Steps to do on releasing

Run git flow release start <version>
change version number in App/perlbrew.pm
update "Changes" file
review document in bin/perlbrew for obvious misdescriptions
Run ./dev-bin/build.sh to build new standalone perlbrew executable
Run shipit -n to make sure no test failures
Fix test failures if any
Run git flow release finish <version>
Run git checkout master
Run git push; git push --tags
Run shipit
Update webpages of release note etc