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vstinner merged 9 commits into from
Jul 6, 2026
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gh-152785: Upgrade Ubuntu from 24.04 to 26.04 in GitHub Actions #152717

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26888b8
gh-152785: [WIP] Upgrade Ubuntu from 24.04 to 26.04 in GitHub Actions
vstinner Jul 3, 2026
38d60de
[HACK] Touch C code to trigger GHA jobs
vstinner Jul 3, 2026
1501350
Use Ubuntu 26.04 package for libmpdec-dev
vstinner Jul 3, 2026
5f379bd
Replace ubuntu-latest with ubuntu-26.04
vstinner Jul 3, 2026
e6e0953
No longer run https://apt.llvm.org/llvm.sh
vstinner Jul 3, 2026
49d05f2
Apply suggestions from code review
vstinner Jul 3, 2026
a24c44c
Replace ubuntu-26.04 with ubuntu-slim
vstinner Jul 3, 2026
f247d9c
Use ubuntu-26.04 for Doctest and Cross build Linux
vstinner Jul 5, 2026
f0431b7
Revert "[HACK] Touch C code to trigger GHA jobs"
vstinner Jul 5, 2026
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gh-152785: [WIP] Upgrade Ubuntu from 24.04 to 26.04 in GitHub Actions 
Update .github/actionlint.yaml to allow ubuntu-26.04 and
ubuntu-26.04-arm images.
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@vstinner
vstinner committed Jul 3, 2026
commit 26888b851eedcba05bf77ab45b96607f8b954b7a
7 changes: 7 additions & 0 deletions .github/actionlint.yaml
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@@ -1,5 +1,12 @@
config-variables: null

# Pending release of actionlint > 1.7.12 for ubuntu-26.04* support:
# https://github.com/rhysd/actionlint/pull/683
self-hosted-runner:
labels:
- ubuntu-26.04
- ubuntu-26.04-arm

paths:
.github/workflows/**/*.yml:
ignore:
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20 changes: 10 additions & 10 deletions .github/workflows/build.yml
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Expand Up @@ -53,7 +53,7 @@ jobs:
name: 'Check if Autoconf files are up to date'
# Don't use ubuntu-latest but a specific version to make the job
# reproducible: to get the same tools versions (autoconf, aclocal, ...)
runs-on: ubuntu-24.04
runs-on: ubuntu-26.04
container:
image: ghcr.io/python/autoconf:2025.01.02.12581854023
timeout-minutes: 60
Expand Down Expand Up @@ -96,7 +96,7 @@ jobs:
name: 'Check if generated files are up to date'
# Don't use ubuntu-latest but a specific version to make the job
# reproducible: to get the same tools versions (autoconf, aclocal, ...)
runs-on: ubuntu-24.04
runs-on: ubuntu-26.04
timeout-minutes: 60
needs: build-context
if: needs.build-context.outputs.run-tests == 'true'
Expand Down Expand Up @@ -239,18 +239,18 @@ jobs:
- false
- true
os:
- ubuntu-24.04
- ubuntu-24.04-arm
- ubuntu-26.04
- ubuntu-26.04-arm
exclude:
# Do not test BOLT with free-threading, to conserve resources
- bolt: true
free-threading: true
# BOLT currently crashes during instrumentation on aarch64
- os: ubuntu-24.04-arm
- os: ubuntu-26.04-arm
bolt: true
include:
# Enable CPU-intensive tests on ARM (default build only)
- os: ubuntu-24.04-arm
- os: ubuntu-26.04-arm
bolt: false
free-threading: false
test-opts: '-u cpu'
Expand All @@ -270,7 +270,7 @@ jobs:
strategy:
fail-fast: false
matrix:
os: [ubuntu-24.04]
os: [ubuntu-26.04]
ssllib:
# See Tools/ssl/make_ssl_data.py for notes on adding a new version
## OpenSSL
Expand Down Expand Up @@ -346,7 +346,7 @@ jobs:
- arch: aarch64
runs-on: macos-26
- arch: x86_64
runs-on: ubuntu-24.04
runs-on: ubuntu-26.04

runs-on: ${{ matrix.runs-on }}
steps:
Expand Down Expand Up @@ -393,7 +393,7 @@ jobs:

test-hypothesis:
name: "Hypothesis tests on Ubuntu"
runs-on: ubuntu-24.04
runs-on: ubuntu-26.04
timeout-minutes: 60
needs: build-context
if: needs.build-context.outputs.run-ubuntu == 'true'
Expand Down Expand Up @@ -504,7 +504,7 @@ jobs:
strategy:
fail-fast: false
matrix:
os: [ubuntu-24.04]
os: [ubuntu-26.04]
env:
OPENSSL_VER: 3.5.7
PYTHONSTRICTEXTENSIONBUILD: 1
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8 changes: 4 additions & 4 deletions .github/workflows/jit.yml
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Expand Up @@ -29,7 +29,7 @@ env:
jobs:
interpreter:
name: Interpreter (Debug)
runs-on: ubuntu-24.04
runs-on: ubuntu-26.04
timeout-minutes: 60
steps:
- uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
Expand Down Expand Up @@ -145,9 +145,9 @@ jobs:
- false
include:
- target: x86_64-unknown-linux-gnu/gcc
runner: ubuntu-24.04
runner: ubuntu-26.04
- target: aarch64-unknown-linux-gnu/gcc
runner: ubuntu-24.04-arm
runner: ubuntu-26.04-arm
steps:
- uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
with:
Expand All @@ -171,7 +171,7 @@ jobs:
linux-extras:
name: ${{ matrix.name }}

runs-on: ubuntu-24.04
runs-on: ubuntu-26.04
timeout-minutes: 60
strategy:
fail-fast: false
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3 changes: 1 addition & 2 deletions .github/workflows/posix-deps-apt.sh
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Expand Up @@ -5,6 +5,7 @@ apt-get -yq --no-install-recommends install \
build-essential \
pkg-config \
cmake \
curl \
gdb \
lcov \
libb2-dev \
Expand All @@ -18,8 +19,6 @@ apt-get -yq --no-install-recommends install \
libsqlite3-dev \
libssl-dev \
libzstd-dev \
lzma \
lzma-dev \
strace \
tk-dev \
uuid-dev \
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2 changes: 1 addition & 1 deletion .github/workflows/reusable-docs.yml
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Expand Up @@ -95,7 +95,7 @@ jobs:
# Run "doctest" on HEAD as new syntax doesn't exist in the latest stable release
doctest:
name: 'Doctest'
runs-on: ubuntu-24.04
runs-on: ubuntu-26.04
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timeout-minutes: 60
steps:
- uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
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2 changes: 1 addition & 1 deletion .github/workflows/reusable-emscripten.yml
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Expand Up @@ -12,7 +12,7 @@ env:
jobs:
build-emscripten-reusable:
name: 'build and test'
runs-on: ubuntu-24.04
runs-on: ubuntu-26.04
timeout-minutes: 40
steps:
- uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
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2 changes: 1 addition & 1 deletion .github/workflows/reusable-san.yml
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Expand Up @@ -26,7 +26,7 @@ jobs:
&& ' (free-threading)'
|| ''
}}
runs-on: ubuntu-24.04
runs-on: ubuntu-26.04
timeout-minutes: 60
steps:
- uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
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2 changes: 1 addition & 1 deletion .github/workflows/reusable-wasi.yml
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Expand Up @@ -12,7 +12,7 @@ env:
jobs:
build-wasi-reusable:
name: 'build and test'
runs-on: ubuntu-24.04-arm
runs-on: ubuntu-26.04-arm
timeout-minutes: 60
env:
WASMTIME_VERSION: 38.0.3
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6 changes: 3 additions & 3 deletions .github/workflows/tail-call.yml
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Expand Up @@ -66,13 +66,13 @@ jobs:
matrix:
include:
- target: x86_64-unknown-linux-gnu/gcc
runner: ubuntu-24.04
runner: ubuntu-26.04
configure_flags: --with-pydebug
- target: x86_64-unknown-linux-gnu/gcc-free-threading
runner: ubuntu-24.04
runner: ubuntu-26.04
configure_flags: --disable-gil
- target: aarch64-unknown-linux-gnu/gcc
runner: ubuntu-24.04-arm
runner: ubuntu-26.04-arm
configure_flags: --with-pydebug
steps:
- uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
Expand Down
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