- Verify that copyright notices in source files are up-to-date.
- Update COPYRIGHT_YEARS using contrib/release/gen-copyright-years.sh.
  Commit modifications if there are any.
- Run contrib/release/do-release.sh.
  Use:
  - --minor to do a minor update: $maj.$min -> $maj.$(($min + 1))
  - --major to do a major update: $maj.$min -> $(($maj + 1)).0
  This:
  - adds a commit that updates the VERSION file,
  - creates a signed annotated release tag for that commit, and
  - pushes both the commit and the tag to the remote repository.
- Run contrib/release/upload-release.sh.
  This creates and uploads two release tarballs.
- Write draft release announcement.
  F.i. using template of
  https://sourceware.org/ml/gdb-announce/2019/msg00001.html.
- Sent out draft release announcement to maintainers for review and
  further contributions.
- Sent out release announcement.  Sent to:
  - Maintainers
  - dwz@sourceware.org
  - dwarf-discuss@lists.dwarfstd.org
  - gcc@gcc.gnu.org
  - gdb@sourceware.org
- Update web page ( https://sourceware.org/dwz/ ):
  - Add news item with hlink to release annoucement.
  - Add entry in release list.
