diff --git a/.github/workflows/cibuildwheel.yml b/.github/workflows/cibuildwheel.yml
index ac542bf2ab77..17f74ebdf4f9 100644
--- a/.github/workflows/cibuildwheel.yml
+++ b/.github/workflows/cibuildwheel.yml
@@ -7,6 +7,10 @@ on:
       - v[0-9]+.[0-9]+.x
     tags:
       - v*
+  schedule:
+    # every Sunday at midnight, builds master and uploads to 
+    # https://anaconda.org/scipy-wheels-nightly/
+    - cron: '0 0 * * 0'
 
 jobs:
   build_wheels:
@@ -15,6 +19,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-18.04, windows-latest, macos-latest]
+          
 
     steps:
       - uses: actions/checkout@v2
@@ -39,8 +44,8 @@ jobs:
           python -m cibuildwheel --output-dir dist
         env:
           CIBW_BUILD: "cp39-*"
-          CIBW_MANYLINUX_X86_64_IMAGE: manylinux1
-          CIBW_MANYLINUX_I686_IMAGE: manylinux1
+          CIBW_MANYLINUX_X86_64_IMAGE: manylinux2010
+          CIBW_MANYLINUX_I686_IMAGE: manylinux2010
           CIBW_BEFORE_BUILD: pip install certifi numpy==1.19.3
           MPL_DISABLE_FH4: "yes"
 
@@ -68,16 +73,14 @@ jobs:
           startsWith(github.ref, 'refs/heads/v3.3') ||
           startsWith(github.ref, 'refs/tags/v3.3')
 
-      - name: Build wheels for PyPy
+      - name: Build wheels for PyPy3.7
         run: |
           python -m cibuildwheel --output-dir dist
         env:
-          CIBW_BUILD: "pp3?-*"
+          CIBW_BUILD: "pp37-*"
           CIBW_BEFORE_BUILD: pip install certifi numpy==1.16
-        if: >
-          runner.os != 'Windows' && (
-          startsWith(github.ref, 'refs/heads/v3.3') ||
-          startsWith(github.ref, 'refs/tags/v3.3') )
+          CIBW_MANYLINUX_X86_64_IMAGE: manylinux2010
+          CIBW_MANYLINUX_I686_IMAGE: manylinux2010
 
       - name: Validate that LICENSE files are included in wheels
         run: |
@@ -87,3 +90,20 @@ jobs:
         with:
           name: wheels
           path: ./dist/*.whl
+
+      - name: Set token
+        if: github.event_name == "schedule"
+        run: |
+          echo "TOKEN=${{ secrets.SCIPY_WHEELS_NIGHTLY_ACCESS }}" >> $GITHUB_ENV;
+          echo "ANACONDA_ORG=https://anaconda.org/scipy-wheels-nightly" >> $GITHUB_ENV;
+   
+      - name: Upload weekly wheels
+        if: env.TOKEN
+        run: |
+          set -ex
+          pip install git+https://github.com/Anaconda-Server/anaconda-client;
+          # The first -t option refers to the token, the second is the "type"
+          # option to the "upload" command
+          anaconda -t  ${TOKEN} upload \
+          --no-progress --force -u $ANACONDA_ORG \
+          ./dist/*.whl;
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 1b218041e33b..9de45ec24ab0 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -18,6 +18,7 @@ jobs:
     runs-on: ${{ matrix.os }}
 
     strategy:
+      fail-fast: false
       matrix:
         include:
           - name-suffix: "(Minimum Versions)"
@@ -30,6 +31,10 @@ jobs:
             python-version: 3.7
             extra-requirements: '-r requirements/testing/travis_extra.txt'
             XVFB_RUN: xvfb-run -a
+          # - os: ubuntu-18.04
+          #  python-version: pypy-3.7
+          #  extra-requirements: '-r requirements/testing/travis_extra.txt'
+          #  XVFB_RUN: xvfb-run -a
           - os: ubuntu-16.04
             python-version: 3.8
             extra-requirements: '-r requirements/testing/travis_extra.txt'
@@ -76,6 +81,8 @@ jobs:
               libxcb-randr0 \
               libxcb-render-util0 \
               libxcb-xinerama0 \
+              libxml2-dev \
+              libxslt1-dev \
               lmodern \
               fonts-freefont-otf \
               texlive-pictures \
diff --git a/requirements/testing/travis_extra.txt b/requirements/testing/travis_extra.txt
index 0b18fc58394a..318dd5f810d1 100644
--- a/requirements/testing/travis_extra.txt
+++ b/requirements/testing/travis_extra.txt
@@ -4,5 +4,5 @@ ipykernel
 nbconvert[execute]!=6.0.0,!=6.0.1
 nbformat!=5.0.0,!=5.0.1
 pandas!=0.25.0
-pikepdf
+pikepdf; platform_python_implementation != 'PyPy'
 pytz
diff --git a/src/_path.h b/src/_path.h
index 784a6457807c..c7f1efd3e386 100644
--- a/src/_path.h
+++ b/src/_path.h
@@ -1085,6 +1085,11 @@ void quad2cubic(double x0, double y0,
     outy[2] = y2;
 }
 
+/* PyPy before v7.3.3 does not have Py_DTSF_ADD_DOT_0 */
+#ifndef Py_DTSF_ADD_DOT_0
+#define Py_DTSF_ADD_DOT_0 0x02
+#endif
+
 
 void __add_number(double val, char format_code, int precision,
                   std::string& buffer)

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