diff --git a/.appveyor.yml b/.appveyor.yml
deleted file mode 100644
index 2551a9d9..00000000
--- a/.appveyor.yml
+++ /dev/null
@@ -1,26 +0,0 @@
-environment:
-  global:
-    TOXENV: py,codecov
-
-  matrix:
-    - PYTHON: C:\Python37-x64
-    - PYTHON: C:\Python27-x64
-
-init:
-  - SET PATH=%PYTHON%;%PATH%
-
-install:
-  - python -m pip install -U tox
-
-build: false
-
-test_script:
-  - python -m tox
-
-branches:
-  only:
-    - master
-    - /^.*-maintenance$/
-
-cache:
-  - '%LOCALAPPDATA%\pip\Cache'
diff --git a/.azure-pipelines.yml b/.azure-pipelines.yml
new file mode 100644
index 00000000..9f7dcc20
--- /dev/null
+++ b/.azure-pipelines.yml
@@ -0,0 +1,85 @@
+trigger:
+  - 'master'
+  - '*.x'
+
+jobs:
+  - job: Flask
+    variables:
+      vmImage: ubuntu-latest
+      python.version: '3.7'
+      python.architecture: 'x64'
+      TOXENV: 'py,coverage-ci'
+      publish.test.results: 'true'
+      CODECOV_TOKEN: '$(codecov.token)'
+
+    strategy:
+      matrix:
+        Python37Linux:
+          python.version: '3.7'
+        Python37Windows:
+          python.version: '3.7'
+          vmImage: 'windows-latest'
+        Python37Mac:
+          python.version: '3.7'
+          vmImage: 'macos-latest'
+        Pypy3Linux:
+          python.version: 'pypy3'
+        Python36Linux:
+          python.version: '3.6'
+        Python35Linux:
+          python.version: '3.5'
+        Python27Linux:
+          python.version: '2.7'
+        Python27Windows:
+          python.version: '2.7'
+          vmImage: 'windows-latest'
+        DocsHtml:
+          TOXENV: 'docs-html'
+          publish.test.results: 'false'
+        VersionRange:
+          TOXENV: 'devel,lowest,coverage-ci'
+
+    pool:
+      vmImage: $[ variables.vmImage ]
+
+    steps:
+      - task: UsePythonVersion@0
+        inputs:
+          versionSpec: $(python.version)
+          architecture: $(python.architecture)
+        displayName: Use Python $(python.version)
+
+      - script: pip --disable-pip-version-check install -U tox
+        displayName: Install tox
+
+      - script: tox -- --junitxml=test-results.xml tests examples
+        displayName: Run tox
+
+      - task: PublishTestResults@2
+        inputs:
+          testResultsFiles: test-results.xml
+          testRunTitle: $(Agent.JobName)
+        condition: eq(variables['publish.test.results'], 'true')
+        displayName: Publish test results
+
+      - task: PublishCodeCoverageResults@1
+        inputs:
+          codeCoverageTool: Cobertura
+          summaryFileLocation: coverage.xml
+        condition: eq(variables['publish.test.results'], 'true')
+        displayName: Publish coverage results
+
+  # Test on the nightly version of Python.
+  # Use a container since Azure Pipelines may not have the latest build.
+  - job: FlaskOnNightly
+    pool:
+      vmImage: ubuntu-latest
+    container: python:rc-stretch
+    steps:
+      - script: |
+          echo "##vso[task.prependPath]$HOME/.local/bin"
+          pip --disable-pip-version-check install --user -U tox
+        displayName: Install tox
+
+      - script: tox -e nightly
+        displayName: Run tox
diff --git a/.travis.yml b/.travis.yml
deleted file mode 100644
index 097c9af6..00000000
--- a/.travis.yml
+++ /dev/null
@@ -1,57 +0,0 @@
-os: linux
-dist: xenial
-language: python
-python:
-  - "3.7"
-  - "3.6"
-  - "3.5"
-  - "3.4"
-  - "2.7"
-  - nightly
-  - pypy3.5-6.0
-env: TOXENV=py,codecov
-
-matrix:
-  include:
-    - env: TOXENV=docs-html
-    - env: TOXENV=devel,lowest,codecov
-# disabled because before_install is too slow
-#    - os: osx
-#      language: generic
-#      env: TOXENV=py3,codecov
-#      cache:
-#        directories:
-#          - $HOME/Library/Caches/Homebrew
-#          - $HOME/Library/Caches/pip
-  allow_failures:
-    - python: nightly
-    - python: pypy3.5-6.0
-    - os: osx
-  fast_finish: true
-
-before_install:
-  - |
-    if [[ $TRAVIS_OS_NAME == 'osx' ]]; then
-      brew upgrade python
-      export PATH="/usr/local/opt/python/libexec/bin:${PATH}"
-    fi
-
-install:
-  - pip install tox
-
-script:
-  - tox
-
-cache:
-  directories:
-    - $HOME/.cache/pip
-    - $HOME/.cache/pre-commit
-
-branches:
-  only:
-    - master
-    - /^\d+(\.\d+)*-maintenance$/
-    - /^\d+(\.\d+)*(\.x)?$/
-
-notifications:
-  email: false
diff --git a/CONTRIBUTING.rst b/CONTRIBUTING.rst
index 2f752e66..7e7d4382 100644
--- a/CONTRIBUTING.rst
+++ b/CONTRIBUTING.rst
@@ -10,8 +10,10 @@ Please, don't use the issue tracker for this. Use one of the following
 resources for questions about your own code:
 
 * The ``#get-help`` channel on our Discord chat: https://discord.gg/t6rrQZH
+
   * The IRC channel ``#pocoo`` on FreeNode is linked to Discord, but
     Discord is preferred.
+
 * The mailing list flask@python.org for long term discussion or larger issues.
 * Ask on `Stack Overflow`_. Search with Google first using:
   ``site:stackoverflow.com flask {search term, exception message, etc.}``
diff --git a/README.rst b/README.rst
index 0b4e628f..5aaf7767 100644
--- a/README.rst
+++ b/README.rst
@@ -63,11 +63,7 @@ Links
 * Releases: https://pypi.org/project/Flask/
 * Code: https://github.com/pallets/flask
 * Issue tracker: https://github.com/pallets/flask/issues
-* Test status:
-
-  * Linux, Mac: https://travis-ci.org/pallets/flask
-  * Windows: https://ci.appveyor.com/project/pallets/flask
-
+* Test status: https://dev.azure.com/pallets/pallets/_build?definitionId=2
 * Test coverage: https://codecov.io/gh/pallets/flask
 * Official chat: https://discord.gg/t6rrQZH
 
diff --git a/tox.ini b/tox.ini
index d37d2486..618a6ff7 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,16 +1,14 @@
 [tox]
 envlist =
-    py{37,36,35,34,27,py}
-    py{37,27,py}-simplejson
-    py{37,27,py}-devel
-    py{37,27,py}-lowest
+    py{37,36,35,27,py3,py}
+    py37-{simplejson,devel,lowest}
     docs-html
-    coverage-report
+    coverage
 
 [testenv]
 passenv = LANG
 deps =
-    pytest>=3
+    pytest
     coverage
     greenlet
     blinker
@@ -35,26 +33,42 @@ commands =
     pip install -q -e examples/javascript[test]
 
     # pytest-cov doesn't seem to play nice with -p
-    coverage run -p -m pytest tests examples
+    coverage run -p -m pytest --tb=short {posargs:tests examples}
+
+[testenv:nightly]
+# courtesy Python nightly test, don't fail the build in CI
+ignore_outcome = true
+commands =
+    pip install -q -e examples/tutorial[test]
+    pip install -q -e examples/javascript[test]
+    coverage run -p -m pytest --tb=short --junitxml=test-results.xml {posargs:tests examples}
+
+[testenv:stylecheck]
+deps = pre-commit
+skip_install = true
+commands = pre-commit run --all-files --show-diff-on-failure
 
 [testenv:docs-html]
 deps =
     -r docs/requirements.txt
 commands = sphinx-build -W -b html -d {envtmpdir}/doctrees docs {envtmpdir}/html
 
-[testenv:coverage-report]
+[testenv:coverage]
 deps = coverage
 skip_install = true
 commands =
     coverage combine
-    coverage report
     coverage html
+    coverage report
 
-[testenv:codecov]
-passenv = CI TRAVIS TRAVIS_* APPVEYOR APPVEYOR_*
-deps = codecov
+[testenv:coverage-ci]
+passenv = CODECOV_TOKEN
+deps =
+    coverage
+    codecov
 skip_install = true
 commands =
     coverage combine
-    coverage report
     codecov
+    coverage xml
+    coverage report