Before release:

• Check it compiles on:
  • Linux with and without autoconf: ncurses, x11, gtk, sdl
  • OpenBSD + FreeBSD (nudge Edd to build the OpenBSD package)
  • Windows: native, sdl, console
  • Mac OS X
• Update docs:
  • changes.txt (separate gameplay changes from bugfixes and code refactoring)
  • thanks.txt
  • consider a new xyz.txt to highlight major changes this version
  • check that all docs in lib/help are up-to-date with gameplay changes
  • check copyrights and licences are correct and up-to-date
  • don't forget the top-level readme.txt!
• Check all version strings
  • src/defines.h
  • lib/file/news.txt
  • configure.ac
  • src/Makefile.src
• git checkout master; git tag -a version; git push --tags
• Release:
  • Windows native (+ console?)
  • OS X
  • RISC OS
  • Debian (Magnate to build, test and push to git.debian.org)
• Announce on rgra, forum
  • ​http://en.wikipedia.org/wiki/Angband_(video_game)
  • ​http://www.freshmeat.net/
  • ​http://www.shacknews.com and its chat thread
  • ​http://arstechnica.com and its gaming forum
  • ​http://www.macupdate.com/info.php/id/15184/angband
  • ​http://digg.com
  • ​http://reddit.com
  • ​http://slashdot.org
  • ​http://kottke.org
  • ​http://xkcd.com and its forums
  • ​http://www.happypenguin.org