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Drop Python 3.8 support #1592

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Drop Python 3.8 support

Drop Python 3.8 support #1592

Triggered via pull request June 25, 2026 14:58
@T4rk1nT4rk1n
opened #3845
drop-py-3.8
Status Success
Total duration 13m 42s
Artifacts 8

testing.yml

on: pull_request
Build Dash Package
3m 3s
Build Dash Package
Detect Relevant Path Changes
5s
Detect Relevant Path Changes
Build on Windows
5m 9s
Build on Windows
Matrix: test-main
Matrix: lint-unit
Typing Tests
3m 51s
Typing Tests
Matrix: dcc-test
Matrix: html-test
Matrix: background-callbacks
Matrix: table-server
Dash Table Visual Tests
Dash Table Visual Tests
Matrix: backend-tests
Matrix: dcc-lint
Matrix: table-unit
Matrix: websocket-tests
Finalize Percy Snapshots
20s
Finalize Percy Snapshots
Consolidated Test Report
10s
Consolidated Test Report
Store Build Artifacts
0s
Store Build Artifacts
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Annotations

19 warnings
Detect Relevant Path Changes
Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@v4, dorny/paths-filter@v3. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/
Build Dash Package
Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@v4, actions/setup-node@v4, actions/setup-python@v5, actions/upload-artifact@v4. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/
Build on Windows
Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@v4, actions/setup-node@v4, actions/setup-python@v5. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/
Lint & Unit Tests (Python 3.9)
Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@v4, actions/download-artifact@v4, actions/setup-node@v4, actions/setup-python@v5. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/
Lint & Unit Tests (Python 3.9): dash/dash-renderer/src/utils/workerClient.ts#L223
Forbidden non-null assertion
Lint & Unit Tests (Python 3.9): dash/dash-renderer/src/observers/websocketObserver.ts#L241
Forbidden non-null assertion
Lint & Unit Tests (Python 3.9): dash/dash-renderer/src/observers/websocketObserver.ts#L239
Forbidden non-null assertion
Lint & Unit Tests (Python 3.12)
Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@v4, actions/download-artifact@v4, actions/setup-node@v4, actions/setup-python@v5. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/
Lint & Unit Tests (Python 3.12): dash/dash-renderer/src/utils/workerClient.ts#L223
Forbidden non-null assertion
Lint & Unit Tests (Python 3.12): dash/dash-renderer/src/observers/websocketObserver.ts#L241
Forbidden non-null assertion
Lint & Unit Tests (Python 3.12): dash/dash-renderer/src/observers/websocketObserver.ts#L239
Forbidden non-null assertion
Typing Tests
Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@v4, actions/download-artifact@v4, actions/setup-node@v4, actions/setup-python@v5. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/
Main Dash Tests (Python 3.9, Group 3)
Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@v4, actions/download-artifact@v4, actions/setup-node@v4, actions/setup-python@v5, actions/upload-artifact@v4, browser-actions/setup-chrome@v1. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/
Main Dash Tests (Python 3.9, Group 1)
Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@v4, actions/download-artifact@v4, actions/setup-node@v4, actions/setup-python@v5, actions/upload-artifact@v4, browser-actions/setup-chrome@v1. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/
Main Dash Tests (Python 3.12, Group 3)
Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@v4, actions/download-artifact@v4, actions/setup-node@v4, actions/setup-python@v5, actions/upload-artifact@v4, browser-actions/setup-chrome@v1. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/
Main Dash Tests (Python 3.12, Group 1)
Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@v4, actions/download-artifact@v4, actions/setup-node@v4, actions/setup-python@v5, actions/upload-artifact@v4, browser-actions/setup-chrome@v1. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/
Main Dash Tests (Python 3.9, Group 2)
Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@v4, actions/download-artifact@v4, actions/setup-node@v4, actions/setup-python@v5, actions/upload-artifact@v4, browser-actions/setup-chrome@v1. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/
Main Dash Tests (Python 3.12, Group 2)
Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@v4, actions/download-artifact@v4, actions/setup-node@v4, actions/setup-python@v5, actions/upload-artifact@v4, browser-actions/setup-chrome@v1. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/
Consolidated Test Report
Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@v4, actions/download-artifact@v4, dorny/test-reporter@v1. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/

Artifacts

Produced during runtime
Name Size Digest
dash-components
4.34 MB
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dash-packages
6.64 MB
sha256:18d120eda4fd9661cbddb6b8f300d655447af70144fc8efded7eed84aef4fd1c
test-main-results-py3.12-group1
3.84 KB
sha256:5e8f4c40bd0c38be3a1ec759dc7e57ea5a64d9723ebe6b6cf7b99373c055711a
test-main-results-py3.12-group2
3.89 KB
sha256:d6d0cb4b1f4addda7b9a3f4207b399fa94d56a257f0c03bd9f71b20a70cb9d3e
test-main-results-py3.12-group3
2.74 KB
sha256:894acbeb8ba66129548fa81b5072bed644ba16737c0cc95cd346856be9f3cec0
test-main-results-py3.9-group1
3.21 KB
sha256:c03d69dbc0a430bbaf9076f80a4cf1dd940be38877f8d410f0c4171e9f4a6f6b
test-main-results-py3.9-group2
3.14 KB
sha256:5d185190bdebb3cf37027e9a6421fedff348539955bb740a9234a093a4f278c4
test-main-results-py3.9-group3
2.55 KB
sha256:fdb7b0039303f794f601554716508f33dd34de275cf04e4151d7e48a233055ab