_ Test, on Linux, Windows, macOS (inc. website demos)

_ Finalize changelog
  git log --pretty='format:%n%n* %s (%an)%n%b%n%h%n' --reverse --name-only 1.17.0.3..HEAD > LOG

_ make man/pandoc.1 and commit if needed

_ Tag release in git

_ make pandoc-templates
  cd ../pandoc-templates
  git tag REL
  git push
  git push --tags

_ Generate Windows package (make winpkg)

_ Generate macOS package (make macospkg)

_ Generate Ubuntu/Debian deb package (make debpkg)

- Add release on github (use 'make changes_github' and upload files)

_ Upload to HackageDB: stack upload .

_ if docs don't build on Hackage:
  'cabal install neil && neil docs --username=MYUSERNAME'

_ go to website and 'make update && make && make upload'

_ make trypandoc

_ Announce on pandoc-announce, pandoc-discuss