@rushstack/package-deps-hash",
+      "comment": "Require Node.js 20.9 or newer for package consumers.",
+      "type": "none"
+    }
+  ]
+}
diff --git a/common/changes/@rushstack/package-extractor/node20-consumer-contract_2026-08-18-03-14-04.json b/common/changes/@rushstack/package-extractor/node20-consumer-contract_2026-08-18-03-14-04.json
new file mode 100644
index 00000000000..ee7e08b0ffc
--- /dev/null
+++ b/common/changes/@rushstack/package-extractor/node20-consumer-contract_2026-08-18-03-14-04.json
@@ -0,0 +1,9 @@
+{
+  "changes": [
+    {
+      "packageName": "@rushstack/package-extractor",
+      "comment": "Require Node.js 20.9 or newer for package consumers.",
+      "type": "none"
+    }
+  ]
+}
diff --git a/common/changes/@rushstack/playwright-browser-tunnel/node20-consumer-contract_2026-08-18-03-14-04.json b/common/changes/@rushstack/playwright-browser-tunnel/node20-consumer-contract_2026-08-18-03-14-04.json
new file mode 100644
index 00000000000..ebba604b1d0
--- /dev/null
+++ b/common/changes/@rushstack/playwright-browser-tunnel/node20-consumer-contract_2026-08-18-03-14-04.json
@@ -0,0 +1,9 @@
+{
+  "changes": [
+    {
+      "packageName": "@rushstack/playwright-browser-tunnel",
+      "comment": "Require Node.js 20.9 or newer for package consumers.",
+      "type": "none"
+    }
+  ]
+}
diff --git a/common/changes/@rushstack/problem-matcher/node20-consumer-contract_2026-08-18-03-14-04.json b/common/changes/@rushstack/problem-matcher/node20-consumer-contract_2026-08-18-03-14-04.json
new file mode 100644
index 00000000000..2b943dc5aac
--- /dev/null
+++ b/common/changes/@rushstack/problem-matcher/node20-consumer-contract_2026-08-18-03-14-04.json
@@ -0,0 +1,9 @@
+{
+  "changes": [
+    {
+      "packageName": "@rushstack/problem-matcher",
+      "comment": "Require Node.js 20.9 or newer for package consumers.",
+      "type": "none"
+    }
+  ]
+}
diff --git a/common/changes/@rushstack/rig-package/node20-consumer-contract_2026-08-18-03-14-04.json b/common/changes/@rushstack/rig-package/node20-consumer-contract_2026-08-18-03-14-04.json
new file mode 100644
index 00000000000..b3da8078500
--- /dev/null
+++ b/common/changes/@rushstack/rig-package/node20-consumer-contract_2026-08-18-03-14-04.json
@@ -0,0 +1,9 @@
+{
+  "changes": [
+    {
+      "packageName": "@rushstack/rig-package",
+      "comment": "Require Node.js 20.9 or newer for package consumers.",
+      "type": "none"
+    }
+  ]
+}
diff --git a/common/changes/@rushstack/rundown/node20-consumer-contract_2026-08-18-03-14-04.json b/common/changes/@rushstack/rundown/node20-consumer-contract_2026-08-18-03-14-04.json
new file mode 100644
index 00000000000..4e058e440b4
--- /dev/null
+++ b/common/changes/@rushstack/rundown/node20-consumer-contract_2026-08-18-03-14-04.json
@@ -0,0 +1,9 @@
+{
+  "changes": [
+    {
+      "packageName": "@rushstack/rundown",
+      "comment": "Require Node.js 20.9 or newer for package consumers.",
+      "type": "none"
+    }
+  ]
+}
diff --git a/common/changes/@rushstack/rush-daemon-protocol/node20-consumer-contract_2026-08-18-03-14-04.json b/common/changes/@rushstack/rush-daemon-protocol/node20-consumer-contract_2026-08-18-03-14-04.json
new file mode 100644
index 00000000000..4b8fdab67d3
--- /dev/null
+++ b/common/changes/@rushstack/rush-daemon-protocol/node20-consumer-contract_2026-08-18-03-14-04.json
@@ -0,0 +1,9 @@
+{
+  "changes": [
+    {
+      "packageName": "@rushstack/rush-daemon-protocol",
+      "comment": "Require Node.js 20.9 or newer for package consumers.",
+      "type": "none"
+    }
+  ]
+}
diff --git a/common/changes/@rushstack/rush-daemon-transport/node20-consumer-contract_2026-08-18-03-14-04.json b/common/changes/@rushstack/rush-daemon-transport/node20-consumer-contract_2026-08-18-03-14-04.json
new file mode 100644
index 00000000000..af31b992aa6
--- /dev/null
+++ b/common/changes/@rushstack/rush-daemon-transport/node20-consumer-contract_2026-08-18-03-14-04.json
@@ -0,0 +1,9 @@
+{
+  "changes": [
+    {
+      "packageName": "@rushstack/rush-daemon-transport",
+      "comment": "Require Node.js 20.9 or newer for package consumers.",
+      "type": "none"
+    }
+  ]
+}
diff --git a/common/changes/@rushstack/rush-daemon/node20-consumer-contract_2026-08-18-03-14-04.json b/common/changes/@rushstack/rush-daemon/node20-consumer-contract_2026-08-18-03-14-04.json
new file mode 100644
index 00000000000..7e35e644a9e
--- /dev/null
+++ b/common/changes/@rushstack/rush-daemon/node20-consumer-contract_2026-08-18-03-14-04.json
@@ -0,0 +1,9 @@
+{
+  "changes": [
+    {
+      "packageName": "@rushstack/rush-daemon",
+      "comment": "Require Node.js 20.9 or newer for package consumers.",
+      "type": "none"
+    }
+  ]
+}
diff --git a/common/changes/@rushstack/rush-mcp-docs-plugin/node20-consumer-contract_2026-08-18-03-14-04.json b/common/changes/@rushstack/rush-mcp-docs-plugin/node20-consumer-contract_2026-08-18-03-14-04.json
new file mode 100644
index 00000000000..5d2dad8151a
--- /dev/null
+++ b/common/changes/@rushstack/rush-mcp-docs-plugin/node20-consumer-contract_2026-08-18-03-14-04.json
@@ -0,0 +1,9 @@
+{
+  "changes": [
+    {
+      "packageName": "@rushstack/rush-mcp-docs-plugin",
+      "comment": "Require Node.js 20.9 or newer for package consumers.",
+      "type": "none"
+    }
+  ]
+}
diff --git a/common/changes/@rushstack/rush-pnpm-kit-v10/node20-consumer-contract_2026-08-18-03-14-04.json b/common/changes/@rushstack/rush-pnpm-kit-v10/node20-consumer-contract_2026-08-18-03-14-04.json
new file mode 100644
index 00000000000..028fc8a70bf
--- /dev/null
+++ b/common/changes/@rushstack/rush-pnpm-kit-v10/node20-consumer-contract_2026-08-18-03-14-04.json
@@ -0,0 +1,9 @@
+{
+  "changes": [
+    {
+      "packageName": "@rushstack/rush-pnpm-kit-v10",
+      "comment": "Require Node.js 20.9 or newer for package consumers.",
+      "type": "none"
+    }
+  ]
+}
diff --git a/common/changes/@rushstack/rush-pnpm-kit-v8/node20-consumer-contract_2026-08-18-03-14-04.json b/common/changes/@rushstack/rush-pnpm-kit-v8/node20-consumer-contract_2026-08-18-03-14-04.json
new file mode 100644
index 00000000000..e3987efce29
--- /dev/null
+++ b/common/changes/@rushstack/rush-pnpm-kit-v8/node20-consumer-contract_2026-08-18-03-14-04.json
@@ -0,0 +1,9 @@
+{
+  "changes": [
+    {
+      "packageName": "@rushstack/rush-pnpm-kit-v8",
+      "comment": "Require Node.js 20.9 or newer for package consumers.",
+      "type": "none"
+    }
+  ]
+}
diff --git a/common/changes/@rushstack/rush-pnpm-kit-v9/node20-consumer-contract_2026-08-18-03-14-04.json b/common/changes/@rushstack/rush-pnpm-kit-v9/node20-consumer-contract_2026-08-18-03-14-04.json
new file mode 100644
index 00000000000..ea37b7644a3
--- /dev/null
+++ b/common/changes/@rushstack/rush-pnpm-kit-v9/node20-consumer-contract_2026-08-18-03-14-04.json
@@ -0,0 +1,9 @@
+{
+  "changes": [
+    {
+      "packageName": "@rushstack/rush-pnpm-kit-v9",
+      "comment": "Require Node.js 20.9 or newer for package consumers.",
+      "type": "none"
+    }
+  ]
+}
diff --git a/common/changes/@rushstack/rush-published-versions-json-plugin/node20-consumer-contract_2026-08-18-03-14-04.json b/common/changes/@rushstack/rush-published-versions-json-plugin/node20-consumer-contract_2026-08-18-03-14-04.json
new file mode 100644
index 00000000000..8fc661d9ae9
--- /dev/null
+++ b/common/changes/@rushstack/rush-published-versions-json-plugin/node20-consumer-contract_2026-08-18-03-14-04.json
@@ -0,0 +1,9 @@
+{
+  "changes": [
+    {
+      "packageName": "@rushstack/rush-published-versions-json-plugin",
+      "comment": "Require Node.js 20.9 or newer for package consumers.",
+      "type": "none"
+    }
+  ]
+}
diff --git a/common/changes/@rushstack/rush-terminal-renderer/node20-consumer-contract_2026-08-18-03-14-04.json b/common/changes/@rushstack/rush-terminal-renderer/node20-consumer-contract_2026-08-18-03-14-04.json
new file mode 100644
index 00000000000..c53ccc26a43
--- /dev/null
+++ b/common/changes/@rushstack/rush-terminal-renderer/node20-consumer-contract_2026-08-18-03-14-04.json
@@ -0,0 +1,9 @@
+{
+  "changes": [
+    {
+      "packageName": "@rushstack/rush-terminal-renderer",
+      "comment": "Require Node.js 20.9 or newer for package consumers.",
+      "type": "none"
+    }
+  ]
+}
diff --git a/common/changes/@rushstack/set-webpack-public-path-plugin/node20-consumer-contract_2026-08-18-03-14-04.json b/common/changes/@rushstack/set-webpack-public-path-plugin/node20-consumer-contract_2026-08-18-03-14-04.json
new file mode 100644
index 00000000000..cd1b6ab409b
--- /dev/null
+++ b/common/changes/@rushstack/set-webpack-public-path-plugin/node20-consumer-contract_2026-08-18-03-14-04.json
@@ -0,0 +1,9 @@
+{
+  "changes": [
+    {
+      "packageName": "@rushstack/set-webpack-public-path-plugin",
+      "comment": "Require Node.js 20.9 or newer for package consumers.",
+      "type": "none"
+    }
+  ]
+}
diff --git a/common/changes/@rushstack/stream-collator/node20-consumer-contract_2026-08-18-03-14-04.json b/common/changes/@rushstack/stream-collator/node20-consumer-contract_2026-08-18-03-14-04.json
new file mode 100644
index 00000000000..a4926c42b1c
--- /dev/null
+++ b/common/changes/@rushstack/stream-collator/node20-consumer-contract_2026-08-18-03-14-04.json
@@ -0,0 +1,9 @@
+{
+  "changes": [
+    {
+      "packageName": "@rushstack/stream-collator",
+      "comment": "Require Node.js 20.9 or newer for package consumers.",
+      "type": "none"
+    }
+  ]
+}
diff --git a/common/changes/@rushstack/terminal/node20-consumer-contract_2026-08-18-03-14-04.json b/common/changes/@rushstack/terminal/node20-consumer-contract_2026-08-18-03-14-04.json
new file mode 100644
index 00000000000..c06ef3a081e
--- /dev/null
+++ b/common/changes/@rushstack/terminal/node20-consumer-contract_2026-08-18-03-14-04.json
@@ -0,0 +1,9 @@
+{
+  "changes": [
+    {
+      "packageName": "@rushstack/terminal",
+      "comment": "Require Node.js 20.9 or newer for package consumers.",
+      "type": "none"
+    }
+  ]
+}
diff --git a/common/changes/@rushstack/trace-import/node20-consumer-contract_2026-08-18-03-14-04.json b/common/changes/@rushstack/trace-import/node20-consumer-contract_2026-08-18-03-14-04.json
new file mode 100644
index 00000000000..d0836559552
--- /dev/null
+++ b/common/changes/@rushstack/trace-import/node20-consumer-contract_2026-08-18-03-14-04.json
@@ -0,0 +1,9 @@
+{
+  "changes": [
+    {
+      "packageName": "@rushstack/trace-import",
+      "comment": "Require Node.js 20.9 or newer for package consumers.",
+      "type": "none"
+    }
+  ]
+}
diff --git a/common/changes/@rushstack/tree-pattern/node20-consumer-contract_2026-08-18-03-14-04.json b/common/changes/@rushstack/tree-pattern/node20-consumer-contract_2026-08-18-03-14-04.json
new file mode 100644
index 00000000000..6a5cbd395a0
--- /dev/null
+++ b/common/changes/@rushstack/tree-pattern/node20-consumer-contract_2026-08-18-03-14-04.json
@@ -0,0 +1,9 @@
+{
+  "changes": [
+    {
+      "packageName": "@rushstack/tree-pattern",
+      "comment": "Require Node.js 20.9 or newer for package consumers.",
+      "type": "none"
+    }
+  ]
+}
diff --git a/common/changes/@rushstack/ts-command-line/node20-consumer-contract_2026-08-18-03-14-04.json b/common/changes/@rushstack/ts-command-line/node20-consumer-contract_2026-08-18-03-14-04.json
new file mode 100644
index 00000000000..58a7dffb925
--- /dev/null
+++ b/common/changes/@rushstack/ts-command-line/node20-consumer-contract_2026-08-18-03-14-04.json
@@ -0,0 +1,9 @@
+{
+  "changes": [
+    {
+      "packageName": "@rushstack/ts-command-line",
+      "comment": "Require Node.js 20.9 or newer for package consumers.",
+      "type": "none"
+    }
+  ]
+}
diff --git a/common/changes/@rushstack/typings-generator/node20-consumer-contract_2026-08-18-03-14-04.json b/common/changes/@rushstack/typings-generator/node20-consumer-contract_2026-08-18-03-14-04.json
new file mode 100644
index 00000000000..e5183987435
--- /dev/null
+++ b/common/changes/@rushstack/typings-generator/node20-consumer-contract_2026-08-18-03-14-04.json
@@ -0,0 +1,9 @@
+{
+  "changes": [
+    {
+      "packageName": "@rushstack/typings-generator",
+      "comment": "Require Node.js 20.9 or newer for package consumers.",
+      "type": "none"
+    }
+  ]
+}
diff --git a/common/changes/@rushstack/webpack-embedded-dependencies-plugin/node20-consumer-contract_2026-08-18-03-14-04.json b/common/changes/@rushstack/webpack-embedded-dependencies-plugin/node20-consumer-contract_2026-08-18-03-14-04.json
new file mode 100644
index 00000000000..b22b0e50c1e
--- /dev/null
+++ b/common/changes/@rushstack/webpack-embedded-dependencies-plugin/node20-consumer-contract_2026-08-18-03-14-04.json
@@ -0,0 +1,9 @@
+{
+  "changes": [
+    {
+      "packageName": "@rushstack/webpack-embedded-dependencies-plugin",
+      "comment": "Require Node.js 20.9 or newer for package consumers.",
+      "type": "none"
+    }
+  ]
+}
diff --git a/common/changes/@rushstack/webpack-plugin-utilities/node20-consumer-contract_2026-08-18-03-14-04.json b/common/changes/@rushstack/webpack-plugin-utilities/node20-consumer-contract_2026-08-18-03-14-04.json
new file mode 100644
index 00000000000..58edb786e84
--- /dev/null
+++ b/common/changes/@rushstack/webpack-plugin-utilities/node20-consumer-contract_2026-08-18-03-14-04.json
@@ -0,0 +1,9 @@
+{
+  "changes": [
+    {
+      "packageName": "@rushstack/webpack-plugin-utilities",
+      "comment": "Require Node.js 20.9 or newer for package consumers.",
+      "type": "none"
+    }
+  ]
+}
diff --git a/common/changes/@rushstack/webpack-preserve-dynamic-require-plugin/node20-consumer-contract_2026-08-18-03-14-04.json b/common/changes/@rushstack/webpack-preserve-dynamic-require-plugin/node20-consumer-contract_2026-08-18-03-14-04.json
new file mode 100644
index 00000000000..a02e59cc5bc
--- /dev/null
+++ b/common/changes/@rushstack/webpack-preserve-dynamic-require-plugin/node20-consumer-contract_2026-08-18-03-14-04.json
@@ -0,0 +1,9 @@
+{
+  "changes": [
+    {
+      "packageName": "@rushstack/webpack-preserve-dynamic-require-plugin",
+      "comment": "Require Node.js 20.9 or newer for package consumers.",
+      "type": "none"
+    }
+  ]
+}
diff --git a/common/changes/@rushstack/webpack-workspace-resolve-plugin/node20-consumer-contract_2026-08-18-03-14-04.json b/common/changes/@rushstack/webpack-workspace-resolve-plugin/node20-consumer-contract_2026-08-18-03-14-04.json
new file mode 100644
index 00000000000..0c68b72c9b3
--- /dev/null
+++ b/common/changes/@rushstack/webpack-workspace-resolve-plugin/node20-consumer-contract_2026-08-18-03-14-04.json
@@ -0,0 +1,9 @@
+{
+  "changes": [
+    {
+      "packageName": "@rushstack/webpack-workspace-resolve-plugin",
+      "comment": "Require Node.js 20.9 or newer for package consumers.",
+      "type": "none"
+    }
+  ]
+}
diff --git a/common/changes/@rushstack/webpack4-localization-plugin/node20-consumer-contract_2026-08-18-03-14-04.json b/common/changes/@rushstack/webpack4-localization-plugin/node20-consumer-contract_2026-08-18-03-14-04.json
new file mode 100644
index 00000000000..ed8fc43ad55
--- /dev/null
+++ b/common/changes/@rushstack/webpack4-localization-plugin/node20-consumer-contract_2026-08-18-03-14-04.json
@@ -0,0 +1,9 @@
+{
+  "changes": [
+    {
+      "packageName": "@rushstack/webpack4-localization-plugin",
+      "comment": "Require Node.js 20.9 or newer for package consumers.",
+      "type": "none"
+    }
+  ]
+}
diff --git a/common/changes/@rushstack/webpack4-module-minifier-plugin/node20-consumer-contract_2026-08-18-03-14-04.json b/common/changes/@rushstack/webpack4-module-minifier-plugin/node20-consumer-contract_2026-08-18-03-14-04.json
new file mode 100644
index 00000000000..183fceeeee2
--- /dev/null
+++ b/common/changes/@rushstack/webpack4-module-minifier-plugin/node20-consumer-contract_2026-08-18-03-14-04.json
@@ -0,0 +1,9 @@
+{
+  "changes": [
+    {
+      "packageName": "@rushstack/webpack4-module-minifier-plugin",
+      "comment": "Require Node.js 20.9 or newer for package consumers.",
+      "type": "none"
+    }
+  ]
+}
diff --git a/common/changes/@rushstack/webpack5-localization-plugin/node20-consumer-contract_2026-08-18-03-14-04.json b/common/changes/@rushstack/webpack5-localization-plugin/node20-consumer-contract_2026-08-18-03-14-04.json
new file mode 100644
index 00000000000..a9b91a7fd03
--- /dev/null
+++ b/common/changes/@rushstack/webpack5-localization-plugin/node20-consumer-contract_2026-08-18-03-14-04.json
@@ -0,0 +1,9 @@
+{
+  "changes": [
+    {
+      "packageName": "@rushstack/webpack5-localization-plugin",
+      "comment": "Require Node.js 20.9 or newer for package consumers.",
+      "type": "none"
+    }
+  ]
+}
diff --git a/common/changes/@rushstack/webpack5-module-minifier-plugin/node20-consumer-contract_2026-08-18-03-14-04.json b/common/changes/@rushstack/webpack5-module-minifier-plugin/node20-consumer-contract_2026-08-18-03-14-04.json
new file mode 100644
index 00000000000..5e3301e1585
--- /dev/null
+++ b/common/changes/@rushstack/webpack5-module-minifier-plugin/node20-consumer-contract_2026-08-18-03-14-04.json
@@ -0,0 +1,9 @@
+{
+  "changes": [
+    {
+      "packageName": "@rushstack/webpack5-module-minifier-plugin",
+      "comment": "Require Node.js 20.9 or newer for package consumers.",
+      "type": "none"
+    }
+  ]
+}
diff --git a/common/changes/@rushstack/worker-pool/node20-consumer-contract_2026-08-18-03-14-04.json b/common/changes/@rushstack/worker-pool/node20-consumer-contract_2026-08-18-03-14-04.json
new file mode 100644
index 00000000000..a7e9bd99f00
--- /dev/null
+++ b/common/changes/@rushstack/worker-pool/node20-consumer-contract_2026-08-18-03-14-04.json
@@ -0,0 +1,9 @@
+{
+  "changes": [
+    {
+      "packageName": "@rushstack/worker-pool",
+      "comment": "Require Node.js 20.9 or newer for package consumers.",
+      "type": "none"
+    }
+  ]
+}
diff --git a/common/changes/@rushstack/zipsync/node20-consumer-contract_2026-08-18-03-14-04.json b/common/changes/@rushstack/zipsync/node20-consumer-contract_2026-08-18-03-14-04.json
new file mode 100644
index 00000000000..e735c761a28
--- /dev/null
+++ b/common/changes/@rushstack/zipsync/node20-consumer-contract_2026-08-18-03-14-04.json
@@ -0,0 +1,9 @@
+{
+  "changes": [
+    {
+      "packageName": "@rushstack/zipsync",
+      "comment": "Require Node.js 20.9 or newer for package consumers.",
+      "type": "none"
+    }
+  ]
+}
diff --git a/eslint/eslint-bulk/package.json b/eslint/eslint-bulk/package.json
index 416b6df7520..49e6ce1e3d2 100755
--- a/eslint/eslint-bulk/package.json
+++ b/eslint/eslint-bulk/package.json
@@ -24,6 +24,9 @@
     "type": "git",
     "directory": "eslint/eslint-bulk"
   },
+  "engines": {
+    "node": ">=20.9.0"
+  },
   "homepage": "https://rushstack.io",
   "bin": {
     "eslint-bulk": "./bin/eslint-bulk"
diff --git a/eslint/eslint-config/package.json b/eslint/eslint-config/package.json
index 3738b2aebbd..ac915c8c502 100644
--- a/eslint/eslint-config/package.json
+++ b/eslint/eslint-config/package.json
@@ -8,6 +8,9 @@
     "type": "git",
     "directory": "eslint/eslint-config"
   },
+  "engines": {
+    "node": ">=20.9.0"
+  },
   "homepage": "https://rushstack.io",
   "scripts": {
     "build": "",
diff --git a/eslint/eslint-patch/package.json b/eslint/eslint-patch/package.json
index 77c780390a0..ef53d7c3ab6 100644
--- a/eslint/eslint-patch/package.json
+++ b/eslint/eslint-patch/package.json
@@ -46,6 +46,9 @@
     "type": "git",
     "directory": "eslint/eslint-patch"
   },
+  "engines": {
+    "node": ">=20.9.0"
+  },
   "homepage": "https://rushstack.io",
   "scripts": {
     "build": "heft build --clean",
diff --git a/eslint/eslint-plugin-packlets/package.json b/eslint/eslint-plugin-packlets/package.json
index 6863c681f62..4f2c71cfee9 100644
--- a/eslint/eslint-plugin-packlets/package.json
+++ b/eslint/eslint-plugin-packlets/package.json
@@ -8,6 +8,9 @@
     "type": "git",
     "directory": "eslint/eslint-plugin-packlets"
   },
+  "engines": {
+    "node": ">=20.9.0"
+  },
   "homepage": "https://rushstack.io",
   "keywords": [
     "eslint",
diff --git a/eslint/eslint-plugin-security/package.json b/eslint/eslint-plugin-security/package.json
index 091a40bb999..a7d99e642da 100644
--- a/eslint/eslint-plugin-security/package.json
+++ b/eslint/eslint-plugin-security/package.json
@@ -8,6 +8,9 @@
     "type": "git",
     "directory": "eslint/eslint-plugin-security"
   },
+  "engines": {
+    "node": ">=20.9.0"
+  },
   "homepage": "https://rushstack.io",
   "keywords": [
     "eslint",
diff --git a/eslint/eslint-plugin/package.json b/eslint/eslint-plugin/package.json
index 54265e09ed4..4edb63b855d 100644
--- a/eslint/eslint-plugin/package.json
+++ b/eslint/eslint-plugin/package.json
@@ -8,6 +8,9 @@
     "type": "git",
     "directory": "eslint/eslint-plugin"
   },
+  "engines": {
+    "node": ">=20.9.0"
+  },
   "homepage": "https://rushstack.io",
   "keywords": [
     "eslint",
diff --git a/heft-plugins/heft-api-extractor-plugin/package.json b/heft-plugins/heft-api-extractor-plugin/package.json
index 8478752ffad..0fe8e11df8a 100644
--- a/heft-plugins/heft-api-extractor-plugin/package.json
+++ b/heft-plugins/heft-api-extractor-plugin/package.json
@@ -7,6 +7,9 @@
     "url": "https://github.com/microsoft/rushstack.git",
     "directory": "heft-plugins/heft-api-extractor-plugin"
   },
+  "engines": {
+    "node": ">=20.9.0"
+  },
   "homepage": "https://rushstack.io/pages/heft/overview/",
   "license": "MIT",
   "scripts": {
diff --git a/heft-plugins/heft-dev-cert-plugin/package.json b/heft-plugins/heft-dev-cert-plugin/package.json
index 37fa3fdd2b4..052f2079e47 100644
--- a/heft-plugins/heft-dev-cert-plugin/package.json
+++ b/heft-plugins/heft-dev-cert-plugin/package.json
@@ -7,6 +7,9 @@
     "url": "https://github.com/microsoft/rushstack.git",
     "directory": "heft-plugins/heft-dev-cert-plugin"
   },
+  "engines": {
+    "node": ">=20.9.0"
+  },
   "homepage": "https://rushstack.io/pages/heft/overview/",
   "license": "MIT",
   "scripts": {
diff --git a/heft-plugins/heft-isolated-typescript-transpile-plugin/package.json b/heft-plugins/heft-isolated-typescript-transpile-plugin/package.json
index bbb6b5d0f20..cdd84e247da 100644
--- a/heft-plugins/heft-isolated-typescript-transpile-plugin/package.json
+++ b/heft-plugins/heft-isolated-typescript-transpile-plugin/package.json
@@ -7,6 +7,9 @@
     "url": "https://github.com/microsoft/rushstack.git",
     "directory": "heft-plugins/heft-isolated-typescript-transpile-plugin"
   },
+  "engines": {
+    "node": ">=20.9.0"
+  },
   "homepage": "https://rushstack.io/pages/heft/overview/",
   "license": "MIT",
   "main": "./lib-commonjs/index.js",
diff --git a/heft-plugins/heft-jest-plugin/package.json b/heft-plugins/heft-jest-plugin/package.json
index 978c0d7b405..4694a42bce1 100644
--- a/heft-plugins/heft-jest-plugin/package.json
+++ b/heft-plugins/heft-jest-plugin/package.json
@@ -7,6 +7,9 @@
     "url": "https://github.com/microsoft/rushstack.git",
     "directory": "heft-plugins/heft-jest-plugin"
   },
+  "engines": {
+    "node": ">=20.9.0"
+  },
   "homepage": "https://rushstack.io/pages/heft/overview/",
   "license": "MIT",
   "scripts": {
diff --git a/heft-plugins/heft-json-schema-typings-plugin/package.json b/heft-plugins/heft-json-schema-typings-plugin/package.json
index 3889b21da7e..380585ac4f9 100644
--- a/heft-plugins/heft-json-schema-typings-plugin/package.json
+++ b/heft-plugins/heft-json-schema-typings-plugin/package.json
@@ -7,6 +7,9 @@
     "url": "https://github.com/microsoft/rushstack.git",
     "directory": "heft-plugins/heft-json-schema-typings-plugin"
   },
+  "engines": {
+    "node": ">=20.9.0"
+  },
   "homepage": "https://rushstack.io/pages/heft/overview/",
   "license": "MIT",
   "scripts": {
diff --git a/heft-plugins/heft-lint-plugin/package.json b/heft-plugins/heft-lint-plugin/package.json
index eab9901c0cb..1a129cedc52 100644
--- a/heft-plugins/heft-lint-plugin/package.json
+++ b/heft-plugins/heft-lint-plugin/package.json
@@ -7,6 +7,9 @@
     "url": "https://github.com/microsoft/rushstack.git",
     "directory": "heft-plugins/heft-lint-plugin"
   },
+  "engines": {
+    "node": ">=20.9.0"
+  },
   "homepage": "https://rushstack.io/pages/heft/overview/",
   "license": "MIT",
   "scripts": {
diff --git a/heft-plugins/heft-localization-typings-plugin/package.json b/heft-plugins/heft-localization-typings-plugin/package.json
index 875af34e4d5..4c35a3ef234 100644
--- a/heft-plugins/heft-localization-typings-plugin/package.json
+++ b/heft-plugins/heft-localization-typings-plugin/package.json
@@ -7,6 +7,9 @@
     "url": "https://github.com/microsoft/rushstack.git",
     "directory": "heft-plugins/heft-localization-typings-plugin"
   },
+  "engines": {
+    "node": ">=20.9.0"
+  },
   "homepage": "https://rushstack.io/pages/heft/overview/",
   "license": "MIT",
   "scripts": {
diff --git a/heft-plugins/heft-rspack-plugin/package.json b/heft-plugins/heft-rspack-plugin/package.json
index d1992a81563..676108381a1 100644
--- a/heft-plugins/heft-rspack-plugin/package.json
+++ b/heft-plugins/heft-rspack-plugin/package.json
@@ -7,6 +7,9 @@
     "url": "https://github.com/microsoft/rushstack.git",
     "directory": "heft-plugins/heft-rspack-plugin"
   },
+  "engines": {
+    "node": ">=20.9.0"
+  },
   "homepage": "https://rushstack.io/pages/heft/overview/",
   "main": "./lib-commonjs/index.js",
   "module": "./lib-esm/index.js",
diff --git a/heft-plugins/heft-sass-load-themed-styles-plugin/package.json b/heft-plugins/heft-sass-load-themed-styles-plugin/package.json
index 48459762b13..f7e35de592b 100644
--- a/heft-plugins/heft-sass-load-themed-styles-plugin/package.json
+++ b/heft-plugins/heft-sass-load-themed-styles-plugin/package.json
@@ -7,6 +7,9 @@
     "url": "https://github.com/microsoft/rushstack.git",
     "directory": "heft-plugins/heft-sass-load-themed-styles-plugin"
   },
+  "engines": {
+    "node": ">=20.9.0"
+  },
   "homepage": "https://rushstack.io/pages/heft/overview/",
   "license": "MIT",
   "scripts": {
diff --git a/heft-plugins/heft-sass-plugin/package.json b/heft-plugins/heft-sass-plugin/package.json
index e762873dfad..66089b581f0 100644
--- a/heft-plugins/heft-sass-plugin/package.json
+++ b/heft-plugins/heft-sass-plugin/package.json
@@ -7,6 +7,9 @@
     "url": "https://github.com/microsoft/rushstack.git",
     "directory": "heft-plugins/heft-sass-plugin"
   },
+  "engines": {
+    "node": ">=20.9.0"
+  },
   "homepage": "https://rushstack.io/pages/heft/overview/",
   "license": "MIT",
   "scripts": {
diff --git a/heft-plugins/heft-serverless-stack-plugin/package.json b/heft-plugins/heft-serverless-stack-plugin/package.json
index a1b679dda23..64d9a588429 100644
--- a/heft-plugins/heft-serverless-stack-plugin/package.json
+++ b/heft-plugins/heft-serverless-stack-plugin/package.json
@@ -7,6 +7,9 @@
     "url": "https://github.com/microsoft/rushstack.git",
     "directory": "heft-plugins/heft-serverless-stack-plugin"
   },
+  "engines": {
+    "node": ">=20.9.0"
+  },
   "license": "MIT",
   "scripts": {
     "build": "heft build --clean",
diff --git a/heft-plugins/heft-static-asset-typings-plugin/package.json b/heft-plugins/heft-static-asset-typings-plugin/package.json
index ae160b3cf54..a9feb38d9c0 100644
--- a/heft-plugins/heft-static-asset-typings-plugin/package.json
+++ b/heft-plugins/heft-static-asset-typings-plugin/package.json
@@ -13,6 +13,9 @@
     "url": "https://github.com/microsoft/rushstack.git",
     "directory": "heft-plugins/heft-static-asset-typings-plugin"
   },
+  "engines": {
+    "node": ">=20.9.0"
+  },
   "homepage": "https://rushstack.io/pages/heft/overview/",
   "exports": {
     "./lib/*.schema.json": "./lib-commonjs/*.schema.json",
diff --git a/heft-plugins/heft-storybook-plugin/package.json b/heft-plugins/heft-storybook-plugin/package.json
index e1333693be5..50d2f176a99 100644
--- a/heft-plugins/heft-storybook-plugin/package.json
+++ b/heft-plugins/heft-storybook-plugin/package.json
@@ -7,6 +7,9 @@
     "url": "https://github.com/microsoft/rushstack.git",
     "directory": "heft-plugins/heft-storybook-plugin"
   },
+  "engines": {
+    "node": ">=20.9.0"
+  },
   "homepage": "https://rushstack.io/pages/heft/overview/",
   "license": "MIT",
   "scripts": {
diff --git a/heft-plugins/heft-typescript-plugin/package.json b/heft-plugins/heft-typescript-plugin/package.json
index b2da6b8d8ca..ed1c3f90354 100644
--- a/heft-plugins/heft-typescript-plugin/package.json
+++ b/heft-plugins/heft-typescript-plugin/package.json
@@ -7,6 +7,9 @@
     "url": "https://github.com/microsoft/rushstack.git",
     "directory": "heft-plugins/heft-typescript-plugin"
   },
+  "engines": {
+    "node": ">=20.9.0"
+  },
   "homepage": "https://rushstack.io/pages/heft/overview/",
   "main": "./lib-commonjs/index.js",
   "module": "./lib-esm/index.js",
diff --git a/heft-plugins/heft-vscode-extension-plugin/package.json b/heft-plugins/heft-vscode-extension-plugin/package.json
index ec5f171e5d6..fc6c87deea1 100644
--- a/heft-plugins/heft-vscode-extension-plugin/package.json
+++ b/heft-plugins/heft-vscode-extension-plugin/package.json
@@ -7,6 +7,9 @@
     "url": "https://github.com/microsoft/rushstack.git",
     "directory": "heft-plugins/heft-vscode-extension-plugin"
   },
+  "engines": {
+    "node": ">=20.9.0"
+  },
   "homepage": "https://rushstack.io/pages/heft/overview/",
   "license": "MIT",
   "scripts": {
diff --git a/heft-plugins/heft-webpack4-plugin/package.json b/heft-plugins/heft-webpack4-plugin/package.json
index 585617a1ab1..ba47d3f0d01 100644
--- a/heft-plugins/heft-webpack4-plugin/package.json
+++ b/heft-plugins/heft-webpack4-plugin/package.json
@@ -7,6 +7,9 @@
     "url": "https://github.com/microsoft/rushstack.git",
     "directory": "heft-plugins/heft-webpack4-plugin"
   },
+  "engines": {
+    "node": ">=20.9.0"
+  },
   "homepage": "https://rushstack.io/pages/heft/overview/",
   "main": "./lib-commonjs/index.js",
   "module": "./lib-esm/index.js",
diff --git a/heft-plugins/heft-webpack5-plugin/package.json b/heft-plugins/heft-webpack5-plugin/package.json
index dbdaee5280c..6af15a81d1b 100644
--- a/heft-plugins/heft-webpack5-plugin/package.json
+++ b/heft-plugins/heft-webpack5-plugin/package.json
@@ -7,6 +7,9 @@
     "url": "https://github.com/microsoft/rushstack.git",
     "directory": "heft-plugins/heft-webpack5-plugin"
   },
+  "engines": {
+    "node": ">=20.9.0"
+  },
   "homepage": "https://rushstack.io/pages/heft/overview/",
   "main": "./lib-commonjs/index.js",
   "module": "./lib-esm/index.js",
diff --git a/libraries/api-extractor-model/package.json b/libraries/api-extractor-model/package.json
index d203e042146..84b3a6c2264 100644
--- a/libraries/api-extractor-model/package.json
+++ b/libraries/api-extractor-model/package.json
@@ -7,6 +7,9 @@
     "url": "https://github.com/microsoft/rushstack.git",
     "directory": "libraries/api-extractor-model"
   },
+  "engines": {
+    "node": ">=20.9.0"
+  },
   "homepage": "https://api-extractor.com",
   "main": "./lib-commonjs/index.js",
   "module": "./lib-esm/index.js",
diff --git a/libraries/credential-cache/package.json b/libraries/credential-cache/package.json
index 00b115fcfdb..2373df96053 100644
--- a/libraries/credential-cache/package.json
+++ b/libraries/credential-cache/package.json
@@ -34,6 +34,9 @@
     "type": "git",
     "directory": "libraries/credential-cache"
   },
+  "engines": {
+    "node": ">=20.9.0"
+  },
   "scripts": {
     "build": "heft build --clean",
     "_phase:build": "heft run --only build -- --clean",
diff --git a/libraries/debug-certificate-manager/package.json b/libraries/debug-certificate-manager/package.json
index 792f97eabc0..f13a428b945 100644
--- a/libraries/debug-certificate-manager/package.json
+++ b/libraries/debug-certificate-manager/package.json
@@ -33,6 +33,9 @@
     "type": "git",
     "directory": "libraries/debug-certificate-manager"
   },
+  "engines": {
+    "node": ">=20.9.0"
+  },
   "scripts": {
     "build": "heft build --clean",
     "_phase:build": "heft run --only build -- --clean"
diff --git a/libraries/heft-config-file/package.json b/libraries/heft-config-file/package.json
index e0b23bdc6d8..d6a39b93dc5 100644
--- a/libraries/heft-config-file/package.json
+++ b/libraries/heft-config-file/package.json
@@ -8,7 +8,7 @@
     "directory": "libraries/heft-config-file"
   },
   "engines": {
-    "node": ">=10.13.0"
+    "node": ">=20.9.0"
   },
   "homepage": "https://rushstack.io/pages/heft/overview/",
   "main": "./lib-commonjs/index.js",
diff --git a/libraries/localization-utilities/package.json b/libraries/localization-utilities/package.json
index 0b7b1b3904b..a3b756ed1a8 100644
--- a/libraries/localization-utilities/package.json
+++ b/libraries/localization-utilities/package.json
@@ -34,6 +34,9 @@
     "url": "https://github.com/microsoft/rushstack.git",
     "directory": "libraries/localization-utilities"
   },
+  "engines": {
+    "node": ">=20.9.0"
+  },
   "scripts": {
     "build": "heft build --clean",
     "_phase:build": "heft run --only build -- --clean",
diff --git a/libraries/lookup-by-path/package.json b/libraries/lookup-by-path/package.json
index 1effe74dbff..c5c126dd9b7 100644
--- a/libraries/lookup-by-path/package.json
+++ b/libraries/lookup-by-path/package.json
@@ -40,6 +40,9 @@
     "type": "git",
     "directory": "libraries/lookup-by-path"
   },
+  "engines": {
+    "node": ">=20.9.0"
+  },
   "scripts": {
     "build": "heft build --clean",
     "_phase:build": "heft run --only build -- --clean",
diff --git a/libraries/module-minifier/package.json b/libraries/module-minifier/package.json
index bd0bbb20c0f..c6e73957292 100644
--- a/libraries/module-minifier/package.json
+++ b/libraries/module-minifier/package.json
@@ -33,6 +33,9 @@
     "type": "git",
     "directory": "libraries/module-minifier"
   },
+  "engines": {
+    "node": ">=20.9.0"
+  },
   "scripts": {
     "build": "heft build --clean",
     "_phase:build": "heft run --only build -- --clean",
diff --git a/libraries/node-core-library/package.json b/libraries/node-core-library/package.json
index 86fb72be3fd..06a4248fa4b 100644
--- a/libraries/node-core-library/package.json
+++ b/libraries/node-core-library/package.json
@@ -33,6 +33,9 @@
     "type": "git",
     "directory": "libraries/node-core-library"
   },
+  "engines": {
+    "node": ">=20.9.0"
+  },
   "scripts": {
     "build": "heft build --clean",
     "_phase:build": "heft run --only build -- --clean",
diff --git a/libraries/npm-check-fork/package.json b/libraries/npm-check-fork/package.json
index 5ef33cac588..9df6ef8f7bf 100644
--- a/libraries/npm-check-fork/package.json
+++ b/libraries/npm-check-fork/package.json
@@ -7,6 +7,9 @@
     "url": "https://github.com/microsoft/rushstack.git",
     "directory": "libraries/npm-check-fork"
   },
+  "engines": {
+    "node": ">=20.9.0"
+  },
   "homepage": "https://github.com/dylang/npm-check",
   "main": "./lib-commonjs/index.js",
   "module": "./lib-esm/index.js",
diff --git a/libraries/operation-graph/package.json b/libraries/operation-graph/package.json
index 68ab65f61f5..32791418acf 100644
--- a/libraries/operation-graph/package.json
+++ b/libraries/operation-graph/package.json
@@ -33,6 +33,9 @@
     "type": "git",
     "directory": "libraries/operation-graph"
   },
+  "engines": {
+    "node": ">=20.9.0"
+  },
   "scripts": {
     "build": "heft build --clean",
     "_phase:build": "heft run --only build -- --clean",
diff --git a/libraries/package-deps-hash/package.json b/libraries/package-deps-hash/package.json
index f544941ee40..7e6ca7748e5 100644
--- a/libraries/package-deps-hash/package.json
+++ b/libraries/package-deps-hash/package.json
@@ -33,6 +33,9 @@
     "url": "https://github.com/microsoft/rushstack.git",
     "directory": "libraries/package-deps-hash"
   },
+  "engines": {
+    "node": ">=20.9.0"
+  },
   "scripts": {
     "build": "heft build --clean",
     "_phase:build": "heft run --only build -- --clean",
diff --git a/libraries/package-extractor/package.json b/libraries/package-extractor/package.json
index ee47b0ac2ae..4d5824c167f 100644
--- a/libraries/package-extractor/package.json
+++ b/libraries/package-extractor/package.json
@@ -32,6 +32,9 @@
     "url": "https://github.com/microsoft/rushstack.git",
     "directory": "libraries/package-extractor"
   },
+  "engines": {
+    "node": ">=20.9.0"
+  },
   "scripts": {
     "build": "heft build --clean",
     "test": "heft test --clean",
diff --git a/libraries/problem-matcher/package.json b/libraries/problem-matcher/package.json
index 092a5fc6ab7..7f6d4b3e585 100644
--- a/libraries/problem-matcher/package.json
+++ b/libraries/problem-matcher/package.json
@@ -33,6 +33,9 @@
     "type": "git",
     "directory": "libraries/problem-matcher"
   },
+  "engines": {
+    "node": ">=20.9.0"
+  },
   "scripts": {
     "build": "heft build --clean",
     "_phase:build": "heft run --only build -- --clean",
diff --git a/libraries/rig-package/package.json b/libraries/rig-package/package.json
index 81be1e6a4d1..9b53c66db92 100644
--- a/libraries/rig-package/package.json
+++ b/libraries/rig-package/package.json
@@ -34,6 +34,9 @@
     "type": "git",
     "directory": "libraries/rig-package"
   },
+  "engines": {
+    "node": ">=20.9.0"
+  },
   "scripts": {
     "build": "heft build --clean",
     "_phase:build": "heft run --only build -- --clean",
diff --git a/libraries/rush-daemon-protocol/package.json b/libraries/rush-daemon-protocol/package.json
index fda603ecc91..a0d0ce5ba40 100644
--- a/libraries/rush-daemon-protocol/package.json
+++ b/libraries/rush-daemon-protocol/package.json
@@ -41,6 +41,9 @@
     "type": "git",
     "directory": "libraries/rush-daemon-protocol"
   },
+  "engines": {
+    "node": ">=20.9.0"
+  },
   "scripts": {
     "build": "heft build --clean",
     "_phase:build": "heft run --only build -- --clean",
diff --git a/libraries/rush-daemon-transport/package.json b/libraries/rush-daemon-transport/package.json
index 92f16b3ed5e..e509517e8f4 100644
--- a/libraries/rush-daemon-transport/package.json
+++ b/libraries/rush-daemon-transport/package.json
@@ -41,6 +41,9 @@
     "type": "git",
     "directory": "libraries/rush-daemon-transport"
   },
+  "engines": {
+    "node": ">=20.9.0"
+  },
   "scripts": {
     "build": "heft build --clean",
     "_phase:build": "heft run --only build -- --clean",
diff --git a/libraries/rush-daemon/package.json b/libraries/rush-daemon/package.json
index dc317158d51..ae76afb22b6 100644
--- a/libraries/rush-daemon/package.json
+++ b/libraries/rush-daemon/package.json
@@ -33,6 +33,9 @@
     "type": "git",
     "directory": "libraries/rush-daemon"
   },
+  "engines": {
+    "node": ">=20.9.0"
+  },
   "scripts": {
     "build": "heft build --clean",
     "_phase:build": "heft run --only build -- --clean",
diff --git a/libraries/rush-lib/package.json b/libraries/rush-lib/package.json
index a37b8ba9b73..c1e072cd268 100644
--- a/libraries/rush-lib/package.json
+++ b/libraries/rush-lib/package.json
@@ -8,7 +8,7 @@
     "directory": "libraries/rush-lib"
   },
   "engines": {
-    "node": ">=5.6.0"
+    "node": ">=20.9.0"
   },
   "engineStrict": true,
   "homepage": "https://rushjs.io",
diff --git a/libraries/rush-pnpm-kit-v10/package.json b/libraries/rush-pnpm-kit-v10/package.json
index 7cea49f0d94..179c40d31c8 100644
--- a/libraries/rush-pnpm-kit-v10/package.json
+++ b/libraries/rush-pnpm-kit-v10/package.json
@@ -2,6 +2,9 @@
   "name": "@rushstack/rush-pnpm-kit-v10",
   "version": "0.2.24",
   "description": "rush pnpm kit v10",
+  "engines": {
+    "node": ">=20.9.0"
+  },
   "license": "MIT",
   "main": "./lib-commonjs/index.js",
   "module": "./lib-esm/index.js",
diff --git a/libraries/rush-pnpm-kit-v8/package.json b/libraries/rush-pnpm-kit-v8/package.json
index 2ab0daa4c2c..8811327206b 100644
--- a/libraries/rush-pnpm-kit-v8/package.json
+++ b/libraries/rush-pnpm-kit-v8/package.json
@@ -2,6 +2,9 @@
   "name": "@rushstack/rush-pnpm-kit-v8",
   "version": "0.2.24",
   "description": "rush pnpm kit v8",
+  "engines": {
+    "node": ">=20.9.0"
+  },
   "license": "MIT",
   "main": "./lib-commonjs/index.js",
   "module": "./lib-esm/index.js",
diff --git a/libraries/rush-pnpm-kit-v9/package.json b/libraries/rush-pnpm-kit-v9/package.json
index c66eeabb83e..ccb3a6fa44f 100644
--- a/libraries/rush-pnpm-kit-v9/package.json
+++ b/libraries/rush-pnpm-kit-v9/package.json
@@ -2,6 +2,9 @@
   "name": "@rushstack/rush-pnpm-kit-v9",
   "version": "0.2.24",
   "description": "rush pnpm kit v9",
+  "engines": {
+    "node": ">=20.9.0"
+  },
   "license": "MIT",
   "main": "./lib-commonjs/index.js",
   "module": "./lib-esm/index.js",
diff --git a/libraries/rush-sdk/package.json b/libraries/rush-sdk/package.json
index db92e74decb..801c66f20fa 100644
--- a/libraries/rush-sdk/package.json
+++ b/libraries/rush-sdk/package.json
@@ -7,6 +7,9 @@
     "url": "https://github.com/microsoft/rushstack.git",
     "directory": "apps/rush-sdk"
   },
+  "engines": {
+    "node": ">=20.9.0"
+  },
   "homepage": "https://rushjs.io",
   "main": "./lib-shim/index.js",
   "types": "./dist/rush-lib.d.ts",
diff --git a/libraries/rush-terminal-renderer/package.json b/libraries/rush-terminal-renderer/package.json
index 140def45edf..bea5738b017 100644
--- a/libraries/rush-terminal-renderer/package.json
+++ b/libraries/rush-terminal-renderer/package.json
@@ -41,6 +41,9 @@
     "type": "git",
     "directory": "libraries/rush-terminal-renderer"
   },
+  "engines": {
+    "node": ">=20.9.0"
+  },
   "scripts": {
     "build": "heft build --clean",
     "_phase:build": "heft run --only build -- --clean",
diff --git a/libraries/stream-collator/package.json b/libraries/stream-collator/package.json
index fc4d7cdce2a..fef15a90721 100644
--- a/libraries/stream-collator/package.json
+++ b/libraries/stream-collator/package.json
@@ -7,6 +7,9 @@
     "url": "https://github.com/microsoft/rushstack.git",
     "directory": "libraries/stream-collator"
   },
+  "engines": {
+    "node": ">=20.9.0"
+  },
   "main": "./lib-commonjs/index.js",
   "module": "./lib-esm/index.js",
   "types": "./dist/stream-collator.d.ts",
diff --git a/libraries/terminal/package.json b/libraries/terminal/package.json
index e0f701050aa..b7042c64328 100644
--- a/libraries/terminal/package.json
+++ b/libraries/terminal/package.json
@@ -33,6 +33,9 @@
     "type": "git",
     "directory": "libraries/terminal"
   },
+  "engines": {
+    "node": ">=20.9.0"
+  },
   "scripts": {
     "build": "heft build --clean",
     "_phase:build": "heft run --only build -- --clean",
diff --git a/libraries/tree-pattern/package.json b/libraries/tree-pattern/package.json
index 3d5a85a5929..79ffb8c1d23 100644
--- a/libraries/tree-pattern/package.json
+++ b/libraries/tree-pattern/package.json
@@ -33,6 +33,9 @@
     "type": "git",
     "directory": "libraries/tree-pattern"
   },
+  "engines": {
+    "node": ">=20.9.0"
+  },
   "scripts": {
     "build": "heft build --clean",
     "_phase:build": "heft run --only build -- --clean",
diff --git a/libraries/ts-command-line/package.json b/libraries/ts-command-line/package.json
index 66d3e0b4725..349cdc89d53 100644
--- a/libraries/ts-command-line/package.json
+++ b/libraries/ts-command-line/package.json
@@ -7,6 +7,9 @@
     "url": "https://github.com/microsoft/rushstack.git",
     "directory": "libraries/ts-command-line"
   },
+  "engines": {
+    "node": ">=20.9.0"
+  },
   "main": "./lib-commonjs/index.js",
   "module": "./lib-esm/index.js",
   "types": "./dist/ts-command-line.d.ts",
diff --git a/libraries/typings-generator/package.json b/libraries/typings-generator/package.json
index d82b4a37768..70862519dcd 100644
--- a/libraries/typings-generator/package.json
+++ b/libraries/typings-generator/package.json
@@ -38,6 +38,9 @@
     "url": "https://github.com/microsoft/rushstack.git",
     "directory": "libraries/typings-generator"
   },
+  "engines": {
+    "node": ">=20.9.0"
+  },
   "scripts": {
     "build": "heft build --clean",
     "_phase:build": "heft run --only build -- --clean",
diff --git a/libraries/worker-pool/package.json b/libraries/worker-pool/package.json
index fafb1bb4861..674de9ccd00 100644
--- a/libraries/worker-pool/package.json
+++ b/libraries/worker-pool/package.json
@@ -33,6 +33,9 @@
     "type": "git",
     "directory": "libraries/worker-pool"
   },
+  "engines": {
+    "node": ">=20.9.0"
+  },
   "scripts": {
     "build": "heft build --clean",
     "_phase:build": "heft run --only build -- --clean",
diff --git a/rush-plugins/rush-amazon-s3-build-cache-plugin/package.json b/rush-plugins/rush-amazon-s3-build-cache-plugin/package.json
index bd5d2d7a523..7c514881d93 100644
--- a/rush-plugins/rush-amazon-s3-build-cache-plugin/package.json
+++ b/rush-plugins/rush-amazon-s3-build-cache-plugin/package.json
@@ -7,6 +7,9 @@
     "url": "https://github.com/microsoft/rushstack",
     "directory": "rush-plugins/rush-amazon-s3-build-cache-plugin"
   },
+  "engines": {
+    "node": ">=20.9.0"
+  },
   "homepage": "https://rushjs.io",
   "main": "./lib-commonjs/index.js",
   "module": "./lib-esm/index.js",
diff --git a/rush-plugins/rush-azure-storage-build-cache-plugin/package.json b/rush-plugins/rush-azure-storage-build-cache-plugin/package.json
index fdcf396dade..932d0d46597 100644
--- a/rush-plugins/rush-azure-storage-build-cache-plugin/package.json
+++ b/rush-plugins/rush-azure-storage-build-cache-plugin/package.json
@@ -7,6 +7,9 @@
     "url": "https://github.com/microsoft/rushstack",
     "directory": "heft-plugins/heft-webpack5-plugin"
   },
+  "engines": {
+    "node": ">=20.9.0"
+  },
   "homepage": "https://rushjs.io",
   "main": "./lib-commonjs/index.js",
   "module": "./lib-esm/index.js",
diff --git a/rush-plugins/rush-bridge-cache-plugin/package.json b/rush-plugins/rush-bridge-cache-plugin/package.json
index 79b7961563d..ab4bd627746 100644
--- a/rush-plugins/rush-bridge-cache-plugin/package.json
+++ b/rush-plugins/rush-bridge-cache-plugin/package.json
@@ -10,6 +10,9 @@
     "type": "git",
     "directory": "rush-plugins/rush-bridge-cache-plugin"
   },
+  "engines": {
+    "node": ">=20.9.0"
+  },
   "homepage": "https://rushjs.io",
   "types": "./lib-dts/index.d.ts",
   "exports": {
diff --git a/rush-plugins/rush-buildxl-graph-plugin/package.json b/rush-plugins/rush-buildxl-graph-plugin/package.json
index 88d87dec1c7..3ff07970ed9 100644
--- a/rush-plugins/rush-buildxl-graph-plugin/package.json
+++ b/rush-plugins/rush-buildxl-graph-plugin/package.json
@@ -7,6 +7,9 @@
     "url": "https://github.com/microsoft/rushstack",
     "directory": "rush-plugins/rush-buildxl-graph-plugin"
   },
+  "engines": {
+    "node": ">=20.9.0"
+  },
   "homepage": "https://rushjs.io",
   "main": "./lib-commonjs/index.js",
   "module": "./lib-esm/index.js",
diff --git a/rush-plugins/rush-http-build-cache-plugin/package.json b/rush-plugins/rush-http-build-cache-plugin/package.json
index 5325ef8529f..1474e117534 100644
--- a/rush-plugins/rush-http-build-cache-plugin/package.json
+++ b/rush-plugins/rush-http-build-cache-plugin/package.json
@@ -7,6 +7,9 @@
     "url": "https://github.com/microsoft/rushstack",
     "directory": "rush-plugins/rush-http-build-cache-plugin"
   },
+  "engines": {
+    "node": ">=20.9.0"
+  },
   "homepage": "https://rushjs.io",
   "main": "./lib-commonjs/index.js",
   "module": "./lib-esm/index.js",
diff --git a/rush-plugins/rush-mcp-docs-plugin/package.json b/rush-plugins/rush-mcp-docs-plugin/package.json
index 0eb29ba1691..e407316c593 100644
--- a/rush-plugins/rush-mcp-docs-plugin/package.json
+++ b/rush-plugins/rush-mcp-docs-plugin/package.json
@@ -7,6 +7,9 @@
     "type": "git",
     "directory": "rush-plugins/rush-mcp-docs-plugin"
   },
+  "engines": {
+    "node": ">=20.9.0"
+  },
   "homepage": "https://rushjs.io",
   "main": "./lib-commonjs/index.js",
   "module": "./lib-esm/index.js",
diff --git a/rush-plugins/rush-published-versions-json-plugin/package.json b/rush-plugins/rush-published-versions-json-plugin/package.json
index 3f90fa0c179..61fac50dfa3 100644
--- a/rush-plugins/rush-published-versions-json-plugin/package.json
+++ b/rush-plugins/rush-published-versions-json-plugin/package.json
@@ -8,6 +8,9 @@
     "type": "git",
     "directory": "rush-plugins/rush-published-versions-json-plugin"
   },
+  "engines": {
+    "node": ">=20.9.0"
+  },
   "scripts": {
     "build": "heft test --clean",
     "_phase:build": "heft run --only build -- --clean"
diff --git a/rush-plugins/rush-redis-cobuild-plugin/package.json b/rush-plugins/rush-redis-cobuild-plugin/package.json
index bfb97b5b291..6870c959362 100644
--- a/rush-plugins/rush-redis-cobuild-plugin/package.json
+++ b/rush-plugins/rush-redis-cobuild-plugin/package.json
@@ -7,6 +7,9 @@
     "url": "https://github.com/microsoft/rushstack",
     "directory": "rush-plugins/rush-redis-cobuild-plugin"
   },
+  "engines": {
+    "node": ">=20.9.0"
+  },
   "homepage": "https://rushjs.io",
   "main": "./lib-commonjs/index.js",
   "module": "./lib-esm/index.js",
diff --git a/rush-plugins/rush-resolver-cache-plugin/package.json b/rush-plugins/rush-resolver-cache-plugin/package.json
index a370be7831a..6fe1b367520 100644
--- a/rush-plugins/rush-resolver-cache-plugin/package.json
+++ b/rush-plugins/rush-resolver-cache-plugin/package.json
@@ -8,6 +8,9 @@
     "type": "git",
     "directory": "rush-plugins/rush-resolver-cache-plugin"
   },
+  "engines": {
+    "node": ">=20.9.0"
+  },
   "main": "./lib-commonjs/index.js",
   "module": "./lib-esm/index.js",
   "types": "./dist/rush-resolver-cache-plugin.d.ts",
diff --git a/rush-plugins/rush-serve-plugin/package.json b/rush-plugins/rush-serve-plugin/package.json
index d285eb61d0a..3035020f5e7 100644
--- a/rush-plugins/rush-serve-plugin/package.json
+++ b/rush-plugins/rush-serve-plugin/package.json
@@ -8,6 +8,9 @@
     "type": "git",
     "directory": "rush-plugins/rush-serve-plugin"
   },
+  "engines": {
+    "node": ">=20.9.0"
+  },
   "main": "./lib-commonjs/index.js",
   "module": "./lib-esm/index.js",
   "types": "./dist/index.d.ts",
diff --git a/webpack/hashed-folder-copy-plugin/package.json b/webpack/hashed-folder-copy-plugin/package.json
index 0a35bda8983..ea310a3cfff 100644
--- a/webpack/hashed-folder-copy-plugin/package.json
+++ b/webpack/hashed-folder-copy-plugin/package.json
@@ -42,6 +42,9 @@
     "url": "https://github.com/microsoft/rushstack.git",
     "directory": "webpack/hashed-folder-copy-plugin"
   },
+  "engines": {
+    "node": ">=20.9.0"
+  },
   "scripts": {
     "build": "heft build --clean",
     "_phase:build": "heft run --only build -- --clean",
diff --git a/webpack/loader-load-themed-styles/package.json b/webpack/loader-load-themed-styles/package.json
index 9152c93a1a0..054dd056903 100644
--- a/webpack/loader-load-themed-styles/package.json
+++ b/webpack/loader-load-themed-styles/package.json
@@ -33,6 +33,9 @@
     "url": "https://github.com/microsoft/rushstack.git",
     "directory": "webpack/loader-load-themed-styles"
   },
+  "engines": {
+    "node": ">=20.9.0"
+  },
   "scripts": {
     "build": "heft build --clean",
     "_phase:build": "heft run --only build -- --clean",
diff --git a/webpack/loader-raw-script/package.json b/webpack/loader-raw-script/package.json
index ff8f04ddcd8..b6713587a5d 100644
--- a/webpack/loader-raw-script/package.json
+++ b/webpack/loader-raw-script/package.json
@@ -33,6 +33,9 @@
     "url": "https://github.com/microsoft/rushstack.git",
     "directory": "webpack/loader-raw-script"
   },
+  "engines": {
+    "node": ">=20.9.0"
+  },
   "scripts": {
     "build": "heft build --clean",
     "_phase:build": "heft run --only build -- --clean",
diff --git a/webpack/preserve-dynamic-require-plugin/package.json b/webpack/preserve-dynamic-require-plugin/package.json
index 99b539acfc7..30739d80ece 100644
--- a/webpack/preserve-dynamic-require-plugin/package.json
+++ b/webpack/preserve-dynamic-require-plugin/package.json
@@ -34,7 +34,7 @@
     "directory": "webpack/preserve-dynamic-require-plugin"
   },
   "engines": {
-    "node": ">=10.17.1"
+    "node": ">=20.9.0"
   },
   "scripts": {
     "build": "heft build --clean",
diff --git a/webpack/set-webpack-public-path-plugin/package.json b/webpack/set-webpack-public-path-plugin/package.json
index 3d2aa427a14..1d5a5f9ce3b 100644
--- a/webpack/set-webpack-public-path-plugin/package.json
+++ b/webpack/set-webpack-public-path-plugin/package.json
@@ -33,6 +33,9 @@
     "url": "https://github.com/microsoft/rushstack.git",
     "directory": "webpack/set-webpack-public-path-plugin"
   },
+  "engines": {
+    "node": ">=20.9.0"
+  },
   "scripts": {
     "build": "heft build --clean",
     "_phase:build": "heft run --only build -- --clean"
diff --git a/webpack/webpack-embedded-dependencies-plugin/package.json b/webpack/webpack-embedded-dependencies-plugin/package.json
index 631b52076a1..387e70befab 100644
--- a/webpack/webpack-embedded-dependencies-plugin/package.json
+++ b/webpack/webpack-embedded-dependencies-plugin/package.json
@@ -33,6 +33,9 @@
     "url": "https://github.com/microsoft/rushstack.git",
     "directory": "webpack/webpack-embedded-dependencies-plugin"
   },
+  "engines": {
+    "node": ">=20.9.0"
+  },
   "scripts": {
     "build": "heft build --clean",
     "test": "heft run --only test",
diff --git a/webpack/webpack-plugin-utilities/package.json b/webpack/webpack-plugin-utilities/package.json
index 3c00d57a839..1c50357d6f3 100644
--- a/webpack/webpack-plugin-utilities/package.json
+++ b/webpack/webpack-plugin-utilities/package.json
@@ -33,6 +33,9 @@
     "url": "https://github.com/microsoft/rushstack.git",
     "directory": "webpack/webpack-plugin-utilities"
   },
+  "engines": {
+    "node": ">=20.9.0"
+  },
   "scripts": {
     "build": "heft build --clean",
     "test": "heft run --only test",
diff --git a/webpack/webpack-workspace-resolve-plugin/package.json b/webpack/webpack-workspace-resolve-plugin/package.json
index 1d09b3e1ae1..9268a455205 100644
--- a/webpack/webpack-workspace-resolve-plugin/package.json
+++ b/webpack/webpack-workspace-resolve-plugin/package.json
@@ -34,7 +34,7 @@
     "directory": "webpack/webpack-workspace-resolve-plugin"
   },
   "engines": {
-    "node": ">=18.19.0"
+    "node": ">=20.9.0"
   },
   "scripts": {
     "build": "heft build --clean",
diff --git a/webpack/webpack4-localization-plugin/package.json b/webpack/webpack4-localization-plugin/package.json
index 3e8be1557c8..b4f515c7afe 100644
--- a/webpack/webpack4-localization-plugin/package.json
+++ b/webpack/webpack4-localization-plugin/package.json
@@ -33,6 +33,9 @@
     "url": "https://github.com/microsoft/rushstack.git",
     "directory": "webpack/webpack4-localization-plugin"
   },
+  "engines": {
+    "node": ">=20.9.0"
+  },
   "scripts": {
     "build": "heft build --clean",
     "_phase:build": "heft run --only build -- --clean"
diff --git a/webpack/webpack4-module-minifier-plugin/package.json b/webpack/webpack4-module-minifier-plugin/package.json
index de67224a882..6b0d1322b07 100644
--- a/webpack/webpack4-module-minifier-plugin/package.json
+++ b/webpack/webpack4-module-minifier-plugin/package.json
@@ -34,7 +34,7 @@
     "directory": "webpack/webpack4-module-minifier-plugin"
   },
   "engines": {
-    "node": ">=10.17.1"
+    "node": ">=20.9.0"
   },
   "scripts": {
     "build": "heft build --clean",
diff --git a/webpack/webpack5-load-themed-styles-loader/package.json b/webpack/webpack5-load-themed-styles-loader/package.json
index a58e3f24e84..eb50030bdb8 100644
--- a/webpack/webpack5-load-themed-styles-loader/package.json
+++ b/webpack/webpack5-load-themed-styles-loader/package.json
@@ -33,6 +33,9 @@
     "url": "https://github.com/microsoft/rushstack.git",
     "directory": "webpack/webpack5-loader-load-themed-styles"
   },
+  "engines": {
+    "node": ">=20.9.0"
+  },
   "scripts": {
     "build": "heft build --clean",
     "_phase:build": "heft run --only build -- --clean",
diff --git a/webpack/webpack5-localization-plugin/package.json b/webpack/webpack5-localization-plugin/package.json
index ec107a325ad..a3905456443 100644
--- a/webpack/webpack5-localization-plugin/package.json
+++ b/webpack/webpack5-localization-plugin/package.json
@@ -33,6 +33,9 @@
     "url": "https://github.com/microsoft/rushstack.git",
     "directory": "webpack/webpack5-localization-plugin"
   },
+  "engines": {
+    "node": ">=20.9.0"
+  },
   "scripts": {
     "build": "heft build --clean",
     "_phase:build": "heft run --only build -- --clean",
diff --git a/webpack/webpack5-module-minifier-plugin/package.json b/webpack/webpack5-module-minifier-plugin/package.json
index 61b3b8a2e4e..d7bbae9d45d 100644
--- a/webpack/webpack5-module-minifier-plugin/package.json
+++ b/webpack/webpack5-module-minifier-plugin/package.json
@@ -34,7 +34,7 @@
     "directory": "webpack/webpack5-module-minifier-plugin"
   },
   "engines": {
-    "node": ">=14.19.0"
+    "node": ">=20.9.0"
   },
   "scripts": {
     "build": "heft build --clean",