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feat: use fast-webstreams for server rendering #89686

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feat: use fast-webstreams for server rendering #89686

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11cc7f2
feat: use fast-webstreams for server rendering
feedthejim Feb 8, 2026
6fae0c5
fix: add type declaration for fast-webstreams vendored module
feedthejim Feb 8, 2026
f7f9809
Upgrade experimental-fast-webstreams
timneutkens Feb 23, 2026
4a72d43
Run with bugfix
timneutkens Feb 23, 2026
6e32119
Use Node.js 20.20.0
timneutkens Feb 23, 2026
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2 changes: 1 addition & 1 deletion .github/actions/next-integration-stat/package.json
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Expand Up @@ -21,7 +21,7 @@
"strip-ansi": "^7.0.1"
},
"engines": {
"node": ">=20.9.0"
"node": ">=20.20.0"
},
"packageManager": "pnpm@9.6.0"
}
2 changes: 1 addition & 1 deletion .github/actions/next-stats-action/Dockerfile
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Expand Up @@ -11,7 +11,7 @@ RUN apt install unzip wget curl nano htop screen build-essential pkg-config libs

RUN ln $(which python3) /usr/bin/python

RUN curl -sfLS https://install-node.vercel.app/v20.9.0 | bash -s -- -f
RUN curl -sfLS https://install-node.vercel.app/v20.20.0 | bash -s -- -f
RUN npm i -g corepack@0.31
RUN corepack enable

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2 changes: 1 addition & 1 deletion .github/actions/next-stats-action/package.json
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Expand Up @@ -19,7 +19,7 @@
"typescript": "5.1.6"
},
"engines": {
"node": ">=20.9.0"
"node": ">=20.20.0"
},
"packageManager": "pnpm@9.6.0"
}
2 changes: 1 addition & 1 deletion .github/actions/upload-turboyet-data/package.json
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Expand Up @@ -12,7 +12,7 @@
"@vercel/ncc": "^0.36.0"
},
"engines": {
"node": ">=20.9.0"
"node": ">=20.20.0"
},
"packageManager": "pnpm@9.6.0"
}
16 changes: 8 additions & 8 deletions .github/workflows/build_and_test.yml
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Expand Up @@ -295,7 +295,7 @@ jobs:
react: ['']
uses: ./.github/workflows/build_reusable.yml
with:
nodeVersion: 20.9.0
nodeVersion: 20.20.0
afterBuild: |
export IS_TURBOPACK_TEST=1
export NEXT_TEST_REACT_VERSION="${{ matrix.react }}"
Expand Down Expand Up @@ -325,7 +325,7 @@ jobs:
react: ['', '18.3.1']
uses: ./.github/workflows/build_reusable.yml
with:
nodeVersion: 20.9.0
nodeVersion: 20.20.0
afterBuild: |
export IS_TURBOPACK_TEST=1
export TURBOPACK_BUILD=1
Expand Down Expand Up @@ -390,7 +390,7 @@ jobs:
react: ['']
uses: ./.github/workflows/build_reusable.yml
with:
nodeVersion: 20.9.0
nodeVersion: 20.20.0
afterBuild: |
export NEXT_EXTERNAL_TESTS_FILTERS="$(pwd)/test/rspack-dev-tests-manifest.json"
export NEXT_TEST_REACT_VERSION="${{ matrix.react }}"
Expand Down Expand Up @@ -426,7 +426,7 @@ jobs:
react: ['', '18.3.1']
uses: ./.github/workflows/build_reusable.yml
with:
nodeVersion: 20.9.0
nodeVersion: 20.20.0
afterBuild: |
export NEXT_EXTERNAL_TESTS_FILTERS="$(pwd)/test/rspack-build-tests-manifest.json"
export NEXT_TEST_MODE=start
Expand Down Expand Up @@ -461,7 +461,7 @@ jobs:
react: ['']
uses: ./.github/workflows/build_reusable.yml
with:
nodeVersion: 20.9.0
nodeVersion: 20.20.0
afterBuild: |
export NEXT_EXTERNAL_TESTS_FILTERS="$(pwd)/test/rspack-build-tests-manifest.json"
export NEXT_TEST_REACT_VERSION="${{ matrix.react }}"
Expand Down Expand Up @@ -791,7 +791,7 @@ jobs:

uses: ./.github/workflows/build_reusable.yml
with:
nodeVersion: 20.9.0
nodeVersion: 20.20.0
afterBuild: |
export IS_WEBPACK_TEST=1
export __NEXT_EXPERIMENTAL_STRICT_ROUTE_TYPES=true
Expand Down Expand Up @@ -893,7 +893,7 @@ jobs:
react: ['']
uses: ./.github/workflows/build_reusable.yml
with:
nodeVersion: 20.9.0
nodeVersion: 20.20.0
afterBuild: |
export IS_WEBPACK_TEST=1
export NEXT_TEST_REACT_VERSION="${{ matrix.react }}"
Expand Down Expand Up @@ -944,7 +944,7 @@ jobs:

uses: ./.github/workflows/build_reusable.yml
with:
nodeVersion: 20.9.0
nodeVersion: 20.20.0
afterBuild: |
export __NEXT_CACHE_COMPONENTS=true
export __NEXT_EXPERIMENTAL_APP_NEW_SCROLL_HANDLER=true
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2 changes: 1 addition & 1 deletion .github/workflows/build_reusable.yml
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Expand Up @@ -88,7 +88,7 @@ on:
env:
NAPI_CLI_VERSION: 2.18.4
TURBO_VERSION: 2.8.9
NODE_LTS_VERSION: 20.9.0
NODE_LTS_VERSION: 20.20.0
# run-tests.js reads `TEST_CONCURRENCY` if no explicit `--concurrency` or `-c`
# argument is provided
TEST_CONCURRENCY: 8
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2 changes: 1 addition & 1 deletion .github/workflows/integration_tests_reusable.yml
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Expand Up @@ -119,7 +119,7 @@ jobs:
group: ${{ fromJSON(needs.generate-matrices.outputs.integration) }}
uses: ./.github/workflows/build_reusable.yml
with:
nodeVersion: 20.9.0
nodeVersion: 20.20.0
afterBuild: |
# legacy integration tests with `node run-tests.js`

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3 changes: 2 additions & 1 deletion package.json
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Expand Up @@ -206,6 +206,7 @@
"execa": "2.0.3",
"expect": "29.7.0",
"expect-type": "0.14.2",
"experimental-fast-webstreams": "0.0.18",
"express": "4.17.0",
"faker": "5.5.3",
"faunadb": "2.6.1",
Expand Down Expand Up @@ -308,7 +309,7 @@
"yargs": "16.2.0"
},
"engines": {
"node": ">=20.9.0",
"node": ">=20.20.0",
"pnpm": "9.6.0"
},
"packageManager": "pnpm@9.6.0",
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2 changes: 1 addition & 1 deletion packages/create-next-app/package.json
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Expand Up @@ -48,6 +48,6 @@
"validate-npm-package-name": "5.0.1"
},
"engines": {
"node": ">=20.9.0"
"node": ">=20.20.0"
}
}
2 changes: 1 addition & 1 deletion packages/next/package.json
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Expand Up @@ -366,6 +366,6 @@
"vercel"
],
"engines": {
"node": ">=20.9.0"
"node": ">=20.20.0"
}
}
1 change: 1 addition & 0 deletions packages/next/src/compiled/experimental-fast-webstreams/package.json
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@@ -0,0 +1 @@
{"name":"experimental-fast-webstreams","main":"patch.js","license":"ISC"}
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