Merge tag '9.7.beta3' into public/scalar_elliptic_curve_endomorphisms

SageMath version 9.7.beta3, Release Date: 2022-06-19

.github/workflows/build.yml

@@ -29,11 +29,13 @@ jobs:
 
       - name: Prepare
         run: |
+          # Install test tools.
+          # Installation of python3-venv can be removed as soon as a
+          # base image with a release including #33822 is available
+          apt-get install -y git python3-venv
           # Reuse built SAGE_LOCAL contained in the Docker image 
           ./bootstrap
           ./configure --enable-build-as-root --prefix=/sage/local --with-sage-venv --enable-editable --enable-download-from-upstream-url
-          # Install test tools
-          apt-get install -y git
       
       - name: Static code check with pyright
         run: pyright    
@@ -44,6 +46,16 @@ jobs:
           MAKE: make -j2
           SAGE_NUM_THREADS: 2
 
+      - name: Pytest
+        if: contains(github.ref, 'pytest')
+        run: |
+          ../sage -python -m pip install coverage pytest-xdist
+          ../sage -python -m coverage run -m pytest -c tox.ini --doctest-modules || true
+        working-directory: ./src
+        env:
+          # Increase the length of the lines in the "short summary"
+          COLUMNS: 120
+
       - name: Test
         run: |
           ../sage -python -m pip install coverage

.github/workflows/ci-conda.yml

@@ -43,15 +43,8 @@ jobs:
           bash ~/miniconda.sh -b -p $HOME/miniconda
           echo "CONDA=$HOME/miniconda" >> $GITHUB_ENV
 
-      - name: Install bootstrap prerequisites
-        run: |
-          export PATH="$(pwd)/build/bin:$PATH"
-          SYSTEM=$(sage-guess-package-system)
-          eval $(sage-print-system-package-command $SYSTEM --sudo install $(sage-get-system-packages $SYSTEM _bootstrap))
-
-      # Create conda environment file
-      - name: Bootstrap
-        run: ./bootstrap
+      - name: Create conda environment files
+        run: ./bootstrap-conda
 
       - name: Cache conda packages
         uses: actions/cache@v2
@@ -80,6 +73,7 @@ jobs:
         shell: bash -l {0}
         continue-on-error: true
         run: |
+          ./bootstrap
           echo "::add-matcher::.github/workflows/configure-systempackage-problem-matcher.json"
           ./configure --enable-build-as-root --with-python=$CONDA_PREFIX/bin/python --prefix=$CONDA_PREFIX $(for pkg in $(./sage -package list :standard: --has-file spkg-configure.m4 --has-file distros/conda.txt); do echo --with-system-$pkg=force; done)
           echo "::remove-matcher owner=configure-system-package-warning::"
@@ -88,8 +82,8 @@ jobs:
       - name: Build
         shell: bash -l {0}
         run: |
-          pip install --no-build-isolation -v -v -e pkgs/sage-conf pkgs/sage-setup 
-          pip install --no-build-isolation -v -v -e src
+          pip install --no-build-isolation -v -v -e ./pkgs/sage-conf ./pkgs/sage-setup
+          pip install --no-build-isolation -v -v -e ./src
         env:
           SAGE_NUM_THREADS: 2
 

.github/workflows/ci-cygwin-minimal.yml

@@ -48,7 +48,7 @@ jobs:
     - name: tox
       run: |
         C:\\tools\\cygwin\\bin\\bash -l -x -c 'cat /proc/cpuinfo'
-        C:\\tools\\cygwin\\bin\\bash -l -x -c 'python3.8 -m pip install tox'
+        C:\\tools\\cygwin\\bin\\bash -l -x -c 'python3.9 -m pip install tox'
         C:\\tools\\cygwin\\bin\\bash -l -x -c 'cd $(cygpath -u "$GITHUB_WORKSPACE") && PREFIX="${{ env.SAGE_LOCAL }}" tox -e local-cygwin-choco-${{ matrix.pkgs }} -- $TARGETS'
     - name: Prepare logs artifact
       shell: bash
@@ -108,7 +108,7 @@ jobs:
     - name: tox
       run: |
         C:\\tools\\cygwin\\bin\\bash -l -x -c 'cat /proc/cpuinfo'
-        C:\\tools\\cygwin\\bin\\bash -l -x -c 'python3.8 -m pip install tox'
+        C:\\tools\\cygwin\\bin\\bash -l -x -c 'python3.9 -m pip install tox'
         C:\\tools\\cygwin\\bin\\bash -l -x -c 'cd $(cygpath -u "$GITHUB_WORKSPACE") && PREFIX="${{ env.SAGE_LOCAL }}" tox -e local-cygwin-choco-${{ matrix.pkgs }} -- $TARGETS'
     - name: Prepare logs artifact
       shell: bash
@@ -180,7 +180,7 @@ jobs:
     - name: tox
       run: |
         C:\\tools\\cygwin\\bin\\bash -l -x -c 'cat /proc/cpuinfo'
-        C:\\tools\\cygwin\\bin\\bash -l -x -c 'python3.8 -m pip install tox'
+        C:\\tools\\cygwin\\bin\\bash -l -x -c 'python3.9 -m pip install tox'
         C:\\tools\\cygwin\\bin\\bash -l -x -c 'cd $(cygpath -u "$GITHUB_WORKSPACE") && PREFIX="${{ env.SAGE_LOCAL }}" tox -e local-cygwin-choco-${{ matrix.pkgs }} -- $TARGETS'
     - name: Prepare logs artifact
       shell: bash
@@ -250,7 +250,7 @@ jobs:
     - name: tox
       run: |
         C:\\tools\\cygwin\\bin\\bash -l -x -c 'cat /proc/cpuinfo'
-        C:\\tools\\cygwin\\bin\\bash -l -x -c 'python3.8 -m pip install tox'
+        C:\\tools\\cygwin\\bin\\bash -l -x -c 'python3.9 -m pip install tox'
         C:\\tools\\cygwin\\bin\\bash -l -x -c 'cd $(cygpath -u "$GITHUB_WORKSPACE") && PREFIX="${{ env.SAGE_LOCAL }}" tox -e local-cygwin-choco-${{ matrix.pkgs }} -- $TARGETS'
     - name: Prepare logs artifact
       shell: bash
@@ -318,7 +318,7 @@ jobs:
     - name: tox
       run: |
         C:\\tools\\cygwin\\bin\\bash -l -x -c 'cat /proc/cpuinfo'
-        C:\\tools\\cygwin\\bin\\bash -l -x -c 'python3.8 -m pip install tox'
+        C:\\tools\\cygwin\\bin\\bash -l -x -c 'python3.9 -m pip install tox'
         C:\\tools\\cygwin\\bin\\bash -l -x -c 'cd $(cygpath -u "$GITHUB_WORKSPACE") && PREFIX="${{ env.SAGE_LOCAL }}" tox -e local-cygwin-choco-${{ matrix.pkgs }} -- $TARGETS'
     - name: Prepare logs artifact
       shell: bash
@@ -386,7 +386,7 @@ jobs:
     - name: tox
       run: |
         C:\\tools\\cygwin\\bin\\bash -l -x -c 'cat /proc/cpuinfo'
-        C:\\tools\\cygwin\\bin\\bash -l -x -c 'python3.8 -m pip install tox'
+        C:\\tools\\cygwin\\bin\\bash -l -x -c 'python3.9 -m pip install tox'
         C:\\tools\\cygwin\\bin\\bash -l -x -c 'cd $(cygpath -u "$GITHUB_WORKSPACE") && PREFIX="${{ env.SAGE_LOCAL }}" tox -e local-cygwin-choco-${{ matrix.pkgs }} -- $TARGETS'
     - name: Prepare logs artifact
       shell: bash
@@ -454,7 +454,7 @@ jobs:
     - name: tox
       run: |
         C:\\tools\\cygwin\\bin\\bash -l -x -c 'cat /proc/cpuinfo'
-        C:\\tools\\cygwin\\bin\\bash -l -x -c 'python3.8 -m pip install tox'
+        C:\\tools\\cygwin\\bin\\bash -l -x -c 'python3.9 -m pip install tox'
         C:\\tools\\cygwin\\bin\\bash -l -x -c 'cd $(cygpath -u "$GITHUB_WORKSPACE") && PREFIX="${{ env.SAGE_LOCAL }}" tox -e local-cygwin-choco-${{ matrix.pkgs }} -- $TARGETS'
     - name: Prepare logs artifact
       shell: bash
@@ -526,7 +526,7 @@ jobs:
     - name: tox
       run: |
         C:\\tools\\cygwin\\bin\\bash -l -x -c 'cat /proc/cpuinfo'
-        C:\\tools\\cygwin\\bin\\bash -l -x -c 'python3.8 -m pip install tox'
+        C:\\tools\\cygwin\\bin\\bash -l -x -c 'python3.9 -m pip install tox'
         C:\\tools\\cygwin\\bin\\bash -l -x -c 'cd $(cygpath -u "$GITHUB_WORKSPACE") && PREFIX="${{ env.SAGE_LOCAL }}" tox -e local-cygwin-choco-${{ matrix.pkgs }} -- $TARGETS'
     - name: Prepare logs artifact
       shell: bash
@@ -598,7 +598,7 @@ jobs:
     - name: tox
       run: |
         C:\\tools\\cygwin\\bin\\bash -l -x -c 'cat /proc/cpuinfo'
-        C:\\tools\\cygwin\\bin\\bash -l -x -c 'python3.8 -m pip install tox'
+        C:\\tools\\cygwin\\bin\\bash -l -x -c 'python3.9 -m pip install tox'
         C:\\tools\\cygwin\\bin\\bash -l -x -c 'cd $(cygpath -u "$GITHUB_WORKSPACE") && PREFIX="${{ env.SAGE_LOCAL }}" tox -e local-cygwin-choco-${{ matrix.pkgs }} -- $TARGETS'
     - name: Prepare logs artifact
       shell: bash
@@ -670,7 +670,7 @@ jobs:
     - name: tox
       run: |
         C:\\tools\\cygwin\\bin\\bash -l -x -c 'cat /proc/cpuinfo'
-        C:\\tools\\cygwin\\bin\\bash -l -x -c 'python3.8 -m pip install tox'
+        C:\\tools\\cygwin\\bin\\bash -l -x -c 'python3.9 -m pip install tox'
         C:\\tools\\cygwin\\bin\\bash -l -x -c 'cd $(cygpath -u "$GITHUB_WORKSPACE") && PREFIX="${{ env.SAGE_LOCAL }}" tox -e local-cygwin-choco-${{ matrix.pkgs }} -- $TARGETS'
     - name: Prepare logs artifact
       shell: bash
@@ -740,7 +740,7 @@ jobs:
     - name: tox
       run: |
         C:\\tools\\cygwin\\bin\\bash -l -x -c 'cat /proc/cpuinfo'
-        C:\\tools\\cygwin\\bin\\bash -l -x -c 'python3.8 -m pip install tox'
+        C:\\tools\\cygwin\\bin\\bash -l -x -c 'python3.9 -m pip install tox'
         C:\\tools\\cygwin\\bin\\bash -l -x -c 'cd $(cygpath -u "$GITHUB_WORKSPACE") && PREFIX="${{ env.SAGE_LOCAL }}" tox -e local-cygwin-choco-${{ matrix.pkgs }} -- $TARGETS'
     - name: Prepare logs artifact
       shell: bash
@@ -808,7 +808,7 @@ jobs:
     - name: tox
       run: |
         C:\\tools\\cygwin\\bin\\bash -l -x -c 'cat /proc/cpuinfo'
-        C:\\tools\\cygwin\\bin\\bash -l -x -c 'python3.8 -m pip install tox'
+        C:\\tools\\cygwin\\bin\\bash -l -x -c 'python3.9 -m pip install tox'
         C:\\tools\\cygwin\\bin\\bash -l -x -c 'cd $(cygpath -u "$GITHUB_WORKSPACE") && PREFIX="${{ env.SAGE_LOCAL }}" tox -e local-cygwin-choco-${{ matrix.pkgs }} -- $TARGETS'
     - name: Prepare logs artifact
       shell: bash
@@ -876,7 +876,7 @@ jobs:
     - name: tox
       run: |
         C:\\tools\\cygwin\\bin\\bash -l -x -c 'cat /proc/cpuinfo'
-        C:\\tools\\cygwin\\bin\\bash -l -x -c 'python3.8 -m pip install tox'
+        C:\\tools\\cygwin\\bin\\bash -l -x -c 'python3.9 -m pip install tox'
         C:\\tools\\cygwin\\bin\\bash -l -x -c 'cd $(cygpath -u "$GITHUB_WORKSPACE") && PREFIX="${{ env.SAGE_LOCAL }}" tox -e local-cygwin-choco-${{ matrix.pkgs }} -- $TARGETS'
     - name: Prepare logs artifact
       shell: bash
@@ -944,7 +944,7 @@ jobs:
     - name: tox
       run: |
         C:\\tools\\cygwin\\bin\\bash -l -x -c 'cat /proc/cpuinfo'
-        C:\\tools\\cygwin\\bin\\bash -l -x -c 'python3.8 -m pip install tox'
+        C:\\tools\\cygwin\\bin\\bash -l -x -c 'python3.9 -m pip install tox'
         C:\\tools\\cygwin\\bin\\bash -l -x -c 'cd $(cygpath -u "$GITHUB_WORKSPACE") && PREFIX="${{ env.SAGE_LOCAL }}" tox -e local-cygwin-choco-${{ matrix.pkgs }} -- $TARGETS'
     - name: Prepare logs artifact
       shell: bash
@@ -1012,7 +1012,7 @@ jobs:
     - name: tox
       run: |
         C:\\tools\\cygwin\\bin\\bash -l -x -c 'cat /proc/cpuinfo'
-        C:\\tools\\cygwin\\bin\\bash -l -x -c 'python3.8 -m pip install tox'
+        C:\\tools\\cygwin\\bin\\bash -l -x -c 'python3.9 -m pip install tox'
         C:\\tools\\cygwin\\bin\\bash -l -x -c 'cd $(cygpath -u "$GITHUB_WORKSPACE") && PREFIX="${{ env.SAGE_LOCAL }}" tox -e local-cygwin-choco-${{ matrix.pkgs }} -- $TARGETS'
     - name: Prepare logs artifact
       shell: bash

.github/workflows/ci-cygwin-standard.yml

@@ -48,7 +48,7 @@ jobs:
     - name: tox
       run: |
         C:\\tools\\cygwin\\bin\\bash -l -x -c 'cat /proc/cpuinfo'
-        C:\\tools\\cygwin\\bin\\bash -l -x -c 'python3.8 -m pip install tox'
+        C:\\tools\\cygwin\\bin\\bash -l -x -c 'python3.9 -m pip install tox'
         C:\\tools\\cygwin\\bin\\bash -l -x -c 'cd $(cygpath -u "$GITHUB_WORKSPACE") && PREFIX="${{ env.SAGE_LOCAL }}" tox -e local-cygwin-choco-${{ matrix.pkgs }} -- $TARGETS'
     - name: Prepare logs artifact
       shell: bash
@@ -108,7 +108,7 @@ jobs:
     - name: tox
       run: |
         C:\\tools\\cygwin\\bin\\bash -l -x -c 'cat /proc/cpuinfo'
-        C:\\tools\\cygwin\\bin\\bash -l -x -c 'python3.8 -m pip install tox'
+        C:\\tools\\cygwin\\bin\\bash -l -x -c 'python3.9 -m pip install tox'
         C:\\tools\\cygwin\\bin\\bash -l -x -c 'cd $(cygpath -u "$GITHUB_WORKSPACE") && PREFIX="${{ env.SAGE_LOCAL }}" tox -e local-cygwin-choco-${{ matrix.pkgs }} -- $TARGETS'
     - name: Prepare logs artifact
       shell: bash
@@ -180,7 +180,7 @@ jobs:
     - name: tox
       run: |
         C:\\tools\\cygwin\\bin\\bash -l -x -c 'cat /proc/cpuinfo'
-        C:\\tools\\cygwin\\bin\\bash -l -x -c 'python3.8 -m pip install tox'
+        C:\\tools\\cygwin\\bin\\bash -l -x -c 'python3.9 -m pip install tox'
         C:\\tools\\cygwin\\bin\\bash -l -x -c 'cd $(cygpath -u "$GITHUB_WORKSPACE") && PREFIX="${{ env.SAGE_LOCAL }}" tox -e local-cygwin-choco-${{ matrix.pkgs }} -- $TARGETS'
     - name: Prepare logs artifact
       shell: bash
@@ -250,7 +250,7 @@ jobs:
     - name: tox
       run: |
         C:\\tools\\cygwin\\bin\\bash -l -x -c 'cat /proc/cpuinfo'
-        C:\\tools\\cygwin\\bin\\bash -l -x -c 'python3.8 -m pip install tox'
+        C:\\tools\\cygwin\\bin\\bash -l -x -c 'python3.9 -m pip install tox'
         C:\\tools\\cygwin\\bin\\bash -l -x -c 'cd $(cygpath -u "$GITHUB_WORKSPACE") && PREFIX="${{ env.SAGE_LOCAL }}" tox -e local-cygwin-choco-${{ matrix.pkgs }} -- $TARGETS'
     - name: Prepare logs artifact
       shell: bash
@@ -318,7 +318,7 @@ jobs:
     - name: tox
       run: |
         C:\\tools\\cygwin\\bin\\bash -l -x -c 'cat /proc/cpuinfo'
-        C:\\tools\\cygwin\\bin\\bash -l -x -c 'python3.8 -m pip install tox'
+        C:\\tools\\cygwin\\bin\\bash -l -x -c 'python3.9 -m pip install tox'
         C:\\tools\\cygwin\\bin\\bash -l -x -c 'cd $(cygpath -u "$GITHUB_WORKSPACE") && PREFIX="${{ env.SAGE_LOCAL }}" tox -e local-cygwin-choco-${{ matrix.pkgs }} -- $TARGETS'
     - name: Prepare logs artifact
       shell: bash
@@ -386,7 +386,7 @@ jobs:
     - name: tox
       run: |
         C:\\tools\\cygwin\\bin\\bash -l -x -c 'cat /proc/cpuinfo'
-        C:\\tools\\cygwin\\bin\\bash -l -x -c 'python3.8 -m pip install tox'
+        C:\\tools\\cygwin\\bin\\bash -l -x -c 'python3.9 -m pip install tox'
         C:\\tools\\cygwin\\bin\\bash -l -x -c 'cd $(cygpath -u "$GITHUB_WORKSPACE") && PREFIX="${{ env.SAGE_LOCAL }}" tox -e local-cygwin-choco-${{ matrix.pkgs }} -- $TARGETS'
     - name: Prepare logs artifact
       shell: bash
@@ -454,7 +454,7 @@ jobs:
     - name: tox
       run: |
         C:\\tools\\cygwin\\bin\\bash -l -x -c 'cat /proc/cpuinfo'
-        C:\\tools\\cygwin\\bin\\bash -l -x -c 'python3.8 -m pip install tox'
+        C:\\tools\\cygwin\\bin\\bash -l -x -c 'python3.9 -m pip install tox'
         C:\\tools\\cygwin\\bin\\bash -l -x -c 'cd $(cygpath -u "$GITHUB_WORKSPACE") && PREFIX="${{ env.SAGE_LOCAL }}" tox -e local-cygwin-choco-${{ matrix.pkgs }} -- $TARGETS'
     - name: Prepare logs artifact
       shell: bash
@@ -526,7 +526,7 @@ jobs:
     - name: tox
       run: |
         C:\\tools\\cygwin\\bin\\bash -l -x -c 'cat /proc/cpuinfo'
-        C:\\tools\\cygwin\\bin\\bash -l -x -c 'python3.8 -m pip install tox'
+        C:\\tools\\cygwin\\bin\\bash -l -x -c 'python3.9 -m pip install tox'
         C:\\tools\\cygwin\\bin\\bash -l -x -c 'cd $(cygpath -u "$GITHUB_WORKSPACE") && PREFIX="${{ env.SAGE_LOCAL }}" tox -e local-cygwin-choco-${{ matrix.pkgs }} -- $TARGETS'
     - name: Prepare logs artifact
       shell: bash
@@ -598,7 +598,7 @@ jobs:
     - name: tox
       run: |
         C:\\tools\\cygwin\\bin\\bash -l -x -c 'cat /proc/cpuinfo'
-        C:\\tools\\cygwin\\bin\\bash -l -x -c 'python3.8 -m pip install tox'
+        C:\\tools\\cygwin\\bin\\bash -l -x -c 'python3.9 -m pip install tox'
         C:\\tools\\cygwin\\bin\\bash -l -x -c 'cd $(cygpath -u "$GITHUB_WORKSPACE") && PREFIX="${{ env.SAGE_LOCAL }}" tox -e local-cygwin-choco-${{ matrix.pkgs }} -- $TARGETS'
     - name: Prepare logs artifact
       shell: bash
@@ -670,7 +670,7 @@ jobs:
     - name: tox
       run: |
         C:\\tools\\cygwin\\bin\\bash -l -x -c 'cat /proc/cpuinfo'
-        C:\\tools\\cygwin\\bin\\bash -l -x -c 'python3.8 -m pip install tox'
+        C:\\tools\\cygwin\\bin\\bash -l -x -c 'python3.9 -m pip install tox'
         C:\\tools\\cygwin\\bin\\bash -l -x -c 'cd $(cygpath -u "$GITHUB_WORKSPACE") && PREFIX="${{ env.SAGE_LOCAL }}" tox -e local-cygwin-choco-${{ matrix.pkgs }} -- $TARGETS'
     - name: Prepare logs artifact
       shell: bash
@@ -740,7 +740,7 @@ jobs:
     - name: tox
       run: |
         C:\\tools\\cygwin\\bin\\bash -l -x -c 'cat /proc/cpuinfo'
-        C:\\tools\\cygwin\\bin\\bash -l -x -c 'python3.8 -m pip install tox'
+        C:\\tools\\cygwin\\bin\\bash -l -x -c 'python3.9 -m pip install tox'
         C:\\tools\\cygwin\\bin\\bash -l -x -c 'cd $(cygpath -u "$GITHUB_WORKSPACE") && PREFIX="${{ env.SAGE_LOCAL }}" tox -e local-cygwin-choco-${{ matrix.pkgs }} -- $TARGETS'
     - name: Prepare logs artifact
       shell: bash
@@ -808,7 +808,7 @@ jobs:
     - name: tox
       run: |
         C:\\tools\\cygwin\\bin\\bash -l -x -c 'cat /proc/cpuinfo'
-        C:\\tools\\cygwin\\bin\\bash -l -x -c 'python3.8 -m pip install tox'
+        C:\\tools\\cygwin\\bin\\bash -l -x -c 'python3.9 -m pip install tox'
         C:\\tools\\cygwin\\bin\\bash -l -x -c 'cd $(cygpath -u "$GITHUB_WORKSPACE") && PREFIX="${{ env.SAGE_LOCAL }}" tox -e local-cygwin-choco-${{ matrix.pkgs }} -- $TARGETS'
     - name: Prepare logs artifact
       shell: bash
@@ -876,7 +876,7 @@ jobs:
     - name: tox
       run: |
         C:\\tools\\cygwin\\bin\\bash -l -x -c 'cat /proc/cpuinfo'
-        C:\\tools\\cygwin\\bin\\bash -l -x -c 'python3.8 -m pip install tox'
+        C:\\tools\\cygwin\\bin\\bash -l -x -c 'python3.9 -m pip install tox'
         C:\\tools\\cygwin\\bin\\bash -l -x -c 'cd $(cygpath -u "$GITHUB_WORKSPACE") && PREFIX="${{ env.SAGE_LOCAL }}" tox -e local-cygwin-choco-${{ matrix.pkgs }} -- $TARGETS'
     - name: Prepare logs artifact
       shell: bash
@@ -944,7 +944,7 @@ jobs:
     - name: tox
       run: |
         C:\\tools\\cygwin\\bin\\bash -l -x -c 'cat /proc/cpuinfo'
-        C:\\tools\\cygwin\\bin\\bash -l -x -c 'python3.8 -m pip install tox'
+        C:\\tools\\cygwin\\bin\\bash -l -x -c 'python3.9 -m pip install tox'
         C:\\tools\\cygwin\\bin\\bash -l -x -c 'cd $(cygpath -u "$GITHUB_WORKSPACE") && PREFIX="${{ env.SAGE_LOCAL }}" tox -e local-cygwin-choco-${{ matrix.pkgs }} -- $TARGETS'
     - name: Prepare logs artifact
       shell: bash
@@ -1012,7 +1012,7 @@ jobs:
     - name: tox
       run: |
         C:\\tools\\cygwin\\bin\\bash -l -x -c 'cat /proc/cpuinfo'
-        C:\\tools\\cygwin\\bin\\bash -l -x -c 'python3.8 -m pip install tox'
+        C:\\tools\\cygwin\\bin\\bash -l -x -c 'python3.9 -m pip install tox'
         C:\\tools\\cygwin\\bin\\bash -l -x -c 'cd $(cygpath -u "$GITHUB_WORKSPACE") && PREFIX="${{ env.SAGE_LOCAL }}" tox -e local-cygwin-choco-${{ matrix.pkgs }} -- $TARGETS'
     - name: Prepare logs artifact
       shell: bash

.github/workflows/doc-build.yml

@@ -24,6 +24,7 @@ jobs:
           # Reuse built SAGE_LOCAL contained in the Docker image 
           ./bootstrap
           ./configure --enable-build-as-root --prefix=/sage/local --with-sage-venv --enable-download-from-upstream-url
+          make furo
 
       - name: Build
         run: make doc-html

.github/workflows/tox-experimental.yml

@@ -38,10 +38,7 @@ jobs:
       fail-fast: false
       max-parallel: 6
       matrix:
-        # This list is different from the one in tox.yml:
-        # Trac #31526 switches gcc 4.x-based distributions to using the gcc_spkg configuration factor
-        # Trac #32281 removes gcc 4.x-based distributions whose binutils are unusable
-        tox_system_factor: [ubuntu-xenial, ubuntu-bionic, ubuntu-focal, ubuntu-hirsute, ubuntu-impish, ubuntu-jammy, debian-stretch, debian-buster, debian-bullseye, debian-bookworm, debian-sid, linuxmint-18, linuxmint-19, linuxmint-19.3, linuxmint-20.1, linuxmint-20.2. linuxmint-20.3, fedora-26, fedora-27, fedora-28, fedora-29, fedora-30, fedora-31, fedora-32, fedora-33, fedora-34, fedora-35, fedora-36,  centos-7-gcc_spkg, centos-stream-8, gentoo-python3.9, gentoo-python3.10, archlinux-latest, opensuse-15.3, opensuse-tumbleweed, slackware-14.2, conda-forge, ubuntu-bionic-i386, manylinux-2_24-i686, debian-buster-i386, centos-7-i386-gcc_spkg]
+        tox_system_factor: [gitpod, ubuntu-trusty-toolchain-gcc_9, ubuntu-xenial-toolchain-gcc_9, ubuntu-bionic, ubuntu-focal, ubuntu-hirsute, ubuntu-impish, ubuntu-jammy, ubuntu-kinetic, debian-stretch, debian-buster, debian-bullseye, debian-bookworm, debian-sid, linuxmint-19, linuxmint-19.3, linuxmint-20.1, linuxmint-20.2, linuxmint-20.3, linuxmint-21, fedora-26, fedora-27, fedora-28, fedora-29, fedora-30, fedora-31, fedora-32, fedora-33, fedora-34, fedora-35, fedora-36, fedora-37, centos-7-devtoolset-gcc_11, centos-stream-8, gentoo-python3.9, gentoo-python3.10, archlinux-latest, opensuse-15.3, opensuse-tumbleweed, conda-forge, ubuntu-bionic-i386, manylinux-2_24-i686, debian-buster-i386, centos-7-i386-devtoolset-gcc_11]
         tox_packages_factor: [maximal]
         targets_pattern: [0-g, h-o, p, q-z]
     env: