matplotlib
diff --git a/‎.github/workflows/tests-future-deps.yml‎
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+name: Test upcoming dependencies
+
+on:
+  schedule:
+    - cron: "47 3 * * 6"
+
+env:
+  NO_AT_BRIDGE: 1  # Necessary for GTK3 interactive test.
+  OPENBLAS_NUM_THREADS: 1
+  PYTHONFAULTHANDLER: 1
+
+jobs:
+  test:
+    name: "Python ${{ matrix.python-version }}"
+    runs-on: ubuntu-latest
+    permissions:
+      issues: write
+    if: github.repository == 'matplotlib/matplotlib'
+
+    strategy:
+      fail-fast: false
+      matrix:
+        python-version: ["3.9", "3.10"]
+
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v2
+        with:
+          python-version: ${{ matrix.python-version }}
+
+      - name: Install OS dependencies
+        run: |
+          sudo apt-get update -yy
+          sudo apt-get install -yy \
+            ccache \
+            cm-super \
+            dvipng \
+            ffmpeg \
+            fonts-noto-cjk \
+            gdb \
+            gir1.2-gtk-3.0 \
+            graphviz \
+            inkscape \
+            lcov \
+            libcairo2 \
+            libcairo2-dev \
+            libffi-dev \
+            libgeos-dev \
+            libgirepository1.0-dev \
+            libopengl0 \
+            libsdl2-2.0-0 \
+            libxkbcommon-x11-0 \
+            libxcb-icccm4 \
+            libxcb-image0 \
+            libxcb-keysyms1 \
+            libxcb-randr0 \
+            libxcb-render-util0 \
+            libxcb-xinerama0 \
+            lmodern \
+            fonts-freefont-otf \
+            texlive-pictures \
+            pkg-config \
+            qtbase5-dev \
+            texlive-fonts-recommended \
+            texlive-latex-base \
+            texlive-latex-extra \
+            texlive-latex-recommended \
+            texlive-luatex \
+            texlive-xetex \
+            ttf-wqy-zenhei
+
+      - name: Install Python dependencies
+        run: |
+          # Upgrade pip and setuptools and wheel to get as clean an install as
+          # possible.
+          python -m pip install --upgrade pip setuptools wheel
+
+          # First install the nightly wheels that we want to test against
+          python -m pip install -i https://pypi.anaconda.org/scipy-wheels-nightly/simple numpy
+
+          # Install dependencies from PyPI.
+          python -m pip install --upgrade $PRE \
+            cycler fonttools kiwisolver packaging pillow pyparsing \
+            python-dateutil setuptools-scm \
+            -r requirements/testing/all.txt \
+            -r requirements/testing/extra.txt
+
+          # Install optional dependencies from PyPI.
+          # Sphinx is needed to run sphinxext tests
+          python -m pip install --upgrade sphinx
+
+          # GUI toolkits are pip-installable only for some versions of Python
+          # so don't fail if we can't install them.  Make it easier to check
+          # whether the install was successful by trying to import the toolkit
+          # (sometimes, the install appears to be successful but shared
+          # libraries cannot be loaded at runtime, so an actual import is a
+          # better check).
+          # PyGObject, pycairo, and cariocffi do not install on OSX 10.12.
+           python -m pip install --upgrade pycairo 'cairocffi>=0.8' PyGObject &&
+             python -c 'import gi; gi.require_version("Gtk", "3.0"); from gi.repository import Gtk' &&
+             echo 'PyGObject is available' ||
+             echo 'PyGObject is not available'
+
+          # There are no functioning wheels available for OSX 10.12 (as of
+          # Sept 2020) for either pyqt5 (there are only wheels for 10.13+) or
+          # pyside2 (the latest version (5.13.2) with 10.12 wheels has a
+          # fatal to us bug, it was fixed in 5.14.0 which has 10.13 wheels)
+          python -mpip install --upgrade pyqt5 &&
+            python -c 'import PyQt5.QtCore' &&
+            echo 'PyQt5 is available' ||
+            echo 'PyQt5 is not available'
+          python -mpip install --upgrade pyqt6 &&
+            python -c 'import PyQt6.QtCore' &&
+            echo 'PyQt6 is available' ||
+            echo 'PyQt6 is not available'
+          python -mpip install --upgrade pyside6 &&
+            python -c 'import PySide6.QtCore' &&
+            echo 'PySide6 is available' ||
+            echo 'PySide6 is not available'
+
+          python -mpip install --upgrade \
+            -f "https://extras.wxpython.org/wxPython4/extras/linux/gtk3/ubuntu-20.04" \
+            wxPython &&
+            python -c 'import wx' &&
+            echo 'wxPython is available' ||
+            echo 'wxPython is not available'
+
+      - name: Install Matplotlib
+        run: |
+          git describe
+
+          # All dependencies must have been pre-installed, so that the minver
+          # constraints are held.
+          python -m pip install --no-deps -e .
+
+      - name: Run pytest
+        run: |
+          xvfb-run -a python -mpytest -raR -n auto \
+            --maxfail=50 --timeout=300 --durations=25 --log-level=DEBUG \
+            -W error::UserWarning
+
+      - uses: actions/upload-artifact@v2
+        if: failure()
+        with:
+          name: "${{ matrix.python-version }} ${{ matrix.os }} ${{ matrix.name-suffix }} result images"
+          path: ./result_images
+
+      - name: Create issue on failure
+        uses: imjohnbo/issue-bot@v3
+        if: failure()
+        with:
+          title: "[TST] Upcoming dependency test failures"
+          body: |
+            The weekly build with nightly wheels from numpy and pandas
+            has failed. Check the logs for any updates that need to be
+            made in matplotlib.
+
+          pinned: false
+          close-previous: false
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}